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When system under heavy stress and must allocate new work
instead of reusing old one, new work must use correct
completion callback.
Patch is based on Philipp's and Lars' work.
I only cleaned small stuff (and removed spaces instead of tabs).
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[DCCP]: Set RTO for newly created child socket
[DCCP]: Correctly split CCID half connections
[NET]: Fix compat_sock_common_getsockopt typo.
[NET]: Revert incorrect accept queue backlog changes.
[INET]: twcal_jiffie should be unsigned long, not int
[GIANFAR]: Fix compile error in latest git
[PPPOE]: Use ifindex instead of device pointer in key lookups.
[NETFILTER]: ip6_route_me_harder should take into account mark
[NETFILTER]: nfnetlink_log: fix reference counting
[NETFILTER]: nfnetlink_log: fix module reference counting
[NETFILTER]: nfnetlink_log: fix possible NULL pointer dereference
[NETFILTER]: nfnetlink_log: fix NULL pointer dereference
[NETFILTER]: nfnetlink_log: fix use after free
[NETFILTER]: nfnetlink_log: fix reference leak
[NETFILTER]: tcp conntrack: accept SYN|URG as valid
[NETFILTER]: nf_conntrack/nf_nat: fix incorrect config ifdefs
[NETFILTER]: conntrack: fix {nf,ip}_ct_iterate_cleanup endless loops
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I recognized a compile error in latest git:
/here/workdir/git/drivers/net/gianfar.c: In function `gfar_vlan_rx_kill_vid':
/here/workdir/git/drivers/net/gianfar.c:1135: error: structure has no member named `vgrp'
This error was introduced in commit:
commit 6d04e3b04b6ab569cabeb5ca28ad1be11777e895
...
[VLAN]: Avoid a 4-order allocation.
Signed-off-by: Jan Altenberg <jan@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Otherwise we can potentially try to dereference a NULL device
pointer in some cases.
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] cio: Call cancel_halt_clear even when actl == 0.
[S390] cio: Use path verification to check for path state.
[S390] cio: Fix locking when calling notify function.
[S390] Fixed handling of access register mode faults.
[S390] dasd: Use default recovery for SNSS requests
[S390] check_bugs() should be inline.
[S390] tape: Compression overwrites crypto setting
[S390] nss: disable kexec.
[S390] reipl: move dump_prefix_page out of text section.
[S390] smp: disable preemption in smp_call_function/smp_call_function_on
[S390] kprobes breaks BUG_ON
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The subchannel may just be status pending, even with actl == 0. We
must go through the cancel_halt_clear procedure to put the subchannel
into a defined state.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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After I/O has been killed by the common I/O layer, trigger path
verification which will queue cio_device_nopath_notify itself if it
finds a device to be without paths.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Make sure we hold the device lock when we modify the ccw device
structure but always call the notify function without the lock held.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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For extended error reporting we sometimes have to start an
Sense Subsystem Status request (SNSS). When this request needs
to be recovered for some reason, the recovery request will
fail with 'command reject'.
Our usual recovery procedure will retry the failed request by
creating a new request and chaining the failed request from that
one. SNSS requests, though, must not be chained from anything,
so the recovery request will fail permanently.
Use the default recovery for SNSS request, which will just restart
the original request without further ado.
Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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After switching compression on/off with the mt command, tape encryption is no
longer working. The reason for that is, that the modeset_byte is set to
the compression value instead of using bitwise and/or bit operations to
enable/disable the corresponding bit.
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_pdc202xx_old: fix data corruption and other problems
pata_legacy: fix io/irq mismatch
ahci: RAID mode SATA patch for Intel ICH9M
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Fix wrong "port" calculations in pdc202xx_{configure_piomode,set_dmamode}()
They were broken for all configurations except one (master device on primary
channel, no other devices) and as a result device settings + PIO/DMA timings
were being programmed into the wrong PCI registers. This could result in
a large variety of problems including data corruption, hangs etc. (depending
on devices used and your luck :-).
ap->port_no ap->devno used PCI registers correct PCI registers
0 0 0x60-0x62 0x60-0x62
0 1 0x62-0x64 0x64-0x66
1 0 0x64-0x66 0x68-0x6a
1 1 0x66-0x68 0x6c-0x6e
Also forward port recent fixes from drivers/ide pdc202xx_old driver:
* fix XFER_MW_DMA0 timings (they were overclocked, use the official ones)
* fix bitmasks for clearing bits of register B:
- when programming DMA mode bit 0x10 of register B was cleared which
resulted in overclocked PIO timing setting (iff PIO0 was used)
- when programming PIO mode bits 0x18 weren't cleared so suboptimal
timings were used for PIO1-4 if PIO0 was previously set (bit 0x10)
and for PIO0/3/4 if PIO1/2 was previously set (bit 0x08)
and finally bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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pata_legacy fails to detect the disk on my old ISA/VLB 486:
it starts to probe io=0x1f0 ctr=0x3f6 irq=15, complains
loudly about IDENTIFYs timing out, and finally fails.
(Sorry I couldn't capture the kernel's boot messages.)
It turns out that the driver's mapping from io to irq in
legacy_irq[] is wrong: index 0 for io=0x1f0 has irq=15 but
should have irq=14, and index 1 for io=0x170 has irq=14 but
should have irq=15. This is confirmed by a comparison with
include/asm-i386/ide.h:ide_default_irq().
This patch swaps the first two elements in legacy_irq[],
which makes pata_legacy work on my 486.
Signed-off-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch adds the Intel ICH9M RAID controller DID for SATA support.
Signed-off-by: Jason Gaston <jason.d.gaston@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix work queue code to support new model.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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For the Freescale M5282 ColdFire,
Port UA Pin Assignment Register should set to UART mode.
Patch submitted by David Wu <davidwu@arcturusnetworks.com>.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The tlclk driver is going on the MPCBL005 so I need to make the Kconfig
more more generic. Just some text changes.
Signed-off-by: Mark Gross <mark.gross@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Based on a patch from Don Howard <dhoward@redhat.com>
When calling write() with a buffer larger than 512 bytes, the
driver's write buffer overflows, allowing to overwrite the EIP and
execute arbitrary code with kernel privileges.
In read(), there exists a similar problem, but coming from the device.
A malicous or buggy device sending more than 512 bytes can overflow
of the driver's read buffer, with the same effects as above.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid:
HID blacklisting of all Code Mercenaries IOWarrior devices
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Put all Code Mercenaries (VID 0x07c0) IOWarriors (PIDs 0x1500 to 0x15ff) on
the HID blacklist. The range of PIDs has been reserved for IOWarriors. Only
5 PIDs are really used yet.
Signed-off-by: Robert Marquardt <marquardt@codemercs.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc:
sdhci: release irq during suspend
sdhci: make isr tolerant of read errors
mmc: require explicit support for high-speed
ncpfs: make sure server connection survives a kill
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Release the device's irq during sleep, as all well-behaved drivers
should.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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The interrupt is shared with another device, which resumes earlier than the
sdhci controller, and generates an interrupt.
The sdhci interrupt handler runs, sees 0xffffffff in its own device's
interrupt status, and tries to handle it.. The reason for the 0xffffffff
is that the device is still suspended, and *all* regs are reading back
0xffffffff.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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The new high-speed timings are similar to each other and the old
system, but not identical. And although things "just work" most of
the time, sometimes it does not. So we need to start marking which
hosts are known to fully comply with the new timings.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
sis900 warning fixes
mv643xx_eth: Place explicit port number in mv643xx_eth_platform_data
pcnet32: Fix PCnet32 performance bug on non-coherent architecutres
__devinit & __devexit cleanups for de2104x driver
3c59x: Handle pci_enable_device() failure while resuming
dmfe: Fix link detection
dmfe: fix two bugs
dmfe: trivial/spelling fixes
revert "drivers/net/tulip/dmfe: support basic carrier detection"
ucc_geth: returns NETDEV_TX_BUSY when BD ring is full
ucc_geth: Fix BD processing
natsemi: netpoll fixes
bonding: Improve IGMP join processing
bonding: only receive ARPs for us
bonding: fix double dev_add_pack
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drivers/net/sis900.c: In function 'sis900_reset_phy':
drivers/net/sis900.c:972: warning: 'status' may be used uninitialized in this function
drivers/net/sis900.c: In function 'sis900_check_mode':
drivers/net/sis900.c:1431: warning: 'status' may be used uninitialized in this function
drivers/net/sis900.c: In function 'sis900_timer':
drivers/net/sis900.c:1467: warning: 'status' may be used uninitialized in this function
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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We were using the platform_device.id field to identify which ethernet
port is used for mv643xx_eth device. This is not generally correct.
It will be incorrect, for example, if a hardware platform uses a single
port but not the first port. Here, we add an explicit port_number field
to struct mv643xx_eth_platform_data.
This makes the mv643xx_eth_platform_data structure required, but that
isn't an issue since all users currently provide it already.
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The PCnet32 driver always passed the the size of the largest possible packet
to the pci_dma_sync_single_for_cpu and pci_dma_sync_single_for_device.
This results in a fairly large "colateral damage" in the caches and makes
the flush operation itself much slower. On a system with a 40MHz CPU this
patch increases network bandwidth by about 12%.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Don Fry <pcnet32@verizon.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fixes MODPOST warnings similar to:
WARNING: drivers/net/tulip/de2104x.o - Section mismatch: reference to
.init.text:de_init_one from .data.rel.local after 'de_driver' (at offset 0x20)
WARNING: drivers/net/tulip/de2104x.o - Section mismatch: reference to
.exit.text:de_remove_one from .data.rel.local after 'de_driver' (at offset 0x28)
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Valerie Henson <val_henson@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Handle pci_enable_device() failure while resuming, we can safely exit here.
Signed-off-by: Monakhov Dmitriy <dmonakhov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add link detection
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Valerie Henson <val_henson@linux.intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix a oops on module removal due to deallocating memory before unregistring
driver Fix a NULL pointer dereference when dev_alloc_skb fails
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Valerie Henson <val_henson@linux.intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix a typo, wrap lines on 80-th column, change KERN_ERR to KERN_INFO for
link status message
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Valerie Henson <val_henson@linux.intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Revert 7628b0a8c01a02966d2228bdf741ddedb128e8f8. Thomas Bachler
reports:
Commit 7628b0a8c01a02966d2228bdf741ddedb128e8f8 (drivers/net/tulip/dmfe:
support basic carrier detection) breaks networking on my Davicom DM9009.
ethtool always reports there is no link. tcpdump shows incoming packets,
but TX is disabled. Reverting the above patch fixes the problem.
Cc: Samuel Thibault <samuel.thibault@ens-lyon.org>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Valerie Henson <val_henson@linux.intel.com>
Cc: Thomas Bachler <thomas@archlinux.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Returns NETDEV_TX_BUSY when BD ring is full.
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix broken BD processing code.
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fix two issues in this driver's netpoll path: one usual, with spin_unlock_irq()
enabling interrupts which nobody asks it to do (that has been fixed recently in
a number of drivers) and one unusual, with poll_controller() method possibly
causing loss of interrupts due to the interrupt status register being cleared
by a simple read and the interrpupt handler simply storing it, not accumulating.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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In active-backup mode, the current bonding code duplicates IGMP
traffic to all slaves, so that switches are up to date in case of a
failover from an active to a backup interface. If bonding then fails
back to the original active interface, it is likely that the "active
slave" switch's IGMP forwarding for the port will be out of date until
some event occurs to refresh the switch (e.g., a membership query).
This patch alters the behavior of bonding to no longer flood
IGMP to all ports, and to issue IGMP JOINs to the newly active port at
the time of a failover. This insures that switches are kept up to date
for all cases.
"GOELLESCH Niels" <niels.goellesch@eurocontrol.int> originally
reported this problem, and included a patch. His original patch was
modified by Jay Vosburgh to additionally remove the existing IGMP flood
behavior, use RCU, streamline code paths, fix trailing white space, and
adjust for style.
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The ARP validation code only needs ARPs for the bonding device.
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Bonding can erroneously register the same packet_type to receive
ARPs (for use by ARP validation): once at device open time, and once via
sysfs. Since sysfs can change the validate setting (and thus register
or unregister) at any time, a flag is needed to synchronize with device
open in order to avoid double registrations, and the simplest place is
within the packet_type structure itself. Double unregister is not an
issue.
Bug reported by Ulrich Oelmann <ulrich.oelmann@web.de>.
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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initramfs ended up depending on BLOCK:
INITRAMFS_SOURCE <-- BLK_DEV_INITRD <-- BLOCK
This inhibits use of customized-initramfs-over-ramfs without block layer
(ramfs would still be enabled), useful in embedded applications.
Move BLK_DEV_INITRD out of 'drivers/block/Kconfig' and into 'init/Kconfig',
make it unconditional.
Signed-off-by: Dimitri Gorokhovik <dimitri.gorokhovik@free.fr>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch adds support for the struct pci_driver shutdown method to cciss.
We require notification of an impending reboot or shutdown so that we can
flush the battery backed write cache (BBWC) on the Smart Array controller.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch changes the way we determine if a logical volume is larger than
2TB.
The original test looked for a total_size of 0. Originally we added 1 to the
total_size. That would make our read_capacity return size 0 for >2TB lv's.
We assumed that we could not have a lv size of 0 so it seemed OK until we were
in a clustered system. The backup node would see a size of 0 due to the
reservation on the drive. That caused the driver to switch to 16-byte CDB's
which are not supported on older controllers. After that everything was
broken.
It may seem petty but I don't see the value in trying to determine if the LBA
is beyond the 2TB boundary. That's why when we switch we use 16-byte CDB's
for all read/write operations. Please consider this for inclusion.
Signed-off-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix the following error if FB_DDC=n
Kernel: arch/x86_64/boot/bzImage is ready (#1)
Building modules, stage 2.
MODPOST 229 modules
WARNING: "fb_ddc_read" [drivers/video/nvidia/nvidiafb.ko] undefined!
make[1]: *** [__modpost] Error 1
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix implicit declarations and missing code in atyfb.
drivers/video/aty/atyfb_base.c:2137: warning: implicit declaration of function 'a
ty_ld_lcd'
drivers/video/aty/atyfb_base.c:2154: warning: implicit declaration of function 'a
ty_st_lcd'
atyfb_base.c:(.text+0x33e5c): undefined reference to `aty_ld_lcd'
atyfb_base.c:(.text+0x33eb2): undefined reference to `aty_st_lcd'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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drivers/video/nvidia/nv_backlight.c: In function 'nvidia_bl_init':
drivers/video/nvidia/nv_backlight.c:103: error: implicit declaration of function 'pmac_has_backlight_type'
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight:
backlight: Allow enable/disable of fb backlights, fixing regressions
backlight: Fix nvidia backlight initial brightness
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Enabling the backlight by default appears to cause problems for many
users. This patch disables backlight controls unless explicitly
enabled by users via a module parameter. Since PMAC users are known
to work, default to enabled in that case.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
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Fix a mix up when the nvidia driver was converted resulting
in the backlight having an incorrect initial brightness.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
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