35 files changed, 201 insertions, 96 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a19a5266d5fc..db524e75c4a2 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -6,7 +6,7 @@ config ARM
        select HAVE_MEMBLOCK
        select RTC_LIB
        select SYS_SUPPORTS_APM_EMULATION
-        select GENERIC_ATOMIC64 if (!CPU_32v6K)
+        select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI)
        select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
        select HAVE_ARCH_KGDB
        select HAVE_KPROBES if (!XIP_KERNEL)
@@ -646,7 +646,7 @@ config ARCH_S3C2410
        select ARCH_HAS_CPUFREQ
        select HAVE_CLK
        select ARCH_USES_GETTIMEOFFSET
-        select HAVE_S3C2410_I2C
+        select HAVE_S3C2410_I2C if I2C
        help
          Samsung S3C2410X CPU based systems, such as the Simtec Electronics
          BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
@@ -676,8 +676,8 @@ config ARCH_S3C64XX
        select S3C_DEV_NAND
        select USB_ARCH_HAS_OHCI
        select SAMSUNG_GPIOLIB_4BIT
-        select HAVE_S3C2410_I2C
+        select HAVE_S3C2410_I2C if I2C
-        select HAVE_S3C2410_WATCHDOG
+        select HAVE_S3C2410_WATCHDOG if WATCHDOG
        help
          Samsung S3C64XX series based systems
@@ -686,10 +686,10 @@ config ARCH_S5P64X0
        select CPU_V6
        select GENERIC_GPIO
        select HAVE_CLK
-        select HAVE_S3C2410_WATCHDOG
+        select HAVE_S3C2410_WATCHDOG if WATCHDOG
        select ARCH_USES_GETTIMEOFFSET
-        select HAVE_S3C2410_I2C
+        select HAVE_S3C2410_I2C if I2C
-        select HAVE_S3C_RTC
+        select HAVE_S3C_RTC if RTC_CLASS
        help
          Samsung S5P64X0 CPU based systems, such as the Samsung SMDK6440,
          SMDK6450.
@@ -700,7 +700,7 @@ config ARCH_S5P6442
        select GENERIC_GPIO
        select HAVE_CLK
        select ARCH_USES_GETTIMEOFFSET
-        select HAVE_S3C2410_WATCHDOG
+        select HAVE_S3C2410_WATCHDOG if WATCHDOG
        help
          Samsung S5P6442 CPU based systems
@@ -711,9 +711,9 @@ config ARCH_S5PC100
        select CPU_V7
        select ARM_L1_CACHE_SHIFT_6
        select ARCH_USES_GETTIMEOFFSET
-        select HAVE_S3C2410_I2C
+        select HAVE_S3C2410_I2C if I2C
-        select HAVE_S3C_RTC
+        select HAVE_S3C_RTC if RTC_CLASS
-        select HAVE_S3C2410_WATCHDOG
+        select HAVE_S3C2410_WATCHDOG if WATCHDOG
        help
          Samsung S5PC100 series based systems
@@ -726,9 +726,9 @@ config ARCH_S5PV210
        select ARM_L1_CACHE_SHIFT_6
        select ARCH_HAS_CPUFREQ
        select ARCH_USES_GETTIMEOFFSET
-        select HAVE_S3C2410_I2C
+        select HAVE_S3C2410_I2C if I2C
-        select HAVE_S3C_RTC
+        select HAVE_S3C_RTC if RTC_CLASS
-        select HAVE_S3C2410_WATCHDOG
+        select HAVE_S3C2410_WATCHDOG if WATCHDOG
        help
          Samsung S5PV210/S5PC110 series based systems
@@ -739,9 +739,9 @@ config ARCH_S5PV310
        select GENERIC_GPIO
        select HAVE_CLK
        select GENERIC_CLOCKEVENTS
-        select HAVE_S3C_RTC
+        select HAVE_S3C_RTC if RTC_CLASS
-        select HAVE_S3C2410_I2C
+        select HAVE_S3C2410_I2C if I2C
-        select HAVE_S3C2410_WATCHDOG
+        select HAVE_S3C2410_WATCHDOG if WATCHDOG
        help
          Samsung S5PV310 series based systems
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index ada6359160eb..772f95f1aecd 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -251,15 +251,16 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
                writel(cpumask, base + GIC_DIST_TARGET + i * 4 / 4);
        /*
-         * Set priority on all interrupts.
+         * Set priority on all global interrupts.
         */
-        for (i = 0; i < max_irq; i += 4)
+        for (i = 32; i < max_irq; i += 4)
                writel(0xa0a0a0a0, base + GIC_DIST_PRI + i * 4 / 4);
        /*
-         * Disable all interrupts.
+         * Disable all interrupts.  Leave the PPI and SGIs alone
+         * as these enables are banked registers.
         */
-        for (i = 0; i < max_irq; i += 32)
+        for (i = 32; i < max_irq; i += 32)
                writel(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32);
        /*
@@ -277,11 +278,30 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
 void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base)
 {
+        void __iomem *dist_base;
+        int i;
        if (gic_nr >= MAX_GIC_NR)
                BUG();
+        dist_base = gic_data[gic_nr].dist_base;
+        BUG_ON(!dist_base);
        gic_data[gic_nr].cpu_base = base;
+        /*
+         * Deal with the banked PPI and SGI interrupts - disable all
+         * PPI interrupts, ensure all SGI interrupts are enabled.
+         */
+        writel(0xffff0000, dist_base + GIC_DIST_ENABLE_CLEAR);
+        writel(0x0000ffff, dist_base + GIC_DIST_ENABLE_SET);
+        /*
+         * Set priority on PPI and SGI interrupts
+         */
+        for (i = 0; i < 32; i += 4)
+                writel(0xa0a0a0a0, dist_base + GIC_DIST_PRI + i * 4 / 4);
        writel(0xf0, base + GIC_CPU_PRIMASK);
        writel(1, base + GIC_CPU_CTRL);
 }
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index 6700c7fc7ebd..21fa272301f8 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -75,7 +75,7 @@ extern unsigned long it8152_base_address;
  IT8152_PD_IRQ(1)  USB (USBR)
  IT8152_PD_IRQ(0)  Audio controller (ACR)
 */
-#define IT8152_IRQ(x)   (IRQ_BOARD_END + (x))
+#define IT8152_IRQ(x)   (IRQ_BOARD_START + (x))
 /* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
 #define IT8152_LD_IRQ_COUNT     9
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 54593b0c241b..21e3a4ab3b8c 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -748,8 +748,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr,
                breakpoint_handler(addr, regs);
                break;
        case ARM_ENTRY_ASYNC_WATCHPOINT:
-                WARN_ON("Asynchronous watchpoint exception taken. "
+                WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n");
-                        "Debugging results may be unreliable");
        case ARM_ENTRY_SYNC_WATCHPOINT:
                watchpoint_handler(addr, regs);
                break;
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 49643b1467e6..07a50357492a 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -1749,7 +1749,7 @@ static inline int armv7_pmnc_has_overflowed(unsigned long pmnc)
 static inline int armv7_pmnc_counter_has_overflowed(unsigned long pmnc,
                                        enum armv7_counters counter)
 {
-        int ret;
+        int ret = 0;
        if (counter == ARMV7_CYCLE_COUNTER)
                ret = pmnc & ARMV7_FLAG_C;
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 20b7411e47fd..c2e112e1a05f 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -28,7 +28,7 @@ int notrace unwind_frame(struct stackframe *frame)
        /* only go to a higher address on the stack */
        low = frame->sp;
-        high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE;
+        high = ALIGN(low, THREAD_SIZE);
        /* check current frame pointer is within bounds */
        if (fp < (low + 12) || fp + 4 >= high)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index cda78d59aa31..446aee97436f 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -53,10 +53,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long);
 void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)
 {
 #ifdef CONFIG_KALLSYMS
-        char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN];
+        printk("[<%08lx>] (%pS) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from);
-        sprint_symbol(sym1, where);
-        sprint_symbol(sym2, from);
-        printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2);
 #else
        printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
 #endif
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 2a161765f6d5..d2cb0b3c9872 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -279,7 +279,7 @@ int unwind_frame(struct stackframe *frame)
        /* only go to a higher address on the stack */
        low = frame->sp;
-        high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE;
+        high = ALIGN(low, THREAD_SIZE);
        pr_debug("%s(pc = %08lx lr = %08lx sp = %08lx)\n", __func__,
                 frame->pc, frame->lr, frame->sp);
diff --git a/arch/arm/mach-ep93xx/include/mach/dma.h b/arch/arm/mach-ep93xx/include/mach/dma.h
index 3a5961d3f3b1..5e31b2b25da9 100644
--- a/arch/arm/mach-ep93xx/include/mach/dma.h
+++ b/arch/arm/mach-ep93xx/include/mach/dma.h
@@ -1,5 +1,13 @@
-/*
+/**
- * arch/arm/mach-ep93xx/include/mach/dma.h
+ * DOC: EP93xx DMA M2P memory to peripheral and peripheral to memory engine
+ *
+ * The EP93xx DMA M2P subsystem handles DMA transfers between memory and
+ * peripherals. DMA M2P channels are available for audio, UARTs and IrDA.
+ * See chapter 10 of the EP93xx users guide for full details on the DMA M2P
+ * engine.
+ *
+ * See sound/soc/ep93xx/ep93xx-pcm.c for an example use of the DMA M2P code.
+ *
 */
 #ifndef __ASM_ARCH_DMA_H
@@ -8,12 +16,34 @@
 #include <linux/list.h>
 #include <linux/types.h>
+/**
+ * struct ep93xx_dma_buffer - Information about a buffer to be transferred
+ * using the DMA M2P engine
+ *
+ * @list: Entry in DMA buffer list
+ * @bus_addr: Physical address of the buffer
+ * @size: Size of the buffer in bytes
+ */
 struct ep93xx_dma_buffer {
        struct list_head        list;
        u32                     bus_addr;
        u16                     size;
 };
+/**
+ * struct ep93xx_dma_m2p_client - Information about a DMA M2P client
+ *
+ * @name: Unique name for this client
+ * @flags: Client flags
+ * @cookie: User data to pass to callback functions
+ * @buffer_started: Non NULL function to call when a transfer is started.
+ *                      The arguments are the user data cookie and the DMA
+ *                      buffer which is starting.
+ * @buffer_finished: Non NULL function to call when a transfer is completed.
+ *                      The arguments are the user data cookie, the DMA buffer
+ *                      which has completed, and a boolean flag indicating if
+ *                      the transfer had an error.
+ */
 struct ep93xx_dma_m2p_client {
        char                    *name;
        u8                      flags;
@@ -24,10 +54,11 @@ struct ep93xx_dma_m2p_client {
                                        struct ep93xx_dma_buffer *buf,
                                        int bytes, int error);
-        /* Internal to the DMA code.  */
+        /* private: Internal use only */
        void                    *channel;
 };
+/* DMA M2P ports */
 #define EP93XX_DMA_M2P_PORT_I2S1        0x00
 #define EP93XX_DMA_M2P_PORT_I2S2        0x01
 #define EP93XX_DMA_M2P_PORT_AAC1        0x02
@@ -39,18 +70,80 @@ struct ep93xx_dma_m2p_client {
 #define EP93XX_DMA_M2P_PORT_UART3       0x08
 #define EP93XX_DMA_M2P_PORT_IRDA        0x09
 #define EP93XX_DMA_M2P_PORT_MASK        0x0f
-#define EP93XX_DMA_M2P_TX               0x00
-#define EP93XX_DMA_M2P_RX               0x10
-#define EP93XX_DMA_M2P_ABORT_ON_ERROR   0x20
-#define EP93XX_DMA_M2P_IGNORE_ERROR     0x40
-#define EP93XX_DMA_M2P_ERROR_MASK       0x60
-int  ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p);
+/* DMA M2P client flags */
+#define EP93XX_DMA_M2P_TX               0x00    /* Memory to peripheral */
+#define EP93XX_DMA_M2P_RX               0x10    /* Peripheral to memory */
+/*
+ * DMA M2P client error handling flags. See the EP93xx users guide
+ * documentation on the DMA M2P CONTROL register for more details
+ */
+#define EP93XX_DMA_M2P_ABORT_ON_ERROR   0x20    /* Abort on peripheral error */
+#define EP93XX_DMA_M2P_IGNORE_ERROR     0x40    /* Ignore peripheral errors */
+#define EP93XX_DMA_M2P_ERROR_MASK       0x60    /* Mask of error bits */
+/**
+ * ep93xx_dma_m2p_client_register - Register a client with the DMA M2P
+ * subsystem
+ *
+ * @m2p: Client information to register
+ * returns 0 on success
+ *
+ * The DMA M2P subsystem allocates a channel and an interrupt line for the DMA
+ * client
+ */
+int ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p);
+/**
+ * ep93xx_dma_m2p_client_unregister - Unregister a client from the DMA M2P
+ * subsystem
+ *
+ * @m2p: Client to unregister
+ *
+ * Any transfers currently in progress will be completed in hardware, but
+ * ignored in software.
+ */
 void ep93xx_dma_m2p_client_unregister(struct ep93xx_dma_m2p_client *m2p);
+/**
+ * ep93xx_dma_m2p_submit - Submit a DMA M2P transfer
+ *
+ * @m2p: DMA Client to submit the transfer on
+ * @buf: DMA Buffer to submit
+ *
+ * If the current or next transfer positions are free on the M2P client then
+ * the transfer is started immediately. If not, the transfer is added to the
+ * list of pending transfers. This function must not be called from the
+ * buffer_finished callback for an M2P channel.
+ *
+ */
 void ep93xx_dma_m2p_submit(struct ep93xx_dma_m2p_client *m2p,
                           struct ep93xx_dma_buffer *buf);
+/**
+ * ep93xx_dma_m2p_submit_recursive - Put a DMA transfer on the pending list
+ * for an M2P channel
+ *
+ * @m2p: DMA Client to submit the transfer on
+ * @buf: DMA Buffer to submit
+ *
+ * This function must only be called from the buffer_finished callback for an
+ * M2P channel. It is commonly used to add the next transfer in a chained list
+ * of DMA transfers.
+ */
 void ep93xx_dma_m2p_submit_recursive(struct ep93xx_dma_m2p_client *m2p,
                                     struct ep93xx_dma_buffer *buf);
+/**
+ * ep93xx_dma_m2p_flush - Flush all pending transfers on a DMA M2P client
+ *
+ * @m2p: DMA client to flush transfers on
+ *
+ * Any transfers currently in progress will be completed in hardware, but
+ * ignored in software.
+ *
+ */
 void ep93xx_dma_m2p_flush(struct ep93xx_dma_m2p_client *m2p);
 #endif /* __ASM_ARCH_DMA_H */
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 51ff23b72d3a..3688123b5ad8 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -854,10 +854,9 @@ int __init kirkwood_find_tclk(void)
        kirkwood_pcie_id(&dev, &rev);
-        if ((dev == MV88F6281_DEV_ID && (rev == MV88F6281_REV_A0 ||
+        if (dev == MV88F6281_DEV_ID || dev == MV88F6282_DEV_ID)
-                                        rev == MV88F6281_REV_A1)) ||
+                if (((readl(SAMPLE_AT_RESET) >> 21) & 1) == 0)
-            (dev == MV88F6282_DEV_ID))
+                        return 200000000;
-                return 200000000;
        return 166666667;
 }
diff --git a/arch/arm/mach-kirkwood/d2net_v2-setup.c b/arch/arm/mach-kirkwood/d2net_v2-setup.c
index 4aa86e4a152c..a31c9499ab36 100644
--- a/arch/arm/mach-kirkwood/d2net_v2-setup.c
+++ b/arch/arm/mach-kirkwood/d2net_v2-setup.c
@@ -225,5 +225,5 @@ MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
        .init_machine   = d2net_v2_init,
        .map_io         = kirkwood_map_io,
        .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.c b/arch/arm/mach-kirkwood/lacie_v2-common.c
index d3ea1b6c8a02..285edab776e9 100644
--- a/arch/arm/mach-kirkwood/lacie_v2-common.c
+++ b/arch/arm/mach-kirkwood/lacie_v2-common.c
@@ -111,17 +111,3 @@ void __init lacie_v2_hdd_power_init(int hdd_num)
                        pr_err("Failed to power up HDD%d\n", i + 1);
        }
 }
-/*****************************************************************************
- * Timer
- ****************************************************************************/
-static void lacie_v2_timer_init(void)
-{
-        kirkwood_tclk = 166666667;
-        orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
-}
-struct sys_timer lacie_v2_timer = {
-        .init = lacie_v2_timer_init,
-};
diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.h b/arch/arm/mach-kirkwood/lacie_v2-common.h
index af521315b87b..fc64f578536e 100644
--- a/arch/arm/mach-kirkwood/lacie_v2-common.h
+++ b/arch/arm/mach-kirkwood/lacie_v2-common.h
@@ -13,6 +13,4 @@ void lacie_v2_register_flash(void);
 void lacie_v2_register_i2c_devices(void);
 void lacie_v2_hdd_power_init(int hdd_num);
-extern struct sys_timer lacie_v2_timer;
 #endif
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index 065187d177c6..27901f702feb 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -59,7 +59,7 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list)
        }
        printk("\n");
-        while (*mpp_list) {
+        for ( ; *mpp_list; mpp_list++) {
                unsigned int num = MPP_NUM(*mpp_list);
                unsigned int sel = MPP_SEL(*mpp_list);
                int shift, gpio_mode;
@@ -88,8 +88,6 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list)
                if (sel != 0)
                        gpio_mode = 0;
                orion_gpio_set_valid(num, gpio_mode);
-                mpp_list++;
        }
        printk(KERN_DEBUG "  final MPP regs:");
diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c
index 5ea66f1f4178..65ee21fd2f3b 100644
--- a/arch/arm/mach-kirkwood/netspace_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c
@@ -262,7 +262,7 @@ MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
        .init_machine   = netspace_v2_init,
        .map_io         = kirkwood_map_io,
        .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
@@ -272,7 +272,7 @@ MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
        .init_machine   = netspace_v2_init,
        .map_io         = kirkwood_map_io,
        .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
@@ -282,6 +282,6 @@ MACHINE_START(NETSPACE_MAX_V2, "LaCie Network Space Max v2")
        .init_machine   = netspace_v2_init,
        .map_io         = kirkwood_map_io,
        .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
diff --git a/arch/arm/mach-kirkwood/netxbig_v2-setup.c b/arch/arm/mach-kirkwood/netxbig_v2-setup.c
index a1b45d501aef..93afd3c8bfd8 100644
--- a/arch/arm/mach-kirkwood/netxbig_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netxbig_v2-setup.c
@@ -403,7 +403,7 @@ MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2")
        .init_machine   = netxbig_v2_init,
        .map_io         = kirkwood_map_io,
        .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
@@ -413,6 +413,6 @@ MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2")
        .init_machine   = netxbig_v2_init,
        .map_io         = kirkwood_map_io,
        .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
diff --git a/arch/arm/mach-kirkwood/ts41x-setup.c b/arch/arm/mach-kirkwood/ts41x-setup.c
index 8be09a0ce4ac..3587a281d993 100644
--- a/arch/arm/mach-kirkwood/ts41x-setup.c
+++ b/arch/arm/mach-kirkwood/ts41x-setup.c
@@ -27,6 +27,10 @@
 #include "mpp.h"
 #include "tsx1x-common.h"
+/* for the PCIe reset workaround */
+#include <plat/pcie.h>
 #define QNAP_TS41X_JUMPER_JP1   45
 static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = {
@@ -140,8 +144,16 @@ static void __init qnap_ts41x_init(void)
 static int __init ts41x_pci_init(void)
 {
-        if (machine_is_ts41x())
+        if (machine_is_ts41x()) {
+                /*
+                 * Without this explicit reset, the PCIe SATA controller
+                 * (Marvell 88sx7042/sata_mv) is known to stop working
+                 * after a few minutes.
+                 */
+                orion_pcie_reset((void __iomem *)PCIE_VIRT_BASE);
                kirkwood_pcie_init(KW_PCIE0);
+        }
   return 0;
 }
diff --git a/arch/arm/mach-mmp/include/mach/cputype.h b/arch/arm/mach-mmp/include/mach/cputype.h
index f43a68b213f1..8a3b56dfd35d 100644
--- a/arch/arm/mach-mmp/include/mach/cputype.h
+++ b/arch/arm/mach-mmp/include/mach/cputype.h
@@ -46,7 +46,8 @@ static inline int cpu_is_pxa910(void)
 #ifdef CONFIG_CPU_MMP2
 static inline int cpu_is_mmp2(void)
 {
-        return (((cpu_readid_id() >> 8) & 0xff) == 0x58);
+        return (((read_cpuid_id() >> 8) & 0xff) == 0x58);
+}
 #else
 #define cpu_is_mmp2()   (0)
 #endif
diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c
index 354ac514eb89..84db2dfc475c 100644
--- a/arch/arm/mach-mv78xx0/mpp.c
+++ b/arch/arm/mach-mv78xx0/mpp.c
@@ -54,7 +54,7 @@ void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
        }
        printk("\n");
-        while (*mpp_list) {
+        for ( ; *mpp_list; mpp_list++) {
                unsigned int num = MPP_NUM(*mpp_list);
                unsigned int sel = MPP_SEL(*mpp_list);
                int shift, gpio_mode;
@@ -83,8 +83,6 @@ void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
                if (sel != 0)
                        gpio_mode = 0;
                orion_gpio_set_valid(num, gpio_mode);
-                mpp_list++;
        }
        printk(KERN_DEBUG "  final MPP regs:");
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index ea0d80a89da7..e7f9ee63dce5 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -321,10 +321,9 @@ static struct platform_device omap_wdt_device = {
 static int __init omap_init_wdt(void)
 {
        if (!cpu_is_omap16xx())
-                return;
+                return -ENODEV;
-        platform_device_register(&omap_wdt_device);
+        return platform_device_register(&omap_wdt_device);
-        return 0;
 }
 subsys_initcall(omap_init_wdt);
 #endif
diff --git a/arch/arm/mach-omap1/include/mach/camera.h b/arch/arm/mach-omap1/include/mach/camera.h
index fd54b452eb22..847d00f0bb0a 100644
--- a/arch/arm/mach-omap1/include/mach/camera.h
+++ b/arch/arm/mach-omap1/include/mach/camera.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_ARCH_CAMERA_H_
 #define __ASM_ARCH_CAMERA_H_
+#include <media/omap1_camera.h>
 void omap1_camera_init(void *);
 static inline void omap1_set_camera_info(struct omap1_cam_platform_data *info)
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 067f4379c87f..53ac762518bd 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -242,9 +242,6 @@ static int devkit8000_twl_gpio_setup(struct device *dev,
        mmc[0].gpio_cd = gpio + 0;
        omap2_hsmmc_init(mmc);
-        /* link regulators to MMC adapters */
-        devkit8000_vmmc1_supply.dev = mmc[0].dev;
        /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
        gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
diff --git a/arch/arm/mach-orion5x/mpp.c b/arch/arm/mach-orion5x/mpp.c
index bc4c3b9aaf83..db485d3b8144 100644
--- a/arch/arm/mach-orion5x/mpp.c
+++ b/arch/arm/mach-orion5x/mpp.c
@@ -127,7 +127,7 @@ void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode)
        /* Initialize gpiolib. */
        orion_gpio_init();
-        while (mode->mpp >= 0) {
+        for ( ; mode->mpp >= 0; mode++) {
                u32 *reg;
                int num_type;
                int shift;
@@ -160,8 +160,6 @@ void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode)
                        orion_gpio_set_unused(mode->mpp);
                orion_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
-                mode++;
        }
        writel(mpp_0_7_ctrl, MPP_0_7_CTRL);
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
index 16f1bd5324be..c1c1cd04bdde 100644
--- a/arch/arm/mach-orion5x/ts78xx-setup.c
+++ b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -239,7 +239,7 @@ static struct platform_nand_data ts78xx_ts_nand_data = {
 static struct resource ts78xx_ts_nand_resources = {
        .start          = TS_NAND_DATA,
        .end            = TS_NAND_DATA + 4,
-        .flags          = IORESOURCE_IO,
+        .flags          = IORESOURCE_MEM,
 };
 static struct platform_device ts78xx_ts_nand_device = {
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
index ac5598ce9724..d34b99febeb9 100644
--- a/arch/arm/mach-pxa/cm-x2xx.c
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -476,8 +476,6 @@ static void __init cmx2xx_init(void)
 static void __init cmx2xx_init_irq(void)
 {
-        pxa27x_init_irq();
        if (cpu_is_pxa25x()) {
                pxa25x_init_irq();
                cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index 4b521e045d75..ffa50e633ee6 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -116,7 +116,7 @@ static struct platform_device smc91x_device = {
        },
 };
-#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULE)
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 static uint16_t lcd_power_on[] = {
        /* single frame */
        SMART_CMD_NOOP,
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 1ca7bdc6485c..579d2f0f4dd0 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -143,7 +143,7 @@ config MACH_SMDK6410
        select S3C_DEV_USB_HSOTG
        select S3C_DEV_WDT
        select SAMSUNG_DEV_KEYPAD
-        select HAVE_S3C2410_WATCHDOG
+        select HAVE_S3C2410_WATCHDOG if WATCHDOG
        select S3C64XX_SETUP_SDHCI
        select S3C64XX_SETUP_I2C1
        select S3C64XX_SETUP_IDE
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 32d9e2816e56..d3260542b943 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -163,11 +163,13 @@ static struct mtd_partition nor_flash_partitions[] = {
                .name           = "loader",
                .offset         = 0x00000000,
                .size           = 512 * 1024,
+                .mask_flags     = MTD_WRITEABLE,
        },
        {
                .name           = "bootenv",
                .offset         = MTDPART_OFS_APPEND,
                .size           = 512 * 1024,
+                .mask_flags     = MTD_WRITEABLE,
        },
        {
                .name           = "kernel_ro",
@@ -581,6 +583,10 @@ static int fsi_set_rate(int is_porta, int rate)
                return -EINVAL;
        switch (rate) {
+        case 44100:
+                clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 11283000));
+                ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
+                break;
        case 48000:
                clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000));
                clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000));
diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c
index 4cd3cae38e72..30b2f400666a 100644
--- a/arch/arm/mach-shmobile/intc-sh7372.c
+++ b/arch/arm/mach-shmobile/intc-sh7372.c
@@ -98,7 +98,7 @@ static struct intc_vect intca_vectors[] __initdata = {
        INTC_VECT(IRQ14A, 0x03c0), INTC_VECT(IRQ15A, 0x03e0),
        INTC_VECT(IRQ16A, 0x3200), INTC_VECT(IRQ17A, 0x3220),
        INTC_VECT(IRQ18A, 0x3240), INTC_VECT(IRQ19A, 0x3260),
-        INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ31A, 0x32a0),
+        INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ21A, 0x32a0),
        INTC_VECT(IRQ22A, 0x32c0), INTC_VECT(IRQ23A, 0x32e0),
        INTC_VECT(IRQ24A, 0x3300), INTC_VECT(IRQ25A, 0x3320),
        INTC_VECT(IRQ26A, 0x3340), INTC_VECT(IRQ27A, 0x3360),
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index c2e405a9e025..fd25ccd7272f 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -54,7 +54,9 @@ static struct map_desc ct_ca9x4_io_desc[] __initdata = {
 static void __init ct_ca9x4_map_io(void)
 {
+#ifdef CONFIG_LOCAL_TIMERS
        twd_base = MMIO_P2V(A9_MPCORE_TWD);
+#endif
        v2m_map_io(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc));
 }
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e4dd0646e859..ac6a36142fcd 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -198,7 +198,7 @@ __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot)
         * fragmentation of the DMA space, and also prevents allocations
         * smaller than a section from crossing a section boundary.
         */
-        bit = fls(size - 1) + 1;
+        bit = fls(size - 1);
        if (bit > SECTION_SHIFT)
                bit = SECTION_SHIFT;
        align = 1 << bit;
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 6f42a18b8aa4..fc819120978d 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -284,12 +284,14 @@ void __init omap_dsp_reserve_sdram_memblock(void)
        if (!size)
                return;
-        paddr = __memblock_alloc_base(size, SZ_1M, MEMBLOCK_REAL_LIMIT);
+        paddr = memblock_alloc(size, SZ_1M);
        if (!paddr) {
                pr_err("%s: failed to reserve %x bytes\n",
                                __func__, size);
                return;
        }
+        memblock_free(paddr, size);
+        memblock_remove(paddr, size);
        omap_dsp_phys_mempool_base = paddr;
 }
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index f5c5b8da9a87..2c2826571d45 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1983,6 +1983,8 @@ static int omap2_dma_handle_ch(int ch)
        dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR(ch));
        dma_write(1 << ch, IRQSTATUS_L0);
+        /* read back the register to flush the write */
+        dma_read(IRQSTATUS_L0);
        /* If the ch is not chained then chain_id will be -1 */
        if (dma_chan[ch].chain_id != -1) {
diff --git a/arch/arm/plat-orion/include/plat/pcie.h b/arch/arm/plat-orion/include/plat/pcie.h
index 3ebfef72b4e7..cc99163e73fd 100644
--- a/arch/arm/plat-orion/include/plat/pcie.h
+++ b/arch/arm/plat-orion/include/plat/pcie.h
@@ -11,12 +11,15 @@
 #ifndef __PLAT_PCIE_H
 #define __PLAT_PCIE_H
+struct pci_bus;
 u32 orion_pcie_dev_id(void __iomem *base);
 u32 orion_pcie_rev(void __iomem *base);
 int orion_pcie_link_up(void __iomem *base);
 int orion_pcie_x4_mode(void __iomem *base);
 int orion_pcie_get_local_bus_nr(void __iomem *base);
 void orion_pcie_set_local_bus_nr(void __iomem *base, int nr);
+void orion_pcie_reset(void __iomem *base);
 void orion_pcie_setup(void __iomem *base,
                      struct mbus_dram_target_info *dram);
 int orion_pcie_rd_conf(void __iomem *base, struct pci_bus *bus,
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index 779553a1595e..af2d733c50b5 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -182,11 +182,6 @@ void __init orion_pcie_setup(void __iomem *base,
        u32 mask;
        /*
-         * soft reset PCIe unit
-         */
-        orion_pcie_reset(base);
-        /*
         * Point PCIe unit MBUS decode windows to DRAM space.
         */
        orion_pcie_setup_wins(base, dram);