Merge branch 'master' into for-linus

48 files changed, 263 insertions, 359 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 6f1470baa314..ba068c833e5d 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -18,6 +18,7 @@ config 64BIT
 config SPARC
 	bool
 	default y
+	select OF
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_ARCH_KGDB if !SMP || SPARC64
@@ -42,7 +43,7 @@ config SPARC64
 	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
 	select HAVE_KRETPROBES
 	select HAVE_KPROBES
-	select HAVE_LMB
+	select HAVE_MEMBLOCK
 	select HAVE_SYSCALL_WRAPPERS
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FTRACE_MCOUNT_RECORD
@@ -148,9 +149,6 @@ config GENERIC_GPIO
 config ARCH_NO_VIRT_TO_BUS
 	def_bool y
 
-config OF
-	def_bool y
-
 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
 	def_bool y if SPARC64
 
diff --git a/arch/sparc/boot/btfixupprep.c b/arch/sparc/boot/btfixupprep.c
index e7f2940bd270..da031159e2b7 100644
--- a/arch/sparc/boot/btfixupprep.c
+++ b/arch/sparc/boot/btfixupprep.c
@@ -216,7 +216,7 @@ main1:
 		switch (buffer[nbase+3]) {
 		case 'f':
 			if (initval) {
-				fprintf(stderr, "Cannot use pre-initalized fixups for calls\n%s\n", buffer);
+				fprintf(stderr, "Cannot use pre-initialized fixups for calls\n%s\n", buffer);
 				exit(1);
 			}
 			if (!strcmp (sect, "__ksymtab")) {
@@ -273,7 +273,7 @@ main1:
 			break;
 		case 'i':
 			if (initval) {
-				fprintf(stderr, "Cannot use pre-initalized fixups for INT\n%s\n", buffer);
+				fprintf(stderr, "Cannot use pre-initialized fixups for INT\n%s\n", buffer);
 				exit(1);
 			}
 			if (strncmp (buffer + mode+9, "HI22      ", 10) && strncmp (buffer + mode+9, "LO10      ", 10)) {
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index 259e3fd50993..1dc07a0014c1 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.34-rc3
-# Sat Apr  3 15:49:56 2010
+# Linux kernel version: 2.6.34
+# Wed May 26 21:14:01 2010
 #
 CONFIG_64BIT=y
 CONFIG_SPARC=y
@@ -107,10 +107,9 @@ CONFIG_PERF_COUNTERS=y
 # CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_PCI_QUIRKS=y
-CONFIG_SLUB_DEBUG=y
 # CONFIG_COMPAT_BRK is not set
-# CONFIG_SLAB is not set
-CONFIG_SLUB=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_PROFILING=y
 CONFIG_TRACEPOINTS=y
@@ -239,6 +238,7 @@ CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
 CONFIG_SPARSEMEM_VMEMMAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_COMPACTION is not set
 CONFIG_MIGRATION=y
 CONFIG_PHYS_ADDR_T_64BIT=y
 CONFIG_ZONE_DMA_FLAG=0
@@ -351,6 +351,7 @@ CONFIG_IPV6_TUNNEL=m
 # CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
+# CONFIG_L2TP is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_NET_DSA is not set
 CONFIG_VLAN_8021Q=m
@@ -367,6 +368,7 @@ CONFIG_VLAN_8021Q=m
 # CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
+CONFIG_RPS=y
 
 #
 # Network testing
@@ -386,9 +388,14 @@ CONFIG_WIRELESS=y
 #
 # CFG80211 needs to be enabled for MAC80211
 #
+
+#
+# Some wireless drivers require a rate control algorithm
+#
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
+# CONFIG_CAIF is not set
 
 #
 # Device Drivers
@@ -658,6 +665,7 @@ CONFIG_PHYLIB=m
 # CONFIG_NATIONAL_PHY is not set
 # CONFIG_STE10XP is not set
 # CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_MICREL_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=m
@@ -734,6 +742,8 @@ CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 CONFIG_CHELSIO_T3_DEPENDS=y
 # CONFIG_CHELSIO_T3 is not set
+CONFIG_CHELSIO_T4_DEPENDS=y
+# CONFIG_CHELSIO_T4 is not set
 # CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
 # CONFIG_IXGBEVF is not set
@@ -766,6 +776,7 @@ CONFIG_NIU=m
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_USBNET is not set
+# CONFIG_USB_IPHETH is not set
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
@@ -778,7 +789,6 @@ CONFIG_PPP_DEFLATE=m
 CONFIG_PPP_BSDCOMP=m
 CONFIG_PPP_MPPE=m
 CONFIG_PPPOE=m
-# CONFIG_PPPOL2TP is not set
 # CONFIG_SLIP is not set
 CONFIG_SLHC=m
 # CONFIG_NET_FC is not set
@@ -816,6 +826,7 @@ CONFIG_INPUT_KEYBOARD=y
 CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_QT2160 is not set
 CONFIG_KEYBOARD_LKKBD=m
+# CONFIG_KEYBOARD_TCA6416 is not set
 # CONFIG_KEYBOARD_MAX7359 is not set
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_OPENCORES is not set
@@ -840,6 +851,7 @@ CONFIG_MOUSE_SERIAL=y
 # CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
 CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_AD714X is not set
 CONFIG_INPUT_SPARCSPKR=y
 # CONFIG_INPUT_ATI_REMOTE is not set
 # CONFIG_INPUT_ATI_REMOTE2 is not set
@@ -848,6 +860,7 @@ CONFIG_INPUT_SPARCSPKR=y
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
 # CONFIG_INPUT_UINPUT is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -871,6 +884,7 @@ CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_DEVKMEM is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_N_GSM is not set
 # CONFIG_NOZOMI is not set
 
 #
@@ -893,6 +907,8 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
 # CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
+# CONFIG_SERIAL_ALTERA_JTAGUART is not set
+# CONFIG_SERIAL_ALTERA_UART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
@@ -1306,11 +1322,14 @@ CONFIG_USB_HIDDEV=y
 CONFIG_HID_A4TECH=y
 CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
+# CONFIG_HID_CANDO is not set
 CONFIG_HID_CHERRY=y
 CONFIG_HID_CHICONY=y
+# CONFIG_HID_PRODIKEYS is not set
 CONFIG_HID_CYPRESS=y
 CONFIG_HID_DRAGONRISE=y
 # CONFIG_DRAGONRISE_FF is not set
+# CONFIG_HID_EGALAX is not set
 CONFIG_HID_EZKEY=y
 CONFIG_HID_KYE=y
 CONFIG_HID_GYRATION=y
@@ -1328,7 +1347,9 @@ CONFIG_HID_ORTEK=y
 CONFIG_HID_PANTHERLORD=y
 # CONFIG_PANTHERLORD_FF is not set
 CONFIG_HID_PETALYNX=y
+# CONFIG_HID_PICOLCD is not set
 # CONFIG_HID_QUANTA is not set
+# CONFIG_HID_ROCCAT_KONE is not set
 CONFIG_HID_SAMSUNG=y
 CONFIG_HID_SONY=y
 # CONFIG_HID_STANTUM is not set
@@ -1342,6 +1363,7 @@ CONFIG_HID_THRUSTMASTER=y
 # CONFIG_THRUSTMASTER_FF is not set
 CONFIG_HID_ZEROPLUS=y
 # CONFIG_ZEROPLUS_FF is not set
+# CONFIG_HID_ZYDACRON is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1356,7 +1378,6 @@ CONFIG_USB=y
 # CONFIG_USB_DEVICEFS is not set
 # CONFIG_USB_DEVICE_CLASS is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_OTG is not set
 # CONFIG_USB_MON is not set
 # CONFIG_USB_WUSB is not set
 # CONFIG_USB_WUSB_CBAF is not set
@@ -1521,10 +1542,6 @@ CONFIG_RTC_DRV_STARFIRE=y
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-
-#
-# TI VLYNQ
-#
 # CONFIG_STAGING is not set
 
 #
@@ -1706,8 +1723,8 @@ CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHEDSTATS=y
 # CONFIG_TIMER_STATS is not set
 # CONFIG_DEBUG_OBJECTS is not set
-# CONFIG_SLUB_DEBUG_ON is not set
-# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
@@ -1742,6 +1759,9 @@ CONFIG_SYSCTL_SYSCALL_CHECK=y
 # CONFIG_DEBUG_PAGEALLOC is not set
 CONFIG_NOP_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
 CONFIG_HAVE_DYNAMIC_FTRACE=y
 CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
@@ -1769,12 +1789,12 @@ CONFIG_BLK_DEV_IO_TRACE=y
 # CONFIG_RING_BUFFER_BENCHMARK is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
+# CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUG_DCFLUSH is not set
-# CONFIG_STACK_DEBUG is not set
 # CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set
 
 #
@@ -1895,6 +1915,7 @@ CONFIG_CRYPTO_DEFLATE=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_NIAGARA2 is not set
 # CONFIG_CRYPTO_DEV_HIFN_795X is not set
 CONFIG_BINARY_PRINTF=y
 
diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h
index 0588b8c7faa2..69358b590c91 100644
--- a/arch/sparc/include/asm/cache.h
+++ b/arch/sparc/include/asm/cache.h
@@ -11,7 +11,6 @@
 
 #define L1_CACHE_SHIFT 5
 #define L1_CACHE_BYTES 32
-#define L1_CACHE_ALIGN(x) ((((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1)))
 
 #ifdef CONFIG_SPARC32
 #define SMP_CACHE_BYTES_SHIFT 5
diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h
index d4c452147412..daa6a8a5e9cd 100644
--- a/arch/sparc/include/asm/device.h
+++ b/arch/sparc/include/asm/device.h
@@ -6,18 +6,25 @@
 #ifndef _ASM_SPARC_DEVICE_H
 #define _ASM_SPARC_DEVICE_H
 
+#include <asm/openprom.h>
+
 struct device_node;
-struct of_device;
+struct platform_device;
 
 struct dev_archdata {
 	void			*iommu;
 	void			*stc;
 	void			*host_controller;
-	struct of_device	*op;
+	struct platform_device	*op;
 	int			numa_node;
 };
 
+extern void of_propagate_archdata(struct platform_device *bus);
+
 struct pdev_archdata {
+	struct resource		resource[PROMREG_MAX];
+	unsigned int		irqs[PROMINTR_MAX];
+	int			num_irqs;
 };
 
 #endif /* _ASM_SPARC_DEVICE_H */
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index 8fac3ab22f36..6597ce874d78 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -43,7 +43,7 @@ struct sun_flpy_controller {
 /* You'll only ever find one controller on an Ultra anyways. */
 static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1;
 unsigned long fdc_status;
-static struct of_device *floppy_op = NULL;
+static struct platform_device *floppy_op = NULL;
 
 struct sun_floppy_ops {
 	unsigned char	(*fd_inb) (unsigned long port);
@@ -548,7 +548,7 @@ static unsigned long __init sun_floppy_init(void)
 {
 	static int initialized = 0;
 	struct device_node *dp;
-	struct of_device *op;
+	struct platform_device *op;
 	const char *prop;
 	char state[128];
 
@@ -567,7 +567,7 @@ static unsigned long __init sun_floppy_init(void)
 	}
 	if (op) {
 		floppy_op = op;
-		FLOPPY_IRQ = op->irqs[0];
+		FLOPPY_IRQ = op->archdata.irqs[0];
 	} else {
 		struct device_node *ebus_dp;
 		void __iomem *auxio_reg;
@@ -593,7 +593,7 @@ static unsigned long __init sun_floppy_init(void)
 		if (state_prop && !strncmp(state_prop, "disabled", 8))
 			return 0;
 
-		FLOPPY_IRQ = op->irqs[0];
+		FLOPPY_IRQ = op->archdata.irqs[0];
 
 		/* Make sure the high density bit is set, some systems
 		 * (most notably Ultra5/Ultra10) come up with it clear.
@@ -661,7 +661,7 @@ static unsigned long __init sun_floppy_init(void)
 		config = 0;
 		for (dp = ebus_dp->child; dp; dp = dp->sibling) {
 			if (!strcmp(dp->name, "ecpp")) {
-				struct of_device *ecpp_op;
+				struct platform_device *ecpp_op;
 
 				ecpp_op = of_find_device_by_node(dp);
 				if (ecpp_op)
diff --git a/arch/sparc/include/asm/lmb.h b/arch/sparc/include/asm/lmb.h
deleted file mode 100644
index 6a352cbcf520..000000000000
--- a/arch/sparc/include/asm/lmb.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef _SPARC64_LMB_H
-#define _SPARC64_LMB_H
-
-#include <asm/oplib.h>
-
-#define LMB_DBG(fmt...) prom_printf(fmt)
-
-#define LMB_REAL_LIMIT	0
-
-#endif /* !(_SPARC64_LMB_H) */
diff --git a/arch/sparc/include/asm/memblock.h b/arch/sparc/include/asm/memblock.h
new file mode 100644
index 000000000000..f12af880649b
--- /dev/null
+++ b/arch/sparc/include/asm/memblock.h
@@ -0,0 +1,10 @@
+#ifndef _SPARC64_MEMBLOCK_H
+#define _SPARC64_MEMBLOCK_H
+
+#include <asm/oplib.h>
+
+#define MEMBLOCK_DBG(fmt...) prom_printf(fmt)
+
+#define MEMBLOCK_REAL_LIMIT	0
+
+#endif /* !(_SPARC64_MEMBLOCK_H) */
diff --git a/arch/sparc/include/asm/of_device.h b/arch/sparc/include/asm/of_device.h
deleted file mode 100644
index f320246a0586..000000000000
--- a/arch/sparc/include/asm/of_device.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef _ASM_SPARC_OF_DEVICE_H
-#define _ASM_SPARC_OF_DEVICE_H
-#ifdef __KERNEL__
-
-#include <linux/device.h>
-#include <linux/of.h>
-#include <linux/mod_devicetable.h>
-#include <asm/openprom.h>
-
-/*
- * The of_device is a kind of "base class" that is a superset of
- * struct device for use by devices attached to an OF node and
- * probed using OF properties.
- */
-struct of_device
-{
-	struct device			dev;
-	struct resource			resource[PROMREG_MAX];
-	unsigned int			irqs[PROMINTR_MAX];
-	int				num_irqs;
-
-	void				*sysdata;
-
-	int				slot;
-	int				portid;
-	int				clock_freq;
-};
-
-extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
-extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
-
-extern void of_propagate_archdata(struct of_device *bus);
-
-/* This is just here during the transition */
-#include <linux/of_platform.h>
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_SPARC_OF_DEVICE_H */
diff --git a/arch/sparc/include/asm/of_platform.h b/arch/sparc/include/asm/of_platform.h
deleted file mode 100644
index 90da99059f83..000000000000
--- a/arch/sparc/include/asm/of_platform.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#ifndef ___ASM_SPARC_OF_PLATFORM_H
-#define ___ASM_SPARC_OF_PLATFORM_H
-/*
- *    Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
- *			 <benh@kernel.crashing.org>
- *    Modified for Sparc by merging parts of asm/of_device.h
- *		by Stephen Rothwell
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- *
- */
-
-#define of_bus_type	of_platform_bus_type	/* for compatibility */
-
-#endif
diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index c333b8d0949b..4f7afa01b2ae 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -103,7 +103,7 @@ static inline unsigned int get_dma_residue(unsigned int dmanr)
 	return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info);
 }
 
-static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit ecpp_probe(struct platform_device *op, const struct of_device_id *match)
 {
 	unsigned long base = op->resource[0].start;
 	unsigned long config = op->resource[1].start;
@@ -116,7 +116,7 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id
 	parent = op->dev.of_node->parent;
 	if (!strcmp(parent->name, "dma")) {
 		p = parport_pc_probe_port(base, base + 0x400,
-					  op->irqs[0], PARPORT_DMA_NOFIFO,
+					  op->archdata.irqs[0], PARPORT_DMA_NOFIFO,
 					  op->dev.parent->parent, 0);
 		if (!p)
 			return -ENOMEM;
@@ -166,7 +166,7 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id
 		       0, PTR_LPT_REG_DIR);
 
 	p = parport_pc_probe_port(base, base + 0x400,
-				  op->irqs[0],
+				  op->archdata.irqs[0],
 				  slot,
 				  op->dev.parent,
 				  0);
@@ -192,7 +192,7 @@ out_err:
 	return err;
 }
 
-static int __devexit ecpp_remove(struct of_device *op)
+static int __devexit ecpp_remove(struct platform_device *op)
 {
 	struct parport *p = dev_get_drvdata(&op->dev);
 	int slot = p->dma;
@@ -243,9 +243,7 @@ static struct of_platform_driver ecpp_driver = {
 
 static int parport_pc_find_nonpci_ports(int autoirq, int autodma)
 {
-	of_register_driver(&ecpp_driver, &of_bus_type);
-
-	return 0;
+	return of_register_platform_driver(&ecpp_driver);
 }
 
 #endif /* !(_ASM_SPARC64_PARPORT_H */
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 77f906d8cc21..0ece77f47753 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -142,13 +142,12 @@ BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t)
 #define pmd_page(pmd) BTFIXUP_CALL(pmd_page)(pmd)
 #define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd)
 
-BTFIXUPDEF_SETHI(none_mask)
 BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t)
 BTFIXUPDEF_CALL(void, pte_clear, pte_t *)
 
 static inline int pte_none(pte_t pte)
 {
-	return !(pte_val(pte) & ~BTFIXUP_SETHI(none_mask));
+	return !pte_val(pte);
 }
 
 #define pte_present(pte) BTFIXUP_CALL(pte_present)(pte)
@@ -160,7 +159,7 @@ BTFIXUPDEF_CALL(void, pmd_clear, pmd_t *)
 
 static inline int pmd_none(pmd_t pmd)
 {
-	return !(pmd_val(pmd) & ~BTFIXUP_SETHI(none_mask));
+	return !pmd_val(pmd);
 }
 
 #define pmd_bad(pmd) BTFIXUP_CALL(pmd_bad)(pmd)
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index f845828ca4c6..291f12575edd 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -43,20 +43,22 @@ extern int of_getintprop_default(struct device_node *np,
 extern int of_find_in_proplist(const char *list, const char *match, int len);
 #ifdef CONFIG_NUMA
 extern int of_node_to_nid(struct device_node *dp);
-#else
-#define of_node_to_nid(dp)	(-1)
+#define of_node_to_nid of_node_to_nid
 #endif
 
 extern void prom_build_devicetree(void);
 extern void of_populate_present_mask(void);
 extern void of_fill_in_cpu_data(void);
 
+struct resource;
+extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
+extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
+
 /* These routines are here to provide compatibility with how powerpc
  * handles IRQ mapping for OF device nodes.  We precompute and permanently
- * register them in the of_device objects, whereas powerpc computes them
+ * register them in the platform_device objects, whereas powerpc computes them
  * on request.
  */
-extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
 static inline void irq_dispose_mapping(unsigned int virq)
 {
 }
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index b27476caa133..2c0046ecc715 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -68,7 +68,7 @@ static void apc_swift_idle(void)
 #endif
 } 
 
-static inline void apc_free(struct of_device *op)
+static inline void apc_free(struct platform_device *op)
 {
 	of_iounmap(&op->resource[0], regs, resource_size(&op->resource[0]));
 }
@@ -136,7 +136,7 @@ static const struct file_operations apc_fops = {
 
 static struct miscdevice apc_miscdev = { APC_MINOR, APC_DEVNAME, &apc_fops };
 
-static int __devinit apc_probe(struct of_device *op,
+static int __devinit apc_probe(struct platform_device *op,
 			       const struct of_device_id *match)
 {
 	int err;
@@ -184,7 +184,7 @@ static struct of_platform_driver apc_driver = {
 
 static int __init apc_init(void)
 {
-	return of_register_driver(&apc_driver, &of_bus_type);
+	return of_register_platform_driver(&apc_driver);
 }
 
 /* This driver is not critical to the boot process
diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c
index ddc84128b3c2..3efd3c5af6a9 100644
--- a/arch/sparc/kernel/auxio_64.c
+++ b/arch/sparc/kernel/auxio_64.c
@@ -102,7 +102,8 @@ static struct of_device_id __initdata auxio_match[] = {
 
 MODULE_DEVICE_TABLE(of, auxio_match);
 
-static int __devinit auxio_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit auxio_probe(struct platform_device *dev,
+				 const struct of_device_id *match)
 {
 	struct device_node *dp = dev->dev.of_node;
 	unsigned long size;
@@ -142,7 +143,7 @@ static struct of_platform_driver auxio_driver = {
 
 static int __init auxio_init(void)
 {
-	return of_register_driver(&auxio_driver, &of_platform_bus_type);
+	return of_register_platform_driver(&auxio_driver);
 }
 
 /* Must be after subsys_initcall() so that busses are probed.  Must
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index 434335f65823..cfa2624c5332 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -59,7 +59,7 @@ static int __devinit clock_board_calc_nslots(struct clock_board *p)
 	}
 }
 
-static int __devinit clock_board_probe(struct of_device *op,
+static int __devinit clock_board_probe(struct platform_device *op,
 				       const struct of_device_id *match)
 {
 	struct clock_board *p = kzalloc(sizeof(*p), GFP_KERNEL);
@@ -157,7 +157,7 @@ static struct of_platform_driver clock_board_driver = {
 	},
 };
 
-static int __devinit fhc_probe(struct of_device *op,
+static int __devinit fhc_probe(struct platform_device *op,
 			       const struct of_device_id *match)
 {
 	struct fhc *p = kzalloc(sizeof(*p), GFP_KERNEL);
@@ -265,8 +265,8 @@ static struct of_platform_driver fhc_driver = {
 
 static int __init sunfire_init(void)
 {
-	(void) of_register_driver(&fhc_driver, &of_platform_bus_type);
-	(void) of_register_driver(&clock_board_driver, &of_platform_bus_type);
+	(void) of_register_platform_driver(&fhc_driver);
+	(void) of_register_platform_driver(&clock_board_driver);
 	return 0;
 }
 
diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c
index 870cb65b3f21..08c466ebb32b 100644
--- a/arch/sparc/kernel/chmc.c
+++ b/arch/sparc/kernel/chmc.c
@@ -392,7 +392,7 @@ static void __devinit jbusmc_construct_dimm_groups(struct jbusmc *p,
 	}
 }
 
-static int __devinit jbusmc_probe(struct of_device *op,
+static int __devinit jbusmc_probe(struct platform_device *op,
 				  const struct of_device_id *match)
 {
 	const struct linux_prom64_registers *mem_regs;
@@ -690,7 +690,7 @@ static void chmc_fetch_decode_regs(struct chmc *p)
 				      chmc_read_mcreg(p, CHMCTRL_DECODE4));
 }
 
-static int __devinit chmc_probe(struct of_device *op,
+static int __devinit chmc_probe(struct platform_device *op,
 				const struct of_device_id *match)
 {
 	struct device_node *dp = op->dev.of_node;
@@ -765,7 +765,7 @@ out_free:
 	goto out;
 }
 
-static int __devinit us3mc_probe(struct of_device *op,
+static int __devinit us3mc_probe(struct platform_device *op,
 				const struct of_device_id *match)
 {
 	if (mc_type == MC_TYPE_SAFARI)
@@ -775,21 +775,21 @@ static int __devinit us3mc_probe(struct of_device *op,
 	return -ENODEV;
 }
 
-static void __devexit chmc_destroy(struct of_device *op, struct chmc *p)
+static void __devexit chmc_destroy(struct platform_device *op, struct chmc *p)
 {
 	list_del(&p->list);
 	of_iounmap(&op->resource[0], p->regs, 0x48);
 	kfree(p);
 }
 
-static void __devexit jbusmc_destroy(struct of_device *op, struct jbusmc *p)
+static void __devexit jbusmc_destroy(struct platform_device *op, struct jbusmc *p)
 {
 	mc_list_del(&p->list);
 	of_iounmap(&op->resource[0], p->regs, JBUSMC_REGS_SIZE);
 	kfree(p);
 }
 
-static int __devexit us3mc_remove(struct of_device *op)
+static int __devexit us3mc_remove(struct platform_device *op)
 {
 	void *p = dev_get_drvdata(&op->dev);
 
@@ -848,7 +848,7 @@ static int __init us3mc_init(void)
 	ret = register_dimm_printer(us3mc_dimm_printer);
 
 	if (!ret) {
-		ret = of_register_driver(&us3mc_driver, &of_bus_type);
+		ret = of_register_platform_driver(&us3mc_driver);
 		if (ret)
 			unregister_dimm_printer(us3mc_dimm_printer);
 	}
@@ -859,7 +859,7 @@ static void __exit us3mc_cleanup(void)
 {
 	if (us3mc_platform()) {
 		unregister_dimm_printer(us3mc_dimm_printer);
-		of_unregister_driver(&us3mc_driver);
+		of_unregister_platform_driver(&us3mc_driver);
 	}
 }
 
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 703e4aa9bc38..41f7e4e0f72a 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -253,7 +253,7 @@ EXPORT_SYMBOL(sbus_set_sbus64);
 static void *sbus_alloc_coherent(struct device *dev, size_t len,
 				 dma_addr_t *dma_addrp, gfp_t gfp)
 {
-	struct of_device *op = to_of_device(dev);
+	struct platform_device *op = to_platform_device(dev);
 	unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK;
 	unsigned long va;
 	struct resource *res;
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index cdc91d919e93..83e85c2e802a 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -4,7 +4,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 #include <linux/log2.h>
 #include <linux/list.h>
 #include <linux/slab.h>
@@ -86,7 +86,7 @@ static void mdesc_handle_init(struct mdesc_handle *hp,
 	hp->handle_size = handle_size;
 }
 
-static struct mdesc_handle * __init mdesc_lmb_alloc(unsigned int mdesc_size)
+static struct mdesc_handle * __init mdesc_memblock_alloc(unsigned int mdesc_size)
 {
 	unsigned int handle_size, alloc_size;
 	struct mdesc_handle *hp;
@@ -97,7 +97,7 @@ static struct mdesc_handle * __init mdesc_lmb_alloc(unsigned int mdesc_size)
 		       mdesc_size);
 	alloc_size = PAGE_ALIGN(handle_size);
 
-	paddr = lmb_alloc(alloc_size, PAGE_SIZE);
+	paddr = memblock_alloc(alloc_size, PAGE_SIZE);
 
 	hp = NULL;
 	if (paddr) {
@@ -107,7 +107,7 @@ static struct mdesc_handle * __init mdesc_lmb_alloc(unsigned int mdesc_size)
 	return hp;
 }
 
-static void mdesc_lmb_free(struct mdesc_handle *hp)
+static void mdesc_memblock_free(struct mdesc_handle *hp)
 {
 	unsigned int alloc_size;
 	unsigned long start;
@@ -120,9 +120,9 @@ static void mdesc_lmb_free(struct mdesc_handle *hp)
 	free_bootmem_late(start, alloc_size);
 }
 
-static struct mdesc_mem_ops lmb_mdesc_ops = {
-	.alloc = mdesc_lmb_alloc,
-	.free  = mdesc_lmb_free,
+static struct mdesc_mem_ops memblock_mdesc_ops = {
+	.alloc = mdesc_memblock_alloc,
+	.free  = mdesc_memblock_free,
 };
 
 static struct mdesc_handle *mdesc_kmalloc(unsigned int mdesc_size)
@@ -914,7 +914,7 @@ void __init sun4v_mdesc_init(void)
 
 	printk("MDESC: Size is %lu bytes.\n", len);
 
-	hp = mdesc_alloc(len, &lmb_mdesc_ops);
+	hp = mdesc_alloc(len, &memblock_mdesc_ops);
 	if (hp == NULL) {
 		prom_printf("MDESC: alloc of %lu bytes failed.\n", len);
 		prom_halt();
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 47e63f1e719c..2d055a1e9cc2 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -241,10 +241,10 @@ static int __init use_1to1_mapping(struct device_node *pp)
 
 static int of_resource_verbose;
 
-static void __init build_device_resources(struct of_device *op,
+static void __init build_device_resources(struct platform_device *op,
 					  struct device *parent)
 {
-	struct of_device *p_op;
+	struct platform_device *p_op;
 	struct of_bus *bus;
 	int na, ns;
 	int index, num_reg;
@@ -253,7 +253,7 @@ static void __init build_device_resources(struct of_device *op,
 	if (!parent)
 		return;
 
-	p_op = to_of_device(parent);
+	p_op = to_platform_device(parent);
 	bus = of_match_bus(p_op->dev.of_node);
 	bus->count_cells(op->dev.of_node, &na, &ns);
 
@@ -267,6 +267,8 @@ static void __init build_device_resources(struct of_device *op,
 	/* Conver to num-entries.  */
 	num_reg /= na + ns;
 
+	op->resource = op->archdata.resource;
+	op->num_resources = num_reg;
 	for (index = 0; index < num_reg; index++) {
 		struct resource *r = &op->resource[index];
 		u32 addr[OF_MAX_ADDR_CELLS];
@@ -333,10 +335,10 @@ static void __init build_device_resources(struct of_device *op,
 	}
 }
 
-static struct of_device * __init scan_one_device(struct device_node *dp,
+static struct platform_device * __init scan_one_device(struct device_node *dp,
 						 struct device *parent)
 {
-	struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
+	struct platform_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
 	const struct linux_prom_irqs *intr;
 	struct dev_archdata *sd;
 	int len, i;
@@ -349,27 +351,21 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 
 	op->dev.of_node = dp;
 
-	op->clock_freq = of_getintprop_default(dp, "clock-frequency",
-					       (25*1000*1000));
-	op->portid = of_getintprop_default(dp, "upa-portid", -1);
-	if (op->portid == -1)
-		op->portid = of_getintprop_default(dp, "portid", -1);
-
 	intr = of_get_property(dp, "intr", &len);
 	if (intr) {
-		op->num_irqs = len / sizeof(struct linux_prom_irqs);
-		for (i = 0; i < op->num_irqs; i++)
-			op->irqs[i] = intr[i].pri;
+		op->archdata.num_irqs = len / sizeof(struct linux_prom_irqs);
+		for (i = 0; i < op->archdata.num_irqs; i++)
+			op->archdata.irqs[i] = intr[i].pri;
 	} else {
 		const unsigned int *irq =
 			of_get_property(dp, "interrupts", &len);
 
 		if (irq) {
-			op->num_irqs = len / sizeof(unsigned int);
-			for (i = 0; i < op->num_irqs; i++)
-				op->irqs[i] = irq[i];
+			op->archdata.num_irqs = len / sizeof(unsigned int);
+			for (i = 0; i < op->archdata.num_irqs; i++)
+				op->archdata.irqs[i] = irq[i];
 		} else {
-			op->num_irqs = 0;
+			op->archdata.num_irqs = 0;
 		}
 	}
 	if (sparc_cpu_model == sun4d) {
@@ -411,8 +407,8 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 			goto build_resources;
 		}
 
-		for (i = 0; i < op->num_irqs; i++) {
-			int this_irq = op->irqs[i];
+		for (i = 0; i < op->archdata.num_irqs; i++) {
+			int this_irq = op->archdata.irqs[i];
 			int sbusl = pil_to_sbus[this_irq];
 
 			if (sbusl)
@@ -420,7 +416,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 					    (sbusl << 2) +
 					    slot);
 
-			op->irqs[i] = this_irq;
+			op->archdata.irqs[i] = this_irq;
 		}
 	}
 
@@ -428,7 +424,7 @@ build_resources:
 	build_device_resources(op, parent);
 
 	op->dev.parent = parent;
-	op->dev.bus = &of_platform_bus_type;
+	op->dev.bus = &platform_bus_type;
 	if (!parent)
 		dev_set_name(&op->dev, "root");
 	else
@@ -447,7 +443,7 @@ build_resources:
 static void __init scan_tree(struct device_node *dp, struct device *parent)
 {
 	while (dp) {
-		struct of_device *op = scan_one_device(dp, parent);
+		struct platform_device *op = scan_one_device(dp, parent);
 
 		if (op)
 			scan_tree(dp->child, &op->dev);
@@ -456,30 +452,19 @@ static void __init scan_tree(struct device_node *dp, struct device *parent)
 	}
 }
 
-static void __init scan_of_devices(void)
+static int __init scan_of_devices(void)
 {
 	struct device_node *root = of_find_node_by_path("/");
-	struct of_device *parent;
+	struct platform_device *parent;
 
 	parent = scan_one_device(root, NULL);
 	if (!parent)
-		return;
+		return 0;
 
 	scan_tree(root->child, &parent->dev);
+	return 0;
 }
-
-static int __init of_bus_driver_init(void)
-{
-	int err;
-
-	err = of_bus_type_init(&of_platform_bus_type, "of");
-	if (!err)
-		scan_of_devices();
-
-	return err;
-}
-
-postcore_initcall(of_bus_driver_init);
+postcore_initcall(scan_of_devices);
 
 static int __init of_debug(char *str)
 {
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 1dae8079f728..63cd4e5d47c2 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -310,10 +310,10 @@ static int __init use_1to1_mapping(struct device_node *pp)
 
 static int of_resource_verbose;
 
-static void __init build_device_resources(struct of_device *op,
+static void __init build_device_resources(struct platform_device *op,
 					  struct device *parent)
 {
-	struct of_device *p_op;
+	struct platform_device *p_op;
 	struct of_bus *bus;
 	int na, ns;
 	int index, num_reg;
@@ -322,7 +322,7 @@ static void __init build_device_resources(struct of_device *op,
 	if (!parent)
 		return;
 
-	p_op = to_of_device(parent);
+	p_op = to_platform_device(parent);
 	bus = of_match_bus(p_op->dev.of_node);
 	bus->count_cells(op->dev.of_node, &na, &ns);
 
@@ -344,6 +344,8 @@ static void __init build_device_resources(struct of_device *op,
 		num_reg = PROMREG_MAX;
 	}
 
+	op->resource = op->archdata.resource;
+	op->num_resources = num_reg;
 	for (index = 0; index < num_reg; index++) {
 		struct resource *r = &op->resource[index];
 		u32 addr[OF_MAX_ADDR_CELLS];
@@ -526,7 +528,7 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp,
 
 static int of_irq_verbose;
 
-static unsigned int __init build_one_device_irq(struct of_device *op,
+static unsigned int __init build_one_device_irq(struct platform_device *op,
 						struct device *parent,
 						unsigned int irq)
 {
@@ -628,10 +630,10 @@ out:
 	return irq;
 }
 
-static struct of_device * __init scan_one_device(struct device_node *dp,
+static struct platform_device * __init scan_one_device(struct device_node *dp,
 						 struct device *parent)
 {
-	struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
+	struct platform_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
 	const unsigned int *irq;
 	struct dev_archdata *sd;
 	int len, i;
@@ -644,34 +646,28 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 
 	op->dev.of_node = dp;
 
-	op->clock_freq = of_getintprop_default(dp, "clock-frequency",
-					       (25*1000*1000));
-	op->portid = of_getintprop_default(dp, "upa-portid", -1);
-	if (op->portid == -1)
-		op->portid = of_getintprop_default(dp, "portid", -1);
-
 	irq = of_get_property(dp, "interrupts", &len);
 	if (irq) {
-		op->num_irqs = len / 4;
+		op->archdata.num_irqs = len / 4;
 
 		/* Prevent overrunning the op->irqs[] array.  */
-		if (op->num_irqs > PROMINTR_MAX) {
+		if (op->archdata.num_irqs > PROMINTR_MAX) {
 			printk(KERN_WARNING "%s: Too many irqs (%d), "
 			       "limiting to %d.\n",
-			       dp->full_name, op->num_irqs, PROMINTR_MAX);
-			op->num_irqs = PROMINTR_MAX;
+			       dp->full_name, op->archdata.num_irqs, PROMINTR_MAX);
+			op->archdata.num_irqs = PROMINTR_MAX;
 		}
-		memcpy(op->irqs, irq, op->num_irqs * 4);
+		memcpy(op->archdata.irqs, irq, op->archdata.num_irqs * 4);
 	} else {
-		op->num_irqs = 0;
+		op->archdata.num_irqs = 0;
 	}
 
 	build_device_resources(op, parent);
-	for (i = 0; i < op->num_irqs; i++)
-		op->irqs[i] = build_one_device_irq(op, parent, op->irqs[i]);
+	for (i = 0; i < op->archdata.num_irqs; i++)
+		op->archdata.irqs[i] = build_one_device_irq(op, parent, op->archdata.irqs[i]);
 
 	op->dev.parent = parent;
-	op->dev.bus = &of_platform_bus_type;
+	op->dev.bus = &platform_bus_type;
 	if (!parent)
 		dev_set_name(&op->dev, "root");
 	else
@@ -690,7 +686,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 static void __init scan_tree(struct device_node *dp, struct device *parent)
 {
 	while (dp) {
-		struct of_device *op = scan_one_device(dp, parent);
+		struct platform_device *op = scan_one_device(dp, parent);
 
 		if (op)
 			scan_tree(dp->child, &op->dev);
@@ -699,30 +695,19 @@ static void __init scan_tree(struct device_node *dp, struct device *parent)
 	}
 }
 
-static void __init scan_of_devices(void)
+static int __init scan_of_devices(void)
 {
 	struct device_node *root = of_find_node_by_path("/");
-	struct of_device *parent;
+	struct platform_device *parent;
 
 	parent = scan_one_device(root, NULL);
 	if (!parent)
-		return;
+		return 0;
 
 	scan_tree(root->child, &parent->dev);
+	return 0;
 }
-
-static int __init of_bus_driver_init(void)
-{
-	int err;
-
-	err = of_bus_type_init(&of_platform_bus_type, "of");
-	if (!err)
-		scan_of_devices();
-
-	return err;
-}
-
-postcore_initcall(of_bus_driver_init);
+postcore_initcall(scan_of_devices);
 
 static int __init of_debug(char *str)
 {
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index 10c6c36a6e75..49ddff56cb04 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -11,48 +11,28 @@
 
 #include "of_device_common.h"
 
-static int node_match(struct device *dev, void *data)
-{
-	struct of_device *op = to_of_device(dev);
-	struct device_node *dp = data;
-
-	return (op->dev.of_node == dp);
-}
-
-struct of_device *of_find_device_by_node(struct device_node *dp)
-{
-	struct device *dev = bus_find_device(&of_platform_bus_type, NULL,
-					     dp, node_match);
-
-	if (dev)
-		return to_of_device(dev);
-
-	return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_node);
-
 unsigned int irq_of_parse_and_map(struct device_node *node, int index)
 {
-	struct of_device *op = of_find_device_by_node(node);
+	struct platform_device *op = of_find_device_by_node(node);
 
-	if (!op || index >= op->num_irqs)
+	if (!op || index >= op->archdata.num_irqs)
 		return 0;
 
-	return op->irqs[index];
+	return op->archdata.irqs[index];
 }
 EXPORT_SYMBOL(irq_of_parse_and_map);
 
 /* Take the archdata values for IOMMU, STC, and HOSTDATA found in
- * BUS and propagate to all child of_device objects.
+ * BUS and propagate to all child platform_device objects.
  */
-void of_propagate_archdata(struct of_device *bus)
+void of_propagate_archdata(struct platform_device *bus)
 {
 	struct dev_archdata *bus_sd = &bus->dev.archdata;
 	struct device_node *bus_dp = bus->dev.of_node;
 	struct device_node *dp;
 
 	for (dp = bus_dp->child; dp; dp = dp->sibling) {
-		struct of_device *op = of_find_device_by_node(dp);
+		struct platform_device *op = of_find_device_by_node(dp);
 
 		op->dev.archdata.iommu = bus_sd->iommu;
 		op->dev.archdata.stc = bus_sd->stc;
@@ -64,9 +44,6 @@ void of_propagate_archdata(struct of_device *bus)
 	}
 }
 
-struct bus_type of_platform_bus_type;
-EXPORT_SYMBOL(of_platform_bus_type);
-
 static void get_cells(struct device_node *dp, int *addrc, int *sizec)
 {
 	if (addrc)
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 8a8363adb8bd..4137579d9adc 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -198,7 +198,7 @@ static unsigned long pci_parse_of_flags(u32 addr0)
  * into physical address resources, we only have to figure out the register
  * mapping.
  */
-static void pci_parse_of_addrs(struct of_device *op,
+static void pci_parse_of_addrs(struct platform_device *op,
 			       struct device_node *node,
 			       struct pci_dev *dev)
 {
@@ -248,7 +248,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 {
 	struct dev_archdata *sd;
 	struct pci_slot *slot;
-	struct of_device *op;
+	struct platform_device *op;
 	struct pci_dev *dev;
 	const char *type;
 	u32 class;
@@ -340,7 +340,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 		dev->hdr_type = PCI_HEADER_TYPE_NORMAL;
 		dev->rom_base_reg = PCI_ROM_ADDRESS;
 
-		dev->irq = sd->op->irqs[0];
+		dev->irq = sd->op->archdata.irqs[0];
 		if (dev->irq == 0xffffffff)
 			dev->irq = PCI_IRQ_NONE;
 	}
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index 51cfa09e392a..efb896d68754 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -410,7 +410,7 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm)
 }
 
 static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
-				       struct of_device *op, u32 portid)
+				       struct platform_device *op, u32 portid)
 {
 	const struct linux_prom64_registers *regs;
 	struct device_node *dp = op->dev.of_node;
@@ -455,7 +455,7 @@ static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
 	return 0;
 }
 
-static int __devinit fire_probe(struct of_device *op,
+static int __devinit fire_probe(struct platform_device *op,
 				const struct of_device_id *match)
 {
 	struct device_node *dp = op->dev.of_node;
@@ -518,7 +518,7 @@ static struct of_platform_driver fire_driver = {
 
 static int __init fire_init(void)
 {
-	return of_register_driver(&fire_driver, &of_bus_type);
+	return of_register_platform_driver(&fire_driver);
 }
 
 subsys_initcall(fire_init);
diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h
index 03186824327e..e20ed5f06e9c 100644
--- a/arch/sparc/kernel/pci_impl.h
+++ b/arch/sparc/kernel/pci_impl.h
@@ -91,7 +91,7 @@ struct pci_pbm_info {
 	char				*name;
 
 	/* OBP specific information. */
-	struct of_device		*op;
+	struct platform_device		*op;
 	u64				ino_bitmap;
 
 	/* PBM I/O and Memory space resources. */
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index 558a70512824..22eab7cf3b11 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -285,7 +285,7 @@ static irqreturn_t psycho_ce_intr(int irq, void *dev_id)
 #define  PSYCHO_ECCCTRL_CE	 0x2000000000000000UL /* Enable CE INterrupts */
 static void psycho_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
+	struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node);
 	unsigned long base = pbm->controller_regs;
 	u64 tmp;
 	int err;
@@ -302,23 +302,23 @@ static void psycho_register_error_handlers(struct pci_pbm_info *pbm)
 	 * 5: POWER MANAGEMENT
 	 */
 
-	if (op->num_irqs < 6)
+	if (op->archdata.num_irqs < 6)
 		return;
 
 	/* We really mean to ignore the return result here.  Two
 	 * PCI controller share the same interrupt numbers and
 	 * drive the same front-end hardware.
 	 */
-	err = request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED,
+	err = request_irq(op->archdata.irqs[1], psycho_ue_intr, IRQF_SHARED,
 			  "PSYCHO_UE", pbm);
-	err = request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED,
+	err = request_irq(op->archdata.irqs[2], psycho_ce_intr, IRQF_SHARED,
 			  "PSYCHO_CE", pbm);
 
 	/* This one, however, ought not to fail.  We can just warn
 	 * about it since the system can still operate properly even
 	 * if this fails.
 	 */
-	err = request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED,
+	err = request_irq(op->archdata.irqs[0], psycho_pcierr_intr, IRQF_SHARED,
 			  "PSYCHO_PCIERR", pbm);
 	if (err)
 		printk(KERN_WARNING "%s: Could not register PCIERR, "
@@ -483,7 +483,7 @@ static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm,
 #define PSYCHO_MEMSPACE_SIZE	0x07fffffffUL
 
 static void __devinit psycho_pbm_init(struct pci_pbm_info *pbm,
-				      struct of_device *op, int is_pbm_a)
+				      struct platform_device *op, int is_pbm_a)
 {
 	psycho_pbm_init_common(pbm, op, "PSYCHO", PBM_CHIP_TYPE_PSYCHO);
 	psycho_pbm_strbuf_init(pbm, is_pbm_a);
@@ -503,7 +503,7 @@ static struct pci_pbm_info * __devinit psycho_find_sibling(u32 upa_portid)
 
 #define PSYCHO_CONFIGSPACE	0x001000000UL
 
-static int __devinit psycho_probe(struct of_device *op,
+static int __devinit psycho_probe(struct platform_device *op,
 				  const struct of_device_id *match)
 {
 	const struct linux_prom64_registers *pr_regs;
@@ -612,7 +612,7 @@ static struct of_platform_driver psycho_driver = {
 
 static int __init psycho_init(void)
 {
-	return of_register_driver(&psycho_driver, &of_bus_type);
+	return of_register_platform_driver(&psycho_driver);
 }
 
 subsys_initcall(psycho_init);
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 6dad8e3b7506..5c3f5ec4cabc 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -311,7 +311,7 @@ static irqreturn_t sabre_ce_intr(int irq, void *dev_id)
 static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
 {
 	struct device_node *dp = pbm->op->dev.of_node;
-	struct of_device *op;
+	struct platform_device *op;
 	unsigned long base = pbm->controller_regs;
 	u64 tmp;
 	int err;
@@ -329,7 +329,7 @@ static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
 	 * 2: CE ERR
 	 * 3: POWER FAIL
 	 */
-	if (op->num_irqs < 4)
+	if (op->archdata.num_irqs < 4)
 		return;
 
 	/* We clear the error bits in the appropriate AFSR before
@@ -341,7 +341,7 @@ static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
 		    SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE),
 		   base + SABRE_UE_AFSR);
 
-	err = request_irq(op->irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm);
+	err = request_irq(op->archdata.irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm);
 	if (err)
 		printk(KERN_WARNING "%s: Couldn't register UE, err=%d.\n",
 		       pbm->name, err);
@@ -351,11 +351,11 @@ static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
 		   base + SABRE_CE_AFSR);
 
 
-	err = request_irq(op->irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm);
+	err = request_irq(op->archdata.irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm);
 	if (err)
 		printk(KERN_WARNING "%s: Couldn't register CE, err=%d.\n",
 		       pbm->name, err);
-	err = request_irq(op->irqs[0], psycho_pcierr_intr, 0,
+	err = request_irq(op->archdata.irqs[0], psycho_pcierr_intr, 0,
 			  "SABRE_PCIERR", pbm);
 	if (err)
 		printk(KERN_WARNING "%s: Couldn't register PCIERR, err=%d.\n",
@@ -443,7 +443,7 @@ static void __devinit sabre_scan_bus(struct pci_pbm_info *pbm,
 }
 
 static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm,
-				     struct of_device *op)
+				     struct platform_device *op)
 {
 	psycho_pbm_init_common(pbm, op, "SABRE", PBM_CHIP_TYPE_SABRE);
 	pbm->pci_afsr = pbm->controller_regs + SABRE_PIOAFSR;
@@ -452,7 +452,7 @@ static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm,
 	sabre_scan_bus(pbm, &op->dev);
 }
 
-static int __devinit sabre_probe(struct of_device *op,
+static int __devinit sabre_probe(struct platform_device *op,
 				 const struct of_device_id *match)
 {
 	const struct linux_prom64_registers *pr_regs;
@@ -606,7 +606,7 @@ static struct of_platform_driver sabre_driver = {
 
 static int __init sabre_init(void)
 {
-	return of_register_driver(&sabre_driver, &of_bus_type);
+	return of_register_platform_driver(&sabre_driver);
 }
 
 subsys_initcall(sabre_init);
diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c
index 97a1ae2e1c02..445a47a2fb3d 100644
--- a/arch/sparc/kernel/pci_schizo.c
+++ b/arch/sparc/kernel/pci_schizo.c
@@ -844,7 +844,7 @@ static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino)
  */
 static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
+	struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node);
 	u64 tmp, err_mask, err_no_mask;
 	int err;
 
@@ -857,14 +857,14 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
 	 */
 
 	if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) {
-		err = request_irq(op->irqs[1], schizo_ue_intr, 0,
+		err = request_irq(op->archdata.irqs[1], schizo_ue_intr, 0,
 				  "TOMATILLO_UE", pbm);
 		if (err)
 			printk(KERN_WARNING "%s: Could not register UE, "
 			       "err=%d\n", pbm->name, err);
 	}
 	if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) {
-		err = request_irq(op->irqs[2], schizo_ce_intr, 0,
+		err = request_irq(op->archdata.irqs[2], schizo_ce_intr, 0,
 				  "TOMATILLO_CE", pbm);
 		if (err)
 			printk(KERN_WARNING "%s: Could not register CE, "
@@ -872,10 +872,10 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
 	}
 	err = 0;
 	if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) {
-		err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+		err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
 				  "TOMATILLO_PCIERR", pbm);
 	} else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) {
-		err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+		err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
 				  "TOMATILLO_PCIERR", pbm);
 	}
 	if (err)
@@ -883,7 +883,7 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
 		       "err=%d\n", pbm->name, err);
 
 	if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) {
-		err = request_irq(op->irqs[3], schizo_safarierr_intr, 0,
+		err = request_irq(op->archdata.irqs[3], schizo_safarierr_intr, 0,
 				  "TOMATILLO_SERR", pbm);
 		if (err)
 			printk(KERN_WARNING "%s: Could not register SERR, "
@@ -939,7 +939,7 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
 
 static void schizo_register_error_handlers(struct pci_pbm_info *pbm)
 {
-	struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node);
+	struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node);
 	u64 tmp, err_mask, err_no_mask;
 	int err;
 
@@ -952,14 +952,14 @@ static void schizo_register_error_handlers(struct pci_pbm_info *pbm)
 	 */
 
 	if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) {
-		err = request_irq(op->irqs[1], schizo_ue_intr, 0,
+		err = request_irq(op->archdata.irqs[1], schizo_ue_intr, 0,
 				  "SCHIZO_UE", pbm);
 		if (err)
 			printk(KERN_WARNING "%s: Could not register UE, "
 			       "err=%d\n", pbm->name, err);
 	}
 	if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) {
-		err = request_irq(op->irqs[2], schizo_ce_intr, 0,
+		err = request_irq(op->archdata.irqs[2], schizo_ce_intr, 0,
 				  "SCHIZO_CE", pbm);
 		if (err)
 			printk(KERN_WARNING "%s: Could not register CE, "
@@ -967,10 +967,10 @@ static void schizo_register_error_handlers(struct pci_pbm_info *pbm)
 	}
 	err = 0;
 	if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) {
-		err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+		err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
 				  "SCHIZO_PCIERR", pbm);
 	} else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) {
-		err = request_irq(op->irqs[0], schizo_pcierr_intr, 0,
+		err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0,
 				  "SCHIZO_PCIERR", pbm);
 	}
 	if (err)
@@ -978,7 +978,7 @@ static void schizo_register_error_handlers(struct pci_pbm_info *pbm)
 		       "err=%d\n", pbm->name, err);
 
 	if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) {
-		err = request_irq(op->irqs[3], schizo_safarierr_intr, 0,
+		err = request_irq(op->archdata.irqs[3], schizo_safarierr_intr, 0,
 				  "SCHIZO_SERR", pbm);
 		if (err)
 			printk(KERN_WARNING "%s: Could not register SERR, "
@@ -1307,7 +1307,7 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm)
 }
 
 static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm,
-				     struct of_device *op, u32 portid,
+				     struct platform_device *op, u32 portid,
 				     int chip_type)
 {
 	const struct linux_prom64_registers *regs;
@@ -1413,7 +1413,7 @@ static struct pci_pbm_info * __devinit schizo_find_sibling(u32 portid,
 	return NULL;
 }
 
-static int __devinit __schizo_init(struct of_device *op, unsigned long chip_type)
+static int __devinit __schizo_init(struct platform_device *op, unsigned long chip_type)
 {
 	struct device_node *dp = op->dev.of_node;
 	struct pci_pbm_info *pbm;
@@ -1460,7 +1460,7 @@ out_err:
 	return err;
 }
 
-static int __devinit schizo_probe(struct of_device *op,
+static int __devinit schizo_probe(struct platform_device *op,
 				  const struct of_device_id *match)
 {
 	return __schizo_init(op, (unsigned long) match->data);
@@ -1501,7 +1501,7 @@ static struct of_platform_driver schizo_driver = {
 
 static int __init schizo_init(void)
 {
-	return of_register_driver(&schizo_driver, &of_bus_type);
+	return of_register_platform_driver(&schizo_driver);
 }
 
 subsys_initcall(schizo_init);
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index a24af6f7e17f..743344aa6d8a 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -879,7 +879,7 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
 #endif /* !(CONFIG_PCI_MSI) */
 
 static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
-					struct of_device *op, u32 devhandle)
+					struct platform_device *op, u32 devhandle)
 {
 	struct device_node *dp = op->dev.of_node;
 	int err;
@@ -918,7 +918,7 @@ static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
 	return 0;
 }
 
-static int __devinit pci_sun4v_probe(struct of_device *op,
+static int __devinit pci_sun4v_probe(struct platform_device *op,
 				     const struct of_device_id *match)
 {
 	const struct linux_prom64_registers *regs;
@@ -1019,7 +1019,7 @@ static struct of_platform_driver pci_sun4v_driver = {
 
 static int __init pci_sun4v_init(void)
 {
-	return of_register_driver(&pci_sun4v_driver, &of_bus_type);
+	return of_register_platform_driver(&pci_sun4v_driver);
 }
 
 subsys_initcall(pci_sun4v_init);
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 0ec92c8861dd..44faabc3c02c 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -657,6 +657,7 @@ static u64 maybe_change_configuration(struct cpu_hw_events *cpuc, u64 pcr)
 		cpuc->current_idx[i] = idx;
 
 		enc = perf_event_get_enc(cpuc->events[i]);
+		pcr &= ~mask_for_index(idx);
 		pcr |= event_encoding(enc, idx);
 	}
 out:
diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c
index 9589d8b9b0c1..94536a85f161 100644
--- a/arch/sparc/kernel/pmc.c
+++ b/arch/sparc/kernel/pmc.c
@@ -51,7 +51,7 @@ static void pmc_swift_idle(void)
 #endif
 }
 
-static int __devinit pmc_probe(struct of_device *op,
+static int __devinit pmc_probe(struct platform_device *op,
 			       const struct of_device_id *match)
 {
 	regs = of_ioremap(&op->resource[0], 0,
@@ -89,7 +89,7 @@ static struct of_platform_driver pmc_driver = {
 
 static int __init pmc_init(void)
 {
-	return of_register_driver(&pmc_driver, &of_bus_type);
+	return of_register_platform_driver(&pmc_driver);
 }
 
 /* This driver is not critical to the boot process
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index 168d4cb63f5b..2c59f4d387dd 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -33,10 +33,10 @@ static int __devinit has_button_interrupt(unsigned int irq, struct device_node *
 	return 1;
 }
 
-static int __devinit power_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit power_probe(struct platform_device *op, const struct of_device_id *match)
 {
 	struct resource *res = &op->resource[0];
-	unsigned int irq= op->irqs[0];
+	unsigned int irq = op->archdata.irqs[0];
 
 	power_reg = of_ioremap(res, 0, 0x4, "power");
 
@@ -70,7 +70,7 @@ static struct of_platform_driver power_driver = {
 
 static int __init power_init(void)
 {
-	return of_register_driver(&power_driver, &of_platform_bus_type);
+	return of_register_platform_driver(&power_driver);
 }
 
 device_initcall(power_init);
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index a8591ef2636d..eeb04a782ec8 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -9,14 +9,6 @@ extern void irq_trans_init(struct device_node *dp);
 
 extern unsigned int prom_unique_id;
 
-static inline int is_root_node(const struct device_node *dp)
-{
-	if (!dp)
-		return 0;
-
-	return (dp->parent == NULL);
-}
-
 extern char *build_path_component(struct device_node *dp);
 extern void of_console_init(void);
 
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index fb06ac2bd38f..86597d9867fd 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -20,8 +20,8 @@
 #include <linux/string.h>
 #include <linux/mm.h>
 #include <linux/module.h>
-#include <linux/lmb.h>
-#include <linux/of_device.h>
+#include <linux/memblock.h>
+#include <linux/of.h>
 
 #include <asm/prom.h>
 #include <asm/oplib.h>
@@ -34,7 +34,7 @@
 
 void * __init prom_early_alloc(unsigned long size)
 {
-	unsigned long paddr = lmb_alloc(size, SMP_CACHE_BYTES);
+	unsigned long paddr = memblock_alloc(size, SMP_CACHE_BYTES);
 	void *ret;
 
 	if (!paddr) {
@@ -81,7 +81,7 @@ static void __init sun4v_path_component(struct device_node *dp, char *tmp_buf)
 		return;
 
 	regs = rprop->value;
-	if (!is_root_node(dp->parent)) {
+	if (!of_node_is_root(dp->parent)) {
 		sprintf(tmp_buf, "%s@%x,%x",
 			dp->name,
 			(unsigned int) (regs->phys_addr >> 32UL),
@@ -121,7 +121,7 @@ static void __init sun4u_path_component(struct device_node *dp, char *tmp_buf)
 		return;
 
 	regs = prop->value;
-	if (!is_root_node(dp->parent)) {
+	if (!of_node_is_root(dp->parent)) {
 		sprintf(tmp_buf, "%s@%x,%x",
 			dp->name,
 			(unsigned int) (regs->phys_addr >> 32UL),
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index 57ac9e28be0c..1f830da2ddf2 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -244,7 +244,7 @@ char * __init build_full_name(struct device_node *dp)
 
 	n = prom_early_alloc(len);
 	strcpy(n, dp->parent->full_name);
-	if (!is_root_node(dp->parent)) {
+	if (!of_node_is_root(dp->parent)) {
 		strcpy(n + plen, "/");
 		plen++;
 	}
diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c
index 5702ad4710cb..ce651147fabc 100644
--- a/arch/sparc/kernel/prom_irqtrans.c
+++ b/arch/sparc/kernel/prom_irqtrans.c
@@ -719,7 +719,7 @@ static unsigned int central_build_irq(struct device_node *dp,
 				      void *_data)
 {
 	struct device_node *central_dp = _data;
-	struct of_device *central_op = of_find_device_by_node(central_dp);
+	struct platform_device *central_op = of_find_device_by_node(central_dp);
 	struct resource *res;
 	unsigned long imap, iclr;
 	u32 tmp;
diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c
index 3f34ac853931..fe2af66bb198 100644
--- a/arch/sparc/kernel/psycho_common.c
+++ b/arch/sparc/kernel/psycho_common.c
@@ -447,7 +447,7 @@ int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
 
 }
 
-void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct of_device *op,
+void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct platform_device *op,
 			    const char *chip_name, int chip_type)
 {
 	struct device_node *dp = op->dev.of_node;
diff --git a/arch/sparc/kernel/psycho_common.h b/arch/sparc/kernel/psycho_common.h
index 092c278ef28d..590b4ed8ab5e 100644
--- a/arch/sparc/kernel/psycho_common.h
+++ b/arch/sparc/kernel/psycho_common.h
@@ -42,7 +42,7 @@ extern int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
 			     unsigned long write_complete_offset);
 
 extern void psycho_pbm_init_common(struct pci_pbm_info *pbm,
-				   struct of_device *op,
+				   struct platform_device *op,
 				   const char *chip_name, int chip_type);
 
 #endif /* _PSYCHO_COMMON_H */
diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c
index cfeaf04b9cdf..2ca32d13abcf 100644
--- a/arch/sparc/kernel/sbus.c
+++ b/arch/sparc/kernel/sbus.c
@@ -57,7 +57,7 @@
 void sbus_set_sbus64(struct device *dev, int bursts)
 {
 	struct iommu *iommu = dev->archdata.iommu;
-	struct of_device *op = to_of_device(dev);
+	struct platform_device *op = to_platform_device(dev);
 	const struct linux_prom_registers *regs;
 	unsigned long cfg_reg;
 	int slot;
@@ -204,7 +204,7 @@ static unsigned long sysio_imap_to_iclr(unsigned long imap)
 	return imap + diff;
 }
 
-static unsigned int sbus_build_irq(struct of_device *op, unsigned int ino)
+static unsigned int sbus_build_irq(struct platform_device *op, unsigned int ino)
 {
 	struct iommu *iommu = op->dev.archdata.iommu;
 	unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
@@ -267,7 +267,7 @@ static unsigned int sbus_build_irq(struct of_device *op, unsigned int ino)
 #define  SYSIO_UEAFSR_RESV2 0x0000001fffffffffUL /* Reserved                  */
 static irqreturn_t sysio_ue_handler(int irq, void *dev_id)
 {
-	struct of_device *op = dev_id;
+	struct platform_device *op = dev_id;
 	struct iommu *iommu = op->dev.archdata.iommu;
 	unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
 	unsigned long afsr_reg, afar_reg;
@@ -341,7 +341,7 @@ static irqreturn_t sysio_ue_handler(int irq, void *dev_id)
 #define  SYSIO_CEAFSR_RESV2 0x0000001fffffffffUL /* Reserved                  */
 static irqreturn_t sysio_ce_handler(int irq, void *dev_id)
 {
-	struct of_device *op = dev_id;
+	struct platform_device *op = dev_id;
 	struct iommu *iommu = op->dev.archdata.iommu;
 	unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
 	unsigned long afsr_reg, afar_reg;
@@ -420,7 +420,7 @@ static irqreturn_t sysio_ce_handler(int irq, void *dev_id)
 #define  SYSIO_SBAFSR_RESV3 0x0000001fffffffffUL /* Reserved                  */
 static irqreturn_t sysio_sbus_error_handler(int irq, void *dev_id)
 {
-	struct of_device *op = dev_id;
+	struct platform_device *op = dev_id;
 	struct iommu *iommu = op->dev.archdata.iommu;
 	unsigned long afsr_reg, afar_reg, reg_base;
 	unsigned long afsr, afar, error_bits;
@@ -488,7 +488,7 @@ static irqreturn_t sysio_sbus_error_handler(int irq, void *dev_id)
 #define SYSIO_CE_INO		0x35
 #define SYSIO_SBUSERR_INO	0x36
 
-static void __init sysio_register_error_handlers(struct of_device *op)
+static void __init sysio_register_error_handlers(struct platform_device *op)
 {
 	struct iommu *iommu = op->dev.archdata.iommu;
 	unsigned long reg_base = iommu->write_complete_reg - 0x2000UL;
@@ -534,7 +534,7 @@ static void __init sysio_register_error_handlers(struct of_device *op)
 }
 
 /* Boot time initialization. */
-static void __init sbus_iommu_init(struct of_device *op)
+static void __init sbus_iommu_init(struct platform_device *op)
 {
 	const struct linux_prom64_registers *pr;
 	struct device_node *dp = op->dev.of_node;
@@ -663,7 +663,7 @@ static int __init sbus_init(void)
 	struct device_node *dp;
 
 	for_each_node_by_name(dp, "sbus") {
-		struct of_device *op = of_find_device_by_node(dp);
+		struct platform_device *op = of_find_device_by_node(dp);
 
 		sbus_iommu_init(op);
 		of_propagate_archdata(op);
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index ab036a72de5a..e11b4612dabb 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -183,7 +183,7 @@ void sun4d_free_irq(unsigned int irq, void *dev_id)
 		goto out_unlock;
 	}
 	
-	if (action && tmp)
+	if (tmp)
 		tmp->next = action->next;
 	else
 		*actionp = action->next;
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index e404b063be2c..9c743b1886ff 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -142,7 +142,7 @@ static struct platform_device m48t59_rtc = {
 	},
 };
 
-static int __devinit clock_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit clock_probe(struct platform_device *op, const struct of_device_id *match)
 {
 	struct device_node *dp = op->dev.of_node;
 	const char *model = of_get_property(dp, "model", NULL);
@@ -189,7 +189,7 @@ static struct of_platform_driver clock_driver = {
 /* Probe for the mostek real time clock chip. */
 static int __init clock_init(void)
 {
-	return of_register_driver(&clock_driver, &of_platform_bus_type);
+	return of_register_platform_driver(&clock_driver);
 }
 /* Must be after subsys_initcall() so that busses are probed.  Must
  * be before device_initcall() because things like the RTC driver
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 21e9fcae0668..3bc9c9979b92 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -419,7 +419,7 @@ static struct platform_device rtc_cmos_device = {
 	.num_resources	= 1,
 };
 
-static int __devinit rtc_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit rtc_probe(struct platform_device *op, const struct of_device_id *match)
 {
 	struct resource *r;
 
@@ -477,7 +477,7 @@ static struct platform_device rtc_bq4802_device = {
 	.num_resources	= 1,
 };
 
-static int __devinit bq4802_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit bq4802_probe(struct platform_device *op, const struct of_device_id *match)
 {
 
 	printk(KERN_INFO "%s: BQ4802 regs at 0x%llx\n",
@@ -534,7 +534,7 @@ static struct platform_device m48t59_rtc = {
 	},
 };
 
-static int __devinit mostek_probe(struct of_device *op, const struct of_device_id *match)
+static int __devinit mostek_probe(struct platform_device *op, const struct of_device_id *match)
 {
 	struct device_node *dp = op->dev.of_node;
 
@@ -586,9 +586,9 @@ static int __init clock_init(void)
 	if (tlb_type == hypervisor)
 		return platform_device_register(&rtc_sun4v_device);
 
-	(void) of_register_driver(&rtc_driver, &of_platform_bus_type);
-	(void) of_register_driver(&mostek_driver, &of_platform_bus_type);
-	(void) of_register_driver(&bq4802_driver, &of_platform_bus_type);
+	(void) of_register_platform_driver(&rtc_driver);
+	(void) of_register_platform_driver(&mostek_driver);
+	(void) of_register_platform_driver(&bq4802_driver);
 
 	return 0;
 }
diff --git a/arch/sparc/kernel/ttable.S b/arch/sparc/kernel/ttable.S
index 76d837fc47d3..c6dfdaa29e20 100644
--- a/arch/sparc/kernel/ttable.S
+++ b/arch/sparc/kernel/ttable.S
@@ -64,7 +64,7 @@ tl0_irq6:	TRAP_IRQ(smp_call_function_single_client, 6)
 tl0_irq6:	BTRAP(0x46)
 #endif
 tl0_irq7:	TRAP_IRQ(deferred_pcr_work_irq, 7)
-#ifdef CONFIG_KGDB
+#if defined(CONFIG_KGDB) && defined(CONFIG_SMP)
 tl0_irq8:	TRAP_IRQ(smp_kgdb_capture_client, 8)
 #else
 tl0_irq8:	BTRAP(0x48)
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index b2831dc3c121..f0434513df15 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -23,7 +23,7 @@
 #include <linux/cache.h>
 #include <linux/sort.h>
 #include <linux/percpu.h>
-#include <linux/lmb.h>
+#include <linux/memblock.h>
 #include <linux/mmzone.h>
 #include <linux/gfp.h>
 
@@ -726,7 +726,7 @@ static void __init find_ramdisk(unsigned long phys_base)
 		initrd_start = ramdisk_image;
 		initrd_end = ramdisk_image + sparc_ramdisk_size;
 
-		lmb_reserve(initrd_start, sparc_ramdisk_size);
+		memblock_reserve(initrd_start, sparc_ramdisk_size);
 
 		initrd_start += PAGE_OFFSET;
 		initrd_end += PAGE_OFFSET;
@@ -822,7 +822,7 @@ static void __init allocate_node_data(int nid)
 	struct pglist_data *p;
 
 #ifdef CONFIG_NEED_MULTIPLE_NODES
-	paddr = lmb_alloc_nid(sizeof(struct pglist_data),
+	paddr = memblock_alloc_nid(sizeof(struct pglist_data),
 			      SMP_CACHE_BYTES, nid, nid_range);
 	if (!paddr) {
 		prom_printf("Cannot allocate pglist_data for nid[%d]\n", nid);
@@ -843,7 +843,7 @@ static void __init allocate_node_data(int nid)
 	if (p->node_spanned_pages) {
 		num_pages = bootmem_bootmap_pages(p->node_spanned_pages);
 
-		paddr = lmb_alloc_nid(num_pages << PAGE_SHIFT, PAGE_SIZE, nid,
+		paddr = memblock_alloc_nid(num_pages << PAGE_SHIFT, PAGE_SIZE, nid,
 				      nid_range);
 		if (!paddr) {
 			prom_printf("Cannot allocate bootmap for nid[%d]\n",
@@ -974,11 +974,11 @@ static void __init add_node_ranges(void)
 {
 	int i;
 
-	for (i = 0; i < lmb.memory.cnt; i++) {
-		unsigned long size = lmb_size_bytes(&lmb.memory, i);
+	for (i = 0; i < memblock.memory.cnt; i++) {
+		unsigned long size = memblock_size_bytes(&memblock.memory, i);
 		unsigned long start, end;
 
-		start = lmb.memory.region[i].base;
+		start = memblock.memory.region[i].base;
 		end = start + size;
 		while (start < end) {
 			unsigned long this_end;
@@ -1010,7 +1010,7 @@ static int __init grab_mlgroups(struct mdesc_handle *md)
 	if (!count)
 		return -ENOENT;
 
-	paddr = lmb_alloc(count * sizeof(struct mdesc_mlgroup),
+	paddr = memblock_alloc(count * sizeof(struct mdesc_mlgroup),
 			  SMP_CACHE_BYTES);
 	if (!paddr)
 		return -ENOMEM;
@@ -1051,7 +1051,7 @@ static int __init grab_mblocks(struct mdesc_handle *md)
 	if (!count)
 		return -ENOENT;
 
-	paddr = lmb_alloc(count * sizeof(struct mdesc_mblock),
+	paddr = memblock_alloc(count * sizeof(struct mdesc_mblock),
 			  SMP_CACHE_BYTES);
 	if (!paddr)
 		return -ENOMEM;
@@ -1279,8 +1279,8 @@ static int bootmem_init_numa(void)
 
 static void __init bootmem_init_nonnuma(void)
 {
-	unsigned long top_of_ram = lmb_end_of_DRAM();
-	unsigned long total_ram = lmb_phys_mem_size();
+	unsigned long top_of_ram = memblock_end_of_DRAM();
+	unsigned long total_ram = memblock_phys_mem_size();
 	unsigned int i;
 
 	numadbg("bootmem_init_nonnuma()\n");
@@ -1292,15 +1292,15 @@ static void __init bootmem_init_nonnuma(void)
 
 	init_node_masks_nonnuma();
 
-	for (i = 0; i < lmb.memory.cnt; i++) {
-		unsigned long size = lmb_size_bytes(&lmb.memory, i);
+	for (i = 0; i < memblock.memory.cnt; i++) {
+		unsigned long size = memblock_size_bytes(&memblock.memory, i);
 		unsigned long start_pfn, end_pfn;
 
 		if (!size)
 			continue;
 
-		start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
-		end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+		start_pfn = memblock.memory.region[i].base >> PAGE_SHIFT;
+		end_pfn = start_pfn + memblock_size_pages(&memblock.memory, i);
 		add_active_range(0, start_pfn, end_pfn);
 	}
 
@@ -1338,9 +1338,9 @@ static void __init trim_reserved_in_node(int nid)
 
 	numadbg("  trim_reserved_in_node(%d)\n", nid);
 
-	for (i = 0; i < lmb.reserved.cnt; i++) {
-		unsigned long start = lmb.reserved.region[i].base;
-		unsigned long size = lmb_size_bytes(&lmb.reserved, i);
+	for (i = 0; i < memblock.reserved.cnt; i++) {
+		unsigned long start = memblock.reserved.region[i].base;
+		unsigned long size = memblock_size_bytes(&memblock.reserved, i);
 		unsigned long end = start + size;
 
 		reserve_range_in_node(nid, start, end);
@@ -1384,7 +1384,7 @@ static unsigned long __init bootmem_init(unsigned long phys_base)
 	unsigned long end_pfn;
 	int nid;
 
-	end_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT;
+	end_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
 	max_pfn = max_low_pfn = end_pfn;
 	min_low_pfn = (phys_base >> PAGE_SHIFT);
 
@@ -1734,7 +1734,7 @@ void __init paging_init(void)
 		sun4v_ktsb_init();
 	}
 
-	lmb_init();
+	memblock_init();
 
 	/* Find available physical memory...
 	 *
@@ -1752,17 +1752,17 @@ void __init paging_init(void)
 	phys_base = 0xffffffffffffffffUL;
 	for (i = 0; i < pavail_ents; i++) {
 		phys_base = min(phys_base, pavail[i].phys_addr);
-		lmb_add(pavail[i].phys_addr, pavail[i].reg_size);
+		memblock_add(pavail[i].phys_addr, pavail[i].reg_size);
 	}
 
-	lmb_reserve(kern_base, kern_size);
+	memblock_reserve(kern_base, kern_size);
 
 	find_ramdisk(phys_base);
 
-	lmb_enforce_memory_limit(cmdline_memory_size);
+	memblock_enforce_memory_limit(cmdline_memory_size);
 
-	lmb_analyze();
-	lmb_dump_all();
+	memblock_analyze();
+	memblock_dump_all();
 
 	set_bit(0, mmu_context_bmap);
 
@@ -1816,8 +1816,8 @@ void __init paging_init(void)
 	 */
 	for_each_possible_cpu(i) {
 		/* XXX Use node local allocations... XXX */
-		softirq_stack[i] = __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE));
-		hardirq_stack[i] = __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE));
+		softirq_stack[i] = __va(memblock_alloc(THREAD_SIZE, THREAD_SIZE));
+		hardirq_stack[i] = __va(memblock_alloc(THREAD_SIZE, THREAD_SIZE));
 	}
 
 	/* Setup bootmem... */
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 005e758a4db7..fc58c3e917df 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -35,7 +35,7 @@
 #define IOPERM        (IOUPTE_CACHE | IOUPTE_WRITE | IOUPTE_VALID)
 #define MKIOPTE(phys) __iopte((((phys)>>4) & IOUPTE_PAGE) | IOPERM)
 
-static void __init iounit_iommu_init(struct of_device *op)
+static void __init iounit_iommu_init(struct platform_device *op)
 {
 	struct iounit_struct *iounit;
 	iopte_t *xpt, *xptend;
@@ -74,7 +74,7 @@ static int __init iounit_init(void)
 	struct device_node *dp;
 
 	for_each_node_by_name(dp, "sbi") {
-		struct of_device *op = of_find_device_by_node(dp);
+		struct platform_device *op = of_find_device_by_node(dp);
 
 		iounit_iommu_init(op);
 		of_propagate_archdata(op);
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index b2e6e73888b5..07fc6a65d9b6 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -56,14 +56,14 @@ static pgprot_t dvma_prot;		/* Consistent mapping pte flags */
 #define IOPERM        (IOPTE_CACHE | IOPTE_WRITE | IOPTE_VALID)
 #define MKIOPTE(pfn, perm) (((((pfn)<<8) & IOPTE_PAGE) | (perm)) & ~IOPTE_WAZ)
 
-static void __init sbus_iommu_init(struct of_device *op)
+static void __init sbus_iommu_init(struct platform_device *op)
 {
 	struct iommu_struct *iommu;
 	unsigned int impl, vers;
 	unsigned long *bitmap;
 	unsigned long tmp;
 
-	iommu = kmalloc(sizeof(struct iommu_struct), GFP_ATOMIC);
+	iommu = kmalloc(sizeof(struct iommu_struct), GFP_KERNEL);
 	if (!iommu) {
 		prom_printf("Unable to allocate iommu structure\n");
 		prom_halt();
@@ -132,7 +132,7 @@ static int __init iommu_init(void)
 	struct device_node *dp;
 
 	for_each_node_by_name(dp, "iommu") {
-		struct of_device *op = of_find_device_by_node(dp);
+		struct platform_device *op = of_find_device_by_node(dp);
 
 		sbus_iommu_init(op);
 		of_propagate_archdata(op);
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index f5f75a58e0b3..b0b43aa5e45a 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -2215,8 +2215,6 @@ void __init ld_mmu_srmmu(void)
 	BTFIXUPSET_CALL(pmd_page, srmmu_pmd_page, BTFIXUPCALL_NORM);
 	BTFIXUPSET_CALL(pgd_page_vaddr, srmmu_pgd_page, BTFIXUPCALL_NORM);
 
-	BTFIXUPSET_SETHI(none_mask, 0xF0000000);
-
 	BTFIXUPSET_CALL(pte_present, srmmu_pte_present, BTFIXUPCALL_NORM);
 	BTFIXUPSET_CALL(pte_clear, srmmu_pte_clear, BTFIXUPCALL_SWAPO0G0);
 
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index cf38846753dd..4289f90f8697 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -2087,9 +2087,6 @@ void __init ld_mmu_sun4c(void)
 
 	BTFIXUPSET_CALL(set_pte, sun4c_set_pte, BTFIXUPCALL_STO1O0);
 
-	/* The 2.4.18 code does not set this on sun4c, how does it work? XXX */
-	/* BTFIXUPSET_SETHI(none_mask, 0x00000000); */	/* Defaults to zero? */
-
 	BTFIXUPSET_CALL(pte_pfn, sun4c_pte_pfn, BTFIXUPCALL_NORM);
 #if 0 /* PAGE_SHIFT <= 12 */ /* Eek. Investigate. XXX */
 	BTFIXUPSET_CALL(pmd_page, sun4c_pmd_page, BTFIXUPCALL_ANDNINT(PAGE_SIZE - 1));