Merge branch 'misc' into for-linus

Conflicts:
	arch/arm/mach-integrator/integrator_ap.c

arch/arm/Kconfig

@@ -212,6 +212,10 @@ config ARM_PATCH_PHYS_VIRT
 	  you need to shrink the kernel to the minimal size.
 
 
+config GENERIC_BUG
+	def_bool y
+	depends on BUG
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"

arch/arm/boot/Makefile

@@ -78,7 +78,16 @@ endif
 
 $(obj)/uImage: STARTADDR=$(LOADADDR)
 
+check_for_multiple_loadaddr = \
+if [ $(words $(LOADADDR)) -gt 1 ]; then \
+	echo 'multiple load addresses: $(LOADADDR)'; \
+	echo 'This is incompatible with uImages'; \
+	echo 'Specify LOADADDR on the commandline to build an uImage'; \
+	false; \
+fi
+
 $(obj)/uImage:	$(obj)/zImage FORCE
+	@$(check_for_multiple_loadaddr)
 	$(call if_changed,uimage)
 	@echo '  Image $@ is ready'
 

arch/arm/boot/compressed/Makefile

@@ -139,8 +139,16 @@ bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \
   ( echo "following symbols must have non local/private scope:" >&2; \
     echo "$$bad_syms" >&2; rm -f $@; false )
 
+check_for_multiple_zreladdr = \
+if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" = "" ]; then \
+	echo 'multiple zreladdrs: $(ZRELADDR)'; \
+	echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \
+	false; \
+fi
+
 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
 	 	$(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE
+	@$(check_for_multiple_zreladdr)
 	$(call if_changed,ld)
 	@$(check_for_bad_syms)
 

arch/arm/common/pl330.c

@@ -1546,7 +1546,7 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
 
 		/* Start the next */
 	case PL330_OP_START:
-		if (!_start(thrd))
+		if (!_thrd_active(thrd) && !_start(thrd))
 			ret = -EIO;
 		break;
 

arch/arm/configs/integrator_defconfig

 CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
+CONFIG_TINY_RCU=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -8,20 +9,29 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_ARCH_INTEGRATOR=y
 CONFIG_ARCH_INTEGRATOR_AP=y
+CONFIG_ARCH_INTEGRATOR_CP=y
 CONFIG_CPU_ARM720T=y
 CONFIG_CPU_ARM920T=y
+CONFIG_CPU_ARM922T=y
+CONFIG_CPU_ARM926T=y
+CONFIG_CPU_ARM1020=y
+CONFIG_CPU_ARM1022=y
+CONFIG_CPU_ARM1026=y
 CONFIG_PCI=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_AEABI=y
 CONFIG_LEDS=y
 CONFIG_LEDS_CPU=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp mem=32M"
+CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp"
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
 CONFIG_FPE_NWFPE=y
-CONFIG_PM=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -32,7 +42,6 @@ CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y
 # CONFIG_IPV6 is not set
 CONFIG_MTD=y
-CONFIG_MTD_PARTITIONS=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_AFS_PARTS=y
 CONFIG_MTD_CHAR=y
@@ -40,6 +49,7 @@ CONFIG_MTD_BLOCK=y
 CONFIG_MTD_CFI=y
 CONFIG_MTD_CFI_ADV_OPTIONS=y
 CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_PHYSMAP=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_SIZE=8192
@@ -56,6 +66,8 @@ CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_MATROX=y
 CONFIG_FB_MATROX_MILLENIUM=y
 CONFIG_FB_MATROX_MYSTIQUE=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PL030=y
 CONFIG_EXT2_FS=y
 CONFIG_TMPFS=y
 CONFIG_JFFS2_FS=y
@@ -68,4 +80,3 @@ CONFIG_NFSD_V3=y
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
-CONFIG_DEBUG_ERRORS=y

arch/arm/include/asm/Kbuild

 include include/asm-generic/Kbuild.asm
 
 header-y += hwcap.h
+
+generic-y += auxvec.h
+generic-y += bitsperlong.h
+generic-y += cputime.h
+generic-y += emergency-restart.h
+generic-y += errno.h
+generic-y += ioctl.h
+generic-y += irq_regs.h
+generic-y += kdebug.h
+generic-y += local.h
+generic-y += local64.h
+generic-y += percpu.h
+generic-y += poll.h
+generic-y += resource.h
+generic-y += sections.h
+generic-y += siginfo.h
+generic-y += sizes.h

arch/arm/include/asm/auxvec.h

-#ifndef __ASMARM_AUXVEC_H
-#define __ASMARM_AUXVEC_H
-
-#endif

arch/arm/include/asm/bitsperlong.h

-#include <asm-generic/bitsperlong.h>

arch/arm/include/asm/bug.h

@@ -3,21 +3,58 @@
 
 
 #ifdef CONFIG_BUG
-#ifdef CONFIG_DEBUG_BUGVERBOSE
-extern void __bug(const char *file, int line) __attribute__((noreturn));
-
-/* give file/line information */
-#define BUG()		__bug(__FILE__, __LINE__)
 
+/*
+ * Use a suitable undefined instruction to use for ARM/Thumb2 bug handling.
+ * We need to be careful not to conflict with those used by other modules and
+ * the register_undef_hook() system.
+ */
+#ifdef CONFIG_THUMB2_KERNEL
+#define BUG_INSTR_VALUE 0xde02
+#define BUG_INSTR_TYPE ".hword "
 #else
+#define BUG_INSTR_VALUE 0xe7f001f2
+#define BUG_INSTR_TYPE ".word "
+#endif
 
-/* this just causes an oops */
-#define BUG()		do { *(int *)0 = 0; } while (1)
 
-#endif
+#define BUG() _BUG(__FILE__, __LINE__, BUG_INSTR_VALUE)
+#define _BUG(file, line, value) __BUG(file, line, value)
+
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+
+/*
+ * The extra indirection is to ensure that the __FILE__ string comes through
+ * OK. Many version of gcc do not support the asm %c parameter which would be
+ * preferable to this unpleasantness. We use mergeable string sections to
+ * avoid multiple copies of the string appearing in the kernel image.
+ */
+
+#define __BUG(__file, __line, __value)				\
+do {								\
+	BUILD_BUG_ON(sizeof(struct bug_entry) != 12);		\
+	asm volatile("1:\t" BUG_INSTR_TYPE #__value "\n"	\
+		".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \
+		"2:\t.asciz " #__file "\n" 			\
+		".popsection\n" 				\
+		".pushsection __bug_table,\"a\"\n"		\
+		"3:\t.word 1b, 2b\n"				\
+		"\t.hword " #__line ", 0\n"			\
+		".popsection");					\
+	unreachable();						\
+} while (0)
+
+#else  /* not CONFIG_DEBUG_BUGVERBOSE */
+
+#define __BUG(__file, __line, __value)				\
+do {								\
+	asm volatile(BUG_INSTR_TYPE #__value);			\
+	unreachable();						\
+} while (0)
+#endif  /* CONFIG_DEBUG_BUGVERBOSE */
 
 #define HAVE_ARCH_BUG
-#endif
+#endif  /* CONFIG_BUG */
 
 #include <asm-generic/bug.h>
 

arch/arm/include/asm/cachetype.h

@@ -7,6 +7,7 @@
 #define CACHEID_VIPT			(CACHEID_VIPT_ALIASING|CACHEID_VIPT_NONALIASING)
 #define CACHEID_ASID_TAGGED		(1 << 3)
 #define CACHEID_VIPT_I_ALIASING		(1 << 4)
+#define CACHEID_PIPT			(1 << 5)
 
 extern unsigned int cacheid;
 
@@ -16,6 +17,7 @@ extern unsigned int cacheid;
 #define cache_is_vipt_aliasing()	cacheid_is(CACHEID_VIPT_ALIASING)
 #define icache_is_vivt_asid_tagged()	cacheid_is(CACHEID_ASID_TAGGED)
 #define icache_is_vipt_aliasing()	cacheid_is(CACHEID_VIPT_I_ALIASING)
+#define icache_is_pipt()		cacheid_is(CACHEID_PIPT)
 
 /*
  * __LINUX_ARM_ARCH__ is the minimum supported CPU architecture
@@ -26,7 +28,8 @@ extern unsigned int cacheid;
 #if __LINUX_ARM_ARCH__ >= 7
 #define __CACHEID_ARCH_MIN	(CACHEID_VIPT_NONALIASING |\
 				 CACHEID_ASID_TAGGED |\
-				 CACHEID_VIPT_I_ALIASING)
+				 CACHEID_VIPT_I_ALIASING |\
+				 CACHEID_PIPT)
 #elif __LINUX_ARM_ARCH__ >= 6
 #define	__CACHEID_ARCH_MIN	(~CACHEID_VIVT)
 #else

arch/arm/include/asm/cputime.h

-#ifndef __ARM_CPUTIME_H
-#define __ARM_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* __ARM_CPUTIME_H */

arch/arm/include/asm/device.h

@@ -10,6 +10,9 @@ struct dev_archdata {
 #ifdef CONFIG_DMABOUNCE
 	struct dmabounce_device_info *dmabounce;
 #endif
+#ifdef CONFIG_IOMMU_API
+	void *iommu; /* private IOMMU data */
+#endif
 };
 
 struct pdev_archdata {

arch/arm/include/asm/emergency-restart.h

-#ifndef _ASM_EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* _ASM_EMERGENCY_RESTART_H */

arch/arm/include/asm/errno.h

-#ifndef _ARM_ERRNO_H
-#define _ARM_ERRNO_H
-
-#include <asm-generic/errno.h>
-
-#endif

arch/arm/include/asm/io.h

@@ -80,6 +80,7 @@ extern void __iomem *__arm_ioremap_caller(unsigned long, size_t, unsigned int,
 
 extern void __iomem *__arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int);
 extern void __iomem *__arm_ioremap(unsigned long, size_t, unsigned int);
+extern void __iomem *__arm_ioremap_exec(unsigned long, size_t, bool cached);
 extern void __iounmap(volatile void __iomem *addr);
 
 /*
@@ -210,11 +211,11 @@ extern void _memset_io(volatile void __iomem *, int, size_t);
  * IO port primitives for more information.
  */
 #ifdef __mem_pci
-#define readb_relaxed(c) ({ u8  __v = __raw_readb(__mem_pci(c)); __v; })
-#define readw_relaxed(c) ({ u16 __v = le16_to_cpu((__force __le16) \
-					__raw_readw(__mem_pci(c))); __v; })
-#define readl_relaxed(c) ({ u32 __v = le32_to_cpu((__force __le32) \
-					__raw_readl(__mem_pci(c))); __v; })
+#define readb_relaxed(c) ({ u8  __r = __raw_readb(__mem_pci(c)); __r; })
+#define readw_relaxed(c) ({ u16 __r = le16_to_cpu((__force __le16) \
+					__raw_readw(__mem_pci(c))); __r; })
+#define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32) \
+					__raw_readl(__mem_pci(c))); __r; })
 
 #define writeb_relaxed(v,c)	((void)__raw_writeb(v,__mem_pci(c)))
 #define writew_relaxed(v,c)	((void)__raw_writew((__force u16) \

arch/arm/include/asm/ioctl.h

-#include <asm-generic/ioctl.h>

arch/arm/include/asm/irq_regs.h

-#include <asm-generic/irq_regs.h>

arch/arm/include/asm/kdebug.h

-#include <asm-generic/kdebug.h>

arch/arm/include/asm/local.h

-#include <asm-generic/local.h>

arch/arm/include/asm/local64.h

-#include <asm-generic/local64.h>

arch/arm/include/asm/mach/arch.h

@@ -34,8 +34,7 @@ struct machine_desc {
 	unsigned int		reserve_lp1 :1;	/* never has lp1	*/
 	unsigned int		reserve_lp2 :1;	/* never has lp2	*/
 	unsigned int		soft_reboot :1;	/* soft reboot		*/
-	void			(*fixup)(struct machine_desc *,
-					 struct tag *, char **,
+	void			(*fixup)(struct tag *, char **,
 					 struct meminfo *);
 	void			(*reserve)(void);/* reserve mem blocks	*/
 	void			(*map_io)(void);/* IO mapping function	*/

arch/arm/include/asm/percpu.h

-#ifndef __ARM_PERCPU
-#define __ARM_PERCPU
-
-#include <asm-generic/percpu.h>
-
-#endif

arch/arm/include/asm/poll.h

-#include <asm-generic/poll.h>

arch/arm/include/asm/resource.h

-#ifndef _ARM_RESOURCE_H
-#define _ARM_RESOURCE_H
-
-#include <asm-generic/resource.h>
-
-#endif

arch/arm/include/asm/sections.h

-#include <asm-generic/sections.h>

arch/arm/include/asm/siginfo.h

-#ifndef _ASMARM_SIGINFO_H
-#define _ASMARM_SIGINFO_H
-
-#include <asm-generic/siginfo.h>
-
-#endif

arch/arm/include/asm/sizes.h

-/*
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-/*  Size definitions
- *  Copyright (C) ARM Limited 1998. All rights reserved.
- */
-#include <asm-generic/sizes.h>
-
-#define SZ_48M	(SZ_32M + SZ_16M)

arch/arm/include/asm/system.h

@@ -57,6 +57,7 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/compiler.h>
 #include <linux/linkage.h>
 #include <linux/irqflags.h>
 
@@ -90,14 +91,13 @@ void hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int,
 #define xchg(ptr,x) \
 	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-extern asmlinkage void __backtrace(void);
 extern asmlinkage void c_backtrace(unsigned long fp, int pmode);
 
 struct mm_struct;
 extern void show_pte(struct mm_struct *mm, unsigned long addr);
 extern void __show_regs(struct pt_regs *);
 
-extern int cpu_architecture(void);
+extern int __pure cpu_architecture(void);
 extern void cpu_init(void);
 
 void arm_machine_restart(char mode, const char *cmd);

arch/arm/kernel/armksyms.c

@@ -49,9 +49,6 @@ extern void __aeabi_ulcmp(void);
 
 extern void fpundefinstr(void);
 
-
-EXPORT_SYMBOL(__backtrace);
-
 	/* platform dependent support */
 EXPORT_SYMBOL(__udelay);
 EXPORT_SYMBOL(__const_udelay);

arch/arm/kernel/debug.S

@@ -151,6 +151,8 @@ printhex:	adr	r2, hexbuf
 		b	printascii
 ENDPROC(printhex2)
 
+hexbuf:		.space 16
+
 		.ltorg
 
 ENTRY(printascii)
@@ -175,5 +177,3 @@ ENTRY(printch)
 		mov	r0, #0
 		b	1b
 ENDPROC(printch)
-
-hexbuf:		.space 16

arch/arm/kernel/entry-armv.S

@@ -24,6 +24,7 @@
 #include <asm/unwind.h>
 #include <asm/unistd.h>
 #include <asm/tls.h>
+#include <asm/system.h>
 
 #include "entry-header.S"
 #include <asm/entry-macro-multi.S>
@@ -262,8 +263,7 @@ __und_svc:
 	ldr	r0, [r4, #-4]
 #else
 	ldrh	r0, [r4, #-2]			@ Thumb instruction at LR - 2
-	and	r9, r0, #0xf800
-	cmp	r9, #0xe800			@ 32-bit instruction if xx >= 0
+	cmp	r0, #0xe800			@ 32-bit instruction if xx >= 0
 	ldrhhs	r9, [r4]			@ bottom 16 bits
 	orrhs	r0, r9, r0, lsl #16
 #endif
@@ -440,18 +440,46 @@ __und_usr:
 #endif
 	beq	call_fpe
 	@ Thumb instruction
-#if __LINUX_ARM_ARCH__ >= 7
+#if CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7
+/*
+ * Thumb-2 instruction handling.  Note that because pre-v6 and >= v6 platforms
+ * can never be supported in a single kernel, this code is not applicable at
+ * all when __LINUX_ARM_ARCH__ < 6.  This allows simplifying assumptions to be
+ * made about .arch directives.
+ */
+#if __LINUX_ARM_ARCH__ < 7
+/* If the target CPU may not be Thumb-2-capable, a run-time check is needed: */
+#define NEED_CPU_ARCHITECTURE
+	ldr	r5, .LCcpu_architecture
+	ldr	r5, [r5]
+	cmp	r5, #CPU_ARCH_ARMv7
+	blo	__und_usr_unknown
+/*
+ * The following code won't get run unless the running CPU really is v7, so
+ * coding round the lack of ldrht on older arches is pointless.  Temporarily
+ * override the assembler target arch with the minimum required instead:
+ */
+	.arch	armv6t2
+#endif
 2:
  ARM(	ldrht	r5, [r4], #2	)
  THUMB(	ldrht	r5, [r4]	)
  THUMB(	add	r4, r4, #2	)
-	and	r0, r5, #0xf800			@ mask bits 111x x... .... ....
-	cmp	r0, #0xe800			@ 32bit instruction if xx != 0
+	cmp	r5, #0xe800			@ 32bit instruction if xx != 0
 	blo	__und_usr_unknown
 3:	ldrht	r0, [r4]
 	add	r2, r2, #2			@ r2 is PC + 2, make it PC + 4
 	orr	r0, r0, r5, lsl #16
+
+#if __LINUX_ARM_ARCH__ < 7
+/* If the target arch was overridden, change it back: */
+#ifdef CONFIG_CPU_32v6K
+	.arch	armv6k
 #else
+	.arch	armv6
+#endif
+#endif /* __LINUX_ARM_ARCH__ < 7 */
+#else /* !(CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7) */
 	b	__und_usr_unknown
 #endif
  UNWIND(.fnend		)
@@ -578,6 +606,12 @@ call_fpe:
 	movw_pc	lr				@ CP#14 (Debug)
 	movw_pc	lr				@ CP#15 (Control)
 
+#ifdef NEED_CPU_ARCHITECTURE
+	.align	2
+.LCcpu_architecture:
+	.word	__cpu_architecture
+#endif
+
 #ifdef CONFIG_NEON
 	.align	6
 

arch/arm/kernel/machine_kexec.c

@@ -32,6 +32,24 @@ static atomic_t waiting_for_crash_ipi;
 
 int machine_kexec_prepare(struct kimage *image)
 {
+	unsigned long page_list;
+	void *reboot_code_buffer;
+	page_list = image->head & PAGE_MASK;
+
+	reboot_code_buffer = page_address(image->control_code_page);
+
+	/* Prepare parameters for reboot_code_buffer*/
+	kexec_start_address = image->start;
+	kexec_indirection_page = page_list;
+	kexec_mach_type = machine_arch_type;
+	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
+
+	/* copy our kernel relocation code to the control code page */
+	memcpy(reboot_code_buffer,
+	       relocate_new_kernel, relocate_new_kernel_size);
+
+	flush_icache_range((unsigned long) reboot_code_buffer,
+			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	return 0;
 }
 
@@ -82,31 +100,14 @@ void (*kexec_reinit)(void);
 
 void machine_kexec(struct kimage *image)
 {
-	unsigned long page_list;
 	unsigned long reboot_code_buffer_phys;
 	void *reboot_code_buffer;
 
-
-	page_list = image->head & PAGE_MASK;
-
 	/* we need both effective and real address here */
 	reboot_code_buffer_phys =
 	    page_to_pfn(image->control_code_page) << PAGE_SHIFT;
 	reboot_code_buffer = page_address(image->control_code_page);
 
-	/* Prepare parameters for reboot_code_buffer*/
-	kexec_start_address = image->start;
-	kexec_indirection_page = page_list;
-	kexec_mach_type = machine_arch_type;
-	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
-
-	/* copy our kernel relocation code to the control code page */
-	memcpy(reboot_code_buffer,
-	       relocate_new_kernel, relocate_new_kernel_size);
-
-
-	flush_icache_range((unsigned long) reboot_code_buffer,
-			   (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	printk(KERN_INFO "Bye!\n");
 
 	if (kexec_reinit)

arch/arm/kernel/process.c

@@ -319,7 +319,7 @@ void show_regs(struct pt_regs * regs)
 	printk("\n");
 	printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm);
 	__show_regs(regs);
-	__backtrace();
+	dump_stack();
 }
 
 ATOMIC_NOTIFIER_HEAD(thread_notify_head);

arch/arm/kernel/setup.c

@@ -29,6 +29,8 @@
 #include <linux/fs.h>
 #include <linux/proc_fs.h>
 #include <linux/memblock.h>
+#include <linux/bug.h>
+#include <linux/compiler.h>
 
 #include <asm/unified.h>
 #include <asm/cpu.h>
@@ -42,6 +44,7 @@
 #include <asm/cacheflush.h>
 #include <asm/cachetype.h>
 #include <asm/tlbflush.h>
+#include <asm/system.h>
 
 #include <asm/prom.h>
 #include <asm/mach/arch.h>
@@ -115,6 +118,13 @@ struct outer_cache_fns outer_cache __read_mostly;
 EXPORT_SYMBOL(outer_cache);
 #endif
 
+/*
+ * Cached cpu_architecture() result for use by assembler code.
+ * C code should use the cpu_architecture() function instead of accessing this
+ * variable directly.
+ */
+int __cpu_architecture __read_mostly = CPU_ARCH_UNKNOWN;
+
 struct stack {
 	u32 irq[3];
 	u32 abt[3];
@@ -210,7 +220,7 @@ static const char *proc_arch[] = {
 	"?(17)",
 };
 
-int cpu_architecture(void)
+static int __get_cpu_architecture(void)
 {
 	int cpu_arch;
 
@@ -243,11 +253,22 @@ int cpu_architecture(void)
 	return cpu_arch;
 }
 
+int __pure cpu_architecture(void)
+{
+	BUG_ON(__cpu_architecture == CPU_ARCH_UNKNOWN);
+
+	return __cpu_architecture;
+}
+
 static int cpu_has_aliasing_icache(unsigned int arch)
 {
 	int aliasing_icache;
 	unsigned int id_reg, num_sets, line_size;
 
+	/* PIPT caches never alias. */
+	if (icache_is_pipt())
+		return 0;
+
 	/* arch specifies the register format */
 	switch (arch) {
 	case CPU_ARCH_ARMv7:
@@ -282,8 +303,14 @@ static void __init cacheid_init(void)
 			/* ARMv7 register format */
 			arch = CPU_ARCH_ARMv7;
 			cacheid = CACHEID_VIPT_NONALIASING;
-			if ((cachetype & (3 << 14)) == 1 << 14)
+			switch (cachetype & (3 << 14)) {
+			case (1 << 14):
 				cacheid |= CACHEID_ASID_TAGGED;
+				break;
+			case (3 << 14):
+				cacheid |= CACHEID_PIPT;
+				break;
+			}
 		} else {
 			arch = CPU_ARCH_ARMv6;
 			if (cachetype & (1 << 23))
@@ -300,10 +327,11 @@ static void __init cacheid_init(void)
 	printk("CPU: %s data cache, %s instruction cache\n",
 		cache_is_vivt() ? "VIVT" :
 		cache_is_vipt_aliasing() ? "VIPT aliasing" :
-		cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown",
+		cache_is_vipt_nonaliasing() ? "PIPT / VIPT nonaliasing" : "unknown",
 		cache_is_vivt() ? "VIVT" :
 		icache_is_vivt_asid_tagged() ? "VIVT ASID tagged" :
 		icache_is_vipt_aliasing() ? "VIPT aliasing" :
+		icache_is_pipt() ? "PIPT" :
 		cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown");
 }
 
@@ -414,6 +442,7 @@ static void __init setup_processor(void)
 	}
 
 	cpu_name = list->cpu_name;
+	__cpu_architecture = __get_cpu_architecture();
 
 #ifdef MULTI_CPU
 	processor = *list->proc;
@@ -861,7 +890,7 @@ static struct machine_desc * __init setup_machine_tags(unsigned int nr)
 	}
 
 	if (mdesc->fixup)
-		mdesc->fixup(mdesc, tags, &from, &meminfo);
+		mdesc->fixup(tags, &from, &meminfo);
 
 	if (tags->hdr.tag == ATAG_CORE) {
 		if (meminfo.nr_banks != 0)

arch/arm/kernel/smp.c

@@ -319,17 +319,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	 */
 	platform_secondary_init(cpu);
 
-	/*
-	 * Enable local interrupts.
-	 */
 	notify_cpu_starting(cpu);
-	local_irq_enable();
-	local_fiq_enable();
-
-	/*
-	 * Setup the percpu timer for this CPU.
-	 */
-	percpu_timer_setup();
 
 	calibrate_delay();
 
@@ -341,9 +331,22 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	 * before we continue.
 	 */
 	set_cpu_online(cpu, true);
+
+	/*
+	 * Setup the percpu timer for this CPU.
+	 */
+	percpu_timer_setup();
+
 	while (!cpu_active(cpu))
 		cpu_relax();
 
+	/*
+	 * cpu_active bit is set, so it's safe to enalbe interrupts
+	 * now.
+	 */
+	local_irq_enable();
+	local_fiq_enable();
+
 	/*
 	 * OK, it's off to the idle thread for us
 	 */

arch/arm/kernel/traps.c

@@ -21,6 +21,7 @@
 #include <linux/kdebug.h>
 #include <linux/module.h>
 #include <linux/kexec.h>
+#include <linux/bug.h>
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/sched.h>
@@ -271,6 +272,8 @@ void die(const char *str, struct pt_regs *regs, int err)
 	spin_lock_irq(&die_lock);
 	console_verbose();
 	bust_spinlocks(1);
+	if (!user_mode(regs))
+		report_bug(regs->ARM_pc, regs);
 	ret = __die(str, err, thread, regs);
 
 	if (regs && kexec_should_crash(thread->task))
@@ -302,6 +305,24 @@ void arm_notify_die(const char *str, struct pt_regs *regs,
 	}
 }
 
+#ifdef CONFIG_GENERIC_BUG
+
+int is_valid_bugaddr(unsigned long pc)
+{
+#ifdef CONFIG_THUMB2_KERNEL
+	unsigned short bkpt;
+#else
+	unsigned long bkpt;
+#endif
+
+	if (probe_kernel_address((unsigned *)pc, bkpt))
+		return 0;
+
+	return bkpt == BUG_INSTR_VALUE;
+}
+
+#endif
+
 static LIST_HEAD(undef_hook);
 static DEFINE_SPINLOCK(undef_lock);
 
@@ -707,16 +728,6 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs)
 	arm_notify_die("unknown data abort code", regs, &info, instr, 0);
 }
 
-void __attribute__((noreturn)) __bug(const char *file, int line)
-{
-	printk(KERN_CRIT"kernel BUG at %s:%d!\n", file, line);
-	*(int *)0 = 0;
-
-	/* Avoid "noreturn function does return" */
-	for (;;);
-}
-EXPORT_SYMBOL(__bug);
-
 void __readwrite_bug(const char *fn)
 {
 	printk("%s called, but not implemented\n", fn);

arch/arm/kernel/vmlinux.lds.S

@@ -21,7 +21,8 @@
 #define ARM_CPU_KEEP(x)
 #endif
 
-#if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)
+#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \
+	defined(CONFIG_GENERIC_BUG)
 #define ARM_EXIT_KEEP(x)	x
 #define ARM_EXIT_DISCARD(x)
 #else

arch/arm/lib/backtrace.S

@@ -22,15 +22,10 @@
 #define mask	r7
 #define offset	r8
 
-ENTRY(__backtrace)
-		mov	r1, #0x10
-		mov	r0, fp
-
 ENTRY(c_backtrace)
 
 #if !defined(CONFIG_FRAME_POINTER) || !defined(CONFIG_PRINTK)
 		mov	pc, lr
-ENDPROC(__backtrace)
 ENDPROC(c_backtrace)
 #else
 		stmfd	sp!, {r4 - r8, lr}	@ Save an extra register so we have a location...
@@ -107,7 +102,6 @@ for_each_frame:	tst	frame, mask		@ Check for address exceptions
 		mov	r1, frame
 		bl	printk
 no_frame:	ldmfd	sp!, {r4 - r8, pc}
-ENDPROC(__backtrace)
 ENDPROC(c_backtrace)
 		
 		.pushsection __ex_table,"a"

arch/arm/lib/div64.S

@@ -13,6 +13,7 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/unwind.h>
 
 #ifdef __ARMEB__
 #define xh r0
@@ -44,6 +45,7 @@
  */
 
 ENTRY(__do_div64)
+UNWIND(.fnstart)
 
 	@ Test for easy paths first.
 	subs	ip, r4, #1
@@ -189,7 +191,12 @@ ENTRY(__do_div64)
 	moveq	yh, xh
 	moveq	xh, #0
 	moveq	pc, lr
+UNWIND(.fnend)
 
+UNWIND(.fnstart)
+UNWIND(.pad #4)
+UNWIND(.save {lr})
+Ldiv0_64:
 	@ Division by 0:
 	str	lr, [sp, #-8]!
 	bl	__div0
@@ -200,4 +207,5 @@ ENTRY(__do_div64)
 	mov	xh, #0
 	ldr	pc, [sp], #8
 
+UNWIND(.fnend)
 ENDPROC(__do_div64)

arch/arm/mach-at91/Makefile.boot

@@ -4,15 +4,15 @@
 #   INITRD_PHYS must be in RAM
 
 ifeq ($(CONFIG_ARCH_AT91CAP9),y)
-   zreladdr-y	:= 0x70008000
+   zreladdr-y	+= 0x70008000
 params_phys-y	:= 0x70000100
 initrd_phys-y	:= 0x70410000
 else ifeq ($(CONFIG_ARCH_AT91SAM9G45),y)
-   zreladdr-y	:= 0x70008000
+   zreladdr-y	+= 0x70008000
 params_phys-y	:= 0x70000100
 initrd_phys-y	:= 0x70410000
 else
-   zreladdr-y	:= 0x20008000
+   zreladdr-y	+= 0x20008000
 params_phys-y	:= 0x20000100
 initrd_phys-y	:= 0x20410000
 endif

arch/arm/mach-bcmring/Makefile.boot

 # Address where decompressor will be written and eventually executed.
 #
 # default to SDRAM
-zreladdr-y      := $(CONFIG_BCM_ZRELADDR)
+zreladdr-y      += $(CONFIG_BCM_ZRELADDR)
 params_phys-y   := 0x00000800
 

arch/arm/mach-bcmring/arch.c

@@ -136,8 +136,8 @@ static void __init bcmring_init_machine(void)
 *
 *****************************************************************************/
 
-static void __init bcmring_fixup(struct machine_desc *desc,
-     struct tag *t, char **cmdline, struct meminfo *mi) {
+static void __init bcmring_fixup(struct tag *t, char **cmdline,
+	struct meminfo *mi) {
 #ifdef CONFIG_BLK_DEV_INITRD
 	printk(KERN_NOTICE "bcmring_fixup\n");
 	t->hdr.tag = ATAG_CORE;

arch/arm/mach-clps711x/Makefile.boot

 # The standard locations for stuff on CLPS711x type processors
-   zreladdr-y				:= 0xc0028000
+   zreladdr-y				+= 0xc0028000
 params_phys-y				:= 0xc0000100
 # Should probably have some agreement on these...
 initrd_phys-$(CONFIG_ARCH_P720T)	:= 0xc0400000

arch/arm/mach-clps711x/clep7312.c

@@ -26,8 +26,7 @@
 #include "common.h"
 
 static void __init
-fixup_clep7312(struct machine_desc *desc, struct tag *tags,
-	    char **cmdline, struct meminfo *mi)
+fixup_clep7312(struct tag *tags, char **cmdline, struct meminfo *mi)
 {
 	mi->nr_banks=1;
 	mi->bank[0].start = 0xc0000000;

arch/arm/mach-clps711x/edb7211-arch.c

@@ -37,8 +37,7 @@ static void __init edb7211_reserve(void)
 }
 
 static void __init
-fixup_edb7211(struct machine_desc *desc, struct tag *tags,
-	      char **cmdline, struct meminfo *mi)
+fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
 {
 	/*
 	 * Bank start addresses are not present in the information

arch/arm/mach-clps711x/fortunet.c

@@ -57,8 +57,7 @@ typedef struct tag_IMAGE_PARAMS
 #define IMAGE_PARAMS_PHYS	0xC01F0000
 
 static void __init
-fortunet_fixup(struct machine_desc *desc, struct tag *tags,
-		 char **cmdline, struct meminfo *mi)
+fortunet_fixup(struct tag *tags, char **cmdline, struct meminfo *mi)
 {
 	IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
 	*cmdline = phys_to_virt(ip->command_line);

arch/arm/mach-clps711x/p720t.c

@@ -56,8 +56,7 @@ static struct map_desc p720t_io_desc[] __initdata = {
 };
 
 static void __init
-fixup_p720t(struct machine_desc *desc, struct tag *tag,
-	    char **cmdline, struct meminfo *mi)
+fixup_p720t(struct tag *tag, char **cmdline, struct meminfo *mi)
 {
 	/*
 	 * Our bootloader doesn't setup any tags (yet).

arch/arm/mach-cns3xxx/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00C00000

arch/arm/mach-davinci/Makefile.boot

@@ -2,12 +2,12 @@ ifeq ($(CONFIG_ARCH_DAVINCI_DA8XX),y)
 ifeq ($(CONFIG_ARCH_DAVINCI_DMx),y)
 $(error Cannot enable DaVinci and DA8XX platforms concurrently)
 else
-   zreladdr-y	:= 0xc0008000
+   zreladdr-y	+= 0xc0008000
 params_phys-y	:= 0xc0000100
 initrd_phys-y	:= 0xc0800000
 endif
 else
-   zreladdr-y	:= 0x80008000
+   zreladdr-y	+= 0x80008000
 params_phys-y	:= 0x80000100
 initrd_phys-y	:= 0x80800000
 endif

arch/arm/mach-dove/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000

arch/arm/mach-ebsa110/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000400
 initrd_phys-y	:= 0x00800000
 

arch/arm/mach-ep93xx/Makefile.boot

-   zreladdr-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)	:= 0x00008000
+   zreladdr-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)	+= 0x00008000
 params_phys-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET)	:= 0x00000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)		:= 0xc0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)		+= 0xc0008000
 params_phys-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)		:= 0xc0000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)		:= 0xd0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)		+= 0xd0008000
 params_phys-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)		:= 0xd0000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)		:= 0xe0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)		+= 0xe0008000
 params_phys-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)		:= 0xe0000100
 
-   zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)	:= 0xf0008000
+   zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)	+= 0xf0008000
 params_phys-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)	:= 0xf0000100

arch/arm/mach-exynos4/Makefile.boot

-   zreladdr-y	:= 0x40008000
+   zreladdr-y	+= 0x40008000
 params_phys-y	:= 0x40000100

arch/arm/mach-footbridge/Kconfig

@@ -4,8 +4,8 @@ menu "Footbridge Implementations"
 
 config ARCH_CATS
 	bool "CATS"
-	select CLKSRC_I8253
 	select CLKEVT_I8253
+	select CLKSRC_I8253
 	select FOOTBRIDGE_HOST
 	select ISA
 	select ISA_DMA
@@ -61,8 +61,8 @@ config ARCH_EBSA285_HOST
 
 config ARCH_NETWINDER
 	bool "NetWinder"
-	select CLKSRC_I8253
 	select CLKEVT_I8253
+	select CLKSRC_I8253
 	select FOOTBRIDGE_HOST
 	select ISA
 	select ISA_DMA

arch/arm/mach-footbridge/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 

arch/arm/mach-footbridge/cats-hw.c

@@ -76,8 +76,7 @@ __initcall(cats_hw_init);
  * hard reboots fail on early boards.
  */
 static void __init
-fixup_cats(struct machine_desc *desc, struct tag *tags,
-	   char **cmdline, struct meminfo *mi)
+fixup_cats(struct tag *tags, char **cmdline, struct meminfo *mi)
 {
 	screen_info.orig_video_lines  = 25;
 	screen_info.orig_video_points = 16;

arch/arm/mach-footbridge/netwinder-hw.c

@@ -631,8 +631,7 @@ __initcall(nw_hw_init);
  * the parameter page.
  */
 static void __init
-fixup_netwinder(struct machine_desc *desc, struct tag *tags,
-		char **cmdline, struct meminfo *mi)
+fixup_netwinder(struct tag *tags, char **cmdline, struct meminfo *mi)
 {
 #ifdef CONFIG_ISAPNP
 	extern int isapnp_disable;

arch/arm/mach-gemini/Makefile.boot

 ifeq ($(CONFIG_GEMINI_MEM_SWAP),y)
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 else
-   zreladdr-y	:= 0x10008000
+   zreladdr-y	+= 0x10008000
 params_phys-y	:= 0x10000100
 initrd_phys-y	:= 0x10800000
 endif

arch/arm/mach-h720x/Makefile.boot

-   zreladdr-$(CONFIG_ARCH_H720X)	:= 0x40008000
+   zreladdr-$(CONFIG_ARCH_H720X)	+= 0x40008000
 

arch/arm/mach-imx/Makefile.boot

-zreladdr-$(CONFIG_ARCH_MX1)	:= 0x08008000
+zreladdr-$(CONFIG_ARCH_MX1)	+= 0x08008000
 params_phys-$(CONFIG_ARCH_MX1)	:= 0x08000100
 initrd_phys-$(CONFIG_ARCH_MX1)	:= 0x08800000
 
-zreladdr-$(CONFIG_MACH_MX21)	:= 0xC0008000
+zreladdr-$(CONFIG_MACH_MX21)	+= 0xC0008000
 params_phys-$(CONFIG_MACH_MX21)	:= 0xC0000100
 initrd_phys-$(CONFIG_MACH_MX21)	:= 0xC0800000
 
-zreladdr-$(CONFIG_ARCH_MX25)	:= 0x80008000
+zreladdr-$(CONFIG_ARCH_MX25)	+= 0x80008000
 params_phys-$(CONFIG_ARCH_MX25)	:= 0x80000100
 initrd_phys-$(CONFIG_ARCH_MX25)	:= 0x80800000
 
-zreladdr-$(CONFIG_MACH_MX27)	:= 0xA0008000
+zreladdr-$(CONFIG_MACH_MX27)	+= 0xA0008000
 params_phys-$(CONFIG_MACH_MX27)	:= 0xA0000100
 initrd_phys-$(CONFIG_MACH_MX27)	:= 0xA0800000
 
-zreladdr-$(CONFIG_ARCH_MX3)	:= 0x80008000
+zreladdr-$(CONFIG_ARCH_MX3)	+= 0x80008000
 params_phys-$(CONFIG_ARCH_MX3)	:= 0x80000100
 initrd_phys-$(CONFIG_ARCH_MX3)	:= 0x80800000

arch/arm/mach-integrator/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 

arch/arm/mach-integrator/core.c

@@ -126,6 +126,10 @@ static struct clk_lookup lookups[] = {
 	{	/* Bus clock */
 		.con_id		= "apb_pclk",
 		.clk		= &dummy_apb_pclk,
+	}, {
+		/* Integrator/AP timer frequency */
+		.dev_id		= "ap_timer",
+		.clk		= &clk24mhz,
 	}, {	/* UART0 */
 		.dev_id		= "mb:16",
 		.clk		= &uartclk,

arch/arm/mach-integrator/include/mach/platform.h

@@ -13,9 +13,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
-/* DO NOT EDIT!! - this file automatically generated
- *                 from .s file by awk -f s2h.awk
- */
 /**************************************************************************
  * * Copyright © ARM Limited 1998.  All rights reserved.
  * ***********************************************************************/
@@ -399,15 +396,6 @@
 #define INTEGRATOR_TIMER1_BASE          (INTEGRATOR_CT_BASE + 0x100)
 #define INTEGRATOR_TIMER2_BASE          (INTEGRATOR_CT_BASE + 0x200)
 
-#define TICKS_PER_uSEC                  24
-
-/*
- *  These are useconds NOT ticks.
- *
- */
-#define mSEC_1                          1000
-#define mSEC_10                         (mSEC_1 * 10)
-
 #define INTEGRATOR_CSR_BASE             0x10000000
 #define INTEGRATOR_CSR_SIZE             0x10000000
 

arch/arm/mach-integrator/integrator_ap.c

@@ -32,6 +32,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/mtd/physmap.h>
+#include <linux/clk.h>
 #include <video/vga.h>
 
 #include <mach/hardware.h>
@@ -322,27 +323,16 @@ static void __init ap_init(void)
 #define TIMER1_VA_BASE IO_ADDRESS(INTEGRATOR_TIMER1_BASE)
 #define TIMER2_VA_BASE IO_ADDRESS(INTEGRATOR_TIMER2_BASE)
 
-/*
- * How long is the timer interval?
- */
-#define TIMER_INTERVAL	(TICKS_PER_uSEC * mSEC_10)
-#if TIMER_INTERVAL >= 0x100000
-#define TICKS2USECS(x)	(256 * (x) / TICKS_PER_uSEC)
-#elif TIMER_INTERVAL >= 0x10000
-#define TICKS2USECS(x)	(16 * (x) / TICKS_PER_uSEC)
-#else
-#define TICKS2USECS(x)	((x) / TICKS_PER_uSEC)
-#endif
-
 static unsigned long timer_reload;
 
-static void integrator_clocksource_init(u32 khz)
+static void integrator_clocksource_init(unsigned long inrate)
 {
 	void __iomem *base = (void __iomem *)TIMER2_VA_BASE;
 	u32 ctrl = TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC;
+	unsigned long rate = inrate;
 
-	if (khz >= 1500) {
-		khz /= 16;
+	if (rate >= 1500000) {
+		rate /= 16;
 		ctrl |= TIMER_CTRL_DIV16;
 	}
 
@@ -350,7 +340,7 @@ static void integrator_clocksource_init(u32 khz)
 	writel(ctrl, base + TIMER_CTRL);
 
 	clocksource_mmio_init(base + TIMER_VALUE, "timer2",
-		khz * 1000, 200, 16, clocksource_mmio_readl_down);
+			rate, 200, 16, clocksource_mmio_readl_down);
 }
 
 static void __iomem * const clkevt_base = (void __iomem *)TIMER1_VA_BASE;
@@ -374,15 +364,29 @@ static void clkevt_set_mode(enum clock_event_mode mode, struct clock_event_devic
 {
 	u32 ctrl = readl(clkevt_base + TIMER_CTRL) & ~TIMER_CTRL_ENABLE;
 
-	BUG_ON(mode == CLOCK_EVT_MODE_ONESHOT);
-
-	if (mode == CLOCK_EVT_MODE_PERIODIC) {
+	/* Disable timer */
 	writel(ctrl, clkevt_base + TIMER_CTRL);
+
+	switch (mode) {
+	case CLOCK_EVT_MODE_PERIODIC:
+		/* Enable the timer and start the periodic tick */
 		writel(timer_reload, clkevt_base + TIMER_LOAD);
 		ctrl |= TIMER_CTRL_PERIODIC | TIMER_CTRL_ENABLE;
+		writel(ctrl, clkevt_base + TIMER_CTRL);
+		break;
+	case CLOCK_EVT_MODE_ONESHOT:
+		/* Leave the timer disabled, .set_next_event will enable it */
+		ctrl &= ~TIMER_CTRL_PERIODIC;
+		writel(ctrl, clkevt_base + TIMER_CTRL);
+		break;
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_SHUTDOWN:
+	case CLOCK_EVT_MODE_RESUME:
+	default:
+		/* Just leave in disabled state */
+		break;
 	}
 
-	writel(ctrl, clkevt_base + TIMER_CTRL);
 }
 
 static int clkevt_set_next_event(unsigned long next, struct clock_event_device *evt)
@@ -398,12 +402,10 @@ static int clkevt_set_next_event(unsigned long next, struct clock_event_device *
 
 static struct clock_event_device integrator_clockevent = {
 	.name		= "timer1",
-	.shift		= 34,
-	.features	= CLOCK_EVT_FEAT_PERIODIC,
+	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
 	.set_mode	= clkevt_set_mode,
 	.set_next_event	= clkevt_set_next_event,
 	.rating		= 300,
-	.cpumask	= cpu_all_mask,
 };
 
 static struct irqaction integrator_timer_irq = {
@@ -413,29 +415,27 @@ static struct irqaction integrator_timer_irq = {
 	.dev_id		= &integrator_clockevent,
 };
 
-static void integrator_clockevent_init(u32 khz)
+static void integrator_clockevent_init(unsigned long inrate)
 {
-	struct clock_event_device *evt = &integrator_clockevent;
+	unsigned long rate = inrate;
 	unsigned int ctrl = 0;
 
-	if (khz * 1000 > 0x100000 * HZ) {
-		khz /= 256;
+	/* Calculate and program a divisor */
+	if (rate > 0x100000 * HZ) {
+		rate /= 256;
 		ctrl |= TIMER_CTRL_DIV256;
-	} else if (khz * 1000 > 0x10000 * HZ) {
-		khz /= 16;
+	} else if (rate > 0x10000 * HZ) {
+		rate /= 16;
 		ctrl |= TIMER_CTRL_DIV16;
 	}
-
-	timer_reload = khz * 1000 / HZ;
+	timer_reload = rate / HZ;
 	writel(ctrl, clkevt_base + TIMER_CTRL);
 
-	evt->irq = IRQ_TIMERINT1;
-	evt->mult = div_sc(khz, NSEC_PER_MSEC, evt->shift);
-	evt->max_delta_ns = clockevent_delta2ns(0xffff, evt);
-	evt->min_delta_ns = clockevent_delta2ns(0xf, evt);
-
 	setup_irq(IRQ_TIMERINT1, &integrator_timer_irq);
-	clockevents_register_device(evt);
+	clockevents_config_and_register(&integrator_clockevent,
+					rate,
+					1,
+					0xffffU);
 }
 
 /*
@@ -443,14 +443,20 @@ static void integrator_clockevent_init(u32 khz)
  */
 static void __init ap_init_timer(void)
 {
-	u32 khz = TICKS_PER_uSEC * 1000;
+	struct clk *clk;
+	unsigned long rate;
+
+	clk = clk_get_sys("ap_timer", NULL);
+	BUG_ON(IS_ERR(clk));
+	clk_enable(clk);
+	rate = clk_get_rate(clk);
 
 	writel(0, TIMER0_VA_BASE + TIMER_CTRL);
 	writel(0, TIMER1_VA_BASE + TIMER_CTRL);
 	writel(0, TIMER2_VA_BASE + TIMER_CTRL);
 
-	integrator_clocksource_init(khz);
-	integrator_clockevent_init(khz);
+	integrator_clocksource_init(rate);
+	integrator_clockevent_init(rate);
 }
 
 static struct sys_timer ap_timer = {

arch/arm/mach-iop13xx/Makefile.boot

-   zreladdr-y   := 0x00008000
+   zreladdr-y   += 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y 	:= 0x00800000

arch/arm/mach-iop32x/Makefile.boot

-   zreladdr-y	:= 0xa0008000
+   zreladdr-y	+= 0xa0008000
 params_phys-y	:= 0xa0000100
 initrd_phys-y	:= 0xa0800000

arch/arm/mach-iop33x/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000

arch/arm/mach-ixp2000/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 

arch/arm/mach-ixp23xx/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100

arch/arm/mach-ixp4xx/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 

arch/arm/mach-ixp4xx/common-pci.c

@@ -397,7 +397,8 @@ void __init ixp4xx_pci_preinit(void)
 		local_write_config(PCI_BASE_ADDRESS_0, 4, PHYS_OFFSET);
 		local_write_config(PCI_BASE_ADDRESS_1, 4, PHYS_OFFSET + SZ_16M);
 		local_write_config(PCI_BASE_ADDRESS_2, 4, PHYS_OFFSET + SZ_32M);
-		local_write_config(PCI_BASE_ADDRESS_3, 4, PHYS_OFFSET + SZ_48M);
+		local_write_config(PCI_BASE_ADDRESS_3, 4,
+					PHYS_OFFSET + SZ_32M + SZ_16M);
 
 		/*
 		 * Enable CSR window at 64 MiB to allow PCI masters

arch/arm/mach-kirkwood/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000

arch/arm/mach-ks8695/Makefile.boot

@@ -3,6 +3,6 @@
 #   PARAMS_PHYS must be within 4MB of ZRELADDR
 #   INITRD_PHYS must be in RAM
 
-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000

arch/arm/mach-lpc32xx/Makefile.boot

-   zreladdr-y	:= 0x80008000
+   zreladdr-y	+= 0x80008000
 params_phys-y	:= 0x80000100
 initrd_phys-y	:= 0x82000000
 

arch/arm/mach-mmp/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000

arch/arm/mach-mmp/aspenite.c

@@ -160,7 +160,7 @@ static struct mtd_partition aspenite_nand_partitions[] = {
 	}, {
 		.name		= "filesystem",
 		.offset		= MTDPART_OFS_APPEND,
-		.size		= SZ_48M,
+		.size		= SZ_32M + SZ_16M,
 		.mask_flags	= 0,
 	}
 };

arch/arm/mach-mmp/ttc_dkb.c

@@ -93,7 +93,7 @@ static struct mtd_partition ttc_dkb_onenand_partitions[] = {
 	}, {
 		.name		= "filesystem",
 		.offset		= MTDPART_OFS_APPEND,
-		.size		= SZ_48M,
+		.size		= SZ_32M + SZ_16M,
 		.mask_flags	= 0,
 	}
 };

arch/arm/mach-msm/Makefile.boot

-  zreladdr-y		:= 0x10008000
+  zreladdr-y		+= 0x10008000
 params_phys-y		:= 0x10000100
 initrd_phys-y		:= 0x10800000

arch/arm/mach-msm/board-halibut.c

@@ -78,8 +78,8 @@ static void __init halibut_init(void)
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
-static void __init halibut_fixup(struct machine_desc *desc, struct tag *tags,
-				 char **cmdline, struct meminfo *mi)
+static void __init halibut_fixup(struct tag *tags, char **cmdline,
+				 struct meminfo *mi)
 {
 	mi->nr_banks=1;
 	mi->bank[0].start = PHYS_OFFSET;

arch/arm/mach-msm/board-mahimahi.c

@@ -53,8 +53,8 @@ static void __init mahimahi_init(void)
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
-static void __init mahimahi_fixup(struct machine_desc *desc, struct tag *tags,
-				 char **cmdline, struct meminfo *mi)
+static void __init mahimahi_fixup(struct tag *tags, char **cmdline,
+				  struct meminfo *mi)
 {
 	mi->nr_banks = 2;
 	mi->bank[0].start = PHYS_OFFSET;

arch/arm/mach-msm/board-sapphire.c

@@ -77,8 +77,8 @@ static struct map_desc sapphire_io_desc[] __initdata = {
 	}
 };
 
-static void __init sapphire_fixup(struct machine_desc *desc, struct tag *tags,
-				  char **cmdline, struct meminfo *mi)
+static void __init sapphire_fixup(struct tag *tags, char **cmdline,
+				  struct meminfo *mi)
 {
 	int smi_sz = parse_tag_smi((const struct tag *)tags);
 

arch/arm/mach-msm/board-trout.c

@@ -48,8 +48,8 @@ static void __init trout_init_irq(void)
 	msm_init_irq();
 }
 
-static void __init trout_fixup(struct machine_desc *desc, struct tag *tags,
-				char **cmdline, struct meminfo *mi)
+static void __init trout_fixup(struct tag *tags, char **cmdline,
+			       struct meminfo *mi)
 {
 	mi->nr_banks = 1;
 	mi->bank[0].start = PHYS_OFFSET;

arch/arm/mach-mv78xx0/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000

arch/arm/mach-mx5/Makefile.boot

-   zreladdr-$(CONFIG_ARCH_MX50)	:= 0x70008000
+   zreladdr-$(CONFIG_ARCH_MX50)	+= 0x70008000
 params_phys-$(CONFIG_ARCH_MX50)	:= 0x70000100
 initrd_phys-$(CONFIG_ARCH_MX50)	:= 0x70800000
-   zreladdr-$(CONFIG_ARCH_MX51)	:= 0x90008000
+   zreladdr-$(CONFIG_ARCH_MX51)	+= 0x90008000
 params_phys-$(CONFIG_ARCH_MX51)	:= 0x90000100
 initrd_phys-$(CONFIG_ARCH_MX51)	:= 0x90800000
-   zreladdr-$(CONFIG_ARCH_MX53)	:= 0x70008000
+   zreladdr-$(CONFIG_ARCH_MX53)	+= 0x70008000
 params_phys-$(CONFIG_ARCH_MX53)	:= 0x70000100
 initrd_phys-$(CONFIG_ARCH_MX53)	:= 0x70800000

arch/arm/mach-mxs/Makefile.boot

-zreladdr-y := 0x40008000
+zreladdr-y += 0x40008000

arch/arm/mach-netx/Makefile.boot

-    zreladdr-y			:= 0x80008000
+    zreladdr-y			+= 0x80008000
 

arch/arm/mach-nomadik/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000
 

arch/arm/mach-nuc93x/Makefile.boot

-zreladdr-y	:= 0x00008000
+zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 

arch/arm/mach-omap1/Makefile.boot

-   zreladdr-y		:= 0x10008000
+   zreladdr-y		+= 0x10008000
 params_phys-y		:= 0x10000100
 initrd_phys-y		:= 0x10800000

arch/arm/mach-omap2/Makefile.boot

-  zreladdr-y		:= 0x80008000
+  zreladdr-y		+= 0x80008000
 params_phys-y		:= 0x80000100
 initrd_phys-y		:= 0x80800000

arch/arm/mach-orion5x/Makefile.boot

-   zreladdr-y	:= 0x00008000
+   zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000

arch/arm/mach-orion5x/common.c

@@ -308,8 +308,8 @@ void __init orion5x_init(void)
  * Many orion-based systems have buggy bootloader implementations.
  * This is a common fixup for bogus memory tags.
  */
-void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t,
-			    char **from, struct meminfo *meminfo)
+void __init tag_fixup_mem32(struct tag *t, char **from,
+			    struct meminfo *meminfo)
 {
 	for (; t->hdr.size; t = tag_next(t))
 		if (t->hdr.tag == ATAG_MEM &&

arch/arm/mach-orion5x/common.h

@@ -53,11 +53,9 @@ int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys);
 struct pci_bus *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys);
 int orion5x_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
 
-struct machine_desc;
 struct meminfo;
 struct tag;
-extern void __init tag_fixup_mem32(struct machine_desc *, struct tag *,
-				   char **, struct meminfo *);
+extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *);
 
 
 #endif

arch/arm/mach-pnx4008/Makefile.boot

-   zreladdr-y		:= 0x80008000
+   zreladdr-y		+= 0x80008000
 params_phys-y		:= 0x80000100
 initrd_phys-y		:= 0x80800000
 

arch/arm/mach-prima2/Makefile.boot

-zreladdr-y		:= 0x00008000
+zreladdr-y		+= 0x00008000
 params_phys-y		:= 0x00000100
 initrd_phys-y		:= 0x00800000

arch/arm/mach-pxa/Makefile.boot

-   zreladdr-y	:= 0xa0008000
+   zreladdr-y	+= 0xa0008000
 

arch/arm/mach-pxa/cm-x300.c

@@ -839,8 +839,8 @@ static void __init cm_x300_init(void)
 	cm_x300_init_bl();
 }
 
-static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags,
-				 char **cmdline, struct meminfo *mi)
+static void __init cm_x300_fixup(struct tag *tags, char **cmdline,
+				 struct meminfo *mi)
 {
 	/* Make sure that mi->bank[0].start = PHYS_ADDR */
 	for (; tags->hdr.size; tags = tag_next(tags))

arch/arm/mach-pxa/corgi.c

@@ -705,8 +705,8 @@ static void __init corgi_init(void)
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
-static void __init fixup_corgi(struct machine_desc *desc,
-		struct tag *tags, char **cmdline, struct meminfo *mi)
+static void __init fixup_corgi(struct tag *tags, char **cmdline,
+			       struct meminfo *mi)
 {
 	sharpsl_save_param();
 	mi->nr_banks=1;

arch/arm/mach-pxa/eseries.c

@@ -41,8 +41,7 @@
 #include "clock.h"
 
 /* Only e800 has 128MB RAM */
-void __init eseries_fixup(struct machine_desc *desc,
-	struct tag *tags, char **cmdline, struct meminfo *mi)
+void __init eseries_fixup(struct tag *tags, char **cmdline, struct meminfo *mi)
 {
 	mi->nr_banks=1;
 	mi->bank[0].start = 0xa0000000;

arch/arm/mach-pxa/eseries.h

-void __init eseries_fixup(struct machine_desc *desc,
-	struct tag *tags, char **cmdline, struct meminfo *mi);
+void __init eseries_fixup(struct tag *tags, char **cmdline, struct meminfo *mi);
 
 extern struct pxa2xx_udc_mach_info e7xx_udc_mach_info;
 extern struct pxaficp_platform_data e7xx_ficp_platform_data;