Merge branch 'master'

60 files changed, 470 insertions, 693 deletions

diff --git a/Documentation/arm/memory.txt b/Documentation/arm/memory.txt
index 4b1c93a8177..dc6045577a8 100644
--- a/Documentation/arm/memory.txt
+++ b/Documentation/arm/memory.txt
@@ -1,7 +1,7 @@
 		Kernel Memory Layout on ARM Linux
 
 		Russell King <rmk@arm.linux.org.uk>
-			May 21, 2004 (2.6.6)
+		     November 17, 2005 (2.6.15)
 
 This document describes the virtual memory layout which the Linux
 kernel uses for ARM processors.  It indicates which regions are
@@ -37,6 +37,8 @@ ff000000	ffbfffff	Reserved for future expansion of DMA
 				mapping region.
 
 VMALLOC_END	feffffff	Free for platform use, recommended.
+				VMALLOC_END must be aligned to a 2MB
+				boundary.
 
 VMALLOC_START	VMALLOC_END-1	vmalloc() / ioremap() space.
 				Memory returned by vmalloc/ioremap will
diff --git a/Makefile b/Makefile
index c3191440095..e7a0443c867 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 15
-EXTRAVERSION =-rc1
+EXTRAVERSION =-rc2
 NAME=Affluent Albatross
 
 # *DOCUMENTATION*
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 7a3261f0bf7..9997098009a 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -120,7 +120,6 @@ EXPORT_SYMBOL(__arch_strncpy_from_user);
 EXPORT_SYMBOL(__get_user_1);
 EXPORT_SYMBOL(__get_user_2);
 EXPORT_SYMBOL(__get_user_4);
-EXPORT_SYMBOL(__get_user_8);
 
 EXPORT_SYMBOL(__put_user_1);
 EXPORT_SYMBOL(__put_user_2);
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 066597f4345..f7f18307523 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -48,8 +48,7 @@ work_pending:
 	mov	r0, sp				@ 'regs'
 	mov	r2, why				@ 'syscall'
 	bl	do_notify_resume
-	disable_irq				@ disable interrupts
-	b	no_work_pending
+	b	ret_slow_syscall		@ Check work again
 
 work_resched:
 	bl	schedule
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index a917e3dd366..765922bcf9e 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -595,23 +595,22 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
 	 */
 	ret |= !valid_user_regs(regs);
 
-	/*
-	 * Block the signal if we were unsuccessful.
-	 */
 	if (ret != 0) {
-		spin_lock_irq(&tsk->sighand->siglock);
-		sigorsets(&tsk->blocked, &tsk->blocked,
-			  &ka->sa.sa_mask);
-		if (!(ka->sa.sa_flags & SA_NODEFER))
-			sigaddset(&tsk->blocked, sig);
-		recalc_sigpending();
-		spin_unlock_irq(&tsk->sighand->siglock);
+		force_sigsegv(sig, tsk);
+		return;
 	}
 
-	if (ret == 0)
-		return;
+	/*
+	 * Block the signal if we were successful.
+	 */
+	spin_lock_irq(&tsk->sighand->siglock);
+	sigorsets(&tsk->blocked, &tsk->blocked,
+		  &ka->sa.sa_mask);
+	if (!(ka->sa.sa_flags & SA_NODEFER))
+		sigaddset(&tsk->blocked, sig);
+	recalc_sigpending();
+	spin_unlock_irq(&tsk->sighand->siglock);
 
-	force_sigsegv(sig, tsk);
 }
 
 /*
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 80c8e4c8cef..9a47770114d 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -172,6 +172,10 @@ SECTIONS
 	.comment 0 : { *(.comment) }
 }
 
-/* those must never be empty */
+/*
+ * These must never be empty
+ * If you have to comment these two assert statements out, your
+ * binutils is too old (for other reasons as well)
+ */
 ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
 ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")
diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S
index d204018070a..c03ea8e666b 100644
--- a/arch/arm/lib/getuser.S
+++ b/arch/arm/lib/getuser.S
@@ -54,15 +54,6 @@ __get_user_4:
 	mov	r0, #0
 	mov	pc, lr
 
-	.global	__get_user_8
-__get_user_8:
-5:	ldrt	r2, [r0], #4
-6:	ldrt	r3, [r0]
-	mov	r0, #0
-	mov	pc, lr
-
-__get_user_bad_8:
-	mov	r3, #0
 __get_user_bad:
 	mov	r2, #0
 	mov	r0, #-EFAULT
@@ -73,6 +64,4 @@ __get_user_bad:
 	.long	2b, __get_user_bad
 	.long	3b, __get_user_bad
 	.long	4b, __get_user_bad
-	.long	5b, __get_user_bad_8
-	.long	6b, __get_user_bad_8
 .previous
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 59f47d4c2df..ffe73ba2bf1 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -51,4 +51,4 @@ obj-$(CONFIG_CPU_ARM1026)	+= proc-arm1026.o
 obj-$(CONFIG_CPU_SA110)		+= proc-sa110.o
 obj-$(CONFIG_CPU_SA1100)	+= proc-sa1100.o
 obj-$(CONFIG_CPU_XSCALE)	+= proc-xscale.o
-obj-$(CONFIG_CPU_V6)		+= proc-v6.o blockops.o
+obj-$(CONFIG_CPU_V6)		+= proc-v6.o
diff --git a/arch/arm/mm/blockops.c b/arch/arm/mm/blockops.c
deleted file mode 100644
index 4f5ee2d0899..00000000000
--- a/arch/arm/mm/blockops.c
+++ /dev/null
@@ -1,185 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/mm.h>
-
-#include <asm/memory.h>
-#include <asm/ptrace.h>
-#include <asm/cacheflush.h>
-#include <asm/traps.h>
-
-extern struct cpu_cache_fns blk_cache_fns;
-
-#define HARVARD_CACHE
-
-/*
- *	blk_flush_kern_dcache_page(kaddr)
- *
- *	Ensure that the data held in the page kaddr is written back
- *	to the page in question.
- *
- *	- kaddr   - kernel address (guaranteed to be page aligned)
- */
-static void __attribute__((naked))
-blk_flush_kern_dcache_page(void *kaddr)
-{
-	asm(
-	"add	r1, r0, %0							\n\
-	sub	r1, r1, %1							\n\
-1:	.word	0xec401f0e	@ mcrr	p15, 0, r0, r1, c14, 0	@ blocking	\n\
-	mov	r0, #0								\n\
-	mcr	p15, 0, r0, c7, c5, 0						\n\
-	mcr	p15, 0, r0, c7, c10, 4						\n\
-	mov	pc, lr"
-	:
-	: "I" (PAGE_SIZE), "I" (L1_CACHE_BYTES));
-}
-
-/*
- *	blk_dma_inv_range(start,end)
- *
- *	Invalidate the data cache within the specified region; we will
- *	be performing a DMA operation in this region and we want to
- *	purge old data in the cache.
- *
- *	- start   - virtual start address of region
- *	- end     - virtual end address of region
- */
-static void __attribute__((naked))
-blk_dma_inv_range_unified(unsigned long start, unsigned long end)
-{
-	asm(
-	"tst	r0, %0								\n\
-	mcrne	p15, 0, r0, c7, c11, 1		@ clean unified line		\n\
-	tst	r1, %0								\n\
-	mcrne	p15, 0, r1, c7, c15, 1		@ clean & invalidate unified line\n\
-	.word	0xec401f06	@ mcrr	p15, 0, r1, r0, c6, 0	@ blocking	\n\
-	mov	r0, #0								\n\
-	mcr	p15, 0, r0, c7, c10, 4		@ drain write buffer		\n\
-	mov	pc, lr"
-	:
-	: "I" (L1_CACHE_BYTES - 1));
-}
-
-static void __attribute__((naked))
-blk_dma_inv_range_harvard(unsigned long start, unsigned long end)
-{
-	asm(
-	"tst	r0, %0								\n\
-	mcrne	p15, 0, r0, c7, c10, 1		@ clean D line			\n\
-	tst	r1, %0								\n\
-	mcrne	p15, 0, r1, c7, c14, 1		@ clean & invalidate D line	\n\
-	.word	0xec401f06	@ mcrr	p15, 0, r1, r0, c6, 0	@ blocking	\n\
-	mov	r0, #0								\n\
-	mcr	p15, 0, r0, c7, c10, 4		@ drain write buffer		\n\
-	mov	pc, lr"
-	:
-	: "I" (L1_CACHE_BYTES - 1));
-}
-
-/*
- *	blk_dma_clean_range(start,end)
- *	- start   - virtual start address of region
- *	- end     - virtual end address of region
- */
-static void __attribute__((naked))
-blk_dma_clean_range(unsigned long start, unsigned long end)
-{
-	asm(
-	".word	0xec401f0c	@ mcrr	p15, 0, r1, r0, c12, 0	@ blocking	\n\
-	mov	r0, #0								\n\
-	mcr	p15, 0, r0, c7, c10, 4		@ drain write buffer		\n\
-	mov	pc, lr");
-}
-
-/*
- *	blk_dma_flush_range(start,end)
- *	- start   - virtual start address of region
- *	- end     - virtual end address of region
- */
-static void __attribute__((naked))
-blk_dma_flush_range(unsigned long start, unsigned long end)
-{
-	asm(
-	".word	0xec401f0e	@ mcrr	p15, 0, r1, r0, c14, 0	@ blocking	\n\
-	mov	pc, lr");
-}
-
-static int blockops_trap(struct pt_regs *regs, unsigned int instr)
-{
-	regs->ARM_r4 |= regs->ARM_r2;
-	regs->ARM_pc += 4;
-	return 0;
-}
-
-static char *func[] = {
-	"Prefetch data range",
-	"Clean+Invalidate data range",
-	"Clean data range",
-	"Invalidate data range",
-	"Invalidate instr range"
-};
-
-static struct undef_hook blockops_hook __initdata = {
-	.instr_mask	= 0x0fffffd0,
-	.instr_val	= 0x0c401f00,
-	.cpsr_mask	= PSR_T_BIT,
-	.cpsr_val	= 0,
-	.fn		= blockops_trap,
-};
-
-static int __init blockops_check(void)
-{
-	register unsigned int err asm("r4") = 0;
-	unsigned int err_pos = 1;
-	unsigned int cache_type;
-	int i;
-
-	asm("mrc p15, 0, %0, c0, c0, 1" : "=r" (cache_type));
-
-	printk("Checking V6 block cache operations:\n");
-	register_undef_hook(&blockops_hook);
-
-	__asm__ ("mov	r0, %0\n\t"
-		"mov	r1, %1\n\t"
-		"mov	r2, #1\n\t"
-		".word	0xec401f2c @ mcrr p15, 0, r1, r0, c12, 2\n\t"
-		"mov	r2, #2\n\t"
-		".word	0xec401f0e @ mcrr p15, 0, r1, r0, c14, 0\n\t"
-		"mov	r2, #4\n\t"
-		".word	0xec401f0c @ mcrr p15, 0, r1, r0, c12, 0\n\t"
-		"mov	r2, #8\n\t"
-		".word	0xec401f06 @ mcrr p15, 0, r1, r0, c6, 0\n\t"
-		"mov	r2, #16\n\t"
-		".word	0xec401f05 @ mcrr p15, 0, r1, r0, c5, 0\n\t"
-		:
-		: "r" (PAGE_OFFSET), "r" (PAGE_OFFSET + 128)
-		: "r0", "r1", "r2");
-
-	unregister_undef_hook(&blockops_hook);
-
-	for (i = 0; i < ARRAY_SIZE(func); i++, err_pos <<= 1)
-		printk("%30s: %ssupported\n", func[i], err & err_pos ? "not " : "");
-
-	if ((err & 8) == 0) {
-		printk(" --> Using %s block cache invalidate\n",
-			cache_type & (1 << 24) ? "harvard" : "unified");
-		if (cache_type & (1 << 24))
-			cpu_cache.dma_inv_range = blk_dma_inv_range_harvard;
-		else
-			cpu_cache.dma_inv_range = blk_dma_inv_range_unified;
-	}
-	if ((err & 4) == 0) {
-		printk(" --> Using block cache clean\n");
-		cpu_cache.dma_clean_range        = blk_dma_clean_range;
-	}
-	if ((err & 2) == 0) {
-		printk(" --> Using block cache clean+invalidate\n");
-		cpu_cache.dma_flush_range        = blk_dma_flush_range;
-		cpu_cache.flush_kern_dcache_page = blk_flush_kern_dcache_page;
-	}
-
-	return 0;
-}
-
-__initcall(blockops_check);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index c168f322ef8..8b276ee38ac 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -420,7 +420,8 @@ static void __init bootmem_init(struct meminfo *mi)
  * Set up device the mappings.  Since we clear out the page tables for all
  * mappings above VMALLOC_END, we will remove any debug device mappings.
  * This means you have to be careful how you debug this function, or any
- * called function.  (Do it by code inspection!)
+ * called function.  This means you can't use any function or debugging
+ * method which may touch any device, otherwise the kernel _will_ crash.
  */
 static void __init devicemaps_init(struct machine_desc *mdesc)
 {
@@ -428,6 +429,12 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
 	unsigned long addr;
 	void *vectors;
 
+	/*
+	 * Allocate the vector page early.
+	 */
+	vectors = alloc_bootmem_low_pages(PAGE_SIZE);
+	BUG_ON(!vectors);
+
 	for (addr = VMALLOC_END; addr; addr += PGDIR_SIZE)
 		pmd_clear(pmd_off_k(addr));
 
@@ -461,12 +468,6 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
 	create_mapping(&map);
 #endif
 
-	flush_cache_all();
-	local_flush_tlb_all();
-
-	vectors = alloc_bootmem_low_pages(PAGE_SIZE);
-	BUG_ON(!vectors);
-
 	/*
 	 * Create a mapping for the machine vectors at the high-vectors
 	 * location (0xffff0000).  If we aren't using high-vectors, also
@@ -491,12 +492,13 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
 		mdesc->map_io();
 
 	/*
-	 * Finally flush the tlb again - this ensures that we're in a
-	 * consistent state wrt the writebuffer if the writebuffer needs
-	 * draining.  After this point, we can start to touch devices
-	 * again.
+	 * Finally flush the caches and tlb to ensure that we're in a
+	 * consistent state wrt the writebuffer.  This also ensures that
+	 * any write-allocated cache lines in the vector page are written
+	 * back.  After this point, we can start to touch devices again.
 	 */
 	local_flush_tlb_all();
+	flush_cache_all();
 }
 
 /*
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 0f128c28fee..10901398e4a 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -130,8 +130,7 @@ remap_area_pages(unsigned long start, unsigned long phys_addr,
  * mapping.  See include/asm-arm/proc-armv/pgtable.h for more information.
  */
 void __iomem *
-__ioremap(unsigned long phys_addr, size_t size, unsigned long flags,
-	  unsigned long align)
+__ioremap(unsigned long phys_addr, size_t size, unsigned long flags)
 {
 	void * addr;
 	struct vm_struct * area;
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 5a5b2468508..8b6008ab217 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -40,7 +40,7 @@
 #endif
 
 unsigned long pci_probe_only = 1;
-unsigned long pci_assign_all_buses = 0;
+int pci_assign_all_buses = 0;
 
 /*
  * legal IO pages under MAX_ISA_PORT.  This is to ensure we don't touch
@@ -55,11 +55,6 @@ static void fixup_resource(struct resource *res, struct pci_dev *dev);
 static void do_bus_setup(struct pci_bus *bus);
 #endif
 
-unsigned int pcibios_assign_all_busses(void)
-{
-	return pci_assign_all_buses;
-}
-
 /* pci_io_base -- the base address from which io bars are offsets.
  * This is the lowest I/O base address (so bar values are always positive),
  * and it *must* be the start of ISA space if an ISA bus exists because
@@ -1186,17 +1181,6 @@ void phbs_remap_io(void)
 		remap_bus_range(hose->bus);
 }
 
-/*
- * ppc64 can have multifunction devices that do not respond to function 0.
- * In this case we must scan all functions.
- * XXX this can go now, we use the OF device tree in all the
- * cases that caused problems. -- paulus
- */
-int pcibios_scan_all_fns(struct pci_bus *bus, int devfn)
-{
-       return 0;
-}
-
 static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev)
 {
 	struct pci_controller *hose = pci_bus_to_host(dev->bus);
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 59846b40d52..af4d1bc9a2e 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -146,9 +146,6 @@ EXPORT_SYMBOL(pci_bus_io_base);
 EXPORT_SYMBOL(pci_bus_io_base_phys);
 EXPORT_SYMBOL(pci_bus_mem_base_phys);
 EXPORT_SYMBOL(pci_bus_to_hose);
-EXPORT_SYMBOL(pci_resource_to_bus);
-EXPORT_SYMBOL(pci_phys_to_bus);
-EXPORT_SYMBOL(pci_bus_to_phys);
 #endif /* CONFIG_PCI */
 
 #ifdef CONFIG_NOT_COHERENT_CACHE
diff --git a/include/asm-ppc64/ptrace-common.h b/arch/powerpc/kernel/ptrace-common.h
index b1babb72967..b1babb72967 100644
--- a/include/asm-ppc64/ptrace-common.h
+++ b/arch/powerpc/kernel/ptrace-common.h
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 3d2abd95c7a..400793c7130 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -36,8 +36,9 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
+
 #ifdef CONFIG_PPC64
-#include <asm/ptrace-common.h>
+#include "ptrace-common.h"
 #endif
 
 #ifdef CONFIG_PPC32
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index 91eb952e029..61762640b87 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -33,7 +33,8 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/system.h>
-#include <asm/ptrace-common.h>
+
+#include "ptrace-common.h"
 
 /*
  * does not yet catch signals sent when the child dies.
diff --git a/arch/powerpc/mm/imalloc.c b/arch/powerpc/mm/imalloc.c
index f4ca29cf536..f9587bcc6a4 100644
--- a/arch/powerpc/mm/imalloc.c
+++ b/arch/powerpc/mm/imalloc.c
@@ -14,9 +14,10 @@
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm/semaphore.h>
-#include <asm/imalloc.h>
 #include <asm/cacheflush.h>
 
+#include "mmu_decl.h"
+
 static DECLARE_MUTEX(imlist_sem);
 struct vm_struct * imlist = NULL;
 
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 1134f70f231..81cfb0c2ec5 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -64,7 +64,8 @@
 #include <asm/iommu.h>
 #include <asm/abs_addr.h>
 #include <asm/vdso.h>
-#include <asm/imalloc.h>
+
+#include "mmu_decl.h"
 
 #ifdef DEBUG
 #define DBG(fmt...) printk(fmt)
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index a4d7a327c0e..bea2d21ac6f 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -33,7 +33,6 @@ extern void invalidate_tlbcam_entry(int index);
 
 extern int __map_without_bats;
 extern unsigned long ioremap_base;
-extern unsigned long ioremap_bot;
 extern unsigned int rtas_data, rtas_size;
 
 extern PTE *Hash, *Hash_end;
@@ -42,6 +41,7 @@ extern unsigned long Hash_size, Hash_mask;
 extern unsigned int num_tlbcam_entries;
 #endif
 
+extern unsigned long ioremap_bot;
 extern unsigned long __max_low_memory;
 extern unsigned long __initial_memory_limit;
 extern unsigned long total_memory;
@@ -84,4 +84,16 @@ static inline void flush_HPTE(unsigned context, unsigned long va,
 	else
 		_tlbie(va);
 }
+#else /* CONFIG_PPC64 */
+/* imalloc region types */
+#define IM_REGION_UNUSED	0x1
+#define IM_REGION_SUBSET	0x2
+#define IM_REGION_EXISTS	0x4
+#define IM_REGION_OVERLAP	0x8
+#define IM_REGION_SUPERSET	0x10
+
+extern struct vm_struct * im_get_free_area(unsigned long size);
+extern struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
+				      int region_type);
+extern void im_free(void *addr);
 #endif
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index c7f7bb6f30b..2ffca63602c 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -64,7 +64,8 @@
 #include <asm/iommu.h>
 #include <asm/abs_addr.h>
 #include <asm/vdso.h>
-#include <asm/imalloc.h>
+
+#include "mmu_decl.h"
 
 unsigned long ioremap_bot = IMALLOC_BASE;
 static unsigned long phbs_io_bot = PHBS_IO_BASE;
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 957b0910342..fb2a7c798e8 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -34,6 +34,7 @@
 #include <linux/errno.h>
 #include <linux/hardirq.h>
 #include <linux/cpu.h>
+#include <linux/compiler.h>
 
 #include <asm/ptrace.h>
 #include <asm/atomic.h>
@@ -631,8 +632,9 @@ void smp_core99_give_timebase(void)
 	mb();
 
 	/* wait for the secondary to have taken it */
-	for (t = 100000; t > 0 && sec_tb_reset; --t)
-		udelay(10);
+	/* note: can't use udelay here, since it needs the timebase running */
+	for (t = 10000000; t > 0 && sec_tb_reset; --t)
+		barrier();
 	if (sec_tb_reset)
 		/* XXX BUG_ON here? */
 		printk(KERN_WARNING "Timeout waiting sync(2) on second CPU\n");
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 105f05341a4..58d1cc2023c 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -361,7 +361,8 @@ static void mpic_enable_irq(unsigned int irq)
 	DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src);
 
 	mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
-		       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & ~MPIC_VECPRI_MASK);
+		       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) &
+		       ~MPIC_VECPRI_MASK);
 
 	/* make sure mask gets to controller before we return to user */
 	do {
@@ -381,7 +382,8 @@ static void mpic_disable_irq(unsigned int irq)
 	DBG("%s: disable_irq: %d (src %d)\n", mpic->name, irq, src);
 
 	mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
-		       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) | MPIC_VECPRI_MASK);
+		       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) |
+		       MPIC_VECPRI_MASK);
 
 	/* make sure mask gets to controller before we return to user */
 	do {
@@ -735,12 +737,13 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
 
 	spin_lock_irqsave(&mpic_lock, flags);
 	if (is_ipi) {
-		reg = mpic_ipi_read(irq - mpic->ipi_offset) & MPIC_VECPRI_PRIORITY_MASK;
+		reg = mpic_ipi_read(irq - mpic->ipi_offset) &
+			~MPIC_VECPRI_PRIORITY_MASK;
 		mpic_ipi_write(irq - mpic->ipi_offset,
 			       reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
 	} else {
-		reg = mpic_irq_read(irq - mpic->irq_offset, MPIC_IRQ_VECTOR_PRI)
-			& MPIC_VECPRI_PRIORITY_MASK;
+		reg = mpic_irq_read(irq - mpic->irq_offset,MPIC_IRQ_VECTOR_PRI)
+			& ~MPIC_VECPRI_PRIORITY_MASK;
 		mpic_irq_write(irq - mpic->irq_offset, MPIC_IRQ_VECTOR_PRI,
 			       reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
 	}
diff --git a/drivers/i2c/busses/i2c-ixp2000.c b/drivers/i2c/busses/i2c-ixp2000.c
index cef024a7d04..cd6f45d186a 100644
--- a/drivers/i2c/busses/i2c-ixp2000.c
+++ b/drivers/i2c/busses/i2c-ixp2000.c
@@ -36,8 +36,6 @@
 #include <asm/hardware.h>	/* Pick up IXP2000-specific bits */
 #include <asm/arch/gpio.h>
 
-static struct device_driver ixp2000_i2c_driver;
-
 static inline int ixp2000_scl_pin(void *data)
 {
 	return ((struct ixp2000_i2c_pins*)data)->scl_pin;
@@ -120,7 +118,7 @@ static int ixp2000_i2c_probe(struct platform_device *plat_dev)
 	drv_data->algo_data.timeout = 100;
 
 	drv_data->adapter.id = I2C_HW_B_IXP2000,
-	strlcpy(drv_data->adapter.name, ixp2000_i2c_driver.name,
+	strlcpy(drv_data->adapter.name, plat_dev->dev.driver->name,
 		I2C_NAME_SIZE);
 	drv_data->adapter.algo_data = &drv_data->algo_data,
 
@@ -132,7 +130,7 @@ static int ixp2000_i2c_probe(struct platform_device *plat_dev)
 	gpio_line_set(gpio->sda_pin, 0);
 
 	if ((err = i2c_bit_add_bus(&drv_data->adapter)) != 0) {
-		dev_err(dev, "Could not install, error %d\n", err);
+		dev_err(&plat_dev->dev, "Could not install, error %d\n", err);
 		kfree(drv_data);
 		return err;
 	} 
diff --git a/drivers/i2c/busses/i2c-ixp4xx.c b/drivers/i2c/busses/i2c-ixp4xx.c
index f87220be3c8..e422d8b2d4d 100644
--- a/drivers/i2c/busses/i2c-ixp4xx.c
+++ b/drivers/i2c/busses/i2c-ixp4xx.c
@@ -35,8 +35,6 @@
 
 #include <asm/hardware.h>	/* Pick up IXP4xx-specific bits */
 
-static struct platform_driver ixp4xx_i2c_driver;
-
 static inline int ixp4xx_scl_pin(void *data)
 {
 	return ((struct ixp4xx_i2c_pins*)data)->scl_pin;
@@ -128,7 +126,7 @@ static int ixp4xx_i2c_probe(struct platform_device *plat_dev)
 	drv_data->algo_data.timeout = 100;
 
 	drv_data->adapter.id = I2C_HW_B_IXP4XX;
-	strlcpy(drv_data->adapter.name, ixp4xx_i2c_driver.driver.name,
+	strlcpy(drv_data->adapter.name, plat_dev->dev.driver->name,
 		I2C_NAME_SIZE);
 	drv_data->adapter.algo_data = &drv_data->algo_data;
 
@@ -140,8 +138,7 @@ static int ixp4xx_i2c_probe(struct platform_device *plat_dev)
 	gpio_line_set(gpio->sda_pin, 0);
 
 	if ((err = i2c_bit_add_bus(&drv_data->adapter) != 0)) {
-		printk(KERN_ERR "ERROR: Could not install %s\n", 
-				plat_dev->dev.bus_id);
+		printk(KERN_ERR "ERROR: Could not install %s\n", plat_dev->dev.bus_id);
 
 		kfree(drv_data);
 		return err;
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 421b62d900a..9455e42abb2 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -3510,8 +3510,8 @@ static void __exit ide_cdrom_exit(void)
 {
 	driver_unregister(&ide_cdrom_driver.gen_driver);
 }
- 
-static int ide_cdrom_init(void)
+
+static int __init ide_cdrom_init(void)
 {
 	return driver_register(&ide_cdrom_driver.gen_driver);
 }
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 1a45f75dc9b..f4e3d3527b0 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1266,7 +1266,7 @@ static void __exit idedisk_exit (void)
 	driver_unregister(&idedisk_driver.gen_driver);
 }
 
-static int idedisk_init (void)
+static int __init idedisk_init(void)
 {
 	return driver_register(&idedisk_driver.gen_driver);
 }
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 94c147b79a4..9e293c8063d 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -2191,10 +2191,7 @@ static void __exit idefloppy_exit (void)
 	driver_unregister(&idefloppy_driver.gen_driver);
 }
 
-/*
- *	idefloppy_init will register the driver for each floppy.
- */
-static int idefloppy_init (void)
+static int __init idefloppy_init(void)
 {
 	printk("ide-floppy driver " IDEFLOPPY_VERSION "\n");
 	return driver_register(&idefloppy_driver.gen_driver);
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 5275cbb1afe..ecfafcdafea 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1629,12 +1629,6 @@ EXPORT_SYMBOL(ide_init_drive_cmd);
  *	for the new rq to be completed.  This is VERY DANGEROUS, and is
  *	intended for careful use by the ATAPI tape/cdrom driver code.
  *
- *	If action is ide_next, then the rq is queued immediately after
- *	the currently-being-processed-request (if any), and the function
- *	returns without waiting for the new rq to be completed.  As above,
- *	This is VERY DANGEROUS, and is intended for careful use by the
- *	ATAPI tape/cdrom driver code.
- *
  *	If action is ide_end, then the rq is queued at the end of the
  *	request queue, and the function returns immediately without waiting
  *	for the new rq to be completed. This is again intended for careful
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 2069dd693c9..7d7944ed415 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -4916,10 +4916,7 @@ static void __exit idetape_exit (void)
 	unregister_chrdev(IDETAPE_MAJOR, "ht");
 }
 
-/*
- *	idetape_init will register the driver for each tape.
- */
-static int idetape_init (void)
+static int __init idetape_init(void)
 {
 	int error = 1;
 	idetape_sysfs_class = class_create(THIS_MODULE, "ide_tape");
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 54f9639c2a8..62ebefd6394 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -51,8 +51,6 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-#define DEBUG_TASKFILE	0	/* unset when fixed */
-
 static void ata_bswap_data (void *buffer, int wcount)
 {
 	u16 *p = buffer;
@@ -765,9 +763,6 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
 	ide_hwif_t *hwif	= HWIF(drive);
 	task_struct_t *taskfile	= (task_struct_t *) task->tfRegister;
 	hob_struct_t *hobfile	= (hob_struct_t *) task->hobRegister;
-#if DEBUG_TASKFILE
-	u8 status;
-#endif
 
 	if (task->data_phase == TASKFILE_MULTI_IN ||
 	    task->data_phase == TASKFILE_MULTI_OUT) {
@@ -778,19 +773,13 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
 	}
 
 	/*
-	 * (ks) Check taskfile in/out flags.
+	 * (ks) Check taskfile in flags.
 	 * If set, then execute as it is defined.
 	 * If not set, then define default settings.
 	 * The default values are:
-	 *	write and read all taskfile registers (except data) 
-	 *	write and read the hob registers (sector,nsector,lcyl,hcyl)
+	 *	read all taskfile registers (except data)
+	 *	read the hob registers (sector, nsector, lcyl, hcyl)
 	 */
-	if (task->tf_out_flags.all == 0) {
-		task->tf_out_flags.all = IDE_TASKFILE_STD_OUT_FLAGS;
-		if (drive->addressing == 1)
-			task->tf_out_flags.all |= (IDE_HOB_STD_OUT_FLAGS << 8);
-        }
-
 	if (task->tf_in_flags.all == 0) {
 		task->tf_in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
 		if (drive->addressing == 1)
@@ -803,16 +792,6 @@ ide_startstop_t flagged_taskfile (ide_drive_t *drive, ide_task_t *task)
 		hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
 	SELECT_MASK(drive, 0);
 
-#if DEBUG_TASKFILE
-	status = hwif->INB(IDE_STATUS_REG);
-	if (status & 0x80) {
-		printk("flagged_taskfile -> Bad status. Status = %02x. wait 100 usec ...\n", status);
-		udelay(100);
-		status = hwif->INB(IDE_STATUS_REG);
-		printk("flagged_taskfile -> Status = %02x\n", status);
-	}
-#endif
-
 	if (task->tf_out_flags.b.data) {
 		u16 data =  taskfile->data + (hobfile->data << 8);
 		hwif->OUTW(data, IDE_DATA_REG);
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 16b3e2d8bfb..75a2253a3e6 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -87,6 +87,7 @@ static const struct {
 	u8 chipset_family;
 	u8 flags;
 } SiSHostChipInfo[] = {
+	{ "SiS965",	PCI_DEVICE_ID_SI_965,	ATA_133  },
 	{ "SiS745",	PCI_DEVICE_ID_SI_745,	ATA_100  },
 	{ "SiS735",	PCI_DEVICE_ID_SI_735,	ATA_100  },
 	{ "SiS733",	PCI_DEVICE_ID_SI_733,	ATA_100  },
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index cee2c374cd2..7161ce0ef5a 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -79,6 +79,7 @@ static struct via_isa_bridge {
 	u8 rev_max;
 	u16 flags;
 } via_isa_bridges[] = {
+	{ "vt6410",	PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8235",	PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233a",	PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
@@ -467,24 +468,35 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
 	hwif->drives[1].autodma = hwif->autodma;
 }
 
-static ide_pci_device_t via82cxxx_chipset __devinitdata = {
-	.name		= "VP_IDE",
-	.init_chipset	= init_chipset_via82cxxx,
-	.init_hwif	= init_hwif_via82cxxx,
-	.channels	= 2,
-	.autodma	= NOAUTODMA,
-	.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
-	.bootable	= ON_BOARD,
+static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = {
+	{	/* 0 */
+		.name		= "VP_IDE",
+		.init_chipset	= init_chipset_via82cxxx,
+		.init_hwif	= init_hwif_via82cxxx,
+		.channels	= 2,
+		.autodma	= NOAUTODMA,
+		.enablebits	= {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
+		.bootable	= ON_BOARD
+	},{	/* 1 */
+		.name		= "VP_IDE",
+		.init_chipset	= init_chipset_via82cxxx,
+		.init_hwif	= init_hwif_via82cxxx,
+		.channels	= 2,
+		.autodma	= AUTODMA,
+		.enablebits	= {{0x00,0x00,0x00}, {0x00,0x00,0x00}},
+		.bootable	= ON_BOARD,
+	}
 };
 
 static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	return ide_setup_pci_device(dev, &via82cxxx_chipset);
+	return ide_setup_pci_device(dev, &via82cxxx_chipsets[id->driver_data]);
 }
 
 static struct pci_device_id via_pci_tbl[] = {
 	{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C576_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+	{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_6410,     PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, via_pci_tbl);
diff --git a/drivers/mtd/maps/ipaq-flash.c b/drivers/mtd/maps/ipaq-flash.c
index 35097c9bbf5..b8ccb0a9578 100644
--- a/drivers/mtd/maps/ipaq-flash.c
+++ b/drivers/mtd/maps/ipaq-flash.c
@@ -246,7 +246,7 @@ int __init ipaq_mtd_init(void)
 			ipaq_map[i].size = h3xxx_max_flash_size;
 			ipaq_map[i].set_vpp = h3xxx_set_vpp;
 			ipaq_map[i].phys = cs_phys[i];
-			ipaq_map[i].virt = __ioremap(cs_phys[i], 0x04000000, 0, 1);
+			ipaq_map[i].virt = ioremap(cs_phys[i], 0x04000000);
 			if (machine_is_h3100 () || machine_is_h1900())
 				ipaq_map[i].bankwidth = 2;
 		}
@@ -280,7 +280,7 @@ int __init ipaq_mtd_init(void)
 		nb_parts = ARRAY_SIZE(jornada_partitions);
 		ipaq_map[0].size = jornada_max_flash_size;
 		ipaq_map[0].set_vpp = jornada56x_set_vpp;
-		ipaq_map[0].virt = (__u32)__ioremap(0x0, 0x04000000, 0, 1);
+		ipaq_map[0].virt = (__u32)ioremap(0x0, 0x04000000);
 	}
 #endif
 #ifdef CONFIG_SA1100_JORNADA720
@@ -442,7 +442,7 @@ static int __init h1900_special_case(void)
 	ipaq_map[0].size = 0x80000;
 	ipaq_map[0].set_vpp = h3xxx_set_vpp;
 	ipaq_map[0].phys = 0x0;
-	ipaq_map[0].virt = __ioremap(0x0, 0x04000000, 0, 1);
+	ipaq_map[0].virt = ioremap(0x0, 0x04000000);
 	ipaq_map[0].bankwidth = 2;
 
 	printk(KERN_NOTICE "iPAQ flash: probing %d-bit flash bus, window=%lx with JEDEC.\n", ipaq_map[0].bankwidth*8, ipaq_map[0].virt);
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index fc7a78e3173..2c9cc7f37e9 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -159,12 +159,12 @@ static int ixp2000_flash_probe(struct platform_device *dev)
 		return -ENODEV;
 
 	window_size = dev->resource->end - dev->resource->start + 1;
-	dev_info(_dev, "Probe of IXP2000 flash(%d banks x %dMiB)\n",
-			ixp_data->nr_banks, ((u32)window_size >> 20));
+	dev_info(&dev->dev, "Probe of IXP2000 flash(%d banks x %dMiB)\n",
+		 ixp_data->nr_banks, ((u32)window_size >> 20));
 
 	if (plat->width != 1) {
-		dev_err(_dev, "IXP2000 MTD map only supports 8-bit mode, asking for %d\n",
-				plat->width * 8);
+		dev_err(&dev->dev, "IXP2000 MTD map only supports 8-bit mode, asking for %d\n",
+			plat->width * 8);
 		return -EIO;
 	}
 
@@ -202,7 +202,7 @@ static int ixp2000_flash_probe(struct platform_device *dev)
 			dev->resource->end - dev->resource->start + 1,
 			dev->dev.bus_id);
 	if (!info->res) {
-		dev_err(_dev, "Could not reserve memory region\n");
+		dev_err(&dev->dev, "Could not reserve memory region\n");
 		err = -ENOMEM;
 		goto Error;
 	}
@@ -210,7 +210,7 @@ static int ixp2000_flash_probe(struct platform_device *dev)
 	info->map.map_priv_1 = (unsigned long) ioremap(dev->resource->start,
 			    	dev->resource->end - dev->resource->start + 1);
 	if (!info->map.map_priv_1) {
-		dev_err(_dev, "Failed to ioremap flash region\n");
+		dev_err(&dev->dev, "Failed to ioremap flash region\n");
 		err = -EIO;
 		goto Error;
 	}
@@ -221,13 +221,13 @@ static int ixp2000_flash_probe(struct platform_device *dev)
 	 */
 
 	erratum44_workaround = ixp2000_has_broken_slowport();
-	dev_info(_dev, "Erratum 44 workaround %s\n",
+	dev_info(&dev->dev, "Erratum 44 workaround %s\n",
 	       erratum44_workaround ? "enabled" : "disabled");
 #endif
 
 	info->mtd = do_map_probe(plat->map_name, &info->map);
 	if (!info->mtd) {
-		dev_err(_dev, "map_probe failed\n");
+		dev_err(&dev->dev, "map_probe failed\n");
 		err = -ENXIO;
 		goto Error;
 	}
@@ -237,7 +237,7 @@ static int ixp2000_flash_probe(struct platform_device *dev)
 	if (err > 0) {
 		err = add_mtd_partitions(info->mtd, info->partitions, err);
 		if(err)
-			dev_err(_dev, "Could not parse partitions\n");
+			dev_err(&dev->dev, "Could not parse partitions\n");
 	}
 
 	if (err)
@@ -251,8 +251,8 @@ Error:
 }
 
 static struct platform_driver ixp2000_flash_driver = {
-	.probe		= &ixp2000_flash_probe,
-	.remove		= &ixp2000_flash_remove
+	.probe		= ixp2000_flash_probe,
+	.remove		= ixp2000_flash_remove,
 	.driver		= {
 		.name	= "IXP2000-Flash",
 	},
diff --git a/drivers/mtd/nand/h1910.c b/drivers/mtd/nand/h1910.c
index 041e4b3358f..f68f7a99a63 100644
--- a/drivers/mtd/nand/h1910.c
+++ b/drivers/mtd/nand/h1910.c
@@ -112,7 +112,7 @@ static int __init h1910_init (void)
 	if (!machine_is_h1900())
 		return -ENODEV;
 
-	nandaddr = __ioremap(0x08000000, 0x1000, 0, 1);
+	nandaddr = ioremap(0x08000000, 0x1000);
 	if (!nandaddr) {
 		printk("Failed to ioremap nand flash.\n");
 		return -ENOMEM;
diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 938d185841c..89d7bd3eaee 100644
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -49,7 +49,6 @@
 #include <linux/serial.h>
 
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/sizes.h>
 #include <asm/hardware/amba.h>
 #include <asm/hardware/clock.h>
@@ -63,7 +62,8 @@
 
 #define AMBA_ISR_PASS_LIMIT	256
 
-#define UART_DUMMY_RSR_RX	256
+#define UART_DR_ERROR		(UART011_DR_OE|UART011_DR_BE|UART011_DR_PE|UART011_DR_FE)
+#define UART_DUMMY_DR_RX	(1 << 16)
 
 /*
  * We wrap our port structure around the generic uart_port.
@@ -116,7 +116,7 @@ pl011_rx_chars(struct uart_amba_port *uap)
 #endif
 {
 	struct tty_struct *tty = uap->port.info->tty;
-	unsigned int status, ch, flag, rsr, max_count = 256;
+	unsigned int status, ch, flag, max_count = 256;
 
 	status = readw(uap->port.membase + UART01x_FR);
 	while ((status & UART01x_FR_RXFE) == 0 && max_count--) {
@@ -129,7 +129,7 @@ pl011_rx_chars(struct uart_amba_port *uap)
 			 */
 		}
 
-		ch = readw(uap->port.membase + UART01x_DR);
+		ch = readw(uap->port.membase + UART01x_DR) | UART_DUMMY_DR_RX;
 		flag = TTY_NORMAL;
 		uap->port.icount.rx++;
 
@@ -137,34 +137,33 @@ pl011_rx_chars(struct uart_amba_port *uap)
 		 * Note that the error handling code is
 		 * out of the main execution path
 		 */
-		rsr = readw(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
-		if (unlikely(rsr & UART01x_RSR_ANY)) {
-			if (rsr & UART01x_RSR_BE) {
-				rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
+		if (unlikely(ch & UART_DR_ERROR)) {
+			if (ch & UART011_DR_BE) {
+				ch &= ~(UART011_DR_FE | UART011_DR_PE);
 				uap->port.icount.brk++;
 				if (uart_handle_break(&uap->port))
 					goto ignore_char;
-			} else if (rsr & UART01x_RSR_PE)
+			} else if (ch & UART011_DR_PE)
 				uap->port.icount.parity++;
-			else if (rsr & UART01x_RSR_FE)
+			else if (ch & UART011_DR_FE)
 				uap->port.icount.frame++;
-			if (rsr & UART01x_RSR_OE)
+			if (ch & UART011_DR_OE)
 				uap->port.icount.overrun++;
 
-			rsr &= uap->port.read_status_mask;
+			ch &= uap->port.read_status_mask;
 
-			if (rsr & UART01x_RSR_BE)
+			if (ch & UART011_DR_BE)
 				flag = TTY_BREAK;
-			else if (rsr & UART01x_RSR_PE)
+			else if (ch & UART011_DR_PE)
 				flag = TTY_PARITY;
-			else if (rsr & UART01x_RSR_FE)
+			else if (ch & UART011_DR_FE)
 				flag = TTY_FRAME;
 		}
 
 		if (uart_handle_sysrq_char(&uap->port, ch, regs))
 			goto ignore_char;
 
-		uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
+		uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag);
 
 	ignore_char:
 		status = readw(uap->port.membase + UART01x_FR);
@@ -476,33 +475,33 @@ pl011_set_termios(struct uart_port *port, struct termios *termios,
 	 */
 	uart_update_timeout(port, termios->c_cflag, baud);
 
-	port->read_status_mask = UART01x_RSR_OE;
+	port->read_status_mask = UART011_DR_OE | 255;
 	if (termios->c_iflag & INPCK)
-		port->read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
+		port->read_status_mask |= UART011_DR_FE | UART011_DR_PE;
 	if (termios->c_iflag & (BRKINT | PARMRK))
-		port->read_status_mask |= UART01x_RSR_BE;
+		port->read_status_mask |= UART011_DR_BE;
 
 	/*
 	 * Characters to ignore
 	 */
 	port->ignore_status_mask = 0;
 	if (termios->c_iflag & IGNPAR)
-		port->ignore_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
+		port->ignore_status_mask |= UART011_DR_FE | UART011_DR_PE;
 	if (termios->c_iflag & IGNBRK) {
-		port->ignore_status_mask |= UART01x_RSR_BE;
+		port->ignore_status_mask |= UART011_DR_BE;
 		/*
 		 * If we're ignoring parity and break indicators,
 		 * ignore overruns too (for real raw support).
 		 */
 		if (termios->c_iflag & IGNPAR)
-			port->ignore_status_mask |= UART01x_RSR_OE;
+			port->ignore_status_mask |= UART011_DR_OE;
 	}
 
 	/*
 	 * Ignore all characters if CREAD is not set.
 	 */
 	if ((termios->c_cflag & CREAD) == 0)
-		port->ignore_status_mask |= UART_DUMMY_RSR_RX;
+		port->ignore_status_mask |= UART_DUMMY_DR_RX;
 
 	if (UART_ENABLE_MS(port, termios->c_cflag))
 		pl011_enable_ms(port);
diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c
index 0e3daf6d7b5..25a086458ab 100644
--- a/drivers/serial/sa1100.c
+++ b/drivers/serial/sa1100.c
@@ -161,7 +161,6 @@ static void sa1100_stop_tx(struct uart_port *port)
 static void sa1100_start_tx(struct uart_port *port)
 {
 	struct sa1100_port *sport = (struct sa1100_port *)port;
-	unsigned long flags;
 	u32 utcr3;
 
 	utcr3 = UART_GET_UTCR3(sport);
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index 688f7f90d93..942b622455b 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -59,11 +59,10 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
  * fallback to the default.
  */
 static inline void __iomem *
-__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned long align)
+__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags)
 {
-	extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long);
 	if((addr < 0x48000000) || (addr > 0x4fffffff))
-		return __ioremap(addr, size, flags, align);
+		return __ioremap(addr, size, flags);
 
 	return (void *)addr;
 }
@@ -71,13 +70,11 @@ __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned
 static inline void
 __ixp4xx_iounmap(void __iomem *addr)
 {
-	extern void __iounmap(void __iomem *addr);
-
 	if ((u32)addr >= VMALLOC_START)
 		__iounmap(addr);
 }
 
-#define __arch_ioremap(a, s, f, x)	__ixp4xx_ioremap(a, s, f, x)
+#define __arch_ioremap(a, s, f)		__ixp4xx_ioremap(a, s, f)
 #define	__arch_iounmap(a)		__ixp4xx_iounmap(a)
 
 #define	writeb(v, p)			__ixp4xx_writeb(v, p)
diff --git a/include/asm-arm/hardware/amba_serial.h b/include/asm-arm/hardware/amba_serial.h
index 71770aa6389..dc726ffcceb 100644
--- a/include/asm-arm/hardware/amba_serial.h
+++ b/include/asm-arm/hardware/amba_serial.h
@@ -50,6 +50,11 @@
 #define UART011_ICR		0x44	/* Interrupt clear register. */
 #define UART011_DMACR		0x48	/* DMA control register. */
 
+#define UART011_DR_OE		(1 << 11)
+#define UART011_DR_BE		(1 << 10)
+#define UART011_DR_PE		(1 << 9)
+#define UART011_DR_FE		(1 << 8)
+
 #define UART01x_RSR_OE 		0x08
 #define UART01x_RSR_BE 		0x04
 #define UART01x_RSR_PE 		0x02
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h
index 2e6799632f1..ae69db4a101 100644
--- a/include/asm-arm/io.h
+++ b/include/asm-arm/io.h
@@ -55,6 +55,12 @@ extern void __raw_readsl(void __iomem *addr, void *data, int longlen);
 #define __raw_readl(a)		(__chk_io_ptr(a), *(volatile unsigned int __force   *)(a))
 
 /*
+ * Architecture ioremap implementation.
+ */
+extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
+extern void __iounmap(void __iomem *addr);
+
+/*
  * Bad read/write accesses...
  */
 extern void __readwrite_bug(const char *fn);
@@ -256,18 +262,15 @@ out:
  * ioremap takes a PCI memory address, as specified in
  * Documentation/IO-mapping.txt.
  */
-extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long);
-extern void __iounmap(void __iomem *addr);
-
 #ifndef __arch_ioremap
-#define ioremap(cookie,size)		__ioremap(cookie,size,0,1)
-#define ioremap_nocache(cookie,size)	__ioremap(cookie,size,0,1)
-#define ioremap_cached(cookie,size)	__ioremap(cookie,size,L_PTE_CACHEABLE,1)
+#define ioremap(cookie,size)		__ioremap(cookie,size,0)
+#define ioremap_nocache(cookie,size)	__ioremap(cookie,size,0)
+#define ioremap_cached(cookie,size)	__ioremap(cookie,size,L_PTE_CACHEABLE)
 #define iounmap(cookie)			__iounmap(cookie)
 #else
-#define ioremap(cookie,size)		__arch_ioremap((cookie),(size),0,1)
-#define ioremap_nocache(cookie,size)	__arch_ioremap((cookie),(size),0,1)
-#define ioremap_cached(cookie,size)	__arch_ioremap((cookie),(size),L_PTE_CACHEABLE,1)
+#define ioremap(cookie,size)		__arch_ioremap((cookie),(size),0)
+#define ioremap_nocache(cookie,size)	__arch_ioremap((cookie),(size),0)
+#define ioremap_cached(cookie,size)	__arch_ioremap((cookie),(size),L_PTE_CACHEABLE)
 #define iounmap(cookie)			__arch_iounmap(cookie)
 #endif
 
diff --git a/include/asm-arm/uaccess.h b/include/asm-arm/uaccess.h
index a2fdad0138b..064f0f5e8e2 100644
--- a/include/asm-arm/uaccess.h
+++ b/include/asm-arm/uaccess.h
@@ -100,7 +100,6 @@ static inline void set_fs (mm_segment_t fs)
 extern int __get_user_1(void *);
 extern int __get_user_2(void *);
 extern int __get_user_4(void *);
-extern int __get_user_8(void *);
 extern int __get_user_bad(void);
 
 #define __get_user_x(__r2,__p,__e,__s,__i...)				\
@@ -114,7 +113,7 @@ extern int __get_user_bad(void);
 #define get_user(x,p)							\
 	({								\
 		const register typeof(*(p)) __user *__p asm("r0") = (p);\
-		register typeof(*(p)) __r2 asm("r2");			\
+		register unsigned int __r2 asm("r2");			\
 		register int __e asm("r0");				\
 		switch (sizeof(*(__p))) {				\
 		case 1:							\
@@ -126,12 +125,9 @@ extern int __get_user_bad(void);
 		case 4:							\
 	       		__get_user_x(__r2, __p, __e, 4, "lr");		\
 			break;						\
-		case 8:							\
-			__get_user_x(__r2, __p, __e, 8, "lr");		\
-	       		break;						\
 		default: __e = __get_user_bad(); break;			\
 		}							\
-		x = __r2;						\
+		x = (typeof(*(p))) __r2;				\
 		__e;							\
 	})
 
diff --git a/include/asm-ppc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h
index 6e963511443..59a80163f75 100644
--- a/include/asm-ppc/dma-mapping.h
+++ b/include/asm-powerpc/dma-mapping.h
@@ -1,15 +1,22 @@
 /*
- * This is based on both include/asm-sh/dma-mapping.h and
- * include/asm-ppc/pci.h
+ * Copyright (C) 2004 IBM
+ *
+ * Implements the generic device dma API for powerpc.
+ * the pci and vio busses
  */
-#ifndef __ASM_PPC_DMA_MAPPING_H
-#define __ASM_PPC_DMA_MAPPING_H
+#ifndef _ASM_DMA_MAPPING_H
+#define _ASM_DMA_MAPPING_H
 
 #include <linux/config.h>
+#include <linux/types.h>
+#include <linux/cache.h>
 /* need struct page definitions */
 #include <linux/mm.h>
 #include <asm/scatterlist.h>
 #include <asm/io.h>
+#include <asm/bug.h>
+
+#define DMA_ERROR_CODE		(~(dma_addr_t)0x0)
 
 #ifdef CONFIG_NOT_COHERENT_CACHE
 /*
@@ -24,22 +31,12 @@ extern void __dma_free_coherent(size_t size, void *vaddr);
 extern void __dma_sync(void *vaddr, size_t size, int direction);
 extern void __dma_sync_page(struct page *page, unsigned long offset,
 				 size_t size, int direction);
-#define dma_cache_inv(_start,_size) \
-	invalidate_dcache_range(_start, (_start + _size))
-#define dma_cache_wback(_start,_size) \
-	clean_dcache_range(_start, (_start + _size))
-#define dma_cache_wback_inv(_start,_size) \
-	flush_dcache_range(_start, (_start + _size))
 
 #else /* ! CONFIG_NOT_COHERENT_CACHE */
 /*
  * Cache coherent cores.
  */
 
-#define dma_cache_inv(_start,_size)		do { } while (0)
-#define dma_cache_wback(_start,_size)		do { } while (0)
-#define dma_cache_wback_inv(_start,_size)	do { } while (0)
-
 #define __dma_alloc_coherent(gfp, size, handle)	NULL
 #define __dma_free_coherent(size, addr)		do { } while (0)
 #define __dma_sync(addr, size, rw)		do { } while (0)
@@ -47,6 +44,30 @@ extern void __dma_sync_page(struct page *page, unsigned long offset,
 
 #endif /* ! CONFIG_NOT_COHERENT_CACHE */
 
+#ifdef CONFIG_PPC64
+
+extern int dma_supported(struct device *dev, u64 mask);
+extern int dma_set_mask(struct device *dev, u64 dma_mask);
+extern void *dma_alloc_coherent(struct device *dev, size_t size,
+		dma_addr_t *dma_handle, gfp_t flag);
+extern void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
+		dma_addr_t dma_handle);
+extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
+		size_t size, enum dma_data_direction direction);
+extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
+		size_t size, enum dma_data_direction direction);
+extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
+		unsigned long offset, size_t size,
+		enum dma_data_direction direction);
+extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
+		size_t size, enum dma_data_direction direction);
+extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
+		enum dma_data_direction direction);
+extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+		int nhwentries, enum dma_data_direction direction);
+
+#else /* CONFIG_PPC64 */
+
 #define dma_supported(dev, mask)	(1)
 
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
@@ -144,29 +165,27 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 /* We don't do anything here. */
 #define dma_unmap_sg(dev, sg, nents, dir)	do { } while (0)
 
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
-			size_t size,
-			enum dma_data_direction direction)
+#endif /* CONFIG_PPC64 */
+
+static inline void dma_sync_single_for_cpu(struct device *dev,
+		dma_addr_t dma_handle, size_t size,
+		enum dma_data_direction direction)
 {
 	BUG_ON(direction == DMA_NONE);
-
 	__dma_sync(bus_to_virt(dma_handle), size, direction);
 }
 
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
-			size_t size,
-			enum dma_data_direction direction)
+static inline void dma_sync_single_for_device(struct device *dev,
+		dma_addr_t dma_handle, size_t size,
+		enum dma_data_direction direction)
 {
 	BUG_ON(direction == DMA_NONE);
-
 	__dma_sync(bus_to_virt(dma_handle), size, direction);
 }
 
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
-		    enum dma_data_direction direction)
+static inline void dma_sync_sg_for_cpu(struct device *dev,
+		struct scatterlist *sg, int nents,
+		enum dma_data_direction direction)
 {
 	int i;
 
@@ -176,9 +195,9 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
 		__dma_sync_page(sg->page, sg->offset, sg->length, direction);
 }
 
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
-		    enum dma_data_direction direction)
+static inline void dma_sync_sg_for_device(struct device *dev,
+		struct scatterlist *sg, int nents,
+		enum dma_data_direction direction)
 {
 	int i;
 
@@ -188,6 +207,15 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
 		__dma_sync_page(sg->page, sg->offset, sg->length, direction);
 }
 
+static inline int dma_mapping_error(dma_addr_t dma_addr)
+{
+#ifdef CONFIG_PPC64
+	return (dma_addr == DMA_ERROR_CODE);
+#else
+	return 0;
+#endif
+}
+
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 #ifdef CONFIG_NOT_COHERENT_CACHE
@@ -198,40 +226,60 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents,
 
 static inline int dma_get_cache_alignment(void)
 {
+#ifdef CONFIG_PPC64
+	/* no easy way to get cache size on all processors, so return
+	 * the maximum possible, to be safe */
+	return (1 << L1_CACHE_SHIFT_MAX);
+#else
 	/*
 	 * Each processor family will define its own L1_CACHE_SHIFT,
 	 * L1_CACHE_BYTES wraps to this, so this is always safe.
 	 */
 	return L1_CACHE_BYTES;
+#endif
 }
 
-static inline void
-dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
-		      	      unsigned long offset, size_t size,
-		      	      enum dma_data_direction direction)
+static inline void dma_sync_single_range_for_cpu(struct device *dev,
+		dma_addr_t dma_handle, unsigned long offset, size_t size,
+		enum dma_data_direction direction)
 {
 	/* just sync everything for now */
 	dma_sync_single_for_cpu(dev, dma_handle, offset + size, direction);
 }
 
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
-		    		 unsigned long offset, size_t size,
-				 enum dma_data_direction direction)
+static inline void dma_sync_single_range_for_device(struct device *dev,
+		dma_addr_t dma_handle, unsigned long offset, size_t size,
+		enum dma_data_direction direction)
 {
 	/* just sync everything for now */
 	dma_sync_single_for_device(dev, dma_handle, offset + size, direction);
 }
 
 static inline void dma_cache_sync(void *vaddr, size_t size,
-				  enum dma_data_direction direction)
+		enum dma_data_direction direction)
 {
+	BUG_ON(direction == DMA_NONE);
 	__dma_sync(vaddr, size, (int)direction);
 }
 
-static inline int dma_mapping_error(dma_addr_t dma_addr)
-{
-	return 0;
-}
-
-#endif				/* __ASM_PPC_DMA_MAPPING_H */
+/*
+ * DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
+ */
+struct dma_mapping_ops {
+	void *		(*alloc_coherent)(struct device *dev, size_t size,
+				dma_addr_t *dma_handle, gfp_t flag);
+	void		(*free_coherent)(struct device *dev, size_t size,
+				void *vaddr, dma_addr_t dma_handle);
+	dma_addr_t	(*map_single)(struct device *dev, void *ptr,
+				size_t size, enum dma_data_direction direction);
+	void		(*unmap_single)(struct device *dev, dma_addr_t dma_addr,
+				size_t size, enum dma_data_direction direction);
+	int		(*map_sg)(struct device *dev, struct scatterlist *sg,
+				int nents, enum dma_data_direction direction);
+	void		(*unmap_sg)(struct device *dev, struct scatterlist *sg,
+				int nents, enum dma_data_direction direction);
+	int		(*dma_supported)(struct device *dev, u64 mask);
+	int		(*dac_dma_supported)(struct device *dev, u64 mask);
+};
+
+#endif	/* _ASM_DMA_MAPPING_H */
diff --git a/include/asm-ppc64/io.h b/include/asm-powerpc/io.h
index 77fc07c3c6b..48938d84d05 100644
--- a/include/asm-ppc64/io.h
+++ b/include/asm-powerpc/io.h
@@ -1,5 +1,5 @@
-#ifndef _PPC64_IO_H
-#define _PPC64_IO_H
+#ifndef _ASM_POWERPC_IO_H
+#define _ASM_POWERPC_IO_H
 
 /* 
  * This program is free software; you can redistribute it and/or
@@ -8,7 +8,10 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
+#ifndef CONFIG_PPC64
+#include <asm-ppc/io.h>
+#else
+
 #include <linux/compiler.h>
 #include <asm/page.h>
 #include <asm/byteorder.h>
@@ -455,4 +458,5 @@ extern int check_legacy_ioport(unsigned long base_port);
 
 #endif /* __KERNEL__ */
 
-#endif /* _PPC64_IO_H */
+#endif /* CONFIG_PPC64 */
+#endif /* _ASM_POWERPC_IO_H */
diff --git a/include/asm-ppc64/mmu.h b/include/asm-powerpc/mmu.h
index 1a7e0afa2dc..c1b4bbabbe9 100644
--- a/include/asm-ppc64/mmu.h
+++ b/include/asm-powerpc/mmu.h
@@ -1,3 +1,10 @@
+#ifndef _ASM_POWERPC_MMU_H_
+#define _ASM_POWERPC_MMU_H_
+
+#ifndef CONFIG_PPC64
+#include <asm-ppc/mmu.h>
+#else
+
 /*
  * PowerPC memory management structures
  *
@@ -10,10 +17,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#ifndef _PPC64_MMU_H_
-#define _PPC64_MMU_H_
-
-#include <linux/config.h>
 #include <asm/asm-compat.h>
 #include <asm/page.h>
 
@@ -392,4 +395,5 @@ static inline unsigned long get_vsid(unsigned long context, unsigned long ea)
 
 #endif /* __ASSEMBLY */
 
-#endif /* _PPC64_MMU_H_ */
+#endif /* CONFIG_PPC64 */
+#endif /* _ASM_POWERPC_MMU_H_ */
diff --git a/include/asm-ppc64/mmu_context.h b/include/asm-powerpc/mmu_context.h
index 4f512e9fa6b..ea6798c7d5f 100644
--- a/include/asm-ppc64/mmu_context.h
+++ b/include/asm-powerpc/mmu_context.h
@@ -1,7 +1,10 @@
-#ifndef __PPC64_MMU_CONTEXT_H
-#define __PPC64_MMU_CONTEXT_H
+#ifndef __ASM_POWERPC_MMU_CONTEXT_H
+#define __ASM_POWERPC_MMU_CONTEXT_H
+
+#ifndef CONFIG_PPC64
+#include <asm-ppc/mmu_context.h>
+#else
 
-#include <linux/config.h>
 #include <linux/kernel.h>	
 #include <linux/mm.h>	
 #include <asm/mmu.h>	
@@ -82,4 +85,5 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
 	local_irq_restore(flags);
 }
 
-#endif /* __PPC64_MMU_CONTEXT_H */
+#endif /* CONFIG_PPC64 */
+#endif /* __ASM_POWERPC_MMU_CONTEXT_H */
diff --git a/include/asm-ppc64/mmzone.h b/include/asm-powerpc/mmzone.h
index 54958d6cae0..54958d6cae0 100644
--- a/include/asm-ppc64/mmzone.h
+++ b/include/asm-powerpc/mmzone.h
diff --git a/include/asm-ppc64/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index cf04327a597..223ec7bd81d 100644
--- a/include/asm-ppc64/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -1,8 +1,10 @@
-#ifdef __KERNEL__
-#ifndef _ASM_PCI_BRIDGE_H
-#define _ASM_PCI_BRIDGE_H
+#ifndef _ASM_POWERPC_PCI_BRIDGE_H
+#define _ASM_POWERPC_PCI_BRIDGE_H
+
+#ifndef CONFIG_PPC64
+#include <asm-ppc/pci-bridge.h>
+#else
 
-#include <linux/config.h>
 #include <linux/pci.h>
 #include <linux/list.h>
 
@@ -147,5 +149,5 @@ extern void pcibios_free_controller(struct pci_controller *phb);
 #define PCI_PROBE_NORMAL	0	/* Do normal PCI probing */
 #define PCI_PROBE_DEVTREE	1	/* Instantiate from device tree */
 
+#endif /* CONFIG_PPC64 */
 #endif
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc64/pci.h b/include/asm-powerpc/pci.h
index fafdf885a3c..d5934a076bd 100644
--- a/include/asm-ppc64/pci.h
+++ b/include/asm-powerpc/pci.h
@@ -1,5 +1,5 @@
-#ifndef __PPC64_PCI_H
-#define __PPC64_PCI_H
+#ifndef __ASM_POWERPC_PCI_H
+#define __ASM_POWERPC_PCI_H
 #ifdef __KERNEL__
 
 /*
@@ -18,6 +18,7 @@
 #include <asm/scatterlist.h>
 #include <asm/io.h>
 #include <asm/prom.h>
+#include <asm/pci-bridge.h>
 
 #include <asm-generic/pci-dma-compat.h>
 
@@ -26,11 +27,21 @@
 
 struct pci_dev;
 
-#ifdef CONFIG_PPC_ISERIES
+/* Values for the `which' argument to sys_pciconfig_iobase syscall.  */
+#define IOBASE_BRIDGE_NUMBER	0
+#define IOBASE_MEMORY		1
+#define IOBASE_IO		2
+#define IOBASE_ISA_IO		3
+#define IOBASE_ISA_MEM		4
+
+/*
+ * Set this to 1 if you want the kernel to re-assign all PCI
+ * bus numbers
+ */
+extern int pci_assign_all_buses;
+#define pcibios_assign_all_busses()	(pci_assign_all_buses)
+
 #define pcibios_scan_all_fns(a, b)	0
-#else
-extern int pcibios_scan_all_fns(struct pci_bus *bus, int devfn);
-#endif
 
 static inline void pcibios_set_master(struct pci_dev *dev)
 {
@@ -50,6 +61,7 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 	return channel ? 15 : 14;
 }
 
+#ifdef CONFIG_PPC64
 #define HAVE_ARCH_PCI_MWI 1
 static inline int pcibios_prep_mwi(struct pci_dev *dev)
 {
@@ -64,12 +76,10 @@ static inline int pcibios_prep_mwi(struct pci_dev *dev)
 	return 0;
 }
 
-extern unsigned int pcibios_assign_all_busses(void);
-
 extern struct dma_mapping_ops pci_dma_ops;
 
 /* For DAC DMA, we currently don't support it by default, but
- * we let the platform override this
+ * we let 64-bit platforms override this.
  */
 static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
 {
@@ -102,6 +112,35 @@ extern int pci_domain_nr(struct pci_bus *bus);
 /* Decide whether to display the domain number in /proc */
 extern int pci_proc_domain(struct pci_bus *bus);
 
+#else /* 32-bit */
+
+#ifdef CONFIG_PCI
+static inline void pci_dma_burst_advice(struct pci_dev *pdev,
+					enum pci_dma_burst_strategy *strat,
+					unsigned long *strategy_parameter)
+{
+	*strat = PCI_DMA_BURST_INFINITY;
+	*strategy_parameter = ~0UL;
+}
+#endif
+
+/*
+ * At present there are very few 32-bit PPC machines that can have
+ * memory above the 4GB point, and we don't support that.
+ */
+#define pci_dac_dma_supported(pci_dev, mask)	(0)
+
+/* Return the index of the PCI controller for device PDEV. */
+#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
+
+/* Set the name of the bus as it appears in /proc/bus/pci */
+static inline int pci_proc_domain(struct pci_bus *bus)
+{
+	return 0;
+}
+
+#endif /* CONFIG_PPC64 */
+
 struct vm_area_struct;
 /* Map a range of PCI memory or I/O space for a device into user space */
 int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
@@ -110,6 +149,7 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
 #define HAVE_PCI_MMAP	1
 
+#ifdef CONFIG_PPC64
 /* pci_unmap_{single,page} is not a nop, thus... */
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
 	dma_addr_t ADDR_NAME;
@@ -124,22 +164,40 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
 #define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
 	(((PTR)->LEN_NAME) = (VAL))
 
-/* The PCI address space does equal the physical memory
- * address space.  The networking and block device layers use
+/* The PCI address space does not equal the physical memory address
+ * space (we have an IOMMU).  The IDE and SCSI device layers use
  * this boolean for bounce buffer decisions.
  */
 #define PCI_DMA_BUS_IS_PHYS	(0)
+
+#else /* 32-bit */
+
+/* The PCI address space does equal the physical memory
+ * address space (no IOMMU).  The IDE and SCSI device layers use
+ * this boolean for bounce buffer decisions.
+ */
+#define PCI_DMA_BUS_IS_PHYS     (1)
+
+/* pci_unmap_{page,single} is a nop so... */
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
+#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
+#define pci_unmap_len(PTR, LEN_NAME)		(0)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
+
+#endif /* CONFIG_PPC64 */
 	
-extern void
-pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+extern void pcibios_resource_to_bus(struct pci_dev *dev,
+			struct pci_bus_region *region,
 			struct resource *res);
 
-extern void
-pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+extern void pcibios_bus_to_resource(struct pci_dev *dev,
+			struct resource *res,
 			struct pci_bus_region *region);
 
-static inline struct resource *
-pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+static inline struct resource *pcibios_select_root(struct pci_dev *pdev,
+			struct resource *res)
 {
 	struct resource *root = NULL;
 
@@ -151,14 +209,12 @@ pcibios_select_root(struct pci_dev *pdev, struct resource *res)
 	return root;
 }
 
-extern int
-unmap_bus_range(struct pci_bus *bus);
+extern int unmap_bus_range(struct pci_bus *bus);
 
-extern int
-remap_bus_range(struct pci_bus *bus);
+extern int remap_bus_range(struct pci_bus *bus);
 
-extern void
-pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus);
+extern void pcibios_fixup_device_resources(struct pci_dev *dev,
+			struct pci_bus *bus);
 
 extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
 
@@ -180,14 +236,12 @@ extern pgprot_t	pci_phys_mem_access_prot(struct file *file,
 					 unsigned long size,
 					 pgprot_t prot);
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#if defined(CONFIG_PPC_MULTIPLATFORM) || defined(CONFIG_PPC32)
 #define HAVE_ARCH_PCI_RESOURCE_TO_USER
 extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
 				 const struct resource *rsrc,
 				 u64 *start, u64 *end);
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
+#endif /* CONFIG_PPC_MULTIPLATFORM || CONFIG_PPC32 */
 
 #endif	/* __KERNEL__ */
-
-#endif /* __PPC64_PCI_H */
+#endif /* __ASM_POWERPC_PCI_H */
diff --git a/include/asm-ppc64/pgalloc.h b/include/asm-powerpc/pgalloc.h
index dcf3622d194..bfc2113b363 100644
--- a/include/asm-ppc64/pgalloc.h
+++ b/include/asm-powerpc/pgalloc.h
@@ -1,5 +1,9 @@
-#ifndef _PPC64_PGALLOC_H
-#define _PPC64_PGALLOC_H
+#ifndef _ASM_POWERPC_PGALLOC_H
+#define _ASM_POWERPC_PGALLOC_H
+
+#ifndef CONFIG_PPC64
+#include <asm-ppc/pgalloc.h>
+#else
 
 #include <linux/mm.h>
 #include <linux/slab.h>
@@ -148,4 +152,5 @@ extern void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf);
 
 #define check_pgt_cache()	do { } while (0)
 
-#endif /* _PPC64_PGALLOC_H */
+#endif /* CONFIG_PPC64 */
+#endif /* _ASM_POWERPC_PGALLOC_H */
diff --git a/include/asm-ppc64/pgtable-4k.h b/include/asm-powerpc/pgtable-4k.h
index e9590c06ad9..e9590c06ad9 100644
--- a/include/asm-ppc64/pgtable-4k.h
+++ b/include/asm-powerpc/pgtable-4k.h
diff --git a/include/asm-ppc64/pgtable-64k.h b/include/asm-powerpc/pgtable-64k.h
index 154f1840ece..154f1840ece 100644
--- a/include/asm-ppc64/pgtable-64k.h
+++ b/include/asm-powerpc/pgtable-64k.h
diff --git a/include/asm-ppc64/pgtable.h b/include/asm-powerpc/pgtable.h
index a9783ba7fe9..0303f57366c 100644
--- a/include/asm-ppc64/pgtable.h
+++ b/include/asm-powerpc/pgtable.h
@@ -1,5 +1,9 @@
-#ifndef _PPC64_PGTABLE_H
-#define _PPC64_PGTABLE_H
+#ifndef _ASM_POWERPC_PGTABLE_H
+#define _ASM_POWERPC_PGTABLE_H
+
+#ifndef CONFIG_PPC64
+#include <asm-ppc/pgtable.h>
+#else
 
 /*
  * This file contains the functions and defines necessary to modify and use
@@ -47,6 +51,13 @@ struct mm_struct;
 #define VMALLOC_END   (VMALLOC_START + VMALLOC_SIZE)
 
 /*
+ * Define the address range of the imalloc VM area.
+ */
+#define PHBS_IO_BASE	VMALLOC_END
+#define IMALLOC_BASE	(PHBS_IO_BASE + 0x80000000ul)	/* Reserve 2 gigs for PHBs */
+#define IMALLOC_END	(VMALLOC_START + PGTABLE_RANGE)
+
+/*
  * Common bits in a linux-style PTE.  These match the bits in the
  * (hardware-defined) PowerPC PTE as closely as possible. Additional
  * bits may be defined in pgtable-*.h
@@ -69,7 +80,7 @@ struct mm_struct;
 
 #define _PAGE_WRENABLE	(_PAGE_RW | _PAGE_DIRTY)
 
-/* __pgprot defined in asm-ppc64/page.h */
+/* __pgprot defined in asm-powerpc/page.h */
 #define PAGE_NONE	__pgprot(_PAGE_PRESENT | _PAGE_ACCESSED)
 
 #define PAGE_SHARED	__pgprot(_PAGE_BASE | _PAGE_RW | _PAGE_USER)
@@ -509,4 +520,5 @@ void pgtable_cache_init(void);
 
 #endif /* __ASSEMBLY__ */
 
-#endif /* _PPC64_PGTABLE_H */
+#endif /* CONFIG_PPC64 */
+#endif /* _ASM_POWERPC_PGTABLE_H */
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index 2e36e5a7f4f..36cdc869e58 100644
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -48,8 +48,6 @@ extern void pSeries_final_fixup(void);
 extern void pSeries_irq_bus_setup(struct pci_bus *bus);
 
 extern unsigned long pci_probe_only;
-extern unsigned long pci_assign_all_buses;
-extern int pci_read_irq_line(struct pci_dev *pci_dev);
 
 /* ---- EEH internal-use-only related routines ---- */
 #ifdef CONFIG_EEH
diff --git a/include/asm-ppc64/spinlock.h b/include/asm-powerpc/spinlock.h
index 7d84fb5e39f..caa4b14e0e9 100644
--- a/include/asm-ppc64/spinlock.h
+++ b/include/asm-powerpc/spinlock.h
@@ -18,31 +18,41 @@
  *
  * (the type definitions are in asm/spinlock_types.h)
  */
-#include <linux/config.h>
+#ifdef CONFIG_PPC64
 #include <asm/paca.h>
 #include <asm/hvcall.h>
 #include <asm/iseries/hv_call.h>
+#endif
+#include <asm/asm-compat.h>
+#include <asm/synch.h>
 
 #define __raw_spin_is_locked(x)		((x)->slock != 0)
 
+#ifdef CONFIG_PPC64
+/* use 0x800000yy when locked, where yy == CPU number */
+#define LOCK_TOKEN	(*(u32 *)(&get_paca()->lock_token))
+#else
+#define LOCK_TOKEN	1
+#endif
+
 /*
  * This returns the old value in the lock, so we succeeded
  * in getting the lock if the return value is 0.
  */
 static __inline__ unsigned long __spin_trylock(raw_spinlock_t *lock)
 {
-	unsigned long tmp, tmp2;
+	unsigned long tmp, token;
 
+	token = LOCK_TOKEN;
 	__asm__ __volatile__(
-"	lwz		%1,%3(13)		# __spin_trylock\n\
-1:	lwarx		%0,0,%2\n\
+"1:	lwarx		%0,0,%2		# __spin_trylock\n\
 	cmpwi		0,%0,0\n\
 	bne-		2f\n\
 	stwcx.		%1,0,%2\n\
 	bne-		1b\n\
 	isync\n\
-2:"	: "=&r" (tmp), "=&r" (tmp2)
-	: "r" (&lock->slock), "i" (offsetof(struct paca_struct, lock_token))
+2:"	: "=&r" (tmp)
+	: "r" (token), "r" (&lock->slock)
 	: "cr0", "memory");
 
 	return tmp;
@@ -113,11 +123,17 @@ static void __inline__ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long
 
 static __inline__ void __raw_spin_unlock(raw_spinlock_t *lock)
 {
-	__asm__ __volatile__("lwsync	# __raw_spin_unlock": : :"memory");
+	__asm__ __volatile__(SYNC_ON_SMP"	# __raw_spin_unlock"
+			     : : :"memory");
 	lock->slock = 0;
 }
 
+#ifdef CONFIG_PPC64
 extern void __raw_spin_unlock_wait(raw_spinlock_t *lock);
+#else
+#define __raw_spin_unlock_wait(lock) \
+	do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0)
+#endif
 
 /*
  * Read-write spinlocks, allowing multiple readers
@@ -133,6 +149,14 @@ extern void __raw_spin_unlock_wait(raw_spinlock_t *lock);
 #define __raw_read_can_lock(rw)		((rw)->lock >= 0)
 #define __raw_write_can_lock(rw)	(!(rw)->lock)
 
+#ifdef CONFIG_PPC64
+#define __DO_SIGN_EXTEND	"extsw	%0,%0\n"
+#define WRLOCK_TOKEN		LOCK_TOKEN	/* it's negative */
+#else
+#define __DO_SIGN_EXTEND
+#define WRLOCK_TOKEN		(-1)
+#endif
+
 /*
  * This returns the old value in the lock + 1,
  * so we got a read lock if the return value is > 0.
@@ -142,11 +166,12 @@ static long __inline__ __read_trylock(raw_rwlock_t *rw)
 	long tmp;
 
 	__asm__ __volatile__(
-"1:	lwarx		%0,0,%1		# read_trylock\n\
-	extsw		%0,%0\n\
-	addic.		%0,%0,1\n\
-	ble-		2f\n\
-	stwcx.		%0,0,%1\n\
+"1:	lwarx		%0,0,%1		# read_trylock\n"
+	__DO_SIGN_EXTEND
+"	addic.		%0,%0,1\n\
+	ble-		2f\n"
+	PPC405_ERR77(0,%1)
+"	stwcx.		%0,0,%1\n\
 	bne-		1b\n\
 	isync\n\
 2:"	: "=&r" (tmp)
@@ -162,18 +187,19 @@ static long __inline__ __read_trylock(raw_rwlock_t *rw)
  */
 static __inline__ long __write_trylock(raw_rwlock_t *rw)
 {
-	long tmp, tmp2;
+	long tmp, token;
 
+	token = WRLOCK_TOKEN;
 	__asm__ __volatile__(
-"	lwz		%1,%3(13)	# write_trylock\n\
-1:	lwarx		%0,0,%2\n\
+"1:	lwarx		%0,0,%2	# write_trylock\n\
 	cmpwi		0,%0,0\n\
-	bne-		2f\n\
-	stwcx.		%1,0,%2\n\
+	bne-		2f\n"
+	PPC405_ERR77(0,%1)
+"	stwcx.		%1,0,%2\n\
 	bne-		1b\n\
 	isync\n\
-2:"	: "=&r" (tmp), "=&r" (tmp2)
-	: "r" (&rw->lock), "i" (offsetof(struct paca_struct, lock_token))
+2:"	: "=&r" (tmp)
+	: "r" (token), "r" (&rw->lock)
 	: "cr0", "memory");
 
 	return tmp;
@@ -224,8 +250,9 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw)
 	__asm__ __volatile__(
 	"eieio				# read_unlock\n\
 1:	lwarx		%0,0,%1\n\
-	addic		%0,%0,-1\n\
-	stwcx.		%0,0,%1\n\
+	addic		%0,%0,-1\n"
+	PPC405_ERR77(0,%1)
+"	stwcx.		%0,0,%1\n\
 	bne-		1b"
 	: "=&r"(tmp)
 	: "r"(&rw->lock)
@@ -234,7 +261,8 @@ static void __inline__ __raw_read_unlock(raw_rwlock_t *rw)
 
 static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
 {
-	__asm__ __volatile__("lwsync	# write_unlock": : :"memory");
+	__asm__ __volatile__(SYNC_ON_SMP"	# write_unlock"
+			     : : :"memory");
 	rw->lock = 0;
 }
 
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 2bfdf9c9845..84ac6e258ee 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -545,6 +545,23 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
 #include <asm/mpc8260_pci9.h>
 #endif
 
+#ifdef CONFIG_NOT_COHERENT_CACHE
+
+#define dma_cache_inv(_start,_size) \
+	invalidate_dcache_range(_start, (_start + _size))
+#define dma_cache_wback(_start,_size) \
+	clean_dcache_range(_start, (_start + _size))
+#define dma_cache_wback_inv(_start,_size) \
+	flush_dcache_range(_start, (_start + _size))
+
+#else
+
+#define dma_cache_inv(_start,_size)		do { } while (0)
+#define dma_cache_wback(_start,_size)		do { } while (0)
+#define dma_cache_wback_inv(_start,_size)	do { } while (0)
+
+#endif
+
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
  * access
diff --git a/include/asm-ppc64/dma-mapping.h b/include/asm-ppc64/dma-mapping.h
deleted file mode 100644
index fb68fa23bea..00000000000
--- a/include/asm-ppc64/dma-mapping.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/* Copyright (C) 2004 IBM
- *
- * Implements the generic device dma API for ppc64. Handles
- * the pci and vio busses
- */
-
-#ifndef _ASM_DMA_MAPPING_H
-#define _ASM_DMA_MAPPING_H
-
-#include <linux/types.h>
-#include <linux/cache.h>
-/* need struct page definitions */
-#include <linux/mm.h>
-#include <asm/scatterlist.h>
-#include <asm/bug.h>
-
-#define DMA_ERROR_CODE		(~(dma_addr_t)0x0)
-
-extern int dma_supported(struct device *dev, u64 mask);
-extern int dma_set_mask(struct device *dev, u64 dma_mask);
-extern void *dma_alloc_coherent(struct device *dev, size_t size,
-		dma_addr_t *dma_handle, gfp_t flag);
-extern void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
-		dma_addr_t dma_handle);
-extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr,
-		size_t size, enum dma_data_direction direction);
-extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr,
-		size_t size, enum dma_data_direction direction);
-extern dma_addr_t dma_map_page(struct device *dev, struct page *page,
-		unsigned long offset, size_t size,
-		enum dma_data_direction direction);
-extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
-		size_t size, enum dma_data_direction direction);
-extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-		enum dma_data_direction direction);
-extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
-		int nhwentries, enum dma_data_direction direction);
-
-static inline void
-dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
-			enum dma_data_direction direction)
-{
-	BUG_ON(direction == DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void
-dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
-			   enum dma_data_direction direction)
-{
-	BUG_ON(direction == DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void
-dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
-		    enum dma_data_direction direction)
-{
-	BUG_ON(direction == DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void
-dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
-		       enum dma_data_direction direction)
-{
-	BUG_ON(direction == DMA_NONE);
-	/* nothing to do */
-}
-
-static inline int dma_mapping_error(dma_addr_t dma_addr)
-{
-	return (dma_addr == DMA_ERROR_CODE);
-}
-
-/* Now for the API extensions over the pci_ one */
-
-#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
-#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-#define dma_is_consistent(d)	(1)
-
-static inline int
-dma_get_cache_alignment(void)
-{
-	/* no easy way to get cache size on all processors, so return
-	 * the maximum possible, to be safe */
-	return (1 << L1_CACHE_SHIFT_MAX);
-}
-
-static inline void
-dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t dma_handle,
-			      unsigned long offset, size_t size,
-			      enum dma_data_direction direction)
-{
-	BUG_ON(direction == DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void
-dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
-				 unsigned long offset, size_t size,
-				 enum dma_data_direction direction)
-{
-	BUG_ON(direction == DMA_NONE);
-	/* nothing to do */
-}
-
-static inline void
-dma_cache_sync(void *vaddr, size_t size,
-	       enum dma_data_direction direction)
-{
-	BUG_ON(direction == DMA_NONE);
-	/* nothing to do */
-}
-
-/*
- * DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
- */
-struct dma_mapping_ops {
-	void *		(*alloc_coherent)(struct device *dev, size_t size,
-				dma_addr_t *dma_handle, gfp_t flag);
-	void		(*free_coherent)(struct device *dev, size_t size,
-				void *vaddr, dma_addr_t dma_handle);
-	dma_addr_t	(*map_single)(struct device *dev, void *ptr,
-				size_t size, enum dma_data_direction direction);
-	void		(*unmap_single)(struct device *dev, dma_addr_t dma_addr,
-				size_t size, enum dma_data_direction direction);
-	int		(*map_sg)(struct device *dev, struct scatterlist *sg,
-				int nents, enum dma_data_direction direction);
-	void		(*unmap_sg)(struct device *dev, struct scatterlist *sg,
-				int nents, enum dma_data_direction direction);
-	int		(*dma_supported)(struct device *dev, u64 mask);
-	int		(*dac_dma_supported)(struct device *dev, u64 mask);
-};
-
-#endif	/* _ASM_DMA_MAPPING_H */
diff --git a/include/asm-ppc64/imalloc.h b/include/asm-ppc64/imalloc.h
deleted file mode 100644
index 42adf7033a8..00000000000
--- a/include/asm-ppc64/imalloc.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef _PPC64_IMALLOC_H
-#define _PPC64_IMALLOC_H
-
-/*
- * Define the address range of the imalloc VM area.
- */
-#define PHBS_IO_BASE  	  VMALLOC_END
-#define IMALLOC_BASE      (PHBS_IO_BASE + 0x80000000ul)	/* Reserve 2 gigs for PHBs */
-#define IMALLOC_END       (VMALLOC_START + PGTABLE_RANGE)
-
-
-/* imalloc region types */
-#define IM_REGION_UNUSED	0x1
-#define IM_REGION_SUBSET	0x2
-#define IM_REGION_EXISTS	0x4
-#define IM_REGION_OVERLAP	0x8
-#define IM_REGION_SUPERSET	0x10
-
-extern struct vm_struct * im_get_free_area(unsigned long size);
-extern struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size,
-				      int region_type);
-extern void im_free(void *addr);
-
-extern unsigned long ioremap_bot;
-
-#endif /* _PPC64_IMALLOC_H */
diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h
index b5d660089de..2b54eac738e 100644
--- a/include/linux/hdreg.h
+++ b/include/linux/hdreg.h
@@ -80,10 +80,12 @@
 /*
  * Define standard taskfile in/out register
  */
-#define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
 #define IDE_TASKFILE_STD_IN_FLAGS	0xFE
-#define IDE_HOB_STD_OUT_FLAGS		0x3C
 #define IDE_HOB_STD_IN_FLAGS		0x3C
+#ifndef __KERNEL__
+#define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
+#define IDE_HOB_STD_OUT_FLAGS		0x3C
+#endif
 
 typedef unsigned char task_ioreg_t;
 typedef unsigned long sata_ioreg_t;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index e99019057ba..a39c3c59789 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1201,37 +1201,11 @@ extern u64 ide_get_error_location(ide_drive_t *, char *);
  */
 typedef enum {
 	ide_wait,	/* insert rq at end of list, and wait for it */
-	ide_next,	/* insert rq immediately after current request */
 	ide_preempt,	/* insert rq in front of current request */
 	ide_head_wait,	/* insert rq in front of current request and wait for it */
 	ide_end		/* insert rq at end of list, but don't wait for it */
 } ide_action_t;
 
-/*
- * This function issues a special IDE device request
- * onto the request queue.
- *
- * If action is ide_wait, then the rq is queued at the end of the
- * request queue, and the function sleeps until it has been processed.
- * This is for use when invoked from an ioctl handler.
- *
- * If action is ide_preempt, then the rq is queued at the head of
- * the request queue, displacing the currently-being-processed
- * request and this function returns immediately without waiting
- * for the new rq to be completed.  This is VERY DANGEROUS, and is
- * intended for careful use by the ATAPI tape/cdrom driver code.
- *
- * If action is ide_next, then the rq is queued immediately after
- * the currently-being-processed-request (if any), and the function
- * returns without waiting for the new rq to be completed.  As above,
- * This is VERY DANGEROUS, and is intended for careful use by the
- * ATAPI tape/cdrom driver code.
- *
- * If action is ide_end, then the rq is queued at the end of the
- * request queue, and the function returns immediately without waiting
- * for the new rq to be completed. This is again intended for careful
- * use by the ATAPI tape/cdrom driver code.
- */
 extern int ide_do_drive_cmd(ide_drive_t *, struct request *, ide_action_t);
 
 /*
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 7b387faedb4..efb60d06caa 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -620,6 +620,7 @@
 #define PCI_DEVICE_ID_SI_961		0x0961
 #define PCI_DEVICE_ID_SI_962		0x0962
 #define PCI_DEVICE_ID_SI_963		0x0963
+#define PCI_DEVICE_ID_SI_965		0x0965
 #define PCI_DEVICE_ID_SI_5511		0x5511
 #define PCI_DEVICE_ID_SI_5513		0x5513
 #define PCI_DEVICE_ID_SI_5518		0x5518
@@ -1234,6 +1235,7 @@
 #define PCI_DEVICE_ID_VIA_8703_51_0	0x3148
 #define PCI_DEVICE_ID_VIA_8237_SATA	0x3149
 #define PCI_DEVICE_ID_VIA_XN266		0x3156
+#define PCI_DEVICE_ID_VIA_6410		0x3164
 #define PCI_DEVICE_ID_VIA_8754C_0	0x3168
 #define PCI_DEVICE_ID_VIA_8235		0x3177
 #define PCI_DEVICE_ID_VIA_8385_0	0x3188