204 files changed, 2146 insertions, 1112 deletions
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index bf4f4b7e11b3..6d94e0696f8c 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -134,9 +134,15 @@ ro                   	Mount filesystem read only. Note that ext4 will
                        mount options "ro,noload" can be used to prevent
                        writes to the filesystem.
+journal_checksum        Enable checksumming of the journal transactions.
+                        This will allow the recovery code in e2fsck and the
+                        kernel to detect corruption in the kernel.  It is a
+                        compatible change and will be ignored by older kernels.
 journal_async_commit    Commit block can be written to disk without waiting
                        for descriptor blocks. If enabled older kernels cannot
-                        mount the device.
+                        mount the device. This will enable 'journal_checksum'
+                        internally.
 journal=update          Update the ext4 file system's journal to the current
                        format.
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 1c8eb4518ce0..fd9a2f67edf2 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -522,7 +522,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
    pcm_devs       - Number of PCM devices assigned to each card
                     (default = 1, up to 4)
    pcm_substreams - Number of PCM substreams assigned to each PCM
-                     (default = 8, up to 16)
+                     (default = 8, up to 128)
    hrtimer        - Use hrtimer (=1, default) or system timer (=0)
    fake_buffer    - Fake buffer allocations (default = 1)
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index 957b22fde2df..8179692fbb90 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -1231,6 +1231,7 @@ something like this simple program:
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
+#include <string.h>
 #define _STR(x) #x
 #define STR(x) _STR(x)
@@ -1265,6 +1266,7 @@ const char *find_debugfs(void)
               return NULL;
       }
+       strcat(debugfs, "/tracing/");
       debugfs_found = 1;
       return debugfs;
diff --git a/Makefile b/Makefile
index 9425d1de54c7..b4c04f734e56 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 32
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Man-Eating Seals of Antiquity
 # *DOCUMENTATION*
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index fd03fb63a332..3d0cdd21b882 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -414,9 +414,14 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page
 static inline void __flush_icache_all(void)
 {
+#ifdef CONFIG_ARM_ERRATA_411920
+        extern void v6_icache_inval_all(void);
+        v6_icache_inval_all();
+#else
        asm("mcr        p15, 0, %0, c7, c5, 0   @ invalidate I-cache\n"
            :
            : "r" (0));
+#endif
 }
 #define ARCH_HAS_FLUSH_ANON_PAGE
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 1423a3419789..2a573d4fea24 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -1,7 +1,7 @@
 /*
 *  linux/arch/arm/kernel/signal.c
 *
- *  Copyright (C) 1995-2002 Russell King
+ *  Copyright (C) 1995-2009 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
@@ -29,6 +29,7 @@
 */
 #define SWI_SYS_SIGRETURN       (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE))
 #define SWI_SYS_RT_SIGRETURN    (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE))
+#define SWI_SYS_RESTART         (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE)
 /*
 * With EABI, the syscall number has to be loaded into r7.
@@ -49,6 +50,18 @@ const unsigned long sigreturn_codes[7] = {
 };
 /*
+ * Either we support OABI only, or we have EABI with the OABI
+ * compat layer enabled.  In the later case we don't know if
+ * user space is EABI or not, and if not we must not clobber r7.
+ * Always using the OABI syscall solves that issue and works for
+ * all those cases.
+ */
+const unsigned long syscall_restart_code[2] = {
+        SWI_SYS_RESTART,        /* swi  __NR_restart_syscall */
+        0xe49df004,             /* ldr  pc, [sp], #4 */
+};
+/*
 * atomically swap in the new signal mask, and wait for a signal.
 */
 asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask)
@@ -645,32 +658,12 @@ static void do_signal(struct pt_regs *regs, int syscall)
                                regs->ARM_pc -= 4;
 #else
                                u32 __user *usp;
-                                u32 swival = __NR_restart_syscall;
-                                regs->ARM_sp -= 12;
+                                regs->ARM_sp -= 4;
                                usp = (u32 __user *)regs->ARM_sp;
-                                /*
+                                put_user(regs->ARM_pc, usp);
-                                 * Either we supports OABI only, or we have
+                                regs->ARM_pc = KERN_RESTART_CODE;
-                                 * EABI with the OABI compat layer enabled.
-                                 * In the later case we don't know if user
-                                 * space is EABI or not, and if not we must
-                                 * not clobber r7.  Always using the OABI
-                                 * syscall solves that issue and works for
-                                 * all those cases.
-                                 */
-                                swival = swival - __NR_SYSCALL_BASE + __NR_OABI_SYSCALL_BASE;
-                                put_user(regs->ARM_pc, &usp[0]);
-                                /* swi __NR_restart_syscall */
-                                put_user(0xef000000 | swival, &usp[1]);
-                                /* ldr  pc, [sp], #12 */
-                                put_user(0xe49df00c, &usp[2]);
-                                flush_icache_range((unsigned long)usp,
-                                                   (unsigned long)(usp + 3));
-                                regs->ARM_pc = regs->ARM_sp + 4;
 #endif
                        }
                }
diff --git a/arch/arm/kernel/signal.h b/arch/arm/kernel/signal.h
index 27beece15502..6fcfe8398aa4 100644
--- a/arch/arm/kernel/signal.h
+++ b/arch/arm/kernel/signal.h
@@ -1,12 +1,14 @@
 /*
 *  linux/arch/arm/kernel/signal.h
 *
- *  Copyright (C) 2005 Russell King.
+ *  Copyright (C) 2005-2009 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.
 */
 #define KERN_SIGRETURN_CODE     (CONFIG_VECTORS_BASE + 0x00000500)
+#define KERN_RESTART_CODE       (KERN_SIGRETURN_CODE + sizeof(sigreturn_codes))
 extern const unsigned long sigreturn_codes[7];
+extern const unsigned long syscall_restart_code[2];
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index f838f36eb702..95718a6b50a6 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -1,7 +1,7 @@
 /*
 *  linux/arch/arm/kernel/traps.c
 *
- *  Copyright (C) 1995-2002 Russell King
+ *  Copyright (C) 1995-2009 Russell King
 *  Fragments that appear the same as linux/arch/i386/kernel/traps.c (C) Linus Torvalds
 *
 * This program is free software; you can redistribute it and/or modify
@@ -751,6 +751,8 @@ void __init early_trap_init(void)
         */
        memcpy((void *)KERN_SIGRETURN_CODE, sigreturn_codes,
               sizeof(sigreturn_codes));
+        memcpy((void *)KERN_RESTART_CODE, syscall_restart_code,
+               sizeof(syscall_restart_code));
        flush_icache_range(vectors, vectors + PAGE_SIZE);
        modify_domain(DOMAIN_USER, DOMAIN_CLIENT);
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 39baf1128bfa..786ac2b6914a 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -26,6 +26,15 @@
 * http://infocenter.arm.com/help/topic/com.arm.doc.subset.swdev.abi/index.html
 */
+#if !defined (__ARM_EABI__)
+#warning Your compiler does not have EABI support.
+#warning    ARM unwind is known to compile only with EABI compilers.
+#warning    Change compiler or disable ARM_UNWIND option.
+#elif (__GNUC__ == 4 && __GNUC_MINOR__ <= 2)
+#warning Your compiler is too buggy; it is known to not compile ARM unwind support.
+#warning    Change compiler or disable ARM_UNWIND option.
+#endif
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index 34a9502c48bc..c22df30ed5e5 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -25,6 +25,8 @@
 #define ARCH_ID_AT91SAM9G20     0x019905a0
 #define ARCH_ID_AT91SAM9RL64    0x019b03a0
 #define ARCH_ID_AT91SAM9G45     0x819b05a0
+#define ARCH_ID_AT91SAM9G45MRL  0x819b05a2      /* aka 9G45-ES2 & non ES lots */
+#define ARCH_ID_AT91SAM9G45ES   0x819b05a1      /* 9G45-ES (Engineering Sample) */
 #define ARCH_ID_AT91CAP9        0x039A03A0
 #define ARCH_ID_AT91SAM9XE128   0x329973a0
@@ -41,6 +43,11 @@ static inline unsigned long at91_cpu_identify(void)
        return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
 }
+static inline unsigned long at91_cpu_fully_identify(void)
+{
+        return at91_sys_read(AT91_DBGU_CIDR);
+}
 #define ARCH_EXID_AT91SAM9M11   0x00000001
 #define ARCH_EXID_AT91SAM9M10   0x00000002
 #define ARCH_EXID_AT91SAM9G45   0x00000004
@@ -118,8 +125,10 @@ static inline unsigned long at91cap9_rev_identify(void)
 #ifdef CONFIG_ARCH_AT91SAM9G45
 #define cpu_is_at91sam9g45()    (at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
+#define cpu_is_at91sam9g45es()  (at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
 #else
 #define cpu_is_at91sam9g45()    (0)
+#define cpu_is_at91sam9g45es()  (0)
 #endif
 #ifdef CONFIG_ARCH_AT91CAP9
diff --git a/arch/arm/mach-integrator/include/mach/memory.h b/arch/arm/mach-integrator/include/mach/memory.h
index 2b2e7a110724..4891828454f5 100644
--- a/arch/arm/mach-integrator/include/mach/memory.h
+++ b/arch/arm/mach-integrator/include/mach/memory.h
@@ -28,5 +28,6 @@
 #define BUS_OFFSET      UL(0x80000000)
 #define __virt_to_bus(x)        ((x) - PAGE_OFFSET + BUS_OFFSET)
 #define __bus_to_virt(x)        ((x) - BUS_OFFSET + PAGE_OFFSET)
+#define __pfn_to_bus(x)         (((x) << PAGE_SHIFT) + BUS_OFFSET)
 #endif
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index 46cd6acb4d40..699671fa6e0b 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -61,5 +61,5 @@ extern void realview_timer_init(unsigned int timer_irq);
 extern int realview_flash_register(struct resource *res, u32 num);
 extern int realview_eth_register(const char *name, struct resource *res);
 extern int realview_usb_register(struct resource *res);
+extern void (*realview_reset)(char);
 #endif
diff --git a/arch/arm/mach-realview/include/mach/board-pb1176.h b/arch/arm/mach-realview/include/mach/board-pb1176.h
index 98f8e7eeacc2..34b80b7d40b8 100644
--- a/arch/arm/mach-realview/include/mach/board-pb1176.h
+++ b/arch/arm/mach-realview/include/mach/board-pb1176.h
@@ -73,4 +73,9 @@
 #define REALVIEW_PB1176_GIC_DIST_BASE           0x10041000 /* GIC distributor, on FPGA */
 #define REALVIEW_PB1176_L220_BASE               0x10110000 /* L220 registers */
+/*
+ * Control register SYS_RESETCTL is set to 1 to force a soft reset
+ */
+#define REALVIEW_PB1176_SYS_LOCKVAL_RSTCTL    0x0100
 #endif  /* __ASM_ARCH_BOARD_PB1176_H */
diff --git a/arch/arm/mach-realview/include/mach/board-pb11mp.h b/arch/arm/mach-realview/include/mach/board-pb11mp.h
index f0d68e0fea01..7abf918b77e9 100644
--- a/arch/arm/mach-realview/include/mach/board-pb11mp.h
+++ b/arch/arm/mach-realview/include/mach/board-pb11mp.h
@@ -81,4 +81,16 @@
 #define REALVIEW_TC11MP_GIC_DIST_BASE           0x1F001000      /* Test chip interrupt controller distributor */
 #define REALVIEW_TC11MP_L220_BASE               0x1F002000      /* L220 registers */
+ /*
+ * Values for REALVIEW_SYS_RESET_CTRL
+ */
+#define REALVIEW_PB11MP_SYS_CTRL_RESET_CONFIGCLR    0x01
+#define REALVIEW_PB11MP_SYS_CTRL_RESET_CONFIGINIT   0x02
+#define REALVIEW_PB11MP_SYS_CTRL_RESET_DLLRESET     0x03
+#define REALVIEW_PB11MP_SYS_CTRL_RESET_PLLRESET     0x04
+#define REALVIEW_PB11MP_SYS_CTRL_RESET_POR          0x05
+#define REALVIEW_PB11MP_SYS_CTRL_RESET_DoC          0x06
+#define REALVIEW_PB11MP_SYS_CTRL_LED         (1 << 0)
 #endif  /* __ASM_ARCH_BOARD_PB11MP_H */
diff --git a/arch/arm/mach-realview/include/mach/platform.h b/arch/arm/mach-realview/include/mach/platform.h
index c8f50835fed2..4f46bf71e752 100644
--- a/arch/arm/mach-realview/include/mach/platform.h
+++ b/arch/arm/mach-realview/include/mach/platform.h
@@ -119,19 +119,6 @@
 #define REALVIEW_SYS_TEST_OSC3               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
 #define REALVIEW_SYS_TEST_OSC4               (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
-/* 
- * Values for REALVIEW_SYS_RESET_CTRL
- */
-#define REALVIEW_SYS_CTRL_RESET_CONFIGCLR    0x01
-#define REALVIEW_SYS_CTRL_RESET_CONFIGINIT   0x02
-#define REALVIEW_SYS_CTRL_RESET_DLLRESET     0x03
-#define REALVIEW_SYS_CTRL_RESET_PLLRESET     0x04
-#define REALVIEW_SYS_CTRL_RESET_POR          0x05
-#define REALVIEW_SYS_CTRL_RESET_DoC          0x06
-#define REALVIEW_SYS_CTRL_LED         (1 << 0)
 /* ------------------------------------------------------------------------
 *  RealView control registers
 * ------------------------------------------------------------------------
@@ -153,7 +140,7 @@
 *     SYS_CLD, SYS_BOOTCS
 */
 #define REALVIEW_SYS_LOCK_LOCKED    (1 << 16)
-#define REALVIEW_SYS_LOCKVAL_MASK       0xFFFF          /* write 0xA05F to enable write access */
+#define REALVIEW_SYS_LOCKVAL_MASK       0xA05F         /* Enable write access */
 /*
 * REALVIEW_SYS_FLASH
diff --git a/arch/arm/mach-realview/include/mach/system.h b/arch/arm/mach-realview/include/mach/system.h
index 1a15a441e027..a30f2e3ec178 100644
--- a/arch/arm/mach-realview/include/mach/system.h
+++ b/arch/arm/mach-realview/include/mach/system.h
@@ -25,6 +25,8 @@
 #include <mach/hardware.h>
 #include <mach/platform.h>
+void (*realview_reset)(char mode);
 static inline void arch_idle(void)
 {
        /*
@@ -36,16 +38,12 @@ static inline void arch_idle(void)
 static inline void arch_reset(char mode, const char *cmd)
 {
-        void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_RESETCTL_OFFSET;
-        unsigned int val;
        /*
         * To reset, we hit the on-board reset register
         * in the system FPGA
         */
-        val = __raw_readl(hdr_ctrl);
+        if (realview_reset)
-        val |= REALVIEW_SYS_CTRL_RESET_CONFIGCLR;
+                realview_reset(mode);
-        __raw_writel(val, hdr_ctrl);
 }
 #endif
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 2817fe099319..a6ba147692c1 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -290,6 +290,16 @@ static struct sys_timer realview_pb1176_timer = {
        .init           = realview_pb1176_timer_init,
 };
+static void realview_pb1176_reset(char mode)
+{
+        void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) +
+                REALVIEW_SYS_RESETCTL_OFFSET;
+        void __iomem *rst_hdr_ctrl = __io_address(REALVIEW_SYS_BASE) +
+                REALVIEW_SYS_LOCK_OFFSET;
+        __raw_writel(REALVIEW_SYS_LOCKVAL_MASK, rst_hdr_ctrl);
+        __raw_writel(REALVIEW_PB1176_SYS_LOCKVAL_RSTCTL, hdr_ctrl);
+}
 static void __init realview_pb1176_init(void)
 {
        int i;
@@ -313,6 +323,7 @@ static void __init realview_pb1176_init(void)
 #ifdef CONFIG_LEDS
        leds_event = realview_leds_event;
 #endif
+        realview_reset = realview_pb1176_reset;
 }
 MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176")
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 94680fcf726d..070d284ce96e 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -299,6 +299,21 @@ static struct sys_timer realview_pb11mp_timer = {
        .init           = realview_pb11mp_timer_init,
 };
+static void realview_pb11mp_reset(char mode)
+{
+        void __iomem *hdr_ctrl = __io_address(REALVIEW_SYS_BASE) +
+                REALVIEW_SYS_RESETCTL_OFFSET;
+        unsigned int val;
+        /*
+         * To reset, we hit the on-board reset register
+         * in the system FPGA
+         */
+        val = __raw_readl(hdr_ctrl);
+        val |= REALVIEW_PB11MP_SYS_CTRL_RESET_CONFIGCLR;
+        __raw_writel(val, hdr_ctrl);
+}
 static void __init realview_pb11mp_init(void)
 {
        int i;
@@ -324,6 +339,7 @@ static void __init realview_pb11mp_init(void)
 #ifdef CONFIG_LEDS
        leds_event = realview_leds_event;
 #endif
+        realview_reset = realview_pb11mp_reset;
 }
 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c
index 7974afca297c..9664e011dae2 100644
--- a/arch/arm/mach-s3c2410/gpio.c
+++ b/arch/arm/mach-s3c2410/gpio.c
@@ -28,6 +28,7 @@
 #include <linux/io.h>
 #include <mach/hardware.h>
+#include <mach/gpio-fns.h>
 #include <asm/irq.h>
 #include <mach/regs-gpio.h>
diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h
index c3a2629e0ded..92e2687009ea 100644
--- a/arch/arm/mach-s3c2410/include/mach/dma.h
+++ b/arch/arm/mach-s3c2410/include/mach/dma.h
@@ -110,6 +110,8 @@ enum s3c2410_dma_loadst {
                                            * waiting for reloads */
 #define S3C2410_DMAF_AUTOSTART    (1<<1)   /* auto-start if buffer queued */
+#define S3C2410_DMAF_CIRCULAR   (1 << 2)        /* no circular dma support */
 /* dma buffer */
 struct s3c2410_dma_buf;
@@ -194,4 +196,9 @@ struct s3c2410_dma_chan {
 typedef unsigned long dma_device_t;
+static inline bool s3c_dma_has_circular(void)
+{
+        return false;
+}
 #endif /* __ASM_ARCH_DMA_H */
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index d7bba919a77e..a8b69d77571b 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -103,6 +103,7 @@ config MACH_MINI2440
        select LEDS_TRIGGER_BACKLIGHT
        select SND_S3C24XX_SOC_S3C24XX_UDA134X
        select S3C_DEV_NAND
+        select S3C_DEV_USB_HOST
        help
          Say Y here to select support for the MINI2440. Is a 10cm x 10cm board
          available via various sources. It can come with a 3.5" or 7" touch LCD.
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index ec71a6965786..1c3382fefdd2 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -144,7 +144,7 @@ static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = {
        .type           = (S3C2410_LCDCON1_TFT16BPP |\
                           S3C2410_LCDCON1_TFT)
-struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
+static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
        [0] = { /* mini2440 + 3.5" TFT + touchscreen */
                _LCD_DECLARE(
                        7,                      /* The 3.5 is quite fast */
@@ -191,7 +191,7 @@ struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = {
 #define S3C2410_GPCCON_MASK(x)  (3 << ((x) * 2))
 #define S3C2410_GPDCON_MASK(x)  (3 << ((x) * 2))
-struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
+static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
        .displays        = &mini2440_lcd_cfg[0], /* not constant! see init */
        .num_displays    = 1,
        .default_display = 0,
diff --git a/arch/arm/mach-s3c6400/include/mach/dma.h b/arch/arm/mach-s3c6400/include/mach/dma.h
index 1067619f0ba0..004edab23954 100644
--- a/arch/arm/mach-s3c6400/include/mach/dma.h
+++ b/arch/arm/mach-s3c6400/include/mach/dma.h
@@ -68,6 +68,11 @@ static __inline__ int s3c_dma_has_circular(void)
 #define S3C2410_DMAF_CIRCULAR           (1 << 0)
+static inline bool s3c_dma_has_circular(void)
+{
+        return false;
+}
 #include <plat/dma.h>
 #endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 6bda76a43199..a9e22e31eaa1 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -50,10 +50,7 @@ void __new_context(struct mm_struct *mm)
                isb();
                flush_tlb_all();
                if (icache_is_vivt_asid_tagged()) {
-                        asm("mcr        p15, 0, %0, c7, c5, 0   @ invalidate I-cache\n"
+                        __flush_icache_all();
-                            "mcr        p15, 0, %0, c7, c5, 6   @ flush BTAC/BTB\n"
-                            :
-                            : "r" (0));
                        dsb();
                }
        }
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index b30925fcbcdc..b9590a7085ca 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -205,7 +205,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
        order = get_order(size);
-        if (mask != 0xffffffff)
+        if (mask < 0xffffffffULL)
                gfp |= GFP_DMA;
        page = alloc_pages(gfp, order);
@@ -289,7 +289,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
        if (!mask)
                goto error;
-        if (mask != 0xffffffff)
+        if (mask < 0xffffffffULL)
                gfp |= GFP_DMA;
        virt = kmalloc(size, gfp);
        if (!virt)
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index b27942909b23..7f294f307c83 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -18,10 +18,6 @@
 #include "mm.h"
-#ifdef CONFIG_ARM_ERRATA_411920
-extern void v6_icache_inval_all(void);
-#endif
 #ifdef CONFIG_CPU_CACHE_VIPT
 #define ALIAS_FLUSH_START       0xffff4000
@@ -35,16 +31,11 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr)
        flush_tlb_kernel_page(to);
        asm(    "mcrr   p15, 0, %1, %0, c14\n"
-        "       mcr     p15, 0, %2, c7, c10, 4\n"
+        "       mcr     p15, 0, %2, c7, c10, 4"
-#ifndef CONFIG_ARM_ERRATA_411920
-        "       mcr     p15, 0, %2, c7, c5, 0\n"
-#endif
            :
            : "r" (to), "r" (to + PAGE_SIZE - L1_CACHE_BYTES), "r" (zero)
            : "cc");
-#ifdef CONFIG_ARM_ERRATA_411920
+        __flush_icache_all();
-        v6_icache_inval_all();
-#endif
 }
 void flush_cache_mm(struct mm_struct *mm)
@@ -57,16 +48,11 @@ void flush_cache_mm(struct mm_struct *mm)
        if (cache_is_vipt_aliasing()) {
                asm(    "mcr    p15, 0, %0, c7, c14, 0\n"
-                "       mcr     p15, 0, %0, c7, c10, 4\n"
+                "       mcr     p15, 0, %0, c7, c10, 4"
-#ifndef CONFIG_ARM_ERRATA_411920
-                "       mcr     p15, 0, %0, c7, c5, 0\n"
-#endif
                    :
                    : "r" (0)
                    : "cc");
-#ifdef CONFIG_ARM_ERRATA_411920
+                __flush_icache_all();
-                v6_icache_inval_all();
-#endif
        }
 }
@@ -81,16 +67,11 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned
        if (cache_is_vipt_aliasing()) {
                asm(    "mcr    p15, 0, %0, c7, c14, 0\n"
-                "       mcr     p15, 0, %0, c7, c10, 4\n"
+                "       mcr     p15, 0, %0, c7, c10, 4"
-#ifndef CONFIG_ARM_ERRATA_411920
-                "       mcr     p15, 0, %0, c7, c5, 0\n"
-#endif
                    :
                    : "r" (0)
                    : "cc");
-#ifdef CONFIG_ARM_ERRATA_411920
+                __flush_icache_all();
-                v6_icache_inval_all();
-#endif
        }
 }
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 40940d7ce4ff..52c40d155672 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -273,7 +273,6 @@ static void __init bootmem_init_node(int node, struct meminfo *mi,
                struct membank *bank = &mi->bank[i];
                if (!bank->highmem)
                        free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank));
-                memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
        }
        /*
@@ -370,6 +369,19 @@ int pfn_valid(unsigned long pfn)
        return 0;
 }
 EXPORT_SYMBOL(pfn_valid);
+static void arm_memory_present(struct meminfo *mi, int node)
+{
+}
+#else
+static void arm_memory_present(struct meminfo *mi, int node)
+{
+        int i;
+        for_each_nodebank(i, mi, node) {
+                struct membank *bank = &mi->bank[i];
+                memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
+        }
+}
 #endif
 static int __init meminfo_cmp(const void *_a, const void *_b)
@@ -427,6 +439,12 @@ void __init bootmem_init(void)
                 */
                if (node == initrd_node)
                        bootmem_reserve_initrd(node);
+                /*
+                 * Sparsemem tries to allocate bootmem in memory_present(),
+                 * so must be done after the fixed reservations
+                 */
+                arm_memory_present(mi, node);
        }
        /*
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 02243eeccf50..ea67be0223ac 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -117,6 +117,13 @@ static void __init early_cachepolicy(char **p)
        }
        if (i == ARRAY_SIZE(cache_policies))
                printk(KERN_ERR "ERROR: unknown or unsupported cache policy\n");
+        /*
+         * This restriction is partly to do with the way we boot; it is
+         * unpredictable to have memory mapped using two different sets of
+         * memory attributes (shared, type, and cache attribs).  We can not
+         * change these attributes once the initial assembly has setup the
+         * page tables.
+         */
        if (cpu_architecture() >= CPU_ARCH_ARMv6) {
                printk(KERN_WARNING "Only cachepolicy=writeback supported on ARMv6 and later\n");
                cachepolicy = CPOLICY_WRITEBACK;
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 194737d60a22..70f75d2e3ead 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -32,8 +32,10 @@
 #ifndef CONFIG_SMP
 #define TTB_FLAGS       TTB_RGN_WBWA
+#define PMD_FLAGS       PMD_SECT_WB
 #else
 #define TTB_FLAGS       TTB_RGN_WBWA|TTB_S
+#define PMD_FLAGS       PMD_SECT_WBWA|PMD_SECT_S
 #endif
 ENTRY(cpu_v6_proc_init)
@@ -222,10 +224,9 @@ __v6_proc_info:
        .long   0x0007b000
        .long   0x0007f000
        .long   PMD_TYPE_SECT | \
-                PMD_SECT_BUFFERABLE | \
-                PMD_SECT_CACHEABLE | \
                PMD_SECT_AP_WRITE | \
-                PMD_SECT_AP_READ
+                PMD_SECT_AP_READ | \
+                PMD_FLAGS
        .long   PMD_TYPE_SECT | \
                PMD_SECT_XN | \
                PMD_SECT_AP_WRITE | \
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 23ebcf6eab9f..eeeed01ee44a 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -33,9 +33,11 @@
 #ifndef CONFIG_SMP
 /* PTWs cacheable, inner WB not shareable, outer WB not shareable */
 #define TTB_FLAGS       TTB_IRGN_WB|TTB_RGN_OC_WB
+#define PMD_FLAGS       PMD_SECT_WB
 #else
 /* PTWs cacheable, inner WBWA shareable, outer WBWA not shareable */
 #define TTB_FLAGS       TTB_IRGN_WBWA|TTB_S|TTB_NOS|TTB_RGN_OC_WBWA
+#define PMD_FLAGS       PMD_SECT_WBWA|PMD_SECT_S
 #endif
 ENTRY(cpu_v7_proc_init)
@@ -326,10 +328,9 @@ __v7_proc_info:
        .long   0x000f0000              @ Required ID value
        .long   0x000f0000              @ Mask for ID
        .long   PMD_TYPE_SECT | \
-                PMD_SECT_BUFFERABLE | \
-                PMD_SECT_CACHEABLE | \
                PMD_SECT_AP_WRITE | \
-                PMD_SECT_AP_READ
+                PMD_SECT_AP_READ | \
+                PMD_FLAGS
        .long   PMD_TYPE_SECT | \
                PMD_SECT_XN | \
                PMD_SECT_AP_WRITE | \
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c
index 4d36b784fb8b..df47322492d5 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-s3c24xx/adc.c
@@ -189,7 +189,7 @@ int s3c_adc_read(struct s3c_adc_client *client, unsigned int ch)
 err:
        return ret;
 }
-EXPORT_SYMBOL_GPL(s3c_adc_convert);
+EXPORT_SYMBOL_GPL(s3c_adc_read);
 static void s3c_adc_default_select(struct s3c_adc_client *client,
                                   unsigned select)
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 5447e60f3936..4af9dd948793 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -61,6 +61,7 @@ static const char name_s3c2410[]  = "S3C2410";
 static const char name_s3c2412[]  = "S3C2412";
 static const char name_s3c2440[]  = "S3C2440";
 static const char name_s3c2442[]  = "S3C2442";
+static const char name_s3c2442b[]  = "S3C2442B";
 static const char name_s3c2443[]  = "S3C2443";
 static const char name_s3c2410a[] = "S3C2410A";
 static const char name_s3c2440a[] = "S3C2440A";
@@ -112,6 +113,15 @@ static struct cpu_table cpu_ids[] __initdata = {
                .name           = name_s3c2442
        },
        {
+                .idcode         = 0x32440aab,
+                .idmask         = 0xffffffff,
+                .map_io         = s3c244x_map_io,
+                .init_clocks    = s3c244x_init_clocks,
+                .init_uarts     = s3c244x_init_uarts,
+                .init           = s3c2442_init,
+                .name           = name_s3c2442b
+        },
+        {
                .idcode         = 0x32412001,
                .idmask         = 0xffffffff,
                .map_io         = s3c2412_map_io,
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 196b19123653..f046f8c51084 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -208,14 +208,14 @@ s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan,
 {
        unsigned long reload;
-        pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n",
-                 buf, (unsigned long)buf->data, buf->size);
        if (buf == NULL) {
                dmawarn("buffer is NULL\n");
                return -EINVAL;
        }
+        pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n",
+                 buf, (unsigned long)buf->data, buf->size);
        /* check the state of the channel before we do anything */
        if (chan->load_state == S3C2410_DMALOAD_1LOADED) {
diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c
index 95df059b5a1d..5467470badfd 100644
--- a/arch/arm/plat-s3c24xx/gpio.c
+++ b/arch/arm/plat-s3c24xx/gpio.c
@@ -29,6 +29,7 @@
 #include <linux/io.h>
 #include <mach/hardware.h>
+#include <mach/gpio-fns.h>
 #include <asm/irq.h>
 #include <mach/regs-gpio.h>
diff --git a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
index efeb025affc7..c776120b99e6 100644
--- a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
+++ b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
@@ -222,7 +222,9 @@ extern struct clk *s3c_cpufreq_clk_get(struct device *, const char *);
 /* S3C2410 and compatible exported functions */
 extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg);
+extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg);
+#ifdef CONFIG_S3C2410_IOTIMING
 extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg,
                                 struct s3c_iotimings *iot);
@@ -231,8 +233,11 @@ extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg,
 extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
                                 struct s3c_iotimings *iot);
+#else
-extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg);
+#define s3c2410_iotiming_calc NULL
+#define s3c2410_iotiming_get NULL
+#define s3c2410_iotiming_set NULL
+#endif /* CONFIG_S3C2410_IOTIMING */
 /* S3C2412 compatible routines */
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h
index b6deeef8f663..82ab4aad1bbe 100644
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2410.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c2410.h
@@ -27,6 +27,7 @@ extern void s3c2410_init_clocks(int xtal);
 #define s3c2410_init_uarts NULL
 #define s3c2410_map_io NULL
 #define s3c2410_init NULL
+#define s3c2410a_init NULL
 #endif
 extern int s3c2410_baseclk_add(void);
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
index a8777a755dfa..ff46e7fa957a 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
+++ b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
@@ -51,8 +51,8 @@
 #define S3C6400_CLKDIV0_HCLK_SHIFT      (8)
 #define S3C6400_CLKDIV0_MPLL_MASK       (0x1 << 4)
 #define S3C6400_CLKDIV0_MPLL_SHIFT      (4)
-#define S3C6400_CLKDIV0_ARM_MASK        (0x3 << 0)
+#define S3C6400_CLKDIV0_ARM_MASK        (0x7 << 0)
-#define S3C6410_CLKDIV0_ARM_MASK        (0x7 << 0)
+#define S3C6410_CLKDIV0_ARM_MASK        (0xf << 0)
 #define S3C6400_CLKDIV0_ARM_SHIFT       (0)
 /* CLKDIV1 */
diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c
index 9745852261e0..6ffa21eb1b91 100644
--- a/arch/arm/plat-s3c64xx/s3c6400-clock.c
+++ b/arch/arm/plat-s3c64xx/s3c6400-clock.c
@@ -677,6 +677,9 @@ void __init_or_cpufreq s3c6400_setup_clocks(void)
        printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
+        /* For now assume the mux always selects the crystal */
+        clk_ext_xtal_mux.parent = xtal_clk;
        epll = s3c6400_get_epll(xtal);
        mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON));
        apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON));
diff --git a/arch/avr32/mach-at32ap/include/mach/cpu.h b/arch/avr32/mach-at32ap/include/mach/cpu.h
index 44d0bfa1f409..9c96a130f3a8 100644
--- a/arch/avr32/mach-at32ap/include/mach/cpu.h
+++ b/arch/avr32/mach-at32ap/include/mach/cpu.h
@@ -31,5 +31,8 @@
 #define cpu_is_at91sam9263()    (0)
 #define cpu_is_at91sam9rl()     (0)
 #define cpu_is_at91cap9()       (0)
+#define cpu_is_at91sam9g10()    (0)
+#define cpu_is_at91sam9g45()    (0)
+#define cpu_is_at91sam9g45es()  (0)
 #endif /* __ASM_ARCH_CPU_H */
diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h
index 30bb930e1111..239ecdc9516d 100644
--- a/arch/ia64/include/asm/spinlock.h
+++ b/arch/ia64/include/asm/spinlock.h
@@ -25,61 +25,82 @@
 * by atomically noting the tail and incrementing it by one (thus adding
 * ourself to the queue and noting our position), then waiting until the head
 * becomes equal to the the initial value of the tail.
+ * The pad bits in the middle are used to prevent the next_ticket number
+ * overflowing into the now_serving number.
 *
- *   63                     32  31                      0
+ *   31             17  16    15  14                    0
 *  +----------------------------------------------------+
- *  |  next_ticket_number      |     now_serving         |
+ *  |  now_serving     | padding |   next_ticket         |
 *  +----------------------------------------------------+
 */
-#define TICKET_SHIFT    32
+#define TICKET_SHIFT    17
+#define TICKET_BITS     15
+#define TICKET_MASK     ((1 << TICKET_BITS) - 1)
 static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
 {
-        int     *p = (int *)&lock->lock, turn, now_serving;
+        int     *p = (int *)&lock->lock, ticket, serve;
-        now_serving = *p;
+        ticket = ia64_fetchadd(1, p, acq);
-        turn = ia64_fetchadd(1, p+1, acq);
-        if (turn == now_serving)
+        if (!(((ticket >> TICKET_SHIFT) ^ ticket) & TICKET_MASK))
                return;
-        do {
+        ia64_invala();
+        for (;;) {
+                asm volatile ("ld4.c.nc %0=[%1]" : "=r"(serve) : "r"(p) : "memory");
+                if (!(((serve >> TICKET_SHIFT) ^ ticket) & TICKET_MASK))
+                        return;
                cpu_relax();
-        } while (ACCESS_ONCE(*p) != turn);
+        }
 }
 static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
 {
-        long tmp = ACCESS_ONCE(lock->lock), try;
+        int tmp = ACCESS_ONCE(lock->lock);
-        if (!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1))) {
-                try = tmp + (1L << TICKET_SHIFT);
-                return ia64_cmpxchg(acq, &lock->lock, tmp, try, sizeof (tmp)) == tmp;
+        if (!(((tmp >> TICKET_SHIFT) ^ tmp) & TICKET_MASK))
-        }
+                return ia64_cmpxchg(acq, &lock->lock, tmp, tmp + 1, sizeof (tmp)) == tmp;
        return 0;
 }
 static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock)
 {
-        int     *p = (int *)&lock->lock;
+        unsigned short  *p = (unsigned short *)&lock->lock + 1, tmp;
-        (void)ia64_fetchadd(1, p, rel);
+        asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p));
+        ACCESS_ONCE(*p) = (tmp + 2) & ~1;
+}
+static __always_inline void __ticket_spin_unlock_wait(raw_spinlock_t *lock)
+{
+        int     *p = (int *)&lock->lock, ticket;
+        ia64_invala();
+        for (;;) {
+                asm volatile ("ld4.c.nc %0=[%1]" : "=r"(ticket) : "r"(p) : "memory");
+                if (!(((ticket >> TICKET_SHIFT) ^ ticket) & TICKET_MASK))
+                        return;
+                cpu_relax();
+        }
 }
 static inline int __ticket_spin_is_locked(raw_spinlock_t *lock)
 {
        long tmp = ACCESS_ONCE(lock->lock);
-        return !!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1L << TICKET_SHIFT) - 1));
+        return !!(((tmp >> TICKET_SHIFT) ^ tmp) & TICKET_MASK);
 }
 static inline int __ticket_spin_is_contended(raw_spinlock_t *lock)
 {
        long tmp = ACCESS_ONCE(lock->lock);
-        return (((tmp >> TICKET_SHIFT) - tmp) & ((1L << TICKET_SHIFT) - 1)) > 1;
+        return ((tmp - (tmp >> TICKET_SHIFT)) & TICKET_MASK) > 1;
 }
 static inline int __raw_spin_is_locked(raw_spinlock_t *lock)
@@ -116,8 +137,7 @@ static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock,
 static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
 {
-        while (__raw_spin_is_locked(lock))
+        __ticket_spin_unlock_wait(lock);
-                cpu_relax();
 }
 #define __raw_read_can_lock(rw)         (*(volatile int *)(rw) >= 0)
diff --git a/arch/ia64/include/asm/spinlock_types.h b/arch/ia64/include/asm/spinlock_types.h
index b61d136d9bc2..474e46f1ab4a 100644
--- a/arch/ia64/include/asm/spinlock_types.h
+++ b/arch/ia64/include/asm/spinlock_types.h
@@ -6,7 +6,7 @@
 #endif
 typedef struct {
-        volatile unsigned long lock;
+        volatile unsigned int lock;
 } raw_spinlock_t;
 #define __RAW_SPIN_LOCK_UNLOCKED        { 0 }
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index d2877a7bfe2e..496ac7a99488 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -887,6 +887,60 @@ ia64_mca_modify_comm(const struct task_struct *previous_current)
        memcpy(current->comm, comm, sizeof(current->comm));
 }
+static void
+finish_pt_regs(struct pt_regs *regs, const pal_min_state_area_t *ms,
+                unsigned long *nat)
+{
+        const u64 *bank;
+        /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use
+         * pmsa_{xip,xpsr,xfs}
+         */
+        if (ia64_psr(regs)->ic) {
+                regs->cr_iip = ms->pmsa_iip;
+                regs->cr_ipsr = ms->pmsa_ipsr;
+                regs->cr_ifs = ms->pmsa_ifs;
+        } else {
+                regs->cr_iip = ms->pmsa_xip;
+                regs->cr_ipsr = ms->pmsa_xpsr;
+                regs->cr_ifs = ms->pmsa_xfs;
+        }
+        regs->pr = ms->pmsa_pr;
+        regs->b0 = ms->pmsa_br0;
+        regs->ar_rsc = ms->pmsa_rsc;
+        copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, &regs->r1, nat);
+        copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, &regs->r2, nat);
+        copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, &regs->r3, nat);
+        copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, &regs->r8, nat);
+        copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, &regs->r9, nat);
+        copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, &regs->r10, nat);
+        copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, &regs->r11, nat);
+        copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, &regs->r12, nat);
+        copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, &regs->r13, nat);
+        copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, &regs->r14, nat);
+        copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, &regs->r15, nat);
+        if (ia64_psr(regs)->bn)
+                bank = ms->pmsa_bank1_gr;
+        else
+                bank = ms->pmsa_bank0_gr;
+        copy_reg(&bank[16-16], ms->pmsa_nat_bits, &regs->r16, nat);
+        copy_reg(&bank[17-16], ms->pmsa_nat_bits, &regs->r17, nat);
+        copy_reg(&bank[18-16], ms->pmsa_nat_bits, &regs->r18, nat);
+        copy_reg(&bank[19-16], ms->pmsa_nat_bits, &regs->r19, nat);
+        copy_reg(&bank[20-16], ms->pmsa_nat_bits, &regs->r20, nat);
+        copy_reg(&bank[21-16], ms->pmsa_nat_bits, &regs->r21, nat);
+        copy_reg(&bank[22-16], ms->pmsa_nat_bits, &regs->r22, nat);
+        copy_reg(&bank[23-16], ms->pmsa_nat_bits, &regs->r23, nat);
+        copy_reg(&bank[24-16], ms->pmsa_nat_bits, &regs->r24, nat);
+        copy_reg(&bank[25-16], ms->pmsa_nat_bits, &regs->r25, nat);
+        copy_reg(&bank[26-16], ms->pmsa_nat_bits, &regs->r26, nat);
+        copy_reg(&bank[27-16], ms->pmsa_nat_bits, &regs->r27, nat);
+        copy_reg(&bank[28-16], ms->pmsa_nat_bits, &regs->r28, nat);
+        copy_reg(&bank[29-16], ms->pmsa_nat_bits, &regs->r29, nat);
+        copy_reg(&bank[30-16], ms->pmsa_nat_bits, &regs->r30, nat);
+        copy_reg(&bank[31-16], ms->pmsa_nat_bits, &regs->r31, nat);
+}
 /* On entry to this routine, we are running on the per cpu stack, see
 * mca_asm.h.  The original stack has not been touched by this event.  Some of
 * the original stack's registers will be in the RBS on this stack.  This stack
@@ -921,7 +975,6 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
        u64 r12 = ms->pmsa_gr[12-1], r13 = ms->pmsa_gr[13-1];
        u64 ar_bspstore = regs->ar_bspstore;
        u64 ar_bsp = regs->ar_bspstore + (loadrs >> 16);
-        const u64 *bank;
        const char *msg;
        int cpu = smp_processor_id();
@@ -1024,54 +1077,9 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
        p = (char *)r12 - sizeof(*regs);
        old_regs = (struct pt_regs *)p;
        memcpy(old_regs, regs, sizeof(*regs));
-        /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use
-         * pmsa_{xip,xpsr,xfs}
-         */
-        if (ia64_psr(regs)->ic) {
-                old_regs->cr_iip = ms->pmsa_iip;
-                old_regs->cr_ipsr = ms->pmsa_ipsr;
-                old_regs->cr_ifs = ms->pmsa_ifs;
-        } else {
-                old_regs->cr_iip = ms->pmsa_xip;
-                old_regs->cr_ipsr = ms->pmsa_xpsr;
-                old_regs->cr_ifs = ms->pmsa_xfs;
-        }
-        old_regs->pr = ms->pmsa_pr;
-        old_regs->b0 = ms->pmsa_br0;
        old_regs->loadrs = loadrs;
-        old_regs->ar_rsc = ms->pmsa_rsc;
        old_unat = old_regs->ar_unat;
-        copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, &old_regs->r1, &old_unat);
+        finish_pt_regs(old_regs, ms, &old_unat);
-        copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, &old_regs->r2, &old_unat);
-        copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, &old_regs->r3, &old_unat);
-        copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, &old_regs->r8, &old_unat);
-        copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, &old_regs->r9, &old_unat);
-        copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, &old_regs->r10, &old_unat);
-        copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, &old_regs->r11, &old_unat);
-        copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, &old_regs->r12, &old_unat);
-        copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, &old_regs->r13, &old_unat);
-        copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, &old_regs->r14, &old_unat);
-        copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, &old_regs->r15, &old_unat);
-        if (ia64_psr(old_regs)->bn)
-                bank = ms->pmsa_bank1_gr;
-        else
-                bank = ms->pmsa_bank0_gr;
-        copy_reg(&bank[16-16], ms->pmsa_nat_bits, &old_regs->r16, &old_unat);
-        copy_reg(&bank[17-16], ms->pmsa_nat_bits, &old_regs->r17, &old_unat);
-        copy_reg(&bank[18-16], ms->pmsa_nat_bits, &old_regs->r18, &old_unat);
-        copy_reg(&bank[19-16], ms->pmsa_nat_bits, &old_regs->r19, &old_unat);
-        copy_reg(&bank[20-16], ms->pmsa_nat_bits, &old_regs->r20, &old_unat);
-        copy_reg(&bank[21-16], ms->pmsa_nat_bits, &old_regs->r21, &old_unat);
-        copy_reg(&bank[22-16], ms->pmsa_nat_bits, &old_regs->r22, &old_unat);
-        copy_reg(&bank[23-16], ms->pmsa_nat_bits, &old_regs->r23, &old_unat);
-        copy_reg(&bank[24-16], ms->pmsa_nat_bits, &old_regs->r24, &old_unat);
-        copy_reg(&bank[25-16], ms->pmsa_nat_bits, &old_regs->r25, &old_unat);
-        copy_reg(&bank[26-16], ms->pmsa_nat_bits, &old_regs->r26, &old_unat);
-        copy_reg(&bank[27-16], ms->pmsa_nat_bits, &old_regs->r27, &old_unat);
-        copy_reg(&bank[28-16], ms->pmsa_nat_bits, &old_regs->r28, &old_unat);
-        copy_reg(&bank[29-16], ms->pmsa_nat_bits, &old_regs->r29, &old_unat);
-        copy_reg(&bank[30-16], ms->pmsa_nat_bits, &old_regs->r30, &old_unat);
-        copy_reg(&bank[31-16], ms->pmsa_nat_bits, &old_regs->r31, &old_unat);
        /* Next stack a struct switch_stack.  mca_asm.S built a partial
         * switch_stack, copy it and fill in the blanks using pt_regs and
@@ -1141,6 +1149,8 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
 no_mod:
        mprintk(KERN_INFO "cpu %d, %s %s, original stack not modified\n",
                        smp_processor_id(), type, msg);
+        old_unat = regs->ar_unat;
+        finish_pt_regs(regs, ms, &old_unat);
        return previous_current;
 }
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 6db08599ebbc..776dd40397e2 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -60,7 +60,6 @@ dump (const char *str, void *vp, size_t len)
 */
 int no_unaligned_warning;
 int unaligned_dump_stack;
-static int noprint_warning;
 /*
 * For M-unit:
@@ -1357,9 +1356,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
                        /* watch for command names containing %s */
                        printk(KERN_WARNING "%s", buf);
                } else {
-                        if (no_unaligned_warning && !noprint_warning) {
+                        if (no_unaligned_warning) {
-                                noprint_warning = 1;
+                                printk_once(KERN_WARNING "%s(%d) encountered an "
-                                printk(KERN_WARNING "%s(%d) encountered an "
                                       "unaligned exception which required\n"
                                       "kernel assistance, which degrades "
                                       "the performance of the application.\n"
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index f426dc78d959..ee09d261f2e6 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -100,24 +100,36 @@ wrap_mmu_context (struct mm_struct *mm)
 * this primitive it can be moved up to a spinaphore.h header.
 */
 struct spinaphore {
-        atomic_t        cur;
+        unsigned long   ticket;
+        unsigned long   serve;
 };
 static inline void spinaphore_init(struct spinaphore *ss, int val)
 {
-        atomic_set(&ss->cur, val);
+        ss->ticket = 0;
+        ss->serve = val;
 }
 static inline void down_spin(struct spinaphore *ss)
 {
-        while (unlikely(!atomic_add_unless(&ss->cur, -1, 0)))
+        unsigned long t = ia64_fetchadd(1, &ss->ticket, acq), serve;
-                while (atomic_read(&ss->cur) == 0)
-                        cpu_relax();
+        if (time_before(t, ss->serve))
+                return;
+        ia64_invala();
+        for (;;) {
+                asm volatile ("ld4.c.nc %0=[%1]" : "=r"(serve) : "r"(&ss->serve) : "memory");
+                if (time_before(t, serve))
+                        return;
+                cpu_relax();
+        }
 }
 static inline void up_spin(struct spinaphore *ss)
 {
-        atomic_add(1, &ss->cur);
+        ia64_fetchadd(1, &ss->serve, rel);
 }
 static struct spinaphore ptcg_sem;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 7de76dd352fe..c0fca2c1c858 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -56,10 +56,13 @@ int raw_pci_read(unsigned int seg, unsigned int bus, unsigned int devfn,
        if ((seg | reg) <= 255) {
                addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg);
                mode = 0;
-        } else {
+        } else if (sal_revision >= SAL_VERSION_CODE(3,2)) {
                addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg);
                mode = 1;
+        } else {
+                return -EINVAL;
        }
        result = ia64_sal_pci_config_read(addr, mode, len, &data);
        if (result != 0)
                return -EINVAL;
@@ -80,9 +83,11 @@ int raw_pci_write(unsigned int seg, unsigned int bus, unsigned int devfn,
        if ((seg | reg) <= 255) {
                addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg);
                mode = 0;
-        } else {
+        } else if (sal_revision >= SAL_VERSION_CODE(3,2)) {
                addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg);
                mode = 1;
+        } else {
+                return -EINVAL;
        }
        result = ia64_sal_pci_config_write(addr, mode, len, value);
        if (result != 0)
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 25831c47c579..308e6595110e 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -119,7 +119,6 @@ sn_pcidev_info_get(struct pci_dev *dev)
 * Additionally note that the struct sn_flush_device_war also has to be
 * removed from arch/ia64/sn/include/xtalk/hubdev.h
 */
-static u8 war_implemented = 0;
 static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
                               struct sn_flush_device_common *common)
@@ -128,11 +127,8 @@ static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
        struct sn_flush_device_war *dev_entry;
        struct ia64_sal_retval isrv = {0,0,0,0};
-        if (!war_implemented) {
+        printk_once(KERN_WARNING
-                printk(KERN_WARNING "PROM version < 4.50 -- implementing old "
+                "PROM version < 4.50 -- implementing old PROM flush WAR\n");
-                       "PROM flush WAR\n");
-                war_implemented = 1;
-        }
        war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL);
        BUG_ON(!war_list);
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 4c7e74790958..55ac3c4e11d2 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -786,17 +786,18 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
                break;
        case SN_HWPERF_GET_OBJ_NODE:
-                if (a.sz != sizeof(u64) || a.arg < 0) {
+                i = a.arg;
+                if (a.sz != sizeof(u64) || i < 0) {
                        r = -EINVAL;
                        goto error;
                }
                if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) {
-                        if (a.arg >= nobj) {
+                        if (i >= nobj) {
                                r = -EINVAL;
                                vfree(objs);
                                goto error;
                        }
-                        if (objs[(i = a.arg)].id != a.arg) {
+                        if (objs[i].id != a.arg) {
                                for (i = 0; i < nobj; i++) {
                                        if (objs[i].id == a.arg)
                                                break;
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 705a7a9170f3..03bd56a2fb6e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1012,9 +1012,9 @@ config BOOT_ELF32
 config MIPS_L1_CACHE_SHIFT
        int
-        default "4" if MACH_DECSTATION || MIKROTIK_RB532
+        default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
+        default "6" if MIPS_CPU_SCACHE
        default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
-        default "4" if PMC_MSP4200_EVAL
        default "5"
 config HAVE_STD_PC_SERIAL_PORT
diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c
index c88c821b4c36..d670928afcfd 100644
--- a/arch/mips/alchemy/common/irq.c
+++ b/arch/mips/alchemy/common/irq.c
@@ -354,6 +354,28 @@ static void au1x_ic1_ack(unsigned int irq_nr)
        au_sync();
 }
+static void au1x_ic0_maskack(unsigned int irq_nr)
+{
+        unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+        au_writel(1 << bit, IC0_WAKECLR);
+        au_writel(1 << bit, IC0_MASKCLR);
+        au_writel(1 << bit, IC0_RISINGCLR);
+        au_writel(1 << bit, IC0_FALLINGCLR);
+        au_sync();
+}
+static void au1x_ic1_maskack(unsigned int irq_nr)
+{
+        unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+        au_writel(1 << bit, IC1_WAKECLR);
+        au_writel(1 << bit, IC1_MASKCLR);
+        au_writel(1 << bit, IC1_RISINGCLR);
+        au_writel(1 << bit, IC1_FALLINGCLR);
+        au_sync();
+}
 static int au1x_ic1_setwake(unsigned int irq, unsigned int on)
 {
        unsigned int bit = irq - AU1000_INTC1_INT_BASE;
@@ -379,25 +401,21 @@ static int au1x_ic1_setwake(unsigned int irq, unsigned int on)
 /*
 * irq_chips for both ICs; this way the mask handlers can be
 * as short as possible.
- *
- * NOTE: the ->ack() callback is used by the handle_edge_irq
- *       flowhandler only, the ->mask_ack() one by handle_level_irq,
- *       so no need for an irq_chip for each type of irq (level/edge).
 */
 static struct irq_chip au1x_ic0_chip = {
        .name           = "Alchemy-IC0",
-        .ack            = au1x_ic0_ack,         /* edge */
+        .ack            = au1x_ic0_ack,
        .mask           = au1x_ic0_mask,
-        .mask_ack       = au1x_ic0_mask,        /* level */
+        .mask_ack       = au1x_ic0_maskack,
        .unmask         = au1x_ic0_unmask,
        .set_type       = au1x_ic_settype,
 };
 static struct irq_chip au1x_ic1_chip = {
        .name           = "Alchemy-IC1",
-        .ack            = au1x_ic1_ack,         /* edge */
+        .ack            = au1x_ic1_ack,
        .mask           = au1x_ic1_mask,
-        .mask_ack       = au1x_ic1_mask,        /* level */
+        .mask_ack       = au1x_ic1_maskack,
        .unmask         = au1x_ic1_unmask,
        .set_type       = au1x_ic_settype,
        .set_wake       = au1x_ic1_setwake,
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c
index cc32c69a74ad..45b61c9b82b9 100644
--- a/arch/mips/alchemy/mtx-1/board_setup.c
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -69,6 +69,7 @@ void __init board_setup(void)
 #else
        au_writel(0xf, Au1500_PCI_CFG);
 #endif
+        board_pci_idsel = mtx1_pci_idsel;
 #endif
        /* Initialize sys_pinfunc */
@@ -85,8 +86,6 @@ void __init board_setup(void)
        alchemy_gpio_direction_output(211, 1);  /* green on */
        alchemy_gpio_direction_output(212, 0);  /* red off */
-        board_pci_idsel = mtx1_pci_idsel;
        printk(KERN_INFO "4G Systems MTX-1 Board\n");
 }
diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c
index e2278c04459d..835f3f0319ca 100644
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -503,6 +503,7 @@ static int __init ar7_register_devices(void)
 {
        u16 chip_id;
        int res;
+        u32 *bootcr, val;
 #ifdef CONFIG_SERIAL_8250
        static struct uart_port uart_port[2];
@@ -595,7 +596,13 @@ static int __init ar7_register_devices(void)
        ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
-        res = platform_device_register(&ar7_wdt);
+        bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
+        val = *bootcr;
+        iounmap(bootcr);
+        /* Register watchdog only if enabled in hardware */
+        if (val & AR7_WDT_HW_ENA)
+                res = platform_device_register(&ar7_wdt);
        return res;
 }
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
index c146d1ededed..00064b660809 100644
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,5 +1,5 @@
 obj-y           += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
-                   dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o
+                   dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o
 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
 obj-y           += boards/
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index 78e155d21be6..05a35cf5963d 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -24,7 +24,6 @@
 #include <bcm63xx_dev_enet.h>
 #include <bcm63xx_dev_dsp.h>
 #include <bcm63xx_dev_pcmcia.h>
-#include <bcm63xx_dev_uart.h>
 #include <board_bcm963xx.h>
 #define PFX     "board_bcm963xx: "
@@ -794,8 +793,6 @@ int __init board_register_devices(void)
 {
        u32 val;
-        bcm63xx_uart_register();
        if (board.has_pccard)
                bcm63xx_pcmcia_register();
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index 6dc43f0483e8..70378bb5e3f9 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -10,6 +10,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/cpu.h>
+#include <asm/cpu-info.h>
 #include <bcm63xx_cpu.h>
 #include <bcm63xx_regs.h>
 #include <bcm63xx_io.h>
@@ -284,6 +285,7 @@ void __init bcm63xx_cpu_init(void)
 {
        unsigned int tmp, expected_cpu_id;
        struct cpuinfo_mips *c = &current_cpu_data;
+        unsigned int cpu = smp_processor_id();
        /* soc registers location depends on cpu type */
        expected_cpu_id = 0;
@@ -293,6 +295,7 @@ void __init bcm63xx_cpu_init(void)
         * BCM6338 as the same PrId as BCM3302 see arch/mips/kernel/cpu-probe.c
         */
        case CPU_BCM3302:
+                __cpu_name[cpu] = "Broadcom BCM6338";
                expected_cpu_id = BCM6338_CPU_ID;
                bcm63xx_regs_base = bcm96338_regs_base;
                bcm63xx_irqs = bcm96338_irqs;
diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c
index 5f3d89c4a988..b0519461ad9b 100644
--- a/arch/mips/bcm63xx/dev-uart.c
+++ b/arch/mips/bcm63xx/dev-uart.c
@@ -10,7 +10,6 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <bcm63xx_cpu.h>
-#include <bcm63xx_dev_uart.h>
 static struct resource uart_resources[] = {
        {
@@ -39,3 +38,4 @@ int __init bcm63xx_uart_register(void)
        uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
        return platform_device_register(&bcm63xx_uart_device);
 }
+arch_initcall(bcm63xx_uart_register);
diff --git a/arch/mips/bcm63xx/dev-wdt.c b/arch/mips/bcm63xx/dev-wdt.c
new file mode 100644
index 000000000000..3e6c716a4c11
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-wdt.c
@@ -0,0 +1,37 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_cpu.h>
+static struct resource wdt_resources[] = {
+        {
+                .start          = -1, /* filled at runtime */
+                .end            = -1, /* filled at runtime */
+                .flags          = IORESOURCE_MEM,
+        },
+};
+static struct platform_device bcm63xx_wdt_device = {
+        .name           = "bcm63xx-wdt",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(wdt_resources),
+        .resource       = wdt_resources,
+};
+int __init bcm63xx_wdt_register(void)
+{
+        wdt_resources[0].start = bcm63xx_regset_address(RSET_WDT);
+        wdt_resources[0].end = wdt_resources[0].start;
+        wdt_resources[0].end += RSET_WDT_SIZE - 1;
+        return platform_device_register(&bcm63xx_wdt_device);
+}
+arch_initcall(bcm63xx_wdt_register);
diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c
index b18a0ca926fa..d0056598fbfc 100644
--- a/arch/mips/bcm63xx/setup.c
+++ b/arch/mips/bcm63xx/setup.c
@@ -75,7 +75,9 @@ void bcm63xx_machine_reboot(void)
                bcm6348_a1_reboot();
        printk(KERN_INFO "triggering watchdog soft-reset...\n");
-        bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG);
+        reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG);
+        reg |= SYS_PLL_SOFT_RESET;
+        bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG);
        while (1)
                ;
 }
diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c
index 384f1842bfb1..6f2acf09328d 100644
--- a/arch/mips/cavium-octeon/octeon-irq.c
+++ b/arch/mips/cavium-octeon/octeon-irq.c
@@ -17,6 +17,15 @@ DEFINE_RWLOCK(octeon_irq_ciu0_rwlock);
 DEFINE_RWLOCK(octeon_irq_ciu1_rwlock);
 DEFINE_SPINLOCK(octeon_irq_msi_lock);
+static int octeon_coreid_for_cpu(int cpu)
+{
+#ifdef CONFIG_SMP
+        return cpu_logical_map(cpu);
+#else
+        return cvmx_get_core_num();
+#endif
+}
 static void octeon_irq_core_ack(unsigned int irq)
 {
        unsigned int bit = irq - OCTEON_IRQ_SW0;
@@ -152,11 +161,10 @@ static void octeon_irq_ciu0_disable(unsigned int irq)
        int bit = irq - OCTEON_IRQ_WORKQ0;      /* Bit 0-63 of EN0 */
        unsigned long flags;
        uint64_t en0;
-#ifdef CONFIG_SMP
        int cpu;
        write_lock_irqsave(&octeon_irq_ciu0_rwlock, flags);
        for_each_online_cpu(cpu) {
-                int coreid = cpu_logical_map(cpu);
+                int coreid = octeon_coreid_for_cpu(cpu);
                en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
                en0 &= ~(1ull << bit);
                cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0);
@@ -167,26 +175,57 @@ static void octeon_irq_ciu0_disable(unsigned int irq)
         */
        cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2));
        write_unlock_irqrestore(&octeon_irq_ciu0_rwlock, flags);
-#else
+}
-        int coreid = cvmx_get_core_num();
-        local_irq_save(flags);
+/*
-        en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
+ * Enable the irq on the current core for chips that have the EN*_W1{S,C}
-        en0 &= ~(1ull << bit);
+ * registers.
-        cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0);
+ */
-        cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
+static void octeon_irq_ciu0_enable_v2(unsigned int irq)
-        local_irq_restore(flags);
+{
-#endif
+        int index = cvmx_get_core_num() * 2;
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
+        cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+}
+/*
+ * Disable the irq on the current core for chips that have the EN*_W1{S,C}
+ * registers.
+ */
+static void octeon_irq_ciu0_disable_v2(unsigned int irq)
+{
+        int index = cvmx_get_core_num() * 2;
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
+        cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+}
+/*
+ * Disable the irq on the all cores for chips that have the EN*_W1{S,C}
+ * registers.
+ */
+static void octeon_irq_ciu0_disable_all_v2(unsigned int irq)
+{
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
+        int index;
+        int cpu;
+        for_each_online_cpu(cpu) {
+                index = octeon_coreid_for_cpu(cpu) * 2;
+                cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+        }
 }
 #ifdef CONFIG_SMP
 static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask *dest)
 {
        int cpu;
+        unsigned long flags;
        int bit = irq - OCTEON_IRQ_WORKQ0;      /* Bit 0-63 of EN0 */
-        write_lock(&octeon_irq_ciu0_rwlock);
+        write_lock_irqsave(&octeon_irq_ciu0_rwlock, flags);
        for_each_online_cpu(cpu) {
-                int coreid = cpu_logical_map(cpu);
+                int coreid = octeon_coreid_for_cpu(cpu);
                uint64_t en0 =
                        cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2));
                if (cpumask_test_cpu(cpu, dest))
@@ -200,11 +239,45 @@ static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask *
         * of them are done.
         */
        cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2));
-        write_unlock(&octeon_irq_ciu0_rwlock);
+        write_unlock_irqrestore(&octeon_irq_ciu0_rwlock, flags);
        return 0;
 }
+/*
+ * Set affinity for the irq for chips that have the EN*_W1{S,C}
+ * registers.
+ */
+static int octeon_irq_ciu0_set_affinity_v2(unsigned int irq,
+                                           const struct cpumask *dest)
+{
+        int cpu;
+        int index;
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0);
+        for_each_online_cpu(cpu) {
+                index = octeon_coreid_for_cpu(cpu) * 2;
+                if (cpumask_test_cpu(cpu, dest))
+                        cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask);
+                else
+                        cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask);
+        }
+        return 0;
+}
+#endif
+/*
+ * Newer octeon chips have support for lockless CIU operation.
+ */
+static struct irq_chip octeon_irq_chip_ciu0_v2 = {
+        .name = "CIU0",
+        .enable = octeon_irq_ciu0_enable_v2,
+        .disable = octeon_irq_ciu0_disable_all_v2,
+        .ack = octeon_irq_ciu0_disable_v2,
+        .eoi = octeon_irq_ciu0_enable_v2,
+#ifdef CONFIG_SMP
+        .set_affinity = octeon_irq_ciu0_set_affinity_v2,
 #endif
+};
 static struct irq_chip octeon_irq_chip_ciu0 = {
        .name = "CIU0",
@@ -269,11 +342,10 @@ static void octeon_irq_ciu1_disable(unsigned int irq)
        int bit = irq - OCTEON_IRQ_WDOG0;       /* Bit 0-63 of EN1 */
        unsigned long flags;
        uint64_t en1;
-#ifdef CONFIG_SMP
        int cpu;
        write_lock_irqsave(&octeon_irq_ciu1_rwlock, flags);
        for_each_online_cpu(cpu) {
-                int coreid = cpu_logical_map(cpu);
+                int coreid = octeon_coreid_for_cpu(cpu);
                en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
                en1 &= ~(1ull << bit);
                cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1);
@@ -284,26 +356,58 @@ static void octeon_irq_ciu1_disable(unsigned int irq)
         */
        cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1));
        write_unlock_irqrestore(&octeon_irq_ciu1_rwlock, flags);
-#else
+}
-        int coreid = cvmx_get_core_num();
-        local_irq_save(flags);
+/*
-        en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
+ * Enable the irq on the current core for chips that have the EN*_W1{S,C}
-        en1 &= ~(1ull << bit);
+ * registers.
-        cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1);
+ */
-        cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1));
+static void octeon_irq_ciu1_enable_v2(unsigned int irq)
-        local_irq_restore(flags);
+{
-#endif
+        int index = cvmx_get_core_num() * 2 + 1;
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
+        cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
+}
+/*
+ * Disable the irq on the current core for chips that have the EN*_W1{S,C}
+ * registers.
+ */
+static void octeon_irq_ciu1_disable_v2(unsigned int irq)
+{
+        int index = cvmx_get_core_num() * 2 + 1;
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
+        cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
+}
+/*
+ * Disable the irq on the all cores for chips that have the EN*_W1{S,C}
+ * registers.
+ */
+static void octeon_irq_ciu1_disable_all_v2(unsigned int irq)
+{
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
+        int index;
+        int cpu;
+        for_each_online_cpu(cpu) {
+                index = octeon_coreid_for_cpu(cpu) * 2 + 1;
+                cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
+        }
 }
 #ifdef CONFIG_SMP
-static int octeon_irq_ciu1_set_affinity(unsigned int irq, const struct cpumask *dest)
+static int octeon_irq_ciu1_set_affinity(unsigned int irq,
+                                        const struct cpumask *dest)
 {
        int cpu;
+        unsigned long flags;
        int bit = irq - OCTEON_IRQ_WDOG0;       /* Bit 0-63 of EN1 */
-        write_lock(&octeon_irq_ciu1_rwlock);
+        write_lock_irqsave(&octeon_irq_ciu1_rwlock, flags);
        for_each_online_cpu(cpu) {
-                int coreid = cpu_logical_map(cpu);
+                int coreid = octeon_coreid_for_cpu(cpu);
                uint64_t en1 =
                        cvmx_read_csr(CVMX_CIU_INTX_EN1
                                (coreid * 2 + 1));
@@ -318,12 +422,46 @@ static int octeon_irq_ciu1_set_affinity(unsigned int irq, const struct cpumask *
         * of them are done.
         */
        cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1));
-        write_unlock(&octeon_irq_ciu1_rwlock);
+        write_unlock_irqrestore(&octeon_irq_ciu1_rwlock, flags);
+        return 0;
+}
+/*
+ * Set affinity for the irq for chips that have the EN*_W1{S,C}
+ * registers.
+ */
+static int octeon_irq_ciu1_set_affinity_v2(unsigned int irq,
+                                           const struct cpumask *dest)
+{
+        int cpu;
+        int index;
+        u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0);
+        for_each_online_cpu(cpu) {
+                index = octeon_coreid_for_cpu(cpu) * 2 + 1;
+                if (cpumask_test_cpu(cpu, dest))
+                        cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask);
+                else
+                        cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask);
+        }
        return 0;
 }
 #endif
+/*
+ * Newer octeon chips have support for lockless CIU operation.
+ */
+static struct irq_chip octeon_irq_chip_ciu1_v2 = {
+        .name = "CIU0",
+        .enable = octeon_irq_ciu1_enable_v2,
+        .disable = octeon_irq_ciu1_disable_all_v2,
+        .ack = octeon_irq_ciu1_disable_v2,
+        .eoi = octeon_irq_ciu1_enable_v2,
+#ifdef CONFIG_SMP
+        .set_affinity = octeon_irq_ciu1_set_affinity_v2,
+#endif
+};
 static struct irq_chip octeon_irq_chip_ciu1 = {
        .name = "CIU1",
        .enable = octeon_irq_ciu1_enable,
@@ -420,6 +558,8 @@ static struct irq_chip octeon_irq_chip_msi = {
 void __init arch_init_irq(void)
 {
        int irq;
+        struct irq_chip *chip0;
+        struct irq_chip *chip1;
 #ifdef CONFIG_SMP
        /* Set the default affinity to the boot cpu. */
@@ -430,6 +570,16 @@ void __init arch_init_irq(void)
        if (NR_IRQS < OCTEON_IRQ_LAST)
                pr_err("octeon_irq_init: NR_IRQS is set too low\n");
+        if (OCTEON_IS_MODEL(OCTEON_CN58XX_PASS2_X) ||
+            OCTEON_IS_MODEL(OCTEON_CN56XX_PASS2_X) ||
+            OCTEON_IS_MODEL(OCTEON_CN52XX_PASS2_X)) {
+                chip0 = &octeon_irq_chip_ciu0_v2;
+                chip1 = &octeon_irq_chip_ciu1_v2;
+        } else {
+                chip0 = &octeon_irq_chip_ciu0;
+                chip1 = &octeon_irq_chip_ciu1;
+        }
        /* 0 - 15 reserved for i8259 master and slave controller. */
        /* 17 - 23 Mips internal */
@@ -440,14 +590,12 @@ void __init arch_init_irq(void)
        /* 24 - 87 CIU_INT_SUM0 */
        for (irq = OCTEON_IRQ_WORKQ0; irq <= OCTEON_IRQ_BOOTDMA; irq++) {
-                set_irq_chip_and_handler(irq, &octeon_irq_chip_ciu0,
+                set_irq_chip_and_handler(irq, chip0, handle_percpu_irq);
-                                         handle_percpu_irq);
        }
        /* 88 - 151 CIU_INT_SUM1 */
        for (irq = OCTEON_IRQ_WDOG0; irq <= OCTEON_IRQ_RESERVED151; irq++) {
-                set_irq_chip_and_handler(irq, &octeon_irq_chip_ciu1,
+                set_irq_chip_and_handler(irq, chip1, handle_percpu_irq);
-                                         handle_percpu_irq);
        }
 #ifdef CONFIG_PCI_MSI
@@ -505,14 +653,10 @@ asmlinkage void plat_irq_dispatch(void)
 #ifdef CONFIG_HOTPLUG_CPU
 static int is_irq_enabled_on_cpu(unsigned int irq, unsigned int cpu)
 {
-       unsigned int isset;
+        unsigned int isset;
-#ifdef CONFIG_SMP
+        int coreid = octeon_coreid_for_cpu(cpu);
-       int coreid = cpu_logical_map(cpu);
-#else
-        int coreid = cvmx_get_core_num();
-#endif
        int bit = (irq < OCTEON_IRQ_WDOG0) ?
-                irq - OCTEON_IRQ_WORKQ0 : irq - OCTEON_IRQ_WDOG0;
+                   irq - OCTEON_IRQ_WORKQ0 : irq - OCTEON_IRQ_WDOG0;
       if (irq < 64) {
                isset = (cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)) &
                        (1ull << bit)) >> bit;
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 32d51a31dc48..c198efdf583e 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -65,11 +65,12 @@ void octeon_send_ipi_single(int cpu, unsigned int action)
        cvmx_write_csr(CVMX_CIU_MBOX_SETX(coreid), action);
 }
-static inline void octeon_send_ipi_mask(cpumask_t mask, unsigned int action)
+static inline void octeon_send_ipi_mask(const struct cpumask *mask,
+                                        unsigned int action)
 {
        unsigned int i;
-        for_each_cpu_mask(i, mask)
+        for_each_cpu_mask(i, *mask)
                octeon_send_ipi_single(i, action);
 }
diff --git a/arch/mips/include/asm/fixmap.h b/arch/mips/include/asm/fixmap.h
index efeddc8db8b1..0b89b83e2055 100644
--- a/arch/mips/include/asm/fixmap.h
+++ b/arch/mips/include/asm/fixmap.h
@@ -48,9 +48,9 @@ enum fixed_addresses {
 #define FIX_N_COLOURS 8
        FIX_CMAP_BEGIN,
 #ifdef CONFIG_MIPS_MT_SMTC
-        FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS),
+        FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS * 2),
 #else
-        FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS,
+        FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * 2),
 #endif
 #ifdef CONFIG_HIGHMEM
        /* reserved pte's for temporary kernel mappings */
diff --git a/arch/mips/include/asm/gcmpregs.h b/arch/mips/include/asm/gcmpregs.h
index 36fd969d64d6..c0cf76a2ca89 100644
--- a/arch/mips/include/asm/gcmpregs.h
+++ b/arch/mips/include/asm/gcmpregs.h
@@ -19,15 +19,20 @@
 #define GCMP_GDB_OFS            0x8000 /* Global Debug Block */
 /* Offsets to individual GCMP registers from GCMP base */
-#define GCMPOFS(block, tag, reg)        (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS)
+#define GCMPOFS(block, tag, reg)        \
+        (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS)
+#define GCMPOFSn(block, tag, reg, n) \
+        (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS(n))
 #define GCMPGCBOFS(reg)         GCMPOFS(GCB, GCB, reg)
+#define GCMPGCBOFSn(reg, n)     GCMPOFSn(GCB, GCB, reg, n)
 #define GCMPCLCBOFS(reg)        GCMPOFS(CLCB, CCB, reg)
 #define GCMPCOCBOFS(reg)        GCMPOFS(COCB, CCB, reg)
 #define GCMPGDBOFS(reg)         GCMPOFS(GDB, GDB, reg)
 /* GCMP register access */
 #define GCMPGCB(reg)                    REGP(_gcmp_base, GCMPGCBOFS(reg))
+#define GCMPGCBn(reg, n)               REGP(_gcmp_base, GCMPGCBOFSn(reg, n))
 #define GCMPCLCB(reg)                   REGP(_gcmp_base, GCMPCLCBOFS(reg))
 #define GCMPCOCB(reg)                   REGP(_gcmp_base, GCMPCOCBOFS(reg))
 #define GCMPGDB(reg)                    REGP(_gcmp_base, GCMPGDBOFS(reg))
@@ -49,10 +54,10 @@
 #define  GCMP_GCB_GCMPB_GCMPBASE_MSK    GCMPGCBMSK(GCMPB_GCMPBASE, 17)
 #define  GCMP_GCB_GCMPB_CMDEFTGT_SHF    0
 #define  GCMP_GCB_GCMPB_CMDEFTGT_MSK    GCMPGCBMSK(GCMPB_CMDEFTGT, 2)
-#define  GCMP_GCB_GCMPB_CMDEFTGT_MEM    0
+#define  GCMP_GCB_GCMPB_CMDEFTGT_DISABLED       0
-#define  GCMP_GCB_GCMPB_CMDEFTGT_MEM1   1
+#define  GCMP_GCB_GCMPB_CMDEFTGT_MEM            1
-#define  GCMP_GCB_GCMPB_CMDEFTGT_IOCU1 2
+#define  GCMP_GCB_GCMPB_CMDEFTGT_IOCU1          2
-#define  GCMP_GCB_GCMPB_CMDEFTGT_IOCU2 3
+#define  GCMP_GCB_GCMPB_CMDEFTGT_IOCU2          3
 #define GCMP_GCB_CCMC_OFS               0x0010  /* Global CM Control */
 #define GCMP_GCB_GCSRAP_OFS             0x0020  /* Global CSR Access Privilege */
 #define  GCMP_GCB_GCSRAP_CMACCESS_SHF   0
@@ -115,5 +120,6 @@
 #define GCMP_CCB_DBGGROUP_OFS           0x0100          /* DebugBreak Group */
 extern int __init gcmp_probe(unsigned long, unsigned long);
+extern int __init gcmp_niocu(void);
+extern void __init gcmp_setregion(int, unsigned long, unsigned long, int);
 #endif /* _ASM_GCMPREGS_H */
diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h
index a8f57341f123..9b9436a4d816 100644
--- a/arch/mips/include/asm/gic.h
+++ b/arch/mips/include/asm/gic.h
@@ -12,7 +12,6 @@
 #define _ASM_GICREGS_H
 #undef  GICISBYTELITTLEENDIAN
-#define GICISWORDLITTLEENDIAN
 /* Constants */
 #define GIC_POL_POS                     1
@@ -20,11 +19,7 @@
 #define GIC_TRIG_EDGE                   1
 #define GIC_TRIG_LEVEL                  0
-#ifdef CONFIG_SMP
 #define GIC_NUM_INTRS                   (24 + NR_CPUS * 2)
-#else
-#define GIC_NUM_INTRS                   32
-#endif
 #define MSK(n) ((1 << (n)) - 1)
 #define REG32(addr)             (*(volatile unsigned int *) (addr))
@@ -70,13 +65,13 @@
 #define USM_VISIBLE_SECTION_SIZE        0x10000
 /* Register Map for Shared Section */
-#if defined(CONFIG_CPU_LITTLE_ENDIAN) || defined(GICISWORDLITTLEENDIAN)
 #define GIC_SH_CONFIG_OFS               0x0000
 /* Shared Global Counter */
 #define GIC_SH_COUNTER_31_00_OFS        0x0010
 #define GIC_SH_COUNTER_63_32_OFS        0x0014
+#define GIC_SH_REVISIONID_OFS           0x0020
 /* Interrupt Polarity */
 #define GIC_SH_POL_31_0_OFS             0x0100
@@ -164,24 +159,31 @@
        (GIC_SH_INTR_MAP_TO_VPE_BASE_OFS + (32 * (intr)) + (((vpe) / 32) * 4))
 #define GIC_SH_MAP_TO_VPE_REG_BIT(vpe)  (1 << ((vpe) % 32))
+/* Convert an interrupt number to a byte offset/bit for multi-word registers */
+#define GIC_INTR_OFS(intr) (((intr) / 32)*4)
+#define GIC_INTR_BIT(intr) ((intr) % 32)
 /* Polarity : Reset Value is always 0 */
 #define GIC_SH_SET_POLARITY_OFS         0x0100
 #define GIC_SET_POLARITY(intr, pol) \
-        GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + (((intr) / 32) * 4)), (pol) << ((intr) % 32))
+        GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + \
+                GIC_INTR_OFS(intr)), (pol) << GIC_INTR_BIT(intr))
 /* Triggering : Reset Value is always 0 */
 #define GIC_SH_SET_TRIGGER_OFS          0x0180
 #define GIC_SET_TRIGGER(intr, trig) \
-        GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + (((intr) / 32) * 4)), (trig) << ((intr) % 32))
+        GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + \
+                GIC_INTR_OFS(intr)), (trig) << GIC_INTR_BIT(intr))
 /* Mask manipulation */
 #define GIC_SH_SMASK_OFS                0x0380
-#define GIC_SET_INTR_MASK(intr, val) \
+#define GIC_SET_INTR_MASK(intr) \
-        GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + (((intr) / 32) * 4)), ((val) << ((intr) % 32)))
+        GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + \
+                GIC_INTR_OFS(intr)), 1 << GIC_INTR_BIT(intr))
 #define GIC_SH_RMASK_OFS                0x0300
-#define GIC_CLR_INTR_MASK(intr, val) \
+#define GIC_CLR_INTR_MASK(intr) \
-        GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + (((intr) / 32) * 4)), ((val) << ((intr) % 32)))
+        GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + \
+                GIC_INTR_OFS(intr)), 1 << GIC_INTR_BIT(intr))
 /* Register Map for Local Section */
 #define GIC_VPE_CTL_OFS                 0x0000
@@ -219,161 +221,6 @@
 #define GIC_UMV_SH_COUNTER_31_00_OFS    0x0000
 #define GIC_UMV_SH_COUNTER_63_32_OFS    0x0004
-#else /* CONFIG_CPU_BIG_ENDIAN */
-#define GIC_SH_CONFIG_OFS               0x0000
-/* Shared Global Counter */
-#define GIC_SH_COUNTER_31_00_OFS        0x0014
-#define GIC_SH_COUNTER_63_32_OFS        0x0010
-/* Interrupt Polarity */
-#define GIC_SH_POL_31_0_OFS             0x0104
-#define GIC_SH_POL_63_32_OFS            0x0100
-#define GIC_SH_POL_95_64_OFS            0x010c
-#define GIC_SH_POL_127_96_OFS           0x0108
-#define GIC_SH_POL_159_128_OFS          0x0114
-#define GIC_SH_POL_191_160_OFS          0x0110
-#define GIC_SH_POL_223_192_OFS          0x011c
-#define GIC_SH_POL_255_224_OFS          0x0118
-/* Edge/Level Triggering */
-#define GIC_SH_TRIG_31_0_OFS            0x0184
-#define GIC_SH_TRIG_63_32_OFS           0x0180
-#define GIC_SH_TRIG_95_64_OFS           0x018c
-#define GIC_SH_TRIG_127_96_OFS          0x0188
-#define GIC_SH_TRIG_159_128_OFS         0x0194
-#define GIC_SH_TRIG_191_160_OFS         0x0190
-#define GIC_SH_TRIG_223_192_OFS         0x019c
-#define GIC_SH_TRIG_255_224_OFS         0x0198
-/* Dual Edge Triggering */
-#define GIC_SH_DUAL_31_0_OFS            0x0204
-#define GIC_SH_DUAL_63_32_OFS           0x0200
-#define GIC_SH_DUAL_95_64_OFS           0x020c
-#define GIC_SH_DUAL_127_96_OFS          0x0208
-#define GIC_SH_DUAL_159_128_OFS         0x0214
-#define GIC_SH_DUAL_191_160_OFS         0x0210
-#define GIC_SH_DUAL_223_192_OFS         0x021c
-#define GIC_SH_DUAL_255_224_OFS         0x0218
-/* Set/Clear corresponding bit in Edge Detect Register */
-#define GIC_SH_WEDGE_OFS                0x0280
-/* Reset Mask - Disables Interrupt */
-#define GIC_SH_RMASK_31_0_OFS           0x0304
-#define GIC_SH_RMASK_63_32_OFS          0x0300
-#define GIC_SH_RMASK_95_64_OFS          0x030c
-#define GIC_SH_RMASK_127_96_OFS         0x0308
-#define GIC_SH_RMASK_159_128_OFS        0x0314
-#define GIC_SH_RMASK_191_160_OFS        0x0310
-#define GIC_SH_RMASK_223_192_OFS        0x031c
-#define GIC_SH_RMASK_255_224_OFS        0x0318
-/* Set Mask (WO) - Enables Interrupt */
-#define GIC_SH_SMASK_31_0_OFS           0x0384
-#define GIC_SH_SMASK_63_32_OFS          0x0380
-#define GIC_SH_SMASK_95_64_OFS          0x038c
-#define GIC_SH_SMASK_127_96_OFS         0x0388
-#define GIC_SH_SMASK_159_128_OFS        0x0394
-#define GIC_SH_SMASK_191_160_OFS        0x0390
-#define GIC_SH_SMASK_223_192_OFS        0x039c
-#define GIC_SH_SMASK_255_224_OFS        0x0398
-/* Global Interrupt Mask Register (RO) - Bit Set == Interrupt enabled */
-#define GIC_SH_MASK_31_0_OFS            0x0404
-#define GIC_SH_MASK_63_32_OFS           0x0400
-#define GIC_SH_MASK_95_64_OFS           0x040c
-#define GIC_SH_MASK_127_96_OFS          0x0408
-#define GIC_SH_MASK_159_128_OFS         0x0414
-#define GIC_SH_MASK_191_160_OFS         0x0410
-#define GIC_SH_MASK_223_192_OFS         0x041c
-#define GIC_SH_MASK_255_224_OFS         0x0418
-/* Pending Global Interrupts (RO) */
-#define GIC_SH_PEND_31_0_OFS            0x0484
-#define GIC_SH_PEND_63_32_OFS           0x0480
-#define GIC_SH_PEND_95_64_OFS           0x048c
-#define GIC_SH_PEND_127_96_OFS          0x0488
-#define GIC_SH_PEND_159_128_OFS         0x0494
-#define GIC_SH_PEND_191_160_OFS         0x0490
-#define GIC_SH_PEND_223_192_OFS         0x049c
-#define GIC_SH_PEND_255_224_OFS         0x0498
-#define GIC_SH_INTR_MAP_TO_PIN_BASE_OFS 0x0500
-/* Maps Interrupt X to a Pin */
-#define GIC_SH_MAP_TO_PIN(intr) \
-        (GIC_SH_INTR_MAP_TO_PIN_BASE_OFS + (4 * intr))
-#define GIC_SH_INTR_MAP_TO_VPE_BASE_OFS 0x2004
-/*
- * Maps Interrupt X to a VPE.  This is more complex than the LE case, as
- * odd and even registers need to be transposed.  It does work - trust me!
- */
-#define GIC_SH_MAP_TO_VPE_REG_OFF(intr, vpe) \
-        (GIC_SH_INTR_MAP_TO_VPE_BASE_OFS + (32 * (intr)) + \
-        (((((vpe) / 32) ^ 1) - 1) * 4))
-#define GIC_SH_MAP_TO_VPE_REG_BIT(vpe)  (1 << ((vpe) % 32))
-/* Polarity */
-#define GIC_SH_SET_POLARITY_OFS         0x0100
-#define GIC_SET_POLARITY(intr, pol) \
-        GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), (pol) << ((intr) % 32))
-/* Triggering */
-#define GIC_SH_SET_TRIGGER_OFS          0x0180
-#define GIC_SET_TRIGGER(intr, trig) \
-        GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), (trig) << ((intr) % 32))
-/* Mask manipulation */
-#define GIC_SH_SMASK_OFS                0x0380
-#define GIC_SET_INTR_MASK(intr, val) \
-        GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), ((val) << ((intr) % 32)))
-#define GIC_SH_RMASK_OFS                0x0300
-#define GIC_CLR_INTR_MASK(intr, val) \
-        GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), ((val) << ((intr) % 32)))
-/* Register Map for Local Section */
-#define GIC_VPE_CTL_OFS                 0x0000
-#define GIC_VPE_PEND_OFS                0x0004
-#define GIC_VPE_MASK_OFS                0x0008
-#define GIC_VPE_RMASK_OFS               0x000c
-#define GIC_VPE_SMASK_OFS               0x0010
-#define GIC_VPE_WD_MAP_OFS              0x0040
-#define GIC_VPE_COMPARE_MAP_OFS         0x0044
-#define GIC_VPE_TIMER_MAP_OFS           0x0048
-#define GIC_VPE_PERFCTR_MAP_OFS         0x0050
-#define GIC_VPE_SWINT0_MAP_OFS          0x0054
-#define GIC_VPE_SWINT1_MAP_OFS          0x0058
-#define GIC_VPE_OTHER_ADDR_OFS          0x0080
-#define GIC_VPE_WD_CONFIG0_OFS          0x0090
-#define GIC_VPE_WD_COUNT0_OFS           0x0094
-#define GIC_VPE_WD_INITIAL0_OFS         0x0098
-#define GIC_VPE_COMPARE_LO_OFS          0x00a4
-#define GIC_VPE_COMPARE_HI_OFS          0x00a0
-#define GIC_VPE_EIC_SHADOW_SET_BASE     0x0100
-#define GIC_VPE_EIC_SS(intr) \
-        (GIC_EIC_SHADOW_SET_BASE + (4 * intr))
-#define GIC_VPE_EIC_VEC_BASE            0x0800
-#define GIC_VPE_EIC_VEC(intr) \
-        (GIC_VPE_EIC_VEC_BASE + (4 * intr))
-#define GIC_VPE_TENABLE_NMI_OFS         0x1000
-#define GIC_VPE_TENABLE_YQ_OFS          0x1004
-#define GIC_VPE_TENABLE_INT_31_0_OFS    0x1080
-#define GIC_VPE_TENABLE_INT_63_32_OFS   0x1084
-/* User Mode Visible Section Register Map */
-#define GIC_UMV_SH_COUNTER_31_00_OFS    0x0004
-#define GIC_UMV_SH_COUNTER_63_32_OFS    0x0000
-#endif /* !LE */
 /* Masks */
 #define GIC_SH_CONFIG_COUNTSTOP_SHF     28
 #define GIC_SH_CONFIG_COUNTSTOP_MSK     (MSK(1) << GIC_SH_CONFIG_COUNTSTOP_SHF)
@@ -473,12 +320,13 @@ struct gic_intrmask_regs {
 * in building ipi_map.
 */
 struct gic_intr_map {
-        unsigned int intrnum;   /* Ext Intr Num         */
        unsigned int cpunum;    /* Directed to this CPU */
        unsigned int pin;       /* Directed to this Pin */
        unsigned int polarity;  /* Polarity : +/-       */
        unsigned int trigtype;  /* Trigger  : Edge/Levl */
-        unsigned int ipiflag;   /* Is used for IPI ?    */
+        unsigned int flags;     /* Misc flags   */
+#define GIC_FLAG_IPI           0x01
+#define GIC_FLAG_TRANSPARENT   0x02
 };
 extern void gic_init(unsigned long gic_base_addr,
diff --git a/arch/mips/include/asm/mach-ar7/ar7.h b/arch/mips/include/asm/mach-ar7/ar7.h
index de71694614de..21cbbc706448 100644
--- a/arch/mips/include/asm/mach-ar7/ar7.h
+++ b/arch/mips/include/asm/mach-ar7/ar7.h
@@ -78,6 +78,9 @@
 #define AR7_REF_CLOCK   25000000
 #define AR7_XTAL_CLOCK  24000000
+/* DCL */
+#define AR7_WDT_HW_ENA  0x10
 struct plat_cpmac_data {
        int reset_bit;
        int power_bit;
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
index feea00148b5d..91595fa89034 100644
--- a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
@@ -104,6 +104,8 @@ static inline int au1100_gpio2_to_irq(int gpio)
        if ((gpio >= 8) && (gpio <= 15))
                return MAKE_IRQ(0, 29);         /* shared GPIO208_215 */
+        return -ENXIO;
 }
 #ifdef CONFIG_SOC_AU1100
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
deleted file mode 100644
index bf348f573bbc..000000000000
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef BCM63XX_DEV_UART_H_
-#define BCM63XX_DEV_UART_H_
-int bcm63xx_uart_register(void);
-#endif /* BCM63XX_DEV_UART_H_ */
diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h
index f6837422fe65..09a59bcc1b07 100644
--- a/arch/mips/include/asm/mach-ip27/topology.h
+++ b/arch/mips/include/asm/mach-ip27/topology.h
@@ -44,8 +44,8 @@ extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
        .busy_factor            = 32,                   \
        .imbalance_pct          = 125,                  \
        .cache_nice_tries       = 1,                    \
-        .flags                  = SD_LOAD_BALANCE       \
+        .flags                  = SD_LOAD_BALANCE |     \
-                                | SD_BALANCE_EXEC       \
+                                  SD_BALANCE_EXEC,      \
        .last_balance           = jiffies,              \
        .balance_interval       = 1,                    \
        .nr_balance_failed      = 0,                    \
diff --git a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
index ce5b6e270e3f..9947e57c91de 100644
--- a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h
@@ -29,7 +29,7 @@
 #define cpu_has_cache_cdex_p    0
 #define cpu_has_cache_cdex_s    0
 #define cpu_has_counter         1
-#define cpu_has_dc_aliases      1
+#define cpu_has_dc_aliases      (PAGE_SIZE < 0x4000)
 #define cpu_has_divec           0
 #define cpu_has_dsp             0
 #define cpu_has_ejtag           0
@@ -54,6 +54,5 @@
 #define cpu_has_vce             0
 #define cpu_has_vtag_icache     0
 #define cpu_has_watch           1
-#define cpu_icache_snoops_remote_store  1
 #endif /* __ASM_MACH_LOONGSON_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index d9743536a621..6083db586500 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -16,6 +16,7 @@
 #include <linux/smp.h>
 #include <linux/slab.h>
 #include <asm/cacheflush.h>
+#include <asm/hazards.h>
 #include <asm/tlbflush.h>
 #ifdef CONFIG_MIPS_MT_SMTC
 #include <asm/mipsmtregs.h>
@@ -36,11 +37,13 @@ extern unsigned long pgd_current[];
 #ifdef CONFIG_32BIT
 #define TLBMISS_HANDLER_SETUP()                                         \
        write_c0_context((unsigned long) smp_processor_id() << 25);     \
+        back_to_back_c0_hazard();                                       \
        TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)
 #endif
 #ifdef CONFIG_64BIT
 #define TLBMISS_HANDLER_SETUP()                                         \
        write_c0_context((unsigned long) smp_processor_id() << 26);     \
+        back_to_back_c0_hazard();                                       \
        TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)
 #endif
@@ -165,12 +168,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
         * having ASID_MASK smaller than the hardware maximum,
         * make sure no "soft" bits become "hard"...
         */
-        write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK)
+        write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) |
-                        | (cpu_context(cpu, next) & ASID_MASK));
+                         cpu_asid(cpu, next));
        ehb(); /* Make sure it propagates to TCStatus */
        evpe(mtflags);
 #else
-        write_c0_entryhi(cpu_context(cpu, next));
+        write_c0_entryhi(cpu_asid(cpu, next));
 #endif /* CONFIG_MIPS_MT_SMTC */
        TLBMISS_HANDLER_SETUP_PGD(next->pgd);
@@ -226,11 +229,11 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next)
        }
        /* See comments for similar code above */
        write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) |
-                         (cpu_context(cpu, next) & ASID_MASK));
+                         cpu_asid(cpu, next));
        ehb(); /* Make sure it propagates to TCStatus */
        evpe(mtflags);
 #else
-        write_c0_entryhi(cpu_context(cpu, next));
+        write_c0_entryhi(cpu_asid(cpu, next));
 #endif /* CONFIG_MIPS_MT_SMTC */
        TLBMISS_HANDLER_SETUP_PGD(next->pgd);
diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h
index e600cedda976..50511aac04e9 100644
--- a/arch/mips/include/asm/setup.h
+++ b/arch/mips/include/asm/setup.h
@@ -1,7 +1,7 @@
 #ifndef _MIPS_SETUP_H
 #define _MIPS_SETUP_H
-#define COMMAND_LINE_SIZE       256
+#define COMMAND_LINE_SIZE       4096
 #ifdef  __KERNEL__
 extern void setup_early_printk(void);
diff --git a/arch/mips/include/asm/smtc_ipi.h b/arch/mips/include/asm/smtc_ipi.h
index 8ce517574340..15278dbd7e79 100644
--- a/arch/mips/include/asm/smtc_ipi.h
+++ b/arch/mips/include/asm/smtc_ipi.h
@@ -45,6 +45,7 @@ struct smtc_ipi_q {
        spinlock_t lock;
        struct smtc_ipi *tail;
        int depth;
+        int resched_flag;       /* reschedule already queued */
 };
 static inline void smtc_ipi_nq(struct smtc_ipi_q *q, struct smtc_ipi *p)
diff --git a/arch/mips/include/asm/spram.h b/arch/mips/include/asm/spram.h
new file mode 100644
index 000000000000..0b89006e4907
--- /dev/null
+++ b/arch/mips/include/asm/spram.h
@@ -0,0 +1,10 @@
+#ifndef _MIPS_SPRAM_H
+#define _MIPS_SPRAM_H
+#ifdef CONFIG_CPU_MIPSR2
+extern __init void spram_config(void);
+#else
+static inline void spram_config(void) { };
+#endif /* CONFIG_CPU_MIPSR2 */
+#endif /* _MIPS_SPRAM_H */
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 01cc1630b66c..845da2107ed1 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -86,14 +86,7 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
 #ifdef CONFIG_DEBUG_STACK_USAGE
-#define alloc_thread_info(tsk)                                  \
+#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL)
-({                                                              \
-        struct thread_info *ret;                                \
-                                                                \
-        ret = kzalloc(THREAD_SIZE, GFP_KERNEL);                 \
-                                                                \
-        ret;                                                    \
-})
 #else
 #define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL)
 #endif
diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c
index 7fd170d007e7..7bd32d04c2cc 100644
--- a/arch/mips/jazz/irq.c
+++ b/arch/mips/jazz/irq.c
@@ -134,7 +134,7 @@ static irqreturn_t r4030_timer_interrupt(int irq, void *dev_id)
 static struct irqaction r4030_timer_irqaction = {
        .handler        = r4030_timer_interrupt,
-        .flags          = IRQF_DISABLED,
+        .flags          = IRQF_DISABLED | IRQF_TIMER,
        .name           = "R4030 timer",
 };
diff --git a/arch/mips/kernel/cevt-bcm1480.c b/arch/mips/kernel/cevt-bcm1480.c
index e02f79b1eb51..bfea327c636c 100644
--- a/arch/mips/kernel/cevt-bcm1480.c
+++ b/arch/mips/kernel/cevt-bcm1480.c
@@ -144,7 +144,7 @@ void __cpuinit sb1480_clockevent_init(void)
        bcm1480_unmask_irq(cpu, irq);
        action->handler = sibyte_counter_handler;
-        action->flags   = IRQF_DISABLED | IRQF_PERCPU;
+        action->flags   = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER;
        action->name    = name;
        action->dev_id  = cd;
diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c
index 6996da4d74a2..00a4da277cbb 100644
--- a/arch/mips/kernel/cevt-ds1287.c
+++ b/arch/mips/kernel/cevt-ds1287.c
@@ -107,7 +107,7 @@ static irqreturn_t ds1287_interrupt(int irq, void *dev_id)
 static struct irqaction ds1287_irqaction = {
        .handler        = ds1287_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
        .name           = "ds1287",
 };
diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c
index 92351e00ae0e..f5d265eb6eae 100644
--- a/arch/mips/kernel/cevt-gt641xx.c
+++ b/arch/mips/kernel/cevt-gt641xx.c
@@ -113,7 +113,7 @@ static irqreturn_t gt641xx_timer0_interrupt(int irq, void *dev_id)
 static struct irqaction gt641xx_timer0_irqaction = {
        .handler        = gt641xx_timer0_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
        .name           = "gt641xx_timer0",
 };
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 2652362ce047..b469ad05d520 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -83,7 +83,7 @@ out:
 struct irqaction c0_compare_irqaction = {
        .handler = c0_compare_interrupt,
-        .flags = IRQF_DISABLED | IRQF_PERCPU,
+        .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
        .name = "timer",
 };
diff --git a/arch/mips/kernel/cevt-sb1250.c b/arch/mips/kernel/cevt-sb1250.c
index ac5903d1b20e..da78eeaea6e8 100644
--- a/arch/mips/kernel/cevt-sb1250.c
+++ b/arch/mips/kernel/cevt-sb1250.c
@@ -143,7 +143,7 @@ void __cpuinit sb1250_clockevent_init(void)
        sb1250_unmask_irq(cpu, irq);
        action->handler = sibyte_counter_handler;
-        action->flags   = IRQF_DISABLED | IRQF_PERCPU;
+        action->flags   = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER;
        action->name    = name;
        action->dev_id  = cd;
diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c
index 0037f21baf0d..218ee6bda935 100644
--- a/arch/mips/kernel/cevt-txx9.c
+++ b/arch/mips/kernel/cevt-txx9.c
@@ -146,7 +146,7 @@ static irqreturn_t txx9tmr_interrupt(int irq, void *dev_id)
 static struct irqaction txx9tmr_irq = {
        .handler        = txx9tmr_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
        .name           = "txx9tmr",
        .dev_id         = &txx9_clock_event_device,
 };
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index f709657e4dcd..7a51866068a4 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -23,7 +23,7 @@
 #include <asm/mipsregs.h>
 #include <asm/system.h>
 #include <asm/watch.h>
+#include <asm/spram.h>
 /*
 * Not all of the MIPS CPUs have the "wait" instruction available. Moreover,
 * the implementation of the "wait" feature differs between CPU families. This
@@ -711,12 +711,6 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c)
        mips_probe_watch_registers(c);
 }
-#ifdef CONFIG_CPU_MIPSR2
-extern void spram_config(void);
-#else
-static inline void spram_config(void) {}
-#endif
 static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
 {
        decode_configs(c);
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index 531ce7b16124..ea695d9605e9 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -191,6 +191,7 @@ NESTED(kernel_entry, 16, sp)			# kernel entry point
        /* Set the SP after an empty pt_regs.  */
        PTR_LI          sp, _THREAD_SIZE - 32 - PT_SIZE
        PTR_ADDU        sp, $28
+        back_to_back_c0_hazard
        set_saved_sp    sp, t0, t1
        PTR_SUBU        sp, 4 * SZREG           # init stack pointer
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index f7d8d5d0ddbf..ed5c441615e4 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -98,7 +98,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 static struct irqaction irq0  = {
        .handler = timer_interrupt,
-        .flags = IRQF_DISABLED | IRQF_NOBALANCING,
+        .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER,
        .name = "timer"
 };
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index d2072cd38592..b181f2f0ea8e 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -14,38 +14,23 @@
 static unsigned long _gic_base;
-static unsigned int _irqbase, _mapsize, numvpes, numintrs;
+static unsigned int _irqbase;
-static struct gic_intr_map *_intrmap;
+static unsigned int gic_irq_flags[GIC_NUM_INTRS];
+#define GIC_IRQ_FLAG_EDGE      0x0001
-static struct gic_pcpu_mask pcpu_masks[NR_CPUS];
+struct gic_pcpu_mask pcpu_masks[NR_CPUS];
 static struct gic_pending_regs pending_regs[NR_CPUS];
 static struct gic_intrmask_regs intrmask_regs[NR_CPUS];
-#define gic_wedgeb2bok 0        /*
-                                 * Can GIC handle b2b writes to wedge register?
-                                 */
-#if gic_wedgeb2bok == 0
-static DEFINE_SPINLOCK(gic_wedgeb2b_lock);
-#endif
 void gic_send_ipi(unsigned int intr)
 {
-#if gic_wedgeb2bok == 0
-        unsigned long flags;
-#endif
        pr_debug("CPU%d: %s status %08x\n", smp_processor_id(), __func__,
                 read_c0_status());
-        if (!gic_wedgeb2bok)
-                spin_lock_irqsave(&gic_wedgeb2b_lock, flags);
        GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), 0x80000000 | intr);
-        if (!gic_wedgeb2bok) {
-                (void) GIC_REG(SHARED, GIC_SH_CONFIG);
-                spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags);
-        }
 }
 /* This is Malta specific and needs to be exported */
-static void vpe_local_setup(unsigned int numvpes)
+static void __init vpe_local_setup(unsigned int numvpes)
 {
        int i;
        unsigned long timer_interrupt = 5, perf_interrupt = 5;
@@ -105,44 +90,34 @@ unsigned int gic_get_int(void)
 static unsigned int gic_irq_startup(unsigned int irq)
 {
-        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
        irq -= _irqbase;
-        GIC_SET_INTR_MASK(irq, 1);
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        GIC_SET_INTR_MASK(irq);
        return 0;
 }
 static void gic_irq_ack(unsigned int irq)
 {
-#if gic_wedgeb2bok == 0
-        unsigned long flags;
-#endif
-        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
        irq -= _irqbase;
-        GIC_CLR_INTR_MASK(irq, 1);
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        GIC_CLR_INTR_MASK(irq);
-        if (_intrmap[irq].trigtype == GIC_TRIG_EDGE) {
+        if (gic_irq_flags[irq] & GIC_IRQ_FLAG_EDGE)
-                if (!gic_wedgeb2bok)
-                        spin_lock_irqsave(&gic_wedgeb2b_lock, flags);
                GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq);
-                if (!gic_wedgeb2bok) {
-                        (void) GIC_REG(SHARED, GIC_SH_CONFIG);
-                        spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags);
-                }
-        }
 }
 static void gic_mask_irq(unsigned int irq)
 {
-        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
        irq -= _irqbase;
-        GIC_CLR_INTR_MASK(irq, 1);
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        GIC_CLR_INTR_MASK(irq);
 }
 static void gic_unmask_irq(unsigned int irq)
 {
-        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
        irq -= _irqbase;
-        GIC_SET_INTR_MASK(irq, 1);
+        pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
+        GIC_SET_INTR_MASK(irq);
 }
 #ifdef CONFIG_SMP
@@ -155,9 +130,8 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
        unsigned long   flags;
        int             i;
-        pr_debug(KERN_DEBUG "%s called\n", __func__);
        irq -= _irqbase;
+        pr_debug(KERN_DEBUG "%s(%d) called\n", __func__, irq);
        cpumask_and(&tmp, cpumask, cpu_online_mask);
        if (cpus_empty(tmp))
                return -1;
@@ -168,13 +142,6 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
                /* Re-route this IRQ */
                GIC_SH_MAP_TO_VPE_SMASK(irq, first_cpu(tmp));
-                /*
-                 * FIXME: assumption that _intrmap is ordered and has no holes
-                 */
-                /* Update the intr_map */
-                _intrmap[irq].cpunum = first_cpu(tmp);
                /* Update the pcpu_masks */
                for (i = 0; i < NR_CPUS; i++)
                        clear_bit(irq, pcpu_masks[i].pcpu_mask);
@@ -201,8 +168,9 @@ static struct irq_chip gic_irq_controller = {
 #endif
 };
-static void __init setup_intr(unsigned int intr, unsigned int cpu,
+static void __init gic_setup_intr(unsigned int intr, unsigned int cpu,
-        unsigned int pin, unsigned int polarity, unsigned int trigtype)
+        unsigned int pin, unsigned int polarity, unsigned int trigtype,
+        unsigned int flags)
 {
        /* Setup Intr to Pin mapping */
        if (pin & GIC_MAP_TO_NMI_MSK) {
@@ -227,38 +195,43 @@ static void __init setup_intr(unsigned int intr, unsigned int cpu,
        GIC_SET_TRIGGER(intr, trigtype);
        /* Init Intr Masks */
-        GIC_SET_INTR_MASK(intr, 0);
+        GIC_CLR_INTR_MASK(intr);
+        /* Initialise per-cpu Interrupt software masks */
+        if (flags & GIC_FLAG_IPI)
+                set_bit(intr, pcpu_masks[cpu].pcpu_mask);
+        if (flags & GIC_FLAG_TRANSPARENT)
+                GIC_SET_INTR_MASK(intr);
+        if (trigtype == GIC_TRIG_EDGE)
+                gic_irq_flags[intr] |= GIC_IRQ_FLAG_EDGE;
 }
-static void __init gic_basic_init(void)
+static void __init gic_basic_init(int numintrs, int numvpes,
+                        struct gic_intr_map *intrmap, int mapsize)
 {
        unsigned int i, cpu;
        /* Setup defaults */
-        for (i = 0; i < GIC_NUM_INTRS; i++) {
+        for (i = 0; i < numintrs; i++) {
                GIC_SET_POLARITY(i, GIC_POL_POS);
                GIC_SET_TRIGGER(i, GIC_TRIG_LEVEL);
-                GIC_SET_INTR_MASK(i, 0);
+                GIC_CLR_INTR_MASK(i);
+                if (i < GIC_NUM_INTRS)
+                        gic_irq_flags[i] = 0;
        }
        /* Setup specifics */
-        for (i = 0; i < _mapsize; i++) {
+        for (i = 0; i < mapsize; i++) {
-                cpu = _intrmap[i].cpunum;
+                cpu = intrmap[i].cpunum;
                if (cpu == X)
                        continue;
+                if (cpu == 0 && i != 0 && intrmap[i].flags == 0)
-                if (cpu == 0 && i != 0 && _intrmap[i].intrnum == 0 &&
-                                        _intrmap[i].ipiflag == 0)
                        continue;
+                gic_setup_intr(i,
-                setup_intr(_intrmap[i].intrnum,
+                        intrmap[i].cpunum,
-                                _intrmap[i].cpunum,
+                        intrmap[i].pin,
-                                _intrmap[i].pin,
+                        intrmap[i].polarity,
-                                _intrmap[i].polarity,
+                        intrmap[i].trigtype,
-                                _intrmap[i].trigtype);
+                        intrmap[i].flags);
-                /* Initialise per-cpu Interrupt software masks */
-                if (_intrmap[i].ipiflag)
-                        set_bit(_intrmap[i].intrnum, pcpu_masks[cpu].pcpu_mask);
        }
        vpe_local_setup(numvpes);
@@ -273,12 +246,11 @@ void __init gic_init(unsigned long gic_base_addr,
                     unsigned int irqbase)
 {
        unsigned int gicconfig;
+        int numvpes, numintrs;
        _gic_base = (unsigned long) ioremap_nocache(gic_base_addr,
                                                    gic_addrspace_size);
        _irqbase = irqbase;
-        _intrmap = intr_map;
-        _mapsize = intr_map_size;
        GICREAD(GIC_REG(SHARED, GIC_SH_CONFIG), gicconfig);
        numintrs = (gicconfig & GIC_SH_CONFIG_NUMINTRS_MSK) >>
@@ -290,5 +262,5 @@ void __init gic_init(unsigned long gic_base_addr,
        pr_debug("%s called\n", __func__);
-        gic_basic_init();
+        gic_basic_init(numintrs, numvpes, intr_map, intr_map_size);
 }
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 6242bc68add7..b77fefaff9da 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -428,3 +428,9 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs)
        return do_fork(clone_flags, newsp, &regs, 0,
                       parent_tidptr, child_tidptr);
 }
+asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf,
+        size_t len)
+{
+        return sys_lookup_dcookie(merge_64(a0, a1), buf, len);
+}
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 9bbf9775e0bd..14dde4ca932e 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -450,7 +450,7 @@ sys_call_table:
        PTR     sys_io_submit
        PTR     sys_io_cancel                   /* 4245 */
        PTR     sys_exit_group
-        PTR     sys_lookup_dcookie
+        PTR     sys32_lookup_dcookie
        PTR     sys_epoll_create
        PTR     sys_epoll_ctl
        PTR     sys_epoll_wait                  /* 4250 */
@@ -505,7 +505,7 @@ sys_call_table:
        PTR     sys_fchmodat
        PTR     sys_faccessat                   /* 4300 */
        PTR     compat_sys_pselect6
-        PTR     sys_ppoll
+        PTR     compat_sys_ppoll
        PTR     sys_unshare
        PTR     sys_splice
        PTR     sys32_sync_file_range           /* 4305 */
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 4d181df44a40..24630fd8ef60 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -75,7 +75,6 @@ unsigned long irq_hwmask[NR_IRQS];
 asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS];
 /*
 * Number of InterProcessor Interrupt (IPI) message buffers to allocate
 */
@@ -388,6 +387,7 @@ void smtc_prepare_cpus(int cpus)
                IPIQ[i].head = IPIQ[i].tail = NULL;
                spin_lock_init(&IPIQ[i].lock);
                IPIQ[i].depth = 0;
+                IPIQ[i].resched_flag = 0; /* No reschedules queued initially */
        }
        /* cpu_data index starts at zero */
@@ -741,11 +741,24 @@ void smtc_forward_irq(unsigned int irq)
 static void smtc_ipi_qdump(void)
 {
        int i;
+        struct smtc_ipi *temp;
        for (i = 0; i < NR_CPUS ;i++) {
-                printk("IPIQ[%d]: head = 0x%x, tail = 0x%x, depth = %d\n",
+                pr_info("IPIQ[%d]: head = 0x%x, tail = 0x%x, depth = %d\n",
                        i, (unsigned)IPIQ[i].head, (unsigned)IPIQ[i].tail,
                        IPIQ[i].depth);
+                temp = IPIQ[i].head;
+                while (temp != IPIQ[i].tail) {
+                        pr_debug("%d %d %d: ", temp->type, temp->dest,
+                               (int)temp->arg);
+#ifdef  SMTC_IPI_DEBUG
+                    pr_debug("%u %lu\n", temp->sender, temp->stamp);
+#else
+                    pr_debug("\n");
+#endif
+                    temp = temp->flink;
+                }
        }
 }
@@ -784,11 +797,16 @@ void smtc_send_ipi(int cpu, int type, unsigned int action)
        int mtflags;
        unsigned long tcrestart;
        extern void r4k_wait_irqoff(void), __pastwait(void);
+        int set_resched_flag = (type == LINUX_SMP_IPI &&
+                                action == SMP_RESCHEDULE_YOURSELF);
        if (cpu == smp_processor_id()) {
                printk("Cannot Send IPI to self!\n");
                return;
        }
+        if (set_resched_flag && IPIQ[cpu].resched_flag != 0)
+                return; /* There is a reschedule queued already */
        /* Set up a descriptor, to be delivered either promptly or queued */
        pipi = smtc_ipi_dq(&freeIPIq);
        if (pipi == NULL) {
@@ -801,6 +819,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action)
        pipi->dest = cpu;
        if (cpu_data[cpu].vpe_id != cpu_data[smp_processor_id()].vpe_id) {
                /* If not on same VPE, enqueue and send cross-VPE interrupt */
+                IPIQ[cpu].resched_flag |= set_resched_flag;
                smtc_ipi_nq(&IPIQ[cpu], pipi);
                LOCK_CORE_PRA();
                settc(cpu_data[cpu].tc_id);
@@ -847,6 +866,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action)
                         */
                        write_tc_c0_tchalt(0);
                        UNLOCK_CORE_PRA();
+                        IPIQ[cpu].resched_flag |= set_resched_flag;
                        smtc_ipi_nq(&IPIQ[cpu], pipi);
                } else {
 postdirect:
@@ -996,12 +1016,15 @@ void deferred_smtc_ipi(void)
                 * already enabled.
                 */
                local_irq_save(flags);
                spin_lock(&q->lock);
                pipi = __smtc_ipi_dq(q);
                spin_unlock(&q->lock);
-                if (pipi != NULL)
+                if (pipi != NULL) {
+                        if (pipi->type == LINUX_SMP_IPI &&
+                            (int)pipi->arg == SMP_RESCHEDULE_YOURSELF)
+                                IPIQ[cpu].resched_flag = 0;
                        ipi_decode(pipi);
+                }
                /*
                 * The use of the __raw_local restore isn't
                 * as obviously necessary here as in smtc_ipi_replay(),
@@ -1082,6 +1105,9 @@ static irqreturn_t ipi_interrupt(int irq, void *dev_idm)
                                 * with interrupts off
                                 */
                                local_irq_save(flags);
+                                if (pipi->type == LINUX_SMP_IPI &&
+                                    (int)pipi->arg == SMP_RESCHEDULE_YOURSELF)
+                                        IPIQ[cpu].resched_flag = 0;
                                ipi_decode(pipi);
                                local_irq_restore(flags);
                        }
diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c
index 6ddb507a87ef..1821d12a6410 100644
--- a/arch/mips/kernel/spram.c
+++ b/arch/mips/kernel/spram.c
@@ -13,7 +13,6 @@
 #include <linux/ptrace.h>
 #include <linux/stddef.h>
-#include <asm/cpu.h>
 #include <asm/fpu.h>
 #include <asm/mipsregs.h>
 #include <asm/system.h>
@@ -198,8 +197,7 @@ static __cpuinit void probe_spram(char *type,
                offset += 2 * SPRAM_TAG_STRIDE;
        }
 }
+void __cpuinit spram_config(void)
-__cpuinit void spram_config(void)
 {
        struct cpuinfo_mips *c = &current_cpu_data;
        unsigned int config0;
@@ -208,6 +206,7 @@ __cpuinit void spram_config(void)
        case CPU_24K:
        case CPU_34K:
        case CPU_74K:
+        case CPU_1004K:
                config0 = read_c0_config();
                /* FIXME: addresses are Malta specific */
                if (config0 & (1<<24)) {
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 03092ab2a296..60477529362e 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1116,8 +1116,6 @@ static int vpe_open(struct inode *inode, struct file *filp)
        v->shared_ptr = NULL;
        v->__start = 0;
-        unlock_kernel();
        return 0;
 }
diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c
index f368c735cbd3..b32b4a3e5137 100644
--- a/arch/mips/loongson/common/irq.c
+++ b/arch/mips/loongson/common/irq.c
@@ -55,7 +55,6 @@ void __init arch_init_irq(void)
         * int-handler is not on bootstrap
         */
        clear_c0_status(ST0_IM | ST0_BEV);
-        local_irq_disable();
        /* setting irq trigger mode */
        set_irq_trigger_mode();
diff --git a/arch/mips/math-emu/dp_simple.c b/arch/mips/math-emu/dp_simple.c
index 1c555e6c6a9f..d9ae1dbabda7 100644
--- a/arch/mips/math-emu/dp_simple.c
+++ b/arch/mips/math-emu/dp_simple.c
@@ -62,8 +62,6 @@ ieee754dp ieee754dp_neg(ieee754dp x)
                return ieee754dp_nanxcpt(y, "neg");
        }
-        if (ieee754dp_isnan(x)) /* but not infinity */
-                return ieee754dp_nanxcpt(x, "neg", x);
        return x;
 }
@@ -76,15 +74,12 @@ ieee754dp ieee754dp_abs(ieee754dp x)
        CLEARCX;
        FLUSHXDP;
+        /* Clear sign ALWAYS, irrespective of NaN */
+        DPSIGN(x) = 0;
        if (xc == IEEE754_CLASS_SNAN) {
-                SETCX(IEEE754_INVALID_OPERATION);
+                return ieee754dp_nanxcpt(ieee754dp_indef(), "abs");
-                return ieee754dp_nanxcpt(ieee754dp_indef(), "neg");
        }
-        if (ieee754dp_isnan(x)) /* but not infinity */
-                return ieee754dp_nanxcpt(x, "abs", x);
-        /* quick fix up */
-        DPSIGN(x) = 0;
        return x;
 }
diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c
index 770f0f4677cd..3175477d36f6 100644
--- a/arch/mips/math-emu/sp_simple.c
+++ b/arch/mips/math-emu/sp_simple.c
@@ -62,8 +62,6 @@ ieee754sp ieee754sp_neg(ieee754sp x)
                return ieee754sp_nanxcpt(y, "neg");
        }
-        if (ieee754sp_isnan(x)) /* but not infinity */
-                return ieee754sp_nanxcpt(x, "neg", x);
        return x;
 }
@@ -76,15 +74,12 @@ ieee754sp ieee754sp_abs(ieee754sp x)
        CLEARCX;
        FLUSHXSP;
+        /* Clear sign ALWAYS, irrespective of NaN */
+        SPSIGN(x) = 0;
        if (xc == IEEE754_CLASS_SNAN) {
-                SETCX(IEEE754_INVALID_OPERATION);
                return ieee754sp_nanxcpt(ieee754sp_indef(), "abs");
        }
-        if (ieee754sp_isnan(x)) /* but not infinity */
-                return ieee754sp_nanxcpt(x, "abs", x);
-        /* quick fix up */
-        SPSIGN(x) = 0;
        return x;
 }
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 15aa1902a788..8d1f4f363049 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -27,6 +27,7 @@
 #include <linux/swap.h>
 #include <linux/proc_fs.h>
 #include <linux/pfn.h>
+#include <linux/hardirq.h>
 #include <asm/asm-offsets.h>
 #include <asm/bootinfo.h>
@@ -132,7 +133,10 @@ void *kmap_coherent(struct page *page, unsigned long addr)
        inc_preempt_count();
        idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1);
 #ifdef CONFIG_MIPS_MT_SMTC
-        idx += FIX_N_COLOURS * smp_processor_id();
+        idx += FIX_N_COLOURS * smp_processor_id() +
+                (in_interrupt() ? (FIX_N_COLOURS * NR_CPUS) : 0);
+#else
+        idx += in_interrupt() ? FIX_N_COLOURS : 0;
 #endif
        vaddr = __fix_to_virt(FIX_CMAP_END - idx);
        pte = mk_pte(page, PAGE_KERNEL);
diff --git a/arch/mips/mti-malta/malta-amon.c b/arch/mips/mti-malta/malta-amon.c
index df9e526312a2..469d9b0cee6d 100644
--- a/arch/mips/mti-malta/malta-amon.c
+++ b/arch/mips/mti-malta/malta-amon.c
@@ -70,11 +70,12 @@ void amon_cpu_start(int cpu,
        launch->sp = sp;
        launch->a0 = a0;
-        /* Make sure target sees parameters before the go bit */
+        smp_wmb();              /* Target must see parameters before go */
-        smp_mb();
        launch->flags |= LAUNCH_FGO;
+        smp_wmb();              /* Target must see go before we poll  */
        while ((launch->flags & LAUNCH_FGONE) == 0)
                ;
+        smp_rmb();      /* Target will be updating flags soon */
        pr_debug("launch: cpu%d gone!\n", cpu);
 }
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 3e0a9b35ba5c..4c3fca18a171 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -87,7 +87,7 @@ static inline int mips_pcibios_iack(void)
                dummy = BONITO_PCIMAP_CFG;
                iob();    /* sync */
-                irq = readl((u32 *)_pcictrl_bonito_pcicfg);
+                irq = __raw_readl((u32 *)_pcictrl_bonito_pcicfg);
                iob();    /* sync */
                irq &= 0xff;
                BONITO_PCIMAP_CFG = 0;
@@ -379,38 +379,43 @@ static msc_irqmap_t __initdata msc_eicirqmap[] = {
 static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
-#if defined(CONFIG_MIPS_MT_SMP)
 /*
 * This GIC specific tabular array defines the association between External
 * Interrupts and CPUs/Core Interrupts. The nature of the External
 * Interrupts is also defined here - polarity/trigger.
 */
+#define GIC_CPU_NMI GIC_MAP_TO_NMI_MSK
 static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
-        { GIC_EXT_INTR(0),      X,      X,              X,              X,              0 },
+        { X, X,            X,           X,              0 },
-        { GIC_EXT_INTR(1),      X,      X,              X,              X,              0 },
+        { X, X,            X,           X,              0 },
-        { GIC_EXT_INTR(2),      X,      X,              X,              X,              0 },
+        { X, X,            X,           X,              0 },
-        { GIC_EXT_INTR(3),      0,      GIC_CPU_INT0,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(4),      0,      GIC_CPU_INT1,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(5),      0,      GIC_CPU_INT2,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(6),      0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(7),      0,      GIC_CPU_INT4,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT4, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(8),      0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(9),      0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(10),     X,      X,              X,              X,              0 },
+        { X, X,            X,           X,              0 },
-        { GIC_EXT_INTR(11),     X,      X,              X,              X,              0 },
+        { X, X,            X,           X,              0 },
-        { GIC_EXT_INTR(12),     0,      GIC_CPU_INT3,   GIC_POL_POS,    GIC_TRIG_LEVEL, 0 },
+        { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(13),     0,      GIC_MAP_TO_NMI_MSK,     GIC_POL_POS, GIC_TRIG_LEVEL,    0 },
+        { 0, GIC_CPU_NMI,  GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(14),     0,      GIC_MAP_TO_NMI_MSK,     GIC_POL_POS, GIC_TRIG_LEVEL,    0 },
+        { 0, GIC_CPU_NMI,  GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },
-        { GIC_EXT_INTR(15),     X,      X,              X,              X,              0 },
+        { X, X,            X,           X,              0 },
-/* This is the end of the general interrupts now we do IPI ones */
+        /* The remainder of this table is initialised by fill_ipi_map */
 };
-#endif
 /*
 * GCMP needs to be detected before any SMP initialisation
 */
 int __init gcmp_probe(unsigned long addr, unsigned long size)
 {
+        if (mips_revision_sconid != MIPS_REVISION_SCON_ROCIT) {
+                gcmp_present = 0;
+                return gcmp_present;
+        }
        if (gcmp_present >= 0)
                return gcmp_present;
@@ -419,20 +424,35 @@ int __init gcmp_probe(unsigned long addr, unsigned long size)
        gcmp_present = (GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) == GCMP_BASE_ADDR;
        if (gcmp_present)
-                printk(KERN_DEBUG "GCMP present\n");
+                pr_debug("GCMP present\n");
        return gcmp_present;
 }
+/* Return the number of IOCU's present */
+int __init gcmp_niocu(void)
+{
+  return gcmp_present ?
+    (GCMPGCB(GC) & GCMP_GCB_GC_NUMIOCU_MSK) >> GCMP_GCB_GC_NUMIOCU_SHF :
+    0;
+}
+/* Set GCMP region attributes */
+void __init gcmp_setregion(int region, unsigned long base,
+                           unsigned long mask, int type)
+{
+        GCMPGCBn(CMxBASE, region) = base;
+        GCMPGCBn(CMxMASK, region) = mask | type;
+}
 #if defined(CONFIG_MIPS_MT_SMP)
 static void __init fill_ipi_map1(int baseintr, int cpu, int cpupin)
 {
        int intr = baseintr + cpu;
-        gic_intr_map[intr].intrnum = GIC_EXT_INTR(intr);
        gic_intr_map[intr].cpunum = cpu;
        gic_intr_map[intr].pin = cpupin;
        gic_intr_map[intr].polarity = GIC_POL_POS;
        gic_intr_map[intr].trigtype = GIC_TRIG_EDGE;
-        gic_intr_map[intr].ipiflag = 1;
+        gic_intr_map[intr].flags = GIC_FLAG_IPI;
        ipi_map[cpu] |= (1 << (cpupin + 2));
 }
@@ -447,6 +467,12 @@ static void __init fill_ipi_map(void)
 }
 #endif
+void __init arch_init_ipiirq(int irq, struct irqaction *action)
+{
+        setup_irq(irq, action);
+        set_irq_handler(irq, handle_percpu_irq);
+}
 void __init arch_init_irq(void)
 {
        init_i8259_irqs();
@@ -458,12 +484,17 @@ void __init arch_init_irq(void)
                GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK;
                gic_present = 1;
        } else {
-                _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE, MSC01_BIU_ADDRSPACE_SZ);
+                if (mips_revision_sconid == MIPS_REVISION_SCON_ROCIT) {
-                gic_present = (REG(_msc01_biu_base, MSC01_SC_CFG) &
+                        _msc01_biu_base = (unsigned long)
-                MSC01_SC_CFG_GICPRES_MSK) >> MSC01_SC_CFG_GICPRES_SHF;
+                                        ioremap_nocache(MSC01_BIU_REG_BASE,
+                                                MSC01_BIU_ADDRSPACE_SZ);
+                        gic_present = (REG(_msc01_biu_base, MSC01_SC_CFG) &
+                                        MSC01_SC_CFG_GICPRES_MSK) >>
+                                        MSC01_SC_CFG_GICPRES_SHF;
+                }
        }
        if (gic_present)
-                printk(KERN_DEBUG "GIC present\n");
+                pr_debug("GIC present\n");
        switch (mips_revision_sconid) {
        case MIPS_REVISION_SCON_SOCIT:
@@ -526,16 +557,16 @@ void __init arch_init_irq(void)
                                                &corehi_irqaction);
        }
-#if defined(CONFIG_MIPS_MT_SMP)
        if (gic_present) {
                /* FIXME */
                int i;
+#if defined(CONFIG_MIPS_MT_SMP)
                gic_call_int_base = GIC_NUM_INTRS - NR_CPUS;
                gic_resched_int_base = gic_call_int_base - NR_CPUS;
                fill_ipi_map();
-                gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map, ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE);
+#endif
+                gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map,
+                                ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE);
                if (!gcmp_present) {
                        /* Enable the GIC */
                        i = REG(_msc01_biu_base, MSC01_SC_CFG);
@@ -543,7 +574,7 @@ void __init arch_init_irq(void)
                                (i | (0x1 << MSC01_SC_CFG_GICENA_SHF));
                        pr_debug("GIC Enabled\n");
                }
+#if defined(CONFIG_MIPS_MT_SMP)
                /* set up ipi interrupts */
                if (cpu_has_vint) {
                        set_vi_handler(MIPSCPU_INT_IPI0, malta_ipi_irqdispatch);
@@ -556,16 +587,14 @@ void __init arch_init_irq(void)
                write_c0_status(0x1100dc00);
                printk("CPU%d: status register frc %08x\n", smp_processor_id(), read_c0_status());
                for (i = 0; i < NR_CPUS; i++) {
-                        setup_irq(MIPS_GIC_IRQ_BASE +
+                        arch_init_ipiirq(MIPS_GIC_IRQ_BASE +
-                                        GIC_RESCHED_INT(i), &irq_resched);
+                                         GIC_RESCHED_INT(i), &irq_resched);
-                        setup_irq(MIPS_GIC_IRQ_BASE +
+                        arch_init_ipiirq(MIPS_GIC_IRQ_BASE +
-                                        GIC_CALL_INT(i), &irq_call);
+                                         GIC_CALL_INT(i), &irq_call);
-                        set_irq_handler(MIPS_GIC_IRQ_BASE +
-                                        GIC_RESCHED_INT(i), handle_percpu_irq);
-                        set_irq_handler(MIPS_GIC_IRQ_BASE +
-                                        GIC_CALL_INT(i), handle_percpu_irq);
                }
+#endif
        } else {
+#if defined(CONFIG_MIPS_MT_SMP)
                /* set up ipi interrupts */
                if (cpu_has_veic) {
                        set_vi_handler (MSC01E_INT_SW0, ipi_resched_dispatch);
@@ -580,14 +609,10 @@ void __init arch_init_irq(void)
                        cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ;
                        cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ;
                }
+                arch_init_ipiirq(cpu_ipi_resched_irq, &irq_resched);
-                setup_irq(cpu_ipi_resched_irq, &irq_resched);
+                arch_init_ipiirq(cpu_ipi_call_irq, &irq_call);
-                setup_irq(cpu_ipi_call_irq, &irq_call);
-                set_irq_handler(cpu_ipi_resched_irq, handle_percpu_irq);
-                set_irq_handler(cpu_ipi_call_irq, handle_percpu_irq);
-        }
 #endif
+        }
 }
 void malta_be_init(void)
diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c
index b9743190609a..2fbfa1a8c3a9 100644
--- a/arch/mips/mti-malta/malta-pci.c
+++ b/arch/mips/mti-malta/malta-pci.c
@@ -27,7 +27,7 @@
 #include <linux/init.h>
 #include <asm/gt64120.h>
+#include <asm/gcmpregs.h>
 #include <asm/mips-boards/generic.h>
 #include <asm/mips-boards/bonito64.h>
 #include <asm/mips-boards/msc01_pci.h>
@@ -201,7 +201,11 @@ void __init mips_pcibios_init(void)
                msc_mem_resource.start = start & mask;
                msc_mem_resource.end = (start & mask) | ~mask;
                msc_controller.mem_offset = (start & mask) - (map & mask);
+#ifdef CONFIG_MIPS_CMP
+                if (gcmp_niocu())
+                        gcmp_setregion(0, start, mask,
+                                GCMP_GCB_GCMPB_CMDEFTGT_IOCU1);
+#endif
                MSC_READ(MSC01_PCI_SC2PIOBASL, start);
                MSC_READ(MSC01_PCI_SC2PIOMSKL, mask);
                MSC_READ(MSC01_PCI_SC2PIOMAPL, map);
@@ -209,7 +213,11 @@ void __init mips_pcibios_init(void)
                msc_io_resource.end = (map & mask) | ~mask;
                msc_controller.io_offset = 0;
                ioport_resource.end = ~mask;
+#ifdef CONFIG_MIPS_CMP
+                if (gcmp_niocu())
+                        gcmp_setregion(1, start, mask,
+                                GCMP_GCB_GCMPB_CMDEFTGT_IOCU1);
+#endif
                /* If ranges overlap I/O takes precedence.  */
                start = start & mask;
                end = start | ~mask;
@@ -241,3 +249,16 @@ void __init mips_pcibios_init(void)
        register_pci_controller(controller);
 }
+/* Enable PCI 2.1 compatibility in PIIX4 */
+static void __init quirk_dlcsetup(struct pci_dev *dev)
+{
+        u8 odlc, ndlc;
+        (void) pci_read_config_byte(dev, 0x82, &odlc);
+        /* Enable passive releases and delayed transaction */
+        ndlc = odlc | 7;
+        (void) pci_write_config_byte(dev, 0x82, ndlc);
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0,
+        quirk_dlcsetup);
diff --git a/arch/mips/nxp/pnx8550/common/int.c b/arch/mips/nxp/pnx8550/common/int.c
index f080f114a1bf..7aca7d5375e5 100644
--- a/arch/mips/nxp/pnx8550/common/int.c
+++ b/arch/mips/nxp/pnx8550/common/int.c
@@ -172,7 +172,7 @@ static struct irqaction gic_action = {
 static struct irqaction timer_action = {
        .handler =      no_action,
-        .flags =        IRQF_DISABLED,
+        .flags =        IRQF_DISABLED | IRQF_TIMER,
        .name =         "Timer",
 };
diff --git a/arch/mips/nxp/pnx8550/common/time.c b/arch/mips/nxp/pnx8550/common/time.c
index 18b192784877..8836c6203df0 100644
--- a/arch/mips/nxp/pnx8550/common/time.c
+++ b/arch/mips/nxp/pnx8550/common/time.c
@@ -59,7 +59,7 @@ static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id)
 static struct irqaction pnx8xxx_timer_irq = {
        .handler        = pnx8xxx_timer_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
        .name           = "pnx8xxx_timer",
 };
@@ -72,7 +72,7 @@ static irqreturn_t monotonic_interrupt(int irq, void *dev_id)
 static struct irqaction monotonic_irqaction = {
        .handler = monotonic_interrupt,
-        .flags = IRQF_DISABLED,
+        .flags = IRQF_DISABLED | IRQF_TIMER,
        .name = "Monotonic timer",
 };
diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c
index deed1d5d4982..575cd1473475 100644
--- a/arch/mips/oprofile/op_model_loongson2.c
+++ b/arch/mips/oprofile/op_model_loongson2.c
@@ -22,7 +22,7 @@
 * otherwise, the oprofile tool will not recognize this and complain about
 * "cpu_type 'unset' is not valid".
 */
-#define LOONGSON2_CPU_TYPE      "mips/godson2"
+#define LOONGSON2_CPU_TYPE      "mips/loongson2"
 #define LOONGSON2_COUNTER1_EVENT(event) ((event & 0x0f) << 5)
 #define LOONGSON2_COUNTER2_EVENT(event) ((event & 0x0f) << 9)
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 6d0e59ffba2e..d6802d6d1f82 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -105,7 +105,7 @@ static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id)
 struct irqaction hub_rt_irqaction = {
        .handler        = hub_rt_counter_handler,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
        .name           = "hub-rt",
 };
diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c
index 62df6a598e0a..f3b60e671207 100644
--- a/arch/mips/sni/time.c
+++ b/arch/mips/sni/time.c
@@ -67,7 +67,7 @@ static irqreturn_t a20r_interrupt(int irq, void *dev_id)
 static struct irqaction a20r_irqaction = {
        .handler        = a20r_interrupt,
-        .flags          = IRQF_DISABLED | IRQF_PERCPU,
+        .flags          = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER,
        .name           = "a20r-timer",
 };
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index c860810722c0..e10184c1b3e1 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -85,7 +85,7 @@ int txx9_ccfg_toeon __initdata = 1;
 struct clk *clk_get(struct device *dev, const char *id)
 {
        if (!strcmp(id, "spi-baseclk"))
-                return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4);
+                return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 2);
        if (!strcmp(id, "imbus_clk"))
                return (struct clk *)((unsigned long)txx9_gbus_clock / 2);
        return ERR_PTR(-ENOENT);
@@ -817,7 +817,8 @@ void __init txx9_iocled_init(unsigned long baseaddr,
 out_pdev:
        platform_device_put(pdev);
 out_gpio:
-        gpio_remove(&iocled->chip);
+        if (gpiochip_remove(&iocled->chip))
+                return;
 out_unmap:
        iounmap(iocled->mmioaddr);
 out_free:
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 07e01149e3bf..72ace9515a07 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1443,12 +1443,8 @@ config SECCOMP
          If unsure, say Y. Only embedded should say N here.
-config CC_STACKPROTECTOR_ALL
-        bool
 config CC_STACKPROTECTOR
        bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)"
-        select CC_STACKPROTECTOR_ALL
        ---help---
          This option turns on the -fstack-protector GCC feature. This
          feature puts, at the beginning of functions, a canary value on
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index f2824fb8c79c..2649840d888f 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -400,7 +400,7 @@ config X86_TSC
 config X86_CMPXCHG64
        def_bool y
-        depends on X86_PAE || X86_64 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MATOM
+        depends on !M386 && !M486
 # this should be set for all -march=.. options where the compiler
 # generates cmov.
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index a012ee8ef803..d2d24c9ee64d 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -76,7 +76,6 @@ ifdef CONFIG_CC_STACKPROTECTOR
        cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
        ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
                stackp-y := -fstack-protector
-                stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all
                KBUILD_CFLAGS += $(stackp-y)
        else
                $(warning stack protector enabled but no compiler support)
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 1733f9f65e82..581b0568fe19 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -204,7 +204,7 @@ sysexit_from_sys_call:
        movl RDI-ARGOFFSET(%rsp),%r8d   /* reload 5th syscall arg */
        .endm
-        .macro auditsys_exit exit,ebpsave=RBP
+        .macro auditsys_exit exit
        testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r10)
        jnz ia32_ret_from_sys_call
        TRACE_IRQS_ON
@@ -217,7 +217,6 @@ sysexit_from_sys_call:
        call audit_syscall_exit
        GET_THREAD_INFO(%r10)
        movl RAX-ARGOFFSET(%rsp),%eax   /* reload syscall return value */
-        movl \ebpsave-ARGOFFSET(%rsp),%ebp /* reload user register value */
        movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi
        cli
        TRACE_IRQS_OFF
@@ -351,7 +350,7 @@ cstar_auditsys:
        jmp cstar_dispatch
 sysretl_audit:
-        auditsys_exit sysretl_from_sys_call, RCX /* user %ebp in RCX slot */
+        auditsys_exit sysretl_from_sys_call
 #endif
 cstar_tracesys:
diff --git a/arch/x86/kernel/crash_dump_32.c b/arch/x86/kernel/crash_dump_32.c
index f7cdb3b457aa..cd97ce18c29d 100644
--- a/arch/x86/kernel/crash_dump_32.c
+++ b/arch/x86/kernel/crash_dump_32.c
@@ -16,6 +16,22 @@ static void *kdump_buf_page;
 /* Stores the physical address of elf header of crash image. */
 unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+static inline bool is_crashed_pfn_valid(unsigned long pfn)
+{
+#ifndef CONFIG_X86_PAE
+        /*
+         * non-PAE kdump kernel executed from a PAE one will crop high pte
+         * bits and poke unwanted space counting again from address 0, we
+         * don't want that. pte must fit into unsigned long. In fact the
+         * test checks high 12 bits for being zero (pfn will be shifted left
+         * by PAGE_SHIFT).
+         */
+        return pte_pfn(pfn_pte(pfn, __pgprot(0))) == pfn;
+#else
+        return true;
+#endif
+}
 /**
 * copy_oldmem_page - copy one page from "oldmem"
 * @pfn: page frame number to be copied
@@ -41,6 +57,9 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
        if (!csize)
                return 0;
+        if (!is_crashed_pfn_valid(pfn))
+                return -EFAULT;
        vaddr = kmap_atomic_pfn(pfn, KM_PTE0);
        if (!userbuf) {
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c
index ad5bd988fb79..cdcfb122f256 100644
--- a/arch/x86/kernel/efi.c
+++ b/arch/x86/kernel/efi.c
@@ -454,8 +454,10 @@ void __init efi_init(void)
        if (add_efi_memmap)
                do_add_efi_memmap();
+#ifdef CONFIG_X86_32
        x86_platform.get_wallclock = efi_get_time;
        x86_platform.set_wallclock = efi_set_rtc_mmss;
+#endif
        /* Setup for EFI runtime service */
        reboot_type = BOOT_EFI;
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index a06f5d6375a8..a3241a1a710b 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -2718,6 +2718,30 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
                        },
                        .driver_data = "20071026",      /* yyyymmdd */
                },
+                /*
+                 * All BIOS versions for the MSI K9A2 Platinum (MS-7376)
+                 * support 64bit DMA.
+                 *
+                 * BIOS versions earlier than 1.5 had the Manufacturer DMI
+                 * fields as "MICRO-STAR INTERANTIONAL CO.,LTD".
+                 * This spelling mistake was fixed in BIOS version 1.5, so
+                 * 1.5 and later have the Manufacturer as
+                 * "MICRO-STAR INTERNATIONAL CO.,LTD".
+                 * So try to match on DMI_BOARD_VENDOR of "MICRO-STAR INTER".
+                 *
+                 * BIOS versions earlier than 1.9 had a Board Product Name
+                 * DMI field of "MS-7376". This was changed to be
+                 * "K9A2 Platinum (MS-7376)" in version 1.9, but we can still
+                 * match on DMI_BOARD_NAME of "MS-7376".
+                 */
+                {
+                        .ident = "MSI K9A2 Platinum",
+                        .matches = {
+                                DMI_MATCH(DMI_BOARD_VENDOR,
+                                          "MICRO-STAR INTER"),
+                                DMI_MATCH(DMI_BOARD_NAME, "MS-7376"),
+                        },
+                },
                { }
        };
        const struct dmi_system_id *match;
@@ -2729,18 +2753,24 @@ static bool ahci_sb600_enable_64bit(struct pci_dev *pdev)
            !match)
                return false;
+        if (!match->driver_data)
+                goto enable_64bit;
        dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
        snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
-        if (strcmp(buf, match->driver_data) >= 0) {
+        if (strcmp(buf, match->driver_data) >= 0)
-                dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n",
+                goto enable_64bit;
-                           match->ident);
+        else {
-                return true;
-        } else {
                dev_printk(KERN_WARNING, &pdev->dev, "%s: BIOS too old, "
                           "forcing 32bit DMA, update BIOS\n", match->ident);
                return false;
        }
+enable_64bit:
+        dev_printk(KERN_WARNING, &pdev->dev, "%s: enabling 64bit DMA\n",
+                   match->ident);
+        return true;
 }
 static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index d7f0f1b1ae3e..dc72690ed5db 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4919,10 +4919,11 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev)
 */
 void ata_qc_free(struct ata_queued_cmd *qc)
 {
-        struct ata_port *ap = qc->ap;
+        struct ata_port *ap;
        unsigned int tag;
        WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
+        ap = qc->ap;
        qc->flags = 0;
        tag = qc->tag;
@@ -4934,11 +4935,13 @@ void ata_qc_free(struct ata_queued_cmd *qc)
 void __ata_qc_complete(struct ata_queued_cmd *qc)
 {
-        struct ata_port *ap = qc->ap;
+        struct ata_port *ap;
-        struct ata_link *link = qc->dev->link;
+        struct ata_link *link;
        WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */
        WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE));
+        ap = qc->ap;
+        link = qc->dev->link;
        if (likely(qc->flags & ATA_QCFLAG_DMAMAP))
                ata_sg_clean(qc);
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index bdd43c7f432e..02efd9a83d26 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -93,7 +93,6 @@ static const struct pci_device_id svia_pci_tbl[] = {
        { PCI_VDEVICE(VIA, 0x7372), vt6420 },
        { PCI_VDEVICE(VIA, 0x5287), vt8251 }, /* 2 sata chnls (Master/Slave) */
        { PCI_VDEVICE(VIA, 0x9000), vt8251 },
-        { PCI_VDEVICE(VIA, 0x9040), vt8251 },
        { }     /* terminate list */
 };
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index e0dc4071e088..8aa2443182d5 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -511,6 +511,7 @@ static void dpm_complete(pm_message_t state)
        INIT_LIST_HEAD(&list);
        mutex_lock(&dpm_list_mtx);
+        transition_started = false;
        while (!list_empty(&dpm_list)) {
                struct device *dev = to_device(dpm_list.prev);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 38556f6cc22d..a770498a74ec 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -51,8 +51,6 @@ static int __pm_runtime_idle(struct device *dev)
 {
        int retval = 0;
-        dev_dbg(dev, "__pm_runtime_idle()!\n");
        if (dev->power.runtime_error)
                retval = -EINVAL;
        else if (dev->power.idle_notification)
@@ -93,8 +91,6 @@ static int __pm_runtime_idle(struct device *dev)
        wake_up_all(&dev->power.wait_queue);
 out:
-        dev_dbg(dev, "__pm_runtime_idle() returns %d!\n", retval);
        return retval;
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index b93814c0d3e2..7f436ec075f6 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -89,7 +89,8 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
                pci_set_power_state(dev->pdev, PCI_D3hot);
        }
-        dev_priv->suspended = 1;
+        /* Modeset on resume, not lid events */
+        dev_priv->modeset_on_lid = 0;
        return 0;
 }
@@ -124,7 +125,7 @@ static int i915_resume(struct drm_device *dev)
                drm_helper_resume_force_mode(dev);
        }
-        dev_priv->suspended = 0;
+        dev_priv->modeset_on_lid = 0;
        return ret;
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 6035d3dae851..c5df2234418d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -274,7 +274,7 @@ typedef struct drm_i915_private {
        struct drm_i915_display_funcs display;
        /* Register state */
-        bool suspended;
+        bool modeset_on_lid;
        u8 saveLBB;
        u32 saveDSPACNTR;
        u32 saveDSPBCNTR;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 98ae3d73577e..808bbe412ba8 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -656,6 +656,15 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
        return 0;
 }
+/*
+ * Lid events. Note the use of 'modeset_on_lid':
+ *  - we set it on lid close, and reset it on open
+ *  - we use it as a "only once" bit (ie we ignore
+ *    duplicate events where it was already properly
+ *    set/reset)
+ *  - the suspend/resume paths will also set it to
+ *    zero, since they restore the mode ("lid open").
+ */
 static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
                            void *unused)
 {
@@ -663,13 +672,19 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val,
                container_of(nb, struct drm_i915_private, lid_notifier);
        struct drm_device *dev = dev_priv->dev;
-        if (acpi_lid_open() && !dev_priv->suspended) {
+        if (!acpi_lid_open()) {
-                mutex_lock(&dev->mode_config.mutex);
+                dev_priv->modeset_on_lid = 1;
-                drm_helper_resume_force_mode(dev);
+                return NOTIFY_OK;
-                mutex_unlock(&dev->mode_config.mutex);
        }
-        drm_sysfs_hotplug_event(dev_priv->dev);
+        if (!dev_priv->modeset_on_lid)
+                return NOTIFY_OK;
+        dev_priv->modeset_on_lid = 0;
+        mutex_lock(&dev->mode_config.mutex);
+        drm_helper_resume_force_mode(dev);
+        mutex_unlock(&dev->mode_config.mutex);
        return NOTIFY_OK;
 }
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 4afba3ec2a61..e3654d683e15 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -120,19 +120,26 @@ struct imx_i2c_struct {
        wait_queue_head_t       queue;
        unsigned long           i2csr;
        unsigned int            disable_delay;
+        int                     stopped;
+        unsigned int            ifdr; /* IMX_I2C_IFDR */
 };
 /** Functions for IMX I2C adapter driver ***************************************
 *******************************************************************************/
-static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx)
+static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy)
 {
        unsigned long orig_jiffies = jiffies;
+        unsigned int temp;
        dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
-        /* wait for bus not busy */
+        while (1) {
-        while (readb(i2c_imx->base + IMX_I2C_I2SR) & I2SR_IBB) {
+                temp = readb(i2c_imx->base + IMX_I2C_I2SR);
+                if (for_busy && (temp & I2SR_IBB))
+                        break;
+                if (!for_busy && !(temp & I2SR_IBB))
+                        break;
                if (signal_pending(current)) {
                        dev_dbg(&i2c_imx->adapter.dev,
                                "<%s> I2C Interrupted\n", __func__);
@@ -179,41 +186,62 @@ static int i2c_imx_acked(struct imx_i2c_struct *i2c_imx)
        return 0;
 }
-static void i2c_imx_start(struct imx_i2c_struct *i2c_imx)
+static int i2c_imx_start(struct imx_i2c_struct *i2c_imx)
 {
        unsigned int temp = 0;
+        int result;
        dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
+        clk_enable(i2c_imx->clk);
+        writeb(i2c_imx->ifdr, i2c_imx->base + IMX_I2C_IFDR);
        /* Enable I2C controller */
+        writeb(0, i2c_imx->base + IMX_I2C_I2SR);
        writeb(I2CR_IEN, i2c_imx->base + IMX_I2C_I2CR);
+        /* Wait controller to be stable */
+        udelay(50);
        /* Start I2C transaction */
        temp = readb(i2c_imx->base + IMX_I2C_I2CR);
        temp |= I2CR_MSTA;
        writeb(temp, i2c_imx->base + IMX_I2C_I2CR);
+        result = i2c_imx_bus_busy(i2c_imx, 1);
+        if (result)
+                return result;
+        i2c_imx->stopped = 0;
        temp |= I2CR_IIEN | I2CR_MTX | I2CR_TXAK;
        writeb(temp, i2c_imx->base + IMX_I2C_I2CR);
+        return result;
 }
 static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx)
 {
        unsigned int temp = 0;
-        /* Stop I2C transaction */
+        if (!i2c_imx->stopped) {
-        dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
+                /* Stop I2C transaction */
-        temp = readb(i2c_imx->base + IMX_I2C_I2CR);
+                dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
-        temp &= ~I2CR_MSTA;
+                temp = readb(i2c_imx->base + IMX_I2C_I2CR);
-        writeb(temp, i2c_imx->base + IMX_I2C_I2CR);
+                temp &= ~(I2CR_MSTA | I2CR_MTX);
-        /* setup chip registers to defaults */
+                writeb(temp, i2c_imx->base + IMX_I2C_I2CR);
-        writeb(I2CR_IEN, i2c_imx->base + IMX_I2C_I2CR);
+                i2c_imx->stopped = 1;
-        writeb(0, i2c_imx->base + IMX_I2C_I2SR);
+        }
-        /*
+        if (cpu_is_mx1()) {
-         * This delay caused by an i.MXL hardware bug.
+                /*
-         * If no (or too short) delay, no "STOP" bit will be generated.
+                 * This delay caused by an i.MXL hardware bug.
-         */
+                 * If no (or too short) delay, no "STOP" bit will be generated.
-        udelay(i2c_imx->disable_delay);
+                 */
+                udelay(i2c_imx->disable_delay);
+        }
+        if (!i2c_imx->stopped)
+                i2c_imx_bus_busy(i2c_imx, 0);
        /* Disable I2C controller */
        writeb(0, i2c_imx->base + IMX_I2C_I2CR);
+        clk_disable(i2c_imx->clk);
 }
 static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
@@ -233,8 +261,8 @@ static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
        else
                for (i = 0; i2c_clk_div[i][0] < div; i++);
-        /* Write divider value to register */
+        /* Store divider value */
-        writeb(i2c_clk_div[i][1], i2c_imx->base + IMX_I2C_IFDR);
+        i2c_imx->ifdr = i2c_clk_div[i][1];
        /*
         * There dummy delay is calculated.
@@ -341,11 +369,15 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs)
                if (result)
                        return result;
                if (i == (msgs->len - 1)) {
+                        /* It must generate STOP before read I2DR to prevent
+                           controller from generating another clock cycle */
                        dev_dbg(&i2c_imx->adapter.dev,
                                "<%s> clear MSTA\n", __func__);
                        temp = readb(i2c_imx->base + IMX_I2C_I2CR);
-                        temp &= ~I2CR_MSTA;
+                        temp &= ~(I2CR_MSTA | I2CR_MTX);
                        writeb(temp, i2c_imx->base + IMX_I2C_I2CR);
+                        i2c_imx_bus_busy(i2c_imx, 0);
+                        i2c_imx->stopped = 1;
                } else if (i == (msgs->len - 2)) {
                        dev_dbg(&i2c_imx->adapter.dev,
                                "<%s> set TXAK\n", __func__);
@@ -370,14 +402,11 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter,
        dev_dbg(&i2c_imx->adapter.dev, "<%s>\n", __func__);
-        /* Check if i2c bus is not busy */
+        /* Start I2C transfer */
-        result = i2c_imx_bus_busy(i2c_imx);
+        result = i2c_imx_start(i2c_imx);
        if (result)
                goto fail0;
-        /* Start I2C transfer */
-        i2c_imx_start(i2c_imx);
        /* read/write data */
        for (i = 0; i < num; i++) {
                if (i) {
@@ -386,6 +415,9 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter,
                        temp = readb(i2c_imx->base + IMX_I2C_I2CR);
                        temp |= I2CR_RSTA;
                        writeb(temp, i2c_imx->base + IMX_I2C_I2CR);
+                        result =  i2c_imx_bus_busy(i2c_imx, 1);
+                        if (result)
+                                goto fail0;
                }
                dev_dbg(&i2c_imx->adapter.dev,
                        "<%s> transfer message: %d\n", __func__, i);
@@ -500,7 +532,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
                dev_err(&pdev->dev, "can't get I2C clock\n");
                goto fail3;
        }
-        clk_enable(i2c_imx->clk);
        /* Request IRQ */
        ret = request_irq(i2c_imx->irq, i2c_imx_isr, 0, pdev->name, i2c_imx);
@@ -549,7 +580,6 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
 fail5:
        free_irq(i2c_imx->irq, i2c_imx);
 fail4:
-        clk_disable(i2c_imx->clk);
        clk_put(i2c_imx->clk);
 fail3:
        release_mem_region(i2c_imx->res->start, resource_size(res));
@@ -586,8 +616,6 @@ static int __exit i2c_imx_remove(struct platform_device *pdev)
        if (pdata && pdata->exit)
                pdata->exit(&pdev->dev);
-        /* Disable I2C clock */
-        clk_disable(i2c_imx->clk);
        clk_put(i2c_imx->clk);
        release_mem_region(i2c_imx->res->start, resource_size(i2c_imx->res));
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index d325e86e3103..f627001108b8 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -365,9 +365,6 @@ static int mpc_write(struct mpc_i2c *i2c, int target,
        unsigned timeout = i2c->adap.timeout;
        u32 flags = restart ? CCR_RSTA : 0;
-        /* Start with MEN */
-        if (!restart)
-                writeccr(i2c, CCR_MEN);
        /* Start as master */
        writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX | flags);
        /* Write target byte */
@@ -396,9 +393,6 @@ static int mpc_read(struct mpc_i2c *i2c, int target,
        int i, result;
        u32 flags = restart ? CCR_RSTA : 0;
-        /* Start with MEN */
-        if (!restart)
-                writeccr(i2c, CCR_MEN);
        /* Switch to read - restart */
        writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX | flags);
        /* Write target address byte - this time with the read flag set */
@@ -425,9 +419,9 @@ static int mpc_read(struct mpc_i2c *i2c, int target,
                /* Generate txack on next to last byte */
                if (i == length - 2)
                        writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_TXAK);
-                /* Generate stop on last byte */
+                /* Do not generate stop on last byte */
                if (i == length - 1)
-                        writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_TXAK);
+                        writeccr(i2c, CCR_MIEN | CCR_MEN | CCR_MSTA | CCR_MTX);
                data[i] = readb(i2c->base + MPC_I2C_DR);
        }
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index a6512372c7a3..4452eabbee6d 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -233,6 +233,7 @@ struct atkbd {
 */
 static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
 static void *atkbd_platform_fixup_data;
+static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
                                ssize_t (*handler)(struct atkbd *, char *));
@@ -393,6 +394,9 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data,
        input_event(dev, EV_MSC, MSC_RAW, code);
+        if (atkbd_platform_scancode_fixup)
+                code = atkbd_platform_scancode_fixup(atkbd, code);
        if (atkbd->translated) {
                if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) {
@@ -923,6 +927,22 @@ static unsigned int atkbd_volume_forced_release_keys[] = {
 };
 /*
+ * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas
+ * they should be generating e4-e6 (0x80 | code).
+ */
+static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd,
+                                                    unsigned int code)
+{
+        if (atkbd->translated && atkbd->emul == 1 &&
+            (code == 0x64 || code == 0x65 || code == 0x66)) {
+                atkbd->emul = 0;
+                code |= 0x80;
+        }
+        return code;
+}
+/*
 * atkbd_set_keycode_table() initializes keyboard's keycode table
 * according to the selected scancode set
 */
@@ -1527,6 +1547,13 @@ static int __init atkbd_setup_forced_release(const struct dmi_system_id *id)
        return 0;
 }
+static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
+{
+        atkbd_platform_scancode_fixup = id->driver_data;
+        return 0;
+}
 static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
        {
                .ident = "Dell Laptop",
@@ -1663,6 +1690,15 @@ static struct dmi_system_id atkbd_dmi_quirk_table[] __initdata = {
                .callback = atkbd_setup_forced_release,
                .driver_data = atkdb_soltech_ta12_forced_release_keys,
        },
+        {
+                .ident = "OQO Model 01+",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
+                },
+                .callback = atkbd_setup_scancode_fixup,
+                .driver_data = atkbd_oqo_01plus_scancode_fixup,
+        },
        { }
 };
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index a88aff3816a0..77d130914259 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -147,6 +147,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
                }
                error = request_irq(irq, gpio_keys_isr,
+                                    IRQF_SHARED |
                                    IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                                    button->desc ? button->desc : "gpio_keys",
                                    bdata);
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 02f4f8f1db6f..a9bb2544b2de 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -227,6 +227,7 @@ config INPUT_WINBOND_CIR
        depends on X86 && PNP
        select NEW_LEDS
        select LEDS_CLASS
+        select LEDS_TRIGGERS
        select BITREVERSE
        help
          Say Y here if you want to use the IR remote functionality found
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index a31578170ccc..1df02d25aca5 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -836,17 +836,32 @@ static int i8042_controller_selftest(void)
 static int i8042_controller_init(void)
 {
        unsigned long flags;
+        int n = 0;
+        unsigned char ctr[2];
 /*
- * Save the CTR for restoral on unload / reboot.
+ * Save the CTR for restore on unload / reboot.
 */
-        if (i8042_command(&i8042_ctr, I8042_CMD_CTL_RCTR)) {
+        do {
-                printk(KERN_ERR "i8042.c: Can't read CTR while initializing i8042.\n");
+                if (n >= 10) {
-                return -EIO;
+                        printk(KERN_ERR
-        }
+                                "i8042.c: Unable to get stable CTR read.\n");
+                        return -EIO;
+                }
+                if (n != 0)
+                        udelay(50);
+                if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) {
+                        printk(KERN_ERR
+                                "i8042.c: Can't read CTR while initializing i8042.\n");
+                        return -EIO;
+                }
-        i8042_initial_ctr = i8042_ctr;
+        } while (n < 2 || ctr[0] != ctr[1]);
+        i8042_initial_ctr = i8042_ctr = ctr[0];
 /*
 * Disable the keyboard interface and interrupt.
@@ -895,6 +910,12 @@ static int i8042_controller_init(void)
                return -EIO;
        }
+/*
+ * Flush whatever accumulated while we were disabling keyboard port.
+ */
+        i8042_flush();
        return 0;
 }
@@ -914,7 +935,7 @@ static void i8042_controller_reset(void)
        i8042_ctr |= I8042_CTR_KBDDIS | I8042_CTR_AUXDIS;
        i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT);
-        if (i8042_command(&i8042_initial_ctr, I8042_CMD_CTL_WCTR))
+        if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR))
                printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n");
 /*
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 5d2f48f02251..3c29a20b751e 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -1427,19 +1427,31 @@ static int e100_phy_init(struct nic *nic)
        } else
                DPRINTK(HW, DEBUG, "phy_addr = %d\n", nic->mii.phy_id);
-        /* Isolate all the PHY ids */
-        for (addr = 0; addr < 32; addr++)
-                mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE);
-        /* Select the discovered PHY */
-        bmcr &= ~BMCR_ISOLATE;
-        mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr);
        /* Get phy ID */
        id_lo = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID1);
        id_hi = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID2);
        nic->phy = (u32)id_hi << 16 | (u32)id_lo;
        DPRINTK(HW, DEBUG, "phy ID = 0x%08X\n", nic->phy);
+        /* Select the phy and isolate the rest */
+        for (addr = 0; addr < 32; addr++) {
+                if (addr != nic->mii.phy_id) {
+                        mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE);
+                } else if (nic->phy != phy_82552_v) {
+                        bmcr = mdio_read(netdev, addr, MII_BMCR);
+                        mdio_write(netdev, addr, MII_BMCR,
+                                bmcr & ~BMCR_ISOLATE);
+                }
+        }
+        /*
+         * Workaround for 82552:
+         * Clear the ISOLATE bit on selected phy_id last (mirrored on all
+         * other phy_id's) using bmcr value from addr discovery loop above.
+         */
+        if (nic->phy == phy_82552_v)
+                mdio_write(netdev, nic->mii.phy_id, MII_BMCR,
+                        bmcr & ~BMCR_ISOLATE);
        /* Handle National tx phys */
 #define NCS_PHY_MODEL_MASK      0xFFF0FFFF
        if ((nic->phy & NCS_PHY_MODEL_MASK) == phy_nsc_tx) {
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index c0f185beb8bc..1190167a8b3d 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -76,6 +76,7 @@
 /* Extended Device Control */
 #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Definable Pin 7 */
 #define E1000_CTRL_EXT_EE_RST    0x00002000 /* Reinitialize from EEPROM */
+#define E1000_CTRL_EXT_SPD_BYPS  0x00008000 /* Speed Select Bypass */
 #define E1000_CTRL_EXT_RO_DIS    0x00020000 /* Relaxed Ordering disable */
 #define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */
 #define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
@@ -347,6 +348,7 @@
 /* Extended Configuration Control and Size */
 #define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP      0x00000020
 #define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE       0x00000001
+#define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE       0x00000008
 #define E1000_EXTCNF_CTRL_SWFLAG                 0x00000020
 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK   0x00FF0000
 #define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT          16
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 405a144ebcad..189dfa2d6c76 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -141,6 +141,20 @@ struct e1000_info;
 #define HV_TNCRS_UPPER          PHY_REG(778, 29) /* Transmit with no CRS */
 #define HV_TNCRS_LOWER          PHY_REG(778, 30)
+/* BM PHY Copper Specific Status */
+#define BM_CS_STATUS                      17
+#define BM_CS_STATUS_LINK_UP              0x0400
+#define BM_CS_STATUS_RESOLVED             0x0800
+#define BM_CS_STATUS_SPEED_MASK           0xC000
+#define BM_CS_STATUS_SPEED_1000           0x8000
+/* 82577 Mobile Phy Status Register */
+#define HV_M_STATUS                       26
+#define HV_M_STATUS_AUTONEG_COMPLETE      0x1000
+#define HV_M_STATUS_SPEED_MASK            0x0300
+#define HV_M_STATUS_SPEED_1000            0x0200
+#define HV_M_STATUS_LINK_UP               0x0040
 enum e1000_boards {
        board_82571,
        board_82572,
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 7b05cf47f7f5..aaea41ef794d 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -903,6 +903,7 @@ struct e1000_shadow_ram {
 struct e1000_dev_spec_ich8lan {
        bool kmrn_lock_loss_workaround_enabled;
        struct e1000_shadow_ram shadow_ram[E1000_ICH8_SHADOW_RAM_WORDS];
+        bool nvm_k1_enabled;
 };
 struct e1000_hw {
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index b6388b9535fd..51ddb04ab195 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -124,11 +124,25 @@
 #define SW_FLAG_TIMEOUT    1000 /* SW Semaphore flag timeout in milliseconds */
+/* SMBus Address Phy Register */
+#define HV_SMB_ADDR            PHY_REG(768, 26)
+#define HV_SMB_ADDR_PEC_EN     0x0200
+#define HV_SMB_ADDR_VALID      0x0080
+/* Strapping Option Register - RO */
+#define E1000_STRAP                     0x0000C
+#define E1000_STRAP_SMBUS_ADDRESS_MASK  0x00FE0000
+#define E1000_STRAP_SMBUS_ADDRESS_SHIFT 17
 /* OEM Bits Phy Register */
 #define HV_OEM_BITS            PHY_REG(768, 25)
 #define HV_OEM_BITS_LPLU       0x0004 /* Low Power Link Up */
+#define HV_OEM_BITS_GBE_DIS    0x0040 /* Gigabit Disable */
 #define HV_OEM_BITS_RESTART_AN 0x0400 /* Restart Auto-negotiation */
+#define E1000_NVM_K1_CONFIG 0x1B /* NVM K1 Config Word */
+#define E1000_NVM_K1_ENABLE 0x1  /* NVM Enable K1 bit */
 /* ICH GbE Flash Hardware Sequencing Flash Status Register bit breakdown */
 /* Offset 04h HSFSTS */
 union ich8_hws_flash_status {
@@ -208,6 +222,9 @@ static s32 e1000_cleanup_led_pchlan(struct e1000_hw *hw);
 static s32 e1000_led_on_pchlan(struct e1000_hw *hw);
 static s32 e1000_led_off_pchlan(struct e1000_hw *hw);
 static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active);
+static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw);
+static s32  e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
+static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable);
 static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
 {
@@ -483,14 +500,6 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
                goto out;
        }
-        if (hw->mac.type == e1000_pchlan) {
-                ret_val = e1000e_write_kmrn_reg(hw,
-                                                   E1000_KMRNCTRLSTA_K1_CONFIG,
-                                                   E1000_KMRNCTRLSTA_K1_ENABLE);
-                if (ret_val)
-                        goto out;
-        }
        /*
         * First we want to see if the MII Status Register reports
         * link.  If so, then we want to get the current speed/duplex
@@ -500,6 +509,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
        if (ret_val)
                goto out;
+        if (hw->mac.type == e1000_pchlan) {
+                ret_val = e1000_k1_gig_workaround_hv(hw, link);
+                if (ret_val)
+                        goto out;
+        }
        if (!link)
                goto out; /* No link detected */
@@ -794,6 +809,326 @@ static s32 e1000_phy_force_speed_duplex_ich8lan(struct e1000_hw *hw)
 }
 /**
+ *  e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration
+ *  @hw:   pointer to the HW structure
+ *
+ *  SW should configure the LCD from the NVM extended configuration region
+ *  as a workaround for certain parts.
+ **/
+static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
+{
+        struct e1000_phy_info *phy = &hw->phy;
+        u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask;
+        s32 ret_val;
+        u16 word_addr, reg_data, reg_addr, phy_page = 0;
+        ret_val = hw->phy.ops.acquire_phy(hw);
+        if (ret_val)
+                return ret_val;
+        /*
+         * Initialize the PHY from the NVM on ICH platforms.  This
+         * is needed due to an issue where the NVM configuration is
+         * not properly autoloaded after power transitions.
+         * Therefore, after each PHY reset, we will load the
+         * configuration data out of the NVM manually.
+         */
+        if ((hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) ||
+                (hw->mac.type == e1000_pchlan)) {
+                struct e1000_adapter *adapter = hw->adapter;
+                /* Check if SW needs to configure the PHY */
+                if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) ||
+                    (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M) ||
+                    (hw->mac.type == e1000_pchlan))
+                        sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
+                else
+                        sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG;
+                data = er32(FEXTNVM);
+                if (!(data & sw_cfg_mask))
+                        goto out;
+                /* Wait for basic configuration completes before proceeding */
+                e1000_lan_init_done_ich8lan(hw);
+                /*
+                 * Make sure HW does not configure LCD from PHY
+                 * extended configuration before SW configuration
+                 */
+                data = er32(EXTCNF_CTRL);
+                if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)
+                        goto out;
+                cnf_size = er32(EXTCNF_SIZE);
+                cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK;
+                cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT;
+                if (!cnf_size)
+                        goto out;
+                cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
+                cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
+                if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) &&
+                    (hw->mac.type == e1000_pchlan)) {
+                        /*
+                         * HW configures the SMBus address and LEDs when the
+                         * OEM and LCD Write Enable bits are set in the NVM.
+                         * When both NVM bits are cleared, SW will configure
+                         * them instead.
+                         */
+                        data = er32(STRAP);
+                        data &= E1000_STRAP_SMBUS_ADDRESS_MASK;
+                        reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT;
+                        reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
+                        ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR,
+                                                                reg_data);
+                        if (ret_val)
+                                goto out;
+                        data = er32(LEDCTL);
+                        ret_val = e1000_write_phy_reg_hv_locked(hw,
+                                                                HV_LED_CONFIG,
+                                                                (u16)data);
+                        if (ret_val)
+                                goto out;
+                }
+                /* Configure LCD from extended configuration region. */
+                /* cnf_base_addr is in DWORD */
+                word_addr = (u16)(cnf_base_addr << 1);
+                for (i = 0; i < cnf_size; i++) {
+                        ret_val = e1000_read_nvm(hw, (word_addr + i * 2), 1,
+                                                   &reg_data);
+                        if (ret_val)
+                                goto out;
+                        ret_val = e1000_read_nvm(hw, (word_addr + i * 2 + 1),
+                                                   1, &reg_addr);
+                        if (ret_val)
+                                goto out;
+                        /* Save off the PHY page for future writes. */
+                        if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) {
+                                phy_page = reg_data;
+                                continue;
+                        }
+                        reg_addr &= PHY_REG_MASK;
+                        reg_addr |= phy_page;
+                        ret_val = phy->ops.write_phy_reg_locked(hw,
+                                                            (u32)reg_addr,
+                                                            reg_data);
+                        if (ret_val)
+                                goto out;
+                }
+        }
+out:
+        hw->phy.ops.release_phy(hw);
+        return ret_val;
+}
+/**
+ *  e1000_k1_gig_workaround_hv - K1 Si workaround
+ *  @hw:   pointer to the HW structure
+ *  @link: link up bool flag
+ *
+ *  If K1 is enabled for 1Gbps, the MAC might stall when transitioning
+ *  from a lower speed.  This workaround disables K1 whenever link is at 1Gig
+ *  If link is down, the function will restore the default K1 setting located
+ *  in the NVM.
+ **/
+static s32 e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link)
+{
+        s32 ret_val = 0;
+        u16 status_reg = 0;
+        bool k1_enable = hw->dev_spec.ich8lan.nvm_k1_enabled;
+        if (hw->mac.type != e1000_pchlan)
+                goto out;
+        /* Wrap the whole flow with the sw flag */
+        ret_val = hw->phy.ops.acquire_phy(hw);
+        if (ret_val)
+                goto out;
+        /* Disable K1 when link is 1Gbps, otherwise use the NVM setting */
+        if (link) {
+                if (hw->phy.type == e1000_phy_82578) {
+                        ret_val = hw->phy.ops.read_phy_reg_locked(hw,
+                                                                  BM_CS_STATUS,
+                                                                  &status_reg);
+                        if (ret_val)
+                                goto release;
+                        status_reg &= BM_CS_STATUS_LINK_UP |
+                                      BM_CS_STATUS_RESOLVED |
+                                      BM_CS_STATUS_SPEED_MASK;
+                        if (status_reg == (BM_CS_STATUS_LINK_UP |
+                                           BM_CS_STATUS_RESOLVED |
+                                           BM_CS_STATUS_SPEED_1000))
+                                k1_enable = false;
+                }
+                if (hw->phy.type == e1000_phy_82577) {
+                        ret_val = hw->phy.ops.read_phy_reg_locked(hw,
+                                                                  HV_M_STATUS,
+                                                                  &status_reg);
+                        if (ret_val)
+                                goto release;
+                        status_reg &= HV_M_STATUS_LINK_UP |
+                                      HV_M_STATUS_AUTONEG_COMPLETE |
+                                      HV_M_STATUS_SPEED_MASK;
+                        if (status_reg == (HV_M_STATUS_LINK_UP |
+                                           HV_M_STATUS_AUTONEG_COMPLETE |
+                                           HV_M_STATUS_SPEED_1000))
+                                k1_enable = false;
+                }
+                /* Link stall fix for link up */
+                ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19),
+                                                           0x0100);
+                if (ret_val)
+                        goto release;
+        } else {
+                /* Link stall fix for link down */
+                ret_val = hw->phy.ops.write_phy_reg_locked(hw, PHY_REG(770, 19),
+                                                           0x4100);
+                if (ret_val)
+                        goto release;
+        }
+        ret_val = e1000_configure_k1_ich8lan(hw, k1_enable);
+release:
+        hw->phy.ops.release_phy(hw);
+out:
+        return ret_val;
+}
+/**
+ *  e1000_configure_k1_ich8lan - Configure K1 power state
+ *  @hw: pointer to the HW structure
+ *  @enable: K1 state to configure
+ *
+ *  Configure the K1 power state based on the provided parameter.
+ *  Assumes semaphore already acquired.
+ *
+ *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
+ **/
+static s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable)
+{
+        s32 ret_val = 0;
+        u32 ctrl_reg = 0;
+        u32 ctrl_ext = 0;
+        u32 reg = 0;
+        u16 kmrn_reg = 0;
+        ret_val = e1000e_read_kmrn_reg_locked(hw,
+                                             E1000_KMRNCTRLSTA_K1_CONFIG,
+                                             &kmrn_reg);
+        if (ret_val)
+                goto out;
+        if (k1_enable)
+                kmrn_reg |= E1000_KMRNCTRLSTA_K1_ENABLE;
+        else
+                kmrn_reg &= ~E1000_KMRNCTRLSTA_K1_ENABLE;
+        ret_val = e1000e_write_kmrn_reg_locked(hw,
+                                              E1000_KMRNCTRLSTA_K1_CONFIG,
+                                              kmrn_reg);
+        if (ret_val)
+                goto out;
+        udelay(20);
+        ctrl_ext = er32(CTRL_EXT);
+        ctrl_reg = er32(CTRL);
+        reg = ctrl_reg & ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
+        reg |= E1000_CTRL_FRCSPD;
+        ew32(CTRL, reg);
+        ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_SPD_BYPS);
+        udelay(20);
+        ew32(CTRL, ctrl_reg);
+        ew32(CTRL_EXT, ctrl_ext);
+        udelay(20);
+out:
+        return ret_val;
+}
+/**
+ *  e1000_oem_bits_config_ich8lan - SW-based LCD Configuration
+ *  @hw:       pointer to the HW structure
+ *  @d0_state: boolean if entering d0 or d3 device state
+ *
+ *  SW will configure Gbe Disable and LPLU based on the NVM. The four bits are
+ *  collectively called OEM bits.  The OEM Write Enable bit and SW Config bit
+ *  in NVM determines whether HW should configure LPLU and Gbe Disable.
+ **/
+static s32 e1000_oem_bits_config_ich8lan(struct e1000_hw *hw, bool d0_state)
+{
+        s32 ret_val = 0;
+        u32 mac_reg;
+        u16 oem_reg;
+        if (hw->mac.type != e1000_pchlan)
+                return ret_val;
+        ret_val = hw->phy.ops.acquire_phy(hw);
+        if (ret_val)
+                return ret_val;
+        mac_reg = er32(EXTCNF_CTRL);
+        if (mac_reg & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE)
+                goto out;
+        mac_reg = er32(FEXTNVM);
+        if (!(mac_reg & E1000_FEXTNVM_SW_CONFIG_ICH8M))
+                goto out;
+        mac_reg = er32(PHY_CTRL);
+        ret_val = hw->phy.ops.read_phy_reg_locked(hw, HV_OEM_BITS, &oem_reg);
+        if (ret_val)
+                goto out;
+        oem_reg &= ~(HV_OEM_BITS_GBE_DIS | HV_OEM_BITS_LPLU);
+        if (d0_state) {
+                if (mac_reg & E1000_PHY_CTRL_GBE_DISABLE)
+                        oem_reg |= HV_OEM_BITS_GBE_DIS;
+                if (mac_reg & E1000_PHY_CTRL_D0A_LPLU)
+                        oem_reg |= HV_OEM_BITS_LPLU;
+        } else {
+                if (mac_reg & E1000_PHY_CTRL_NOND0A_GBE_DISABLE)
+                        oem_reg |= HV_OEM_BITS_GBE_DIS;
+                if (mac_reg & E1000_PHY_CTRL_NOND0A_LPLU)
+                        oem_reg |= HV_OEM_BITS_LPLU;
+        }
+        /* Restart auto-neg to activate the bits */
+        oem_reg |= HV_OEM_BITS_RESTART_AN;
+        ret_val = hw->phy.ops.write_phy_reg_locked(hw, HV_OEM_BITS, oem_reg);
+out:
+        hw->phy.ops.release_phy(hw);
+        return ret_val;
+}
+/**
 *  e1000_hv_phy_workarounds_ich8lan - A series of Phy workarounds to be
 *  done after every PHY reset.
 **/
@@ -833,10 +1168,20 @@ static s32 e1000_hv_phy_workarounds_ich8lan(struct e1000_hw *hw)
        ret_val = hw->phy.ops.acquire_phy(hw);
        if (ret_val)
                return ret_val;
        hw->phy.addr = 1;
-        e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0);
+        ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, 0);
+        if (ret_val)
+                goto out;
        hw->phy.ops.release_phy(hw);
+        /*
+         * Configure the K1 Si workaround during phy reset assuming there is
+         * link so that it disables K1 if link is in 1Gbps.
+         */
+        ret_val = e1000_k1_gig_workaround_hv(hw, true);
+out:
        return ret_val;
 }
@@ -882,11 +1227,8 @@ static void e1000_lan_init_done_ich8lan(struct e1000_hw *hw)
 **/
 static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
 {
-        struct e1000_phy_info *phy = &hw->phy;
+        s32 ret_val = 0;
-        u32 i;
+        u16 reg;
-        u32 data, cnf_size, cnf_base_addr, sw_cfg_mask;
-        s32 ret_val;
-        u16 reg, word_addr, reg_data, reg_addr, phy_page = 0;
        ret_val = e1000e_phy_hw_reset_generic(hw);
        if (ret_val)
@@ -905,81 +1247,16 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
        if (hw->mac.type == e1000_pchlan)
                e1e_rphy(hw, BM_WUC, &reg);
-        /*
+        /* Configure the LCD with the extended configuration region in NVM */
-         * Initialize the PHY from the NVM on ICH platforms.  This
+        ret_val = e1000_sw_lcd_config_ich8lan(hw);
-         * is needed due to an issue where the NVM configuration is
+        if (ret_val)
-         * not properly autoloaded after power transitions.
+                goto out;
-         * Therefore, after each PHY reset, we will load the
-         * configuration data out of the NVM manually.
-         */
-        if (hw->mac.type == e1000_ich8lan && phy->type == e1000_phy_igp_3) {
-                struct e1000_adapter *adapter = hw->adapter;
-                /* Check if SW needs configure the PHY */
-                if ((adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M_AMT) ||
-                    (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_M))
-                        sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
-                else
-                        sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG;
-                data = er32(FEXTNVM);
-                if (!(data & sw_cfg_mask))
-                        return 0;
-                /* Wait for basic configuration completes before proceeding */
-                e1000_lan_init_done_ich8lan(hw);
-                /*
-                 * Make sure HW does not configure LCD from PHY
-                 * extended configuration before SW configuration
-                 */
-                data = er32(EXTCNF_CTRL);
-                if (data & E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE)
-                        return 0;
-                cnf_size = er32(EXTCNF_SIZE);
-                cnf_size &= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK;
-                cnf_size >>= E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT;
-                if (!cnf_size)
-                        return 0;
-                cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
-                cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
-                /* Configure LCD from extended configuration region. */
-                /* cnf_base_addr is in DWORD */
-                word_addr = (u16)(cnf_base_addr << 1);
-                for (i = 0; i < cnf_size; i++) {
-                        ret_val = e1000_read_nvm(hw,
-                                                (word_addr + i * 2),
-                                                1,
-                                                &reg_data);
-                        if (ret_val)
-                                return ret_val;
-                        ret_val = e1000_read_nvm(hw,
-                                                (word_addr + i * 2 + 1),
-                                                1,
-                                                &reg_addr);
-                        if (ret_val)
-                                return ret_val;
-                        /* Save off the PHY page for future writes. */
-                        if (reg_addr == IGP01E1000_PHY_PAGE_SELECT) {
-                                phy_page = reg_data;
-                                continue;
-                        }
-                        reg_addr |= phy_page;
-                        ret_val = e1e_wphy(hw, (u32)reg_addr, reg_data);
+        /* Configure the LCD with the OEM bits in NVM */
-                        if (ret_val)
+        if (hw->mac.type == e1000_pchlan)
-                                return ret_val;
+                ret_val = e1000_oem_bits_config_ich8lan(hw, true);
-                }
-        }
+out:
        return 0;
 }
@@ -2306,6 +2583,7 @@ static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw)
 **/
 static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
 {
+        struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
        u16 reg;
        u32 ctrl, icr, kab;
        s32 ret_val;
@@ -2341,6 +2619,18 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
                ew32(PBS, E1000_PBS_16K);
        }
+        if (hw->mac.type == e1000_pchlan) {
+                /* Save the NVM K1 bit setting*/
+                ret_val = e1000_read_nvm(hw, E1000_NVM_K1_CONFIG, 1, &reg);
+                if (ret_val)
+                        return ret_val;
+                if (reg & E1000_NVM_K1_ENABLE)
+                        dev_spec->nvm_k1_enabled = true;
+                else
+                        dev_spec->nvm_k1_enabled = false;
+        }
        ctrl = er32(CTRL);
        if (!e1000_check_reset_block(hw)) {
@@ -2386,6 +2676,15 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
        if (hw->mac.type == e1000_pchlan)
                e1e_rphy(hw, BM_WUC, &reg);
+        ret_val = e1000_sw_lcd_config_ich8lan(hw);
+        if (ret_val)
+                goto out;
+        if (hw->mac.type == e1000_pchlan) {
+                ret_val = e1000_oem_bits_config_ich8lan(hw, true);
+                if (ret_val)
+                        goto out;
+        }
        /*
         * For PCH, this write will make sure that any noise
         * will be detected as a CRC error and be dropped rather than show up
@@ -2404,6 +2703,7 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
        if (hw->mac.type == e1000_pchlan)
                ret_val = e1000_hv_phy_workarounds_ich8lan(hw);
+out:
        return ret_val;
 }
@@ -2708,14 +3008,6 @@ static s32 e1000_get_link_up_info_ich8lan(struct e1000_hw *hw, u16 *speed,
        if (ret_val)
                return ret_val;
-        if ((hw->mac.type == e1000_pchlan) && (*speed == SPEED_1000)) {
-                ret_val = e1000e_write_kmrn_reg(hw,
-                                                  E1000_KMRNCTRLSTA_K1_CONFIG,
-                                                  E1000_KMRNCTRLSTA_K1_DISABLE);
-                if (ret_val)
-                        return ret_val;
-        }
        if ((hw->mac.type == e1000_ich8lan) &&
            (hw->phy.type == e1000_phy_igp_3) &&
            (*speed == SPEED_1000)) {
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index f9d33ab05e97..03175b3a2c9e 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -95,13 +95,6 @@ static const u16 e1000_igp_2_cable_length_table[] =
 /* BM PHY Copper Specific Control 1 */
 #define BM_CS_CTRL1                       16
-/* BM PHY Copper Specific Status */
-#define BM_CS_STATUS                      17
-#define BM_CS_STATUS_LINK_UP              0x0400
-#define BM_CS_STATUS_RESOLVED             0x0800
-#define BM_CS_STATUS_SPEED_MASK           0xC000
-#define BM_CS_STATUS_SPEED_1000           0x8000
 #define HV_MUX_DATA_CTRL               PHY_REG(776, 16)
 #define HV_MUX_DATA_CTRL_GEN_TO_MAC    0x0400
 #define HV_MUX_DATA_CTRL_FORCE_SPEED   0x0004
@@ -563,7 +556,7 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
 }
 /**
- *  e1000_read_kmrn_reg_locked -  Read kumeran register
+ *  e1000e_read_kmrn_reg_locked -  Read kumeran register
 *  @hw: pointer to the HW structure
 *  @offset: register offset to be read
 *  @data: pointer to the read data
@@ -572,7 +565,7 @@ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data)
 *  information retrieved is stored in data.
 *  Assumes semaphore already acquired.
 **/
-s32 e1000_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
+s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data)
 {
        return __e1000_read_kmrn_reg(hw, offset, data, true);
 }
@@ -631,7 +624,7 @@ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
 }
 /**
- *  e1000_write_kmrn_reg_locked -  Write kumeran register
+ *  e1000e_write_kmrn_reg_locked -  Write kumeran register
 *  @hw: pointer to the HW structure
 *  @offset: register offset to write to
 *  @data: data to write at register offset
@@ -639,7 +632,7 @@ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data)
 *  Write the data to PHY register at the offset using the kumeran interface.
 *  Assumes semaphore already acquired.
 **/
-s32 e1000_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
+s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data)
 {
        return __e1000_write_kmrn_reg(hw, offset, data, true);
 }
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index bd3447f04902..94c9ad2746bc 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -1760,7 +1760,7 @@ static struct pcmcia_device_id pcnet_ids[] = {
        PCMCIA_DEVICE_CIS_MANF_CARD(0xc00f, 0x0002, "cis/LA-PCM.cis"),
        PCMCIA_DEVICE_CIS_PROD_ID12("KTI", "PE520 PLUS", 0xad180345, 0x9d58d392, "PE520.cis"),
        PCMCIA_DEVICE_CIS_PROD_ID12("NDC", "Ethernet", 0x01c43ae1, 0x00b2e941, "cis/NE2K.cis"),
-        PCMCIA_DEVICE_CIS_PROD_ID12("PMX   ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "PE-200.cis"),
+        PCMCIA_DEVICE_CIS_PROD_ID12("PMX   ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "cis/PE-200.cis"),
        PCMCIA_DEVICE_CIS_PROD_ID12("TAMARACK", "Ethernet", 0xcf434fba, 0x00b2e941, "cis/tamarack.cis"),
        PCMCIA_DEVICE_PROD_ID12("Ethernet", "CF Size PC Card", 0x00b2e941, 0x43ac239b),
        PCMCIA_DEVICE_PROD_ID123("Fast Ethernet", "CF Size PC Card", "1.0",
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index f98ef523f525..fa4935678488 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -3379,7 +3379,7 @@ static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
 {
        /* Low hurts. Let's disable the filtering. */
-        RTL_W16(RxMaxSize, rx_buf_sz);
+        RTL_W16(RxMaxSize, rx_buf_sz + 1);
 }
 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 2ab5c39f33ca..6a10d7ba5877 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -4538,6 +4538,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
                goto err_out_free_netdev;
        }
+        netif_carrier_off(dev);
        netif_napi_add(dev, &hw->napi, sky2_poll, NAPI_WEIGHT);
        err = request_irq(pdev->irq, sky2_intr,
diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c
index 36cb2423bcf1..75fa32e34fd0 100644
--- a/drivers/net/tokenring/ibmtr.c
+++ b/drivers/net/tokenring/ibmtr.c
@@ -1144,9 +1144,16 @@ static void dir_open_adapter (struct net_device *dev)
                } else {
                        char **prphase = printphase;
                        char **prerror = printerror;
+                        int pnr = err / 16 - 1;
+                        int enr = err % 16 - 1;
                        DPRINTK("TR Adapter misc open failure, error code = ");
-                        printk("0x%x, Phase: %s, Error: %s\n",
+                        if (pnr < 0 || pnr >= ARRAY_SIZE(printphase) ||
-                                err, prphase[err/16 -1], prerror[err%16 -1]);
+                                        enr < 0 ||
+                                        enr >= ARRAY_SIZE(printerror))
+                                printk("0x%x, invalid Phase/Error.", err);
+                        else
+                                printk("0x%x, Phase: %s, Error: %s\n", err,
+                                                prphase[pnr], prerror[enr]);
                        printk(" retrying after %ds delay...\n",
                                        TR_RETRY_INTERVAL/HZ);
                }
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 16a271787b85..1895d63aad0a 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -679,7 +679,7 @@ static u8 ath_rc_get_highest_rix(struct ath_softc *sc,
                return rate;
        if (rate_table->info[rate].valid_single_stream &&
-            !(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG));
+            !(ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG))
                return rate;
        /* This should not happen */
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 8701034569fa..de4e804bedf0 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1157,8 +1157,9 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)
 }
 static int dma_tx_fragment(struct b43_dmaring *ring,
-                           struct sk_buff *skb)
+                           struct sk_buff **in_skb)
 {
+        struct sk_buff *skb = *in_skb;
        const struct b43_dma_ops *ops = ring->ops;
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
        u8 *header;
@@ -1224,8 +1225,14 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
                }
                memcpy(skb_put(bounce_skb, skb->len), skb->data, skb->len);
+                memcpy(bounce_skb->cb, skb->cb, sizeof(skb->cb));
+                bounce_skb->dev = skb->dev;
+                skb_set_queue_mapping(bounce_skb, skb_get_queue_mapping(skb));
+                info = IEEE80211_SKB_CB(bounce_skb);
                dev_kfree_skb_any(skb);
                skb = bounce_skb;
+                *in_skb = bounce_skb;
                meta->skb = skb;
                meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
                if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
@@ -1355,7 +1362,11 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
         * static, so we don't need to store it per frame. */
        ring->queue_prio = skb_get_queue_mapping(skb);
-        err = dma_tx_fragment(ring, skb);
+        /* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
+         * into the skb data or cb now. */
+        hdr = NULL;
+        info = NULL;
+        err = dma_tx_fragment(ring, &skb);
        if (unlikely(err == -ENOKEY)) {
                /* Drop this packet, as we don't have the encryption key
                 * anymore and must not transmit it unencrypted. */
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 240cff1e6979..a741d37fd96f 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -6325,8 +6325,10 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
      fail:
        if (dev) {
-                if (registered)
+                if (registered) {
+                        unregister_ieee80211(priv->ieee);
                        unregister_netdev(dev);
+                }
                ipw2100_hw_stop_adapter(priv);
@@ -6383,6 +6385,7 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
                /* Unregister the device first - this results in close()
                 * being called if the device is open.  If we free storage
                 * first, then close() will crash. */
+                unregister_ieee80211(priv->ieee);
                unregister_netdev(dev);
                /* ipw2100_down will ensure that there is no more pending work
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 827824d45de9..9b0f2c0646e0 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -11822,6 +11822,7 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
                if (err) {
                        IPW_ERROR("Failed to register promiscuous network "
                                  "device (error %d).\n", err);
+                        unregister_ieee80211(priv->ieee);
                        unregister_netdev(priv->net_dev);
                        goto out_remove_sysfs;
                }
@@ -11872,6 +11873,7 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev)
        mutex_unlock(&priv->mutex);
+        unregister_ieee80211(priv->ieee);
        unregister_netdev(priv->net_dev);
        if (priv->rxq) {
diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h
index bf45391172f3..f42ade6c2d3e 100644
--- a/drivers/net/wireless/ipw2x00/libipw.h
+++ b/drivers/net/wireless/ipw2x00/libipw.h
@@ -1020,6 +1020,7 @@ static inline int libipw_is_cck_rate(u8 rate)
 /* ieee80211.c */
 extern void free_ieee80211(struct net_device *dev, int monitor);
 extern struct net_device *alloc_ieee80211(int sizeof_priv, int monitor);
+extern void unregister_ieee80211(struct libipw_device *ieee);
 extern int libipw_change_mtu(struct net_device *dev, int new_mtu);
 extern void libipw_networks_age(struct libipw_device *ieee,
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index a0e9f6aed7da..be5b809ec97a 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -235,16 +235,19 @@ void free_ieee80211(struct net_device *dev, int monitor)
        libipw_networks_free(ieee);
        /* free cfg80211 resources */
-        if (!monitor) {
+        if (!monitor)
-                wiphy_unregister(ieee->wdev.wiphy);
-                kfree(ieee->a_band.channels);
-                kfree(ieee->bg_band.channels);
                wiphy_free(ieee->wdev.wiphy);
-        }
        free_netdev(dev);
 }
+void unregister_ieee80211(struct libipw_device *ieee)
+{
+        wiphy_unregister(ieee->wdev.wiphy);
+        kfree(ieee->a_band.channels);
+        kfree(ieee->bg_band.channels);
+}
 #ifdef CONFIG_LIBIPW_DEBUG
 static int debug = 0;
@@ -330,3 +333,4 @@ module_init(libipw_init);
 EXPORT_SYMBOL(alloc_ieee80211);
 EXPORT_SYMBOL(free_ieee80211);
+EXPORT_SYMBOL(unregister_ieee80211);
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 92bc8c5f1ca2..3fac4efa5ac8 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -508,7 +508,7 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
        /* Fill the receive configuration URB and initialise the Rx call back */
        usb_fill_bulk_urb(cardp->rx_urb, cardp->udev,
                          usb_rcvbulkpipe(cardp->udev, cardp->ep_in),
-                          (void *) (skb->tail + (size_t) IPFIELD_ALIGN_OFFSET),
+                          skb->data + IPFIELD_ALIGN_OFFSET,
                          MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn,
                          cardp);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index b8f5ee33445e..14e7bb210075 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2389,10 +2389,13 @@ static struct usb_device_id rt73usb_device_table[] = {
        { USB_DEVICE(0x13b1, 0x0023), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x13b1, 0x0028), USB_DEVICE_DATA(&rt73usb_ops) },
        /* MSI */
+        { USB_DEVICE(0x0db0, 0x4600), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x0db0, 0x6877), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x0db0, 0x6874), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x0db0, 0xa861), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x0db0, 0xa874), USB_DEVICE_DATA(&rt73usb_ops) },
+        /* Ovislink */
+        { USB_DEVICE(0x1b75, 0x7318), USB_DEVICE_DATA(&rt73usb_ops) },
        /* Ralink */
        { USB_DEVICE(0x04bb, 0x093d), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x148f, 0x2573), USB_DEVICE_DATA(&rt73usb_ops) },
@@ -2420,6 +2423,8 @@ static struct usb_device_id rt73usb_device_table[] = {
        /* Planex */
        { USB_DEVICE(0x2019, 0xab01), USB_DEVICE_DATA(&rt73usb_ops) },
        { USB_DEVICE(0x2019, 0xab50), USB_DEVICE_DATA(&rt73usb_ops) },
+        /* WideTell */
+        { USB_DEVICE(0x7167, 0x3840), USB_DEVICE_DATA(&rt73usb_ops) },
        /* Zcom */
        { USB_DEVICE(0x0cde, 0x001c), USB_DEVICE_DATA(&rt73usb_ops) },
        /* ZyXEL */
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 934d4bee39a0..698d75cda084 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -98,10 +98,13 @@ EXPORT_SYMBOL(pcmcia_socket_list_rwsem);
 * These functions check for the appropriate struct pcmcia_soket arrays,
 * and pass them to the low-level functions pcmcia_{suspend,resume}_socket
 */
+static int socket_early_resume(struct pcmcia_socket *skt);
+static int socket_late_resume(struct pcmcia_socket *skt);
 static int socket_resume(struct pcmcia_socket *skt);
 static int socket_suspend(struct pcmcia_socket *skt);
-int pcmcia_socket_dev_suspend(struct device *dev)
+static void pcmcia_socket_dev_run(struct device *dev,
+                                  int (*cb)(struct pcmcia_socket *))
 {
        struct pcmcia_socket *socket;
@@ -110,29 +113,34 @@ int pcmcia_socket_dev_suspend(struct device *dev)
                if (socket->dev.parent != dev)
                        continue;
                mutex_lock(&socket->skt_mutex);
-                socket_suspend(socket);
+                cb(socket);
                mutex_unlock(&socket->skt_mutex);
        }
        up_read(&pcmcia_socket_list_rwsem);
+}
+int pcmcia_socket_dev_suspend(struct device *dev)
+{
+        pcmcia_socket_dev_run(dev, socket_suspend);
        return 0;
 }
 EXPORT_SYMBOL(pcmcia_socket_dev_suspend);
-int pcmcia_socket_dev_resume(struct device *dev)
+void pcmcia_socket_dev_early_resume(struct device *dev)
 {
-        struct pcmcia_socket *socket;
+        pcmcia_socket_dev_run(dev, socket_early_resume);
+}
+EXPORT_SYMBOL(pcmcia_socket_dev_early_resume);
-        down_read(&pcmcia_socket_list_rwsem);
+void pcmcia_socket_dev_late_resume(struct device *dev)
-        list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
+{
-                if (socket->dev.parent != dev)
+        pcmcia_socket_dev_run(dev, socket_late_resume);
-                        continue;
+}
-                mutex_lock(&socket->skt_mutex);
+EXPORT_SYMBOL(pcmcia_socket_dev_late_resume);
-                socket_resume(socket);
-                mutex_unlock(&socket->skt_mutex);
-        }
-        up_read(&pcmcia_socket_list_rwsem);
+int pcmcia_socket_dev_resume(struct device *dev)
+{
+        pcmcia_socket_dev_run(dev, socket_resume);
        return 0;
 }
 EXPORT_SYMBOL(pcmcia_socket_dev_resume);
@@ -546,29 +554,24 @@ static int socket_suspend(struct pcmcia_socket *skt)
        return 0;
 }
-/*
+static int socket_early_resume(struct pcmcia_socket *skt)
- * Resume a socket.  If a card is present, verify its CIS against
- * our cached copy.  If they are different, the card has been
- * replaced, and we need to tell the drivers.
- */
-static int socket_resume(struct pcmcia_socket *skt)
 {
-        int ret;
-        if (!(skt->state & SOCKET_SUSPEND))
-                return -EBUSY;
        skt->socket = dead_socket;
        skt->ops->init(skt);
        skt->ops->set_socket(skt, &skt->socket);
+        if (skt->state & SOCKET_PRESENT)
+                skt->resume_status = socket_setup(skt, resume_delay);
+        return 0;
+}
+static int socket_late_resume(struct pcmcia_socket *skt)
+{
        if (!(skt->state & SOCKET_PRESENT)) {
                skt->state &= ~SOCKET_SUSPEND;
                return socket_insert(skt);
        }
-        ret = socket_setup(skt, resume_delay);
+        if (skt->resume_status == 0) {
-        if (ret == 0) {
                /*
                 * FIXME: need a better check here for cardbus cards.
                 */
@@ -596,6 +599,20 @@ static int socket_resume(struct pcmcia_socket *skt)
        return 0;
 }
+/*
+ * Resume a socket.  If a card is present, verify its CIS against
+ * our cached copy.  If they are different, the card has been
+ * replaced, and we need to tell the drivers.
+ */
+static int socket_resume(struct pcmcia_socket *skt)
+{
+        if (!(skt->state & SOCKET_SUSPEND))
+                return -EBUSY;
+        socket_early_resume(skt);
+        return socket_late_resume(skt);
+}
 static void socket_remove(struct pcmcia_socket *skt)
 {
        dev_printk(KERN_NOTICE, &skt->dev,
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index abe0e44c6e9e..8be4cc447a17 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -1275,16 +1275,26 @@ static int yenta_dev_resume_noirq(struct device *dev)
        if (socket->type && socket->type->restore_state)
                socket->type->restore_state(socket);
-        return pcmcia_socket_dev_resume(dev);
+        pcmcia_socket_dev_early_resume(dev);
+        return 0;
+}
+static int yenta_dev_resume(struct device *dev)
+{
+        pcmcia_socket_dev_late_resume(dev);
+        return 0;
 }
 static struct dev_pm_ops yenta_pm_ops = {
        .suspend_noirq = yenta_dev_suspend_noirq,
        .resume_noirq = yenta_dev_resume_noirq,
+        .resume = yenta_dev_resume,
        .freeze_noirq = yenta_dev_suspend_noirq,
        .thaw_noirq = yenta_dev_resume_noirq,
+        .thaw = yenta_dev_resume,
        .poweroff_noirq = yenta_dev_suspend_noirq,
        .restore_noirq = yenta_dev_resume_noirq,
+        .restore = yenta_dev_resume,
 };
 #define YENTA_PM_OPS    (&yenta_pm_ops)
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index ff4617e21426..7c7914f5fa02 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -879,10 +879,10 @@ static struct pcmcia_device_id serial_ids[] = {
        PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0175, 0x0000, "cis/DP83903.cis"),
        PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x0035, "cis/3CXEM556.cis"),
        PCMCIA_MFC_DEVICE_CIS_MANF_CARD(1, 0x0101, 0x003d, "cis/3CXEM556.cis"),
-        PCMCIA_DEVICE_CIS_PROD_ID12("Sierra Wireless", "AC850", 0xd85f6206, 0x42a2c018, "SW_8xx_SER.cis"),  /* Sierra Wireless AC850 3G Network Adapter R1 */
+        PCMCIA_DEVICE_CIS_PROD_ID12("Sierra Wireless", "AC850", 0xd85f6206, 0x42a2c018, "cis/SW_8xx_SER.cis"), /* Sierra Wireless AC850 3G Network Adapter R1 */
-        PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0x0710, "SW_7xx_SER.cis"),  /* Sierra Wireless AC710/AC750 GPRS Network Adapter R1 */
+        PCMCIA_DEVICE_CIS_PROD_ID12("Sierra Wireless", "AC710/AC750", 0xd85f6206, 0x761b11e0, "cis/SW_7xx_SER.cis"),  /* Sierra Wireless AC710/AC750 GPRS Network Adapter R1 */
-        PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "SW_555_SER.cis"),  /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */
+        PCMCIA_DEVICE_CIS_MANF_CARD(0x0192, 0xa555, "cis/SW_555_SER.cis"),  /* Sierra Aircard 555 CDMA 1xrtt Modem -- pre update */
-        PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "SW_555_SER.cis"),  /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */
+        PCMCIA_DEVICE_CIS_MANF_CARD(0x013f, 0xa555, "cis/SW_555_SER.cis"),  /* Sierra Aircard 555 CDMA 1xrtt Modem -- post update */
        PCMCIA_DEVICE_CIS_PROD_ID12("MultiTech", "PCMCIA 56K DataFax", 0x842047ee, 0xc2efcf03, "cis/MT5634ZLX.cis"),
        PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-2", 0x96913a85, 0x27ab5437, "cis/COMpad2.cis"),
        PCMCIA_DEVICE_CIS_PROD_ID12("ADVANTECH", "COMpad-32/85B-4", 0x96913a85, 0xcec8f102, "cis/COMpad4.cis"),
diff --git a/firmware/Makefile b/firmware/Makefile
index a6c7c3e47e42..f4ca0c7eb51c 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -69,11 +69,13 @@ fw-shipped-$(CONFIG_E100) += e100/d101m_ucode.bin e100/d101s_ucode.bin \
 fw-shipped-$(CONFIG_MYRI_SBUS) += myricom/lanai.bin
 fw-shipped-$(CONFIG_PCMCIA_PCNET) += cis/LA-PCM.cis cis/PCMLM28.cis \
                                     cis/DP83903.cis cis/NE2K.cis \
-                                     cis/tamarack.cis
+                                     cis/tamarack.cis cis/PE-200.cis
 fw-shipped-$(CONFIG_PCMCIA_3C589) += cis/3CXEM556.cis
 fw-shipped-$(CONFIG_PCMCIA_3C574) += cis/3CCFEM556.cis
 fw-shipped-$(CONFIG_SERIAL_8250_CS) += cis/MT5634ZLX.cis cis/RS-COM-2P.cis \
-                                       cis/COMpad2.cis cis/COMpad4.cis
+                                       cis/COMpad2.cis cis/COMpad4.cis \
+                                       cis/SW_555_SER.cis cis/SW_7xx_SER.cis \
+                                       cis/SW_8xx_SER.cis
 fw-shipped-$(CONFIG_PCMCIA_SMC91C92) += ositech/Xilinx7OD.bin
 fw-shipped-$(CONFIG_SCSI_ADVANSYS) += advansys/mcode.bin advansys/38C1600.bin \
                                      advansys/3550.bin advansys/38C0800.bin
diff --git a/firmware/WHENCE b/firmware/WHENCE
index c437e14f0b11..7a8adc06eb34 100644
--- a/firmware/WHENCE
+++ b/firmware/WHENCE
@@ -600,6 +600,7 @@ File: cis/LA-PCM.cis
      cis/DP83903.cis
      cis/NE2K.cis
      cis/tamarack.cis
+      cis/PE-200.cis
 Licence: GPL
@@ -633,6 +634,9 @@ File: cis/MT5634ZLX.cis
      cis/RS-COM-2P.cis
      cis/COMpad2.cis
      cis/COMpad4.cis
+      cis/SW_555_SER.cis
+      cis/SW_7xx_SER.cis
+      cis/SW_8xx_SER.cis
 Licence: GPL
diff --git a/firmware/cis/PE-200.cis.ihex b/firmware/cis/PE-200.cis.ihex
new file mode 100644
index 000000000000..e6dbdab6eb79
--- /dev/null
+++ b/firmware/cis/PE-200.cis.ihex
@@ -0,0 +1,9 @@
+:1000000001030000FF151E0401504D582020200060
+:1000100050452D3230300045544845524E4554002D
+:1000200052303100FF210206031A050101000101CF
+:100030001B0EC181190155E051000F100F30FFFF59
+:040040001400FF00A9
+:00000001FF
+#
+# Replacement CIS for PE-200 ethernet card
+#
diff --git a/firmware/cis/SW_555_SER.cis.ihex b/firmware/cis/SW_555_SER.cis.ihex
new file mode 100644
index 000000000000..9b9348acee7b
--- /dev/null
+++ b/firmware/cis/SW_555_SER.cis.ihex
@@ -0,0 +1,12 @@
+:100000000101FF17034100FF20043F0110072102F7
+:100010000200152A070053696572726120576972E0
+:10002000656C657373004169724361726420353594
+:1000300035004135353500526576203100FF1A050F
+:1000400001030007731B0BE00118A360F8030730DE
+:10005000BC3F1B08A10108A360F802071B08A2010E
+:1000600008A360E803071B08A30108A360E80207D0
+:0A0070001B04A40108231400FF0084
+:00000001FF
+#
+# Replacement CIS for AC555 provided by Sierra Wireless
+#
diff --git a/firmware/cis/SW_7xx_SER.cis.ihex b/firmware/cis/SW_7xx_SER.cis.ihex
new file mode 100644
index 000000000000..11e44ad86437
--- /dev/null
+++ b/firmware/cis/SW_7xx_SER.cis.ihex
@@ -0,0 +1,13 @@
+:100000000101FF17034100FF2004920110072102A4
+:1000100002001537070053696572726120576972D3
+:10002000656C6573730041433731302F4143373579
+:10003000300047505253204E6574776F726B2041E9
+:1000400064617074657200523100FF1A050103008B
+:1000500007731B10E00119784D555D25A360F80367
+:100060000730BC861B08A10108A360F802071B0823
+:10007000A20108A360E803071B08A30108A360E826
+:0C00800002071B04A40108231400FF0069
+:00000001FF
+#
+# Replacement CIS for AC7xx provided by Sierra Wireless
+#
diff --git a/firmware/cis/SW_8xx_SER.cis.ihex b/firmware/cis/SW_8xx_SER.cis.ihex
new file mode 100644
index 000000000000..bbcfe6348328
--- /dev/null
+++ b/firmware/cis/SW_8xx_SER.cis.ihex
@@ -0,0 +1,13 @@
+:100000000101FF17034100FF2004920110072102A4
+:100010000200152F070053696572726120576972DB
+:10002000656C657373004143383530003347204EAB
+:100030006574776F726B20416461707465720052F1
+:100040003100FF1A0501030007731B10E001197846
+:100050004D555D25A360F8480730BC861B08A101FB
+:1000600008A360F847071B08A20108A360E8480737
+:100070001B08A30108A360E847071B04A401082389
+:040080001400FF0069
+:00000001FF
+#
+# Replacement CIS for AC8xx provided by Sierra Wireless
+#
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 873cd31baa47..15cce53bf61e 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -40,6 +40,24 @@
 #include "fid.h"
 /**
+ * struct p9_rdir - readdir accounting
+ * @mutex: mutex protecting readdir
+ * @head: start offset of current dirread buffer
+ * @tail: end offset of current dirread buffer
+ * @buf: dirread buffer
+ *
+ * private structure for keeping track of readdir
+ * allocated on demand
+ */
+struct p9_rdir {
+        struct mutex mutex;
+        int head;
+        int tail;
+        uint8_t *buf;
+};
+/**
 * dt_type - return file type
 * @mistat: mistat structure
 *
@@ -70,56 +88,79 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
        int over;
        struct p9_wstat st;
-        int err;
+        int err = 0;
        struct p9_fid *fid;
        int buflen;
-        char *statbuf;
+        int reclen = 0;
-        int n, i = 0;
+        struct p9_rdir *rdir;
        P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", filp->f_path.dentry->d_name.name);
        fid = filp->private_data;
        buflen = fid->clnt->msize - P9_IOHDRSZ;
-        statbuf = kmalloc(buflen, GFP_KERNEL);
-        if (!statbuf)
+        /* allocate rdir on demand */
-                return -ENOMEM;
+        if (!fid->rdir) {
+                rdir = kmalloc(sizeof(struct p9_rdir) + buflen, GFP_KERNEL);
-        while (1) {
-                err = v9fs_file_readn(filp, statbuf, NULL, buflen,
+                if (rdir == NULL) {
-                                                                fid->rdir_fpos);
+                        err = -ENOMEM;
-                if (err <= 0)
+                        goto exit;
-                        break;
+                }
+                spin_lock(&filp->f_dentry->d_lock);
-                n = err;
+                if (!fid->rdir) {
-                while (i < n) {
+                        rdir->buf = (uint8_t *)rdir + sizeof(struct p9_rdir);
-                        err = p9stat_read(statbuf + i, buflen-i, &st,
+                        mutex_init(&rdir->mutex);
-                                                        fid->clnt->dotu);
+                        rdir->head = rdir->tail = 0;
+                        fid->rdir = (void *) rdir;
+                        rdir = NULL;
+                }
+                spin_unlock(&filp->f_dentry->d_lock);
+                kfree(rdir);
+        }
+        rdir = (struct p9_rdir *) fid->rdir;
+        err = mutex_lock_interruptible(&rdir->mutex);
+        while (err == 0) {
+                if (rdir->tail == rdir->head) {
+                        err = v9fs_file_readn(filp, rdir->buf, NULL,
+                                                        buflen, filp->f_pos);
+                        if (err <= 0)
+                                goto unlock_and_exit;
+                        rdir->head = 0;
+                        rdir->tail = err;
+                }
+                while (rdir->head < rdir->tail) {
+                        err = p9stat_read(rdir->buf + rdir->head,
+                                                buflen - rdir->head, &st,
+                                                fid->clnt->dotu);
                        if (err) {
                                P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err);
                                err = -EIO;
                                p9stat_free(&st);
-                                goto free_and_exit;
+                                goto unlock_and_exit;
                        }
+                        reclen = st.size+2;
-                        i += st.size+2;
-                        fid->rdir_fpos += st.size+2;
                        over = filldir(dirent, st.name, strlen(st.name),
                            filp->f_pos, v9fs_qid2ino(&st.qid), dt_type(&st));
-                        filp->f_pos += st.size+2;
                        p9stat_free(&st);
                        if (over) {
                                err = 0;
-                                goto free_and_exit;
+                                goto unlock_and_exit;
                        }
+                        rdir->head += reclen;
+                        filp->f_pos += reclen;
                }
        }
-free_and_exit:
+unlock_and_exit:
-        kfree(statbuf);
+        mutex_unlock(&rdir->mutex);
+exit:
        return err;
 }
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 5947628aefef..18f74ec4dce9 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -994,8 +994,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
        P9_DPRINTK(P9_DEBUG_VFS,
                "%s -> %s (%s)\n", dentry->d_name.name, st->extension, buffer);
-        retval = buflen;
+        retval = strnlen(buffer, buflen);
 done:
        kfree(st);
        return retval;
@@ -1062,7 +1061,7 @@ static void *v9fs_vfs_follow_link(struct dentry *dentry, struct nameidata *nd)
                        __putname(link);
                        link = ERR_PTR(len);
                } else
-                        link[len] = 0;
+                        link[min(len, PATH_MAX-1)] = 0;
        }
        nd_set_link(nd, link);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 984ca0cb38c3..00d153f2f261 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -743,6 +743,7 @@ struct ext4_inode_info {
 #define EXT4_MOUNT_QUOTA                0x80000 /* Some quota option set */
 #define EXT4_MOUNT_USRQUOTA             0x100000 /* "old" user quota */
 #define EXT4_MOUNT_GRPQUOTA             0x200000 /* "old" group quota */
+#define EXT4_MOUNT_JOURNAL_CHECKSUM     0x800000 /* Journal checksums */
 #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT 0x1000000 /* Journal Async Commit */
 #define EXT4_MOUNT_I_VERSION            0x2000000 /* i_version support */
 #define EXT4_MOUNT_DELALLOC             0x8000000 /* Delalloc support */
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 312211ee05af..d4ca92aab514 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1300,9 +1300,11 @@ static int parse_options(char *options, struct super_block *sb,
                        *journal_devnum = option;
                        break;
                case Opt_journal_checksum:
-                        break;  /* Kept for backwards compatibility */
+                        set_opt(sbi->s_mount_opt, JOURNAL_CHECKSUM);
+                        break;
                case Opt_journal_async_commit:
                        set_opt(sbi->s_mount_opt, JOURNAL_ASYNC_COMMIT);
+                        set_opt(sbi->s_mount_opt, JOURNAL_CHECKSUM);
                        break;
                case Opt_noload:
                        set_opt(sbi->s_mount_opt, NOLOAD);
@@ -2759,14 +2761,20 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                goto failed_mount4;
        }
-        jbd2_journal_set_features(sbi->s_journal,
+        if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) {
-                                  JBD2_FEATURE_COMPAT_CHECKSUM, 0, 0);
+                jbd2_journal_set_features(sbi->s_journal,
-        if (test_opt(sb, JOURNAL_ASYNC_COMMIT))
+                                JBD2_FEATURE_COMPAT_CHECKSUM, 0,
-                jbd2_journal_set_features(sbi->s_journal, 0, 0,
                                JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
-        else
+        } else if (test_opt(sb, JOURNAL_CHECKSUM)) {
+                jbd2_journal_set_features(sbi->s_journal,
+                                JBD2_FEATURE_COMPAT_CHECKSUM, 0, 0);
                jbd2_journal_clear_features(sbi->s_journal, 0, 0,
                                JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
+        } else {
+                jbd2_journal_clear_features(sbi->s_journal,
+                                JBD2_FEATURE_COMPAT_CHECKSUM, 0,
+                                JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT);
+        }
        /* We have now updated the journal if required, so we can
         * validate the data journaling mode. */
diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c
index 5941958f1e47..84c25382f8e3 100644
--- a/fs/nilfs2/btnode.c
+++ b/fs/nilfs2/btnode.c
@@ -87,6 +87,7 @@ int nilfs_btnode_submit_block(struct address_space *btnc, __u64 blocknr,
                        brelse(bh);
                        BUG();
                }
+                memset(bh->b_data, 0, 1 << inode->i_blkbits);
                bh->b_bdev = NILFS_I_NILFS(inode)->ns_bdev;
                bh->b_blocknr = blocknr;
                set_buffer_mapped(bh);
@@ -276,8 +277,7 @@ void nilfs_btnode_commit_change_key(struct address_space *btnc,
                                       "invalid oldkey %lld (newkey=%lld)",
                                       (unsigned long long)oldkey,
                                       (unsigned long long)newkey);
-                if (!test_set_buffer_dirty(obh) && TestSetPageDirty(opage))
+                nilfs_btnode_mark_dirty(obh);
-                        BUG();
                spin_lock_irq(&btnc->tree_lock);
                radix_tree_delete(&btnc->page_tree, oldkey);
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 683df89dbae5..6eff66a070d5 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -2468,17 +2468,22 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci,
        /* Clear requests (even when the construction failed) */
        spin_lock(&sci->sc_state_lock);
-        sci->sc_state &= ~NILFS_SEGCTOR_COMMIT;
        if (req->mode == SC_LSEG_SR) {
+                sci->sc_state &= ~NILFS_SEGCTOR_COMMIT;
                sci->sc_seq_done = req->seq_accepted;
                nilfs_segctor_wakeup(sci, req->sc_err ? : req->sb_err);
                sci->sc_flush_request = 0;
-        } else if (req->mode == SC_FLUSH_FILE)
+        } else {
-                sci->sc_flush_request &= ~FLUSH_FILE_BIT;
+                if (req->mode == SC_FLUSH_FILE)
-        else if (req->mode == SC_FLUSH_DAT)
+                        sci->sc_flush_request &= ~FLUSH_FILE_BIT;
-                sci->sc_flush_request &= ~FLUSH_DAT_BIT;
+                else if (req->mode == SC_FLUSH_DAT)
+                        sci->sc_flush_request &= ~FLUSH_DAT_BIT;
+                /* re-enable timer if checkpoint creation was not done */
+                if (sci->sc_timer && (sci->sc_state & NILFS_SEGCTOR_COMMIT) &&
+                    time_before(jiffies, sci->sc_timer->expires))
+                        add_timer(sci->sc_timer);
+        }
        spin_unlock(&sci->sc_state_lock);
 }
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 2e6d95f97419..9e7012689a84 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -471,8 +471,8 @@ struct hw_perf_event {
                        unsigned long   event_base;
                        int             idx;
                };
-                union { /* software */
+                struct { /* software */
-                        atomic64_t      count;
+                        s64             remaining;
                        struct hrtimer  hrtimer;
                };
        };
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index df7b23ac66e6..bcdd6606f468 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -354,8 +354,8 @@ struct sk_buff {
                                ipvs_property:1,
                                peeked:1,
                                nf_trace:1;
+        __be16                  protocol:16;
        kmemcheck_bitfield_end(flags1);
-        __be16                  protocol;
        void                    (*destructor)(struct sk_buff *skb);
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
@@ -367,7 +367,6 @@ struct sk_buff {
 #endif
        int                     iif;
-        __u16                   queue_mapping;
 #ifdef CONFIG_NET_SCHED
        __u16                   tc_index;       /* traffic control index */
 #ifdef CONFIG_NET_CLS_ACT
@@ -376,6 +375,7 @@ struct sk_buff {
 #endif
        kmemcheck_bitfield_begin(flags2);
+        __u16                   queue_mapping:16;
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
        __u8                    ndisc_nodetype:2;
 #endif
@@ -1757,6 +1757,8 @@ extern int	       skb_copy_datagram_const_iovec(const struct sk_buff *from,
                                                     int to_offset,
                                                     int size);
 extern void            skb_free_datagram(struct sock *sk, struct sk_buff *skb);
+extern void            skb_free_datagram_locked(struct sock *sk,
+                                                struct sk_buff *skb);
 extern int             skb_kill_datagram(struct sock *sk, struct sk_buff *skb,
                                         unsigned int flags);
 extern __wsum          skb_checksum(const struct sk_buff *skb, int offset,
diff --git a/include/linux/trace_seq.h b/include/linux/trace_seq.h
index c134dd1fe6b6..09077f6ed128 100644
--- a/include/linux/trace_seq.h
+++ b/include/linux/trace_seq.h
@@ -7,7 +7,7 @@
 /*
 * Trace sequences are used to allow a function to call several other functions
- * to create a string of data to use (up to a max of PAGE_SIZE.
+ * to create a string of data to use (up to a max of PAGE_SIZE).
 */
 struct trace_seq {
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index e26812274b75..fb00b329f0d3 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -159,8 +159,7 @@ struct p9_client {
 * @qid: the &p9_qid server identifier this handle points to
 * @iounit: the server reported maximum transaction size for this file
 * @uid: the numeric uid of the local user who owns this handle
- * @aux: transport specific information (unused?)
+ * @rdir: readdir accounting structure (allocated on demand)
- * @rdir_fpos: tracks offset of file position when reading directory contents
 * @flist: per-client-instance fid tracking
 * @dlist: per-dentry fid tracking
 *
@@ -174,9 +173,9 @@ struct p9_fid {
        struct p9_qid qid;
        u32 iounit;
        uid_t uid;
-        void *aux;
-        int rdir_fpos;
+        void *rdir;
        struct list_head flist;
        struct list_head dlist; /* list of all fids attached to a dentry */
 };
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index ef91fe924ba4..4d22fabc7719 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -210,7 +210,8 @@ extern struct fib_table *fib_get_table(struct net *net, u32 id);
 extern const struct nla_policy rtm_ipv4_policy[];
 extern void             ip_fib_init(void);
 extern int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
-                               struct net_device *dev, __be32 *spec_dst, u32 *itag);
+                               struct net_device *dev, __be32 *spec_dst,
+                               u32 *itag, u32 mark);
 extern void fib_select_default(struct net *net, const struct flowi *flp,
                               struct fib_result *res);
diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
index d696a692d94a..e0f6feb8588c 100644
--- a/include/pcmcia/ss.h
+++ b/include/pcmcia/ss.h
@@ -262,6 +262,8 @@ struct pcmcia_socket {
        struct device                   dev;
        /* data internal to the socket driver */
        void                            *driver_data;
+        /* status of the card during resume from a system sleep state */
+        int                             resume_status;
 };
@@ -280,6 +282,8 @@ extern struct pccard_resource_ops pccard_nonstatic_ops;
 /* socket drivers are expected to use these callbacks in their .drv struct */
 extern int pcmcia_socket_dev_suspend(struct device *dev);
+extern void pcmcia_socket_dev_early_resume(struct device *dev);
+extern void pcmcia_socket_dev_late_resume(struct device *dev);
 extern int pcmcia_socket_dev_resume(struct device *dev);
 /* socket drivers use this callback in their IRQ handler */
diff --git a/kernel/fork.c b/kernel/fork.c
index 4c20fff8c13a..166b8c49257c 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -91,7 +91,7 @@ int nr_processes(void)
        int cpu;
        int total = 0;
-        for_each_online_cpu(cpu)
+        for_each_possible_cpu(cpu)
                total += per_cpu(process_counts, cpu);
        return total;
diff --git a/kernel/futex.c b/kernel/futex.c
index 642f3bbaacc7..fb65e822fc41 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2127,7 +2127,7 @@ int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,
                plist_del(&q->list, &q->list.plist);
                /* Handle spurious wakeups gracefully */
-                ret = -EAGAIN;
+                ret = -EWOULDBLOCK;
                if (timeout && !timeout->task)
                        ret = -ETIMEDOUT;
                else if (signal_pending(current))
@@ -2208,7 +2208,6 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, int fshared,
        debug_rt_mutex_init_waiter(&rt_waiter);
        rt_waiter.task = NULL;
-retry:
        key2 = FUTEX_KEY_INIT;
        ret = get_futex_key(uaddr2, fshared, &key2, VERIFY_WRITE);
        if (unlikely(ret != 0))
@@ -2303,9 +2302,6 @@ out_put_keys:
 out_key2:
        put_futex_key(fshared, &key2);
-        /* Spurious wakeup ? */
-        if (ret == -EAGAIN)
-                goto retry;
 out:
        if (to) {
                hrtimer_cancel(&to->timer);
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index afb7ef3dbc44..7f29643c8985 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -3959,8 +3959,9 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
                regs = task_pt_regs(current);
        if (regs) {
-                if (perf_event_overflow(event, 0, &data, regs))
+                if (!(event->attr.exclude_idle && current->pid == 0))
-                        ret = HRTIMER_NORESTART;
+                        if (perf_event_overflow(event, 0, &data, regs))
+                                ret = HRTIMER_NORESTART;
        }
        period = max_t(u64, 10000, event->hw.sample_period);
@@ -3969,6 +3970,42 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
        return ret;
 }
+static void perf_swevent_start_hrtimer(struct perf_event *event)
+{
+        struct hw_perf_event *hwc = &event->hw;
+        hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+        hwc->hrtimer.function = perf_swevent_hrtimer;
+        if (hwc->sample_period) {
+                u64 period;
+                if (hwc->remaining) {
+                        if (hwc->remaining < 0)
+                                period = 10000;
+                        else
+                                period = hwc->remaining;
+                        hwc->remaining = 0;
+                } else {
+                        period = max_t(u64, 10000, hwc->sample_period);
+                }
+                __hrtimer_start_range_ns(&hwc->hrtimer,
+                                ns_to_ktime(period), 0,
+                                HRTIMER_MODE_REL, 0);
+        }
+}
+static void perf_swevent_cancel_hrtimer(struct perf_event *event)
+{
+        struct hw_perf_event *hwc = &event->hw;
+        if (hwc->sample_period) {
+                ktime_t remaining = hrtimer_get_remaining(&hwc->hrtimer);
+                hwc->remaining = ktime_to_ns(remaining);
+                hrtimer_cancel(&hwc->hrtimer);
+        }
+}
 /*
 * Software event: cpu wall time clock
 */
@@ -3991,22 +4028,14 @@ static int cpu_clock_perf_event_enable(struct perf_event *event)
        int cpu = raw_smp_processor_id();
        atomic64_set(&hwc->prev_count, cpu_clock(cpu));
-        hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+        perf_swevent_start_hrtimer(event);
-        hwc->hrtimer.function = perf_swevent_hrtimer;
-        if (hwc->sample_period) {
-                u64 period = max_t(u64, 10000, hwc->sample_period);
-                __hrtimer_start_range_ns(&hwc->hrtimer,
-                                ns_to_ktime(period), 0,
-                                HRTIMER_MODE_REL, 0);
-        }
        return 0;
 }
 static void cpu_clock_perf_event_disable(struct perf_event *event)
 {
-        if (event->hw.sample_period)
+        perf_swevent_cancel_hrtimer(event);
-                hrtimer_cancel(&event->hw.hrtimer);
        cpu_clock_perf_event_update(event);
 }
@@ -4043,22 +4072,15 @@ static int task_clock_perf_event_enable(struct perf_event *event)
        now = event->ctx->time;
        atomic64_set(&hwc->prev_count, now);
-        hrtimer_init(&hwc->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-        hwc->hrtimer.function = perf_swevent_hrtimer;
+        perf_swevent_start_hrtimer(event);
-        if (hwc->sample_period) {
-                u64 period = max_t(u64, 10000, hwc->sample_period);
-                __hrtimer_start_range_ns(&hwc->hrtimer,
-                                ns_to_ktime(period), 0,
-                                HRTIMER_MODE_REL, 0);
-        }
        return 0;
 }
 static void task_clock_perf_event_disable(struct perf_event *event)
 {
-        if (event->hw.sample_period)
+        perf_swevent_cancel_hrtimer(event);
-                hrtimer_cancel(&event->hw.hrtimer);
        task_clock_perf_event_update(event, event->ctx->time);
 }
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 04b3a83d686f..04a9e90d248f 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -693,21 +693,22 @@ static int software_resume(void)
        /* The snapshot device should not be opened while we're running */
        if (!atomic_add_unless(&snapshot_device_available, -1, 0)) {
                error = -EBUSY;
+                swsusp_close(FMODE_READ);
                goto Unlock;
        }
        pm_prepare_console();
        error = pm_notifier_call_chain(PM_RESTORE_PREPARE);
        if (error)
-                goto Finish;
+                goto close_finish;
        error = usermodehelper_disable();
        if (error)
-                goto Finish;
+                goto close_finish;
        error = create_basic_memory_bitmaps();
        if (error)
-                goto Finish;
+                goto close_finish;
        pr_debug("PM: Preparing processes for restore.\n");
        error = prepare_processes();
@@ -719,6 +720,7 @@ static int software_resume(void)
        pr_debug("PM: Reading hibernation image.\n");
        error = swsusp_read(&flags);
+        swsusp_close(FMODE_READ);
        if (!error)
                hibernation_restore(flags & SF_PLATFORM_MODE);
@@ -737,6 +739,9 @@ static int software_resume(void)
        mutex_unlock(&pm_mutex);
        pr_debug("PM: Resume from disk failed.\n");
        return error;
+close_finish:
+        swsusp_close(FMODE_READ);
+        goto Finish;
 }
 late_initcall(software_resume);
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index b101cdc4df3f..890f6b11b1d3 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -314,7 +314,6 @@ static int save_image(struct swap_map_handle *handle,
 {
        unsigned int m;
        int ret;
-        int error = 0;
        int nr_pages;
        int err2;
        struct bio *bio;
@@ -329,26 +328,27 @@ static int save_image(struct swap_map_handle *handle,
        nr_pages = 0;
        bio = NULL;
        do_gettimeofday(&start);
-        do {
+        while (1) {
                ret = snapshot_read_next(snapshot, PAGE_SIZE);
-                if (ret > 0) {
+                if (ret <= 0)
-                        error = swap_write_page(handle, data_of(*snapshot),
+                        break;
-                                                &bio);
+                ret = swap_write_page(handle, data_of(*snapshot), &bio);
-                        if (error)
+                if (ret)
-                                break;
+                        break;
-                        if (!(nr_pages % m))
+                if (!(nr_pages % m))
-                                printk("\b\b\b\b%3d%%", nr_pages / m);
+                        printk("\b\b\b\b%3d%%", nr_pages / m);
-                        nr_pages++;
+                nr_pages++;
-                }
+        }
-        } while (ret > 0);
        err2 = wait_on_bio_chain(&bio);
        do_gettimeofday(&stop);
-        if (!error)
+        if (!ret)
-                error = err2;
+                ret = err2;
-        if (!error)
+        if (!ret)
                printk("\b\b\b\bdone\n");
+        else
+                printk("\n");
        swsusp_show_speed(&start, &stop, nr_to_write, "Wrote");
-        return error;
+        return ret;
 }
 /**
@@ -536,7 +536,8 @@ static int load_image(struct swap_map_handle *handle,
                snapshot_write_finalize(snapshot);
                if (!snapshot_image_loaded(snapshot))
                        error = -ENODATA;
-        }
+        } else
+                printk("\n");
        swsusp_show_speed(&start, &stop, nr_to_read, "Read");
        return error;
 }
@@ -572,8 +573,6 @@ int swsusp_read(unsigned int *flags_p)
                error = load_image(&handle, &snapshot, header->pages - 1);
        release_swap_reader(&handle);
-        blkdev_put(resume_bdev, FMODE_READ);
        if (!error)
                pr_debug("PM: Image successfully loaded\n");
        else
@@ -596,7 +595,7 @@ int swsusp_check(void)
                error = bio_read_page(swsusp_resume_block,
                                        swsusp_header, NULL);
                if (error)
-                        return error;
+                        goto put;
                if (!memcmp(SWSUSP_SIG, swsusp_header->sig, 10)) {
                        memcpy(swsusp_header->sig, swsusp_header->orig_sig, 10);
@@ -604,8 +603,10 @@ int swsusp_check(void)
                        error = bio_write_page(swsusp_resume_block,
                                                swsusp_header, NULL);
                } else {
-                        return -EINVAL;
+                        error = -EINVAL;
                }
+put:
                if (error)
                        blkdev_put(resume_bdev, FMODE_READ);
                else
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 37ba67e33265..9c451a1930b6 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -740,7 +740,7 @@ ftrace_profile_write(struct file *filp, const char __user *ubuf,
 out:
        mutex_unlock(&ftrace_profile_lock);
-        filp->f_pos += cnt;
+        *ppos += cnt;
        return cnt;
 }
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index d4ff01970547..3ffa502fb243 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -483,7 +483,7 @@ struct ring_buffer_iter {
 /* Up this if you want to test the TIME_EXTENTS and normalization */
 #define DEBUG_SHIFT 0
-static inline u64 rb_time_stamp(struct ring_buffer *buffer, int cpu)
+static inline u64 rb_time_stamp(struct ring_buffer *buffer)
 {
        /* shift to debug/test normalization and TIME_EXTENTS */
        return buffer->clock() << DEBUG_SHIFT;
@@ -494,7 +494,7 @@ u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu)
        u64 time;
        preempt_disable_notrace();
-        time = rb_time_stamp(buffer, cpu);
+        time = rb_time_stamp(buffer);
        preempt_enable_no_resched_notrace();
        return time;
@@ -599,7 +599,7 @@ static struct list_head *rb_list_head(struct list_head *list)
 }
 /*
- * rb_is_head_page - test if the give page is the head page
+ * rb_is_head_page - test if the given page is the head page
 *
 * Because the reader may move the head_page pointer, we can
 * not trust what the head page is (it may be pointing to
@@ -1868,7 +1868,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer,
                 * Nested commits always have zero deltas, so
                 * just reread the time stamp
                 */
-                *ts = rb_time_stamp(buffer, cpu_buffer->cpu);
+                *ts = rb_time_stamp(buffer);
                next_page->page->time_stamp = *ts;
        }
@@ -2111,7 +2111,7 @@ rb_reserve_next_event(struct ring_buffer *buffer,
        if (RB_WARN_ON(cpu_buffer, ++nr_loops > 1000))
                goto out_fail;
-        ts = rb_time_stamp(cpu_buffer->buffer, cpu_buffer->cpu);
+        ts = rb_time_stamp(cpu_buffer->buffer);
        /*
         * Only the first commit can update the timestamp.
@@ -2681,7 +2681,7 @@ unsigned long ring_buffer_entries(struct ring_buffer *buffer)
 EXPORT_SYMBOL_GPL(ring_buffer_entries);
 /**
- * ring_buffer_overrun_cpu - get the number of overruns in buffer
+ * ring_buffer_overruns - get the number of overruns in buffer
 * @buffer: The ring buffer
 *
 * Returns the total number of overruns in the ring buffer
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index c820b0310a12..b20d3ec75de9 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2440,7 +2440,7 @@ tracing_trace_options_write(struct file *filp, const char __user *ubuf,
                        return ret;
        }
-        filp->f_pos += cnt;
+        *ppos += cnt;
        return cnt;
 }
@@ -2582,7 +2582,7 @@ tracing_ctrl_write(struct file *filp, const char __user *ubuf,
        }
        mutex_unlock(&trace_types_lock);
-        filp->f_pos += cnt;
+        *ppos += cnt;
        return cnt;
 }
@@ -2764,7 +2764,7 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
        if (err)
                return err;
-        filp->f_pos += ret;
+        *ppos += ret;
        return ret;
 }
@@ -3299,7 +3299,7 @@ tracing_entries_write(struct file *filp, const char __user *ubuf,
                }
        }
-        filp->f_pos += cnt;
+        *ppos += cnt;
        /* If check pages failed, return ENOMEM */
        if (tracing_disabled)
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index ed17565826b0..b6c12c6a1bcd 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -69,6 +69,9 @@ enum print_line_t trace_print_printk_msg_only(struct trace_iterator *iter)
 * @s: trace sequence descriptor
 * @fmt: printf format string
 *
+ * It returns 0 if the trace oversizes the buffer's free
+ * space, 1 otherwise.
+ *
 * The tracer may use either sequence operations or its own
 * copy to user routines. To simplify formating of a trace
 * trace_seq_printf is used to store strings into a special
@@ -95,7 +98,7 @@ trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
        s->len += ret;
-        return len;
+        return 1;
 }
 EXPORT_SYMBOL_GPL(trace_seq_printf);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index a1bc6b9af9a2..9c590eef7912 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1151,8 +1151,7 @@ static int try_to_unuse(unsigned int type)
                                } else
                                        retval = unuse_mm(mm, entry, page);
-                                if (set_start_mm &&
+                                if (set_start_mm && *swap_map < swcount) {
-                                    swap_count(*swap_map) < swcount) {
                                        mmput(new_start_mm);
                                        atomic_inc(&mm->mm_users);
                                        new_start_mm = mm;
diff --git a/net/9p/client.c b/net/9p/client.c
index 5bf5f227dbe0..8af95b2dddd6 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -582,11 +582,9 @@ static struct p9_fid *p9_fid_create(struct p9_client *clnt)
        memset(&fid->qid, 0, sizeof(struct p9_qid));
        fid->mode = -1;
-        fid->rdir_fpos = 0;
        fid->uid = current_fsuid();
        fid->clnt = clnt;
-        fid->aux = NULL;
+        fid->rdir = NULL;
        spin_lock_irqsave(&clnt->lock, flags);
        list_add(&fid->flist, &clnt->fidlist);
        spin_unlock_irqrestore(&clnt->lock, flags);
@@ -609,6 +607,7 @@ static void p9_fid_destroy(struct p9_fid *fid)
        spin_lock_irqsave(&clnt->lock, flags);
        list_del(&fid->flist);
        spin_unlock_irqrestore(&clnt->lock, flags);
+        kfree(fid->rdir);
        kfree(fid);
 }
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 1c6cf3a1a4f6..4ade3011bb3c 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -224,6 +224,15 @@ void skb_free_datagram(struct sock *sk, struct sk_buff *skb)
        consume_skb(skb);
        sk_mem_reclaim_partial(sk);
 }
+EXPORT_SYMBOL(skb_free_datagram);
+void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb)
+{
+        lock_sock(sk);
+        skb_free_datagram(sk, skb);
+        release_sock(sk);
+}
+EXPORT_SYMBOL(skb_free_datagram_locked);
 /**
 *      skb_kill_datagram - Free a datagram skbuff forcibly
@@ -752,5 +761,4 @@ unsigned int datagram_poll(struct file *file, struct socket *sock,
 EXPORT_SYMBOL(datagram_poll);
 EXPORT_SYMBOL(skb_copy_and_csum_datagram_iovec);
 EXPORT_SYMBOL(skb_copy_datagram_iovec);
-EXPORT_SYMBOL(skb_free_datagram);
 EXPORT_SYMBOL(skb_recv_datagram);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index e2f950592566..aa00398be80e 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -229,14 +229,17 @@ unsigned int inet_dev_addr_type(struct net *net, const struct net_device *dev,
 */
 int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
-                        struct net_device *dev, __be32 *spec_dst, u32 *itag)
+                        struct net_device *dev, __be32 *spec_dst,
+                        u32 *itag, u32 mark)
 {
        struct in_device *in_dev;
        struct flowi fl = { .nl_u = { .ip4_u =
                                      { .daddr = src,
                                        .saddr = dst,
                                        .tos = tos } },
+                            .mark = mark,
                            .iif = oif };
        struct fib_result res;
        int no_addr, rpf;
        int ret;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 41ada9904d31..143333852624 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1464,7 +1464,7 @@ static void ipgre_tap_setup(struct net_device *dev)
        ether_setup(dev);
-        dev->netdev_ops         = &ipgre_netdev_ops;
+        dev->netdev_ops         = &ipgre_tap_netdev_ops;
        dev->destructor         = free_netdev;
        dev->iflink             = 0;
@@ -1525,25 +1525,29 @@ static int ipgre_changelink(struct net_device *dev, struct nlattr *tb[],
                if (t->dev != dev)
                        return -EEXIST;
        } else {
-                unsigned nflags = 0;
                t = nt;
-                if (ipv4_is_multicast(p.iph.daddr))
+                if (dev->type != ARPHRD_ETHER) {
-                        nflags = IFF_BROADCAST;
+                        unsigned nflags = 0;
-                else if (p.iph.daddr)
-                        nflags = IFF_POINTOPOINT;
-                if ((dev->flags ^ nflags) &
+                        if (ipv4_is_multicast(p.iph.daddr))
-                    (IFF_POINTOPOINT | IFF_BROADCAST))
+                                nflags = IFF_BROADCAST;
-                        return -EINVAL;
+                        else if (p.iph.daddr)
+                                nflags = IFF_POINTOPOINT;
+                        if ((dev->flags ^ nflags) &
+                            (IFF_POINTOPOINT | IFF_BROADCAST))
+                                return -EINVAL;
+                }
                ipgre_tunnel_unlink(ign, t);
                t->parms.iph.saddr = p.iph.saddr;
                t->parms.iph.daddr = p.iph.daddr;
                t->parms.i_key = p.i_key;
-                memcpy(dev->dev_addr, &p.iph.saddr, 4);
+                if (dev->type != ARPHRD_ETHER) {
-                memcpy(dev->broadcast, &p.iph.daddr, 4);
+                        memcpy(dev->dev_addr, &p.iph.saddr, 4);
+                        memcpy(dev->broadcast, &p.iph.daddr, 4);
+                }
                ipgre_tunnel_link(ign, t);
                netdev_state_change(dev);
        }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index bb4199252026..5b1050a5d874 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1854,7 +1854,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                        goto e_inval;
                spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
        } else if (fib_validate_source(saddr, 0, tos, 0,
-                                        dev, &spec_dst, &itag) < 0)
+                                        dev, &spec_dst, &itag, 0) < 0)
                goto e_inval;
        rth = dst_alloc(&ipv4_dst_ops);
@@ -1967,7 +1967,7 @@ static int __mkroute_input(struct sk_buff *skb,
        err = fib_validate_source(saddr, daddr, tos, FIB_RES_OIF(*res),
-                                  in_dev->dev, &spec_dst, &itag);
+                                  in_dev->dev, &spec_dst, &itag, skb->mark);
        if (err < 0) {
                ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr,
                                         saddr);
@@ -2141,7 +2141,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                int result;
                result = fib_validate_source(saddr, daddr, tos,
                                             net->loopback_dev->ifindex,
-                                             dev, &spec_dst, &itag);
+                                             dev, &spec_dst, &itag, skb->mark);
                if (result < 0)
                        goto martian_source;
                if (result)
@@ -2170,7 +2170,7 @@ brd_input:
                spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
        else {
                err = fib_validate_source(saddr, 0, tos, 0, dev, &spec_dst,
-                                          &itag);
+                                          &itag, skb->mark);
                if (err < 0)
                        goto martian_source;
                if (err)
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d0d436d6216c..0fa9f70e4b19 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -999,9 +999,7 @@ try_again:
                err = ulen;
 out_free:
-        lock_sock(sk);
+        skb_free_datagram_locked(sk, skb);
-        skb_free_datagram(sk, skb);
-        release_sock(sk);
 out:
        return err;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3a60f12b34ed..cf538ed5ef6a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -288,9 +288,7 @@ try_again:
                err = ulen;
 out_free:
-        lock_sock(sk);
+        skb_free_datagram_locked(sk, skb);
-        skb_free_datagram(sk, skb);
-        release_sock(sk);
 out:
        return err;
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index bd765f30dba2..b09948ceec4a 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -666,26 +666,25 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
        state = &sta->ampdu_mlme.tid_state_tx[tid];
+        del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
        spin_lock_bh(&sta->lock);
-        if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
+        if (!(*state & HT_ADDBA_REQUESTED_MSK))
-                spin_unlock_bh(&sta->lock);
+                goto timer_still_needed;
-                return;
-        }
        if (mgmt->u.action.u.addba_resp.dialog_token !=
                sta->ampdu_mlme.tid_tx[tid]->dialog_token) {
-                spin_unlock_bh(&sta->lock);
 #ifdef CONFIG_MAC80211_HT_DEBUG
                printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
-                return;
+                goto timer_still_needed;
        }
-        del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
 #ifdef CONFIG_MAC80211_HT_DEBUG
        printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
 #endif /* CONFIG_MAC80211_HT_DEBUG */
        if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
                        == WLAN_STATUS_SUCCESS) {
                u8 curstate = *state;
@@ -699,5 +698,11 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
        } else {
                ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR);
        }
+        goto out;
+ timer_still_needed:
+        add_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
+ out:
        spin_unlock_bh(&sta->lock);
 }
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 5608f6c68413..7b5131bd6fa1 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -72,6 +72,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
        struct ieee80211_sub_if_data *sdata;
        int ret;
+        if (netif_running(dev))
+                return -EBUSY;
        if (!nl80211_type_check(type))
                return -EINVAL;
@@ -81,9 +84,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy,
        if (ret)
                return ret;
-        if (netif_running(sdata->dev))
-                return -EBUSY;
        if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
                ieee80211_sdata_set_mesh_id(sdata,
                                            params->mesh_id_len,
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 0891bfb06996..48ef1a282b91 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -153,7 +153,7 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
        if (net_ratelimit())
                printk(KERN_DEBUG "delba from %pM (%s) tid %d reason code %d\n",
                        mgmt->sa, initiator ? "initiator" : "recipient", tid,
-                        mgmt->u.action.u.delba.reason_code);
+                        le16_to_cpu(mgmt->u.action.u.delba.reason_code));
 #endif /* CONFIG_MAC80211_HT_DEBUG */
        if (initiator == WLAN_BACK_INITIATOR)
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index ca8ecce31d34..f1362f32c17d 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -73,6 +73,7 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
        struct ieee80211_mgmt *mgmt;
        u8 *pos;
        struct ieee80211_supported_band *sband;
+        struct cfg80211_bss *bss;
        u32 bss_change;
        u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
@@ -177,8 +178,9 @@ static void __ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
        mod_timer(&ifibss->timer,
                  round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
-        cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
+        bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
-                                  mgmt, skb->len, 0, GFP_KERNEL);
+                                        mgmt, skb->len, 0, GFP_KERNEL);
+        cfg80211_put_bss(bss);
        cfg80211_ibss_joined(sdata->dev, ifibss->bssid, GFP_KERNEL);
 }
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index ccc5e83cae5d..1c246a4f491e 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -111,7 +111,7 @@ static void svc_release_skb(struct svc_rqst *rqstp)
                rqstp->rq_xprt_ctxt = NULL;
                dprintk("svc: service %p, releasing skb %p\n", rqstp, skb);
-                skb_free_datagram(svsk->sk_sk, skb);
+                skb_free_datagram_locked(svsk->sk_sk, skb);
        }
 }
@@ -578,7 +578,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
                                "svc: received unknown control message %d/%d; "
                                "dropping RPC reply datagram\n",
                                        cmh->cmsg_level, cmh->cmsg_type);
-                skb_free_datagram(svsk->sk_sk, skb);
+                skb_free_datagram_locked(svsk->sk_sk, skb);
                return 0;
        }
@@ -588,18 +588,18 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp)
                if (csum_partial_copy_to_xdr(&rqstp->rq_arg, skb)) {
                        local_bh_enable();
                        /* checksum error */
-                        skb_free_datagram(svsk->sk_sk, skb);
+                        skb_free_datagram_locked(svsk->sk_sk, skb);
                        return 0;
                }
                local_bh_enable();
-                skb_free_datagram(svsk->sk_sk, skb);
+                skb_free_datagram_locked(svsk->sk_sk, skb);
        } else {
                /* we can use it in-place */
                rqstp->rq_arg.head[0].iov_base = skb->data +
                        sizeof(struct udphdr);
                rqstp->rq_arg.head[0].iov_len = len;
                if (skb_checksum_complete(skb)) {
-                        skb_free_datagram(svsk->sk_sk, skb);
+                        skb_free_datagram_locked(svsk->sk_sk, skb);
                        return 0;
                }
                rqstp->rq_xprt_ctxt = skb;
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index ece378d531ef..9f0b2800a9d7 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -165,7 +165,7 @@ void cfg80211_conn_work(struct work_struct *work)
        struct cfg80211_registered_device *rdev =
                container_of(work, struct cfg80211_registered_device, conn_work);
        struct wireless_dev *wdev;
-        u8 bssid[ETH_ALEN];
+        u8 bssid_buf[ETH_ALEN], *bssid = NULL;
        rtnl_lock();
        cfg80211_lock_rdev(rdev);
@@ -181,7 +181,10 @@ void cfg80211_conn_work(struct work_struct *work)
                        wdev_unlock(wdev);
                        continue;
                }
-                memcpy(bssid, wdev->conn->params.bssid, ETH_ALEN);
+                if (wdev->conn->params.bssid) {
+                        memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN);
+                        bssid = bssid_buf;
+                }
                if (cfg80211_conn_do_work(wdev))
                        __cfg80211_connect_result(
                                        wdev->netdev, bssid,
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 0c1440121c22..c69c60b2a48a 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -953,11 +953,12 @@ static int snd_pcm_dev_register(struct snd_device *device)
        struct snd_pcm_substream *substream;
        struct snd_pcm_notify *notify;
        char str[16];
-        struct snd_pcm *pcm = device->device_data;
+        struct snd_pcm *pcm;
        struct device *dev;
-        if (snd_BUG_ON(!pcm || !device))
+        if (snd_BUG_ON(!device || !device->device_data))
                return -ENXIO;
+        pcm = device->device_data;
        mutex_lock(&register_mutex);
        err = snd_pcm_add(pcm);
        if (err) {
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 6ba066c41d2e..252e04ce602f 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -165,7 +165,7 @@ MODULE_PARM_DESC(enable, "Enable this dummy soundcard.");
 module_param_array(pcm_devs, int, NULL, 0444);
 MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver.");
 module_param_array(pcm_substreams, int, NULL, 0444);
-MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-16) for dummy driver.");
+MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-128) for dummy driver.");
 //module_param_array(midi_devs, int, NULL, 0444);
 //MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver.");
 module_param(fake_buffer, bool, 0444);
@@ -808,8 +808,6 @@ static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy)
        unsigned int idx;
        int err;
-        if (snd_BUG_ON(!dummy))
-                return -EINVAL;
        spin_lock_init(&dummy->mixer_lock);
        strcpy(card->mixername, "Dummy Mixer");
diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c
index 84cc2658c05b..e1145ac6e908 100644
--- a/sound/drivers/pcsp/pcsp_lib.c
+++ b/sound/drivers/pcsp/pcsp_lib.c
@@ -39,25 +39,20 @@ static DECLARE_TASKLET(pcsp_pcm_tasklet, pcsp_call_pcm_elapsed, 0);
 /* write the port and returns the next expire time in ns;
 * called at the trigger-start and in hrtimer callback
 */
-static unsigned long pcsp_timer_update(struct hrtimer *handle)
+static u64 pcsp_timer_update(struct snd_pcsp *chip)
 {
        unsigned char timer_cnt, val;
        u64 ns;
        struct snd_pcm_substream *substream;
        struct snd_pcm_runtime *runtime;
-        struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
        unsigned long flags;
        if (chip->thalf) {
                outb(chip->val61, 0x61);
                chip->thalf = 0;
-                if (!atomic_read(&chip->timer_active))
-                        return 0;
                return chip->ns_rem;
        }
-        if (!atomic_read(&chip->timer_active))
-                return 0;
        substream = chip->playback_substream;
        if (!substream)
                return 0;
@@ -88,24 +83,17 @@ static unsigned long pcsp_timer_update(struct hrtimer *handle)
        return ns;
 }
-enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
+static void pcsp_pointer_update(struct snd_pcsp *chip)
 {
-        struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
        struct snd_pcm_substream *substream;
-        int periods_elapsed, pointer_update;
        size_t period_bytes, buffer_bytes;
-        unsigned long ns;
+        int periods_elapsed;
        unsigned long flags;
-        pointer_update = !chip->thalf;
-        ns = pcsp_timer_update(handle);
-        if (!ns)
-                return HRTIMER_NORESTART;
        /* update the playback position */
        substream = chip->playback_substream;
        if (!substream)
-                return HRTIMER_NORESTART;
+                return;
        period_bytes = snd_pcm_lib_period_bytes(substream);
        buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
@@ -134,6 +122,26 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
        if (periods_elapsed)
                tasklet_schedule(&pcsp_pcm_tasklet);
+}
+enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
+{
+        struct snd_pcsp *chip = container_of(handle, struct snd_pcsp, timer);
+        int pointer_update;
+        u64 ns;
+        if (!atomic_read(&chip->timer_active) || !chip->playback_substream)
+                return HRTIMER_NORESTART;
+        pointer_update = !chip->thalf;
+        ns = pcsp_timer_update(chip);
+        if (!ns) {
+                printk(KERN_WARNING "PCSP: unexpected stop\n");
+                return HRTIMER_NORESTART;
+        }
+        if (pointer_update)
+                pcsp_pointer_update(chip);
        hrtimer_forward(handle, hrtimer_get_expires(handle), ns_to_ktime(ns));
@@ -142,8 +150,6 @@ enum hrtimer_restart pcsp_do_timer(struct hrtimer *handle)
 static int pcsp_start_playing(struct snd_pcsp *chip)
 {
-        unsigned long ns;
 #if PCSP_DEBUG
        printk(KERN_INFO "PCSP: start_playing called\n");
 #endif
@@ -159,11 +165,7 @@ static int pcsp_start_playing(struct snd_pcsp *chip)
        atomic_set(&chip->timer_active, 1);
        chip->thalf = 0;
-        ns = pcsp_timer_update(&pcsp_chip.timer);
+        hrtimer_start(&pcsp_chip.timer, ktime_set(0, 0), HRTIMER_MODE_REL);
-        if (!ns)
-                return -EIO;
-        hrtimer_start(&pcsp_chip.timer, ktime_set(0, ns), HRTIMER_MODE_REL);
        return 0;
 }
@@ -232,21 +234,22 @@ static int snd_pcsp_playback_hw_free(struct snd_pcm_substream *substream)
 static int snd_pcsp_playback_prepare(struct snd_pcm_substream *substream)
 {
        struct snd_pcsp *chip = snd_pcm_substream_chip(substream);
+        pcsp_sync_stop(chip);
+        chip->playback_ptr = 0;
+        chip->period_ptr = 0;
+        chip->fmt_size =
+                snd_pcm_format_physical_width(substream->runtime->format) >> 3;
+        chip->is_signed = snd_pcm_format_signed(substream->runtime->format);
 #if PCSP_DEBUG
        printk(KERN_INFO "PCSP: prepare called, "
-                        "size=%zi psize=%zi f=%zi f1=%i\n",
+                        "size=%zi psize=%zi f=%zi f1=%i fsize=%i\n",
                        snd_pcm_lib_buffer_bytes(substream),
                        snd_pcm_lib_period_bytes(substream),
                        snd_pcm_lib_buffer_bytes(substream) /
                        snd_pcm_lib_period_bytes(substream),
-                        substream->runtime->periods);
+                        substream->runtime->periods,
+                        chip->fmt_size);
 #endif
-        pcsp_sync_stop(chip);
-        chip->playback_ptr = 0;
-        chip->period_ptr = 0;
-        chip->fmt_size =
-                snd_pcm_format_physical_width(substream->runtime->format) >> 3;
-        chip->is_signed = snd_pcm_format_signed(substream->runtime->format);
        return 0;
 }
diff --git a/sound/drivers/pcsp/pcsp_mixer.c b/sound/drivers/pcsp/pcsp_mixer.c
index 199b03377142..903bc846763f 100644
--- a/sound/drivers/pcsp/pcsp_mixer.c
+++ b/sound/drivers/pcsp/pcsp_mixer.c
@@ -72,7 +72,7 @@ static int pcsp_treble_put(struct snd_kcontrol *kcontrol,
        if (treble != chip->treble) {
                chip->treble = treble;
 #if PCSP_DEBUG
-                printk(KERN_INFO "PCSP: rate set to %i\n", PCSP_RATE());
+                printk(KERN_INFO "PCSP: rate set to %li\n", PCSP_RATE());
 #endif
                changed = 1;
        }
diff --git a/sound/parisc/harmony.c b/sound/parisc/harmony.c
index e924492df21d..f47f9e226b08 100644
--- a/sound/parisc/harmony.c
+++ b/sound/parisc/harmony.c
@@ -624,6 +624,9 @@ snd_harmony_pcm_init(struct snd_harmony *h)
        struct snd_pcm *pcm;
        int err;
+        if (snd_BUG_ON(!h))
+                return -EINVAL;
        harmony_disable_interrupts(h);
        
        err = snd_pcm_new(h->card, "harmony", 0, 1, 1, &pcm);
@@ -865,11 +868,12 @@ snd_harmony_mixer_reset(struct snd_harmony *h)
 static int __devinit
 snd_harmony_mixer_init(struct snd_harmony *h)
 {
-        struct snd_card *card = h->card;
+        struct snd_card *card;
        int idx, err;
        if (snd_BUG_ON(!h))
                return -EINVAL;
+        card = h->card;
        strcpy(card->mixername, "Harmony Gain control interface");
        for (idx = 0; idx < HARMONY_CONTROLS; idx++) {
diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index fb5ee3cc3968..75c602b5b132 100644
--- a/sound/pci/Kconfig
+++ b/sound/pci/Kconfig
@@ -259,7 +259,6 @@ config SND_CS5530
 config SND_CS5535AUDIO
        tristate "CS5535/CS5536 Audio"
-        depends on X86 && !X86_64
        select SND_PCM
        select SND_AC97_CODEC
        help
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index b458d208720b..aaf4da68969c 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -973,7 +973,7 @@ static void snd_ali_free_voice(struct snd_ali * codec,
        void *private_data;
        snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
-        if (pvoice == NULL || !pvoice->use)
+        if (!pvoice->use)
                return;
        snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
        spin_lock_irq(&codec->voice_alloc);
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index c9ad182e1b4b..e340792f6cb3 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2674,6 +2674,7 @@ static struct pci_device_id azx_ids[] = {
        { PCI_DEVICE(0x10de, 0x044b), .driver_data = AZX_DRIVER_NVIDIA },
        { PCI_DEVICE(0x10de, 0x055c), .driver_data = AZX_DRIVER_NVIDIA },
        { PCI_DEVICE(0x10de, 0x055d), .driver_data = AZX_DRIVER_NVIDIA },
+        { PCI_DEVICE(0x10de, 0x0590), .driver_data = AZX_DRIVER_NVIDIA },
        { PCI_DEVICE(0x10de, 0x0774), .driver_data = AZX_DRIVER_NVIDIA },
        { PCI_DEVICE(0x10de, 0x0775), .driver_data = AZX_DRIVER_NVIDIA },
        { PCI_DEVICE(0x10de, 0x0776), .driver_data = AZX_DRIVER_NVIDIA },
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c08ca660daba..ff20048504b6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -965,6 +965,8 @@ static void alc_automute_pin(struct hda_codec *codec)
        unsigned int nid = spec->autocfg.hp_pins[0];
        int i;
+        if (!nid)
+                return;
        pincap = snd_hda_query_pin_caps(codec, nid);
        if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
                snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
@@ -12602,7 +12604,8 @@ static struct snd_pci_quirk alc268_cfg_tbl[] = {
        SND_PCI_QUIRK(0x1025, 0x015b, "Acer Aspire One",
                                                ALC268_ACER_ASPIRE_ONE),
        SND_PCI_QUIRK(0x1028, 0x0253, "Dell OEM", ALC268_DELL),
-        SND_PCI_QUIRK(0x1028, 0x02b0, "Dell Inspiron Mini9", ALC268_DELL),
+        SND_PCI_QUIRK_MASK(0x1028, 0xfff0, 0x02b0,
+                        "Dell Inspiron Mini9/Vostro A90", ALC268_DELL),
        /* almost compatible with toshiba but with optional digital outs;
         * auto-probing seems working fine
         */
@@ -17374,7 +17377,7 @@ static int alc662_auto_create_extra_out(struct hda_codec *codec, hda_nid_t pin,
 /* create playback/capture controls for input pins */
 #define alc662_auto_create_input_ctls \
-        alc880_auto_create_input_ctls
+        alc882_auto_create_input_ctls
 static void alc662_auto_set_output_and_unmute(struct hda_codec *codec,
                                              hda_nid_t nid, int pin_type,
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index 91683a349035..8a332d2f615c 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -386,6 +386,7 @@ struct via82xx {
        struct snd_pcm *pcms[2];
        struct snd_rawmidi *rmidi;
+        struct snd_kcontrol *dxs_controls[4];
        struct snd_ac97_bus *ac97_bus;
        struct snd_ac97 *ac97;
@@ -1216,9 +1217,9 @@ static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev,
 /*
- * open callback for playback on via686 and via823x DSX
+ * open callback for playback on via686
 */
-static int snd_via82xx_playback_open(struct snd_pcm_substream *substream)
+static int snd_via686_playback_open(struct snd_pcm_substream *substream)
 {
        struct via82xx *chip = snd_pcm_substream_chip(substream);
        struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number];
@@ -1230,6 +1231,32 @@ static int snd_via82xx_playback_open(struct snd_pcm_substream *substream)
 }
 /*
+ * open callback for playback on via823x DXS
+ */
+static int snd_via8233_playback_open(struct snd_pcm_substream *substream)
+{
+        struct via82xx *chip = snd_pcm_substream_chip(substream);
+        struct viadev *viadev;
+        unsigned int stream;
+        int err;
+        viadev = &chip->devs[chip->playback_devno + substream->number];
+        if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0)
+                return err;
+        stream = viadev->reg_offset / 0x10;
+        if (chip->dxs_controls[stream]) {
+                chip->playback_volume[stream][0] = 0;
+                chip->playback_volume[stream][1] = 0;
+                chip->dxs_controls[stream]->vd[0].access &=
+                        ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
+                               SNDRV_CTL_EVENT_MASK_INFO,
+                               &chip->dxs_controls[stream]->id);
+        }
+        return 0;
+}
+/*
 * open callback for playback on via823x multi-channel
 */
 static int snd_via8233_multi_open(struct snd_pcm_substream *substream)
@@ -1302,10 +1329,26 @@ static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream)
        return 0;
 }
+static int snd_via8233_playback_close(struct snd_pcm_substream *substream)
+{
+        struct via82xx *chip = snd_pcm_substream_chip(substream);
+        struct viadev *viadev = substream->runtime->private_data;
+        unsigned int stream;
+        stream = viadev->reg_offset / 0x10;
+        if (chip->dxs_controls[stream]) {
+                chip->dxs_controls[stream]->vd[0].access |=
+                        SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+                snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO,
+                               &chip->dxs_controls[stream]->id);
+        }
+        return snd_via82xx_pcm_close(substream);
+}
 /* via686 playback callbacks */
 static struct snd_pcm_ops snd_via686_playback_ops = {
-        .open =         snd_via82xx_playback_open,
+        .open =         snd_via686_playback_open,
        .close =        snd_via82xx_pcm_close,
        .ioctl =        snd_pcm_lib_ioctl,
        .hw_params =    snd_via82xx_hw_params,
@@ -1331,8 +1374,8 @@ static struct snd_pcm_ops snd_via686_capture_ops = {
 /* via823x DSX playback callbacks */
 static struct snd_pcm_ops snd_via8233_playback_ops = {
-        .open =         snd_via82xx_playback_open,
+        .open =         snd_via8233_playback_open,
-        .close =        snd_via82xx_pcm_close,
+        .close =        snd_via8233_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
        .hw_params =    snd_via82xx_hw_params,
        .hw_free =      snd_via82xx_hw_free,
@@ -1709,8 +1752,9 @@ static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = {
        .device = 0,
        /* .subdevice set later */
        .name = "PCM Playback Volume",
-        .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+        .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
-                   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+                  SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+                  SNDRV_CTL_ELEM_ACCESS_INACTIVE,
        .info = snd_via8233_dxs_volume_info,
        .get = snd_via8233_dxs_volume_get,
        .put = snd_via8233_dxs_volume_put,
@@ -1948,6 +1992,7 @@ static int __devinit snd_via8233_init_misc(struct via82xx *chip)
                                err = snd_ctl_add(chip->card, kctl);
                                if (err < 0)
                                        return err;
+                                chip->dxs_controls[i] = kctl;
                        }
                }
        }
diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c
index 7dea74b71cf1..64b859925c0b 100644
--- a/sound/pcmcia/pdaudiocf/pdaudiocf.c
+++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c
@@ -217,20 +217,25 @@ static void snd_pdacf_detach(struct pcmcia_device *link)
 * configuration callback
 */
-#define CS_CHECK(fn, ret) \
-do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 static int pdacf_config(struct pcmcia_device *link)
 {
        struct snd_pdacf *pdacf = link->priv;
-        int last_fn, last_ret;
+        int ret;
        snd_printdd(KERN_DEBUG "pdacf_config called\n");
        link->conf.ConfigIndex = 0x5;
-        CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
+        ret = pcmcia_request_io(link, &link->io);
-        CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
+        if (ret)
-        CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
+                goto failed;
+        ret = pcmcia_request_irq(link, &link->irq);
+        if (ret)
+                goto failed;
+        ret = pcmcia_request_configuration(link, &link->conf);
+        if (ret)
+                goto failed;
        if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
                goto failed;
@@ -238,8 +243,6 @@ static int pdacf_config(struct pcmcia_device *link)
        link->dev_node = &pdacf->node;
        return 0;
-cs_failed:
-        cs_error(link, last_fn, last_ret);
 failed:
        pcmcia_disable_device(link);
        return -ENODEV;
diff --git a/sound/pcmcia/vx/vxpocket.c b/sound/pcmcia/vx/vxpocket.c
index 7445cc8a47d3..1492744ad67f 100644
--- a/sound/pcmcia/vx/vxpocket.c
+++ b/sound/pcmcia/vx/vxpocket.c
@@ -213,14 +213,11 @@ static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq
 * configuration callback
 */
-#define CS_CHECK(fn, ret) \
-do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 static int vxpocket_config(struct pcmcia_device *link)
 {
        struct vx_core *chip = link->priv;
        struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
-        int last_fn, last_ret;
+        int ret;
        snd_printdd(KERN_DEBUG "vxpocket_config called\n");
@@ -235,9 +232,17 @@ static int vxpocket_config(struct pcmcia_device *link)
                strcpy(chip->card->driver, vxp440_hw.name);
        }
-        CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
+        ret = pcmcia_request_io(link, &link->io);
-        CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
+        if (ret)
-        CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
+                goto failed;
+        ret = pcmcia_request_irq(link, &link->irq);
+        if (ret)
+                goto failed;
+        ret = pcmcia_request_configuration(link, &link->conf);
+        if (ret)
+                goto failed;
        chip->dev = &handle_to_dev(link);
        snd_card_set_dev(chip->card, chip->dev);
@@ -248,8 +253,6 @@ static int vxpocket_config(struct pcmcia_device *link)
        link->dev_node = &vxp->node;
        return 0;
-cs_failed:
-        cs_error(link, last_fn, last_ret);
 failed:
        pcmcia_disable_device(link);
        return -ENODEV;
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig
index 2dee9839be86..653a362425df 100644
--- a/sound/soc/omap/Kconfig
+++ b/sound/soc/omap/Kconfig
@@ -21,7 +21,18 @@ config SND_OMAP_SOC_AMS_DELTA
        select SND_OMAP_SOC_MCBSP
        select SND_SOC_CX20442
        help
-          Say Y if you want to add support for SoC audio on Amstrad Delta.
+          Say Y  if you want to add support  for SoC audio device  connected to
+          a handset and a speakerphone found on Amstrad E3 (Delta) videophone.
+          Note that in order to get those devices fully supported,  you have to
+          build  the kernel  with  standard  serial port  driver  included  and
+          configured for at least 4 ports.  Then, from userspace, you must load
+          a line discipline #19 on the modem (ttyS3) serial line.  The simplest
+          way to achieve this is to install util-linux-ng  and use the included
+          ldattach  utility.  This  can be  started  automatically  from  udev,
+          a simple rule like this one should do the trick (it does for me):
+                ACTION=="add", KERNEL=="controlC0", \
+                                RUN+="/usr/sbin/ldattach 19 /dev/ttyS3"
 config SND_OMAP_SOC_OSK5912
        tristate "SoC Audio support for omap osk5912"
diff --git a/sound/soc/s3c24xx/s3c24xx-pcm.c b/sound/soc/s3c24xx/s3c24xx-pcm.c
index 5cbbdc80fde3..1f35c6fcf5fd 100644
--- a/sound/soc/s3c24xx/s3c24xx-pcm.c
+++ b/sound/soc/s3c24xx/s3c24xx-pcm.c
@@ -75,11 +75,19 @@ static void s3c24xx_pcm_enqueue(struct snd_pcm_substream *substream)
 {
        struct s3c24xx_runtime_data *prtd = substream->runtime->private_data;
        dma_addr_t pos = prtd->dma_pos;
+        unsigned int limit;
        int ret;
        pr_debug("Entered %s\n", __func__);
-        while (prtd->dma_loaded < prtd->dma_limit) {
+        if (s3c_dma_has_circular()) {
+                limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period;
+        } else
+                limit = prtd->dma_limit;
+        pr_debug("%s: loaded %d, limit %d\n", __func__, prtd->dma_loaded, limit);
+        while (prtd->dma_loaded < limit) {
                unsigned long len = prtd->dma_period;
                pr_debug("dma_loaded: %d\n", prtd->dma_loaded);
@@ -123,7 +131,7 @@ static void s3c24xx_audio_buffdone(struct s3c2410_dma_chan *channel,
                snd_pcm_period_elapsed(substream);
        spin_lock(&prtd->lock);
-        if (prtd->state & ST_RUNNING) {
+        if (prtd->state & ST_RUNNING && !s3c_dma_has_circular()) {
                prtd->dma_loaded--;
                s3c24xx_pcm_enqueue(substream);
        }
@@ -164,6 +172,11 @@ static int s3c24xx_pcm_hw_params(struct snd_pcm_substream *substream,
                        printk(KERN_ERR "failed to get dma channel\n");
                        return ret;
                }
+                /* use the circular buffering if we have it available. */
+                if (s3c_dma_has_circular())
+                        s3c2410_dma_setflags(prtd->params->channel,
+                                             S3C2410_DMAF_CIRCULAR);
        }
        s3c2410_dma_set_buffdone_fn(prtd->params->channel,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 7ff04ad2a97e..0a1b2f64bbee 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -834,6 +834,9 @@ EXPORT_SYMBOL_GPL(snd_soc_resume_device);
 #define soc_resume      NULL
 #endif
+static struct snd_soc_dai_ops null_dai_ops = {
+};
 static void snd_soc_instantiate_card(struct snd_soc_card *card)
 {
        struct platform_device *pdev = container_of(card->dev,
@@ -877,6 +880,11 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
                        ac97 = 1;
        }
+        for (i = 0; i < card->num_links; i++) {
+                if (!card->dai_link[i].codec_dai->ops)
+                        card->dai_link[i].codec_dai->ops = &null_dai_ops;
+        }
        /* If we have AC97 in the system then don't wait for the
         * codec.  This will need revisiting if we have to handle
         * systems with mixed AC97 and non-AC97 parts.  Only check for
@@ -2329,9 +2337,6 @@ static int snd_soc_unregister_card(struct snd_soc_card *card)
        return 0;
 }
-static struct snd_soc_dai_ops null_dai_ops = {
-};
 /**
 * snd_soc_register_dai - Register a DAI with the ASoC core
 *
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 8de6f9dec4a2..d89f6dc00908 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2072,9 +2072,9 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec,
                        }
                }
        }
-        mutex_unlock(&codec->mutex);
        dapm_power_widgets(codec, event);
+        mutex_unlock(&codec->mutex);
        dump_dapm(codec, __func__);
        return 0;
 }
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c
index 121af0644fd9..86b2c3b92df5 100644
--- a/sound/usb/caiaq/audio.c
+++ b/sound/usb/caiaq/audio.c
@@ -62,10 +62,14 @@ static void
 activate_substream(struct snd_usb_caiaqdev *dev,
                   struct snd_pcm_substream *sub)
 {
+        spin_lock(&dev->spinlock);
        if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
                dev->sub_playback[sub->number] = sub;
        else
                dev->sub_capture[sub->number] = sub;
+        spin_unlock(&dev->spinlock);
 }
 static void
@@ -269,16 +273,22 @@ snd_usb_caiaq_pcm_pointer(struct snd_pcm_substream *sub)
 {
        int index = sub->number;
        struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(sub);
+        snd_pcm_uframes_t ptr;
+        spin_lock(&dev->spinlock);
        if (dev->input_panic || dev->output_panic)
-                return SNDRV_PCM_POS_XRUN;
+                ptr = SNDRV_PCM_POS_XRUN;
        if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK)
-                return bytes_to_frames(sub->runtime,
+                ptr = bytes_to_frames(sub->runtime,
                                        dev->audio_out_buf_pos[index]);
        else
-                return bytes_to_frames(sub->runtime,
+                ptr = bytes_to_frames(sub->runtime,
                                        dev->audio_in_buf_pos[index]);
+        spin_unlock(&dev->spinlock);
+        return ptr;
 }
 /* operators for both playback and capture */
diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index 83e6c1312d47..a3f02dd97440 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -35,7 +35,7 @@
 #include "input.h"
 MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
-MODULE_DESCRIPTION("caiaq USB audio, version 1.3.19");
+MODULE_DESCRIPTION("caiaq USB audio, version 1.3.20");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2},"
                         "{Native Instruments, RigKontrol3},"
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 742a32eee8fc..7e190d522cd5 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -177,8 +177,7 @@ endif
 # Include saner warnings here, which can catch bugs:
 #
-EXTRA_WARNINGS := -Wcast-align
+EXTRA_WARNINGS := -Wformat
-EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k
 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
@@ -422,7 +421,11 @@ ifeq ($(uname_S),Darwin)
        PTHREAD_LIBS =
 endif
-ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y)
+ifeq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y)
+        ifneq ($(shell sh -c "(echo '\#include <libelf.h>'; echo 'int main(void) { Elf * elf = elf_begin(0, ELF_C_READ_MMAP, 0); return (long)elf; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -o /dev/null $(ALL_LDFLAGS) > /dev/null 2>&1 && echo y"), y)
+                BASIC_CFLAGS += -DLIBELF_NO_MMAP
+        endif
+else
        msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]);
 endif
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 47ea0609a760..226f44a2357d 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -413,7 +413,7 @@ static int dso__synthesize_plt_symbols(struct  dso *self, int v)
        if (fd < 0)
                goto out;
-        elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
+        elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
        if (elf == NULL)
                goto out_close;
@@ -533,7 +533,7 @@ static int dso__load_sym(struct dso *self, int fd, const char *name,
        Elf *elf;
        int nr = 0, kernel = !strcmp("[kernel]", self->name);
-        elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
+        elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
        if (elf == NULL) {
                if (v)
                        fprintf(stderr, "%s: cannot read %s ELF file.\n",
@@ -675,7 +675,7 @@ static char *dso__read_build_id(struct dso *self, int v)
        if (fd < 0)
                goto out;
-        elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
+        elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL);
        if (elf == NULL) {
                if (v)
                        fprintf(stderr, "%s: cannot read %s ELF file.\n",
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 6e8490716408..829da9edba64 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -27,6 +27,16 @@ static inline char *bfd_demangle(void __used *v, const char __used *c,
 #endif
 #endif
+/*
+ * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
+ * for newer versions we can use mmap to reduce memory usage:
+ */
+#ifdef LIBELF_NO_MMAP
+# define PERF_ELF_C_READ_MMAP ELF_C_READ
+#else
+# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
+#endif
 #ifndef DMGL_PARAMS
 #define DMGL_PARAMS      (1 << 0)       /* Include function args */
 #define DMGL_ANSI        (1 << 1)       /* Include const, volatile, etc */