Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits)
  [ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports
  [ARM] 4140/1: AACI stability add ac97 timeout and retries
  [ARM] 4139/1: AACI record support
  [ARM] 4138/1: AACI: multiple channel support for IRQ handling
  [ARM] 4211/1: Provide a defconfig for ns9xxx
  [ARM] 4210/1: base for new machine type "NetSilicon NS9360"
  [ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM
  [ARM] 4221/1: S3C2443: DMA support
  [ARM] 4220/1: S3C24XX: DMA system initialised from sysdev
  [ARM] 4219/1: S3C2443: DMA source definitions
  [ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443
  [ARM] 4217/1: S3C24XX: remove the dma channel show at startup
  [ARM] 4090/2: avoid clash between PXA and SA1111 defines
  [ARM] 4216/1: add .gitignore entries for ARM specific files
  [ARM] 4214/2: S3C2410: Add Armzone QT2410
  [ARM] 4215/1: s3c2410 usb device:  per-platform vbus_draw
  [ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST
  [ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos
  [ARM] 4137/1: Add kexec support
  [ARM] 4201/1: SMP barriers pair needed for the secondary boot process
  ...

Fix up conflict due to typedef removal in sound/arm/aaci.h

11 files changed, 175 insertions, 15 deletions

diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 1b935fb94b8..bb28087bf81 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_ARTHUR)		+= arthur.o
 obj-$(CONFIG_ISA_DMA)		+= dma-isa.o
 obj-$(CONFIG_PCI)		+= bios32.o isa.o
 obj-$(CONFIG_SMP)		+= smp.o
+obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_OABI_COMPAT)	+= sys_oabi-compat.o
 
 obj-$(CONFIG_CRUNCH)		+= crunch.o crunch-bits.o
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index f7598cbc7ec..ae89cdd82b1 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -356,6 +356,7 @@
 		CALL(sys_move_pages)
 /* 345 */	CALL(sys_getcpu)
 		CALL(sys_ni_syscall)		/* eventually epoll_pwait */
+		CALL(sys_kexec_load)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/crunch.c b/arch/arm/kernel/crunch.c
index cec83783206..627d79414c9 100644
--- a/arch/arm/kernel/crunch.c
+++ b/arch/arm/kernel/crunch.c
@@ -75,6 +75,7 @@ static struct notifier_block crunch_notifier_block = {
 static int __init crunch_init(void)
 {
 	thread_register_notifier(&crunch_notifier_block);
+	elf_hwcap |= HWCAP_CRUNCH;
 
 	return 0;
 }
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 71257e3d513..f1c0fb97417 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -1009,7 +1009,7 @@ ecard_probe(int slot, card_type_t type)
 		ec->fiqmask = 4;
 	}
 
-	for (i = 0; i < sizeof(blacklist) / sizeof(*blacklist); i++)
+	for (i = 0; i < ARRAY_SIZE(blacklist); i++)
 		if (blacklist[i].manufacturer == ec->cid.manufacturer &&
 		    blacklist[i].product == ec->cid.product) {
 			ec->card_desc = blacklist[i].type;
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 8517c3c3eb3..cc10a093a54 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -99,7 +99,6 @@ common_invalid:
 					@ cpsr_<exception>, "old_r0"
 
 	mov	r0, sp
-	and	r2, r6, #0x1f
 	b	bad_mode
 
 /*
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
new file mode 100644
index 00000000000..863c66454f2
--- /dev/null
+++ b/arch/arm/kernel/machine_kexec.c
@@ -0,0 +1,78 @@
+/*
+ * machine_kexec.c - handle transition of Linux booting another kernel
+ */
+
+#include <linux/mm.h>
+#include <linux/kexec.h>
+#include <linux/delay.h>
+#include <linux/reboot.h>
+#include <asm/pgtable.h>
+#include <asm/pgalloc.h>
+#include <asm/mmu_context.h>
+#include <asm/io.h>
+#include <asm/cacheflush.h>
+#include <asm/mach-types.h>
+
+const extern unsigned char relocate_new_kernel[];
+const extern unsigned int relocate_new_kernel_size;
+
+extern void setup_mm_for_reboot(char mode);
+
+extern unsigned long kexec_start_address;
+extern unsigned long kexec_indirection_page;
+extern unsigned long kexec_mach_type;
+
+/*
+ * Provide a dummy crash_notes definition while crash dump arrives to arm.
+ * This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
+ */
+
+int machine_kexec_prepare(struct kimage *image)
+{
+	return 0;
+}
+
+void machine_kexec_cleanup(struct kimage *image)
+{
+}
+
+void machine_shutdown(void)
+{
+}
+
+void machine_crash_shutdown(struct pt_regs *regs)
+{
+}
+
+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;
+
+	/* 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_CODE_SIZE);
+	printk(KERN_INFO "Bye!\n");
+
+	cpu_proc_fin();
+	setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
+	cpu_reset(reboot_code_buffer_phys);
+}
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index a9e8f7e55fd..782af3cb213 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -36,7 +36,13 @@
 #include <asm/uaccess.h>
 #include <asm/mach/time.h>
 
-extern const char *processor_modes[];
+static const char *processor_modes[] = {
+  "USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" ,
+  "UK8_26" , "UK9_26" , "UK10_26", "UK11_26", "UK12_26", "UK13_26", "UK14_26", "UK15_26",
+  "USER_32", "FIQ_32" , "IRQ_32" , "SVC_32" , "UK4_32" , "UK5_32" , "UK6_32" , "ABT_32" ,
+  "UK8_32" , "UK9_32" , "UK10_32", "UND_32" , "UK12_32", "UK13_32", "UK14_32", "SYS_32"
+};
+
 extern void setup_mm_for_reboot(char mode);
 
 static volatile int hlt_counter;
diff --git a/arch/arm/kernel/relocate_kernel.S b/arch/arm/kernel/relocate_kernel.S
new file mode 100644
index 00000000000..7baadae7cb2
--- /dev/null
+++ b/arch/arm/kernel/relocate_kernel.S
@@ -0,0 +1,74 @@
+/*
+ * relocate_kernel.S - put the kernel image in place to boot
+ */
+
+#include <asm/kexec.h>
+
+	.globl relocate_new_kernel
+relocate_new_kernel:
+
+	ldr	r0,kexec_indirection_page
+	ldr	r1,kexec_start_address
+
+
+0:	/* top, read another word for the indirection page */
+	ldr	r3, [r0],#4
+
+	/* Is it a destination page. Put destination address to r4 */
+	tst	r3,#1,0
+	beq	1f
+	bic	r4,r3,#1
+	b	0b
+1:
+	/* Is it an indirection page */
+	tst	r3,#2,0
+	beq	1f
+	bic	r0,r3,#2
+	b	0b
+1:
+
+	/* are we done ? */
+	tst	r3,#4,0
+	beq	1f
+	b	2f
+
+1:
+	/* is it source ? */
+	tst	r3,#8,0
+	beq	0b
+	bic r3,r3,#8
+	mov r6,#1024
+9:
+	ldr r5,[r3],#4
+	str r5,[r4],#4
+	subs r6,r6,#1
+	bne 9b
+	b 0b
+
+2:
+	/* Jump to relocated kernel */
+	mov lr,r1
+	mov r0,#0
+	ldr r1,kexec_mach_type
+	mov r2,#0
+	mov pc,lr
+
+	.globl kexec_start_address
+kexec_start_address:
+	.long	0x0
+
+	.globl kexec_indirection_page
+kexec_indirection_page:
+	.long	0x0
+
+	.globl kexec_mach_type
+kexec_mach_type:
+	.long	0x0
+
+relocate_new_kernel_end:
+
+	.globl relocate_new_kernel_size
+relocate_new_kernel_size:
+	.long relocate_new_kernel_end - relocate_new_kernel
+
+
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index ed522151878..03e37af315d 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -88,6 +88,9 @@ struct cpu_user_fns cpu_user;
 #ifdef MULTI_CACHE
 struct cpu_cache_fns cpu_cache;
 #endif
+#ifdef CONFIG_OUTER_CACHE
+struct outer_cache_fns outer_cache;
+#endif
 
 struct stack {
 	u32 irq[3];
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index ee47c532e21..f61decb89ba 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -40,12 +40,14 @@
  */
 struct sys_timer *system_timer;
 
+#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
 /* this needs a better home */
 DEFINE_SPINLOCK(rtc_lock);
 
-#ifdef CONFIG_SA1100_RTC_MODULE
+#ifdef CONFIG_RTC_DRV_CMOS_MODULE
 EXPORT_SYMBOL(rtc_lock);
 #endif
+#endif	/* pc-style 'CMOS' RTC support */
 
 /* change this if you have some constant time drift */
 #define USECS_PER_JIFFY	(1000000/HZ)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 908915675ed..24095601359 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -32,13 +32,6 @@
 #include "ptrace.h"
 #include "signal.h"
 
-const char *processor_modes[]=
-{ "USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" ,
-  "UK8_26" , "UK9_26" , "UK10_26", "UK11_26", "UK12_26", "UK13_26", "UK14_26", "UK15_26",
-  "USER_32", "FIQ_32" , "IRQ_32" , "SVC_32" , "UK4_32" , "UK5_32" , "UK6_32" , "ABT_32" ,
-  "UK8_32" , "UK9_32" , "UK10_32", "UND_32" , "UK12_32", "UK13_32", "UK14_32", "SYS_32"
-};
-
 static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" };
 
 #ifdef CONFIG_DEBUG_USER
@@ -289,7 +282,10 @@ asmlinkage void do_undefinstr(struct pt_regs *regs)
 	regs->ARM_pc -= correction;
 
 	pc = (void __user *)instruction_pointer(regs);
-	if (thumb_mode(regs)) {
+
+	if (processor_mode(regs) == SVC_MODE) {
+		instr = *(u32 *) pc;
+	} else if (thumb_mode(regs)) {
 		get_user(instr, (u16 __user *)pc);
 	} else {
 		get_user(instr, (u32 __user *)pc);
@@ -337,12 +333,11 @@ asmlinkage void do_unexp_fiq (struct pt_regs *regs)
  * It never returns, and never tries to sync.  We hope that we can at least
  * dump out some state information...
  */
-asmlinkage void bad_mode(struct pt_regs *regs, int reason, int proc_mode)
+asmlinkage void bad_mode(struct pt_regs *regs, int reason)
 {
 	console_verbose();
 
-	printk(KERN_CRIT "Bad mode in %s handler detected: mode %s\n",
-		handler[reason], processor_modes[proc_mode]);
+	printk(KERN_CRIT "Bad mode in %s handler detected\n", handler[reason]);
 
 	die("Oops - bad mode", regs, 0);
 	local_irq_disable();