Merge tag 'v3.6-rc6' into spi-mxs

Linux 3.6-rc6 Conflicts (overlap between moving code that accesses registers around and factoring the register access out into a SSP layer): drivers/mmc/host/mxs-mmc.c
author: Mark Brown <broonie@opensource.wolfsonmicro.com> 2012-09-25 08:41:02 -0400
committer: Mark Brown <broonie@opensource.wolfsonmicro.com> 2012-09-25 08:41:02 -0400
commit: ac48f6cb5f268daff06b636444819e5ffb462611 (patch)
tree: 56bcc8b2de42738764ac65056067a17cb97609f4 /arch/arm
parent: e64d07a2dae569fc3c938adac777562a1d6f151e (diff)
parent: 5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
100 files changed, 1455 insertions, 249 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e91c7cdc6fe5..2f88d8d97701 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -6,7 +6,7 @@ config ARM
        select HAVE_DMA_API_DEBUG
        select HAVE_IDE if PCI || ISA || PCMCIA
        select HAVE_DMA_ATTRS
-        select HAVE_DMA_CONTIGUOUS if (CPU_V6 || CPU_V6K || CPU_V7)
+        select HAVE_DMA_CONTIGUOUS if MMU
        select HAVE_MEMBLOCK
        select RTC_LIB
        select SYS_SUPPORTS_APM_EMULATION
@@ -38,7 +38,6 @@ config ARM
        select HARDIRQS_SW_RESEND
        select GENERIC_IRQ_PROBE
        select GENERIC_IRQ_SHOW
-        select GENERIC_IRQ_PROBE
        select ARCH_WANT_IPC_PARSE_VERSION
        select HARDIRQS_SW_RESEND
        select CPU_PM if (SUSPEND || CPU_IDLE)
@@ -126,11 +125,6 @@ config TRACE_IRQFLAGS_SUPPORT
        bool
        default y
-config GENERIC_LOCKBREAK
-        bool
-        default y
-        depends on SMP && PREEMPT
 config RWSEM_GENERIC_SPINLOCK
        bool
        default y
@@ -2150,6 +2144,7 @@ source "drivers/cpufreq/Kconfig"
 config CPU_FREQ_IMX
        tristate "CPUfreq driver for i.MX CPUs"
        depends on ARCH_MXC && CPU_FREQ
+        select CPU_FREQ_TABLE
        help
          This enables the CPUfreq driver for i.MX CPUs.
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f15f82bf3a50..e968a52e4881 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -356,15 +356,15 @@ choice
                  is nothing connected to read from the DCC.
        config DEBUG_SEMIHOSTING
-                bool "Kernel low-level debug output via semihosting I"
+                bool "Kernel low-level debug output via semihosting I/O"
                help
                  Semihosting enables code running on an ARM target to use
                  the I/O facilities on a host debugger/emulator through a
-                  simple SVC calls. The host debugger or emulator must have
+                  simple SVC call. The host debugger or emulator must have
                  semihosting enabled for the special svc call to be trapped
                  otherwise the kernel will crash.
-                  This is known to work with OpenOCD, as wellas
+                  This is known to work with OpenOCD, as well as
                  ARM's Fast Models, or any other controlling environment
                  that implements semihosting.
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 30eae87ead6d..a051dfbdd7db 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -284,10 +284,10 @@ zImage Image xipImage bootpImage uImage: vmlinux
 zinstall uinstall install: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
-%.dtb:
+%.dtb: scripts
        $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
-dtbs:
+dtbs: scripts
        $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
 # We use MRPROPER_FILES and CLEAN_FILES now
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index b8c64b80bafc..81769c1341fa 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -659,10 +659,14 @@ __armv7_mmu_cache_on:
 #ifdef CONFIG_CPU_ENDIAN_BE8
                orr     r0, r0, #1 << 25        @ big-endian page tables
 #endif
+                mrcne   p15, 0, r6, c2, c0, 2   @ read ttb control reg
                orrne   r0, r0, #1              @ MMU enabled
                movne   r1, #0xfffffffd         @ domain 0 = client
+                bic     r6, r6, #1 << 31        @ 32-bit translation system
+                bic     r6, r6, #3 << 0         @ use only ttbr0
                mcrne   p15, 0, r3, c2, c0, 0   @ load page table pointer
                mcrne   p15, 0, r1, c3, c0, 0   @ load domain access control
+                mcrne   p15, 0, r6, c2, c0, 2   @ load ttb control
 #endif
                mcr     p15, 0, r0, c7, c5, 4   @ ISB
                mcr     p15, 0, r0, c1, c0, 0   @ load control register
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 59509c48d7e5..bd0cff3f808c 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -154,5 +154,10 @@
                        #size-cells = <0>;
                        ti,hwmods = "i2c3";
                };
+                wdt2: wdt@44e35000 {
+                        compatible = "ti,omap3-wdt";
+                        ti,hwmods = "wd_timer2";
+                };
        };
 };
diff --git a/arch/arm/boot/dts/at91sam9g25ek.dts b/arch/arm/boot/dts/at91sam9g25ek.dts
index 7829a4d0cb22..96514c134e54 100644
--- a/arch/arm/boot/dts/at91sam9g25ek.dts
+++ b/arch/arm/boot/dts/at91sam9g25ek.dts
@@ -15,7 +15,7 @@
        compatible = "atmel,at91sam9g25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9";
        chosen {
-                bootargs = "128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
+                bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs";
        };
        ahb {
diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
index cd86177a3ea2..59d9789e5508 100644
--- a/arch/arm/boot/dts/imx51-babbage.dts
+++ b/arch/arm/boot/dts/imx51-babbage.dts
@@ -25,8 +25,8 @@
                aips@70000000 { /* aips-1 */
                        spba@70000000 {
                                esdhc@70004000 { /* ESDHC1 */
-                                        fsl,cd-internal;
+                                        fsl,cd-controller;
-                                        fsl,wp-internal;
+                                        fsl,wp-controller;
                                        status = "okay";
                                };
diff --git a/arch/arm/boot/dts/kirkwood-iconnect.dts b/arch/arm/boot/dts/kirkwood-iconnect.dts
index 52d947045106..f8ca6fa88192 100644
--- a/arch/arm/boot/dts/kirkwood-iconnect.dts
+++ b/arch/arm/boot/dts/kirkwood-iconnect.dts
@@ -41,9 +41,13 @@
                };
                power-blue {
                        label = "power:blue";
-                        gpios = <&gpio1 11 0>;
+                        gpios = <&gpio1 10 0>;
                        linux,default-trigger = "timer";
                };
+                power-red {
+                        label = "power:red";
+                        gpios = <&gpio1 11 0>;
+                };
                usb1 {
                        label = "usb1:blue";
                        gpios = <&gpio1 12 0>;
diff --git a/arch/arm/boot/dts/twl6030.dtsi b/arch/arm/boot/dts/twl6030.dtsi
index 3b2f3510d7eb..d351b27d7213 100644
--- a/arch/arm/boot/dts/twl6030.dtsi
+++ b/arch/arm/boot/dts/twl6030.dtsi
@@ -66,6 +66,7 @@
        vcxio: regulator@8 {
                compatible = "ti,twl6030-vcxio";
+                regulator-always-on;
        };
        vusb: regulator@9 {
@@ -74,10 +75,12 @@
        v1v8: regulator@10 {
                compatible = "ti,twl6030-v1v8";
+                regulator-always-on;
        };
        v2v1: regulator@11 {
                compatible = "ti,twl6030-v2v1";
+                regulator-always-on;
        };
        clk32kg: regulator@12 {
diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig
index 7d8718468e0d..90610c7030f7 100644
--- a/arch/arm/configs/armadillo800eva_defconfig
+++ b/arch/arm/configs/armadillo800eva_defconfig
@@ -33,7 +33,7 @@ CONFIG_AEABI=y
 CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096"
+CONFIG_CMDLINE="console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096 rw"
 CONFIG_CMDLINE_FORCE=y
 CONFIG_KEXEC=y
 CONFIG_VFP=y
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig
index 2d4f661d1cf6..da6845493caa 100644
--- a/arch/arm/configs/u8500_defconfig
+++ b/arch/arm/configs/u8500_defconfig
@@ -86,6 +86,7 @@ CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_LEDS_LM3530=y
 CONFIG_LEDS_LP5521=y
+CONFIG_LEDS_GPIO=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_AB8500=y
 CONFIG_RTC_DRV_PL031=y
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 03fb93621d0d..5c8b3bf4d825 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -320,4 +320,12 @@
        .size \name , . - \name
        .endm
+        .macro check_uaccess, addr:req, size:req, limit:req, tmp:req, bad:req
+#ifndef CONFIG_CPU_USE_DOMAINS
+        adds    \tmp, \addr, #\size - 1
+        sbcccs  \tmp, \tmp, \limit
+        bcs     \bad
+#endif
+        .endm
 #endif /* __ASM_ASSEMBLER_H__ */
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 2ae842df4551..5c44dcb0987b 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -203,6 +203,13 @@ static inline void dma_free_writecombine(struct device *dev, size_t size,
 }
 /*
+ * This can be called during early boot to increase the size of the atomic
+ * coherent DMA pool above the default value of 256KiB. It must be called
+ * before postcore_initcall.
+ */
+extern void __init init_dma_coherent_pool_size(unsigned long size);
+/*
 * This can be called during boot to increase the size of the consistent
 * DMA region above it's default value of 2MB. It must be called before the
 * memory allocator is initialised, i.e. before any core_initcall.
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index e965f1b560f1..5f6ddcc56452 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -187,6 +187,7 @@ static inline unsigned long __phys_to_virt(unsigned long x)
 #define __phys_to_virt(x)       ((x) - PHYS_OFFSET + PAGE_OFFSET)
 #endif
 #endif
+#endif /* __ASSEMBLY__ */
 #ifndef PHYS_OFFSET
 #ifdef PLAT_PHYS_OFFSET
@@ -196,6 +197,8 @@ static inline unsigned long __phys_to_virt(unsigned long x)
 #endif
 #endif
+#ifndef __ASSEMBLY__
 /*
 * PFNs are used to describe any physical page; this means
 * PFN 0 == physical address 0.
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index f66626d71e7d..41dc31f834c3 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -195,6 +195,18 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
 #define pte_clear(mm,addr,ptep) set_pte_ext(ptep, __pte(0), 0)
+#define pte_none(pte)           (!pte_val(pte))
+#define pte_present(pte)        (pte_val(pte) & L_PTE_PRESENT)
+#define pte_write(pte)          (!(pte_val(pte) & L_PTE_RDONLY))
+#define pte_dirty(pte)          (pte_val(pte) & L_PTE_DIRTY)
+#define pte_young(pte)          (pte_val(pte) & L_PTE_YOUNG)
+#define pte_exec(pte)           (!(pte_val(pte) & L_PTE_XN))
+#define pte_special(pte)        (0)
+#define pte_present_user(pte) \
+        ((pte_val(pte) & (L_PTE_PRESENT | L_PTE_USER)) == \
+         (L_PTE_PRESENT | L_PTE_USER))
 #if __LINUX_ARM_ARCH__ < 6
 static inline void __sync_icache_dcache(pte_t pteval)
 {
@@ -206,25 +218,15 @@ extern void __sync_icache_dcache(pte_t pteval);
 static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
                              pte_t *ptep, pte_t pteval)
 {
-        if (addr >= TASK_SIZE)
+        unsigned long ext = 0;
-                set_pte_ext(ptep, pteval, 0);
-        else {
+        if (addr < TASK_SIZE && pte_present_user(pteval)) {
                __sync_icache_dcache(pteval);
-                set_pte_ext(ptep, pteval, PTE_EXT_NG);
+                ext |= PTE_EXT_NG;
        }
-}
-#define pte_none(pte)           (!pte_val(pte))
+        set_pte_ext(ptep, pteval, ext);
-#define pte_present(pte)        (pte_val(pte) & L_PTE_PRESENT)
+}
-#define pte_write(pte)          (!(pte_val(pte) & L_PTE_RDONLY))
-#define pte_dirty(pte)          (pte_val(pte) & L_PTE_DIRTY)
-#define pte_young(pte)          (pte_val(pte) & L_PTE_YOUNG)
-#define pte_exec(pte)           (!(pte_val(pte) & L_PTE_XN))
-#define pte_special(pte)        (0)
-#define pte_present_user(pte) \
-        ((pte_val(pte) & (L_PTE_PRESENT | L_PTE_USER)) == \
-         (L_PTE_PRESENT | L_PTE_USER))
 #define PTE_BIT_FUNC(fn,op) \
 static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; }
@@ -251,13 +253,13 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 *
 *   3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
 *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
- *   <--------------- offset --------------------> <- type --> 0 0 0
+ *   <--------------- offset ----------------------> < type -> 0 0 0
 *
- * This gives us up to 63 swap files and 32GB per swap file.  Note that
+ * This gives us up to 31 swap files and 64GB per swap file.  Note that
 * the offset field is always non-zero.
 */
 #define __SWP_TYPE_SHIFT        3
-#define __SWP_TYPE_BITS         6
+#define __SWP_TYPE_BITS         5
 #define __SWP_TYPE_MASK         ((1 << __SWP_TYPE_BITS) - 1)
 #define __SWP_OFFSET_SHIFT      (__SWP_TYPE_BITS + __SWP_TYPE_SHIFT)
diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h
index e3f757263438..05b8e82ec9f5 100644
--- a/arch/arm/include/asm/sched_clock.h
+++ b/arch/arm/include/asm/sched_clock.h
@@ -10,5 +10,7 @@
 extern void sched_clock_postinit(void);
 extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
+extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
+                unsigned long rate);
 #endif
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 314d4664eae7..99a19512ee26 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -199,6 +199,9 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
 {
        pgtable_page_dtor(pte);
+#ifdef CONFIG_ARM_LPAE
+        tlb_add_flush(tlb, addr);
+#else
        /*
         * With the classic ARM MMU, a pte page has two corresponding pmd
         * entries, each covering 1MB.
@@ -206,6 +209,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
        addr &= PMD_MASK;
        tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE);
        tlb_add_flush(tlb, addr + SZ_1M);
+#endif
        tlb_remove_page(tlb, pte);
 }
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 479a6352e0b5..77bd79f2ffdb 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -101,28 +101,39 @@ extern int __get_user_1(void *);
 extern int __get_user_2(void *);
 extern int __get_user_4(void *);
-#define __get_user_x(__r2,__p,__e,__s,__i...)                           \
+#define __GUP_CLOBBER_1 "lr", "cc"
+#ifdef CONFIG_CPU_USE_DOMAINS
+#define __GUP_CLOBBER_2 "ip", "lr", "cc"
+#else
+#define __GUP_CLOBBER_2 "lr", "cc"
+#endif
+#define __GUP_CLOBBER_4 "lr", "cc"
+#define __get_user_x(__r2,__p,__e,__l,__s)                              \
           __asm__ __volatile__ (                                       \
                __asmeq("%0", "r0") __asmeq("%1", "r2")                 \
+                __asmeq("%3", "r1")                                     \
                "bl     __get_user_" #__s                               \
                : "=&r" (__e), "=r" (__r2)                              \
-                : "0" (__p)                                             \
+                : "0" (__p), "r" (__l)                                  \
-                : __i, "cc")
+                : __GUP_CLOBBER_##__s)
-#define get_user(x,p)                                                   \
+#define __get_user_check(x,p)                                                   \
        ({                                                              \
+                unsigned long __limit = current_thread_info()->addr_limit - 1; \
                register const typeof(*(p)) __user *__p asm("r0") = (p);\
                register unsigned long __r2 asm("r2");                  \
+                register unsigned long __l asm("r1") = __limit;         \
                register int __e asm("r0");                             \
                switch (sizeof(*(__p))) {                               \
                case 1:                                                 \
-                        __get_user_x(__r2, __p, __e, 1, "lr");          \
+                        __get_user_x(__r2, __p, __e, __l, 1);           \
-                        break;                                          \
+                        break;                                          \
                case 2:                                                 \
-                        __get_user_x(__r2, __p, __e, 2, "r3", "lr");    \
+                        __get_user_x(__r2, __p, __e, __l, 2);           \
                        break;                                          \
                case 4:                                                 \
-                        __get_user_x(__r2, __p, __e, 4, "lr");          \
+                        __get_user_x(__r2, __p, __e, __l, 4);           \
                        break;                                          \
                default: __e = __get_user_bad(); break;                 \
                }                                                       \
@@ -130,42 +141,57 @@ extern int __get_user_4(void *);
                __e;                                                    \
        })
+#define get_user(x,p)                                                   \
+        ({                                                              \
+                might_fault();                                          \
+                __get_user_check(x,p);                                  \
+         })
 extern int __put_user_1(void *, unsigned int);
 extern int __put_user_2(void *, unsigned int);
 extern int __put_user_4(void *, unsigned int);
 extern int __put_user_8(void *, unsigned long long);
-#define __put_user_x(__r2,__p,__e,__s)                                  \
+#define __put_user_x(__r2,__p,__e,__l,__s)                              \
           __asm__ __volatile__ (                                       \
                __asmeq("%0", "r0") __asmeq("%2", "r2")                 \
+                __asmeq("%3", "r1")                                     \
                "bl     __put_user_" #__s                               \
                : "=&r" (__e)                                           \
-                : "0" (__p), "r" (__r2)                                 \
+                : "0" (__p), "r" (__r2), "r" (__l)                      \
                : "ip", "lr", "cc")
-#define put_user(x,p)                                                   \
+#define __put_user_check(x,p)                                                   \
        ({                                                              \
+                unsigned long __limit = current_thread_info()->addr_limit - 1; \
                register const typeof(*(p)) __r2 asm("r2") = (x);       \
                register const typeof(*(p)) __user *__p asm("r0") = (p);\
+                register unsigned long __l asm("r1") = __limit;         \
                register int __e asm("r0");                             \
                switch (sizeof(*(__p))) {                               \
                case 1:                                                 \
-                        __put_user_x(__r2, __p, __e, 1);                \
+                        __put_user_x(__r2, __p, __e, __l, 1);           \
                        break;                                          \
                case 2:                                                 \
-                        __put_user_x(__r2, __p, __e, 2);                \
+                        __put_user_x(__r2, __p, __e, __l, 2);           \
                        break;                                          \
                case 4:                                                 \
-                        __put_user_x(__r2, __p, __e, 4);                \
+                        __put_user_x(__r2, __p, __e, __l, 4);           \
                        break;                                          \
                case 8:                                                 \
-                        __put_user_x(__r2, __p, __e, 8);                \
+                        __put_user_x(__r2, __p, __e, __l, 8);           \
                        break;                                          \
                default: __e = __put_user_bad(); break;                 \
                }                                                       \
                __e;                                                    \
        })
+#define put_user(x,p)                                                   \
+        ({                                                              \
+                might_fault();                                          \
+                __put_user_check(x,p);                                  \
+         })
 #else /* CONFIG_MMU */
 /*
@@ -219,6 +245,7 @@ do {									\
        unsigned long __gu_addr = (unsigned long)(ptr);                 \
        unsigned long __gu_val;                                         \
        __chk_user_ptr(ptr);                                            \
+        might_fault();                                                  \
        switch (sizeof(*(ptr))) {                                       \
        case 1: __get_user_asm_byte(__gu_val,__gu_addr,err);    break;  \
        case 2: __get_user_asm_half(__gu_val,__gu_addr,err);    break;  \
@@ -300,6 +327,7 @@ do {									\
        unsigned long __pu_addr = (unsigned long)(ptr);                 \
        __typeof__(*(ptr)) __pu_val = (x);                              \
        __chk_user_ptr(ptr);                                            \
+        might_fault();                                                  \
        switch (sizeof(*(ptr))) {                                       \
        case 1: __put_user_asm_byte(__pu_val,__pu_addr,err);    break;  \
        case 2: __put_user_asm_half(__pu_val,__pu_addr,err);    break;  \
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index ba386bd94107..281bf3301241 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -159,6 +159,12 @@ static int debug_arch_supported(void)
                arch >= ARM_DEBUG_ARCH_V7_1;
 }
+/* Can we determine the watchpoint access type from the fsr? */
+static int debug_exception_updates_fsr(void)
+{
+        return 0;
+}
 /* Determine number of WRP registers available. */
 static int get_num_wrp_resources(void)
 {
@@ -604,13 +610,14 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
                /* Aligned */
                break;
        case 1:
-                /* Allow single byte watchpoint. */
-                if (info->ctrl.len == ARM_BREAKPOINT_LEN_1)
-                        break;
        case 2:
                /* Allow halfword watchpoints and breakpoints. */
                if (info->ctrl.len == ARM_BREAKPOINT_LEN_2)
                        break;
+        case 3:
+                /* Allow single byte watchpoint. */
+                if (info->ctrl.len == ARM_BREAKPOINT_LEN_1)
+                        break;
        default:
                ret = -EINVAL;
                goto out;
@@ -619,18 +626,35 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
        info->address &= ~alignment_mask;
        info->ctrl.len <<= offset;
-        /*
+        if (!bp->overflow_handler) {
-         * Currently we rely on an overflow handler to take
+                /*
-         * care of single-stepping the breakpoint when it fires.
+                 * Mismatch breakpoints are required for single-stepping
-         * In the case of userspace breakpoints on a core with V7 debug,
+                 * breakpoints.
-         * we can use the mismatch feature as a poor-man's hardware
+                 */
-         * single-step, but this only works for per-task breakpoints.
+                if (!core_has_mismatch_brps())
-         */
+                        return -EINVAL;
-        if (!bp->overflow_handler && (arch_check_bp_in_kernelspace(bp) ||
-            !core_has_mismatch_brps() || !bp->hw.bp_target)) {
+                /* We don't allow mismatch breakpoints in kernel space. */
-                pr_warning("overflow handler required but none found\n");
+                if (arch_check_bp_in_kernelspace(bp))
-                ret = -EINVAL;
+                        return -EPERM;
+                /*
+                 * Per-cpu breakpoints are not supported by our stepping
+                 * mechanism.
+                 */
+                if (!bp->hw.bp_target)
+                        return -EINVAL;
+                /*
+                 * We only support specific access types if the fsr
+                 * reports them.
+                 */
+                if (!debug_exception_updates_fsr() &&
+                    (info->ctrl.type == ARM_BREAKPOINT_LOAD ||
+                     info->ctrl.type == ARM_BREAKPOINT_STORE))
+                        return -EINVAL;
        }
 out:
        return ret;
 }
@@ -706,10 +730,12 @@ static void watchpoint_handler(unsigned long addr, unsigned int fsr,
                                goto unlock;
                        /* Check that the access type matches. */
-                        access = (fsr & ARM_FSR_ACCESS_MASK) ? HW_BREAKPOINT_W :
+                        if (debug_exception_updates_fsr()) {
-                                 HW_BREAKPOINT_R;
+                                access = (fsr & ARM_FSR_ACCESS_MASK) ?
-                        if (!(access & hw_breakpoint_type(wp)))
+                                          HW_BREAKPOINT_W : HW_BREAKPOINT_R;
-                                goto unlock;
+                                if (!(access & hw_breakpoint_type(wp)))
+                                        goto unlock;
+                        }
                        /* We have a winner. */
                        info->trigger = addr;
diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c
index 27d186abbc06..f4515393248d 100644
--- a/arch/arm/kernel/sched_clock.c
+++ b/arch/arm/kernel/sched_clock.c
@@ -21,6 +21,8 @@ struct clock_data {
        u32 epoch_cyc_copy;
        u32 mult;
        u32 shift;
+        bool suspended;
+        bool needs_suspend;
 };
 static void sched_clock_poll(unsigned long wrap_ticks);
@@ -49,6 +51,9 @@ static unsigned long long cyc_to_sched_clock(u32 cyc, u32 mask)
        u64 epoch_ns;
        u32 epoch_cyc;
+        if (cd.suspended)
+                return cd.epoch_ns;
        /*
         * Load the epoch_cyc and epoch_ns atomically.  We do this by
         * ensuring that we always write epoch_cyc, epoch_ns and
@@ -98,6 +103,13 @@ static void sched_clock_poll(unsigned long wrap_ticks)
        update_sched_clock();
 }
+void __init setup_sched_clock_needs_suspend(u32 (*read)(void), int bits,
+                unsigned long rate)
+{
+        setup_sched_clock(read, bits, rate);
+        cd.needs_suspend = true;
+}
 void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
 {
        unsigned long r, w;
@@ -169,11 +181,23 @@ void __init sched_clock_postinit(void)
 static int sched_clock_suspend(void)
 {
        sched_clock_poll(sched_clock_timer.data);
+        if (cd.needs_suspend)
+                cd.suspended = true;
        return 0;
 }
+static void sched_clock_resume(void)
+{
+        if (cd.needs_suspend) {
+                cd.epoch_cyc = read_sched_clock();
+                cd.epoch_cyc_copy = cd.epoch_cyc;
+                cd.suspended = false;
+        }
+}
 static struct syscore_ops sched_clock_ops = {
        .suspend = sched_clock_suspend,
+        .resume = sched_clock_resume,
 };
 static int __init sched_clock_syscore_init(void)
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index 198b08456e90..26c12c6440fc 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -321,7 +321,7 @@ void store_cpu_topology(unsigned int cpuid)
 * init_cpu_topology is called at boot when only one cpu is running
 * which prevent simultaneous write access to cpu_topology array
 */
-void init_cpu_topology(void)
+void __init init_cpu_topology(void)
 {
        unsigned int cpu;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index f7945218b8c6..b0179b89a04c 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -420,20 +420,23 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
 #endif
                        instr = *(u32 *) pc;
        } else if (thumb_mode(regs)) {
-                get_user(instr, (u16 __user *)pc);
+                if (get_user(instr, (u16 __user *)pc))
+                        goto die_sig;
                if (is_wide_instruction(instr)) {
                        unsigned int instr2;
-                        get_user(instr2, (u16 __user *)pc+1);
+                        if (get_user(instr2, (u16 __user *)pc+1))
+                                goto die_sig;
                        instr <<= 16;
                        instr |= instr2;
                }
-        } else {
+        } else if (get_user(instr, (u32 __user *)pc)) {
-                get_user(instr, (u32 __user *)pc);
+                goto die_sig;
        }
        if (call_undef_hook(regs, instr) == 0)
                return;
+die_sig:
 #ifdef CONFIG_DEBUG_USER
        if (user_debug & UDBG_UNDEFINED) {
                printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n",
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 2473fd1fd51c..af72969820b4 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -16,13 +16,30 @@ lib-y		:= backtrace.o changebit.o csumipv6.o csumpartial.o   \
                   call_with_stack.o
 mmu-y   := clear_user.o copy_page.o getuser.o putuser.o
-mmu-y   += copy_from_user.o copy_to_user.o
+# the code in uaccess.S is not preemption safe and
+# probably faster on ARMv3 only
+ifeq ($(CONFIG_PREEMPT),y)
+  mmu-y += copy_from_user.o copy_to_user.o
+else
+ifneq ($(CONFIG_CPU_32v3),y)
+  mmu-y += copy_from_user.o copy_to_user.o
+else
+  mmu-y += uaccess.o
+endif
+endif
 # using lib_ here won't override already available weak symbols
 obj-$(CONFIG_UACCESS_WITH_MEMCPY) += uaccess_with_memcpy.o
-lib-$(CONFIG_MMU)               += $(mmu-y)
+lib-$(CONFIG_MMU) += $(mmu-y)
-lib-y                           += io-readsw-armv4.o io-writesw-armv4.o
+ifeq ($(CONFIG_CPU_32v3),y)
+  lib-y += io-readsw-armv3.o io-writesw-armv3.o
+else
+  lib-y += io-readsw-armv4.o io-writesw-armv4.o
+endif
 lib-$(CONFIG_ARCH_RPC)          += ecard.o io-acorn.o floppydma.o
 lib-$(CONFIG_ARCH_SHARK)        += io-shark.o
diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
index d6dacc69254e..395d5fbb8fa2 100644
--- a/arch/arm/lib/delay.c
+++ b/arch/arm/lib/delay.c
@@ -59,6 +59,7 @@ void __init init_current_timer_delay(unsigned long freq)
 {
        pr_info("Switching to timer-based delay loop\n");
        lpj_fine                        = freq / HZ;
+        loops_per_jiffy                 = lpj_fine;
        arm_delay_ops.delay             = __timer_delay;
        arm_delay_ops.const_udelay      = __timer_const_udelay;
        arm_delay_ops.udelay            = __timer_udelay;
diff --git a/arch/arm/lib/getuser.S b/arch/arm/lib/getuser.S
index 11093a7c3e32..9b06bb41fca6 100644
--- a/arch/arm/lib/getuser.S
+++ b/arch/arm/lib/getuser.S
@@ -16,8 +16,9 @@
 * __get_user_X
 *
 * Inputs:      r0 contains the address
+ *              r1 contains the address limit, which must be preserved
 * Outputs:     r0 is the error code
- *              r2, r3 contains the zero-extended value
+ *              r2 contains the zero-extended value
 *              lr corrupted
 *
 * No other registers must be altered.  (see <asm/uaccess.h>
@@ -27,33 +28,39 @@
 * Note also that it is intended that __get_user_bad is not global.
 */
 #include <linux/linkage.h>
+#include <asm/assembler.h>
 #include <asm/errno.h>
 #include <asm/domain.h>
 ENTRY(__get_user_1)
+        check_uaccess r0, 1, r1, r2, __get_user_bad
 1: TUSER(ldrb)  r2, [r0]
        mov     r0, #0
        mov     pc, lr
 ENDPROC(__get_user_1)
 ENTRY(__get_user_2)
-#ifdef CONFIG_THUMB2_KERNEL
+        check_uaccess r0, 2, r1, r2, __get_user_bad
-2: TUSER(ldrb)  r2, [r0]
+#ifdef CONFIG_CPU_USE_DOMAINS
-3: TUSER(ldrb)  r3, [r0, #1]
+rb      .req    ip
+2:      ldrbt   r2, [r0], #1
+3:      ldrbt   rb, [r0], #0
 #else
-2: TUSER(ldrb)  r2, [r0], #1
+rb      .req    r0
-3: TUSER(ldrb)  r3, [r0]
+2:      ldrb    r2, [r0]
+3:      ldrb    rb, [r0, #1]
 #endif
 #ifndef __ARMEB__
-        orr     r2, r2, r3, lsl #8
+        orr     r2, r2, rb, lsl #8
 #else
-        orr     r2, r3, r2, lsl #8
+        orr     r2, rb, r2, lsl #8
 #endif
        mov     r0, #0
        mov     pc, lr
 ENDPROC(__get_user_2)
 ENTRY(__get_user_4)
+        check_uaccess r0, 4, r1, r2, __get_user_bad
 4: TUSER(ldr)   r2, [r0]
        mov     r0, #0
        mov     pc, lr
diff --git a/arch/arm/lib/io-readsw-armv3.S b/arch/arm/lib/io-readsw-armv3.S
new file mode 100644
index 000000000000..88487c8c4f23
--- /dev/null
+++ b/arch/arm/lib/io-readsw-armv3.S
@@ -0,0 +1,106 @@
+/*
+ *  linux/arch/arm/lib/io-readsw-armv3.S
+ *
+ *  Copyright (C) 1995-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+.Linsw_bad_alignment:
+                adr     r0, .Linsw_bad_align_msg
+                mov     r2, lr
+                b       panic
+.Linsw_bad_align_msg:
+                .asciz  "insw: bad buffer alignment (0x%p, lr=0x%08lX)\n"
+                .align
+.Linsw_align:   tst     r1, #1
+                bne     .Linsw_bad_alignment
+                ldr     r3, [r0]
+                strb    r3, [r1], #1
+                mov     r3, r3, lsr #8
+                strb    r3, [r1], #1
+                subs    r2, r2, #1
+                moveq   pc, lr
+ENTRY(__raw_readsw)
+                teq     r2, #0          @ do we have to check for the zero len?
+                moveq   pc, lr
+                tst     r1, #3
+                bne     .Linsw_align
+.Linsw_aligned: mov     ip, #0xff
+                orr     ip, ip, ip, lsl #8
+                stmfd   sp!, {r4, r5, r6, lr}
+                subs    r2, r2, #8
+                bmi     .Lno_insw_8
+.Linsw_8_lp:    ldr     r3, [r0]
+                and     r3, r3, ip
+                ldr     r4, [r0]
+                orr     r3, r3, r4, lsl #16
+                ldr     r4, [r0]
+                and     r4, r4, ip
+                ldr     r5, [r0]
+                orr     r4, r4, r5, lsl #16
+                ldr     r5, [r0]
+                and     r5, r5, ip
+                ldr     r6, [r0]
+                orr     r5, r5, r6, lsl #16
+                ldr     r6, [r0]
+                and     r6, r6, ip
+                ldr     lr, [r0]
+                orr     r6, r6, lr, lsl #16
+                stmia   r1!, {r3 - r6}
+                subs    r2, r2, #8
+                bpl     .Linsw_8_lp
+                tst     r2, #7
+                ldmeqfd sp!, {r4, r5, r6, pc}
+.Lno_insw_8:    tst     r2, #4
+                beq     .Lno_insw_4
+                ldr     r3, [r0]
+                and     r3, r3, ip
+                ldr     r4, [r0]
+                orr     r3, r3, r4, lsl #16
+                ldr     r4, [r0]
+                and     r4, r4, ip
+                ldr     r5, [r0]
+                orr     r4, r4, r5, lsl #16
+                stmia   r1!, {r3, r4}
+.Lno_insw_4:    tst     r2, #2
+                beq     .Lno_insw_2
+                ldr     r3, [r0]
+                and     r3, r3, ip
+                ldr     r4, [r0]
+                orr     r3, r3, r4, lsl #16
+                str     r3, [r1], #4
+.Lno_insw_2:    tst     r2, #1
+                ldrne   r3, [r0]
+                strneb  r3, [r1], #1
+                movne   r3, r3, lsr #8
+                strneb  r3, [r1]
+                ldmfd   sp!, {r4, r5, r6, pc}
diff --git a/arch/arm/lib/io-writesw-armv3.S b/arch/arm/lib/io-writesw-armv3.S
new file mode 100644
index 000000000000..49b800419e32
--- /dev/null
+++ b/arch/arm/lib/io-writesw-armv3.S
@@ -0,0 +1,126 @@
+/*
+ *  linux/arch/arm/lib/io-writesw-armv3.S
+ *
+ *  Copyright (C) 1995-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+.Loutsw_bad_alignment:
+                adr     r0, .Loutsw_bad_align_msg
+                mov     r2, lr
+                b       panic
+.Loutsw_bad_align_msg:
+                .asciz  "outsw: bad buffer alignment (0x%p, lr=0x%08lX)\n"
+                .align
+.Loutsw_align:  tst     r1, #1
+                bne     .Loutsw_bad_alignment
+                add     r1, r1, #2
+                ldr     r3, [r1, #-4]
+                mov     r3, r3, lsr #16
+                orr     r3, r3, r3, lsl #16
+                str     r3, [r0]
+                subs    r2, r2, #1
+                moveq   pc, lr
+ENTRY(__raw_writesw)
+                teq     r2, #0          @ do we have to check for the zero len?
+                moveq   pc, lr
+                tst     r1, #3
+                bne     .Loutsw_align
+                stmfd   sp!, {r4, r5, r6, lr}
+                subs    r2, r2, #8
+                bmi     .Lno_outsw_8
+.Loutsw_8_lp:   ldmia   r1!, {r3, r4, r5, r6}
+                mov     ip, r3, lsl #16
+                orr     ip, ip, ip, lsr #16
+                str     ip, [r0]
+                mov     ip, r3, lsr #16
+                orr     ip, ip, ip, lsl #16
+                str     ip, [r0]
+                mov     ip, r4, lsl #16
+                orr     ip, ip, ip, lsr #16
+                str     ip, [r0]
+                mov     ip, r4, lsr #16
+                orr     ip, ip, ip, lsl #16
+                str     ip, [r0]
+                mov     ip, r5, lsl #16
+                orr     ip, ip, ip, lsr #16
+                str     ip, [r0]
+                mov     ip, r5, lsr #16
+                orr     ip, ip, ip, lsl #16
+                str     ip, [r0]
+                mov     ip, r6, lsl #16
+                orr     ip, ip, ip, lsr #16
+                str     ip, [r0]
+                mov     ip, r6, lsr #16
+                orr     ip, ip, ip, lsl #16
+                str     ip, [r0]
+                subs    r2, r2, #8
+                bpl     .Loutsw_8_lp
+                tst     r2, #7
+                ldmeqfd sp!, {r4, r5, r6, pc}
+.Lno_outsw_8:   tst     r2, #4
+                beq     .Lno_outsw_4
+                ldmia   r1!, {r3, r4}
+                mov     ip, r3, lsl #16
+                orr     ip, ip, ip, lsr #16
+                str     ip, [r0]
+                mov     ip, r3, lsr #16
+                orr     ip, ip, ip, lsl #16
+                str     ip, [r0]
+                mov     ip, r4, lsl #16
+                orr     ip, ip, ip, lsr #16
+                str     ip, [r0]
+                mov     ip, r4, lsr #16
+                orr     ip, ip, ip, lsl #16
+                str     ip, [r0]
+.Lno_outsw_4:   tst     r2, #2
+                beq     .Lno_outsw_2
+                ldr     r3, [r1], #4
+                mov     ip, r3, lsl #16
+                orr     ip, ip, ip, lsr #16
+                str     ip, [r0]
+                mov     ip, r3, lsr #16
+                orr     ip, ip, ip, lsl #16
+                str     ip, [r0]
+.Lno_outsw_2:   tst     r2, #1
+                ldrne   r3, [r1]
+                movne   ip, r3, lsl #16
+                orrne   ip, ip, ip, lsr #16
+                strne   ip, [r0]
+                ldmfd   sp!, {r4, r5, r6, pc}
diff --git a/arch/arm/lib/putuser.S b/arch/arm/lib/putuser.S
index 7db25990c589..3d73dcb959b0 100644
--- a/arch/arm/lib/putuser.S
+++ b/arch/arm/lib/putuser.S
@@ -16,6 +16,7 @@
 * __put_user_X
 *
 * Inputs:      r0 contains the address
+ *              r1 contains the address limit, which must be preserved
 *              r2, r3 contains the value
 * Outputs:     r0 is the error code
 *              lr corrupted
@@ -27,16 +28,19 @@
 * Note also that it is intended that __put_user_bad is not global.
 */
 #include <linux/linkage.h>
+#include <asm/assembler.h>
 #include <asm/errno.h>
 #include <asm/domain.h>
 ENTRY(__put_user_1)
+        check_uaccess r0, 1, r1, ip, __put_user_bad
 1: TUSER(strb)  r2, [r0]
        mov     r0, #0
        mov     pc, lr
 ENDPROC(__put_user_1)
 ENTRY(__put_user_2)
+        check_uaccess r0, 2, r1, ip, __put_user_bad
        mov     ip, r2, lsr #8
 #ifdef CONFIG_THUMB2_KERNEL
 #ifndef __ARMEB__
@@ -60,12 +64,14 @@ ENTRY(__put_user_2)
 ENDPROC(__put_user_2)
 ENTRY(__put_user_4)
+        check_uaccess r0, 4, r1, ip, __put_user_bad
 4: TUSER(str)   r2, [r0]
        mov     r0, #0
        mov     pc, lr
 ENDPROC(__put_user_4)
 ENTRY(__put_user_8)
+        check_uaccess r0, 8, r1, ip, __put_user_bad
 #ifdef CONFIG_THUMB2_KERNEL
 5: TUSER(str)   r2, [r0]
 6: TUSER(str)   r3, [r0, #4]
diff --git a/arch/arm/lib/uaccess.S b/arch/arm/lib/uaccess.S
new file mode 100644
index 000000000000..5c908b1cb8ed
--- /dev/null
+++ b/arch/arm/lib/uaccess.S
@@ -0,0 +1,564 @@
+/*
+ *  linux/arch/arm/lib/uaccess.S
+ *
+ *  Copyright (C) 1995, 1996,1997,1998 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  Routines to block copy data to/from user memory
+ *   These are highly optimised both for the 4k page size
+ *   and for various alignments.
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <asm/errno.h>
+#include <asm/domain.h>
+                .text
+#define PAGE_SHIFT 12
+/* Prototype: int __copy_to_user(void *to, const char *from, size_t n)
+ * Purpose  : copy a block to user memory from kernel memory
+ * Params   : to   - user memory
+ *          : from - kernel memory
+ *          : n    - number of bytes to copy
+ * Returns  : Number of bytes NOT copied.
+ */
+.Lc2u_dest_not_aligned:
+                rsb     ip, ip, #4
+                cmp     ip, #2
+                ldrb    r3, [r1], #1
+USER(   TUSER(  strb)   r3, [r0], #1)                   @ May fault
+                ldrgeb  r3, [r1], #1
+USER(   TUSER(  strgeb) r3, [r0], #1)                   @ May fault
+                ldrgtb  r3, [r1], #1
+USER(   TUSER(  strgtb) r3, [r0], #1)                   @ May fault
+                sub     r2, r2, ip
+                b       .Lc2u_dest_aligned
+ENTRY(__copy_to_user)
+                stmfd   sp!, {r2, r4 - r7, lr}
+                cmp     r2, #4
+                blt     .Lc2u_not_enough
+                ands    ip, r0, #3
+                bne     .Lc2u_dest_not_aligned
+.Lc2u_dest_aligned:
+                ands    ip, r1, #3
+                bne     .Lc2u_src_not_aligned
+/*
+ * Seeing as there has to be at least 8 bytes to copy, we can
+ * copy one word, and force a user-mode page fault...
+ */
+.Lc2u_0fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lc2u_0nowords
+                ldr     r3, [r1], #4
+USER(   TUSER(  str)    r3, [r0], #4)                   @ May fault
+                mov     ip, r0, lsl #32 - PAGE_SHIFT    @ On each page, use a ld/st??t instruction
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lc2u_0fupi
+/*
+ * ip = max no. of bytes to copy before needing another "strt" insn
+ */
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #32
+                blt     .Lc2u_0rem8lp
+.Lc2u_0cpy8lp:  ldmia   r1!, {r3 - r6}
+                stmia   r0!, {r3 - r6}                  @ Shouldnt fault
+                ldmia   r1!, {r3 - r6}
+                subs    ip, ip, #32
+                stmia   r0!, {r3 - r6}                  @ Shouldnt fault
+                bpl     .Lc2u_0cpy8lp
+.Lc2u_0rem8lp:  cmn     ip, #16
+                ldmgeia r1!, {r3 - r6}
+                stmgeia r0!, {r3 - r6}                  @ Shouldnt fault
+                tst     ip, #8
+                ldmneia r1!, {r3 - r4}
+                stmneia r0!, {r3 - r4}                  @ Shouldnt fault
+                tst     ip, #4
+                ldrne   r3, [r1], #4
+        TUSER(  strne) r3, [r0], #4                     @ Shouldnt fault
+                ands    ip, ip, #3
+                beq     .Lc2u_0fupi
+.Lc2u_0nowords: teq     ip, #0
+                beq     .Lc2u_finished
+.Lc2u_nowords:  cmp     ip, #2
+                ldrb    r3, [r1], #1
+USER(   TUSER(  strb)   r3, [r0], #1)                   @ May fault
+                ldrgeb  r3, [r1], #1
+USER(   TUSER(  strgeb) r3, [r0], #1)                   @ May fault
+                ldrgtb  r3, [r1], #1
+USER(   TUSER(  strgtb) r3, [r0], #1)                   @ May fault
+                b       .Lc2u_finished
+.Lc2u_not_enough:
+                movs    ip, r2
+                bne     .Lc2u_nowords
+.Lc2u_finished: mov     r0, #0
+                ldmfd   sp!, {r2, r4 - r7, pc}
+.Lc2u_src_not_aligned:
+                bic     r1, r1, #3
+                ldr     r7, [r1], #4
+                cmp     ip, #2
+                bgt     .Lc2u_3fupi
+                beq     .Lc2u_2fupi
+.Lc2u_1fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lc2u_1nowords
+                mov     r3, r7, pull #8
+                ldr     r7, [r1], #4
+                orr     r3, r3, r7, push #24
+USER(   TUSER(  str)    r3, [r0], #4)                   @ May fault
+                mov     ip, r0, lsl #32 - PAGE_SHIFT
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lc2u_1fupi
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #16
+                blt     .Lc2u_1rem8lp
+.Lc2u_1cpy8lp:  mov     r3, r7, pull #8
+                ldmia   r1!, {r4 - r7}
+                subs    ip, ip, #16
+                orr     r3, r3, r4, push #24
+                mov     r4, r4, pull #8
+                orr     r4, r4, r5, push #24
+                mov     r5, r5, pull #8
+                orr     r5, r5, r6, push #24
+                mov     r6, r6, pull #8
+                orr     r6, r6, r7, push #24
+                stmia   r0!, {r3 - r6}                  @ Shouldnt fault
+                bpl     .Lc2u_1cpy8lp
+.Lc2u_1rem8lp:  tst     ip, #8
+                movne   r3, r7, pull #8
+                ldmneia r1!, {r4, r7}
+                orrne   r3, r3, r4, push #24
+                movne   r4, r4, pull #8
+                orrne   r4, r4, r7, push #24
+                stmneia r0!, {r3 - r4}                  @ Shouldnt fault
+                tst     ip, #4
+                movne   r3, r7, pull #8
+                ldrne   r7, [r1], #4
+                orrne   r3, r3, r7, push #24
+        TUSER(  strne) r3, [r0], #4                     @ Shouldnt fault
+                ands    ip, ip, #3
+                beq     .Lc2u_1fupi
+.Lc2u_1nowords: mov     r3, r7, get_byte_1
+                teq     ip, #0
+                beq     .Lc2u_finished
+                cmp     ip, #2
+USER(   TUSER(  strb)   r3, [r0], #1)                   @ May fault
+                movge   r3, r7, get_byte_2
+USER(   TUSER(  strgeb) r3, [r0], #1)                   @ May fault
+                movgt   r3, r7, get_byte_3
+USER(   TUSER(  strgtb) r3, [r0], #1)                   @ May fault
+                b       .Lc2u_finished
+.Lc2u_2fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lc2u_2nowords
+                mov     r3, r7, pull #16
+                ldr     r7, [r1], #4
+                orr     r3, r3, r7, push #16
+USER(   TUSER(  str)    r3, [r0], #4)                   @ May fault
+                mov     ip, r0, lsl #32 - PAGE_SHIFT
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lc2u_2fupi
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #16
+                blt     .Lc2u_2rem8lp
+.Lc2u_2cpy8lp:  mov     r3, r7, pull #16
+                ldmia   r1!, {r4 - r7}
+                subs    ip, ip, #16
+                orr     r3, r3, r4, push #16
+                mov     r4, r4, pull #16
+                orr     r4, r4, r5, push #16
+                mov     r5, r5, pull #16
+                orr     r5, r5, r6, push #16
+                mov     r6, r6, pull #16
+                orr     r6, r6, r7, push #16
+                stmia   r0!, {r3 - r6}                  @ Shouldnt fault
+                bpl     .Lc2u_2cpy8lp
+.Lc2u_2rem8lp:  tst     ip, #8
+                movne   r3, r7, pull #16
+                ldmneia r1!, {r4, r7}
+                orrne   r3, r3, r4, push #16
+                movne   r4, r4, pull #16
+                orrne   r4, r4, r7, push #16
+                stmneia r0!, {r3 - r4}                  @ Shouldnt fault
+                tst     ip, #4
+                movne   r3, r7, pull #16
+                ldrne   r7, [r1], #4
+                orrne   r3, r3, r7, push #16
+        TUSER(  strne) r3, [r0], #4                     @ Shouldnt fault
+                ands    ip, ip, #3
+                beq     .Lc2u_2fupi
+.Lc2u_2nowords: mov     r3, r7, get_byte_2
+                teq     ip, #0
+                beq     .Lc2u_finished
+                cmp     ip, #2
+USER(   TUSER(  strb)   r3, [r0], #1)                   @ May fault
+                movge   r3, r7, get_byte_3
+USER(   TUSER(  strgeb) r3, [r0], #1)                   @ May fault
+                ldrgtb  r3, [r1], #0
+USER(   TUSER(  strgtb) r3, [r0], #1)                   @ May fault
+                b       .Lc2u_finished
+.Lc2u_3fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lc2u_3nowords
+                mov     r3, r7, pull #24
+                ldr     r7, [r1], #4
+                orr     r3, r3, r7, push #8
+USER(   TUSER(  str)    r3, [r0], #4)                   @ May fault
+                mov     ip, r0, lsl #32 - PAGE_SHIFT
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lc2u_3fupi
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #16
+                blt     .Lc2u_3rem8lp
+.Lc2u_3cpy8lp:  mov     r3, r7, pull #24
+                ldmia   r1!, {r4 - r7}
+                subs    ip, ip, #16
+                orr     r3, r3, r4, push #8
+                mov     r4, r4, pull #24
+                orr     r4, r4, r5, push #8
+                mov     r5, r5, pull #24
+                orr     r5, r5, r6, push #8
+                mov     r6, r6, pull #24
+                orr     r6, r6, r7, push #8
+                stmia   r0!, {r3 - r6}                  @ Shouldnt fault
+                bpl     .Lc2u_3cpy8lp
+.Lc2u_3rem8lp:  tst     ip, #8
+                movne   r3, r7, pull #24
+                ldmneia r1!, {r4, r7}
+                orrne   r3, r3, r4, push #8
+                movne   r4, r4, pull #24
+                orrne   r4, r4, r7, push #8
+                stmneia r0!, {r3 - r4}                  @ Shouldnt fault
+                tst     ip, #4
+                movne   r3, r7, pull #24
+                ldrne   r7, [r1], #4
+                orrne   r3, r3, r7, push #8
+        TUSER(  strne) r3, [r0], #4                     @ Shouldnt fault
+                ands    ip, ip, #3
+                beq     .Lc2u_3fupi
+.Lc2u_3nowords: mov     r3, r7, get_byte_3
+                teq     ip, #0
+                beq     .Lc2u_finished
+                cmp     ip, #2
+USER(   TUSER(  strb)   r3, [r0], #1)                   @ May fault
+                ldrgeb  r3, [r1], #1
+USER(   TUSER(  strgeb) r3, [r0], #1)                   @ May fault
+                ldrgtb  r3, [r1], #0
+USER(   TUSER(  strgtb) r3, [r0], #1)                   @ May fault
+                b       .Lc2u_finished
+ENDPROC(__copy_to_user)
+                .pushsection .fixup,"ax"
+                .align  0
+9001:           ldmfd   sp!, {r0, r4 - r7, pc}
+                .popsection
+/* Prototype: unsigned long __copy_from_user(void *to,const void *from,unsigned long n);
+ * Purpose  : copy a block from user memory to kernel memory
+ * Params   : to   - kernel memory
+ *          : from - user memory
+ *          : n    - number of bytes to copy
+ * Returns  : Number of bytes NOT copied.
+ */
+.Lcfu_dest_not_aligned:
+                rsb     ip, ip, #4
+                cmp     ip, #2
+USER(   TUSER(  ldrb)   r3, [r1], #1)                   @ May fault
+                strb    r3, [r0], #1
+USER(   TUSER(  ldrgeb) r3, [r1], #1)                   @ May fault
+                strgeb  r3, [r0], #1
+USER(   TUSER(  ldrgtb) r3, [r1], #1)                   @ May fault
+                strgtb  r3, [r0], #1
+                sub     r2, r2, ip
+                b       .Lcfu_dest_aligned
+ENTRY(__copy_from_user)
+                stmfd   sp!, {r0, r2, r4 - r7, lr}
+                cmp     r2, #4
+                blt     .Lcfu_not_enough
+                ands    ip, r0, #3
+                bne     .Lcfu_dest_not_aligned
+.Lcfu_dest_aligned:
+                ands    ip, r1, #3
+                bne     .Lcfu_src_not_aligned
+/*
+ * Seeing as there has to be at least 8 bytes to copy, we can
+ * copy one word, and force a user-mode page fault...
+ */
+.Lcfu_0fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lcfu_0nowords
+USER(   TUSER(  ldr)    r3, [r1], #4)
+                str     r3, [r0], #4
+                mov     ip, r1, lsl #32 - PAGE_SHIFT    @ On each page, use a ld/st??t instruction
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lcfu_0fupi
+/*
+ * ip = max no. of bytes to copy before needing another "strt" insn
+ */
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #32
+                blt     .Lcfu_0rem8lp
+.Lcfu_0cpy8lp:  ldmia   r1!, {r3 - r6}                  @ Shouldnt fault
+                stmia   r0!, {r3 - r6}
+                ldmia   r1!, {r3 - r6}                  @ Shouldnt fault
+                subs    ip, ip, #32
+                stmia   r0!, {r3 - r6}
+                bpl     .Lcfu_0cpy8lp
+.Lcfu_0rem8lp:  cmn     ip, #16
+                ldmgeia r1!, {r3 - r6}                  @ Shouldnt fault
+                stmgeia r0!, {r3 - r6}
+                tst     ip, #8
+                ldmneia r1!, {r3 - r4}                  @ Shouldnt fault
+                stmneia r0!, {r3 - r4}
+                tst     ip, #4
+        TUSER(  ldrne) r3, [r1], #4                     @ Shouldnt fault
+                strne   r3, [r0], #4
+                ands    ip, ip, #3
+                beq     .Lcfu_0fupi
+.Lcfu_0nowords: teq     ip, #0
+                beq     .Lcfu_finished
+.Lcfu_nowords:  cmp     ip, #2
+USER(   TUSER(  ldrb)   r3, [r1], #1)                   @ May fault
+                strb    r3, [r0], #1
+USER(   TUSER(  ldrgeb) r3, [r1], #1)                   @ May fault
+                strgeb  r3, [r0], #1
+USER(   TUSER(  ldrgtb) r3, [r1], #1)                   @ May fault
+                strgtb  r3, [r0], #1
+                b       .Lcfu_finished
+.Lcfu_not_enough:
+                movs    ip, r2
+                bne     .Lcfu_nowords
+.Lcfu_finished: mov     r0, #0
+                add     sp, sp, #8
+                ldmfd   sp!, {r4 - r7, pc}
+.Lcfu_src_not_aligned:
+                bic     r1, r1, #3
+USER(   TUSER(  ldr)    r7, [r1], #4)                   @ May fault
+                cmp     ip, #2
+                bgt     .Lcfu_3fupi
+                beq     .Lcfu_2fupi
+.Lcfu_1fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lcfu_1nowords
+                mov     r3, r7, pull #8
+USER(   TUSER(  ldr)    r7, [r1], #4)                   @ May fault
+                orr     r3, r3, r7, push #24
+                str     r3, [r0], #4
+                mov     ip, r1, lsl #32 - PAGE_SHIFT
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lcfu_1fupi
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #16
+                blt     .Lcfu_1rem8lp
+.Lcfu_1cpy8lp:  mov     r3, r7, pull #8
+                ldmia   r1!, {r4 - r7}                  @ Shouldnt fault
+                subs    ip, ip, #16
+                orr     r3, r3, r4, push #24
+                mov     r4, r4, pull #8
+                orr     r4, r4, r5, push #24
+                mov     r5, r5, pull #8
+                orr     r5, r5, r6, push #24
+                mov     r6, r6, pull #8
+                orr     r6, r6, r7, push #24
+                stmia   r0!, {r3 - r6}
+                bpl     .Lcfu_1cpy8lp
+.Lcfu_1rem8lp:  tst     ip, #8
+                movne   r3, r7, pull #8
+                ldmneia r1!, {r4, r7}                   @ Shouldnt fault
+                orrne   r3, r3, r4, push #24
+                movne   r4, r4, pull #8
+                orrne   r4, r4, r7, push #24
+                stmneia r0!, {r3 - r4}
+                tst     ip, #4
+                movne   r3, r7, pull #8
+USER(   TUSER(  ldrne) r7, [r1], #4)                    @ May fault
+                orrne   r3, r3, r7, push #24
+                strne   r3, [r0], #4
+                ands    ip, ip, #3
+                beq     .Lcfu_1fupi
+.Lcfu_1nowords: mov     r3, r7, get_byte_1
+                teq     ip, #0
+                beq     .Lcfu_finished
+                cmp     ip, #2
+                strb    r3, [r0], #1
+                movge   r3, r7, get_byte_2
+                strgeb  r3, [r0], #1
+                movgt   r3, r7, get_byte_3
+                strgtb  r3, [r0], #1
+                b       .Lcfu_finished
+.Lcfu_2fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lcfu_2nowords
+                mov     r3, r7, pull #16
+USER(   TUSER(  ldr)    r7, [r1], #4)                   @ May fault
+                orr     r3, r3, r7, push #16
+                str     r3, [r0], #4
+                mov     ip, r1, lsl #32 - PAGE_SHIFT
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lcfu_2fupi
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #16
+                blt     .Lcfu_2rem8lp
+.Lcfu_2cpy8lp:  mov     r3, r7, pull #16
+                ldmia   r1!, {r4 - r7}                  @ Shouldnt fault
+                subs    ip, ip, #16
+                orr     r3, r3, r4, push #16
+                mov     r4, r4, pull #16
+                orr     r4, r4, r5, push #16
+                mov     r5, r5, pull #16
+                orr     r5, r5, r6, push #16
+                mov     r6, r6, pull #16
+                orr     r6, r6, r7, push #16
+                stmia   r0!, {r3 - r6}
+                bpl     .Lcfu_2cpy8lp
+.Lcfu_2rem8lp:  tst     ip, #8
+                movne   r3, r7, pull #16
+                ldmneia r1!, {r4, r7}                   @ Shouldnt fault
+                orrne   r3, r3, r4, push #16
+                movne   r4, r4, pull #16
+                orrne   r4, r4, r7, push #16
+                stmneia r0!, {r3 - r4}
+                tst     ip, #4
+                movne   r3, r7, pull #16
+USER(   TUSER(  ldrne) r7, [r1], #4)                    @ May fault
+                orrne   r3, r3, r7, push #16
+                strne   r3, [r0], #4
+                ands    ip, ip, #3
+                beq     .Lcfu_2fupi
+.Lcfu_2nowords: mov     r3, r7, get_byte_2
+                teq     ip, #0
+                beq     .Lcfu_finished
+                cmp     ip, #2
+                strb    r3, [r0], #1
+                movge   r3, r7, get_byte_3
+                strgeb  r3, [r0], #1
+USER(   TUSER(  ldrgtb) r3, [r1], #0)                   @ May fault
+                strgtb  r3, [r0], #1
+                b       .Lcfu_finished
+.Lcfu_3fupi:    subs    r2, r2, #4
+                addmi   ip, r2, #4
+                bmi     .Lcfu_3nowords
+                mov     r3, r7, pull #24
+USER(   TUSER(  ldr)    r7, [r1], #4)                   @ May fault
+                orr     r3, r3, r7, push #8
+                str     r3, [r0], #4
+                mov     ip, r1, lsl #32 - PAGE_SHIFT
+                rsb     ip, ip, #0
+                movs    ip, ip, lsr #32 - PAGE_SHIFT
+                beq     .Lcfu_3fupi
+                cmp     r2, ip
+                movlt   ip, r2
+                sub     r2, r2, ip
+                subs    ip, ip, #16
+                blt     .Lcfu_3rem8lp
+.Lcfu_3cpy8lp:  mov     r3, r7, pull #24
+                ldmia   r1!, {r4 - r7}                  @ Shouldnt fault
+                orr     r3, r3, r4, push #8
+                mov     r4, r4, pull #24
+                orr     r4, r4, r5, push #8
+                mov     r5, r5, pull #24
+                orr     r5, r5, r6, push #8
+                mov     r6, r6, pull #24
+                orr     r6, r6, r7, push #8
+                stmia   r0!, {r3 - r6}
+                subs    ip, ip, #16
+                bpl     .Lcfu_3cpy8lp
+.Lcfu_3rem8lp:  tst     ip, #8
+                movne   r3, r7, pull #24
+                ldmneia r1!, {r4, r7}                   @ Shouldnt fault
+                orrne   r3, r3, r4, push #8
+                movne   r4, r4, pull #24
+                orrne   r4, r4, r7, push #8
+                stmneia r0!, {r3 - r4}
+                tst     ip, #4
+                movne   r3, r7, pull #24
+USER(   TUSER(  ldrne) r7, [r1], #4)                    @ May fault
+                orrne   r3, r3, r7, push #8
+                strne   r3, [r0], #4
+                ands    ip, ip, #3
+                beq     .Lcfu_3fupi
+.Lcfu_3nowords: mov     r3, r7, get_byte_3
+                teq     ip, #0
+                beq     .Lcfu_finished
+                cmp     ip, #2
+                strb    r3, [r0], #1
+USER(   TUSER(  ldrgeb) r3, [r1], #1)                   @ May fault
+                strgeb  r3, [r0], #1
+USER(   TUSER(  ldrgtb) r3, [r1], #1)                   @ May fault
+                strgtb  r3, [r0], #1
+                b       .Lcfu_finished
+ENDPROC(__copy_from_user)
+                .pushsection .fixup,"ax"
+                .align  0
+                /*
+                 * We took an exception.  r0 contains a pointer to
+                 * the byte not copied.
+                 */
+9001:           ldr     r2, [sp], #4                    @ void *to
+                sub     r2, r0, r2                      @ bytes copied
+                ldr     r1, [sp], #4                    @ unsigned long count
+                subs    r4, r1, r2                      @ bytes left to copy
+                movne   r1, r4
+                blne    __memzero
+                mov     r0, r4
+                ldmfd   sp!, {r4 - r7, pc}
+                .popsection
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index 104ca40d8d18..aaa443b48c91 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -197,7 +197,7 @@ void __init at91rm9200_timer_init(void)
        at91_st_read(AT91_ST_SR);
        /* Make IRQs happen for the system timer */
-        setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq);
+        setup_irq(NR_IRQS_LEGACY + AT91_ID_SYS, &at91rm9200_timer_irq);
        /* The 32KiHz "Slow Clock" (tick every 30517.58 nanoseconds) is used
         * directly for the clocksource and all clockevents, after adjusting
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index 7b9c2ba396ed..bce572a530ef 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -726,6 +726,8 @@ static struct resource rtt_resources[] = {
                .flags  = IORESOURCE_MEM,
        }, {
                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ,
        },
 };
@@ -744,10 +746,12 @@ static void __init at91_add_device_rtt_rtc(void)
         * The second resource is needed:
         * GPBR will serve as the storage for RTC time offset
         */
-        at91sam9260_rtt_device.num_resources = 2;
+        at91sam9260_rtt_device.num_resources = 3;
        rtt_resources[1].start = AT91SAM9260_BASE_GPBR +
                                 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
        rtt_resources[1].end = rtt_resources[1].start + 3;
+        rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+        rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
 }
 #else
 static void __init at91_add_device_rtt_rtc(void)
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 8df5c1bdff92..bc2590d712d0 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -609,6 +609,8 @@ static struct resource rtt_resources[] = {
                .flags  = IORESOURCE_MEM,
        }, {
                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ,
        }
 };
@@ -626,10 +628,12 @@ static void __init at91_add_device_rtt_rtc(void)
         * The second resource is needed:
         * GPBR will serve as the storage for RTC time offset
         */
-        at91sam9261_rtt_device.num_resources = 2;
+        at91sam9261_rtt_device.num_resources = 3;
        rtt_resources[1].start = AT91SAM9261_BASE_GPBR +
                                 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
        rtt_resources[1].end = rtt_resources[1].start + 3;
+        rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+        rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
 }
 #else
 static void __init at91_add_device_rtt_rtc(void)
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index eb6bbf86fb9f..9b6ca734f1a9 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -990,6 +990,8 @@ static struct resource rtt0_resources[] = {
                .flags  = IORESOURCE_MEM,
        }, {
                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ,
        }
 };
@@ -1006,6 +1008,8 @@ static struct resource rtt1_resources[] = {
                .flags  = IORESOURCE_MEM,
        }, {
                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ,
        }
 };
@@ -1027,14 +1031,14 @@ static void __init at91_add_device_rtt_rtc(void)
                 * The second resource is needed only for the chosen RTT:
                 * GPBR will serve as the storage for RTC time offset
                 */
-                at91sam9263_rtt0_device.num_resources = 2;
+                at91sam9263_rtt0_device.num_resources = 3;
                at91sam9263_rtt1_device.num_resources = 1;
                pdev = &at91sam9263_rtt0_device;
                r = rtt0_resources;
                break;
        case 1:
                at91sam9263_rtt0_device.num_resources = 1;
-                at91sam9263_rtt1_device.num_resources = 2;
+                at91sam9263_rtt1_device.num_resources = 3;
                pdev = &at91sam9263_rtt1_device;
                r = rtt1_resources;
                break;
@@ -1047,6 +1051,8 @@ static void __init at91_add_device_rtt_rtc(void)
        pdev->name = "rtc-at91sam9";
        r[1].start = AT91SAM9263_BASE_GPBR + 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
        r[1].end = r[1].start + 3;
+        r[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+        r[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
 }
 #else
 static void __init at91_add_device_rtt_rtc(void)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 06073996a382..1b47319ca00b 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1293,6 +1293,8 @@ static struct resource rtt_resources[] = {
                .flags  = IORESOURCE_MEM,
        }, {
                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ,
        }
 };
@@ -1310,10 +1312,12 @@ static void __init at91_add_device_rtt_rtc(void)
         * The second resource is needed:
         * GPBR will serve as the storage for RTC time offset
         */
-        at91sam9g45_rtt_device.num_resources = 2;
+        at91sam9g45_rtt_device.num_resources = 3;
        rtt_resources[1].start = AT91SAM9G45_BASE_GPBR +
                                 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
        rtt_resources[1].end = rtt_resources[1].start + 3;
+        rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+        rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
 }
 #else
 static void __init at91_add_device_rtt_rtc(void)
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index f09fff932172..b3d365dadef5 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -688,6 +688,8 @@ static struct resource rtt_resources[] = {
                .flags  = IORESOURCE_MEM,
        }, {
                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ,
        }
 };
@@ -705,10 +707,12 @@ static void __init at91_add_device_rtt_rtc(void)
         * The second resource is needed:
         * GPBR will serve as the storage for RTC time offset
         */
-        at91sam9rl_rtt_device.num_resources = 2;
+        at91sam9rl_rtt_device.num_resources = 3;
        rtt_resources[1].start = AT91SAM9RL_BASE_GPBR +
                                 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
        rtt_resources[1].end = rtt_resources[1].start + 3;
+        rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS;
+        rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS;
 }
 #else
 static void __init at91_add_device_rtt_rtc(void)
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index de2ec6b8fea7..188c82971ebd 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -63,6 +63,12 @@ EXPORT_SYMBOL_GPL(at91_pmc_base);
 #define cpu_has_300M_plla()     (cpu_is_at91sam9g10())
+#define cpu_has_240M_plla()     (cpu_is_at91sam9261() \
+                                || cpu_is_at91sam9263() \
+                                || cpu_is_at91sam9rl())
+#define cpu_has_210M_plla()     (cpu_is_at91sam9260())
 #define cpu_has_pllb()          (!(cpu_is_at91sam9rl() \
                                || cpu_is_at91sam9g45() \
                                || cpu_is_at91sam9x5() \
@@ -706,6 +712,12 @@ static int __init at91_pmc_init(unsigned long main_clock)
        } else if (cpu_has_800M_plla()) {
                if (plla.rate_hz > 800000000)
                        pll_overclock = true;
+        } else if (cpu_has_240M_plla()) {
+                if (plla.rate_hz > 240000000)
+                        pll_overclock = true;
+        } else if (cpu_has_210M_plla()) {
+                if (plla.rate_hz > 210000000)
+                        pll_overclock = true;
        } else {
                if (plla.rate_hz > 209000000)
                        pll_overclock = true;
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index 4db5de54b6a7..6321567d8eaa 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -102,7 +102,8 @@ void __init dove_ehci1_init(void)
 void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 {
        orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE,
-                        IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR);
+                        IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR,
+                        1600);
 }
 /*****************************************************************************
diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c
index 5ca80307d6d7..4e574c24581c 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c
@@ -42,6 +42,7 @@
 #include <plat/backlight.h>
 #include <plat/fb.h>
 #include <plat/mfc.h>
+#include <plat/hdmi.h>
 #include <mach/ohci.h>
 #include <mach/map.h>
@@ -734,6 +735,11 @@ static void __init origen_bt_setup(void)
        s3c_gpio_setpull(EXYNOS4_GPX2(2), S3C_GPIO_PULL_NONE);
 }
+/* I2C module and id for HDMIPHY */
+static struct i2c_board_info hdmiphy_info = {
+        I2C_BOARD_INFO("hdmiphy-exynos4210", 0x38),
+};
 static void s5p_tv_setup(void)
 {
        /* Direct HPD to HDMI chip */
@@ -781,6 +787,7 @@ static void __init origen_machine_init(void)
        s5p_tv_setup();
        s5p_i2c_hdmiphy_set_platdata(NULL);
+        s5p_hdmi_set_platdata(&hdmiphy_info, NULL, 0);
 #ifdef CONFIG_DRM_EXYNOS
        s5p_device_fimd0.dev.platform_data = &drm_fimd_pdata;
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index 3cfa688d274a..73f2bce097e1 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -40,6 +40,7 @@
 #include <plat/mfc.h>
 #include <plat/ehci.h>
 #include <plat/clock.h>
+#include <plat/hdmi.h>
 #include <mach/map.h>
 #include <mach/ohci.h>
@@ -354,6 +355,11 @@ static struct platform_pwm_backlight_data smdkv310_bl_data = {
        .pwm_period_ns  = 1000,
 };
+/* I2C module and id for HDMIPHY */
+static struct i2c_board_info hdmiphy_info = {
+        I2C_BOARD_INFO("hdmiphy-exynos4210", 0x38),
+};
 static void s5p_tv_setup(void)
 {
        /* direct HPD to HDMI chip */
@@ -388,6 +394,7 @@ static void __init smdkv310_machine_init(void)
        s5p_tv_setup();
        s5p_i2c_hdmiphy_set_platdata(NULL);
+        s5p_hdmi_set_platdata(&hdmiphy_info, NULL, 0);
        samsung_keypad_set_platdata(&smdkv310_keypad_data);
diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c
index ca70e5fcc7ac..020852d3bdd8 100644
--- a/arch/arm/mach-gemini/irq.c
+++ b/arch/arm/mach-gemini/irq.c
@@ -17,6 +17,7 @@
 #include <linux/sched.h>
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
+#include <asm/system_misc.h>
 #include <mach/hardware.h>
 #define IRQ_SOURCE(base_addr)   (base_addr + 0x00)
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 07f7c226e4cf..d004d37ad9d8 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -9,7 +9,8 @@ obj-$(CONFIG_SOC_IMX27) += clk-imx27.o mm-imx27.o ehci-imx27.o
 obj-$(CONFIG_SOC_IMX31) += mm-imx3.o cpu-imx31.o clk-imx31.o iomux-imx31.o ehci-imx31.o pm-imx3.o
 obj-$(CONFIG_SOC_IMX35) += mm-imx3.o cpu-imx35.o clk-imx35.o ehci-imx35.o pm-imx3.o
-obj-$(CONFIG_SOC_IMX5) += cpu-imx5.o mm-imx5.o clk-imx51-imx53.o ehci-imx5.o pm-imx5.o cpu_op-mx51.o
+imx5-pm-$(CONFIG_PM) += pm-imx5.o
+obj-$(CONFIG_SOC_IMX5) += cpu-imx5.o mm-imx5.o clk-imx51-imx53.o ehci-imx5.o $(imx5-pm-y) cpu_op-mx51.o
 obj-$(CONFIG_COMMON_CLK) += clk-pllv1.o clk-pllv2.o clk-pllv3.o clk-gate2.o \
                            clk-pfd.o clk-busy.o
@@ -70,14 +71,13 @@ obj-$(CONFIG_DEBUG_LL) += lluart.o
 obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
 obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o
 obj-$(CONFIG_HAVE_IMX_SRC) += src.o
-obj-$(CONFIG_CPU_V7) += head-v7.o
+AFLAGS_headsmp.o :=-Wa,-march=armv7-a
-AFLAGS_head-v7.o :=-Wa,-march=armv7-a
+obj-$(CONFIG_SMP) += headsmp.o platsmp.o
-obj-$(CONFIG_SMP) += platsmp.o
 obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
 obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o
 ifeq ($(CONFIG_PM),y)
-obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o
+obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o
 endif
 # i.MX5 based machines
diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c
index fdd8cc87c9fe..4431a62fff5b 100644
--- a/arch/arm/mach-imx/clk-imx25.c
+++ b/arch/arm/mach-imx/clk-imx25.c
@@ -222,10 +222,8 @@ int __init mx25_clocks_init(void)
        clk_register_clkdev(clk[lcdc_ipg], "ipg", "imx-fb.0");
        clk_register_clkdev(clk[lcdc_ahb], "ahb", "imx-fb.0");
        clk_register_clkdev(clk[wdt_ipg], NULL, "imx2-wdt.0");
-        clk_register_clkdev(clk[ssi1_ipg_per], "per", "imx-ssi.0");
+        clk_register_clkdev(clk[ssi1_ipg], NULL, "imx-ssi.0");
-        clk_register_clkdev(clk[ssi1_ipg], "ipg", "imx-ssi.0");
+        clk_register_clkdev(clk[ssi2_ipg], NULL, "imx-ssi.1");
-        clk_register_clkdev(clk[ssi2_ipg_per], "per", "imx-ssi.1");
-        clk_register_clkdev(clk[ssi2_ipg], "ipg", "imx-ssi.1");
        clk_register_clkdev(clk[esdhc1_ipg_per], "per", "sdhci-esdhc-imx25.0");
        clk_register_clkdev(clk[esdhc1_ipg], "ipg", "sdhci-esdhc-imx25.0");
        clk_register_clkdev(clk[esdhc1_ahb], "ahb", "sdhci-esdhc-imx25.0");
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index c6422fb10bae..65fb8bcd86cb 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -230,10 +230,8 @@ int __init mx35_clocks_init()
        clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb");
        clk_register_clkdev(clk[owire_gate], NULL, "mxc_w1");
        clk_register_clkdev(clk[sdma_gate], NULL, "imx35-sdma");
-        clk_register_clkdev(clk[ipg], "ipg", "imx-ssi.0");
+        clk_register_clkdev(clk[ssi1_gate], NULL, "imx-ssi.0");
-        clk_register_clkdev(clk[ssi1_div_post], "per", "imx-ssi.0");
+        clk_register_clkdev(clk[ssi2_gate], NULL, "imx-ssi.1");
-        clk_register_clkdev(clk[ipg], "ipg", "imx-ssi.1");
-        clk_register_clkdev(clk[ssi2_div_post], "per", "imx-ssi.1");
        /* i.mx35 has the i.mx21 type uart */
        clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0");
        clk_register_clkdev(clk[ipg], "ipg", "imx21-uart.0");
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index ea89520b6e22..4233d9e3531d 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -152,7 +152,7 @@ enum mx6q_clks {
        ssi2, ssi3, uart_ipg, uart_serial, usboh3, usdhc1, usdhc2, usdhc3,
        usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg,
        pll4_audio, pll5_video, pll6_mlb, pll7_usb_host, pll8_enet, ssi1_ipg,
-        ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2,
+        ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
        clk_max
 };
@@ -288,8 +288,10 @@ int __init mx6q_clocks_init(void)
        clk[gpu3d_shader]     = imx_clk_divider("gpu3d_shader",     "gpu3d_shader_sel",  base + 0x18, 29, 3);
        clk[ipu1_podf]        = imx_clk_divider("ipu1_podf",        "ipu1_sel",          base + 0x3c, 11, 3);
        clk[ipu2_podf]        = imx_clk_divider("ipu2_podf",        "ipu2_sel",          base + 0x3c, 16, 3);
-        clk[ldb_di0_podf]     = imx_clk_divider("ldb_di0_podf",     "ldb_di0_sel",       base + 0x20, 10, 1);
+        clk[ldb_di0_div_3_5]  = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
-        clk[ldb_di1_podf]     = imx_clk_divider("ldb_di1_podf",     "ldb_di1_sel",       base + 0x20, 11, 1);
+        clk[ldb_di0_podf]     = imx_clk_divider("ldb_di0_podf",     "ldb_di0_div_3_5",       base + 0x20, 10, 1);
+        clk[ldb_di1_div_3_5]  = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
+        clk[ldb_di1_podf]     = imx_clk_divider("ldb_di1_podf",     "ldb_di1_div_3_5",   base + 0x20, 11, 1);
        clk[ipu1_di0_pre]     = imx_clk_divider("ipu1_di0_pre",     "ipu1_di0_pre_sel",  base + 0x34, 3,  3);
        clk[ipu1_di1_pre]     = imx_clk_divider("ipu1_di1_pre",     "ipu1_di1_pre_sel",  base + 0x34, 12, 3);
        clk[ipu2_di0_pre]     = imx_clk_divider("ipu2_di0_pre",     "ipu2_di0_pre_sel",  base + 0x38, 3,  3);
diff --git a/arch/arm/mach-imx/head-v7.S b/arch/arm/mach-imx/headsmp.S
index 7e49deb128a4..7e49deb128a4 100644
--- a/arch/arm/mach-imx/head-v7.S
+++ b/arch/arm/mach-imx/headsmp.S
diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c
index 20ed2d56c1af..f8f7437c83b8 100644
--- a/arch/arm/mach-imx/hotplug.c
+++ b/arch/arm/mach-imx/hotplug.c
@@ -42,22 +42,6 @@ static inline void cpu_enter_lowpower(void)
          : "cc");
 }
-static inline void cpu_leave_lowpower(void)
-{
-        unsigned int v;
-        asm volatile(
-                "mrc    p15, 0, %0, c1, c0, 0\n"
-        "       orr     %0, %0, %1\n"
-        "       mcr     p15, 0, %0, c1, c0, 0\n"
-        "       mrc     p15, 0, %0, c1, c0, 1\n"
-        "       orr     %0, %0, %2\n"
-        "       mcr     p15, 0, %0, c1, c0, 1\n"
-          : "=&r" (v)
-          : "Ir" (CR_C), "Ir" (0x40)
-          : "cc");
-}
 /*
 * platform-specific code to shutdown a CPU
 *
@@ -67,11 +51,10 @@ void platform_cpu_die(unsigned int cpu)
 {
        cpu_enter_lowpower();
        imx_enable_cpu(cpu, false);
-        cpu_do_idle();
-        cpu_leave_lowpower();
-        /* We should never return from idle */
+        /* spin here until hardware takes it down */
-        panic("cpu %d unexpectedly exit from shutdown\n", cpu);
+        while (1)
+                ;
 }
 int platform_cpu_disable(unsigned int cpu)
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 5ec0608f2a76..045b3f6a387d 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -71,7 +71,7 @@ soft:
 /* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */
 static int ksz9021rn_phy_fixup(struct phy_device *phydev)
 {
-        if (IS_ENABLED(CONFIG_PHYLIB)) {
+        if (IS_BUILTIN(CONFIG_PHYLIB)) {
                /* min rx data delay */
                phy_write(phydev, 0x0b, 0x8105);
                phy_write(phydev, 0x0c, 0x0000);
@@ -112,7 +112,7 @@ put_clk:
 static void __init imx6q_sabrelite_init(void)
 {
-        if (IS_ENABLED(CONFIG_PHYLIB))
+        if (IS_BUILTIN(CONFIG_PHYLIB))
                phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
                                ksz9021rn_phy_fixup);
        imx6q_sabrelite_cko1_setup();
diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot
index a5717558ee89..a13299d758e1 100644
--- a/arch/arm/mach-kirkwood/Makefile.boot
+++ b/arch/arm/mach-kirkwood/Makefile.boot
@@ -7,7 +7,8 @@ dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns320.dtb
 dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns325.dtb
 dtb-$(CONFIG_MACH_ICONNECT_DT) += kirkwood-iconnect.dtb
 dtb-$(CONFIG_MACH_IB62X0_DT) += kirkwood-ib62x0.dtb
-dtb-$(CONFIG_MACH_TS219_DT)     += kirkwood-qnap-ts219.dtb
+dtb-$(CONFIG_MACH_TS219_DT)     += kirkwood-ts219-6281.dtb
+dtb-$(CONFIG_MACH_TS219_DT)     += kirkwood-ts219-6282.dtb
 dtb-$(CONFIG_MACH_GOFLEXNET_DT) += kirkwood-goflexnet.dtb
 dtb-$(CONFIG_MACH_LSXL_DT) += kirkwood-lschlv2.dtb
 dtb-$(CONFIG_MACH_LSXL_DT) += kirkwood-lsxhl.dtb
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index c4b64adcbfce..1201191d7f1b 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -301,7 +301,7 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 {
        orion_ge00_init(eth_data,
                        GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM,
-                        IRQ_KIRKWOOD_GE00_ERR);
+                        IRQ_KIRKWOOD_GE00_ERR, 1600);
        /* The interface forgets the MAC address assigned by u-boot if
        the clock is turned off, so claim the clk now. */
        clk_prepare_enable(ge0);
@@ -315,7 +315,7 @@ void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 {
        orion_ge01_init(eth_data,
                        GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM,
-                        IRQ_KIRKWOOD_GE01_ERR);
+                        IRQ_KIRKWOOD_GE01_ERR, 1600);
        clk_prepare_enable(ge1);
 }
@@ -517,6 +517,13 @@ void __init kirkwood_wdt_init(void)
 void __init kirkwood_init_early(void)
 {
        orion_time_set_base(TIMER_VIRT_BASE);
+        /*
+         * Some Kirkwood devices allocate their coherent buffers from atomic
+         * context. Increase size of atomic coherent pool to make sure such
+         * the allocations won't fail.
+         */
+        init_dma_coherent_pool_size(SZ_1M);
 }
 int kirkwood_tclk;
diff --git a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
index d93359379598..be90b7d0e10b 100644
--- a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
+++ b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
@@ -10,6 +10,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/sizes.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/partitions.h>
 #include <linux/ata_platform.h>
diff --git a/arch/arm/mach-mmp/sram.c b/arch/arm/mach-mmp/sram.c
index 4304f9519372..7e8a5a2e1ec7 100644
--- a/arch/arm/mach-mmp/sram.c
+++ b/arch/arm/mach-mmp/sram.c
@@ -68,7 +68,7 @@ static int __devinit sram_probe(struct platform_device *pdev)
        struct resource *res;
        int ret = 0;
-        if (!pdata && !pdata->pool_name)
+        if (!pdata || !pdata->pool_name)
                return -ENODEV;
        info = kzalloc(sizeof(*info), GFP_KERNEL);
diff --git a/arch/arm/mach-mv78xx0/addr-map.c b/arch/arm/mach-mv78xx0/addr-map.c
index 62b53d710efd..a9bc84180d21 100644
--- a/arch/arm/mach-mv78xx0/addr-map.c
+++ b/arch/arm/mach-mv78xx0/addr-map.c
@@ -37,7 +37,7 @@
 #define WIN0_OFF(n)             (BRIDGE_VIRT_BASE + 0x0000 + ((n) << 4))
 #define WIN8_OFF(n)             (BRIDGE_VIRT_BASE + 0x0900 + (((n) - 8) << 4))
-static void __init __iomem *win_cfg_base(int win)
+static void __init __iomem *win_cfg_base(const struct orion_addr_map_cfg *cfg, int win)
 {
        /*
         * Find the control register base address for this window.
diff --git a/arch/arm/mach-mv78xx0/common.c b/arch/arm/mach-mv78xx0/common.c
index b4c53b846c9c..3057f7d4329a 100644
--- a/arch/arm/mach-mv78xx0/common.c
+++ b/arch/arm/mach-mv78xx0/common.c
@@ -213,7 +213,8 @@ void __init mv78xx0_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 {
        orion_ge00_init(eth_data,
                        GE00_PHYS_BASE, IRQ_MV78XX0_GE00_SUM,
-                        IRQ_MV78XX0_GE_ERR);
+                        IRQ_MV78XX0_GE_ERR,
+                        MV643XX_TX_CSUM_DEFAULT_LIMIT);
 }
@@ -224,7 +225,8 @@ void __init mv78xx0_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 {
        orion_ge01_init(eth_data,
                        GE01_PHYS_BASE, IRQ_MV78XX0_GE01_SUM,
-                        NO_IRQ);
+                        NO_IRQ,
+                        MV643XX_TX_CSUM_DEFAULT_LIMIT);
 }
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index dd2db025f778..346fd26f3aa6 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -62,13 +62,14 @@ config ARCH_OMAP4
        select PM_OPP if PM
        select USB_ARCH_HAS_EHCI if USB_SUPPORT
        select ARM_CPU_SUSPEND if PM
-        select ARCH_NEEDS_CPU_IDLE_COUPLED
+        select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
 config SOC_OMAP5
        bool "TI OMAP5"
        select CPU_V7
        select ARM_GIC
        select HAVE_SMP
+        select ARM_CPU_SUSPEND if PM
 comment "OMAP Core Type"
        depends on ARCH_OMAP2
@@ -231,10 +232,11 @@ config MACH_OMAP3_PANDORA
        select OMAP_PACKAGE_CBB
        select REGULATOR_FIXED_VOLTAGE if REGULATOR
-config MACH_OMAP3_TOUCHBOOK
+config MACH_TOUCHBOOK
        bool "OMAP3 Touch Book"
        depends on ARCH_OMAP3
        default y
+        select OMAP_PACKAGE_CBB
 config MACH_OMAP_3430SDP
        bool "OMAP 3430 SDP board"
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index f6a24b3f9c4f..34c2c7f59f0a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -255,7 +255,7 @@ obj-$(CONFIG_MACH_OMAP_3630SDP)		+= board-zoom-display.o
 obj-$(CONFIG_MACH_CM_T35)               += board-cm-t35.o
 obj-$(CONFIG_MACH_CM_T3517)             += board-cm-t3517.o
 obj-$(CONFIG_MACH_IGEP0020)             += board-igep0020.o
-obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK)      += board-omap3touchbook.o
+obj-$(CONFIG_MACH_TOUCHBOOK)            += board-omap3touchbook.o
 obj-$(CONFIG_MACH_OMAP_4430SDP)         += board-4430sdp.o
 obj-$(CONFIG_MACH_OMAP4_PANDA)          += board-omap4panda.o
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 74915295482e..28214483aaba 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -554,6 +554,8 @@ static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst = {
 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
+        /* SMSC9221 LAN Controller ETH IRQ (GPIO_176) */
+        OMAP3_MUX(MCSPI1_CS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
        { .reg_offset = OMAP_MUX_TERMINATOR },
 };
 #endif
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index ef230a0eb5eb..0d362e9f9cb9 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -58,6 +58,7 @@
 #include "hsmmc.h"
 #include "common-board-devices.h"
+#define OMAP3_EVM_TS_GPIO       175
 #define OMAP3_EVM_EHCI_VBUS     22
 #define OMAP3_EVM_EHCI_SELECT   61
diff --git a/arch/arm/mach-omap2/clock33xx_data.c b/arch/arm/mach-omap2/clock33xx_data.c
index 25bbcc7ca4dc..ae27de8899a6 100644
--- a/arch/arm/mach-omap2/clock33xx_data.c
+++ b/arch/arm/mach-omap2/clock33xx_data.c
@@ -1036,13 +1036,13 @@ static struct omap_clk am33xx_clks[] = {
        CLK(NULL,       "mmu_fck",              &mmu_fck,       CK_AM33XX),
        CLK(NULL,       "smartreflex0_fck",     &smartreflex0_fck,      CK_AM33XX),
        CLK(NULL,       "smartreflex1_fck",     &smartreflex1_fck,      CK_AM33XX),
-        CLK(NULL,       "gpt1_fck",             &timer1_fck,    CK_AM33XX),
+        CLK(NULL,       "timer1_fck",           &timer1_fck,    CK_AM33XX),
-        CLK(NULL,       "gpt2_fck",             &timer2_fck,    CK_AM33XX),
+        CLK(NULL,       "timer2_fck",           &timer2_fck,    CK_AM33XX),
-        CLK(NULL,       "gpt3_fck",             &timer3_fck,    CK_AM33XX),
+        CLK(NULL,       "timer3_fck",           &timer3_fck,    CK_AM33XX),
-        CLK(NULL,       "gpt4_fck",             &timer4_fck,    CK_AM33XX),
+        CLK(NULL,       "timer4_fck",           &timer4_fck,    CK_AM33XX),
-        CLK(NULL,       "gpt5_fck",             &timer5_fck,    CK_AM33XX),
+        CLK(NULL,       "timer5_fck",           &timer5_fck,    CK_AM33XX),
-        CLK(NULL,       "gpt6_fck",             &timer6_fck,    CK_AM33XX),
+        CLK(NULL,       "timer6_fck",           &timer6_fck,    CK_AM33XX),
-        CLK(NULL,       "gpt7_fck",             &timer7_fck,    CK_AM33XX),
+        CLK(NULL,       "timer7_fck",           &timer7_fck,    CK_AM33XX),
        CLK(NULL,       "usbotg_fck",           &usbotg_fck,    CK_AM33XX),
        CLK(NULL,       "ieee5000_fck",         &ieee5000_fck,  CK_AM33XX),
        CLK(NULL,       "wdt1_fck",             &wdt1_fck,      CK_AM33XX),
diff --git a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
index a0d68dbecfa3..f99e65cfb862 100644
--- a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c
@@ -241,6 +241,52 @@ static void omap3_clkdm_deny_idle(struct clockdomain *clkdm)
                _clkdm_del_autodeps(clkdm);
 }
+static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm)
+{
+        bool hwsup = false;
+        if (!clkdm->clktrctrl_mask)
+                return 0;
+        hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
+                                clkdm->clktrctrl_mask);
+        if (hwsup) {
+                /* Disable HW transitions when we are changing deps */
+                _disable_hwsup(clkdm);
+                _clkdm_add_autodeps(clkdm);
+                _enable_hwsup(clkdm);
+        } else {
+                if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP)
+                        omap3_clkdm_wakeup(clkdm);
+        }
+        return 0;
+}
+static int omap3xxx_clkdm_clk_disable(struct clockdomain *clkdm)
+{
+        bool hwsup = false;
+        if (!clkdm->clktrctrl_mask)
+                return 0;
+        hwsup = omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs,
+                                clkdm->clktrctrl_mask);
+        if (hwsup) {
+                /* Disable HW transitions when we are changing deps */
+                _disable_hwsup(clkdm);
+                _clkdm_del_autodeps(clkdm);
+                _enable_hwsup(clkdm);
+        } else {
+                if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP)
+                        omap3_clkdm_sleep(clkdm);
+        }
+        return 0;
+}
 struct clkdm_ops omap2_clkdm_operations = {
        .clkdm_add_wkdep        = omap2_clkdm_add_wkdep,
        .clkdm_del_wkdep        = omap2_clkdm_del_wkdep,
@@ -267,6 +313,6 @@ struct clkdm_ops omap3_clkdm_operations = {
        .clkdm_wakeup           = omap3_clkdm_wakeup,
        .clkdm_allow_idle       = omap3_clkdm_allow_idle,
        .clkdm_deny_idle        = omap3_clkdm_deny_idle,
-        .clkdm_clk_enable       = omap2_clkdm_clk_enable,
+        .clkdm_clk_enable       = omap3xxx_clkdm_clk_enable,
-        .clkdm_clk_disable      = omap2_clkdm_clk_disable,
+        .clkdm_clk_disable      = omap3xxx_clkdm_clk_disable,
 };
diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h
index 766338fe4d34..975f6bda0e0b 100644
--- a/arch/arm/mach-omap2/cm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/cm-regbits-34xx.h
@@ -67,6 +67,7 @@
 #define OMAP3430_EN_IVA2_DPLL_MASK                      (0x7 << 0)
 /* CM_IDLEST_IVA2 */
+#define OMAP3430_ST_IVA2_SHIFT                          0
 #define OMAP3430_ST_IVA2_MASK                           (1 << 0)
 /* CM_IDLEST_PLL_IVA2 */
diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
index 14734746457c..c1875862679f 100644
--- a/arch/arm/mach-omap2/common-board-devices.c
+++ b/arch/arm/mach-omap2/common-board-devices.c
@@ -35,16 +35,6 @@ static struct omap2_mcspi_device_config ads7846_mcspi_config = {
        .turbo_mode     = 0,
 };
-/*
- * ADS7846 driver maybe request a gpio according to the value
- * of pdata->get_pendown_state, but we have done this. So set
- * get_pendown_state to avoid twice gpio requesting.
- */
-static int omap3_get_pendown_state(void)
-{
-        return !gpio_get_value(OMAP3_EVM_TS_GPIO);
-}
 static struct ads7846_platform_data ads7846_config = {
        .x_max                  = 0x0fff,
        .y_max                  = 0x0fff,
@@ -55,7 +45,6 @@ static struct ads7846_platform_data ads7846_config = {
        .debounce_rep           = 1,
        .gpio_pendown           = -EINVAL,
        .keep_vref_on           = 1,
-        .get_pendown_state      = &omap3_get_pendown_state,
 };
 static struct spi_board_info ads7846_spi_board_info __initdata = {
diff --git a/arch/arm/mach-omap2/common-board-devices.h b/arch/arm/mach-omap2/common-board-devices.h
index 4c4ef6a6166b..a0b4a42836ab 100644
--- a/arch/arm/mach-omap2/common-board-devices.h
+++ b/arch/arm/mach-omap2/common-board-devices.h
@@ -4,7 +4,6 @@
 #include "twl-common.h"
 #define NAND_BLOCK_SIZE SZ_128K
-#define OMAP3_EVM_TS_GPIO       175
 struct mtd_partition;
 struct ads7846_platform_data;
diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index ee05e193fc61..288bee6cbb76 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -238,8 +238,9 @@ int __init omap4_idle_init(void)
        for_each_cpu(cpu_id, cpu_online_mask) {
                dev = &per_cpu(omap4_idle_dev, cpu_id);
                dev->cpu = cpu_id;
+#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED
                dev->coupled_cpus = *cpu_online_mask;
+#endif
                cpuidle_register_driver(&omap4_idle_driver);
                if (cpuidle_register_device(dev)) {
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index 471e62a74a16..76f9b3c2f586 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -127,7 +127,6 @@ struct omap_mux_partition {
 * @gpio:       GPIO number
 * @muxnames:   available signal modes for a ball
 * @balls:      available balls on the package
- * @partition:  mux partition
 */
 struct omap_mux {
        u16     reg_offset;
diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c
index 05fdebfaa195..330d4c6e746b 100644
--- a/arch/arm/mach-omap2/omap-wakeupgen.c
+++ b/arch/arm/mach-omap2/omap-wakeupgen.c
@@ -46,7 +46,7 @@
 static void __iomem *wakeupgen_base;
 static void __iomem *sar_base;
 static DEFINE_SPINLOCK(wakeupgen_lock);
-static unsigned int irq_target_cpu[NR_IRQS];
+static unsigned int irq_target_cpu[MAX_IRQS];
 static unsigned int irq_banks = MAX_NR_REG_BANKS;
 static unsigned int max_irqs = MAX_IRQS;
 static unsigned int omap_secure_apis;
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 6ca8e519968d..37afbd173c2c 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -1889,6 +1889,7 @@ static int _enable(struct omap_hwmod *oh)
                        _enable_sysc(oh);
                }
        } else {
+                _omap4_disable_module(oh);
                _disable_clocks(oh);
                pr_debug("omap_hwmod: %s: _wait_target_ready: %d\n",
                         oh->name, r);
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index c9e38200216b..ce7e6068768f 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -100,9 +100,9 @@ static struct omap_hwmod omap3xxx_mpu_hwmod = {
 /* IVA2 (IVA2) */
 static struct omap_hwmod_rst_info omap3xxx_iva_resets[] = {
-        { .name = "logic", .rst_shift = 0 },
+        { .name = "logic", .rst_shift = 0, .st_shift = 8 },
-        { .name = "seq0", .rst_shift = 1 },
+        { .name = "seq0", .rst_shift = 1, .st_shift = 9 },
-        { .name = "seq1", .rst_shift = 2 },
+        { .name = "seq1", .rst_shift = 2, .st_shift = 10 },
 };
 static struct omap_hwmod omap3xxx_iva_hwmod = {
@@ -112,6 +112,15 @@ static struct omap_hwmod omap3xxx_iva_hwmod = {
        .rst_lines      = omap3xxx_iva_resets,
        .rst_lines_cnt  = ARRAY_SIZE(omap3xxx_iva_resets),
        .main_clk       = "iva2_ck",
+        .prcm = {
+                .omap2 = {
+                        .module_offs = OMAP3430_IVA2_MOD,
+                        .prcm_reg_id = 1,
+                        .module_bit = OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT,
+                        .idlest_reg_id = 1,
+                        .idlest_idle_bit = OMAP3430_ST_IVA2_SHIFT,
+                }
+        },
 };
 /* timer class */
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 242aee498ceb..afb60917a948 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -4210,7 +4210,7 @@ static struct omap_hwmod_ocp_if omap44xx_dsp__iva = {
 };
 /* dsp -> sl2if */
-static struct omap_hwmod_ocp_if omap44xx_dsp__sl2if = {
+static struct omap_hwmod_ocp_if __maybe_unused omap44xx_dsp__sl2if = {
        .master         = &omap44xx_dsp_hwmod,
        .slave          = &omap44xx_sl2if_hwmod,
        .clk            = "dpll_iva_m5x2_ck",
@@ -4828,7 +4828,7 @@ static struct omap_hwmod_ocp_if omap44xx_l3_main_2__iss = {
 };
 /* iva -> sl2if */
-static struct omap_hwmod_ocp_if omap44xx_iva__sl2if = {
+static struct omap_hwmod_ocp_if __maybe_unused omap44xx_iva__sl2if = {
        .master         = &omap44xx_iva_hwmod,
        .slave          = &omap44xx_sl2if_hwmod,
        .clk            = "dpll_iva_m5x2_ck",
@@ -5362,7 +5362,7 @@ static struct omap_hwmod_ocp_if omap44xx_l4_wkup__scrm = {
 };
 /* l3_main_2 -> sl2if */
-static struct omap_hwmod_ocp_if omap44xx_l3_main_2__sl2if = {
+static struct omap_hwmod_ocp_if __maybe_unused omap44xx_l3_main_2__sl2if = {
        .master         = &omap44xx_l3_main_2_hwmod,
        .slave          = &omap44xx_sl2if_hwmod,
        .clk            = "l3_div_ck",
@@ -6032,7 +6032,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
        &omap44xx_l4_abe__dmic,
        &omap44xx_l4_abe__dmic_dma,
        &omap44xx_dsp__iva,
-        &omap44xx_dsp__sl2if,
+        /* &omap44xx_dsp__sl2if, */
        &omap44xx_l4_cfg__dsp,
        &omap44xx_l3_main_2__dss,
        &omap44xx_l4_per__dss,
@@ -6068,7 +6068,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
        &omap44xx_l4_per__i2c4,
        &omap44xx_l3_main_2__ipu,
        &omap44xx_l3_main_2__iss,
-        &omap44xx_iva__sl2if,
+        /* &omap44xx_iva__sl2if, */
        &omap44xx_l3_main_2__iva,
        &omap44xx_l4_wkup__kbd,
        &omap44xx_l4_cfg__mailbox,
@@ -6099,7 +6099,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = {
        &omap44xx_l4_cfg__cm_core,
        &omap44xx_l4_wkup__prm,
        &omap44xx_l4_wkup__scrm,
-        &omap44xx_l3_main_2__sl2if,
+        /* &omap44xx_l3_main_2__sl2if, */
        &omap44xx_l4_abe__slimbus1,
        &omap44xx_l4_abe__slimbus1_dma,
        &omap44xx_l4_per__slimbus2,
diff --git a/arch/arm/mach-omap2/opp4xxx_data.c b/arch/arm/mach-omap2/opp4xxx_data.c
index 2293ba27101b..c95415da23c2 100644
--- a/arch/arm/mach-omap2/opp4xxx_data.c
+++ b/arch/arm/mach-omap2/opp4xxx_data.c
@@ -94,7 +94,7 @@ int __init omap4_opp_init(void)
 {
        int r = -ENODEV;
-        if (!cpu_is_omap44xx())
+        if (!cpu_is_omap443x())
                return r;
        r = omap_init_opp_table(omap44xx_opp_def_list,
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index e4fc88c65dbd..05bd8f02723f 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -272,21 +272,16 @@ void omap_sram_idle(void)
        per_next_state = pwrdm_read_next_pwrst(per_pwrdm);
        core_next_state = pwrdm_read_next_pwrst(core_pwrdm);
-        if (mpu_next_state < PWRDM_POWER_ON) {
+        pwrdm_pre_transition(NULL);
-                pwrdm_pre_transition(mpu_pwrdm);
-                pwrdm_pre_transition(neon_pwrdm);
-        }
        /* PER */
        if (per_next_state < PWRDM_POWER_ON) {
-                pwrdm_pre_transition(per_pwrdm);
                per_going_off = (per_next_state == PWRDM_POWER_OFF) ? 1 : 0;
                omap2_gpio_prepare_for_idle(per_going_off);
        }
        /* CORE */
        if (core_next_state < PWRDM_POWER_ON) {
-                pwrdm_pre_transition(core_pwrdm);
                if (core_next_state == PWRDM_POWER_OFF) {
                        omap3_core_save_context();
                        omap3_cm_save_context();
@@ -339,20 +334,14 @@ void omap_sram_idle(void)
                        omap2_prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF_MASK,
                                               OMAP3430_GR_MOD,
                                               OMAP3_PRM_VOLTCTRL_OFFSET);
-                pwrdm_post_transition(core_pwrdm);
        }
        omap3_intc_resume_idle();
+        pwrdm_post_transition(NULL);
        /* PER */
-        if (per_next_state < PWRDM_POWER_ON) {
+        if (per_next_state < PWRDM_POWER_ON)
                omap2_gpio_resume_after_idle();
-                pwrdm_post_transition(per_pwrdm);
-        }
-        if (mpu_next_state < PWRDM_POWER_ON) {
-                pwrdm_post_transition(mpu_pwrdm);
-                pwrdm_post_transition(neon_pwrdm);
-        }
 }
 static void omap3_pm_idle(void)
diff --git a/arch/arm/mach-omap2/sleep44xx.S b/arch/arm/mach-omap2/sleep44xx.S
index 9f6b83d1b193..91e71d8f46f0 100644
--- a/arch/arm/mach-omap2/sleep44xx.S
+++ b/arch/arm/mach-omap2/sleep44xx.S
@@ -56,9 +56,13 @@ ppa_por_params:
 * The restore function pointer is stored at CPUx_WAKEUP_NS_PA_ADDR_OFFSET.
 * It returns to the caller for CPU INACTIVE and ON power states or in case
 * CPU failed to transition to targeted OFF/DORMANT state.
+ *
+ * omap4_finish_suspend() calls v7_flush_dcache_all() which doesn't save
+ * stack frame and it expects the caller to take care of it. Hence the entire
+ * stack frame is saved to avoid possible stack corruption.
 */
 ENTRY(omap4_finish_suspend)
-        stmfd   sp!, {lr}
+        stmfd   sp!, {r4-r12, lr}
        cmp     r0, #0x0
        beq     do_WFI                          @ No lowpower state, jump to WFI
@@ -226,7 +230,7 @@ scu_gp_clear:
 skip_scu_gp_clear:
        isb
        dsb
-        ldmfd   sp!, {pc}
+        ldmfd   sp!, {r4-r12, pc}
 ENDPROC(omap4_finish_suspend)
 /*
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 2ff6d41ec6c6..2ba4f57dda86 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -260,6 +260,7 @@ static u32 notrace dmtimer_read_sched_clock(void)
        return 0;
 }
+#ifdef CONFIG_OMAP_32K_TIMER
 /* Setup free-running counter for clocksource */
 static int __init omap2_sync32k_clocksource_init(void)
 {
@@ -299,6 +300,12 @@ static int __init omap2_sync32k_clocksource_init(void)
        return ret;
 }
+#else
+static inline int omap2_sync32k_clocksource_init(void)
+{
+        return -ENODEV;
+}
+#endif
 static void __init omap2_gptimer_clocksource_init(int gptimer_id,
                                                const char *fck_source)
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index de47f170ba50..db5ff6642375 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -67,6 +67,7 @@ void __init omap_pmic_init(int bus, u32 clkrate,
                           const char *pmic_type, int pmic_irq,
                           struct twl4030_platform_data *pmic_data)
 {
+        omap_mux_init_signal("sys_nirq", OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE);
        strncpy(pmic_i2c_board_info.type, pmic_type,
                sizeof(pmic_i2c_board_info.type));
        pmic_i2c_board_info.irq = pmic_irq;
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 9148b229d0de..410291c67666 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -109,7 +109,8 @@ void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
 {
        orion_ge00_init(eth_data,
                        ORION5X_ETH_PHYS_BASE, IRQ_ORION5X_ETH_SUM,
-                        IRQ_ORION5X_ETH_ERR);
+                        IRQ_ORION5X_ETH_ERR,
+                        MV643XX_TX_CSUM_DEFAULT_LIMIT);
 }
diff --git a/arch/arm/mach-s3c24xx/include/mach/dma.h b/arch/arm/mach-s3c24xx/include/mach/dma.h
index 454831b66037..ee99fd56c043 100644
--- a/arch/arm/mach-s3c24xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c24xx/include/mach/dma.h
@@ -24,7 +24,8 @@
 */
 enum dma_ch {
-        DMACH_XD0,
+        DMACH_DT_PROP = -1,     /* not yet supported, do not use */
+        DMACH_XD0 = 0,
        DMACH_XD1,
        DMACH_SDI,
        DMACH_SPI0,
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index cf10f92856dc..453a6e50db8b 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -520,13 +520,14 @@ static struct platform_device hdmi_lcdc_device = {
 };
 /* GPIO KEY */
-#define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
+#define GPIO_KEY(c, g, d, ...) \
+        { .code = c, .gpio = g, .desc = d, .active_low = 1, __VA_ARGS__ }
 static struct gpio_keys_button gpio_buttons[] = {
-        GPIO_KEY(KEY_POWER,     GPIO_PORT99,    "SW1"),
+        GPIO_KEY(KEY_POWER,     GPIO_PORT99,    "SW3", .wakeup = 1),
-        GPIO_KEY(KEY_BACK,      GPIO_PORT100,   "SW2"),
+        GPIO_KEY(KEY_BACK,      GPIO_PORT100,   "SW4"),
-        GPIO_KEY(KEY_MENU,      GPIO_PORT97,    "SW3"),
+        GPIO_KEY(KEY_MENU,      GPIO_PORT97,    "SW5"),
-        GPIO_KEY(KEY_HOME,      GPIO_PORT98,    "SW4"),
+        GPIO_KEY(KEY_HOME,      GPIO_PORT98,    "SW6"),
 };
 static struct gpio_keys_platform_data gpio_key_info = {
@@ -901,8 +902,8 @@ static struct platform_device *eva_devices[] __initdata = {
        &camera_device,
        &ceu0_device,
        &fsi_device,
-        &fsi_hdmi_device,
        &fsi_wm8978_device,
+        &fsi_hdmi_device,
 };
 static void __init eva_clock_init(void)
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 7ea2b31e3199..c129542f6aed 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -695,6 +695,7 @@ static struct platform_device usbhs0_device = {
 *  - J30 "open"
 *  - modify usbhs1_get_id() USBHS_HOST -> USBHS_GADGET
 *  - add .get_vbus = usbhs_get_vbus in usbhs1_private
+ *  - check usbhs0_device(pio)/usbhs1_device(irq) order in mackerel_devices.
 */
 #define IRQ8 evt2irq(0x0300)
 #define USB_PHY_MODE            (1 << 4)
@@ -1325,8 +1326,8 @@ static struct platform_device *mackerel_devices[] __initdata = {
        &nor_flash_device,
        &smc911x_device,
        &lcdc_device,
-        &usbhs1_device,
        &usbhs0_device,
+        &usbhs1_device,
        &leds_device,
        &fsi_device,
        &fsi_ak4643_device,
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c
index 3a528cf4366c..fcf5a47f4772 100644
--- a/arch/arm/mach-shmobile/board-marzen.c
+++ b/arch/arm/mach-shmobile/board-marzen.c
@@ -67,7 +67,7 @@ static struct smsc911x_platform_config smsc911x_platdata = {
 static struct platform_device eth_device = {
        .name           = "smsc911x",
-        .id             = 0,
+        .id             = -1,
        .dev  = {
                .platform_data = &smsc911x_platdata,
        },
diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c
index ee447404c857..588555a67d9c 100644
--- a/arch/arm/mach-shmobile/intc-sh73a0.c
+++ b/arch/arm/mach-shmobile/intc-sh73a0.c
@@ -259,9 +259,9 @@ static int sh73a0_set_wake(struct irq_data *data, unsigned int on)
        return 0; /* always allow wakeup */
 }
-#define RELOC_BASE 0x1000
+#define RELOC_BASE 0x1200
-/* INTCA IRQ pins at INTCS + 0x1000 to make space for GIC+INTC handling */
+/* INTCA IRQ pins at INTCS + RELOC_BASE to make space for GIC+INTC handling */
 #define INTCS_VECT_RELOC(n, vect) INTCS_VECT((n), (vect) + RELOC_BASE)
 INTC_IRQ_PINS_32(intca_irq_pins, 0xe6900000,
diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig
index c013bbf79cac..53d3d46dec12 100644
--- a/arch/arm/mach-ux500/Kconfig
+++ b/arch/arm/mach-ux500/Kconfig
@@ -41,7 +41,6 @@ config MACH_HREFV60
 config MACH_SNOWBALL
        bool "U8500 Snowball platform"
        select MACH_MOP500
-        select LEDS_GPIO
        help
          Include support for the snowball development platform.
diff --git a/arch/arm/mach-ux500/board-mop500-msp.c b/arch/arm/mach-ux500/board-mop500-msp.c
index 996048038743..df15646036aa 100644
--- a/arch/arm/mach-ux500/board-mop500-msp.c
+++ b/arch/arm/mach-ux500/board-mop500-msp.c
@@ -191,9 +191,9 @@ static struct platform_device *db8500_add_msp_i2s(struct device *parent,
        return pdev;
 }
-/* Platform device for ASoC U8500 machine */
+/* Platform device for ASoC MOP500 machine */
-static struct platform_device snd_soc_u8500 = {
+static struct platform_device snd_soc_mop500 = {
-                .name = "snd-soc-u8500",
+                .name = "snd-soc-mop500",
                .id = 0,
                .dev = {
                        .platform_data = NULL,
@@ -227,8 +227,8 @@ int mop500_msp_init(struct device *parent)
 {
        struct platform_device *msp1;
-        pr_info("%s: Register platform-device 'snd-soc-u8500'.\n", __func__);
+        pr_info("%s: Register platform-device 'snd-soc-mop500'.\n", __func__);
-        platform_device_register(&snd_soc_u8500);
+        platform_device_register(&snd_soc_mop500);
        pr_info("Initialize MSP I2S-devices.\n");
        db8500_add_msp_i2s(parent, 0, U8500_MSP0_BASE, IRQ_DB8500_MSP0,
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 8674a890fd1c..a534d8880de1 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -797,6 +797,7 @@ static void __init u8500_init_machine(void)
                                ARRAY_SIZE(mop500_platform_devs));
                mop500_sdi_init(parent);
+                mop500_msp_init(parent);
                i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
                i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
                i2c_register_board_info(2, mop500_i2c2_devices,
@@ -804,6 +805,8 @@ static void __init u8500_init_machine(void)
                mop500_uib_init();
+        } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
+                mop500_msp_init(parent);
        } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) {
                /*
                 * The HREFv60 board removed a GPIO expander and routed
@@ -815,6 +818,7 @@ static void __init u8500_init_machine(void)
                                ARRAY_SIZE(mop500_platform_devs));
                hrefv60_sdi_init(parent);
+                mop500_msp_init(parent);
                i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
                i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 119bc52ab93e..4e07eec1270d 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -63,10 +63,11 @@ static int contextidr_notifier(struct notifier_block *unused, unsigned long cmd,
        pid = task_pid_nr(thread->task) << ASID_BITS;
        asm volatile(
        "       mrc     p15, 0, %0, c13, c0, 1\n"
-        "       bfi     %1, %0, #0, %2\n"
+        "       and     %0, %0, %2\n"
-        "       mcr     p15, 0, %1, c13, c0, 1\n"
+        "       orr     %0, %0, %1\n"
+        "       mcr     p15, 0, %0, c13, c0, 1\n"
        : "=r" (contextidr), "+r" (pid)
-        : "I" (ASID_BITS));
+        : "I" (~ASID_MASK));
        isb();
        return NOTIFY_OK;
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 4e7d1182e8a3..e59c4ab71bcb 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -267,17 +267,19 @@ static void __dma_free_remap(void *cpu_addr, size_t size)
        vunmap(cpu_addr);
 }
+#define DEFAULT_DMA_COHERENT_POOL_SIZE  SZ_256K
 struct dma_pool {
        size_t size;
        spinlock_t lock;
        unsigned long *bitmap;
        unsigned long nr_pages;
        void *vaddr;
-        struct page *page;
+        struct page **pages;
 };
 static struct dma_pool atomic_pool = {
-        .size = SZ_256K,
+        .size = DEFAULT_DMA_COHERENT_POOL_SIZE,
 };
 static int __init early_coherent_pool(char *p)
@@ -287,6 +289,21 @@ static int __init early_coherent_pool(char *p)
 }
 early_param("coherent_pool", early_coherent_pool);
+void __init init_dma_coherent_pool_size(unsigned long size)
+{
+        /*
+         * Catch any attempt to set the pool size too late.
+         */
+        BUG_ON(atomic_pool.vaddr);
+        /*
+         * Set architecture specific coherent pool size only if
+         * it has not been changed by kernel command line parameter.
+         */
+        if (atomic_pool.size == DEFAULT_DMA_COHERENT_POOL_SIZE)
+                atomic_pool.size = size;
+}
 /*
 * Initialise the coherent pool for atomic allocations.
 */
@@ -297,6 +314,7 @@ static int __init atomic_pool_init(void)
        unsigned long nr_pages = pool->size >> PAGE_SHIFT;
        unsigned long *bitmap;
        struct page *page;
+        struct page **pages;
        void *ptr;
        int bitmap_size = BITS_TO_LONGS(nr_pages) * sizeof(long);
@@ -304,21 +322,31 @@ static int __init atomic_pool_init(void)
        if (!bitmap)
                goto no_bitmap;
+        pages = kzalloc(nr_pages * sizeof(struct page *), GFP_KERNEL);
+        if (!pages)
+                goto no_pages;
        if (IS_ENABLED(CONFIG_CMA))
                ptr = __alloc_from_contiguous(NULL, pool->size, prot, &page);
        else
                ptr = __alloc_remap_buffer(NULL, pool->size, GFP_KERNEL, prot,
                                           &page, NULL);
        if (ptr) {
+                int i;
+                for (i = 0; i < nr_pages; i++)
+                        pages[i] = page + i;
                spin_lock_init(&pool->lock);
                pool->vaddr = ptr;
-                pool->page = page;
+                pool->pages = pages;
                pool->bitmap = bitmap;
                pool->nr_pages = nr_pages;
                pr_info("DMA: preallocated %u KiB pool for atomic coherent allocations\n",
                       (unsigned)pool->size / 1024);
                return 0;
        }
+no_pages:
        kfree(bitmap);
 no_bitmap:
        pr_err("DMA: failed to allocate %u KiB pool for atomic coherent allocation\n",
@@ -443,27 +471,45 @@ static void *__alloc_from_pool(size_t size, struct page **ret_page)
        if (pageno < pool->nr_pages) {
                bitmap_set(pool->bitmap, pageno, count);
                ptr = pool->vaddr + PAGE_SIZE * pageno;
-                *ret_page = pool->page + pageno;
+                *ret_page = pool->pages[pageno];
+        } else {
+                pr_err_once("ERROR: %u KiB atomic DMA coherent pool is too small!\n"
+                            "Please increase it with coherent_pool= kernel parameter!\n",
+                            (unsigned)pool->size / 1024);
        }
        spin_unlock_irqrestore(&pool->lock, flags);
        return ptr;
 }
+static bool __in_atomic_pool(void *start, size_t size)
+{
+        struct dma_pool *pool = &atomic_pool;
+        void *end = start + size;
+        void *pool_start = pool->vaddr;
+        void *pool_end = pool->vaddr + pool->size;
+        if (start < pool_start || start >= pool_end)
+                return false;
+        if (end <= pool_end)
+                return true;
+        WARN(1, "Wrong coherent size(%p-%p) from atomic pool(%p-%p)\n",
+             start, end - 1, pool_start, pool_end - 1);
+        return false;
+}
 static int __free_from_pool(void *start, size_t size)
 {
        struct dma_pool *pool = &atomic_pool;
        unsigned long pageno, count;
        unsigned long flags;
-        if (start < pool->vaddr || start > pool->vaddr + pool->size)
+        if (!__in_atomic_pool(start, size))
                return 0;
-        if (start + size > pool->vaddr + pool->size) {
-                WARN(1, "freeing wrong coherent size from pool\n");
-                return 0;
-        }
        pageno = (start - pool->vaddr) >> PAGE_SHIFT;
        count = size >> PAGE_SHIFT;
@@ -1090,10 +1136,22 @@ static int __iommu_remove_mapping(struct device *dev, dma_addr_t iova, size_t si
        return 0;
 }
+static struct page **__atomic_get_pages(void *addr)
+{
+        struct dma_pool *pool = &atomic_pool;
+        struct page **pages = pool->pages;
+        int offs = (addr - pool->vaddr) >> PAGE_SHIFT;
+        return pages + offs;
+}
 static struct page **__iommu_get_pages(void *cpu_addr, struct dma_attrs *attrs)
 {
        struct vm_struct *area;
+        if (__in_atomic_pool(cpu_addr, PAGE_SIZE))
+                return __atomic_get_pages(cpu_addr);
        if (dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs))
                return cpu_addr;
@@ -1103,6 +1161,34 @@ static struct page **__iommu_get_pages(void *cpu_addr, struct dma_attrs *attrs)
        return NULL;
 }
+static void *__iommu_alloc_atomic(struct device *dev, size_t size,
+                                  dma_addr_t *handle)
+{
+        struct page *page;
+        void *addr;
+        addr = __alloc_from_pool(size, &page);
+        if (!addr)
+                return NULL;
+        *handle = __iommu_create_mapping(dev, &page, size);
+        if (*handle == DMA_ERROR_CODE)
+                goto err_mapping;
+        return addr;
+err_mapping:
+        __free_from_pool(addr, size);
+        return NULL;
+}
+static void __iommu_free_atomic(struct device *dev, struct page **pages,
+                                dma_addr_t handle, size_t size)
+{
+        __iommu_remove_mapping(dev, handle, size);
+        __free_from_pool(page_address(pages[0]), size);
+}
 static void *arm_iommu_alloc_attrs(struct device *dev, size_t size,
            dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs)
 {
@@ -1113,6 +1199,9 @@ static void *arm_iommu_alloc_attrs(struct device *dev, size_t size,
        *handle = DMA_ERROR_CODE;
        size = PAGE_ALIGN(size);
+        if (gfp & GFP_ATOMIC)
+                return __iommu_alloc_atomic(dev, size, handle);
        pages = __iommu_alloc_buffer(dev, size, gfp);
        if (!pages)
                return NULL;
@@ -1179,6 +1268,11 @@ void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr,
                return;
        }
+        if (__in_atomic_pool(cpu_addr, size)) {
+                __iommu_free_atomic(dev, pages, handle, size);
+                return;
+        }
        if (!dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs)) {
                unmap_kernel_range((unsigned long)cpu_addr, size);
                vunmap(cpu_addr);
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 77458548e031..40ca11ed6e5f 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -231,8 +231,6 @@ void __sync_icache_dcache(pte_t pteval)
        struct page *page;
        struct address_space *mapping;
-        if (!pte_present_user(pteval))
-                return;
        if (cache_is_vipt_nonaliasing() && !pte_exec(pteval))
                /* only flush non-aliasing VIPT caches for exec mappings */
                return;
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 6776160618ef..a8ee92da3544 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -55,6 +55,9 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page
 /* permanent static mappings from iotable_init() */
 #define VM_ARM_STATIC_MAPPING   0x40000000
+/* empty mapping */
+#define VM_ARM_EMPTY_MAPPING    0x20000000
 /* mapping type (attributes) for permanent static mappings */
 #define VM_ARM_MTYPE(mt)                ((mt) << 20)
 #define VM_ARM_MTYPE_MASK       (0x1f << 20)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4c2d0451e84a..c2fa21d0103e 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -807,7 +807,7 @@ static void __init pmd_empty_section_gap(unsigned long addr)
        vm = early_alloc_aligned(sizeof(*vm), __alignof__(*vm));
        vm->addr = (void *)addr;
        vm->size = SECTION_SIZE;
-        vm->flags = VM_IOREMAP | VM_ARM_STATIC_MAPPING;
+        vm->flags = VM_IOREMAP | VM_ARM_EMPTY_MAPPING;
        vm->caller = pmd_empty_section_gap;
        vm_area_add_early(vm);
 }
@@ -820,7 +820,7 @@ static void __init fill_pmd_gaps(void)
        /* we're still single threaded hence no lock needed here */
        for (vm = vmlist; vm; vm = vm->next) {
-                if (!(vm->flags & VM_ARM_STATIC_MAPPING))
+                if (!(vm->flags & (VM_ARM_STATIC_MAPPING | VM_ARM_EMPTY_MAPPING)))
                        continue;
                addr = (unsigned long)vm->addr;
                if (addr < next)
@@ -961,8 +961,8 @@ void __init sanity_check_meminfo(void)
                 * Check whether this memory bank would partially overlap
                 * the vmalloc area.
                 */
-                if (__va(bank->start + bank->size) > vmalloc_min ||
+                if (__va(bank->start + bank->size - 1) >= vmalloc_min ||
-                    __va(bank->start + bank->size) < __va(bank->start)) {
+                    __va(bank->start + bank->size - 1) <= __va(bank->start)) {
                        unsigned long newsize = vmalloc_min - __va(bank->start);
                        printk(KERN_NOTICE "Truncating RAM at %.8llx-%.8llx "
                               "to -%.8llx (vmalloc region overlap).\n",
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index c2021139cb56..ea94765acf9a 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -38,10 +38,10 @@ ENTRY(v7wbi_flush_user_tlb_range)
        dsb
        mov     r0, r0, lsr #PAGE_SHIFT         @ align address
        mov     r1, r1, lsr #PAGE_SHIFT
-#ifdef CONFIG_ARM_ERRATA_720789
-        mov     r3, #0
-#else
        asid    r3, r3                          @ mask ASID
+#ifdef CONFIG_ARM_ERRATA_720789
+        ALT_SMP(W(mov)  r3, #0  )
+        ALT_UP(W(nop)           )
 #endif
        orr     r0, r3, r0, lsl #PAGE_SHIFT     @ Create initial MVA
        mov     r1, r1, lsl #PAGE_SHIFT
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 626ad8cad7a9..938b50a33439 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -189,6 +189,7 @@ struct omap_dm_timer *omap_dm_timer_request(void)
                timer->reserved = 1;
                break;
        }
+        spin_unlock_irqrestore(&dm_timer_lock, flags);
        if (timer) {
                ret = omap_dm_timer_prepare(timer);
@@ -197,7 +198,6 @@ struct omap_dm_timer *omap_dm_timer_request(void)
                        timer = NULL;
                }
        }
-        spin_unlock_irqrestore(&dm_timer_lock, flags);
        if (!timer)
                pr_debug("%s: timer request failed!\n", __func__);
@@ -220,6 +220,7 @@ struct omap_dm_timer *omap_dm_timer_request_specific(int id)
                        break;
                }
        }
+        spin_unlock_irqrestore(&dm_timer_lock, flags);
        if (timer) {
                ret = omap_dm_timer_prepare(timer);
@@ -228,7 +229,6 @@ struct omap_dm_timer *omap_dm_timer_request_specific(int id)
                        timer = NULL;
                }
        }
-        spin_unlock_irqrestore(&dm_timer_lock, flags);
        if (!timer)
                pr_debug("%s: timer%d request failed!\n", __func__, id);
@@ -258,7 +258,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_enable);
 void omap_dm_timer_disable(struct omap_dm_timer *timer)
 {
-        pm_runtime_put(&timer->pdev->dev);
+        pm_runtime_put_sync(&timer->pdev->dev);
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_disable);
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 68b180edcfff..bb5d08a70dbc 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -372,7 +372,8 @@ IS_OMAP_TYPE(3430, 0x3430)
 #define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
                                cpu_is_omap16xx())
 #define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
-                                cpu_is_omap44xx() || soc_is_omap54xx())
+                                cpu_is_omap44xx() || soc_is_omap54xx() || \
+                                soc_is_am33xx())
 /* Various silicon revisions for omap2 */
 #define OMAP242X_CLASS          0x24200024
diff --git a/arch/arm/plat-omap/include/plat/multi.h b/arch/arm/plat-omap/include/plat/multi.h
index 045e320f1067..324d31b14852 100644
--- a/arch/arm/plat-omap/include/plat/multi.h
+++ b/arch/arm/plat-omap/include/plat/multi.h
@@ -108,4 +108,13 @@
 # endif
 #endif
+#ifdef CONFIG_SOC_AM33XX
+# ifdef OMAP_NAME
+#  undef  MULTI_OMAP2
+#  define MULTI_OMAP2
+# else
+#  define OMAP_NAME am33xx
+# endif
+#endif
 #endif  /* __PLAT_OMAP_MULTI_H */
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index b8d19a136781..7f7b112acccb 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -110,7 +110,7 @@ static inline void flush(void)
        _DEBUG_LL_ENTRY(mach, AM33XX_UART##p##_BASE, OMAP_PORT_SHIFT,   \
                AM33XXUART##p)
-static inline void __arch_decomp_setup(unsigned long arch_id)
+static inline void arch_decomp_setup(void)
 {
        int port = 0;
@@ -198,8 +198,6 @@ static inline void __arch_decomp_setup(unsigned long arch_id)
        } while (0);
 }
-#define arch_decomp_setup()     __arch_decomp_setup(arch_id)
 /*
 * nothing to do
 */
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 766181cb5c95..024f3b08db29 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -68,6 +68,7 @@
 static unsigned long omap_sram_start;
 static void __iomem *omap_sram_base;
+static unsigned long omap_sram_skip;
 static unsigned long omap_sram_size;
 static void __iomem *omap_sram_ceil;
@@ -106,6 +107,7 @@ static int is_sram_locked(void)
 */
 static void __init omap_detect_sram(void)
 {
+        omap_sram_skip = SRAM_BOOTLOADER_SZ;
        if (cpu_class_is_omap2()) {
                if (is_sram_locked()) {
                        if (cpu_is_omap34xx()) {
@@ -113,6 +115,7 @@ static void __init omap_detect_sram(void)
                                if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
                                    (omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
                                        omap_sram_size = 0x7000; /* 28K */
+                                        omap_sram_skip += SZ_16K;
                                } else {
                                        omap_sram_size = 0x8000; /* 32K */
                                }
@@ -175,8 +178,10 @@ static void __init omap_map_sram(void)
                return;
 #ifdef CONFIG_OMAP4_ERRATA_I688
+        if (cpu_is_omap44xx()) {
                omap_sram_start += PAGE_SIZE;
                omap_sram_size -= SZ_16K;
+        }
 #endif
        if (cpu_is_omap34xx()) {
                /*
@@ -203,8 +208,8 @@ static void __init omap_map_sram(void)
         * Looks like we need to preserve some bootloader code at the
         * beginning of SRAM for jumping to flash for reboot to work...
         */
-        memset_io(omap_sram_base + SRAM_BOOTLOADER_SZ, 0,
+        memset_io(omap_sram_base + omap_sram_skip, 0,
-                  omap_sram_size - SRAM_BOOTLOADER_SZ);
+                  omap_sram_size - omap_sram_skip);
 }
 /*
@@ -218,7 +223,7 @@ void *omap_sram_push_address(unsigned long size)
 {
        unsigned long available, new_ceil = (unsigned long)omap_sram_ceil;
-        available = omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ);
+        available = omap_sram_ceil - (omap_sram_base + omap_sram_skip);
        if (size > available) {
                pr_err("Not enough space in SRAM\n");
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
index d245a87dc014..b8b747a9d360 100644
--- a/arch/arm/plat-orion/common.c
+++ b/arch/arm/plat-orion/common.c
@@ -291,10 +291,12 @@ static struct platform_device orion_ge00 = {
 void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
                            unsigned long mapbase,
                            unsigned long irq,
-                            unsigned long irq_err)
+                            unsigned long irq_err,
+                            unsigned int tx_csum_limit)
 {
        fill_resources(&orion_ge00_shared, orion_ge00_shared_resources,
                       mapbase + 0x2000, SZ_16K - 1, irq_err);
+        orion_ge00_shared_data.tx_csum_limit = tx_csum_limit;
        ge_complete(&orion_ge00_shared_data,
                    orion_ge00_resources, irq, &orion_ge00_shared,
                    eth_data, &orion_ge00);
@@ -343,10 +345,12 @@ static struct platform_device orion_ge01 = {
 void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
                            unsigned long mapbase,
                            unsigned long irq,
-                            unsigned long irq_err)
+                            unsigned long irq_err,
+                            unsigned int tx_csum_limit)
 {
        fill_resources(&orion_ge01_shared, orion_ge01_shared_resources,
                       mapbase + 0x2000, SZ_16K - 1, irq_err);
+        orion_ge01_shared_data.tx_csum_limit = tx_csum_limit;
        ge_complete(&orion_ge01_shared_data,
                    orion_ge01_resources, irq, &orion_ge01_shared,
                    eth_data, &orion_ge01);
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
index e00fdb213609..ae2377ef63e5 100644
--- a/arch/arm/plat-orion/include/plat/common.h
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -39,12 +39,14 @@ void __init orion_rtc_init(unsigned long mapbase,
 void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
                            unsigned long mapbase,
                            unsigned long irq,
-                            unsigned long irq_err);
+                            unsigned long irq_err,
+                            unsigned int tx_csum_limit);
 void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
                            unsigned long mapbase,
                            unsigned long irq,
-                            unsigned long irq_err);
+                            unsigned long irq_err,
+                            unsigned int tx_csum_limit);
 void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data,
                            unsigned long mapbase,
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 28f898f75380..db98e7021f0d 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -430,7 +430,7 @@ s3c2410_dma_canload(struct s3c2410_dma_chan *chan)
 * when necessary.
 */
-int s3c2410_dma_enqueue(unsigned int channel, void *id,
+int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
                        dma_addr_t data, int size)
 {
        struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 74e31ce35538..fc49f3dabd76 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -32,6 +32,8 @@
 #include <linux/platform_data/s3c-hsudc.h>
 #include <linux/platform_data/s3c-hsotg.h>
+#include <media/s5p_hdmi.h>
 #include <asm/irq.h>
 #include <asm/pmu.h>
 #include <asm/mach/arch.h>
@@ -748,7 +750,8 @@ void __init s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *pd)
        if (!pd) {
                pd = &default_i2c_data;
-                if (soc_is_exynos4210())
+                if (soc_is_exynos4210() ||
+                    soc_is_exynos4212() || soc_is_exynos4412())
                        pd->bus_num = 8;
                else if (soc_is_s5pv210())
                        pd->bus_num = 3;
@@ -759,6 +762,30 @@ void __init s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *pd)
        npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
                               &s5p_device_i2c_hdmiphy);
 }
+struct s5p_hdmi_platform_data s5p_hdmi_def_platdata;
+void __init s5p_hdmi_set_platdata(struct i2c_board_info *hdmiphy_info,
+                                  struct i2c_board_info *mhl_info, int mhl_bus)
+{
+        struct s5p_hdmi_platform_data *pd = &s5p_hdmi_def_platdata;
+        if (soc_is_exynos4210() ||
+            soc_is_exynos4212() || soc_is_exynos4412())
+                pd->hdmiphy_bus = 8;
+        else if (soc_is_s5pv210())
+                pd->hdmiphy_bus = 3;
+        else
+                pd->hdmiphy_bus = 0;
+        pd->hdmiphy_info = hdmiphy_info;
+        pd->mhl_info = mhl_info;
+        pd->mhl_bus = mhl_bus;
+        s3c_set_platdata(pd, sizeof(struct s5p_hdmi_platform_data),
+                         &s5p_device_hdmi);
+}
 #endif /* CONFIG_S5P_DEV_I2C_HDMIPHY */
 /* I2S */
diff --git a/arch/arm/plat-samsung/include/plat/hdmi.h b/arch/arm/plat-samsung/include/plat/hdmi.h
new file mode 100644
index 000000000000..331d046ac2c5
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/hdmi.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics Co.Ltd
+ *
+ * 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.
+ */
+#ifndef __PLAT_SAMSUNG_HDMI_H
+#define __PLAT_SAMSUNG_HDMI_H __FILE__
+extern void s5p_hdmi_set_platdata(struct i2c_board_info *hdmiphy_info,
+                                  struct i2c_board_info *mhl_info, int mhl_bus);
+#endif /* __PLAT_SAMSUNG_HDMI_H */
diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c
index 64ab65f0fdbc..15070284343e 100644
--- a/arch/arm/plat-samsung/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -74,7 +74,7 @@ unsigned char pm_uart_udivslot;
 #ifdef CONFIG_SAMSUNG_PM_DEBUG
-struct pm_uart_save uart_save[CONFIG_SERIAL_SAMSUNG_UARTS];
+static struct pm_uart_save uart_save[CONFIG_SERIAL_SAMSUNG_UARTS];
 static void s3c_pm_save_uart(unsigned int uart, struct pm_uart_save *save)
 {
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index fb849d044bde..c834b32af275 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -719,8 +719,10 @@ static int __init vfp_init(void)
                        if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
                                elf_hwcap |= HWCAP_NEON;
 #endif
+#ifdef CONFIG_VFPv3
                        if ((fmrx(MVFR1) & 0xf0000000) == 0x10000000)
                                elf_hwcap |= HWCAP_VFPv4;
+#endif
                }
        }
        return 0;
author	Mark Brown <broonie@opensource.wolfsonmicro.com>	2012-09-25 08:41:02 -0400
committer	Mark Brown <broonie@opensource.wolfsonmicro.com>	2012-09-25 08:41:02 -0400
commit	ac48f6cb5f268daff06b636444819e5ffb462611 (patch)
tree	56bcc8b2de42738764ac65056067a17cb97609f4 /arch/arm
parent	e64d07a2dae569fc3c938adac777562a1d6f151e (diff)
parent	5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)