diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index f9da41921c521e216f07816eb5cab99c041f4845..942fad97e4472c8e27b98068efaafc1cc518787e 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -691,9 +691,9 @@ proc_types:
 
 		.word	0x41069260		@ ARM926EJ-S (v5TEJ)
 		.word	0xff0ffff0
-		b	__arm926ejs_mmu_cache_on
-		b	__armv4_mmu_cache_off
-		b	__armv5tej_mmu_cache_flush
+		W(b)	__arm926ejs_mmu_cache_on
+		W(b)	__armv4_mmu_cache_off
+		W(b)	__armv5tej_mmu_cache_flush
 
 		.word	0x00007000		@ ARM7 IDs
 		.word	0x0000f000
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index a701e4226a6c85f804ce13a627de3d6d82127464..0cdd7b456cb2a072ce3902f2a6d7934967b083d7 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -76,6 +76,9 @@ struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
 	unsigned long dt_root;
 	const char *model;
 
+	if (!dt_phys)
+		return NULL;
+
 	devtree = phys_to_virt(dt_phys);
 
 	/* check device tree validity */
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index e8d88567680718167cf2fe389dbe4af3e0155887..90c62cd51ca9ffc891f7c95336b1c2017097d512 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -435,6 +435,10 @@ __irq_usr:
 	usr_entry
 	kuser_cmpxchg_check
 
+#ifdef CONFIG_IRQSOFF_TRACER
+	bl	trace_hardirqs_off
+#endif
+
 	get_thread_info tsk
 #ifdef CONFIG_PREEMPT
 	ldr	r8, [tsk, #TI_PREEMPT]		@ get preempt count
@@ -453,7 +457,7 @@ __irq_usr:
 #endif
 
 	mov	why, #0
-	b	ret_to_user
+	b	ret_to_user_from_irq
  UNWIND(.fnend		)
 ENDPROC(__irq_usr)
 
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 1e7b04a40a3164f7226ce82907012acb231fec45..b2a27b6b0046ee6c1e0f0928c3269ab5f6c63cd2 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -64,6 +64,7 @@ work_resched:
 ENTRY(ret_to_user)
 ret_slow_syscall:
 	disable_irq				@ disable interrupts
+ENTRY(ret_to_user_from_irq)
 	ldr	r1, [tsk, #TI_FLAGS]
 	tst	r1, #_TIF_WORK_MASK
 	bne	work_pending
@@ -75,6 +76,7 @@ no_work_pending:
 	arch_ret_to_user r1, lr
 
 	restore_user_regs fast = 0, offset = 0
+ENDPROC(ret_to_user_from_irq)
 ENDPROC(ret_to_user)
 
 /*
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index d52eec268b4746a006ef3badf6805b8acae5d7e1..6807cb1e76ddb119f78100aa3ccc7d59b1184721 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -139,7 +139,7 @@ static void dump_instr(const char *lvl, struct pt_regs *regs)
 	fs = get_fs();
 	set_fs(KERNEL_DS);
 
-	for (i = -4; i < 1; i++) {
+	for (i = -4; i < 1 + !!thumb; i++) {
 		unsigned int val, bad;
 
 		if (thumb)
@@ -563,7 +563,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
 		if (!pmd_present(*pmd))
 			goto bad_access;
 		pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
-		if (!pte_present(*pte) || !pte_dirty(*pte)) {
+		if (!pte_present(*pte) || !pte_write(*pte) || !pte_dirty(*pte)) {
 			pte_unmap_unlock(pte, ptl);
 			goto bad_access;
 		}
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 4e66881c7aee748dddf82a304fb261dc89edde97..fc4e98ea7543a397e4ece003b3ff9f9d498fd42f 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -494,7 +494,7 @@ static struct platform_device da850_mcasp_device = {
 	.resource	= da850_mcasp_resources,
 };
 
-struct platform_device davinci_pcm_device = {
+static struct platform_device davinci_pcm_device = {
 	.name	= "davinci-pcm-audio",
 	.id	= -1,
 };
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index 8f4f736aa267104455fdf2f1502e467e63bd9aad..806a2f02b9808abf870ac9b9b0e1c77d99e60bb4 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -298,7 +298,7 @@ static void davinci_init_wdt(void)
 
 /*-------------------------------------------------------------------------*/
 
-struct platform_device davinci_pcm_device = {
+static struct platform_device davinci_pcm_device = {
 	.name		= "davinci-pcm-audio",
 	.id		= -1,
 };
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index a0b838894ac99b27daaf413fbfbd8f78ae842066..e7221398e5af9c751d1dc8f85c1d294b2afb0f9b 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -252,9 +252,11 @@ static struct irq_chip gpio_irqchip = {
 static void
 gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 {
-	struct davinci_gpio_regs __iomem *g = irq2regs(irq);
+	struct davinci_gpio_regs __iomem *g;
 	u32 mask = 0xffff;
 
+	g = (__force struct davinci_gpio_regs __iomem *) irq_desc_get_handler_data(desc);
+
 	/* we only care about one bank */
 	if (irq & 1)
 		mask <<= 16;
@@ -422,8 +424,7 @@ static int __init davinci_gpio_irq_setup(void)
 
 		/* set up all irqs in this bank */
 		irq_set_chained_handler(bank_irq, gpio_irq_handler);
-		irq_set_chip_data(bank_irq, (__force void *)g);
-		irq_set_handler_data(bank_irq, (void *)irq);
+		irq_set_handler_data(bank_irq, (__force void *)g);
 
 		for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) {
 			irq_set_chip(irq, &gpio_irqchip);
diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c
index 5f1f9867fc70eedff4620119fead758eb7c0e2b2..121ad1d4fa39f9a0d4f70c6cbd23021f4e62617f 100644
--- a/arch/arm/mach-footbridge/dc21285-timer.c
+++ b/arch/arm/mach-footbridge/dc21285-timer.c
@@ -103,6 +103,7 @@ static void __init footbridge_timer_init(void)
 	clockevents_calc_mult_shift(ce, mem_fclk_21285, 5);
 	ce->max_delta_ns = clockevent_delta2ns(0xffffff, ce);
 	ce->min_delta_ns = clockevent_delta2ns(0x000004, ce);
+	ce->cpumask = cpumask_of(smp_processor_id());
 
 	clockevents_register_device(ce);
 }
diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S
index 30b971d65815f342069719afca2052769ac99ba9..1be2eeb7a0a042198a73ec78a3b33278c25e533b 100644
--- a/arch/arm/mach-footbridge/include/mach/debug-macro.S
+++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S
@@ -26,6 +26,7 @@
 #include <asm/hardware/debug-8250.S>
 
 #else
+#include <mach/hardware.h>
 	/* For EBSA285 debugging */
 		.equ	dc21285_high, ARMCSR_BASE & 0xff000000
 		.equ	dc21285_low,  ARMCSR_BASE & 0x00ffffff
@@ -36,8 +37,8 @@
 		.else
 		mov	\rp, #0
 		.endif
-		orr	\rv, \rp, #0x42000000
-		orr	\rp, \rp, #dc21285_high
+		orr	\rv, \rp, #dc21285_high
+		orr	\rp, \rp, #0x42000000
 		.endm
 
 		.macro	senduart,rd,rx
diff --git a/arch/arm/mach-mxs/ocotp.c b/arch/arm/mach-mxs/ocotp.c
index 65157a35dbba351d6751bdcb4ee483e37b25ee88..54add60f94c98c5d8d15c119e996395a13b6fc86 100644
--- a/arch/arm/mach-mxs/ocotp.c
+++ b/arch/arm/mach-mxs/ocotp.c
@@ -16,6 +16,8 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 
+#include <asm/processor.h>	/* for cpu_relax() */
+
 #include <mach/mxs.h>
 
 #define OCOTP_WORD_OFFSET		0x20
diff --git a/arch/arm/mach-u300/clock.h b/arch/arm/mach-u300/clock.h
index c34f3ea3017c4db1b4da624b12c1f800e24a91b0..4f50ca8f901e2bebd5de51defd425ba9e83f9ff4 100644
--- a/arch/arm/mach-u300/clock.h
+++ b/arch/arm/mach-u300/clock.h
@@ -31,7 +31,7 @@ struct clk {
 	bool reset;
 	__u16 clk_val;
 	__s8 usecount;
-	__u32 res_reg;
+	void __iomem * res_reg;
 	__u16 res_mask;
 
 	bool hw_ctrld;
diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h
index 8b85df4c8d8fcce5530535ffb2d91e15f25b636d..035fdc9dbdb03ebb50e88873a67232707d4fbc50 100644
--- a/arch/arm/mach-u300/include/mach/u300-regs.h
+++ b/arch/arm/mach-u300/include/mach/u300-regs.h
@@ -18,6 +18,12 @@
  * the defines are used for setting up the I/O memory mapping.
  */
 
+#ifdef __ASSEMBLER__
+#define IOMEM(a) (a)
+#else
+#define IOMEM(a) (void __iomem *) a
+#endif
+
 /* NAND Flash CS0 */
 #define U300_NAND_CS0_PHYS_BASE		0x80000000
 
@@ -47,13 +53,6 @@
 #define U300_SEMI_CONFIG_BASE		0x30000000
 #endif
 
-/*
- * All the following peripherals are specified at their PHYSICAL address,
- * so if you need to access them (in the kernel), you MUST use the macros
- * defined in <asm/io.h> to map to the IO_ADDRESS_AHB() IO_ADDRESS_FAST()
- * etc.
- */
-
 /*
  * AHB peripherals
  */
@@ -63,11 +62,11 @@
 
 /* Vectored Interrupt Controller 0, servicing 32 interrupts */
 #define U300_INTCON0_BASE		(U300_AHB_PER_PHYS_BASE+0x1000)
-#define U300_INTCON0_VBASE		(U300_AHB_PER_VIRT_BASE+0x1000)
+#define U300_INTCON0_VBASE		IOMEM(U300_AHB_PER_VIRT_BASE+0x1000)
 
 /* Vectored Interrupt Controller 1, servicing 32 interrupts */
 #define U300_INTCON1_BASE		(U300_AHB_PER_PHYS_BASE+0x2000)
-#define U300_INTCON1_VBASE		(U300_AHB_PER_VIRT_BASE+0x2000)
+#define U300_INTCON1_VBASE		IOMEM(U300_AHB_PER_VIRT_BASE+0x2000)
 
 /* Memory Stick Pro (MSPRO) controller */
 #define U300_MSPRO_BASE			(U300_AHB_PER_PHYS_BASE+0x3000)
@@ -115,7 +114,7 @@
 
 /* SYSCON */
 #define U300_SYSCON_BASE		(U300_SLOW_PER_PHYS_BASE+0x1000)
-#define U300_SYSCON_VBASE		(U300_SLOW_PER_VIRT_BASE+0x1000)
+#define U300_SYSCON_VBASE		IOMEM(U300_SLOW_PER_VIRT_BASE+0x1000)
 
 /* Watchdog */
 #define U300_WDOG_BASE			(U300_SLOW_PER_PHYS_BASE+0x2000)
@@ -125,7 +124,7 @@
 
 /* APP side special timer */
 #define U300_TIMER_APP_BASE		(U300_SLOW_PER_PHYS_BASE+0x4000)
-#define U300_TIMER_APP_VBASE		(U300_SLOW_PER_VIRT_BASE+0x4000)
+#define U300_TIMER_APP_VBASE		IOMEM(U300_SLOW_PER_VIRT_BASE+0x4000)
 
 /* Keypad */
 #define U300_KEYPAD_BASE		(U300_SLOW_PER_PHYS_BASE+0x5000)
@@ -181,5 +180,4 @@
  * Virtual accessor macros for static devices
  */
 
-
 #endif
diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c
index 891cf44591e073ea4de84968d33f598595a8263c..18d7fa0603c230259ff96d3f9dc910b4a53a3b04 100644
--- a/arch/arm/mach-u300/timer.c
+++ b/arch/arm/mach-u300/timer.c
@@ -411,8 +411,7 @@ static void __init u300_timer_init(void)
 	/* Use general purpose timer 2 as clock source */
 	if (clocksource_mmio_init(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC,
 			"GPT2", rate, 300, 32, clocksource_mmio_readl_up))
-		printk(KERN_ERR "timer: failed to initialize clock "
-		       "source %s\n", clocksource_u300_1mhz.name);
+		pr_err("timer: failed to initialize U300 clock source\n");
 
 	clockevents_calc_mult_shift(&clockevent_u300_1mhz,
 				    rate, APPTIMER_MIN_RANGE);
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 285edcd2da2aa9a9d6186a6c17cf053918b0b66e..9e6b93b1a04342e7883aa241ddecb02856818a0e 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -46,12 +46,6 @@ static struct map_desc v2m_io_desc[] __initdata = {
 	},
 };
 
-static void __init v2m_init_early(void)
-{
-	ct_desc->init_early();
-	versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
-}
-
 static void __init v2m_timer_init(void)
 {
 	u32 scctrl;
@@ -365,6 +359,13 @@ static struct clk_lookup v2m_lookups[] = {
 	},
 };
 
+static void __init v2m_init_early(void)
+{
+	ct_desc->init_early();
+	clkdev_add_table(v2m_lookups, ARRAY_SIZE(v2m_lookups));
+	versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
+}
+
 static void v2m_power_off(void)
 {
 	if (v2m_cfg_write(SYS_CFG_SHUTDOWN | SYS_CFG_SITE_MB, 0))
@@ -418,8 +419,6 @@ static void __init v2m_init(void)
 {
 	int i;
 
-	clkdev_add_table(v2m_lookups, ARRAY_SIZE(v2m_lookups));
-
 	platform_device_register(&v2m_pcie_i2c_device);
 	platform_device_register(&v2m_ddc_i2c_device);
 	platform_device_register(&v2m_flash_device);
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 8bfae964b133987e061c430a0426f951b07172fa..b0ee9ba3cfab41a52853eca727466abff88ddf27 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -24,7 +24,9 @@ DEFINE_PER_CPU(struct mm_struct *, current_mm);
 
 /*
  * We fork()ed a process, and we need a new context for the child
- * to run in.
+ * to run in.  We reserve version 0 for initial tasks so we will
+ * always allocate an ASID. The ASID 0 is reserved for the TTBR
+ * register changing sequence.
  */
 void __init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 {
@@ -34,11 +36,8 @@ void __init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 
 static void flush_context(void)
 {
-	u32 ttb;
-	/* Copy TTBR1 into TTBR0 */
-	asm volatile("mrc	p15, 0, %0, c2, c0, 1\n"
-		     "mcr	p15, 0, %0, c2, c0, 0"
-		     : "=r" (ttb));
+	/* set the reserved ASID before flushing the TLB */
+	asm("mcr	p15, 0, %0, c13, c0, 1\n" : : "r" (0));
 	isb();
 	local_flush_tlb_all();
 	if (icache_is_vivt_asid_tagged()) {
@@ -94,7 +93,7 @@ static void reset_context(void *info)
 		return;
 
 	smp_rmb();
-	asid = cpu_last_asid + cpu;
+	asid = cpu_last_asid + cpu + 1;
 
 	flush_context();
 	set_mm_context(mm, asid);
@@ -144,13 +143,13 @@ void __new_context(struct mm_struct *mm)
 	 * to start a new version and flush the TLB.
 	 */
 	if (unlikely((asid & ~ASID_MASK) == 0)) {
-		asid = cpu_last_asid + smp_processor_id();
+		asid = cpu_last_asid + smp_processor_id() + 1;
 		flush_context();
 #ifdef CONFIG_SMP
 		smp_wmb();
 		smp_call_function(reset_context, NULL, 1);
 #endif
-		cpu_last_asid += NR_CPUS - 1;
+		cpu_last_asid += NR_CPUS;
 	}
 
 	set_mm_context(mm, asid);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 2c2cce9cd8c8399e02cf841298649daf72d06330..c19571c40a21ca62902d65cd01dcb8db9ea4f178 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -330,6 +330,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
 	memblock_reserve(__pa(_stext), _end - _stext);
 #endif
 #ifdef CONFIG_BLK_DEV_INITRD
+	if (phys_initrd_size &&
+	    !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
+		pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
+		       phys_initrd_start, phys_initrd_size);
+		phys_initrd_start = phys_initrd_size = 0;
+	}
 	if (phys_initrd_size &&
 	    memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
 		pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
@@ -635,7 +641,8 @@ void __init mem_init(void)
 			"    modules : 0x%08lx - 0x%08lx   (%4ld MB)\n"
 			"      .init : 0x%p" " - 0x%p" "   (%4d kB)\n"
 			"      .text : 0x%p" " - 0x%p" "   (%4d kB)\n"
-			"      .data : 0x%p" " - 0x%p" "   (%4d kB)\n",
+			"      .data : 0x%p" " - 0x%p" "   (%4d kB)\n"
+			"       .bss : 0x%p" " - 0x%p" "   (%4d kB)\n",
 
 			MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
 				(PAGE_SIZE)),
@@ -657,7 +664,8 @@ void __init mem_init(void)
 
 			MLK_ROUNDUP(__init_begin, __init_end),
 			MLK_ROUNDUP(_text, _etext),
-			MLK_ROUNDUP(_sdata, _edata));
+			MLK_ROUNDUP(_sdata, _edata),
+			MLK_ROUNDUP(__bss_start, __bss_stop));
 
 #undef MLK
 #undef MLM
diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S
index e4c165ca669680eb6d74ce8e3d5822de50bbe44f..537ffcb0646d5e0c77ef8a336f4b39b07937beab 100644
--- a/arch/arm/mm/proc-arm7tdmi.S
+++ b/arch/arm/mm/proc-arm7tdmi.S
@@ -146,7 +146,7 @@ __arm7tdmi_proc_info:
 		.long	0
 		.long	0
 		.long	v4_cache_fns
-		.size	__arm7tdmi_proc_info, . - __arm7dmi_proc_info
+		.size	__arm7tdmi_proc_info, . - __arm7tdmi_proc_info
 
 		.type	__triscenda7_proc_info, #object
 __triscenda7_proc_info:
diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S
index 7b7ebd4d096d9cb3939bed7a059be8514486d463..546b54da10059752195476dc6bd9fc0b1b243775 100644
--- a/arch/arm/mm/proc-arm9tdmi.S
+++ b/arch/arm/mm/proc-arm9tdmi.S
@@ -116,7 +116,7 @@ __arm9tdmi_proc_info:
 		.long	0
 		.long	0
 		.long	v4_cache_fns
-		.size	__arm9tdmi_proc_info, . - __arm9dmi_proc_info
+		.size	__arm9tdmi_proc_info, . - __arm9tdmi_proc_info
 
 		.type	__p2001_proc_info, #object
 __p2001_proc_info:
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index b3b566ec83d397c1074c1dcbee0d5e33542e7d9c..3c3867850a3011d1e163d347a25ffbabc4aa4dc7 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -108,16 +108,18 @@ ENTRY(cpu_v7_switch_mm)
 #ifdef CONFIG_ARM_ERRATA_430973
 	mcr	p15, 0, r2, c7, c5, 6		@ flush BTAC/BTB
 #endif
-	mrc	p15, 0, r2, c2, c0, 1		@ load TTB 1
-	mcr	p15, 0, r2, c2, c0, 0		@ into TTB 0
+#ifdef CONFIG_ARM_ERRATA_754322
+	dsb
+#endif
+	mcr	p15, 0, r2, c13, c0, 1		@ set reserved context ID
+	isb
+1:	mcr	p15, 0, r0, c2, c0, 0		@ set TTB 0
 	isb
 #ifdef CONFIG_ARM_ERRATA_754322
 	dsb
 #endif
 	mcr	p15, 0, r1, c13, c0, 1		@ set context ID
 	isb
-	mcr	p15, 0, r0, c2, c0, 0		@ set TTB 0
-	isb
 #endif
 	mov	pc, lr
 ENDPROC(cpu_v7_switch_mm)
diff --git a/arch/arm/plat-mxc/devices/platform-imx-dma.c b/arch/arm/plat-mxc/devices/platform-imx-dma.c
index 3538b85ede910a4bc32c8e85b604789809cef21d..b130f60ca6b73e9b7b8435dcc52633bb1761078c 100644
--- a/arch/arm/plat-mxc/devices/platform-imx-dma.c
+++ b/arch/arm/plat-mxc/devices/platform-imx-dma.c
@@ -139,7 +139,7 @@ static struct sdma_script_start_addrs addr_imx35_to2 = {
 #endif
 
 #ifdef CONFIG_SOC_IMX51
-static struct sdma_script_start_addrs addr_imx51_to1 = {
+static struct sdma_script_start_addrs addr_imx51 = {
 	.ap_2_ap_addr = 642,
 	.uart_2_mcu_addr = 817,
 	.mcu_2_app_addr = 747,
@@ -196,7 +196,9 @@ static int __init imxXX_add_imx_dma(void)
 
 #if defined(CONFIG_SOC_IMX51)
 	if (cpu_is_mx51()) {
-		imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51_to1;
+		int to_version = mx51_revision() >> 4;
+		imx51_imx_sdma_data.pdata.to_version = to_version;
+		imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51;
 		ret = imx_add_imx_sdma(&imx51_imx_sdma_data);
 	} else
 #endif
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 5da5bea0f9f09ed49eedf281da1308c04a0b7341..7721de942c69e29cd0d36300eb48a695dfbdafbf 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1144,9 +1144,17 @@ static int __devinit mmci_probe(struct amba_device *dev,
 		else if (ret != -ENOSYS)
 			goto err_gpio_cd;
 
+		/*
+		 * A gpio pin that will detect cards when inserted and removed
+		 * will most likely want to trigger on the edges if it is
+		 * 0 when ejected and 1 when inserted (or mutatis mutandis
+		 * for the inverted case) so we request triggers on both
+		 * edges.
+		 */
 		ret = request_any_context_irq(gpio_to_irq(plat->gpio_cd),
-					      mmci_cd_irq, 0,
-					      DRIVER_NAME " (cd)", host);
+				mmci_cd_irq,
+				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+				DRIVER_NAME " (cd)", host);
 		if (ret >= 0)
 			host->gpio_cd_irq = gpio_to_irq(plat->gpio_cd);
 	}