423 files changed, 5819 insertions, 3672 deletions

diff --git a/Documentation/ABI/obsolete/proc-pid-oom_adj b/Documentation/ABI/obsolete/proc-pid-oom_adj
new file mode 100644
index 000000000000..cf63f264ce0f
--- /dev/null
+++ b/Documentation/ABI/obsolete/proc-pid-oom_adj
@@ -0,0 +1,22 @@
+What:   /proc/<pid>/oom_adj
+When:   August 2012
+Why:    /proc/<pid>/oom_adj allows userspace to influence the oom killer's
+        badness heuristic used to determine which task to kill when the kernel
+        is out of memory.
+
+        The badness heuristic has since been rewritten since the introduction of
+        this tunable such that its meaning is deprecated.  The value was
+        implemented as a bitshift on a score generated by the badness()
+        function that did not have any precise units of measure.  With the
+        rewrite, the score is given as a proportion of available memory to the
+        task allocating pages, so using a bitshift which grows the score
+        exponentially is, thus, impossible to tune with fine granularity.
+
+        A much more powerful interface, /proc/<pid>/oom_score_adj, was
+        introduced with the oom killer rewrite that allows users to increase or
+        decrease the badness() score linearly.  This interface will replace
+        /proc/<pid>/oom_adj.
+
+        A warning will be emitted to the kernel log if an application uses this
+        deprecated interface.  After it is printed once, future warnings will be
+        suppressed until the kernel is rebooted.
diff --git a/Documentation/block/switching-sched.txt b/Documentation/block/switching-sched.txt
index d5af3f630814..71cfbdc0f74d 100644
--- a/Documentation/block/switching-sched.txt
+++ b/Documentation/block/switching-sched.txt
@@ -16,7 +16,7 @@ you can do so by typing:
 As of the Linux 2.6.10 kernel, it is now possible to change the
 IO scheduler for a given block device on the fly (thus making it possible,
 for instance, to set the CFQ scheduler for the system default, but
-set a specific device to use the anticipatory or noop schedulers - which
+set a specific device to use the deadline or noop schedulers - which
 can improve that device's throughput).
 
 To set a specific scheduler, simply do this:
@@ -31,7 +31,7 @@ a "cat /sys/block/DEV/queue/scheduler" - the list of valid names
 will be displayed, with the currently selected scheduler in brackets:
 
 # cat /sys/block/hda/queue/scheduler
-noop anticipatory deadline [cfq]
-# echo anticipatory > /sys/block/hda/queue/scheduler
+noop deadline [cfq]
+# echo deadline > /sys/block/hda/queue/scheduler
 # cat /sys/block/hda/queue/scheduler
-noop [anticipatory] deadline cfq
+noop [deadline] cfq
diff --git a/Documentation/filesystems/xfs-delayed-logging-design.txt b/Documentation/filesystems/xfs-delayed-logging-design.txt
index 96d0df28bed3..7445bf335dae 100644
--- a/Documentation/filesystems/xfs-delayed-logging-design.txt
+++ b/Documentation/filesystems/xfs-delayed-logging-design.txt
@@ -794,17 +794,6 @@ designed.
 
 Roadmap:
 
-2.6.37 Remove experimental tag from mount option
-        => should be roughly 6 months after initial merge
-        => enough time to:
-                => gain confidence and fix problems reported by early
-                   adopters (a.k.a. guinea pigs)
-                => address worst performance regressions and undesired
-                   behaviours
-                => start tuning/optimising code for parallelism
-                => start tuning/optimising algorithms consuming
-                   excessive CPU time
-
 2.6.39 Switch default mount option to use delayed logging
         => should be roughly 12 months after initial merge
         => enough time to shake out remaining problems before next round of
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index ed45e9802aa8..92e83e53148f 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -706,7 +706,7 @@ and is between 256 and 4096 characters. It is defined in the file
                         arch/x86/kernel/cpu/cpufreq/elanfreq.c.
 
         elevator=       [IOSCHED]
-                        Format: {"anticipatory" | "cfq" | "deadline" | "noop"}
+                        Format: {"cfq" | "deadline" | "noop"}
                         See Documentation/block/as-iosched.txt and
                         Documentation/block/deadline-iosched.txt for details.
 
diff --git a/Documentation/leds-class.txt b/Documentation/leds-class.txt
index 8fd5ca2ae32d..58b266bd1846 100644
--- a/Documentation/leds-class.txt
+++ b/Documentation/leds-class.txt
@@ -60,15 +60,18 @@ Hardware accelerated blink of LEDs
 
 Some LEDs can be programmed to blink without any CPU interaction. To
 support this feature, a LED driver can optionally implement the
-blink_set() function (see <linux/leds.h>). If implemented, triggers can
-attempt to use it before falling back to software timers. The blink_set()
-function should return 0 if the blink setting is supported, or -EINVAL
-otherwise, which means that LED blinking will be handled by software.
-
-The blink_set() function should choose a user friendly blinking
-value if it is called with *delay_on==0 && *delay_off==0 parameters. In
-this case the driver should give back the chosen value through delay_on
-and delay_off parameters to the leds subsystem.
+blink_set() function (see <linux/leds.h>). To set an LED to blinking,
+however, it is better to use use the API function led_blink_set(),
+as it will check and implement software fallback if necessary.
+
+To turn off blinking again, use the API function led_brightness_set()
+as that will not just set the LED brightness but also stop any software
+timers that may have been required for blinking.
+
+The blink_set() function should choose a user friendly blinking value
+if it is called with *delay_on==0 && *delay_off==0 parameters. In this
+case the driver should give back the chosen value through delay_on and
+delay_off parameters to the leds subsystem.
 
 Setting the brightness to zero with brightness_set() callback function
 should completely turn off the LED and cancel the previously programmed
diff --git a/Documentation/leds/leds-lp5521.txt b/Documentation/leds/leds-lp5521.txt
new file mode 100644
index 000000000000..c4d8d151e0fe
--- /dev/null
+++ b/Documentation/leds/leds-lp5521.txt
@@ -0,0 +1,88 @@
+Kernel driver for lp5521
+========================
+
+* National Semiconductor LP5521 led driver chip
+* Datasheet: http://www.national.com/pf/LP/LP5521.html
+
+Authors: Mathias Nyman, Yuri Zaporozhets, Samu Onkalo
+Contact: Samu Onkalo (samu.p.onkalo-at-nokia.com)
+
+Description
+-----------
+
+LP5521 can drive up to 3 channels. Leds can be controlled directly via
+the led class control interface. Channels have generic names:
+lp5521:channelx, where x is 0 .. 2
+
+All three channels can be also controlled using the engine micro programs.
+More details of the instructions can be found from the public data sheet.
+
+Control interface for the engines:
+x is 1 .. 3
+enginex_mode : disabled, load, run
+enginex_load : store program (visible only in engine load mode)
+
+Example (start to blink the channel 2 led):
+cd   /sys/class/leds/lp5521:channel2/device
+echo "load" > engine3_mode
+echo "037f4d0003ff6000" > engine3_load
+echo "run" > engine3_mode
+
+stop the engine:
+echo "disabled" > engine3_mode
+
+sysfs contains a selftest entry.
+The test communicates with the chip and checks that
+the clock mode is automatically set to the requested one.
+
+Each channel has its own led current settings.
+/sys/class/leds/lp5521:channel0/led_current - RW
+/sys/class/leds/lp5521:channel0/max_current - RO
+Format: 10x mA i.e 10 means 1.0 mA
+
+example platform data:
+
+Note: chan_nr can have values between 0 and 2.
+
+static struct lp5521_led_config lp5521_led_config[] = {
+        {
+                .chan_nr        = 0,
+                .led_current    = 50,
+                .max_current    = 130,
+        }, {
+                .chan_nr        = 1,
+                .led_current    = 0,
+                .max_current    = 130,
+        }, {
+                .chan_nr        = 2,
+                .led_current    = 0,
+                .max_current    = 130,
+        }
+};
+
+static int lp5521_setup(void)
+{
+        /* setup HW resources */
+}
+
+static void lp5521_release(void)
+{
+        /* Release HW resources */
+}
+
+static void lp5521_enable(bool state)
+{
+        /* Control of chip enable signal */
+}
+
+static struct lp5521_platform_data lp5521_platform_data = {
+        .led_config     = lp5521_led_config,
+        .num_channels   = ARRAY_SIZE(lp5521_led_config),
+        .clock_mode     = LP5521_CLOCK_EXT,
+        .setup_resources   = lp5521_setup,
+        .release_resources = lp5521_release,
+        .enable            = lp5521_enable,
+};
+
+If the current is set to 0 in the platform data, that channel is
+disabled and it is not visible in the sysfs.
diff --git a/Documentation/leds/leds-lp5523.txt b/Documentation/leds/leds-lp5523.txt
new file mode 100644
index 000000000000..fad2feb8b7ce
--- /dev/null
+++ b/Documentation/leds/leds-lp5523.txt
@@ -0,0 +1,83 @@
+Kernel driver for lp5523
+========================
+
+* National Semiconductor LP5523 led driver chip
+* Datasheet: http://www.national.com/pf/LP/LP5523.html
+
+Authors: Mathias Nyman, Yuri Zaporozhets, Samu Onkalo
+Contact: Samu Onkalo (samu.p.onkalo-at-nokia.com)
+
+Description
+-----------
+LP5523 can drive up to 9 channels. Leds can be controlled directly via
+the led class control interface. Channels have generic names:
+lp5523:channelx where x is 0...8
+
+The chip provides 3 engines. Each engine can control channels without
+interaction from the main CPU. Details of the micro engine code can be found
+from the public data sheet. Leds can be muxed to different channels.
+
+Control interface for the engines:
+x is 1 .. 3
+enginex_mode : disabled, load, run
+enginex_load : microcode load (visible only in load mode)
+enginex_leds : led mux control (visible only in load mode)
+
+cd /sys/class/leds/lp5523:channel2/device
+echo "load" > engine3_mode
+echo "9d80400004ff05ff437f0000" > engine3_load
+echo "111111111" > engine3_leds
+echo "run" > engine3_mode
+
+sysfs contains a selftest entry. It measures each channel
+voltage level and checks if it looks reasonable. If the level is too high,
+the led is missing; if the level is too low, there is a short circuit.
+
+Selftest uses always the current from the platform data.
+
+Each channel contains led current settings.
+/sys/class/leds/lp5523:channel2/led_current - RW
+/sys/class/leds/lp5523:channel2/max_current - RO
+Format: 10x mA i.e 10 means 1.0 mA
+
+Example platform data:
+
+Note - chan_nr can have values between 0 and 8.
+
+static struct lp5523_led_config lp5523_led_config[] = {
+        {
+                .chan_nr        = 0,
+                .led_current    = 50,
+                .max_current    = 130,
+        },
+...
+        }, {
+                .chan_nr        = 8,
+                .led_current    = 50,
+                .max_current    = 130,
+        }
+};
+
+static int lp5523_setup(void)
+{
+        /* Setup HW resources */
+}
+
+static void lp5523_release(void)
+{
+        /* Release HW resources */
+}
+
+static void lp5523_enable(bool state)
+{
+        /* Control chip enable signal */
+}
+
+static struct lp5523_platform_data lp5523_platform_data = {
+        .led_config     = lp5523_led_config,
+        .num_channels   = ARRAY_SIZE(lp5523_led_config),
+        .clock_mode     = LP5523_CLOCK_EXT,
+        .setup_resources   = lp5523_setup,
+        .release_resources = lp5523_release,
+        .enable            = lp5523_enable,
+};
diff --git a/Documentation/rbtree.txt b/Documentation/rbtree.txt
index 221f38be98f4..19f8278c3854 100644
--- a/Documentation/rbtree.txt
+++ b/Documentation/rbtree.txt
@@ -21,8 +21,8 @@ three rotations, respectively, to balance the tree), with slightly slower
 To quote Linux Weekly News:
 
     There are a number of red-black trees in use in the kernel.
-    The anticipatory, deadline, and CFQ I/O schedulers all employ
-    rbtrees to track requests; the packet CD/DVD driver does the same.
+    The deadline and CFQ I/O schedulers employ rbtrees to
+    track requests; the packet CD/DVD driver does the same.
     The high-resolution timer code uses an rbtree to organize outstanding
     timer requests.  The ext3 filesystem tracks directory entries in a
     red-black tree.  Virtual memory areas (VMAs) are tracked with red-black
diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 3894eaa23486..209e1584c3dc 100644
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -28,6 +28,7 @@ show up in /proc/sys/kernel:
 - core_uses_pid
 - ctrl-alt-del
 - dentry-state
+- dmesg_restrict
 - domainname
 - hostname
 - hotplug
@@ -213,6 +214,19 @@ to decide what to do with it.
 
 ==============================================================
 
+dmesg_restrict:
+
+This toggle indicates whether unprivileged users are prevented from using
+dmesg(8) to view messages from the kernel's log buffer.  When
+dmesg_restrict is set to (0) there are no restrictions.  When
+dmesg_restrict is set set to (1), users must have CAP_SYS_ADMIN to use
+dmesg(8).
+
+The kernel config option CONFIG_SECURITY_DMESG_RESTRICT sets the default
+value of dmesg_restrict.
+
+==============================================================
+
 domainname & hostname:
 
 These files can be used to set the NIS/YP domainname and the
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a19a5266d5fc..8ae3d48d504c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -6,7 +6,7 @@ config ARM
         select HAVE_MEMBLOCK
         select RTC_LIB
         select SYS_SUPPORTS_APM_EMULATION
-        select GENERIC_ATOMIC64 if (!CPU_32v6K)
+        select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI)
         select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
         select HAVE_ARCH_KGDB
         select HAVE_KPROBES if (!XIP_KERNEL)
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index ada6359160eb..772f95f1aecd 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -251,15 +251,16 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
                 writel(cpumask, base + GIC_DIST_TARGET + i * 4 / 4);
 
         /*
-         * Set priority on all interrupts.
+         * Set priority on all global interrupts.
          */
-        for (i = 0; i < max_irq; i += 4)
+        for (i = 32; i < max_irq; i += 4)
                 writel(0xa0a0a0a0, base + GIC_DIST_PRI + i * 4 / 4);
 
         /*
-         * Disable all interrupts.
+         * Disable all interrupts.  Leave the PPI and SGIs alone
+         * as these enables are banked registers.
          */
-        for (i = 0; i < max_irq; i += 32)
+        for (i = 32; i < max_irq; i += 32)
                 writel(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32);
 
         /*
@@ -277,11 +278,30 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base,
 
 void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base)
 {
+        void __iomem *dist_base;
+        int i;
+
         if (gic_nr >= MAX_GIC_NR)
                 BUG();
 
+        dist_base = gic_data[gic_nr].dist_base;
+        BUG_ON(!dist_base);
+
         gic_data[gic_nr].cpu_base = base;
 
+        /*
+         * Deal with the banked PPI and SGI interrupts - disable all
+         * PPI interrupts, ensure all SGI interrupts are enabled.
+         */
+        writel(0xffff0000, dist_base + GIC_DIST_ENABLE_CLEAR);
+        writel(0x0000ffff, dist_base + GIC_DIST_ENABLE_SET);
+
+        /*
+         * Set priority on PPI and SGI interrupts
+         */
+        for (i = 0; i < 32; i += 4)
+                writel(0xa0a0a0a0, dist_base + GIC_DIST_PRI + i * 4 / 4);
+
         writel(0xf0, base + GIC_CPU_PRIMASK);
         writel(1, base + GIC_CPU_CTRL);
 }
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index 6700c7fc7ebd..21fa272301f8 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -75,7 +75,7 @@ extern unsigned long it8152_base_address;
   IT8152_PD_IRQ(1)  USB (USBR)
   IT8152_PD_IRQ(0)  Audio controller (ACR)
  */
-#define IT8152_IRQ(x)   (IRQ_BOARD_END + (x))
+#define IT8152_IRQ(x)   (IRQ_BOARD_START + (x))
 
 /* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
 #define IT8152_LD_IRQ_COUNT     9
diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 54593b0c241b..21e3a4ab3b8c 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -748,8 +748,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr,
                 breakpoint_handler(addr, regs);
                 break;
         case ARM_ENTRY_ASYNC_WATCHPOINT:
-                WARN_ON("Asynchronous watchpoint exception taken. "
-                        "Debugging results may be unreliable");
+                WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n");
         case ARM_ENTRY_SYNC_WATCHPOINT:
                 watchpoint_handler(addr, regs);
                 break;
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 49643b1467e6..07a50357492a 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -1749,7 +1749,7 @@ static inline int armv7_pmnc_has_overflowed(unsigned long pmnc)
 static inline int armv7_pmnc_counter_has_overflowed(unsigned long pmnc,
                                         enum armv7_counters counter)
 {
-        int ret;
+        int ret = 0;
 
         if (counter == ARMV7_CYCLE_COUNTER)
                 ret = pmnc & ARMV7_FLAG_C;
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 20b7411e47fd..c2e112e1a05f 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -28,7 +28,7 @@ int notrace unwind_frame(struct stackframe *frame)
 
         /* only go to a higher address on the stack */
         low = frame->sp;
-        high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE;
+        high = ALIGN(low, THREAD_SIZE);
 
         /* check current frame pointer is within bounds */
         if (fp < (low + 12) || fp + 4 >= high)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index cda78d59aa31..446aee97436f 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -53,10 +53,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long);
 void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)
 {
 #ifdef CONFIG_KALLSYMS
-        char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN];
-        sprint_symbol(sym1, where);
-        sprint_symbol(sym2, from);
-        printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2);
+        printk("[<%08lx>] (%pS) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from);
 #else
         printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
 #endif
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 2a161765f6d5..d2cb0b3c9872 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -279,7 +279,7 @@ int unwind_frame(struct stackframe *frame)
 
         /* only go to a higher address on the stack */
         low = frame->sp;
-        high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE;
+        high = ALIGN(low, THREAD_SIZE);
 
         pr_debug("%s(pc = %08lx lr = %08lx sp = %08lx)\n", __func__,
                  frame->pc, frame->lr, frame->sp);
diff --git a/arch/arm/mach-ep93xx/include/mach/dma.h b/arch/arm/mach-ep93xx/include/mach/dma.h
index 3a5961d3f3b1..5e31b2b25da9 100644
--- a/arch/arm/mach-ep93xx/include/mach/dma.h
+++ b/arch/arm/mach-ep93xx/include/mach/dma.h
@@ -1,5 +1,13 @@
-/*
- * arch/arm/mach-ep93xx/include/mach/dma.h
+/**
+ * DOC: EP93xx DMA M2P memory to peripheral and peripheral to memory engine
+ *
+ * The EP93xx DMA M2P subsystem handles DMA transfers between memory and
+ * peripherals. DMA M2P channels are available for audio, UARTs and IrDA.
+ * See chapter 10 of the EP93xx users guide for full details on the DMA M2P
+ * engine.
+ *
+ * See sound/soc/ep93xx/ep93xx-pcm.c for an example use of the DMA M2P code.
+ *
  */
 
 #ifndef __ASM_ARCH_DMA_H
@@ -8,12 +16,34 @@
 #include <linux/list.h>
 #include <linux/types.h>
 
+/**
+ * struct ep93xx_dma_buffer - Information about a buffer to be transferred
+ * using the DMA M2P engine
+ *
+ * @list: Entry in DMA buffer list
+ * @bus_addr: Physical address of the buffer
+ * @size: Size of the buffer in bytes
+ */
 struct ep93xx_dma_buffer {
         struct list_head        list;
         u32                     bus_addr;
         u16                     size;
 };
 
+/**
+ * struct ep93xx_dma_m2p_client - Information about a DMA M2P client
+ *
+ * @name: Unique name for this client
+ * @flags: Client flags
+ * @cookie: User data to pass to callback functions
+ * @buffer_started: Non NULL function to call when a transfer is started.
+ *                      The arguments are the user data cookie and the DMA
+ *                      buffer which is starting.
+ * @buffer_finished: Non NULL function to call when a transfer is completed.
+ *                      The arguments are the user data cookie, the DMA buffer
+ *                      which has completed, and a boolean flag indicating if
+ *                      the transfer had an error.
+ */
 struct ep93xx_dma_m2p_client {
         char                    *name;
         u8                      flags;
@@ -24,10 +54,11 @@ struct ep93xx_dma_m2p_client {
                                         struct ep93xx_dma_buffer *buf,
                                         int bytes, int error);
 
-        /* Internal to the DMA code.  */
+        /* private: Internal use only */
         void                    *channel;
 };
 
+/* DMA M2P ports */
 #define EP93XX_DMA_M2P_PORT_I2S1        0x00
 #define EP93XX_DMA_M2P_PORT_I2S2        0x01
 #define EP93XX_DMA_M2P_PORT_AAC1        0x02
@@ -39,18 +70,80 @@ struct ep93xx_dma_m2p_client {
 #define EP93XX_DMA_M2P_PORT_UART3       0x08
 #define EP93XX_DMA_M2P_PORT_IRDA        0x09
 #define EP93XX_DMA_M2P_PORT_MASK        0x0f
-#define EP93XX_DMA_M2P_TX               0x00
-#define EP93XX_DMA_M2P_RX               0x10
-#define EP93XX_DMA_M2P_ABORT_ON_ERROR   0x20
-#define EP93XX_DMA_M2P_IGNORE_ERROR     0x40
-#define EP93XX_DMA_M2P_ERROR_MASK       0x60
 
-int  ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p);
+/* DMA M2P client flags */
+#define EP93XX_DMA_M2P_TX               0x00    /* Memory to peripheral */
+#define EP93XX_DMA_M2P_RX               0x10    /* Peripheral to memory */
+
+/*
+ * DMA M2P client error handling flags. See the EP93xx users guide
+ * documentation on the DMA M2P CONTROL register for more details
+ */
+#define EP93XX_DMA_M2P_ABORT_ON_ERROR   0x20    /* Abort on peripheral error */
+#define EP93XX_DMA_M2P_IGNORE_ERROR     0x40    /* Ignore peripheral errors */
+#define EP93XX_DMA_M2P_ERROR_MASK       0x60    /* Mask of error bits */
+
+/**
+ * ep93xx_dma_m2p_client_register - Register a client with the DMA M2P
+ * subsystem
+ *
+ * @m2p: Client information to register
+ * returns 0 on success
+ *
+ * The DMA M2P subsystem allocates a channel and an interrupt line for the DMA
+ * client
+ */
+int ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p);
+
+/**
+ * ep93xx_dma_m2p_client_unregister - Unregister a client from the DMA M2P
+ * subsystem
+ *
+ * @m2p: Client to unregister
+ *
+ * Any transfers currently in progress will be completed in hardware, but
+ * ignored in software.
+ */
 void ep93xx_dma_m2p_client_unregister(struct ep93xx_dma_m2p_client *m2p);
+
+/**
+ * ep93xx_dma_m2p_submit - Submit a DMA M2P transfer
+ *
+ * @m2p: DMA Client to submit the transfer on
+ * @buf: DMA Buffer to submit
+ *
+ * If the current or next transfer positions are free on the M2P client then
+ * the transfer is started immediately. If not, the transfer is added to the
+ * list of pending transfers. This function must not be called from the
+ * buffer_finished callback for an M2P channel.
+ *
+ */
 void ep93xx_dma_m2p_submit(struct ep93xx_dma_m2p_client *m2p,
                            struct ep93xx_dma_buffer *buf);
+
+/**
+ * ep93xx_dma_m2p_submit_recursive - Put a DMA transfer on the pending list
+ * for an M2P channel
+ *
+ * @m2p: DMA Client to submit the transfer on
+ * @buf: DMA Buffer to submit
+ *
+ * This function must only be called from the buffer_finished callback for an
+ * M2P channel. It is commonly used to add the next transfer in a chained list
+ * of DMA transfers.
+ */
 void ep93xx_dma_m2p_submit_recursive(struct ep93xx_dma_m2p_client *m2p,
                                      struct ep93xx_dma_buffer *buf);
+
+/**
+ * ep93xx_dma_m2p_flush - Flush all pending transfers on a DMA M2P client
+ *
+ * @m2p: DMA client to flush transfers on
+ *
+ * Any transfers currently in progress will be completed in hardware, but
+ * ignored in software.
+ *
+ */
 void ep93xx_dma_m2p_flush(struct ep93xx_dma_m2p_client *m2p);
 
 #endif /* __ASM_ARCH_DMA_H */
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 51ff23b72d3a..3688123b5ad8 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -854,10 +854,9 @@ int __init kirkwood_find_tclk(void)
 
         kirkwood_pcie_id(&dev, &rev);
 
-        if ((dev == MV88F6281_DEV_ID && (rev == MV88F6281_REV_A0 ||
-                                        rev == MV88F6281_REV_A1)) ||
-            (dev == MV88F6282_DEV_ID))
-                return 200000000;
+        if (dev == MV88F6281_DEV_ID || dev == MV88F6282_DEV_ID)
+                if (((readl(SAMPLE_AT_RESET) >> 21) & 1) == 0)
+                        return 200000000;
 
         return 166666667;
 }
diff --git a/arch/arm/mach-kirkwood/d2net_v2-setup.c b/arch/arm/mach-kirkwood/d2net_v2-setup.c
index 4aa86e4a152c..a31c9499ab36 100644
--- a/arch/arm/mach-kirkwood/d2net_v2-setup.c
+++ b/arch/arm/mach-kirkwood/d2net_v2-setup.c
@@ -225,5 +225,5 @@ MACHINE_START(D2NET_V2, "LaCie d2 Network v2")
         .init_machine   = d2net_v2_init,
         .map_io         = kirkwood_map_io,
         .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.c b/arch/arm/mach-kirkwood/lacie_v2-common.c
index d3ea1b6c8a02..285edab776e9 100644
--- a/arch/arm/mach-kirkwood/lacie_v2-common.c
+++ b/arch/arm/mach-kirkwood/lacie_v2-common.c
@@ -111,17 +111,3 @@ void __init lacie_v2_hdd_power_init(int hdd_num)
                         pr_err("Failed to power up HDD%d\n", i + 1);
         }
 }
-
-/*****************************************************************************
- * Timer
- ****************************************************************************/
-
-static void lacie_v2_timer_init(void)
-{
-        kirkwood_tclk = 166666667;
-        orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
-}
-
-struct sys_timer lacie_v2_timer = {
-        .init = lacie_v2_timer_init,
-};
diff --git a/arch/arm/mach-kirkwood/lacie_v2-common.h b/arch/arm/mach-kirkwood/lacie_v2-common.h
index af521315b87b..fc64f578536e 100644
--- a/arch/arm/mach-kirkwood/lacie_v2-common.h
+++ b/arch/arm/mach-kirkwood/lacie_v2-common.h
@@ -13,6 +13,4 @@ void lacie_v2_register_flash(void);
 void lacie_v2_register_i2c_devices(void);
 void lacie_v2_hdd_power_init(int hdd_num);
 
-extern struct sys_timer lacie_v2_timer;
-
 #endif
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index 065187d177c6..27901f702feb 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -59,7 +59,7 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list)
         }
         printk("\n");
 
-        while (*mpp_list) {
+        for ( ; *mpp_list; mpp_list++) {
                 unsigned int num = MPP_NUM(*mpp_list);
                 unsigned int sel = MPP_SEL(*mpp_list);
                 int shift, gpio_mode;
@@ -88,8 +88,6 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list)
                 if (sel != 0)
                         gpio_mode = 0;
                 orion_gpio_set_valid(num, gpio_mode);
-
-                mpp_list++;
         }
 
         printk(KERN_DEBUG "  final MPP regs:");
diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c
index 5ea66f1f4178..65ee21fd2f3b 100644
--- a/arch/arm/mach-kirkwood/netspace_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c
@@ -262,7 +262,7 @@ MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
         .init_machine   = netspace_v2_init,
         .map_io         = kirkwood_map_io,
         .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
 
@@ -272,7 +272,7 @@ MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
         .init_machine   = netspace_v2_init,
         .map_io         = kirkwood_map_io,
         .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
 
@@ -282,6 +282,6 @@ MACHINE_START(NETSPACE_MAX_V2, "LaCie Network Space Max v2")
         .init_machine   = netspace_v2_init,
         .map_io         = kirkwood_map_io,
         .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
diff --git a/arch/arm/mach-kirkwood/netxbig_v2-setup.c b/arch/arm/mach-kirkwood/netxbig_v2-setup.c
index a1b45d501aef..93afd3c8bfd8 100644
--- a/arch/arm/mach-kirkwood/netxbig_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netxbig_v2-setup.c
@@ -403,7 +403,7 @@ MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2")
         .init_machine   = netxbig_v2_init,
         .map_io         = kirkwood_map_io,
         .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
 
@@ -413,6 +413,6 @@ MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2")
         .init_machine   = netxbig_v2_init,
         .map_io         = kirkwood_map_io,
         .init_irq       = kirkwood_init_irq,
-        .timer          = &lacie_v2_timer,
+        .timer          = &kirkwood_timer,
 MACHINE_END
 #endif
diff --git a/arch/arm/mach-kirkwood/ts41x-setup.c b/arch/arm/mach-kirkwood/ts41x-setup.c
index 8be09a0ce4ac..3587a281d993 100644
--- a/arch/arm/mach-kirkwood/ts41x-setup.c
+++ b/arch/arm/mach-kirkwood/ts41x-setup.c
@@ -27,6 +27,10 @@
 #include "mpp.h"
 #include "tsx1x-common.h"
 
+/* for the PCIe reset workaround */
+#include <plat/pcie.h>
+
+
 #define QNAP_TS41X_JUMPER_JP1   45
 
 static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = {
@@ -140,8 +144,16 @@ static void __init qnap_ts41x_init(void)
 
 static int __init ts41x_pci_init(void)
 {
-        if (machine_is_ts41x())
+        if (machine_is_ts41x()) {
+                /*
+                 * Without this explicit reset, the PCIe SATA controller
+                 * (Marvell 88sx7042/sata_mv) is known to stop working
+                 * after a few minutes.
+                 */
+                orion_pcie_reset((void __iomem *)PCIE_VIRT_BASE);
+
                 kirkwood_pcie_init(KW_PCIE0);
+        }
 
    return 0;
 }
diff --git a/arch/arm/mach-mmp/include/mach/cputype.h b/arch/arm/mach-mmp/include/mach/cputype.h
index f43a68b213f1..8a3b56dfd35d 100644
--- a/arch/arm/mach-mmp/include/mach/cputype.h
+++ b/arch/arm/mach-mmp/include/mach/cputype.h
@@ -46,7 +46,8 @@ static inline int cpu_is_pxa910(void)
 #ifdef CONFIG_CPU_MMP2
 static inline int cpu_is_mmp2(void)
 {
-        return (((cpu_readid_id() >> 8) & 0xff) == 0x58);
+        return (((read_cpuid_id() >> 8) & 0xff) == 0x58);
+}
 #else
 #define cpu_is_mmp2()   (0)
 #endif
diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c
index 354ac514eb89..84db2dfc475c 100644
--- a/arch/arm/mach-mv78xx0/mpp.c
+++ b/arch/arm/mach-mv78xx0/mpp.c
@@ -54,7 +54,7 @@ void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
         }
         printk("\n");
 
-        while (*mpp_list) {
+        for ( ; *mpp_list; mpp_list++) {
                 unsigned int num = MPP_NUM(*mpp_list);
                 unsigned int sel = MPP_SEL(*mpp_list);
                 int shift, gpio_mode;
@@ -83,8 +83,6 @@ void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
                 if (sel != 0)
                         gpio_mode = 0;
                 orion_gpio_set_valid(num, gpio_mode);
-
-                mpp_list++;
         }
 
         printk(KERN_DEBUG "  final MPP regs:");
diff --git a/arch/arm/mach-orion5x/mpp.c b/arch/arm/mach-orion5x/mpp.c
index bc4c3b9aaf83..db485d3b8144 100644
--- a/arch/arm/mach-orion5x/mpp.c
+++ b/arch/arm/mach-orion5x/mpp.c
@@ -127,7 +127,7 @@ void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode)
         /* Initialize gpiolib. */
         orion_gpio_init();
 
-        while (mode->mpp >= 0) {
+        for ( ; mode->mpp >= 0; mode++) {
                 u32 *reg;
                 int num_type;
                 int shift;
@@ -160,8 +160,6 @@ void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode)
                         orion_gpio_set_unused(mode->mpp);
 
                 orion_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
-
-                mode++;
         }
 
         writel(mpp_0_7_ctrl, MPP_0_7_CTRL);
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
index 16f1bd5324be..c1c1cd04bdde 100644
--- a/arch/arm/mach-orion5x/ts78xx-setup.c
+++ b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -239,7 +239,7 @@ static struct platform_nand_data ts78xx_ts_nand_data = {
 static struct resource ts78xx_ts_nand_resources = {
         .start          = TS_NAND_DATA,
         .end            = TS_NAND_DATA + 4,
-        .flags          = IORESOURCE_IO,
+        .flags          = IORESOURCE_MEM,
 };
 
 static struct platform_device ts78xx_ts_nand_device = {
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
index ac5598ce9724..d34b99febeb9 100644
--- a/arch/arm/mach-pxa/cm-x2xx.c
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -476,8 +476,6 @@ static void __init cmx2xx_init(void)
 
 static void __init cmx2xx_init_irq(void)
 {
-        pxa27x_init_irq();
-
         if (cpu_is_pxa25x()) {
                 pxa25x_init_irq();
                 cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c
index 4b521e045d75..ffa50e633ee6 100644
--- a/arch/arm/mach-pxa/saar.c
+++ b/arch/arm/mach-pxa/saar.c
@@ -116,7 +116,7 @@ static struct platform_device smc91x_device = {
         },
 };
 
-#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULE)
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 static uint16_t lcd_power_on[] = {
         /* single frame */
         SMART_CMD_NOOP,
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 54b479c35ee0..51dcd59eda6a 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -116,4 +116,6 @@ endmenu
 config SH_CLK_CPG
         bool
 
+source "drivers/sh/Kconfig"
+
 endif
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index 46ca4d4abf91..32d9e2816e56 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -565,12 +565,50 @@ static struct platform_device *qhd_devices[] __initdata = {
 
 /* FSI */
 #define IRQ_FSI         evt2irq(0x1840)
+
+static int fsi_set_rate(int is_porta, int rate)
+{
+        struct clk *fsib_clk;
+        struct clk *fdiv_clk = &sh7372_fsidivb_clk;
+        int ret;
+
+        /* set_rate is not needed if port A */
+        if (is_porta)
+                return 0;
+
+        fsib_clk = clk_get(NULL, "fsib_clk");
+        if (IS_ERR(fsib_clk))
+                return -EINVAL;
+
+        switch (rate) {
+        case 48000:
+                clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000));
+                clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000));
+                ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
+                break;
+        default:
+                pr_err("unsupported rate in FSI2 port B\n");
+                ret = -EINVAL;
+                break;
+        }
+
+        clk_put(fsib_clk);
+
+        return ret;
+}
+
 static struct sh_fsi_platform_info fsi_info = {
         .porta_flags = SH_FSI_BRS_INV |
                        SH_FSI_OUT_SLAVE_MODE |
                        SH_FSI_IN_SLAVE_MODE |
                        SH_FSI_OFMT(PCM) |
                        SH_FSI_IFMT(PCM),
+
+        .portb_flags = SH_FSI_BRS_INV |
+                       SH_FSI_BRM_INV |
+                       SH_FSI_LRS_INV |
+                       SH_FSI_OFMT(SPDIF),
+        .set_rate = fsi_set_rate,
 };
 
 static struct resource fsi_resources[] = {
@@ -634,6 +672,7 @@ static struct platform_device lcdc1_device = {
 static struct sh_mobile_hdmi_info hdmi_info = {
         .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
         .lcd_dev = &lcdc1_device.dev,
+        .flags = HDMI_SND_SRC_SPDIF,
 };
 
 static struct resource hdmi_resources[] = {
@@ -992,6 +1031,7 @@ static void __init ap4evb_map_io(void)
 
 #define GPIO_PORT9CR    0xE6051009
 #define GPIO_PORT10CR   0xE605100A
+#define USCCR1          0xE6058144
 static void __init ap4evb_init(void)
 {
         u32 srcr4;
@@ -1062,7 +1102,7 @@ static void __init ap4evb_init(void)
         /* setup USB phy */
         __raw_writew(0x8a0a, 0xE6058130);       /* USBCR2 */
 
-        /* enable FSI2 */
+        /* enable FSI2 port A (ak4643) */
         gpio_request(GPIO_FN_FSIAIBT,   NULL);
         gpio_request(GPIO_FN_FSIAILR,   NULL);
         gpio_request(GPIO_FN_FSIAISLD,  NULL);
@@ -1079,6 +1119,10 @@ static void __init ap4evb_init(void)
         gpio_request(GPIO_PORT41, NULL);
         gpio_direction_input(GPIO_PORT41);
 
+        /* setup FSI2 port B (HDMI) */
+        gpio_request(GPIO_FN_FSIBCK, NULL);
+        __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
+
         /* set SPU2 clock to 119.6 MHz */
         clk = clk_get(NULL, "spu_clk");
         if (!IS_ERR(clk)) {
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 8565aefa21fd..7db31e6c6bf2 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -50,6 +50,9 @@
 #define SMSTPCR3        0xe615013c
 #define SMSTPCR4        0xe6150140
 
+#define FSIDIVA         0xFE1F8000
+#define FSIDIVB         0xFE1F8008
+
 /* Platforms must set frequency on their DV_CLKI pin */
 struct clk sh7372_dv_clki_clk = {
 };
@@ -288,6 +291,7 @@ struct clk sh7372_pllc2_clk = {
         .ops            = &pllc2_clk_ops,
         .parent         = &extal1_div2_clk,
         .freq_table     = pllc2_freq_table,
+        .nr_freqs       = ARRAY_SIZE(pllc2_freq_table) - 1,
         .parent_table   = pllc2_parent,
         .parent_num     = ARRAY_SIZE(pllc2_parent),
 };
@@ -417,6 +421,101 @@ static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
                                       fsibckcr_parent, ARRAY_SIZE(fsibckcr_parent), 6, 2),
 };
 
+/* FSI DIV */
+static unsigned long fsidiv_recalc(struct clk *clk)
+{
+        unsigned long value;
+
+        value = __raw_readl(clk->mapping->base);
+
+        if ((value & 0x3) != 0x3)
+                return 0;
+
+        value >>= 16;
+        if (value < 2)
+                return 0;
+
+        return clk->parent->rate / value;
+}
+
+static long fsidiv_round_rate(struct clk *clk, unsigned long rate)
+{
+        return clk_rate_div_range_round(clk, 2, 0xffff, rate);
+}
+
+static void fsidiv_disable(struct clk *clk)
+{
+        __raw_writel(0, clk->mapping->base);
+}
+
+static int fsidiv_enable(struct clk *clk)
+{
+        unsigned long value;
+
+        value  = __raw_readl(clk->mapping->base) >> 16;
+        if (value < 2) {
+                fsidiv_disable(clk);
+                return -ENOENT;
+        }
+
+        __raw_writel((value << 16) | 0x3, clk->mapping->base);
+
+        return 0;
+}
+
+static int fsidiv_set_rate(struct clk *clk,
+                           unsigned long rate, int algo_id)
+{
+        int idx;
+
+        if (clk->parent->rate == rate) {
+                fsidiv_disable(clk);
+                return 0;
+        }
+
+        idx = (clk->parent->rate / rate) & 0xffff;
+        if (idx < 2)
+                return -ENOENT;
+
+        __raw_writel(idx << 16, clk->mapping->base);
+        return fsidiv_enable(clk);
+}
+
+static struct clk_ops fsidiv_clk_ops = {
+        .recalc         = fsidiv_recalc,
+        .round_rate     = fsidiv_round_rate,
+        .set_rate       = fsidiv_set_rate,
+        .enable         = fsidiv_enable,
+        .disable        = fsidiv_disable,
+};
+
+static struct clk_mapping sh7372_fsidiva_clk_mapping = {
+        .phys   = FSIDIVA,
+        .len    = 8,
+};
+
+struct clk sh7372_fsidiva_clk = {
+        .ops            = &fsidiv_clk_ops,
+        .parent         = &div6_reparent_clks[DIV6_FSIA], /* late install */
+        .mapping        = &sh7372_fsidiva_clk_mapping,
+};
+
+static struct clk_mapping sh7372_fsidivb_clk_mapping = {
+        .phys   = FSIDIVB,
+        .len    = 8,
+};
+
+struct clk sh7372_fsidivb_clk = {
+        .ops            = &fsidiv_clk_ops,
+        .parent         = &div6_reparent_clks[DIV6_FSIB],  /* late install */
+        .mapping        = &sh7372_fsidivb_clk_mapping,
+};
+
+static struct clk *late_main_clks[] = {
+        &sh7372_fsidiva_clk,
+        &sh7372_fsidivb_clk,
+};
+
 enum { MSTP001,
        MSTP131, MSTP130,
        MSTP129, MSTP128, MSTP127, MSTP126, MSTP125,
@@ -585,6 +684,9 @@ void __init sh7372_clock_init(void)
         if (!ret)
                 ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
 
+        for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
+                ret = clk_register(late_main_clks[k]);
+
         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
         if (!ret)
diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h
index 5bc6bd444d72..2b1bb9e43dda 100644
--- a/arch/arm/mach-shmobile/include/mach/gpio.h
+++ b/arch/arm/mach-shmobile/include/mach/gpio.h
@@ -35,12 +35,12 @@ static inline int gpio_cansleep(unsigned gpio)
 
 static inline int gpio_to_irq(unsigned gpio)
 {
-        return -ENOSYS;
+        return __gpio_to_irq(gpio);
 }
 
 static inline int irq_to_gpio(unsigned int irq)
 {
-        return -EINVAL;
+        return -ENOSYS;
 }
 
 #endif /* CONFIG_GPIOLIB */
diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h
index 147775a94bce..e4f9004e7103 100644
--- a/arch/arm/mach-shmobile/include/mach/sh7372.h
+++ b/arch/arm/mach-shmobile/include/mach/sh7372.h
@@ -464,5 +464,7 @@ extern struct clk sh7372_dv_clki_div2_clk;
 extern struct clk sh7372_pllc2_clk;
 extern struct clk sh7372_fsiack_clk;
 extern struct clk sh7372_fsibck_clk;
+extern struct clk sh7372_fsidiva_clk;
+extern struct clk sh7372_fsidivb_clk;
 
 #endif /* __ASM_SH7372_H__ */
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index c2e405a9e025..fd25ccd7272f 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -54,7 +54,9 @@ static struct map_desc ct_ca9x4_io_desc[] __initdata = {
 
 static void __init ct_ca9x4_map_io(void)
 {
+#ifdef CONFIG_LOCAL_TIMERS
         twd_base = MMIO_P2V(A9_MPCORE_TWD);
+#endif
         v2m_map_io(ct_ca9x4_io_desc, ARRAY_SIZE(ct_ca9x4_io_desc));
 }
 
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index e4dd0646e859..ac6a36142fcd 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -198,7 +198,7 @@ __dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot)
          * fragmentation of the DMA space, and also prevents allocations
          * smaller than a section from crossing a section boundary.
          */
-        bit = fls(size - 1) + 1;
+        bit = fls(size - 1);
         if (bit > SECTION_SHIFT)
                 bit = SECTION_SHIFT;
         align = 1 << bit;
diff --git a/arch/arm/plat-orion/include/plat/pcie.h b/arch/arm/plat-orion/include/plat/pcie.h
index 3ebfef72b4e7..cc99163e73fd 100644
--- a/arch/arm/plat-orion/include/plat/pcie.h
+++ b/arch/arm/plat-orion/include/plat/pcie.h
@@ -11,12 +11,15 @@
 #ifndef __PLAT_PCIE_H
 #define __PLAT_PCIE_H
 
+struct pci_bus;
+
 u32 orion_pcie_dev_id(void __iomem *base);
 u32 orion_pcie_rev(void __iomem *base);
 int orion_pcie_link_up(void __iomem *base);
 int orion_pcie_x4_mode(void __iomem *base);
 int orion_pcie_get_local_bus_nr(void __iomem *base);
 void orion_pcie_set_local_bus_nr(void __iomem *base, int nr);
+void orion_pcie_reset(void __iomem *base);
 void orion_pcie_setup(void __iomem *base,
                       struct mbus_dram_target_info *dram);
 int orion_pcie_rd_conf(void __iomem *base, struct pci_bus *bus,
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index 779553a1595e..af2d733c50b5 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -182,11 +182,6 @@ void __init orion_pcie_setup(void __iomem *base,
         u32 mask;
 
         /*
-         * soft reset PCIe unit
-         */
-        orion_pcie_reset(base);
-
-        /*
          * Point PCIe unit MBUS decode windows to DRAM space.
          */
         orion_pcie_setup_wins(base, dram);
diff --git a/arch/m68k/include/asm/irqflags.h b/arch/m68k/include/asm/irqflags.h
index 4a5b284a1550..7ef4115b8c4a 100644
--- a/arch/m68k/include/asm/irqflags.h
+++ b/arch/m68k/include/asm/irqflags.h
@@ -2,7 +2,9 @@
 #define _M68K_IRQFLAGS_H
 
 #include <linux/types.h>
+#ifdef CONFIG_MMU
 #include <linux/hardirq.h>
+#endif
 #include <linux/preempt.h>
 #include <asm/thread_info.h>
 #include <asm/entry.h>
diff --git a/arch/m68k/include/asm/machdep.h b/arch/m68k/include/asm/machdep.h
index 789f3b2de0e9..415d5484916c 100644
--- a/arch/m68k/include/asm/machdep.h
+++ b/arch/m68k/include/asm/machdep.h
@@ -40,5 +40,6 @@ extern unsigned long hw_timer_offset(void);
 extern irqreturn_t arch_timer_interrupt(int irq, void *dummy);
 
 extern void config_BSP(char *command, int len);
+extern void do_IRQ(int irq, struct pt_regs *fp);
 
 #endif /* _M68K_MACHDEP_H */
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 428d0e538aec..b06bdae04064 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -127,7 +127,7 @@ static void kvm_patch_ins_nop(u32 *inst)
 
 static void kvm_patch_ins_b(u32 *inst, int addr)
 {
-#ifdef CONFIG_RELOCATABLE
+#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC_BOOK3S)
         /* On relocatable kernels interrupts handlers and our code
            can be in different regions, so we don't patch them */
 
diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S
index 049846911ce4..1cc471faac2d 100644
--- a/arch/powerpc/kvm/booke_interrupts.S
+++ b/arch/powerpc/kvm/booke_interrupts.S
@@ -416,7 +416,7 @@ lightweight_exit:
         lwz     r3, VCPU_PC(r4)
         mtsrr0  r3
         lwz     r3, VCPU_SHARED(r4)
-        lwz     r3, VCPU_SHARED_MSR(r3)
+        lwz     r3, (VCPU_SHARED_MSR + 4)(r3)
         oris    r3, r3, KVMPPC_MSR_MASK@h
         ori     r3, r3, KVMPPC_MSR_MASK@l
         mtsrr1  r3
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 71750f2dd5d3..e3768ee9b595 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -138,8 +138,8 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
         struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
 
         free_page((unsigned long)vcpu->arch.shared);
-        kvmppc_e500_tlb_uninit(vcpu_e500);
         kvm_vcpu_uninit(vcpu);
+        kvmppc_e500_tlb_uninit(vcpu_e500);
         kmem_cache_free(kvm_vcpu_cache, vcpu_e500);
 }
 
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 2f87a1627f6c..38f756f25053 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -617,6 +617,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
         switch (ioctl) {
         case KVM_PPC_GET_PVINFO: {
                 struct kvm_ppc_pvinfo pvinfo;
+                memset(&pvinfo, 0, sizeof(pvinfo));
                 r = kvm_vm_ioctl_get_pvinfo(&pvinfo);
                 if (copy_to_user(argp, &pvinfo, sizeof(pvinfo))) {
                         r = -EFAULT;
diff --git a/arch/powerpc/kvm/timing.c b/arch/powerpc/kvm/timing.c
index 46fa04f12a9b..a021f5827a33 100644
--- a/arch/powerpc/kvm/timing.c
+++ b/arch/powerpc/kvm/timing.c
@@ -35,7 +35,6 @@ void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu)
         int i;
 
         /* pause guest execution to avoid concurrent updates */
-        local_irq_disable();
         mutex_lock(&vcpu->mutex);
 
         vcpu->arch.last_exit_type = 0xDEAD;
@@ -51,7 +50,6 @@ void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu)
         vcpu->arch.timing_last_enter.tv64 = 0;
 
         mutex_unlock(&vcpu->mutex);
-        local_irq_enable();
 }
 
 static void add_exit_timing(struct kvm_vcpu *vcpu, u64 duration, int type)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 5c075f562eba..7f217b3a50a8 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -193,6 +193,7 @@ config CPU_SH2
 config CPU_SH2A
         bool
         select CPU_SH2
+        select UNCACHED_MAPPING
 
 config CPU_SH3
         bool
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 307b3a4a790b..9c8c6e1a2a15 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -133,10 +133,7 @@ machdir-$(CONFIG_SOLUTION_ENGINE)		+= mach-se
 machdir-$(CONFIG_SH_HP6XX)                      += mach-hp6xx
 machdir-$(CONFIG_SH_DREAMCAST)                  += mach-dreamcast
 machdir-$(CONFIG_SH_SH03)                       += mach-sh03
-machdir-$(CONFIG_SH_SECUREEDGE5410)             += mach-snapgear
 machdir-$(CONFIG_SH_RTS7751R2D)                 += mach-r2d
-machdir-$(CONFIG_SH_7751_SYSTEMH)               += mach-systemh
-machdir-$(CONFIG_SH_EDOSK7705)                  += mach-edosk7705
 machdir-$(CONFIG_SH_HIGHLANDER)                 += mach-highlander
 machdir-$(CONFIG_SH_MIGOR)                      += mach-migor
 machdir-$(CONFIG_SH_AP325RXA)                   += mach-ap325rxa
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 9c94711aa6ca..2018c7ea4c93 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -81,13 +81,6 @@ config SH_7343_SOLUTION_ENGINE
           Select 7343 SolutionEngine if configuring for a Hitachi
           SH7343 (SH-Mobile 3AS) evaluation board.
 
-config SH_7751_SYSTEMH
-        bool "SystemH7751R"
-        depends on CPU_SUBTYPE_SH7751R
-        help
-          Select SystemH if you are configuring for a Renesas SystemH
-          7751R evaluation board.
-
 config SH_HP6XX
         bool "HP6XX"
         select SYS_SUPPORTS_APM_EMULATION
diff --git a/arch/sh/boards/Makefile b/arch/sh/boards/Makefile
index 38ef655cc0f0..be7d11d04b26 100644
--- a/arch/sh/boards/Makefile
+++ b/arch/sh/boards/Makefile
@@ -2,10 +2,12 @@
 # Specific board support, not covered by a mach group.
 #
 obj-$(CONFIG_SH_MAGIC_PANEL_R2) += board-magicpanelr2.o
+obj-$(CONFIG_SH_SECUREEDGE5410) += board-secureedge5410.o
 obj-$(CONFIG_SH_SH2007)         += board-sh2007.o
 obj-$(CONFIG_SH_SH7785LCR)      += board-sh7785lcr.o
 obj-$(CONFIG_SH_URQUELL)        += board-urquell.o
 obj-$(CONFIG_SH_SHMIN)          += board-shmin.o
+obj-$(CONFIG_SH_EDOSK7705)      += board-edosk7705.o
 obj-$(CONFIG_SH_EDOSK7760)      += board-edosk7760.o
 obj-$(CONFIG_SH_ESPT)           += board-espt.o
 obj-$(CONFIG_SH_POLARIS)        += board-polaris.o
diff --git a/arch/sh/boards/board-edosk7705.c b/arch/sh/boards/board-edosk7705.c
new file mode 100644
index 000000000000..4cb3bb74c36f
--- /dev/null
+++ b/arch/sh/boards/board-edosk7705.c
@@ -0,0 +1,78 @@
+/*
+ * arch/sh/boards/renesas/edosk7705/setup.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ * Modified for edosk7705 development
+ * board by S. Dunn, 2003.
+ */
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/smc91x.h>
+#include <asm/machvec.h>
+#include <asm/sizes.h>
+
+#define SMC_IOBASE      0xA2000000
+#define SMC_IO_OFFSET   0x300
+#define SMC_IOADDR      (SMC_IOBASE + SMC_IO_OFFSET)
+
+#define ETHERNET_IRQ    0x09
+
+static void __init sh_edosk7705_init_irq(void)
+{
+        make_imask_irq(ETHERNET_IRQ);
+}
+
+/* eth initialization functions */
+static struct smc91x_platdata smc91x_info = {
+        .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
+};
+
+static struct resource smc91x_res[] = {
+        [0] = {
+                .start  = SMC_IOADDR,
+                .end    = SMC_IOADDR + SZ_32 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = ETHERNET_IRQ,
+                .end    = ETHERNET_IRQ,
+                .flags  = IORESOURCE_IRQ ,
+        }
+};
+
+static struct platform_device smc91x_dev = {
+        .name           = "smc91x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(smc91x_res),
+        .resource       = smc91x_res,
+
+        .dev    = {
+                .platform_data  = &smc91x_info,
+        },
+};
+
+/* platform init code */
+static struct platform_device *edosk7705_devices[] __initdata = {
+        &smc91x_dev,
+};
+
+static int __init init_edosk7705_devices(void)
+{
+        return platform_add_devices(edosk7705_devices,
+                                    ARRAY_SIZE(edosk7705_devices));
+}
+__initcall(init_edosk7705_devices);
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_edosk7705 __initmv = {
+        .mv_name                = "EDOSK7705",
+        .mv_nr_irqs             = 80,
+        .mv_init_irq            = sh_edosk7705_init_irq,
+};
diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/board-secureedge5410.c
index 331745dee379..32f875e8493d 100644
--- a/arch/sh/boards/mach-snapgear/setup.c
+++ b/arch/sh/boards/board-secureedge5410.c
@@ -1,6 +1,4 @@
 /*
- * linux/arch/sh/boards/snapgear/setup.c
- *
  * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
  * Copyright (C) 2003  Paul Mundt <lethal@linux-sh.org>
  *
@@ -19,18 +17,19 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <asm/machvec.h>
-#include <mach/snapgear.h>
+#include <mach/secureedge5410.h>
 #include <asm/irq.h>
 #include <asm/io.h>
 #include <cpu/timer.h>
 
+unsigned short secureedge5410_ioport;
+
 /*
  * EraseConfig handling functions
  */
-
 static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
 {
-        (void)__raw_readb(0xb8000000);  /* dummy read */
+        ctrl_delay();   /* dummy read */
 
         printk("SnapGear: erase switch interrupt!\n");
 
@@ -39,21 +38,22 @@ static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
 
 static int __init eraseconfig_init(void)
 {
+        unsigned int irq = evt2irq(0x240);
+
         printk("SnapGear: EraseConfig init\n");
+
         /* Setup "EraseConfig" switch on external IRQ 0 */
-        if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED,
+        if (request_irq(irq, eraseconfig_interrupt, IRQF_DISABLED,
                                 "Erase Config", NULL))
                 printk("SnapGear: failed to register IRQ%d for Reset witch\n",
-                                IRL0_IRQ);
+                                irq);
         else
                 printk("SnapGear: registered EraseConfig switch on IRQ%d\n",
-                                IRL0_IRQ);
-        return(0);
+                                irq);
+        return 0;
 }
-
 module_init(eraseconfig_init);
 
-/****************************************************************************/
 /*
  * Initialize IRQ setting
  *
@@ -62,7 +62,6 @@ module_init(eraseconfig_init);
  * IRL2 = eth1
  * IRL3 = crypto
  */
-
 static void __init init_snapgear_IRQ(void)
 {
         printk("Setup SnapGear IRQ/IPR ...\n");
@@ -76,20 +75,5 @@ static void __init init_snapgear_IRQ(void)
 static struct sh_machine_vector mv_snapgear __initmv = {
         .mv_name                = "SnapGear SecureEdge5410",
         .mv_nr_irqs             = 72,
-
-        .mv_inb                 = snapgear_inb,
-        .mv_inw                 = snapgear_inw,
-        .mv_inl                 = snapgear_inl,
-        .mv_outb                = snapgear_outb,
-        .mv_outw                = snapgear_outw,
-        .mv_outl                = snapgear_outl,
-
-        .mv_inb_p               = snapgear_inb_p,
-        .mv_inw_p               = snapgear_inw,
-        .mv_inl_p               = snapgear_inl,
-        .mv_outb_p              = snapgear_outb_p,
-        .mv_outw_p              = snapgear_outw,
-        .mv_outl_p              = snapgear_outl,
-
         .mv_init_irq            = init_snapgear_IRQ,
 };
diff --git a/arch/sh/boards/mach-edosk7705/Makefile b/arch/sh/boards/mach-edosk7705/Makefile
deleted file mode 100644
index cd54acb51499..000000000000
--- a/arch/sh/boards/mach-edosk7705/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-#
-# Makefile for the EDOSK7705 specific parts of the kernel
-#
-
-obj-y    := setup.o io.o
diff --git a/arch/sh/boards/mach-edosk7705/io.c b/arch/sh/boards/mach-edosk7705/io.c
deleted file mode 100644
index 5b9c57c43241..000000000000
--- a/arch/sh/boards/mach-edosk7705/io.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * arch/sh/boards/renesas/edosk7705/io.c
- *
- * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
- * Based largely on io_se.c.
- *
- * I/O routines for Hitachi EDOSK7705 board.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/io.h>
-#include <mach/edosk7705.h>
-#include <asm/addrspace.h>
-
-#define SMC_IOADDR      0xA2000000
-
-/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */
-static unsigned long sh_edosk7705_isa_port2addr(unsigned long port)
-{
-        /*
-         * SMC91C96 registers are 4 byte aligned rather than the
-         * usual 2 byte!
-         */
-        if (port >= 0x300 && port < 0x320)
-                return SMC_IOADDR + ((port - 0x300) * 2);
-
-        maybebadio(port);
-        return port;
-}
-
-/* Trying to read / write bytes on odd-byte boundaries to the Ethernet
- * registers causes problems. So we bit-shift the value and read / write
- * in 2 byte chunks. Setting the low byte to 0 does not cause problems
- * now as odd byte writes are only made on the bit mask / interrupt
- * register. This may not be the case in future Mar-2003 SJD
- */
-unsigned char sh_edosk7705_inb(unsigned long port)
-{
-        if (port >= 0x300 && port < 0x320 && port & 0x01)
-                return __raw_readw(port - 1) >> 8;
-
-        return __raw_readb(sh_edosk7705_isa_port2addr(port));
-}
-
-void sh_edosk7705_outb(unsigned char value, unsigned long port)
-{
-        if (port >= 0x300 && port < 0x320 && port & 0x01) {
-                __raw_writew(((unsigned short)value << 8), port - 1);
-                return;
-        }
-
-        __raw_writeb(value, sh_edosk7705_isa_port2addr(port));
-}
-
-void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count)
-{
-        unsigned char *p = addr;
-
-        while (count--)
-                *p++ = sh_edosk7705_inb(port);
-}
-
-void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count)
-{
-        unsigned char *p = (unsigned char *)addr;
-
-        while (count--)
-                sh_edosk7705_outb(*p++, port);
-}
diff --git a/arch/sh/boards/mach-edosk7705/setup.c b/arch/sh/boards/mach-edosk7705/setup.c
deleted file mode 100644
index d59225e26fb9..000000000000
--- a/arch/sh/boards/mach-edosk7705/setup.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * arch/sh/boards/renesas/edosk7705/setup.c
- *
- * Copyright (C) 2000  Kazumoto Kojima
- *
- * Hitachi SolutionEngine Support.
- *
- * Modified for edosk7705 development
- * board by S. Dunn, 2003.
- */
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <asm/machvec.h>
-#include <mach/edosk7705.h>
-
-static void __init sh_edosk7705_init_irq(void)
-{
-        /* This is the Ethernet interrupt */
-        make_imask_irq(0x09);
-}
-
-/*
- * The Machine Vector
- */
-static struct sh_machine_vector mv_edosk7705 __initmv = {
-        .mv_name                = "EDOSK7705",
-        .mv_nr_irqs             = 80,
-
-        .mv_inb                 = sh_edosk7705_inb,
-        .mv_outb                = sh_edosk7705_outb,
-
-        .mv_insb                = sh_edosk7705_insb,
-        .mv_outsb               = sh_edosk7705_outsb,
-
-        .mv_init_irq            = sh_edosk7705_init_irq,
-};
diff --git a/arch/sh/boards/mach-microdev/io.c b/arch/sh/boards/mach-microdev/io.c
index 2960c659020e..acdafb0c6404 100644
--- a/arch/sh/boards/mach-microdev/io.c
+++ b/arch/sh/boards/mach-microdev/io.c
@@ -54,7 +54,7 @@
 /*
  * map I/O ports to memory-mapped addresses
  */
-static unsigned long microdev_isa_port2addr(unsigned long offset)
+void __iomem *microdev_ioport_map(unsigned long offset, unsigned int len)
 {
         unsigned long result;
 
@@ -72,16 +72,6 @@ static unsigned long microdev_isa_port2addr(unsigned long offset)
                          *      Configuration Registers
                          */
                 result = IO_SUPERIO_PHYS + (offset << 1);
-#if 0
-        } else if (offset == KBD_DATA_REG || offset == KBD_CNTL_REG ||
-                   offset == KBD_STATUS_REG) {
-                        /*
-                         *      SMSC FDC37C93xAPM SuperIO chip
-                         *
-                         *      PS/2 Keyboard + Mouse (ports 0x60 and 0x64).
-                         */
-                result = IO_SUPERIO_PHYS + (offset << 1);
-#endif
         } else if (((offset >= IO_IDE1_BASE) &&
                     (offset <  IO_IDE1_BASE + IO_IDE_EXTENT)) ||
                     (offset == IO_IDE1_MISC)) {
@@ -131,237 +121,5 @@ static unsigned long microdev_isa_port2addr(unsigned long offset)
                 result = PVR;
         }
 
-        return result;
-}
-
-#define PORT2ADDR(x) (microdev_isa_port2addr(x))
-
-static inline void delay(void)
-{
-#if defined(CONFIG_PCI)
-        /* System board present, just make a dummy SRAM access.  (CS0 will be
-           mapped to PCI memory, probably good to avoid it.) */
-        __raw_readw(0xa6800000);
-#else
-        /* CS0 will be mapped to flash, ROM etc so safe to access it. */
-        __raw_readw(0xa0000000);
-#endif
-}
-
-unsigned char microdev_inb(unsigned long port)
-{
-#ifdef CONFIG_PCI
-        if (port >= PCIBIOS_MIN_IO)
-                return microdev_pci_inb(port);
-#endif
-        return *(volatile unsigned char*)PORT2ADDR(port);
-}
-
-unsigned short microdev_inw(unsigned long port)
-{
-#ifdef CONFIG_PCI
-        if (port >= PCIBIOS_MIN_IO)
-                return microdev_pci_inw(port);
-#endif
-        return *(volatile unsigned short*)PORT2ADDR(port);
-}
-
-unsigned int microdev_inl(unsigned long port)
-{
-#ifdef CONFIG_PCI
-        if (port >= PCIBIOS_MIN_IO)
-                return microdev_pci_inl(port);
-#endif
-        return *(volatile unsigned int*)PORT2ADDR(port);
-}
-
-void microdev_outw(unsigned short b, unsigned long port)
-{
-#ifdef CONFIG_PCI
-        if (port >= PCIBIOS_MIN_IO) {
-                microdev_pci_outw(b, port);
-                return;
-        }
-#endif
-        *(volatile unsigned short*)PORT2ADDR(port) = b;
-}
-
-void microdev_outb(unsigned char b, unsigned long port)
-{
-#ifdef CONFIG_PCI
-        if (port >= PCIBIOS_MIN_IO) {
-                microdev_pci_outb(b, port);
-                return;
-        }
-#endif
-
-        /*
-         *      There is a board feature with the current SH4-202 MicroDev in
-         *      that the 2 byte enables (nBE0 and nBE1) are tied together (and
-         *      to the Chip Select Line (Ethernet_CS)). Due to this connectivity,
-         *      it is not possible to safely perform 8-bit writes to the
-         *      Ethernet registers, as 16-bits will be consumed from the Data
-         *      lines (corrupting the other byte).  Hence, this function is
-         *      written to implement 16-bit read/modify/write for all byte-wide
-         *      accesses.
-         *
-         *      Note: there is no problem with byte READS (even or odd).
-         *
-         *                      Sean McGoogan - 16th June 2003.
-         */
-        if ((port >= IO_LAN91C111_BASE) &&
-            (port <  IO_LAN91C111_BASE + IO_LAN91C111_EXTENT)) {
-                        /*
-                         * Then are trying to perform a byte-write to the
-                         * LAN91C111.  This needs special care.
-                         */
-                if (port % 2 == 1) {    /* is the port odd ? */
-                        /* unset bit-0, i.e. make even */
-                        const unsigned long evenPort = port-1;
-                        unsigned short word;
-
-                        /*
-                         * do a 16-bit read/write to write to 'port',
-                         * preserving even byte.
-                         *
-                         *      Even addresses are bits 0-7
-                         *      Odd  addresses are bits 8-15
-                         */
-                        word = microdev_inw(evenPort);
-                        word = (word & 0xffu) | (b << 8);
-                        microdev_outw(word, evenPort);
-                } else {
-                        /* else, we are trying to do an even byte write */
-                        unsigned short word;
-
-                        /*
-                         * do a 16-bit read/write to write to 'port',
-                         * preserving odd byte.
-                         *
-                         *      Even addresses are bits 0-7
-                         *      Odd  addresses are bits 8-15
-                         */
-                        word = microdev_inw(port);
-                        word = (word & 0xff00u) | (b);
-                        microdev_outw(word, port);
-                }
-        } else {
-                *(volatile unsigned char*)PORT2ADDR(port) = b;
-        }
-}
-
-void microdev_outl(unsigned int b, unsigned long port)
-{
-#ifdef CONFIG_PCI
-        if (port >= PCIBIOS_MIN_IO) {
-                microdev_pci_outl(b, port);
-                return;
-        }
-#endif
-        *(volatile unsigned int*)PORT2ADDR(port) = b;
-}
-
-unsigned char microdev_inb_p(unsigned long port)
-{
-        unsigned char v = microdev_inb(port);
-        delay();
-        return v;
-}
-
-unsigned short microdev_inw_p(unsigned long port)
-{
-        unsigned short v = microdev_inw(port);
-        delay();
-        return v;
-}
-
-unsigned int microdev_inl_p(unsigned long port)
-{
-        unsigned int v = microdev_inl(port);
-        delay();
-        return v;
-}
-
-void microdev_outb_p(unsigned char b, unsigned long port)
-{
-        microdev_outb(b, port);
-        delay();
-}
-
-void microdev_outw_p(unsigned short b, unsigned long port)
-{
-        microdev_outw(b, port);
-        delay();
-}
-
-void microdev_outl_p(unsigned int b, unsigned long port)
-{
-        microdev_outl(b, port);
-        delay();
-}
-
-void microdev_insb(unsigned long port, void *buffer, unsigned long count)
-{
-        volatile unsigned char *port_addr;
-        unsigned char *buf = buffer;
-
-        port_addr = (volatile unsigned char *)PORT2ADDR(port);
-
-        while (count--)
-                *buf++ = *port_addr;
-}
-
-void microdev_insw(unsigned long port, void *buffer, unsigned long count)
-{
-        volatile unsigned short *port_addr;
-        unsigned short *buf = buffer;
-
-        port_addr = (volatile unsigned short *)PORT2ADDR(port);
-
-        while (count--)
-                *buf++ = *port_addr;
-}
-
-void microdev_insl(unsigned long port, void *buffer, unsigned long count)
-{
-        volatile unsigned long *port_addr;
-        unsigned int *buf = buffer;
-
-        port_addr = (volatile unsigned long *)PORT2ADDR(port);
-
-        while (count--)
-                *buf++ = *port_addr;
-}
-
-void microdev_outsb(unsigned long port, const void *buffer, unsigned long count)
-{
-        volatile unsigned char *port_addr;
-        const unsigned char *buf = buffer;
-
-        port_addr = (volatile unsigned char *)PORT2ADDR(port);
-
-        while (count--)
-                *port_addr = *buf++;
-}
-
-void microdev_outsw(unsigned long port, const void *buffer, unsigned long count)
-{
-        volatile unsigned short *port_addr;
-        const unsigned short *buf = buffer;
-
-        port_addr = (volatile unsigned short *)PORT2ADDR(port);
-
-        while (count--)
-                *port_addr = *buf++;
-}
-
-void microdev_outsl(unsigned long port, const void *buffer, unsigned long count)
-{
-        volatile unsigned long *port_addr;
-        const unsigned int *buf = buffer;
-
-        port_addr = (volatile unsigned long *)PORT2ADDR(port);
-
-        while (count--)
-                *port_addr = *buf++;
+        return (void __iomem *)result;
 }
diff --git a/arch/sh/boards/mach-microdev/setup.c b/arch/sh/boards/mach-microdev/setup.c
index d1df2a4fb9b8..d8a747291e03 100644
--- a/arch/sh/boards/mach-microdev/setup.c
+++ b/arch/sh/boards/mach-microdev/setup.c
@@ -195,27 +195,6 @@ device_initcall(microdev_devices_setup);
 static struct sh_machine_vector mv_sh4202_microdev __initmv = {
         .mv_name                = "SH4-202 MicroDev",
         .mv_nr_irqs             = 72,
-
-        .mv_inb                 = microdev_inb,
-        .mv_inw                 = microdev_inw,
-        .mv_inl                 = microdev_inl,
-        .mv_outb                = microdev_outb,
-        .mv_outw                = microdev_outw,
-        .mv_outl                = microdev_outl,
-
-        .mv_inb_p               = microdev_inb_p,
-        .mv_inw_p               = microdev_inw_p,
-        .mv_inl_p               = microdev_inl_p,
-        .mv_outb_p              = microdev_outb_p,
-        .mv_outw_p              = microdev_outw_p,
-        .mv_outl_p              = microdev_outl_p,
-
-        .mv_insb                = microdev_insb,
-        .mv_insw                = microdev_insw,
-        .mv_insl                = microdev_insl,
-        .mv_outsb               = microdev_outsb,
-        .mv_outsw               = microdev_outsw,
-        .mv_outsl               = microdev_outsl,
-
+        .mv_ioport_map          = microdev_ioport_map,
         .mv_init_irq            = init_microdev_irq,
 };
diff --git a/arch/sh/boards/mach-se/7206/Makefile b/arch/sh/boards/mach-se/7206/Makefile
index 63e7ed699f39..5c9eaa0535b9 100644
--- a/arch/sh/boards/mach-se/7206/Makefile
+++ b/arch/sh/boards/mach-se/7206/Makefile
@@ -2,4 +2,4 @@
 # Makefile for the 7206 SolutionEngine specific parts of the kernel
 #
 
-obj-y    := setup.o io.o irq.o
+obj-y    := setup.o irq.o
diff --git a/arch/sh/boards/mach-se/7206/io.c b/arch/sh/boards/mach-se/7206/io.c
deleted file mode 100644
index adadc77532ee..000000000000
--- a/arch/sh/boards/mach-se/7206/io.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $
- *
- * linux/arch/sh/boards/se/7206/io.c
- *
- * Copyright (C) 2006 Yoshinori Sato
- *
- * I/O routine for Hitachi 7206 SolutionEngine.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <asm/io.h>
-#include <mach-se/mach/se7206.h>
-
-
-static inline void delay(void)
-{
-        __raw_readw(0x20000000);  /* P2 ROM Area */
-}
-
-/* MS7750 requires special versions of in*, out* routines, since
-   PC-like io ports are located at upper half byte of 16-bit word which
-   can be accessed only with 16-bit wide.  */
-
-static inline volatile __u16 *
-port2adr(unsigned int port)
-{
-        if (port >= 0x2000 && port < 0x2020)
-                return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
-        else if (port >= 0x300 && port < 0x310)
-                return (volatile __u16 *) (PA_SMSC + (port - 0x300));
-
-        return (volatile __u16 *)port;
-}
-
-unsigned char se7206_inb(unsigned long port)
-{
-        return (*port2adr(port)) & 0xff;
-}
-
-unsigned char se7206_inb_p(unsigned long port)
-{
-        unsigned long v;
-
-        v = (*port2adr(port)) & 0xff;
-        delay();
-        return v;
-}
-
-unsigned short se7206_inw(unsigned long port)
-{
-        return *port2adr(port);
-}
-
-void se7206_outb(unsigned char value, unsigned long port)
-{
-        *(port2adr(port)) = value;
-}
-
-void se7206_outb_p(unsigned char value, unsigned long port)
-{
-        *(port2adr(port)) = value;
-        delay();
-}
-
-void se7206_outw(unsigned short value, unsigned long port)
-{
-        *port2adr(port) = value;
-}
-
-void se7206_insb(unsigned long port, void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        __u8 *ap = addr;
-
-        while (count--)
-                *ap++ = *p;
-}
-
-void se7206_insw(unsigned long port, void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        __u16 *ap = addr;
-        while (count--)
-                *ap++ = *p;
-}
-
-void se7206_outsb(unsigned long port, const void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        const __u8 *ap = addr;
-
-        while (count--)
-                *p = *ap++;
-}
-
-void se7206_outsw(unsigned long port, const void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        const __u16 *ap = addr;
-        while (count--)
-                *p = *ap++;
-}
diff --git a/arch/sh/boards/mach-se/7206/irq.c b/arch/sh/boards/mach-se/7206/irq.c
index 883b21eacaa6..d961949600fd 100644
--- a/arch/sh/boards/mach-se/7206/irq.c
+++ b/arch/sh/boards/mach-se/7206/irq.c
@@ -139,11 +139,13 @@ void __init init_se7206_IRQ(void)
         make_se7206_irq(IRQ0_IRQ); /* SMC91C111 */
         make_se7206_irq(IRQ1_IRQ); /* ATA */
         make_se7206_irq(IRQ3_IRQ); /* SLOT / PCM */
-        __raw_writew(inw(INTC_ICR1) | 0x000b ,INTC_ICR1 ) ; /* ICR1 */
+
+        __raw_writew(__raw_readw(INTC_ICR1) | 0x000b, INTC_ICR); /* ICR1 */
 
         /* FPGA System register setup*/
         __raw_writew(0x0000,INTSTS0); /* Clear INTSTS0 */
         __raw_writew(0x0000,INTSTS1); /* Clear INTSTS1 */
+
         /* IRQ0=LAN, IRQ1=ATA, IRQ3=SLT,PCM */
         __raw_writew(0x0001,INTSEL);
 }
diff --git a/arch/sh/boards/mach-se/7206/setup.c b/arch/sh/boards/mach-se/7206/setup.c
index 8f5c65d43d1d..7f4871c71a01 100644
--- a/arch/sh/boards/mach-se/7206/setup.c
+++ b/arch/sh/boards/mach-se/7206/setup.c
@@ -86,20 +86,5 @@ __initcall(se7206_devices_setup);
 static struct sh_machine_vector mv_se __initmv = {
         .mv_name                = "SolutionEngine",
         .mv_nr_irqs             = 256,
-        .mv_inb                 = se7206_inb,
-        .mv_inw                 = se7206_inw,
-        .mv_outb                = se7206_outb,
-        .mv_outw                = se7206_outw,
-
-        .mv_inb_p               = se7206_inb_p,
-        .mv_inw_p               = se7206_inw,
-        .mv_outb_p              = se7206_outb_p,
-        .mv_outw_p              = se7206_outw,
-
-        .mv_insb                = se7206_insb,
-        .mv_insw                = se7206_insw,
-        .mv_outsb               = se7206_outsb,
-        .mv_outsw               = se7206_outsw,
-
         .mv_init_irq            = init_se7206_IRQ,
 };
diff --git a/arch/sh/boards/mach-se/770x/Makefile b/arch/sh/boards/mach-se/770x/Makefile
index 8e624b06d5ea..43ea14feef51 100644
--- a/arch/sh/boards/mach-se/770x/Makefile
+++ b/arch/sh/boards/mach-se/770x/Makefile
@@ -2,4 +2,4 @@
 # Makefile for the 770x SolutionEngine specific parts of the kernel
 #
 
-obj-y    := setup.o io.o irq.o
+obj-y    := setup.o irq.o
diff --git a/arch/sh/boards/mach-se/770x/io.c b/arch/sh/boards/mach-se/770x/io.c
deleted file mode 100644
index 28833c8786ea..000000000000
--- a/arch/sh/boards/mach-se/770x/io.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright (C) 2000  Kazumoto Kojima
- *
- * I/O routine for Hitachi SolutionEngine.
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <asm/io.h>
-#include <mach-se/mach/se.h>
-
-/* MS7750 requires special versions of in*, out* routines, since
-   PC-like io ports are located at upper half byte of 16-bit word which
-   can be accessed only with 16-bit wide.  */
-
-static inline volatile __u16 *
-port2adr(unsigned int port)
-{
-        if (port & 0xff000000)
-                return ( volatile __u16 *) port;
-        if (port >= 0x2000)
-                return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
-        else if (port >= 0x1000)
-                return (volatile __u16 *) (PA_83902 + (port << 1));
-        else
-                return (volatile __u16 *) (PA_SUPERIO + (port << 1));
-}
-
-static inline int
-shifted_port(unsigned long port)
-{
-        /* For IDE registers, value is not shifted */
-        if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
-                return 0;
-        else
-                return 1;
-}
-
-unsigned char se_inb(unsigned long port)
-{
-        if (shifted_port(port))
-                return (*port2adr(port) >> 8);
-        else
-                return (*port2adr(port))&0xff;
-}
-
-unsigned char se_inb_p(unsigned long port)
-{
-        unsigned long v;
-
-        if (shifted_port(port))
-                v = (*port2adr(port) >> 8);
-        else
-                v = (*port2adr(port))&0xff;
-        ctrl_delay();
-        return v;
-}
-
-unsigned short se_inw(unsigned long port)
-{
-        if (port >= 0x2000)
-                return *port2adr(port);
-        else
-                maybebadio(port);
-        return 0;
-}
-
-unsigned int se_inl(unsigned long port)
-{
-        maybebadio(port);
-        return 0;
-}
-
-void se_outb(unsigned char value, unsigned long port)
-{
-        if (shifted_port(port))
-                *(port2adr(port)) = value << 8;
-        else
-                *(port2adr(port)) = value;
-}
-
-void se_outb_p(unsigned char value, unsigned long port)
-{
-        if (shifted_port(port))
-                *(port2adr(port)) = value << 8;
-        else
-                *(port2adr(port)) = value;
-        ctrl_delay();
-}
-
-void se_outw(unsigned short value, unsigned long port)
-{
-        if (port >= 0x2000)
-                *port2adr(port) = value;
-        else
-                maybebadio(port);
-}
-
-void se_outl(unsigned int value, unsigned long port)
-{
-        maybebadio(port);
-}
-
-void se_insb(unsigned long port, void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        __u8 *ap = addr;
-
-        if (shifted_port(port)) {
-                while (count--)
-                        *ap++ = *p >> 8;
-        } else {
-                while (count--)
-                        *ap++ = *p;
-        }
-}
-
-void se_insw(unsigned long port, void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        __u16 *ap = addr;
-        while (count--)
-                *ap++ = *p;
-}
-
-void se_insl(unsigned long port, void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
-
-void se_outsb(unsigned long port, const void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        const __u8 *ap = addr;
-
-        if (shifted_port(port)) {
-                while (count--)
-                        *p = *ap++ << 8;
-        } else {
-                while (count--)
-                        *p = *ap++;
-        }
-}
-
-void se_outsw(unsigned long port, const void *addr, unsigned long count)
-{
-        volatile __u16 *p = port2adr(port);
-        const __u16 *ap = addr;
-
-        while (count--)
-                *p = *ap++;
-}
-
-void se_outsl(unsigned long port, const void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c
index 66d39d1b0901..31330c65c0ce 100644
--- a/arch/sh/boards/mach-se/770x/setup.c
+++ b/arch/sh/boards/mach-se/770x/setup.c
@@ -195,27 +195,5 @@ static struct sh_machine_vector mv_se __initmv = {
 #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
         .mv_nr_irqs             = 104,
 #endif
-
-        .mv_inb                 = se_inb,
-        .mv_inw                 = se_inw,
-        .mv_inl                 = se_inl,
-        .mv_outb                = se_outb,
-        .mv_outw                = se_outw,
-        .mv_outl                = se_outl,
-
-        .mv_inb_p               = se_inb_p,
-        .mv_inw_p               = se_inw,
-        .mv_inl_p               = se_inl,
-        .mv_outb_p              = se_outb_p,
-        .mv_outw_p              = se_outw,
-        .mv_outl_p              = se_outl,
-
-        .mv_insb                = se_insb,
-        .mv_insw                = se_insw,
-        .mv_insl                = se_insl,
-        .mv_outsb               = se_outsb,
-        .mv_outsw               = se_outsw,
-        .mv_outsl               = se_outsl,
-
         .mv_init_irq            = init_se_IRQ,
 };
diff --git a/arch/sh/boards/mach-se/7751/Makefile b/arch/sh/boards/mach-se/7751/Makefile
index e6f4341bfe6e..a338fd9d5039 100644
--- a/arch/sh/boards/mach-se/7751/Makefile
+++ b/arch/sh/boards/mach-se/7751/Makefile
@@ -2,4 +2,4 @@
 # Makefile for the 7751 SolutionEngine specific parts of the kernel
 #
 
-obj-y    := setup.o io.o irq.o
+obj-y    := setup.o irq.o
diff --git a/arch/sh/boards/mach-se/7751/io.c b/arch/sh/boards/mach-se/7751/io.c
deleted file mode 100644
index 6e75bd4459e5..000000000000
--- a/arch/sh/boards/mach-se/7751/io.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
- * Based largely on io_se.c.
- *
- * I/O routine for Hitachi 7751 SolutionEngine.
- *
- * Initial version only to support LAN access; some
- * placeholder code from io_se.c left in with the
- * expectation of later SuperIO and PCMCIA access.
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-#include <mach-se/mach/se7751.h>
-#include <asm/addrspace.h>
-
-static inline volatile u16 *port2adr(unsigned int port)
-{
-        if (port >= 0x2000)
-                return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
-        maybebadio((unsigned long)port);
-        return (volatile __u16*)port;
-}
-
-/*
- * General outline: remap really low stuff [eventually] to SuperIO,
- * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
- * is mapped through the PCI IO window.  Stuff with high bits (PXSEG)
- * should be way beyond the window, and is used  w/o translation for
- * compatibility.
- */
-unsigned char sh7751se_inb(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned char *)port;
-        else
-                return (*port2adr(port)) & 0xff;
-}
-
-unsigned char sh7751se_inb_p(unsigned long port)
-{
-        unsigned char v;
-
-        if (PXSEG(port))
-                v = *(volatile unsigned char *)port;
-        else
-                v = (*port2adr(port)) & 0xff;
-        ctrl_delay();
-        return v;
-}
-
-unsigned short sh7751se_inw(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned short *)port;
-        else if (port >= 0x2000)
-                return *port2adr(port);
-        else
-                maybebadio(port);
-        return 0;
-}
-
-unsigned int sh7751se_inl(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned long *)port;
-        else if (port >= 0x2000)
-                return *port2adr(port);
-        else
-                maybebadio(port);
-        return 0;
-}
-
-void sh7751se_outb(unsigned char value, unsigned long port)
-{
-
-        if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-        else
-                *(port2adr(port)) = value;
-}
-
-void sh7751se_outb_p(unsigned char value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-        else
-                *(port2adr(port)) = value;
-        ctrl_delay();
-}
-
-void sh7751se_outw(unsigned short value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned short *)port = value;
-        else if (port >= 0x2000)
-                *port2adr(port) = value;
-        else
-                maybebadio(port);
-}
-
-void sh7751se_outl(unsigned int value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned long *)port = value;
-        else
-                maybebadio(port);
-}
-
-void sh7751se_insl(unsigned long port, void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
-
-void sh7751se_outsl(unsigned long port, const void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
diff --git a/arch/sh/boards/mach-se/7751/setup.c b/arch/sh/boards/mach-se/7751/setup.c
index 50572512e3e8..9fbc51beb181 100644
--- a/arch/sh/boards/mach-se/7751/setup.c
+++ b/arch/sh/boards/mach-se/7751/setup.c
@@ -56,23 +56,5 @@ __initcall(se7751_devices_setup);
 static struct sh_machine_vector mv_7751se __initmv = {
         .mv_name                = "7751 SolutionEngine",
         .mv_nr_irqs             = 72,
-
-        .mv_inb                 = sh7751se_inb,
-        .mv_inw                 = sh7751se_inw,
-        .mv_inl                 = sh7751se_inl,
-        .mv_outb                = sh7751se_outb,
-        .mv_outw                = sh7751se_outw,
-        .mv_outl                = sh7751se_outl,
-
-        .mv_inb_p               = sh7751se_inb_p,
-        .mv_inw_p               = sh7751se_inw,
-        .mv_inl_p               = sh7751se_inl,
-        .mv_outb_p              = sh7751se_outb_p,
-        .mv_outw_p              = sh7751se_outw,
-        .mv_outl_p              = sh7751se_outl,
-
-        .mv_insl                = sh7751se_insl,
-        .mv_outsl               = sh7751se_outsl,
-
         .mv_init_irq            = init_7751se_IRQ,
 };
diff --git a/arch/sh/boards/mach-snapgear/Makefile b/arch/sh/boards/mach-snapgear/Makefile
deleted file mode 100644
index d2d2f4b6a502..000000000000
--- a/arch/sh/boards/mach-snapgear/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-#
-# Makefile for the SnapGear specific parts of the kernel
-#
-
-obj-y    := setup.o io.o
diff --git a/arch/sh/boards/mach-snapgear/io.c b/arch/sh/boards/mach-snapgear/io.c
deleted file mode 100644
index 476650e42dbc..000000000000
--- a/arch/sh/boards/mach-snapgear/io.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
- * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
- * Based largely on io_se.c.
- *
- * I/O routine for Hitachi 7751 SolutionEngine.
- *
- * Initial version only to support LAN access; some
- * placeholder code from io_se.c left in with the
- * expectation of later SuperIO and PCMCIA access.
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-#include <asm/addrspace.h>
-
-#ifdef CONFIG_SH_SECUREEDGE5410
-unsigned short secureedge5410_ioport;
-#endif
-
-static inline volatile __u16 *port2adr(unsigned int port)
-{
-        maybebadio((unsigned long)port);
-        return (volatile __u16*)port;
-}
-
-/*
- * General outline: remap really low stuff [eventually] to SuperIO,
- * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
- * is mapped through the PCI IO window.  Stuff with high bits (PXSEG)
- * should be way beyond the window, and is used  w/o translation for
- * compatibility.
- */
-unsigned char snapgear_inb(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned char *)port;
-        else
-                return (*port2adr(port)) & 0xff;
-}
-
-unsigned char snapgear_inb_p(unsigned long port)
-{
-        unsigned char v;
-
-        if (PXSEG(port))
-                v = *(volatile unsigned char *)port;
-        else
-                v = (*port2adr(port))&0xff;
-        ctrl_delay();
-        return v;
-}
-
-unsigned short snapgear_inw(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned short *)port;
-        else if (port >= 0x2000)
-                return *port2adr(port);
-        else
-                maybebadio(port);
-        return 0;
-}
-
-unsigned int snapgear_inl(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned long *)port;
-        else if (port >= 0x2000)
-                return *port2adr(port);
-        else
-                maybebadio(port);
-        return 0;
-}
-
-void snapgear_outb(unsigned char value, unsigned long port)
-{
-
-        if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-        else
-                *(port2adr(port)) = value;
-}
-
-void snapgear_outb_p(unsigned char value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-        else
-                *(port2adr(port)) = value;
-        ctrl_delay();
-}
-
-void snapgear_outw(unsigned short value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned short *)port = value;
-        else if (port >= 0x2000)
-                *port2adr(port) = value;
-        else
-                maybebadio(port);
-}
-
-void snapgear_outl(unsigned int value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned long *)port = value;
-        else
-                maybebadio(port);
-}
-
-void snapgear_insl(unsigned long port, void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
-
-void snapgear_outsl(unsigned long port, const void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
diff --git a/arch/sh/boards/mach-systemh/Makefile b/arch/sh/boards/mach-systemh/Makefile
deleted file mode 100644
index 2cc6a23d9d39..000000000000
--- a/arch/sh/boards/mach-systemh/Makefile
+++ /dev/null
@@ -1,13 +0,0 @@
-#
-# Makefile for the SystemH specific parts of the kernel
-#
-
-obj-y    := setup.o irq.o io.o
-
-# XXX: This wants to be consolidated in arch/sh/drivers/pci, and more
-# importantly, with the generic sh7751_pcic_init() code. For now, we'll
-# just abuse the hell out of kbuild, because we can..
-
-obj-$(CONFIG_PCI) += pci.o
-pci-y := ../../se/7751/pci.o
-
diff --git a/arch/sh/boards/mach-systemh/io.c b/arch/sh/boards/mach-systemh/io.c
deleted file mode 100644
index 15577ff1f715..000000000000
--- a/arch/sh/boards/mach-systemh/io.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * linux/arch/sh/boards/renesas/systemh/io.c
- *
- * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
- * Based largely on io_se.c.
- *
- * I/O routine for Hitachi 7751 Systemh.
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <mach/systemh7751.h>
-#include <asm/addrspace.h>
-#include <asm/io.h>
-
-#define ETHER_IOMAP(adr) (0xB3000000 + (adr)) /*map to 16bits access area
-                                                of smc lan chip*/
-static inline volatile __u16 *
-port2adr(unsigned int port)
-{
-        if (port >= 0x2000)
-                return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
-        maybebadio((unsigned long)port);
-        return (volatile __u16*)port;
-}
-
-/*
- * General outline: remap really low stuff [eventually] to SuperIO,
- * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
- * is mapped through the PCI IO window.  Stuff with high bits (PXSEG)
- * should be way beyond the window, and is used  w/o translation for
- * compatibility.
- */
-unsigned char sh7751systemh_inb(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned char *)port;
-        else if (port <= 0x3F1)
-                return *(volatile unsigned char *)ETHER_IOMAP(port);
-        else
-                return (*port2adr(port))&0xff;
-}
-
-unsigned char sh7751systemh_inb_p(unsigned long port)
-{
-        unsigned char v;
-
-        if (PXSEG(port))
-                v = *(volatile unsigned char *)port;
-        else if (port <= 0x3F1)
-                v = *(volatile unsigned char *)ETHER_IOMAP(port);
-        else
-                v = (*port2adr(port))&0xff;
-        ctrl_delay();
-        return v;
-}
-
-unsigned short sh7751systemh_inw(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned short *)port;
-        else if (port >= 0x2000)
-                return *port2adr(port);
-        else if (port <= 0x3F1)
-                return *(volatile unsigned int *)ETHER_IOMAP(port);
-        else
-                maybebadio(port);
-        return 0;
-}
-
-unsigned int sh7751systemh_inl(unsigned long port)
-{
-        if (PXSEG(port))
-                return *(volatile unsigned long *)port;
-        else if (port >= 0x2000)
-                return *port2adr(port);
-        else if (port <= 0x3F1)
-                return *(volatile unsigned int *)ETHER_IOMAP(port);
-        else
-                maybebadio(port);
-        return 0;
-}
-
-void sh7751systemh_outb(unsigned char value, unsigned long port)
-{
-
-        if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-        else if (port <= 0x3F1)
-                *(volatile unsigned char *)ETHER_IOMAP(port) = value;
-        else
-                *(port2adr(port)) = value;
-}
-
-void sh7751systemh_outb_p(unsigned char value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-        else if (port <= 0x3F1)
-                *(volatile unsigned char *)ETHER_IOMAP(port) = value;
-        else
-                *(port2adr(port)) = value;
-        ctrl_delay();
-}
-
-void sh7751systemh_outw(unsigned short value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned short *)port = value;
-        else if (port >= 0x2000)
-                *port2adr(port) = value;
-        else if (port <= 0x3F1)
-                *(volatile unsigned short *)ETHER_IOMAP(port) = value;
-        else
-                maybebadio(port);
-}
-
-void sh7751systemh_outl(unsigned int value, unsigned long port)
-{
-        if (PXSEG(port))
-                *(volatile unsigned long *)port = value;
-        else
-                maybebadio(port);
-}
-
-void sh7751systemh_insb(unsigned long port, void *addr, unsigned long count)
-{
-        unsigned char *p = addr;
-        while (count--) *p++ = sh7751systemh_inb(port);
-}
-
-void sh7751systemh_insw(unsigned long port, void *addr, unsigned long count)
-{
-        unsigned short *p = addr;
-        while (count--) *p++ = sh7751systemh_inw(port);
-}
-
-void sh7751systemh_insl(unsigned long port, void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
-
-void sh7751systemh_outsb(unsigned long port, const void *addr, unsigned long count)
-{
-        unsigned char *p = (unsigned char*)addr;
-        while (count--) sh7751systemh_outb(*p++, port);
-}
-
-void sh7751systemh_outsw(unsigned long port, const void *addr, unsigned long count)
-{
-        unsigned short *p = (unsigned short*)addr;
-        while (count--) sh7751systemh_outw(*p++, port);
-}
-
-void sh7751systemh_outsl(unsigned long port, const void *addr, unsigned long count)
-{
-        maybebadio(port);
-}
diff --git a/arch/sh/boards/mach-systemh/irq.c b/arch/sh/boards/mach-systemh/irq.c
deleted file mode 100644
index e5ee13adeff4..000000000000
--- a/arch/sh/boards/mach-systemh/irq.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * linux/arch/sh/boards/renesas/systemh/irq.c
- *
- * Copyright (C) 2000  Kazumoto Kojima
- *
- * Hitachi SystemH Support.
- *
- * Modified for 7751 SystemH by
- * Jonathan Short.
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-
-#include <mach/systemh7751.h>
-#include <asm/smc37c93x.h>
-
-/* address of external interrupt mask register
- * address must be set prior to use these (maybe in init_XXX_irq())
- * XXX : is it better to use .config than specifying it in code? */
-static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
-static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
-
-static void disable_systemh_irq(struct irq_data *data)
-{
-        unsigned long val, mask = 0x01 << 1;
-
-        /* Clear the "irq"th bit in the mask and set it in the request */
-        val = __raw_readl((unsigned long)systemh_irq_mask_register);
-        val &= ~mask;
-        __raw_writel(val, (unsigned long)systemh_irq_mask_register);
-
-        val = __raw_readl((unsigned long)systemh_irq_request_register);
-        val |= mask;
-        __raw_writel(val, (unsigned long)systemh_irq_request_register);
-}
-
-static void enable_systemh_irq(struct irq_data *data)
-{
-        unsigned long val, mask = 0x01 << 1;
-
-        /* Set "irq"th bit in the mask register */
-        val = __raw_readl((unsigned long)systemh_irq_mask_register);
-        val |= mask;
-        __raw_writel(val, (unsigned long)systemh_irq_mask_register);
-}
-
-static struct irq_chip systemh_irq_type = {
-        .name           = "SystemH Register",
-        .irq_unmask     = enable_systemh_irq,
-        .irq_mask       = disable_systemh_irq,
-};
-
-void make_systemh_irq(unsigned int irq)
-{
-        disable_irq_nosync(irq);
-        set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
-        disable_systemh_irq(irq_get_irq_data(irq));
-}
diff --git a/arch/sh/boards/mach-systemh/setup.c b/arch/sh/boards/mach-systemh/setup.c
deleted file mode 100644
index 219fd800a43f..000000000000
--- a/arch/sh/boards/mach-systemh/setup.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * linux/arch/sh/boards/renesas/systemh/setup.c
- *
- * Copyright (C) 2000  Kazumoto Kojima
- * Copyright (C) 2003  Paul Mundt
- *
- * Hitachi SystemH Support.
- *
- * Modified for 7751 SystemH by Jonathan Short.
- *
- * Rewritten for 2.6 by Paul Mundt.
- *
- * 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.
- */
-#include <linux/init.h>
-#include <asm/machvec.h>
-#include <mach/systemh7751.h>
-
-extern void make_systemh_irq(unsigned int irq);
-
-/*
- * Initialize IRQ setting
- */
-static void __init sh7751systemh_init_irq(void)
-{
-        make_systemh_irq(0xb);  /* Ethernet interrupt */
-}
-
-static struct sh_machine_vector mv_7751systemh __initmv = {
-        .mv_name                = "7751 SystemH",
-        .mv_nr_irqs             = 72,
-
-        .mv_inb                 = sh7751systemh_inb,
-        .mv_inw                 = sh7751systemh_inw,
-        .mv_inl                 = sh7751systemh_inl,
-        .mv_outb                = sh7751systemh_outb,
-        .mv_outw                = sh7751systemh_outw,
-        .mv_outl                = sh7751systemh_outl,
-
-        .mv_inb_p               = sh7751systemh_inb_p,
-        .mv_inw_p               = sh7751systemh_inw,
-        .mv_inl_p               = sh7751systemh_inl,
-        .mv_outb_p              = sh7751systemh_outb_p,
-        .mv_outw_p              = sh7751systemh_outw,
-        .mv_outl_p              = sh7751systemh_outl,
-
-        .mv_insb                = sh7751systemh_insb,
-        .mv_insw                = sh7751systemh_insw,
-        .mv_insl                = sh7751systemh_insl,
-        .mv_outsb               = sh7751systemh_outsb,
-        .mv_outsw               = sh7751systemh_outsw,
-        .mv_outsl               = sh7751systemh_outsl,
-
-        .mv_init_irq            = sh7751systemh_init_irq,
-};
diff --git a/arch/sh/configs/snapgear_defconfig b/arch/sh/configs/secureedge5410_defconfig
index 7eae4e59d7f0..7eae4e59d7f0 100644
--- a/arch/sh/configs/snapgear_defconfig
+++ b/arch/sh/configs/secureedge5410_defconfig
diff --git a/arch/sh/configs/systemh_defconfig b/arch/sh/configs/systemh_defconfig
deleted file mode 100644
index b58dfc505efe..000000000000
--- a/arch/sh/configs/systemh_defconfig
+++ /dev/null
@@ -1,28 +0,0 @@
-CONFIG_EXPERIMENTAL=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_BLK_DEV_INITRD=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-# CONFIG_SYSCTL_SYSCALL is not set
-# CONFIG_HOTPLUG is not set
-CONFIG_SLAB=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_CPU_SUBTYPE_SH7751R=y
-CONFIG_MEMORY_START=0x0c000000
-CONFIG_MEMORY_SIZE=0x00400000
-CONFIG_FLATMEM_MANUAL=y
-CONFIG_SH_7751_SYSTEMH=y
-CONFIG_PREEMPT=y
-# CONFIG_STANDALONE is not set
-CONFIG_BLK_DEV_RAM=y
-CONFIG_BLK_DEV_RAM_SIZE=1024
-# CONFIG_INPUT is not set
-# CONFIG_SERIO_SERPORT is not set
-# CONFIG_VT is not set
-CONFIG_HW_RANDOM=y
-CONFIG_PROC_KCORE=y
-CONFIG_TMPFS=y
-CONFIG_CRAMFS=y
-CONFIG_ROMFS_FS=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
diff --git a/arch/sh/include/asm/addrspace.h b/arch/sh/include/asm/addrspace.h
index 446b3831c214..3d1ae2bfaa6f 100644
--- a/arch/sh/include/asm/addrspace.h
+++ b/arch/sh/include/asm/addrspace.h
@@ -44,10 +44,10 @@
 /*
  * These will never work in 32-bit, don't even bother.
  */
-#define P1SEGADDR(a)    __futile_remapping_attempt
-#define P2SEGADDR(a)    __futile_remapping_attempt
-#define P3SEGADDR(a)    __futile_remapping_attempt
-#define P4SEGADDR(a)    __futile_remapping_attempt
+#define P1SEGADDR(a)    ({ (void)(a); BUG(); NULL; })
+#define P2SEGADDR(a)    ({ (void)(a); BUG(); NULL; })
+#define P3SEGADDR(a)    ({ (void)(a); BUG(); NULL; })
+#define P4SEGADDR(a)    ({ (void)(a); BUG(); NULL; })
 #endif
 #endif /* P1SEG */
 
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index a15f1058bbf4..083ea068e819 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -66,7 +66,6 @@ static inline unsigned long long neff_sign_extend(unsigned long val)
 #define PHYS_ADDR_MASK29                0x1fffffff
 #define PHYS_ADDR_MASK32                0xffffffff
 
-#ifdef CONFIG_PMB
 static inline unsigned long phys_addr_mask(void)
 {
         /* Is the MMU in 29bit mode? */
@@ -75,17 +74,6 @@ static inline unsigned long phys_addr_mask(void)
 
         return PHYS_ADDR_MASK32;
 }
-#elif defined(CONFIG_32BIT)
-static inline unsigned long phys_addr_mask(void)
-{
-        return PHYS_ADDR_MASK32;
-}
-#else
-static inline unsigned long phys_addr_mask(void)
-{
-        return PHYS_ADDR_MASK29;
-}
-#endif
 
 #define PTE_PHYS_MASK           (phys_addr_mask() & PAGE_MASK)
 #define PTE_FLAGS_MASK          (~(PTE_PHYS_MASK) << PAGE_SHIFT)
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index 1f1af5afff03..10c8b1823a18 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -10,6 +10,7 @@
 #include <linux/compiler.h>
 #include <linux/linkage.h>
 #include <asm/types.h>
+#include <asm/uncached.h>
 
 #define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
 
@@ -137,9 +138,6 @@ extern unsigned int instruction_size(unsigned int insn);
 #define instruction_size(insn)  (4)
 #endif
 
-extern unsigned long cached_to_uncached;
-extern unsigned long uncached_size;
-
 void per_cpu_trap_init(void);
 void default_idle(void);
 void cpu_idle_wait(void);
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index c941b2739405..a4ad1cd9bc4d 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -145,42 +145,6 @@ do {								\
                 __restore_dsp(prev);                            \
 } while (0)
 
-/*
- * Jump to uncached area.
- * When handling TLB or caches, we need to do it from an uncached area.
- */
-#define jump_to_uncached()                      \
-do {                                            \
-        unsigned long __dummy;                  \
-                                                \
-        __asm__ __volatile__(                   \
-                "mova   1f, %0\n\t"             \
-                "add    %1, %0\n\t"             \
-                "jmp    @%0\n\t"                \
-                " nop\n\t"                      \
-                ".balign 4\n"                   \
-                "1:"                            \
-                : "=&z" (__dummy)               \
-                : "r" (cached_to_uncached));    \
-} while (0)
-
-/*
- * Back to cached area.
- */
-#define back_to_cached()                                \
-do {                                                    \
-        unsigned long __dummy;                          \
-        ctrl_barrier();                                 \
-        __asm__ __volatile__(                           \
-                "mov.l  1f, %0\n\t"                     \
-                "jmp    @%0\n\t"                        \
-                " nop\n\t"                              \
-                ".balign 4\n"                           \
-                "1:     .long 2f\n"                     \
-                "2:"                                    \
-                : "=&r" (__dummy));                     \
-} while (0)
-
 #ifdef CONFIG_CPU_HAS_SR_RB
 #define lookup_exception_vector()       \
 ({                                      \
diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h
index 36338646dfc8..8593bc8d1a4e 100644
--- a/arch/sh/include/asm/system_64.h
+++ b/arch/sh/include/asm/system_64.h
@@ -34,9 +34,6 @@ do {								\
                               &next->thread);                   \
 } while (0)
 
-#define jump_to_uncached()      do { } while (0)
-#define back_to_cached()        do { } while (0)
-
 #define __icbi(addr)    __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
 #define __ocbp(addr)    __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
 #define __ocbi(addr)    __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
diff --git a/arch/sh/include/asm/uncached.h b/arch/sh/include/asm/uncached.h
index e3419f96626a..6f8816b79cf1 100644
--- a/arch/sh/include/asm/uncached.h
+++ b/arch/sh/include/asm/uncached.h
@@ -4,15 +4,55 @@
 #include <linux/bug.h>
 
 #ifdef CONFIG_UNCACHED_MAPPING
+extern unsigned long cached_to_uncached;
+extern unsigned long uncached_size;
 extern unsigned long uncached_start, uncached_end;
 
 extern int virt_addr_uncached(unsigned long kaddr);
 extern void uncached_init(void);
 extern void uncached_resize(unsigned long size);
+
+/*
+ * Jump to uncached area.
+ * When handling TLB or caches, we need to do it from an uncached area.
+ */
+#define jump_to_uncached()                      \
+do {                                            \
+        unsigned long __dummy;                  \
+                                                \
+        __asm__ __volatile__(                   \
+                "mova   1f, %0\n\t"             \
+                "add    %1, %0\n\t"             \
+                "jmp    @%0\n\t"                \
+                " nop\n\t"                      \
+                ".balign 4\n"                   \
+                "1:"                            \
+                : "=&z" (__dummy)               \
+                : "r" (cached_to_uncached));    \
+} while (0)
+
+/*
+ * Back to cached area.
+ */
+#define back_to_cached()                                \
+do {                                                    \
+        unsigned long __dummy;                          \
+        ctrl_barrier();                                 \
+        __asm__ __volatile__(                           \
+                "mov.l  1f, %0\n\t"                     \
+                "jmp    @%0\n\t"                        \
+                " nop\n\t"                              \
+                ".balign 4\n"                           \
+                "1:     .long 2f\n"                     \
+                "2:"                                    \
+                : "=&r" (__dummy));                     \
+} while (0)
 #else
 #define virt_addr_uncached(kaddr)       (0)
 #define uncached_init()                 do { } while (0)
 #define uncached_resize(size)           BUG()
+#define jump_to_uncached()              do { } while (0)
+#define back_to_cached()                do { } while (0)
 #endif
 
 #endif /* __ASM_SH_UNCACHED_H */
diff --git a/arch/sh/include/mach-common/mach/edosk7705.h b/arch/sh/include/mach-common/mach/edosk7705.h
deleted file mode 100644
index efc43b323466..000000000000
--- a/arch/sh/include/mach-common/mach/edosk7705.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef __ASM_SH_EDOSK7705_H
-#define __ASM_SH_EDOSK7705_H
-
-#define __IO_PREFIX sh_edosk7705
-#include <asm/io_generic.h>
-
-#endif /* __ASM_SH_EDOSK7705_H */
diff --git a/arch/sh/include/mach-common/mach/microdev.h b/arch/sh/include/mach-common/mach/microdev.h
index 1aed15856e11..dcb05fa8c164 100644
--- a/arch/sh/include/mach-common/mach/microdev.h
+++ b/arch/sh/include/mach-common/mach/microdev.h
@@ -68,13 +68,4 @@ extern void microdev_print_fpga_intc_status(void);
 #define __IO_PREFIX microdev
 #include <asm/io_generic.h>
 
-#if defined(CONFIG_PCI)
-unsigned char  microdev_pci_inb(unsigned long port);
-unsigned short microdev_pci_inw(unsigned long port);
-unsigned long  microdev_pci_inl(unsigned long port);
-void           microdev_pci_outb(unsigned char  data, unsigned long port);
-void           microdev_pci_outw(unsigned short data, unsigned long port);
-void           microdev_pci_outl(unsigned long  data, unsigned long port);
-#endif
-
 #endif /* __ASM_SH_MICRODEV_H */
diff --git a/arch/sh/include/mach-common/mach/snapgear.h b/arch/sh/include/mach-common/mach/secureedge5410.h
index 042d95f51c4d..3653b9a4bacc 100644
--- a/arch/sh/include/mach-common/mach/snapgear.h
+++ b/arch/sh/include/mach-common/mach/secureedge5410.h
@@ -12,30 +12,9 @@
 #ifndef _ASM_SH_IO_SNAPGEAR_H
 #define _ASM_SH_IO_SNAPGEAR_H
 
-#if defined(CONFIG_CPU_SH4)
-/*
- * The external interrupt lines, these take up ints 0 - 15 inclusive
- * depending on the priority for the interrupt.  In fact the priority
- * is the interrupt :-)
- */
-
-#define IRL0_IRQ        2
-#define IRL0_PRIORITY   13
-
-#define IRL1_IRQ        5
-#define IRL1_PRIORITY   10
-
-#define IRL2_IRQ        8
-#define IRL2_PRIORITY   7
-
-#define IRL3_IRQ        11
-#define IRL3_PRIORITY   4
-#endif
-
 #define __IO_PREFIX     snapgear
 #include <asm/io_generic.h>
 
-#ifdef CONFIG_SH_SECUREEDGE5410
 /*
  * We need to remember what was written to the ioport as some bits
  * are shared with other functions and you cannot read back what was
@@ -66,6 +45,5 @@ extern unsigned short secureedge5410_ioport;
                         ((secureedge5410_ioport & ~(mask)) | ((val) & (mask)))))
 #define SECUREEDGE_READ_IOPORT() \
          ((*SECUREEDGE_IOPORT_ADDR&0x0817) | (secureedge5410_ioport&~0x0817))
-#endif
 
 #endif /* _ASM_SH_IO_SNAPGEAR_H */
diff --git a/arch/sh/include/mach-common/mach/systemh7751.h b/arch/sh/include/mach-common/mach/systemh7751.h
deleted file mode 100644
index 4161122c84ef..000000000000
--- a/arch/sh/include/mach-common/mach/systemh7751.h
+++ /dev/null
@@ -1,71 +0,0 @@
-#ifndef __ASM_SH_SYSTEMH_7751SYSTEMH_H
-#define __ASM_SH_SYSTEMH_7751SYSTEMH_H
-
-/*
- * linux/include/asm-sh/systemh/7751systemh.h
- *
- * Copyright (C) 2000  Kazumoto Kojima
- *
- * Hitachi SystemH support
-
- * Modified for 7751 SystemH by
- * Jonathan Short, 2002.
- */
-
-/* Box specific addresses.  */
-
-#define PA_ROM          0x00000000      /* EPROM */
-#define PA_ROM_SIZE     0x00400000      /* EPROM size 4M byte */
-#define PA_FROM         0x01000000      /* EPROM */
-#define PA_FROM_SIZE    0x00400000      /* EPROM size 4M byte */
-#define PA_EXT1         0x04000000
-#define PA_EXT1_SIZE    0x04000000
-#define PA_EXT2         0x08000000
-#define PA_EXT2_SIZE    0x04000000
-#define PA_SDRAM        0x0c000000
-#define PA_SDRAM_SIZE   0x04000000
-
-#define PA_EXT4         0x12000000
-#define PA_EXT4_SIZE    0x02000000
-#define PA_EXT5         0x14000000
-#define PA_EXT5_SIZE    0x04000000
-#define PA_PCIC         0x18000000      /* MR-SHPC-01 PCMCIA */
-
-#define PA_DIPSW0       0xb9000000      /* Dip switch 5,6 */
-#define PA_DIPSW1       0xb9000002      /* Dip switch 7,8 */
-#define PA_LED          0xba000000      /* LED */
-#define PA_BCR          0xbb000000      /* FPGA on the MS7751SE01 */
-
-#define PA_MRSHPC       0xb83fffe0      /* MR-SHPC-01 PCMCIA controller */
-#define PA_MRSHPC_MW1   0xb8400000      /* MR-SHPC-01 memory window base */
-#define PA_MRSHPC_MW2   0xb8500000      /* MR-SHPC-01 attribute window base */
-#define PA_MRSHPC_IO    0xb8600000      /* MR-SHPC-01 I/O window base */
-#define MRSHPC_MODE     (PA_MRSHPC + 4)
-#define MRSHPC_OPTION   (PA_MRSHPC + 6)
-#define MRSHPC_CSR      (PA_MRSHPC + 8)
-#define MRSHPC_ISR      (PA_MRSHPC + 10)
-#define MRSHPC_ICR      (PA_MRSHPC + 12)
-#define MRSHPC_CPWCR    (PA_MRSHPC + 14)
-#define MRSHPC_MW0CR1   (PA_MRSHPC + 16)
-#define MRSHPC_MW1CR1   (PA_MRSHPC + 18)
-#define MRSHPC_IOWCR1   (PA_MRSHPC + 20)
-#define MRSHPC_MW0CR2   (PA_MRSHPC + 22)
-#define MRSHPC_MW1CR2   (PA_MRSHPC + 24)
-#define MRSHPC_IOWCR2   (PA_MRSHPC + 26)
-#define MRSHPC_CDCR     (PA_MRSHPC + 28)
-#define MRSHPC_PCIC_INFO (PA_MRSHPC + 30)
-
-#define BCR_ILCRA       (PA_BCR + 0)
-#define BCR_ILCRB       (PA_BCR + 2)
-#define BCR_ILCRC       (PA_BCR + 4)
-#define BCR_ILCRD       (PA_BCR + 6)
-#define BCR_ILCRE       (PA_BCR + 8)
-#define BCR_ILCRF       (PA_BCR + 10)
-#define BCR_ILCRG       (PA_BCR + 12)
-
-#define IRQ_79C973      13
-
-#define __IO_PREFIX     sh7751systemh
-#include <asm/io_generic.h>
-
-#endif  /* __ASM_SH_SYSTEMH_7751SYSTEMH_H */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 2d9700c6b53a..0fe2e9329cb2 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -48,7 +48,7 @@ static struct clk r_clk = {
  * Default rate for the root input clock, reset this with clk_set_rate()
  * from the platform code.
  */
-struct clk extal_clk = {
+static struct clk extal_clk = {
         .rate           = 33333333,
 };
 
@@ -111,7 +111,7 @@ static struct clk div3_clk = {
         .parent         = &pll_clk,
 };
 
-struct clk *main_clks[] = {
+static struct clk *main_clks[] = {
         &r_clk,
         &extal_clk,
         &fll_clk,
@@ -156,7 +156,7 @@ struct clk div4_clks[DIV4_NR] = {
 
 enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR };
 
-struct clk div6_clks[DIV6_NR] = {
+static struct clk div6_clks[DIV6_NR] = {
         [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0),
         [DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0),
         [DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0),
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 09370392aff1..c3e61b366493 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -79,7 +79,7 @@ config 29BIT
 
 config 32BIT
         bool
-        default y if CPU_SH5
+        default y if CPU_SH5 || !MMU
 
 config PMB
         bool "Support 32-bit physical addressing through PMB"
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index 038793286990..40733a952402 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -79,21 +79,20 @@ void dma_generic_free_coherent(struct device *dev, size_t size,
 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
                     enum dma_data_direction direction)
 {
-#if defined(CONFIG_CPU_SH5) || defined(CONFIG_PMB)
-        void *p1addr = vaddr;
-#else
-        void *p1addr = (void*) P1SEGADDR((unsigned long)vaddr);
-#endif
+        void *addr;
+
+        addr = __in_29bit_mode() ?
+               (void *)P1SEGADDR((unsigned long)vaddr) : vaddr;
 
         switch (direction) {
         case DMA_FROM_DEVICE:           /* invalidate only */
-                __flush_invalidate_region(p1addr, size);
+                __flush_invalidate_region(addr, size);
                 break;
         case DMA_TO_DEVICE:             /* writeback only */
-                __flush_wback_region(p1addr, size);
+                __flush_wback_region(addr, size);
                 break;
         case DMA_BIDIRECTIONAL:         /* writeback and invalidate */
-                __flush_purge_region(p1addr, size);
+                __flush_purge_region(addr, size);
                 break;
         default:
                 BUG();
diff --git a/arch/sh/mm/uncached.c b/arch/sh/mm/uncached.c
index 8a4eca551fc0..a7767da815e9 100644
--- a/arch/sh/mm/uncached.c
+++ b/arch/sh/mm/uncached.c
@@ -28,7 +28,7 @@ EXPORT_SYMBOL(virt_addr_uncached);
 
 void __init uncached_init(void)
 {
-#ifdef CONFIG_29BIT
+#if defined(CONFIG_29BIT) || !defined(CONFIG_MMU)
         uncached_start = P2SEG;
 #else
         uncached_start = memory_end;
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 9f56eb978024..0e68465e7b50 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -26,7 +26,6 @@ HD64461			HD64461
 7724SE                  SH_7724_SOLUTION_ENGINE
 7751SE                  SH_7751_SOLUTION_ENGINE
 7780SE                  SH_7780_SOLUTION_ENGINE
-7751SYSTEMH             SH_7751_SYSTEMH
 HP6XX                   SH_HP6XX
 DREAMCAST               SH_DREAMCAST
 SNAPGEAR                SH_SECUREEDGE5410
diff --git a/arch/tile/include/asm/highmem.h b/arch/tile/include/asm/highmem.h
index e0f7ee186721..b2a6c5de79ab 100644
--- a/arch/tile/include/asm/highmem.h
+++ b/arch/tile/include/asm/highmem.h
@@ -23,7 +23,6 @@
 
 #include <linux/interrupt.h>
 #include <linux/threads.h>
-#include <asm/kmap_types.h>
 #include <asm/tlbflush.h>
 #include <asm/homecache.h>
 
diff --git a/arch/tile/include/asm/kmap_types.h b/arch/tile/include/asm/kmap_types.h
index 1480106d1c05..3d0f20246260 100644
--- a/arch/tile/include/asm/kmap_types.h
+++ b/arch/tile/include/asm/kmap_types.h
@@ -16,28 +16,42 @@
 #define _ASM_TILE_KMAP_TYPES_H
 
 /*
- * In TILE Linux each set of four of these uses another 16MB chunk of
- * address space, given 64 tiles and 64KB pages, so we only enable
- * ones that are required by the kernel configuration.
+ * In 32-bit TILE Linux we have to balance the desire to have a lot of
+ * nested atomic mappings with the fact that large page sizes and many
+ * processors chew up address space quickly.  In a typical
+ * 64-processor, 64KB-page layout build, making KM_TYPE_NR one larger
+ * adds 4MB of required address-space.  For now we leave KM_TYPE_NR
+ * set to depth 8.
  */
 enum km_type {
+        KM_TYPE_NR = 8
+};
+
+/*
+ * We provide dummy definitions of all the stray values that used to be
+ * required for kmap_atomic() and no longer are.
+ */
+enum {
         KM_BOUNCE_READ,
         KM_SKB_SUNRPC_DATA,
         KM_SKB_DATA_SOFTIRQ,
         KM_USER0,
         KM_USER1,
         KM_BIO_SRC_IRQ,
+        KM_BIO_DST_IRQ,
+        KM_PTE0,
+        KM_PTE1,
         KM_IRQ0,
         KM_IRQ1,
         KM_SOFTIRQ0,
         KM_SOFTIRQ1,
-        KM_MEMCPY0,
-        KM_MEMCPY1,
-#if defined(CONFIG_HIGHPTE)
-        KM_PTE0,
-        KM_PTE1,
-#endif
-        KM_TYPE_NR
+        KM_SYNC_ICACHE,
+        KM_SYNC_DCACHE,
+        KM_UML_USERCOPY,
+        KM_IRQ_PTE,
+        KM_NMI,
+        KM_NMI_PTE,
+        KM_KDB
 };
 
 #endif /* _ASM_TILE_KMAP_TYPES_H */
diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h
index dc4ccdd855bc..a6604e9485da 100644
--- a/arch/tile/include/asm/pgtable.h
+++ b/arch/tile/include/asm/pgtable.h
@@ -344,10 +344,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 #define pgd_offset_k(address) pgd_offset(&init_mm, address)
 
 #if defined(CONFIG_HIGHPTE)
-extern pte_t *_pte_offset_map(pmd_t *, unsigned long address, enum km_type);
-#define pte_offset_map(dir, address) \
-        _pte_offset_map(dir, address, KM_PTE0)
-#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
+extern pte_t *pte_offset_map(pmd_t *, unsigned long address);
+#define pte_unmap(pte) kunmap_atomic(pte)
 #else
 #define pte_offset_map(dir, address) pte_offset_kernel(dir, address)
 #define pte_unmap(pte) do { } while (0)
diff --git a/arch/tile/include/asm/stat.h b/arch/tile/include/asm/stat.h
index 3dc90fa92c70..b16e5db8f0e7 100644
--- a/arch/tile/include/asm/stat.h
+++ b/arch/tile/include/asm/stat.h
@@ -1 +1,4 @@
+#ifdef CONFIG_COMPAT
+#define __ARCH_WANT_STAT64      /* Used for compat_sys_stat64() etc. */
+#endif
 #include <asm-generic/stat.h>
diff --git a/arch/tile/include/asm/unistd.h b/arch/tile/include/asm/unistd.h
index f2e3ff485333..b35c2db71199 100644
--- a/arch/tile/include/asm/unistd.h
+++ b/arch/tile/include/asm/unistd.h
@@ -41,6 +41,7 @@ __SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr)
 #ifdef CONFIG_COMPAT
 #define __ARCH_WANT_SYS_LLSEEK
 #endif
+#define __ARCH_WANT_SYS_NEWFSTATAT
 #endif
 
 #endif /* _ASM_TILE_UNISTD_H */
diff --git a/arch/tile/kernel/compat.c b/arch/tile/kernel/compat.c
index 77739cdd9462..67617a05e602 100644
--- a/arch/tile/kernel/compat.c
+++ b/arch/tile/kernel/compat.c
@@ -148,11 +148,11 @@ long tile_compat_sys_msgrcv(int msqid,
 #define compat_sys_readahead sys32_readahead
 #define compat_sys_sync_file_range compat_sys_sync_file_range2
 
-/* The native 64-bit "struct stat" matches the 32-bit "struct stat64". */
-#define compat_sys_stat64 sys_newstat
-#define compat_sys_lstat64 sys_newlstat
-#define compat_sys_fstat64 sys_newfstat
-#define compat_sys_fstatat64 sys_newfstatat
+/* We leverage the "struct stat64" type for 32-bit time_t/nsec. */
+#define compat_sys_stat64 sys_stat64
+#define compat_sys_lstat64 sys_lstat64
+#define compat_sys_fstat64 sys_fstat64
+#define compat_sys_fstatat64 sys_fstatat64
 
 /* The native sys_ptrace dynamically handles compat binaries. */
 #define compat_sys_ptrace sys_ptrace
diff --git a/arch/tile/kernel/early_printk.c b/arch/tile/kernel/early_printk.c
index 2c54fd43a8a0..493a0e66d916 100644
--- a/arch/tile/kernel/early_printk.c
+++ b/arch/tile/kernel/early_printk.c
@@ -54,7 +54,7 @@ void early_printk(const char *fmt, ...)
 void early_panic(const char *fmt, ...)
 {
         va_list ap;
-        raw_local_irq_disable_all();
+        arch_local_irq_disable_all();
         va_start(ap, fmt);
         early_printk("Kernel panic - not syncing: ");
         early_vprintk(fmt, ap);
diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c
index 1e54a7843410..e910530436e6 100644
--- a/arch/tile/kernel/hardwall.c
+++ b/arch/tile/kernel/hardwall.c
@@ -151,12 +151,12 @@ enum direction_protect {
 
 static void enable_firewall_interrupts(void)
 {
-        raw_local_irq_unmask_now(INT_UDN_FIREWALL);
+        arch_local_irq_unmask_now(INT_UDN_FIREWALL);
 }
 
 static void disable_firewall_interrupts(void)
 {
-        raw_local_irq_mask_now(INT_UDN_FIREWALL);
+        arch_local_irq_mask_now(INT_UDN_FIREWALL);
 }
 
 /* Set up hardwall on this cpu based on the passed hardwall_info. */
@@ -768,13 +768,13 @@ static int hardwall_release(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations dev_hardwall_fops = {
+        .open           = nonseekable_open,
         .unlocked_ioctl = hardwall_ioctl,
 #ifdef CONFIG_COMPAT
         .compat_ioctl   = hardwall_compat_ioctl,
 #endif
         .flush          = hardwall_flush,
         .release        = hardwall_release,
-        .llseek         = noop_llseek,
 };
 
 static struct cdev hardwall_dev;
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c
index e63917687e99..128805ef8f2c 100644
--- a/arch/tile/kernel/irq.c
+++ b/arch/tile/kernel/irq.c
@@ -26,7 +26,7 @@
 #define IS_HW_CLEARED 1
 
 /*
- * The set of interrupts we enable for raw_local_irq_enable().
+ * The set of interrupts we enable for arch_local_irq_enable().
  * This is initialized to have just a single interrupt that the kernel
  * doesn't actually use as a sentinel.  During kernel init,
  * interrupts are added as the kernel gets prepared to support them.
@@ -225,7 +225,7 @@ void __cpuinit setup_irq_regs(void)
         /* Enable interrupt delivery. */
         unmask_irqs(~0UL);
 #if CHIP_HAS_IPI()
-        raw_local_irq_unmask(INT_IPI_K);
+        arch_local_irq_unmask(INT_IPI_K);
 #endif
 }
 
diff --git a/arch/tile/kernel/machine_kexec.c b/arch/tile/kernel/machine_kexec.c
index ba7a265d6179..0d8b9e933487 100644
--- a/arch/tile/kernel/machine_kexec.c
+++ b/arch/tile/kernel/machine_kexec.c
@@ -182,13 +182,13 @@ static void kexec_find_and_set_command_line(struct kimage *image)
 
                 if ((entry & IND_SOURCE)) {
                         void *va =
-                                kmap_atomic_pfn(entry >> PAGE_SHIFT, KM_USER0);
+                                kmap_atomic_pfn(entry >> PAGE_SHIFT);
                         r = kexec_bn2cl(va);
                         if (r) {
                                 command_line = r;
                                 break;
                         }
-                        kunmap_atomic(va, KM_USER0);
+                        kunmap_atomic(va);
                 }
         }
 
@@ -198,7 +198,7 @@ static void kexec_find_and_set_command_line(struct kimage *image)
 
                 hverr = hv_set_command_line(
                         (HV_VirtAddr) command_line, strlen(command_line));
-                kunmap_atomic(command_line, KM_USER0);
+                kunmap_atomic(command_line);
         } else {
                 pr_info("%s: no command line found; making empty\n",
                        __func__);
diff --git a/arch/tile/kernel/messaging.c b/arch/tile/kernel/messaging.c
index 997e3933f726..0858ee6b520f 100644
--- a/arch/tile/kernel/messaging.c
+++ b/arch/tile/kernel/messaging.c
@@ -34,7 +34,7 @@ void __cpuinit init_messaging(void)
                 panic("hv_register_message_state: error %d", rc);
 
         /* Make sure downcall interrupts will be enabled. */
-        raw_local_irq_unmask(INT_INTCTRL_K);
+        arch_local_irq_unmask(INT_INTCTRL_K);
 }
 
 void hv_message_intr(struct pt_regs *regs, int intnum)
diff --git a/arch/tile/kernel/ptrace.c b/arch/tile/kernel/ptrace.c
index 9cd29884c09f..e92e40527d6d 100644
--- a/arch/tile/kernel/ptrace.c
+++ b/arch/tile/kernel/ptrace.c
@@ -50,10 +50,10 @@ long arch_ptrace(struct task_struct *child, long request,
 {
         unsigned long __user *datap = (long __user __force *)data;
         unsigned long tmp;
-        int i;
         long ret = -EIO;
-        unsigned long *childregs;
         char *childreg;
+        struct pt_regs copyregs;
+        int ex1_offset;
 
         switch (request) {
 
@@ -80,6 +80,16 @@ long arch_ptrace(struct task_struct *child, long request,
                 if (addr >= PTREGS_SIZE)
                         break;
                 childreg = (char *)task_pt_regs(child) + addr;
+
+                /* Guard against overwrites of the privilege level. */
+                ex1_offset = PTREGS_OFFSET_EX1;
+#if defined(CONFIG_COMPAT) && defined(__BIG_ENDIAN)
+                if (is_compat_task())   /* point at low word */
+                        ex1_offset += sizeof(compat_long_t);
+#endif
+                if (addr == ex1_offset)
+                        data = PL_ICS_EX1(USER_PL, EX1_ICS(data));
+
 #ifdef CONFIG_COMPAT
                 if (is_compat_task()) {
                         if (addr & (sizeof(compat_long_t)-1))
@@ -96,26 +106,19 @@ long arch_ptrace(struct task_struct *child, long request,
                 break;
 
         case PTRACE_GETREGS:  /* Get all registers from the child. */
-                if (!access_ok(VERIFY_WRITE, datap, PTREGS_SIZE))
-                        break;
-                childregs = (long *)task_pt_regs(child);
-                for (i = 0; i < sizeof(struct pt_regs)/sizeof(unsigned long);
-                                ++i) {
-                        ret = __put_user(childregs[i], &datap[i]);
-                        if (ret != 0)
-                                break;
+                if (copy_to_user(datap, task_pt_regs(child),
+                                 sizeof(struct pt_regs)) == 0) {
+                        ret = 0;
                 }
                 break;
 
         case PTRACE_SETREGS:  /* Set all registers in the child. */
-                if (!access_ok(VERIFY_READ, datap, PTREGS_SIZE))
-                        break;
-                childregs = (long *)task_pt_regs(child);
-                for (i = 0; i < sizeof(struct pt_regs)/sizeof(unsigned long);
-                                ++i) {
-                        ret = __get_user(childregs[i], &datap[i]);
-                        if (ret != 0)
-                                break;
+                if (copy_from_user(&copyregs, datap,
+                                   sizeof(struct pt_regs)) == 0) {
+                        copyregs.ex1 =
+                                PL_ICS_EX1(USER_PL, EX1_ICS(copyregs.ex1));
+                        *task_pt_regs(child) = copyregs;
+                        ret = 0;
                 }
                 break;
 
diff --git a/arch/tile/kernel/reboot.c b/arch/tile/kernel/reboot.c
index acd86d20beba..baa3d905fee2 100644
--- a/arch/tile/kernel/reboot.c
+++ b/arch/tile/kernel/reboot.c
@@ -27,7 +27,7 @@
 void machine_halt(void)
 {
         warn_early_printk();
-        raw_local_irq_disable_all();
+        arch_local_irq_disable_all();
         smp_send_stop();
         hv_halt();
 }
@@ -35,14 +35,14 @@ void machine_halt(void)
 void machine_power_off(void)
 {
         warn_early_printk();
-        raw_local_irq_disable_all();
+        arch_local_irq_disable_all();
         smp_send_stop();
         hv_power_off();
 }
 
 void machine_restart(char *cmd)
 {
-        raw_local_irq_disable_all();
+        arch_local_irq_disable_all();
         smp_send_stop();
         hv_restart((HV_VirtAddr) "vmlinux", (HV_VirtAddr) cmd);
 }
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index ae51cad12da0..fb0b3cbeae14 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -868,14 +868,14 @@ void __cpuinit setup_cpu(int boot)
 
         /* Allow asynchronous TLB interrupts. */
 #if CHIP_HAS_TILE_DMA()
-        raw_local_irq_unmask(INT_DMATLB_MISS);
-        raw_local_irq_unmask(INT_DMATLB_ACCESS);
+        arch_local_irq_unmask(INT_DMATLB_MISS);
+        arch_local_irq_unmask(INT_DMATLB_ACCESS);
 #endif
 #if CHIP_HAS_SN_PROC()
-        raw_local_irq_unmask(INT_SNITLB_MISS);
+        arch_local_irq_unmask(INT_SNITLB_MISS);
 #endif
 #ifdef __tilegx__
-        raw_local_irq_unmask(INT_SINGLE_STEP_K);
+        arch_local_irq_unmask(INT_SINGLE_STEP_K);
 #endif
 
         /*
diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c
index fb28e85ae3ae..687719d4abd1 100644
--- a/arch/tile/kernel/signal.c
+++ b/arch/tile/kernel/signal.c
@@ -71,6 +71,9 @@ int restore_sigcontext(struct pt_regs *regs,
         for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i)
                 err |= __get_user(regs->regs[i], &sc->gregs[i]);
 
+        /* Ensure that the PL is always set to USER_PL. */
+        regs->ex1 = PL_ICS_EX1(USER_PL, EX1_ICS(regs->ex1));
+
         regs->faultnum = INT_SWINT_1_SIGRETURN;
 
         err |= __get_user(*pr0, &sc->gregs[0]);
@@ -330,7 +333,7 @@ void do_signal(struct pt_regs *regs)
                         current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                 }
 
-                return;
+                goto done;
         }
 
         /* Did we come from a system call? */
@@ -358,4 +361,8 @@ void do_signal(struct pt_regs *regs)
                 current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
                 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
         }
+
+done:
+        /* Avoid double syscall restart if there are nested signals. */
+        regs->faultnum = INT_SWINT_1_SIGRETURN;
 }
diff --git a/arch/tile/kernel/smp.c b/arch/tile/kernel/smp.c
index 75255d90aff3..9575b37a8b75 100644
--- a/arch/tile/kernel/smp.c
+++ b/arch/tile/kernel/smp.c
@@ -115,7 +115,7 @@ static void smp_start_cpu_interrupt(void)
 static void smp_stop_cpu_interrupt(void)
 {
         set_cpu_online(smp_processor_id(), 0);
-        raw_local_irq_disable_all();
+        arch_local_irq_disable_all();
         for (;;)
                 asm("nap");
 }
diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c
index 6bed820e1421..f2e156e44692 100644
--- a/arch/tile/kernel/time.c
+++ b/arch/tile/kernel/time.c
@@ -132,7 +132,7 @@ static int tile_timer_set_next_event(unsigned long ticks,
 {
         BUG_ON(ticks > MAX_TICK);
         __insn_mtspr(SPR_TILE_TIMER_CONTROL, ticks);
-        raw_local_irq_unmask_now(INT_TILE_TIMER);
+        arch_local_irq_unmask_now(INT_TILE_TIMER);
         return 0;
 }
 
@@ -143,7 +143,7 @@ static int tile_timer_set_next_event(unsigned long ticks,
 static void tile_timer_set_mode(enum clock_event_mode mode,
                                 struct clock_event_device *evt)
 {
-        raw_local_irq_mask_now(INT_TILE_TIMER);
+        arch_local_irq_mask_now(INT_TILE_TIMER);
 }
 
 /*
@@ -172,7 +172,7 @@ void __cpuinit setup_tile_timer(void)
         evt->cpumask = cpumask_of(smp_processor_id());
 
         /* Start out with timer not firing. */
-        raw_local_irq_mask_now(INT_TILE_TIMER);
+        arch_local_irq_mask_now(INT_TILE_TIMER);
 
         /* Register tile timer. */
         clockevents_register_device(evt);
@@ -188,7 +188,7 @@ void do_timer_interrupt(struct pt_regs *regs, int fault_num)
          * Mask the timer interrupt here, since we are a oneshot timer
          * and there are now by definition no events pending.
          */
-        raw_local_irq_mask(INT_TILE_TIMER);
+        arch_local_irq_mask(INT_TILE_TIMER);
 
         /* Track time spent here in an interrupt context */
         irq_enter();
diff --git a/arch/tile/lib/memcpy_tile64.c b/arch/tile/lib/memcpy_tile64.c
index dfedea7b266b..f7d4a6ad61e8 100644
--- a/arch/tile/lib/memcpy_tile64.c
+++ b/arch/tile/lib/memcpy_tile64.c
@@ -54,7 +54,7 @@ typedef unsigned long (*memcpy_t)(void *, const void *, unsigned long);
  * we must run with interrupts disabled to avoid the risk of some
  * other code seeing the incoherent data in our cache.  (Recall that
  * our cache is indexed by PA, so even if the other code doesn't use
- * our KM_MEMCPY virtual addresses, they'll still hit in cache using
+ * our kmap_atomic virtual addresses, they'll still hit in cache using
  * the normal VAs that aren't supposed to hit in cache.)
  */
 static void memcpy_multicache(void *dest, const void *source,
@@ -64,6 +64,7 @@ static void memcpy_multicache(void *dest, const void *source,
         unsigned long flags, newsrc, newdst;
         pmd_t *pmdp;
         pte_t *ptep;
+        int type0, type1;
         int cpu = get_cpu();
 
         /*
@@ -77,7 +78,8 @@ static void memcpy_multicache(void *dest, const void *source,
         sim_allow_multiple_caching(1);
 
         /* Set up the new dest mapping */
-        idx = FIX_KMAP_BEGIN + (KM_TYPE_NR * cpu) + KM_MEMCPY0;
+        type0 = kmap_atomic_idx_push();
+        idx = FIX_KMAP_BEGIN + (KM_TYPE_NR * cpu) + type0;
         newdst = __fix_to_virt(idx) + ((unsigned long)dest & (PAGE_SIZE-1));
         pmdp = pmd_offset(pud_offset(pgd_offset_k(newdst), newdst), newdst);
         ptep = pte_offset_kernel(pmdp, newdst);
@@ -87,7 +89,8 @@ static void memcpy_multicache(void *dest, const void *source,
         }
 
         /* Set up the new source mapping */
-        idx += (KM_MEMCPY0 - KM_MEMCPY1);
+        type1 = kmap_atomic_idx_push();
+        idx += (type0 - type1);
         src_pte = hv_pte_set_nc(src_pte);
         src_pte = hv_pte_clear_writable(src_pte);  /* be paranoid */
         newsrc = __fix_to_virt(idx) + ((unsigned long)source & (PAGE_SIZE-1));
@@ -119,6 +122,8 @@ static void memcpy_multicache(void *dest, const void *source,
          * We're done: notify the simulator that all is back to normal,
          * and re-enable interrupts and pre-emption.
          */
+        kmap_atomic_idx_pop();
+        kmap_atomic_idx_pop();
         sim_allow_multiple_caching(0);
         local_irq_restore(flags);
         put_cpu();
diff --git a/arch/tile/mm/highmem.c b/arch/tile/mm/highmem.c
index abb57331cf6e..31dbbd9afe47 100644
--- a/arch/tile/mm/highmem.c
+++ b/arch/tile/mm/highmem.c
@@ -227,7 +227,7 @@ EXPORT_SYMBOL(kmap_atomic_prot);
 void *__kmap_atomic(struct page *page)
 {
         /* PAGE_NONE is a magic value that tells us to check immutability. */
-        return kmap_atomic_prot(page, type, PAGE_NONE);
+        return kmap_atomic_prot(page, PAGE_NONE);
 }
 EXPORT_SYMBOL(__kmap_atomic);
 
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 78e1982cb6c9..0b9ce69b0ee5 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -988,8 +988,12 @@ static long __write_once initfree = 1;
 /* Select whether to free (1) or mark unusable (0) the __init pages. */
 static int __init set_initfree(char *str)
 {
-        strict_strtol(str, 0, &initfree);
-        pr_info("initfree: %s free init pages\n", initfree ? "will" : "won't");
+        long val;
+        if (strict_strtol(str, 0, &val)) {
+                initfree = val;
+                pr_info("initfree: %s free init pages\n",
+                        initfree ? "will" : "won't");
+        }
         return 1;
 }
 __setup("initfree=", set_initfree);
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c
index 335c24621c41..1f5430c53d0d 100644
--- a/arch/tile/mm/pgtable.c
+++ b/arch/tile/mm/pgtable.c
@@ -134,9 +134,9 @@ void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
 }
 
 #if defined(CONFIG_HIGHPTE)
-pte_t *_pte_offset_map(pmd_t *dir, unsigned long address, enum km_type type)
+pte_t *_pte_offset_map(pmd_t *dir, unsigned long address)
 {
-        pte_t *pte = kmap_atomic(pmd_page(*dir), type) +
+        pte_t *pte = kmap_atomic(pmd_page(*dir)) +
                 (pmd_ptfn(*dir) << HV_LOG2_PAGE_TABLE_ALIGN) & ~PAGE_MASK;
         return &pte[pte_index(address)];
 }
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index 2cd899f75a3c..b7c5bab9bd77 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -38,8 +38,8 @@ struct pt_regs {
 
 struct task_struct;
 
-extern long subarch_ptrace(struct task_struct *child, long request, long addr,
-                           long data);
+extern long subarch_ptrace(struct task_struct *child, long request,
+        unsigned long addr, unsigned long data);
 extern unsigned long getreg(struct task_struct *child, int regno);
 extern int putreg(struct task_struct *child, int regno, unsigned long value);
 extern int get_fpregs(struct user_i387_struct __user *buf,
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index a5e33f29bbeb..701b672c1122 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -122,7 +122,7 @@ long arch_ptrace(struct task_struct *child, long request,
                 break;
 
         case PTRACE_SET_THREAD_AREA:
-                ret = ptrace_set_thread_area(child, addr, datavp);
+                ret = ptrace_set_thread_area(child, addr, vp);
                 break;
 
         case PTRACE_FAULTINFO: {
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 286de34b0ed6..f6ce0bda3b98 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -141,13 +141,13 @@ static inline void native_apic_msr_write(u32 reg, u32 v)
 
 static inline u32 native_apic_msr_read(u32 reg)
 {
-        u32 low, high;
+        u64 msr;
 
         if (reg == APIC_DFR)
                 return -1;
 
-        rdmsr(APIC_BASE_MSR + (reg >> 4), low, high);
-        return low;
+        rdmsrl(APIC_BASE_MSR + (reg >> 4), msr);
+        return (u32)msr;
 }
 
 static inline void native_x2apic_wait_icr_idle(void)
@@ -181,12 +181,12 @@ extern void enable_x2apic(void);
 extern void x2apic_icr_write(u32 low, u32 id);
 static inline int x2apic_enabled(void)
 {
-        int msr, msr2;
+        u64 msr;
 
         if (!cpu_has_x2apic)
                 return 0;
 
-        rdmsr(MSR_IA32_APICBASE, msr, msr2);
+        rdmsrl(MSR_IA32_APICBASE, msr);
         if (msr & X2APIC_ENABLE)
                 return 1;
         return 0;
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index b2f2d2e05cec..6d90adf4428a 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -806,6 +806,78 @@ union uvh_node_present_table_u {
 };
 
 /* ========================================================================= */
+/*                 UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR                  */
+/* ========================================================================= */
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR 0x16000c8UL
+
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_BASE_SHFT 24
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_BASE_MASK 0x00000000ff000000UL
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_M_ALIAS_SHFT 48
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_M_ALIAS_MASK 0x001f000000000000UL
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_ENABLE_SHFT 63
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR_ENABLE_MASK 0x8000000000000000UL
+
+union uvh_rh_gam_alias210_overlay_config_0_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_alias210_overlay_config_0_mmr_s {
+        unsigned long   rsvd_0_23: 24;  /*    */
+        unsigned long   base    :  8;  /* RW */
+        unsigned long   rsvd_32_47: 16;  /*    */
+        unsigned long   m_alias :  5;  /* RW */
+        unsigned long   rsvd_53_62: 10;  /*    */
+        unsigned long   enable  :  1;  /* RW */
+    } s;
+};
+
+/* ========================================================================= */
+/*                 UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR                  */
+/* ========================================================================= */
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR 0x16000d8UL
+
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_BASE_SHFT 24
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_BASE_MASK 0x00000000ff000000UL
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_M_ALIAS_SHFT 48
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_M_ALIAS_MASK 0x001f000000000000UL
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_ENABLE_SHFT 63
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR_ENABLE_MASK 0x8000000000000000UL
+
+union uvh_rh_gam_alias210_overlay_config_1_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_alias210_overlay_config_1_mmr_s {
+        unsigned long   rsvd_0_23: 24;  /*    */
+        unsigned long   base    :  8;  /* RW */
+        unsigned long   rsvd_32_47: 16;  /*    */
+        unsigned long   m_alias :  5;  /* RW */
+        unsigned long   rsvd_53_62: 10;  /*    */
+        unsigned long   enable  :  1;  /* RW */
+    } s;
+};
+
+/* ========================================================================= */
+/*                 UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR                  */
+/* ========================================================================= */
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR 0x16000e8UL
+
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_BASE_SHFT 24
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_BASE_MASK 0x00000000ff000000UL
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_M_ALIAS_SHFT 48
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_M_ALIAS_MASK 0x001f000000000000UL
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_ENABLE_SHFT 63
+#define UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR_ENABLE_MASK 0x8000000000000000UL
+
+union uvh_rh_gam_alias210_overlay_config_2_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_alias210_overlay_config_2_mmr_s {
+        unsigned long   rsvd_0_23: 24;  /*    */
+        unsigned long   base    :  8;  /* RW */
+        unsigned long   rsvd_32_47: 16;  /*    */
+        unsigned long   m_alias :  5;  /* RW */
+        unsigned long   rsvd_53_62: 10;  /*    */
+        unsigned long   enable  :  1;  /* RW */
+    } s;
+};
+
+/* ========================================================================= */
 /*                UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR                  */
 /* ========================================================================= */
 #define UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR 0x16000d0UL
@@ -857,6 +929,29 @@ union uvh_rh_gam_alias210_redirect_config_2_mmr_u {
 };
 
 /* ========================================================================= */
+/*                          UVH_RH_GAM_CONFIG_MMR                            */
+/* ========================================================================= */
+#define UVH_RH_GAM_CONFIG_MMR 0x1600000UL
+
+#define UVH_RH_GAM_CONFIG_MMR_M_SKT_SHFT 0
+#define UVH_RH_GAM_CONFIG_MMR_M_SKT_MASK 0x000000000000003fUL
+#define UVH_RH_GAM_CONFIG_MMR_N_SKT_SHFT 6
+#define UVH_RH_GAM_CONFIG_MMR_N_SKT_MASK 0x00000000000003c0UL
+#define UVH_RH_GAM_CONFIG_MMR_MMIOL_CFG_SHFT 12
+#define UVH_RH_GAM_CONFIG_MMR_MMIOL_CFG_MASK 0x0000000000001000UL
+
+union uvh_rh_gam_config_mmr_u {
+    unsigned long       v;
+    struct uvh_rh_gam_config_mmr_s {
+        unsigned long   m_skt     :  6;  /* RW */
+        unsigned long   n_skt     :  4;  /* RW */
+        unsigned long   rsvd_10_11:  2;  /*    */
+        unsigned long   mmiol_cfg :  1;  /* RW */
+        unsigned long   rsvd_13_63: 51;  /*    */
+    } s;
+};
+
+/* ========================================================================= */
 /*                    UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR                      */
 /* ========================================================================= */
 #define UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR 0x1600010UL
@@ -987,97 +1082,5 @@ union uvh_rtc1_int_config_u {
     } s;
 };
 
-/* ========================================================================= */
-/*                          UVH_SI_ADDR_MAP_CONFIG                           */
-/* ========================================================================= */
-#define UVH_SI_ADDR_MAP_CONFIG 0xc80000UL
-
-#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_SHFT 0
-#define UVH_SI_ADDR_MAP_CONFIG_M_SKT_MASK 0x000000000000003fUL
-#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_SHFT 8
-#define UVH_SI_ADDR_MAP_CONFIG_N_SKT_MASK 0x0000000000000f00UL
-
-union uvh_si_addr_map_config_u {
-    unsigned long       v;
-    struct uvh_si_addr_map_config_s {
-        unsigned long   m_skt :  6;  /* RW */
-        unsigned long   rsvd_6_7:  2;  /*    */
-        unsigned long   n_skt :  4;  /* RW */
-        unsigned long   rsvd_12_63: 52;  /*    */
-    } s;
-};
-
-/* ========================================================================= */
-/*                       UVH_SI_ALIAS0_OVERLAY_CONFIG                        */
-/* ========================================================================= */
-#define UVH_SI_ALIAS0_OVERLAY_CONFIG 0xc80008UL
-
-#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_SHFT 24
-#define UVH_SI_ALIAS0_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL
-#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_SHFT 48
-#define UVH_SI_ALIAS0_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL
-#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_SHFT 63
-#define UVH_SI_ALIAS0_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL
-
-union uvh_si_alias0_overlay_config_u {
-    unsigned long       v;
-    struct uvh_si_alias0_overlay_config_s {
-        unsigned long   rsvd_0_23: 24;  /*    */
-        unsigned long   base    :  8;  /* RW */
-        unsigned long   rsvd_32_47: 16;  /*    */
-        unsigned long   m_alias :  5;  /* RW */
-        unsigned long   rsvd_53_62: 10;  /*    */
-        unsigned long   enable  :  1;  /* RW */
-    } s;
-};
-
-/* ========================================================================= */
-/*                       UVH_SI_ALIAS1_OVERLAY_CONFIG                        */
-/* ========================================================================= */
-#define UVH_SI_ALIAS1_OVERLAY_CONFIG 0xc80010UL
-
-#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_SHFT 24
-#define UVH_SI_ALIAS1_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL
-#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_SHFT 48
-#define UVH_SI_ALIAS1_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL
-#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_SHFT 63
-#define UVH_SI_ALIAS1_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL
-
-union uvh_si_alias1_overlay_config_u {
-    unsigned long       v;
-    struct uvh_si_alias1_overlay_config_s {
-        unsigned long   rsvd_0_23: 24;  /*    */
-        unsigned long   base    :  8;  /* RW */
-        unsigned long   rsvd_32_47: 16;  /*    */
-        unsigned long   m_alias :  5;  /* RW */
-        unsigned long   rsvd_53_62: 10;  /*    */
-        unsigned long   enable  :  1;  /* RW */
-    } s;
-};
-
-/* ========================================================================= */
-/*                       UVH_SI_ALIAS2_OVERLAY_CONFIG                        */
-/* ========================================================================= */
-#define UVH_SI_ALIAS2_OVERLAY_CONFIG 0xc80018UL
-
-#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_SHFT 24
-#define UVH_SI_ALIAS2_OVERLAY_CONFIG_BASE_MASK 0x00000000ff000000UL
-#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_SHFT 48
-#define UVH_SI_ALIAS2_OVERLAY_CONFIG_M_ALIAS_MASK 0x001f000000000000UL
-#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_SHFT 63
-#define UVH_SI_ALIAS2_OVERLAY_CONFIG_ENABLE_MASK 0x8000000000000000UL
-
-union uvh_si_alias2_overlay_config_u {
-    unsigned long       v;
-    struct uvh_si_alias2_overlay_config_s {
-        unsigned long   rsvd_0_23: 24;  /*    */
-        unsigned long   base    :  8;  /* RW */
-        unsigned long   rsvd_32_47: 16;  /*    */
-        unsigned long   m_alias :  5;  /* RW */
-        unsigned long   rsvd_53_62: 10;  /*    */
-        unsigned long   enable  :  1;  /* RW */
-    } s;
-};
-
 
-#endif /* _ASM_X86_UV_UV_MMRS_H */
+#endif /* __ASM_UV_MMRS_X86_H__ */
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 850657d1b0ed..3f838d537392 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -52,7 +52,6 @@
 #include <asm/mce.h>
 #include <asm/kvm_para.h>
 #include <asm/tsc.h>
-#include <asm/atomic.h>
 
 unsigned int num_processors;
 
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index ed4118de249e..194539aea175 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -379,14 +379,14 @@ struct redir_addr {
 #define DEST_SHIFT UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR_DEST_BASE_SHFT
 
 static __initdata struct redir_addr redir_addrs[] = {
-        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_SI_ALIAS0_OVERLAY_CONFIG},
-        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_SI_ALIAS1_OVERLAY_CONFIG},
-        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_SI_ALIAS2_OVERLAY_CONFIG},
+        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_0_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_0_MMR},
+        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_1_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_1_MMR},
+        {UVH_RH_GAM_ALIAS210_REDIRECT_CONFIG_2_MMR, UVH_RH_GAM_ALIAS210_OVERLAY_CONFIG_2_MMR},
 };
 
 static __init void get_lowmem_redirect(unsigned long *base, unsigned long *size)
 {
-        union uvh_si_alias0_overlay_config_u alias;
+        union uvh_rh_gam_alias210_overlay_config_2_mmr_u alias;
         union uvh_rh_gam_alias210_redirect_config_2_mmr_u redirect;
         int i;
 
@@ -660,7 +660,7 @@ void uv_nmi_init(void)
 
 void __init uv_system_init(void)
 {
-        union uvh_si_addr_map_config_u m_n_config;
+        union uvh_rh_gam_config_mmr_u  m_n_config;
         union uvh_node_id_u node_id;
         unsigned long gnode_upper, lowmem_redir_base, lowmem_redir_size;
         int bytes, nid, cpu, lcpu, pnode, blade, i, j, m_val, n_val;
@@ -670,7 +670,7 @@ void __init uv_system_init(void)
 
         map_low_mmrs();
 
-        m_n_config.v = uv_read_local_mmr(UVH_SI_ADDR_MAP_CONFIG);
+        m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR );
         m_val = m_n_config.s.m_skt;
         n_val = m_n_config.s.n_skt;
         mmr_base =
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 46d58448c3af..e421b8cd6944 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -280,11 +280,11 @@ static struct amd_nb *amd_alloc_nb(int cpu, int nb_id)
         struct amd_nb *nb;
         int i;
 
-        nb = kmalloc(sizeof(struct amd_nb), GFP_KERNEL);
+        nb = kmalloc_node(sizeof(struct amd_nb), GFP_KERNEL | __GFP_ZERO,
+                          cpu_to_node(cpu));
         if (!nb)
                 return NULL;
 
-        memset(nb, 0, sizeof(*nb));
         nb->nb_id = nb_id;
 
         /*
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index e1af7c055c7d..ce0cb4721c9a 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -212,7 +212,7 @@ static int install_equiv_cpu_table(const u8 *buf)
                 return 0;
         }
 
-        equiv_cpu_table = (struct equiv_cpu_entry *) vmalloc(size);
+        equiv_cpu_table = vmalloc(size);
         if (!equiv_cpu_table) {
                 pr_err("failed to allocate equivalent CPU table\n");
                 return 0;
diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c
index 71825806cd44..6da143c2a6b8 100644
--- a/arch/x86/kernel/mmconf-fam10h_64.c
+++ b/arch/x86/kernel/mmconf-fam10h_64.c
@@ -217,13 +217,13 @@ void __cpuinit fam10h_check_enable_mmcfg(void)
         wrmsrl(address, val);
 }
 
-static int __devinit set_check_enable_amd_mmconf(const struct dmi_system_id *d)
+static int __init set_check_enable_amd_mmconf(const struct dmi_system_id *d)
 {
         pci_probe |= PCI_CHECK_ENABLE_AMD_MMCONF;
         return 0;
 }
 
-static const struct dmi_system_id __cpuinitconst mmconf_dmi_table[] = {
+static const struct dmi_system_id __initconst mmconf_dmi_table[] = {
         {
                 .callback = set_check_enable_amd_mmconf,
                 .ident = "Sun Microsystems Machine",
@@ -234,7 +234,8 @@ static const struct dmi_system_id __cpuinitconst mmconf_dmi_table[] = {
         {}
 };
 
-void __cpuinit check_enable_amd_mmconf_dmi(void)
+/* Called from a __cpuinit function, but only on the BSP. */
+void __ref check_enable_amd_mmconf_dmi(void)
 {
         dmi_check_system(mmconf_dmi_table);
 }
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c
index bab3b9e6f66d..008b91eefa18 100644
--- a/arch/x86/kernel/pvclock.c
+++ b/arch/x86/kernel/pvclock.c
@@ -41,44 +41,6 @@ void pvclock_set_flags(u8 flags)
         valid_flags = flags;
 }
 
-/*
- * Scale a 64-bit delta by scaling and multiplying by a 32-bit fraction,
- * yielding a 64-bit result.
- */
-static inline u64 scale_delta(u64 delta, u32 mul_frac, int shift)
-{
-        u64 product;
-#ifdef __i386__
-        u32 tmp1, tmp2;
-#endif
-
-        if (shift < 0)
-                delta >>= -shift;
-        else
-                delta <<= shift;
-
-#ifdef __i386__
-        __asm__ (
-                "mul  %5       ; "
-                "mov  %4,%%eax ; "
-                "mov  %%edx,%4 ; "
-                "mul  %5       ; "
-                "xor  %5,%5    ; "
-                "add  %4,%%eax ; "
-                "adc  %5,%%edx ; "
-                : "=A" (product), "=r" (tmp1), "=r" (tmp2)
-                : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) );
-#elif defined(__x86_64__)
-        __asm__ (
-                "mul %%rdx ; shrd $32,%%rdx,%%rax"
-                : "=a" (product) : "0" (delta), "d" ((u64)mul_frac) );
-#else
-#error implement me!
-#endif
-
-        return product;
-}
-
 static u64 pvclock_get_nsec_offset(struct pvclock_shadow_time *shadow)
 {
         u64 delta = native_read_tsc() - shadow->tsc_timestamp;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 908ea5464a51..fb8b376bf28c 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -720,7 +720,7 @@ static void rmap_remove(struct kvm *kvm, u64 *spte)
         }
 }
 
-static void set_spte_track_bits(u64 *sptep, u64 new_spte)
+static int set_spte_track_bits(u64 *sptep, u64 new_spte)
 {
         pfn_t pfn;
         u64 old_spte = *sptep;
@@ -731,19 +731,20 @@ static void set_spte_track_bits(u64 *sptep, u64 new_spte)
                 old_spte = __xchg_spte(sptep, new_spte);
 
         if (!is_rmap_spte(old_spte))
-                return;
+                return 0;
 
         pfn = spte_to_pfn(old_spte);
         if (!shadow_accessed_mask || old_spte & shadow_accessed_mask)
                 kvm_set_pfn_accessed(pfn);
         if (!shadow_dirty_mask || (old_spte & shadow_dirty_mask))
                 kvm_set_pfn_dirty(pfn);
+        return 1;
 }
 
 static void drop_spte(struct kvm *kvm, u64 *sptep, u64 new_spte)
 {
-        set_spte_track_bits(sptep, new_spte);
-        rmap_remove(kvm, sptep);
+        if (set_spte_track_bits(sptep, new_spte))
+                rmap_remove(kvm, sptep);
 }
 
 static u64 *rmap_next(struct kvm *kvm, unsigned long *rmapp, u64 *spte)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2288ad829b32..cdac9e592aa5 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2560,6 +2560,7 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
                 !kvm_exception_is_soft(vcpu->arch.exception.nr);
         events->exception.nr = vcpu->arch.exception.nr;
         events->exception.has_error_code = vcpu->arch.exception.has_error_code;
+        events->exception.pad = 0;
         events->exception.error_code = vcpu->arch.exception.error_code;
 
         events->interrupt.injected =
@@ -2573,12 +2574,14 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
         events->nmi.injected = vcpu->arch.nmi_injected;
         events->nmi.pending = vcpu->arch.nmi_pending;
         events->nmi.masked = kvm_x86_ops->get_nmi_mask(vcpu);
+        events->nmi.pad = 0;
 
         events->sipi_vector = vcpu->arch.sipi_vector;
 
         events->flags = (KVM_VCPUEVENT_VALID_NMI_PENDING
                          | KVM_VCPUEVENT_VALID_SIPI_VECTOR
                          | KVM_VCPUEVENT_VALID_SHADOW);
+        memset(&events->reserved, 0, sizeof(events->reserved));
 }
 
 static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu,
@@ -2623,6 +2626,7 @@ static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu,
         dbgregs->dr6 = vcpu->arch.dr6;
         dbgregs->dr7 = vcpu->arch.dr7;
         dbgregs->flags = 0;
+        memset(&dbgregs->reserved, 0, sizeof(dbgregs->reserved));
 }
 
 static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu,
@@ -3106,6 +3110,7 @@ static int kvm_vm_ioctl_get_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
                 sizeof(ps->channels));
         ps->flags = kvm->arch.vpit->pit_state.flags;
         mutex_unlock(&kvm->arch.vpit->pit_state.lock);
+        memset(&ps->reserved, 0, sizeof(ps->reserved));
         return r;
 }
 
@@ -3169,10 +3174,6 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
                 struct kvm_memslots *slots, *old_slots;
                 unsigned long *dirty_bitmap;
 
-                spin_lock(&kvm->mmu_lock);
-                kvm_mmu_slot_remove_write_access(kvm, log->slot);
-                spin_unlock(&kvm->mmu_lock);
-
                 r = -ENOMEM;
                 dirty_bitmap = vmalloc(n);
                 if (!dirty_bitmap)
@@ -3194,6 +3195,10 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
                 dirty_bitmap = old_slots->memslots[log->slot].dirty_bitmap;
                 kfree(old_slots);
 
+                spin_lock(&kvm->mmu_lock);
+                kvm_mmu_slot_remove_write_access(kvm, log->slot);
+                spin_unlock(&kvm->mmu_lock);
+
                 r = -EFAULT;
                 if (copy_to_user(log->dirty_bitmap, dirty_bitmap, n)) {
                         vfree(dirty_bitmap);
@@ -3486,6 +3491,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
                 user_ns.clock = kvm->arch.kvmclock_offset + now_ns;
                 local_irq_enable();
                 user_ns.flags = 0;
+                memset(&user_ns.pad, 0, sizeof(user_ns.pad));
 
                 r = -EFAULT;
                 if (copy_to_user(argp, &user_ns, sizeof(user_ns)))
@@ -3972,8 +3978,10 @@ int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu)
                 return X86EMUL_CONTINUE;
 
         if (kvm_x86_ops->has_wbinvd_exit()) {
+                preempt_disable();
                 smp_call_function_many(vcpu->arch.wbinvd_dirty_mask,
                                 wbinvd_ipi, NULL, 1);
+                preempt_enable();
                 cpumask_clear(vcpu->arch.wbinvd_dirty_mask);
         }
         wbinvd();
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 49358481c733..12cdbb17ad18 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -251,7 +251,7 @@ static void __cpuinit calculate_tlb_offset(void)
         }
 }
 
-static int tlb_cpuhp_notify(struct notifier_block *n,
+static int __cpuinit tlb_cpuhp_notify(struct notifier_block *n,
                 unsigned long action, void *hcpu)
 {
         switch (action & 0xf) {
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 20ea20a39e2a..a318194002b5 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1343,8 +1343,8 @@ uv_activation_descriptor_init(int node, int pnode)
          * each bau_desc is 64 bytes; there are 8 (UV_ITEMS_PER_DESCRIPTOR)
          * per cpu; and up to 32 (UV_ADP_SIZE) cpu's per uvhub
          */
-        bau_desc = (struct bau_desc *)kmalloc_node(sizeof(struct bau_desc)*
-                UV_ADP_SIZE*UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node);
+        bau_desc = kmalloc_node(sizeof(struct bau_desc) * UV_ADP_SIZE
+                                * UV_ITEMS_PER_DESCRIPTOR, GFP_KERNEL, node);
         BUG_ON(!bau_desc);
 
         pa = uv_gpa(bau_desc); /* need the real nasid*/
@@ -1402,9 +1402,9 @@ uv_payload_queue_init(int node, int pnode)
         struct bau_payload_queue_entry *pqp_malloc;
         struct bau_control *bcp;
 
-        pqp = (struct bau_payload_queue_entry *) kmalloc_node(
-                (DEST_Q_SIZE + 1) * sizeof(struct bau_payload_queue_entry),
-                GFP_KERNEL, node);
+        pqp = kmalloc_node((DEST_Q_SIZE + 1)
+                           * sizeof(struct bau_payload_queue_entry),
+                           GFP_KERNEL, node);
         BUG_ON(!pqp);
         pqp_malloc = pqp;
 
@@ -1520,8 +1520,7 @@ static void __init uv_init_per_cpu(int nuvhubs)
 
         timeout_us = calculate_destination_timeout();
 
-        uvhub_descs = (struct uvhub_desc *)
-                kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL);
+        uvhub_descs = kmalloc(nuvhubs * sizeof(struct uvhub_desc), GFP_KERNEL);
         memset(uvhub_descs, 0, nuvhubs * sizeof(struct uvhub_desc));
         uvhub_mask = kzalloc((nuvhubs+7)/8, GFP_KERNEL);
         for_each_present_cpu(cpu) {
diff --git a/block/blk-core.c b/block/blk-core.c
index f0834e2f5727..4ce953f1b390 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1194,13 +1194,6 @@ static int __make_request(struct request_queue *q, struct bio *bio)
         int where = ELEVATOR_INSERT_SORT;
         int rw_flags;
 
-        /* REQ_HARDBARRIER is no more */
-        if (WARN_ONCE(bio->bi_rw & REQ_HARDBARRIER,
-                "block: HARDBARRIER is deprecated, use FLUSH/FUA instead\n")) {
-                bio_endio(bio, -EOPNOTSUPP);
-                return 0;
-        }
-
         /*
          * low level driver can indicate that it wants pages above a
          * certain limit bounced to low memory (ie for highmem, or even
@@ -1351,7 +1344,7 @@ static void handle_bad_sector(struct bio *bio)
                         bdevname(bio->bi_bdev, b),
                         bio->bi_rw,
                         (unsigned long long)bio->bi_sector + bio_sectors(bio),
-                        (long long)(bio->bi_bdev->bd_inode->i_size >> 9));
+                        (long long)(i_size_read(bio->bi_bdev->bd_inode) >> 9));
 
         set_bit(BIO_EOF, &bio->bi_flags);
 }
@@ -1404,7 +1397,7 @@ static inline int bio_check_eod(struct bio *bio, unsigned int nr_sectors)
                 return 0;
 
         /* Test device or partition size, when known. */
-        maxsector = bio->bi_bdev->bd_inode->i_size >> 9;
+        maxsector = i_size_read(bio->bi_bdev->bd_inode) >> 9;
         if (maxsector) {
                 sector_t sector = bio->bi_sector;
 
diff --git a/block/blk-ioc.c b/block/blk-ioc.c
index d22c4c55c406..3c7a339fe381 100644
--- a/block/blk-ioc.c
+++ b/block/blk-ioc.c
@@ -153,20 +153,6 @@ struct io_context *get_io_context(gfp_t gfp_flags, int node)
 }
 EXPORT_SYMBOL(get_io_context);
 
-void copy_io_context(struct io_context **pdst, struct io_context **psrc)
-{
-        struct io_context *src = *psrc;
-        struct io_context *dst = *pdst;
-
-        if (src) {
-                BUG_ON(atomic_long_read(&src->refcount) == 0);
-                atomic_long_inc(&src->refcount);
-                put_io_context(dst);
-                *pdst = src;
-        }
-}
-EXPORT_SYMBOL(copy_io_context);
-
 static int __init blk_ioc_init(void)
 {
         iocontext_cachep = kmem_cache_create("blkdev_ioc",
diff --git a/block/blk-map.c b/block/blk-map.c
index d4a586d8691e..5d5dbe47c228 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -205,6 +205,8 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
                         unaligned = 1;
                         break;
                 }
+                if (!iov[i].iov_len)
+                        return -EINVAL;
         }
 
         if (unaligned || (q->dma_pad_mask & len) || map_data)
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index 119f07b74dc0..58c6ee5b010c 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -744,13 +744,13 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
                 bdi->ra_pages = (arg * 512) / PAGE_CACHE_SIZE;
                 return 0;
         case BLKGETSIZE:
-                size = bdev->bd_inode->i_size;
+                size = i_size_read(bdev->bd_inode);
                 if ((size >> 9) > ~0UL)
                         return -EFBIG;
                 return compat_put_ulong(arg, size >> 9);
 
         case BLKGETSIZE64_32:
-                return compat_put_u64(arg, bdev->bd_inode->i_size);
+                return compat_put_u64(arg, i_size_read(bdev->bd_inode));
 
         case BLKTRACESETUP32:
         case BLKTRACESTART: /* compatible */
diff --git a/block/elevator.c b/block/elevator.c
index 282e8308f7e2..2569512830d3 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -429,7 +429,7 @@ void elv_dispatch_sort(struct request_queue *q, struct request *rq)
         q->nr_sorted--;
 
         boundary = q->end_sector;
-        stop_flags = REQ_SOFTBARRIER | REQ_HARDBARRIER | REQ_STARTED;
+        stop_flags = REQ_SOFTBARRIER | REQ_STARTED;
         list_for_each_prev(entry, &q->queue_head) {
                 struct request *pos = list_entry_rq(entry);
 
@@ -691,7 +691,7 @@ void elv_insert(struct request_queue *q, struct request *rq, int where)
 void __elv_add_request(struct request_queue *q, struct request *rq, int where,
                        int plug)
 {
-        if (rq->cmd_flags & (REQ_SOFTBARRIER | REQ_HARDBARRIER)) {
+        if (rq->cmd_flags & REQ_SOFTBARRIER) {
                 /* barriers are scheduling boundary, update end_sector */
                 if (rq->cmd_type == REQ_TYPE_FS ||
                     (rq->cmd_flags & REQ_DISCARD)) {
diff --git a/block/ioctl.c b/block/ioctl.c
index d724ceb1d465..3d866d0037f2 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -125,7 +125,7 @@ static int blk_ioctl_discard(struct block_device *bdev, uint64_t start,
         start >>= 9;
         len >>= 9;
 
-        if (start + len > (bdev->bd_inode->i_size >> 9))
+        if (start + len > (i_size_read(bdev->bd_inode) >> 9))
                 return -EINVAL;
         if (secure)
                 flags |= BLKDEV_DISCARD_SECURE;
@@ -242,6 +242,7 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
                  * We need to set the startsect first, the driver may
                  * want to override it.
                  */
+                memset(&geo, 0, sizeof(geo));
                 geo.start = get_start_sect(bdev);
                 ret = disk->fops->getgeo(bdev, &geo);
                 if (ret)
@@ -307,12 +308,12 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd,
                 ret = blkdev_reread_part(bdev);
                 break;
         case BLKGETSIZE:
-                size = bdev->bd_inode->i_size;
+                size = i_size_read(bdev->bd_inode);
                 if ((size >> 9) > ~0UL)
                         return -EFBIG;
                 return put_ulong(arg, size >> 9);
         case BLKGETSIZE64:
-                return put_u64(arg, bdev->bd_inode->i_size);
+                return put_u64(arg, i_size_read(bdev->bd_inode));
         case BLKTRACESTART:
         case BLKTRACESTOP:
         case BLKTRACESETUP:
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index a8b5a10eb5b0..4f4230b79bb6 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -321,33 +321,47 @@ static int sg_io(struct request_queue *q, struct gendisk *bd_disk,
         if (hdr->iovec_count) {
                 const int size = sizeof(struct sg_iovec) * hdr->iovec_count;
                 size_t iov_data_len;
-                struct sg_iovec *iov;
+                struct sg_iovec *sg_iov;
+                struct iovec *iov;
+                int i;
 
-                iov = kmalloc(size, GFP_KERNEL);
-                if (!iov) {
+                sg_iov = kmalloc(size, GFP_KERNEL);
+                if (!sg_iov) {
                         ret = -ENOMEM;
                         goto out;
                 }
 
-                if (copy_from_user(iov, hdr->dxferp, size)) {
-                        kfree(iov);
+                if (copy_from_user(sg_iov, hdr->dxferp, size)) {
+                        kfree(sg_iov);
                         ret = -EFAULT;
                         goto out;
                 }
 
+                /*
+                 * Sum up the vecs, making sure they don't overflow
+                 */
+                iov = (struct iovec *) sg_iov;
+                iov_data_len = 0;
+                for (i = 0; i < hdr->iovec_count; i++) {
+                        if (iov_data_len + iov[i].iov_len < iov_data_len) {
+                                kfree(sg_iov);
+                                ret = -EINVAL;
+                                goto out;
+                        }
+                        iov_data_len += iov[i].iov_len;
+                }
+
                 /* SG_IO howto says that the shorter of the two wins */
-                iov_data_len = iov_length((struct iovec *)iov,
-                                          hdr->iovec_count);
                 if (hdr->dxfer_len < iov_data_len) {
-                        hdr->iovec_count = iov_shorten((struct iovec *)iov,
+                        hdr->iovec_count = iov_shorten(iov,
                                                        hdr->iovec_count,
                                                        hdr->dxfer_len);
                         iov_data_len = hdr->dxfer_len;
                 }
 
-                ret = blk_rq_map_user_iov(q, rq, NULL, iov, hdr->iovec_count,
+                ret = blk_rq_map_user_iov(q, rq, NULL, sg_iov, hdr->iovec_count,
                                           iov_data_len, GFP_KERNEL);
-                kfree(iov);
+                kfree(sg_iov);
         } else if (hdr->dxfer_len)
                 ret = blk_rq_map_user(q, rq, NULL, hdr->dxferp, hdr->dxfer_len,
                                       GFP_KERNEL);
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index de3078215fe6..75586f1f86e7 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -504,7 +504,6 @@ err:
 
 static void pcrypt_fini_padata(struct padata_pcrypt *pcrypt)
 {
-        kobject_put(&pcrypt->pinst->kobj);
         free_cpumask_var(pcrypt->cb_cpumask->mask);
         kfree(pcrypt->cb_cpumask);
 
diff --git a/drivers/Makefile b/drivers/Makefile
index 14cf9077bb2b..f3ebb30f1b7f 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_REGULATOR)		+= regulator/
 
 # char/ comes before serial/ etc so that the VT console is the boot-time
 # default.
+obj-y                           += tty/
 obj-y                           += char/
 
 # gpu/ comes after char for AGP vs DRM startup
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 541e18879965..528f6318ded1 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -180,9 +180,6 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio)
                 BUG();
                 bio_endio(bio, -ENXIO);
                 return 0;
-        } else if (bio->bi_rw & REQ_HARDBARRIER) {
-                bio_endio(bio, -EOPNOTSUPP);
-                return 0;
         } else if (bio->bi_io_vec == NULL) {
                 printk(KERN_ERR "aoe: bi_io_vec is NULL\n");
                 BUG();
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 2cc4dda46279..a67d0a611a8a 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -113,6 +113,8 @@ static struct board_type products[] = {
         {0x409D0E11, "Smart Array 6400 EM", &SA5_access},
         {0x40910E11, "Smart Array 6i", &SA5_access},
         {0x3225103C, "Smart Array P600", &SA5_access},
+        {0x3223103C, "Smart Array P800", &SA5_access},
+        {0x3234103C, "Smart Array P400", &SA5_access},
         {0x3235103C, "Smart Array P400i", &SA5_access},
         {0x3211103C, "Smart Array E200i", &SA5_access},
         {0x3212103C, "Smart Array E200", &SA5_access},
@@ -3753,7 +3755,7 @@ static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h)
         for (i = 0; i < MAX_CONFIG_WAIT; i++) {
                 if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
                         break;
-                msleep(10);
+                usleep_range(10000, 20000);
         }
 }
 
@@ -3937,10 +3939,9 @@ static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
         *board_id = ((subsystem_device_id << 16) & 0xffff0000) |
                         subsystem_vendor_id;
 
-        for (i = 0; i < ARRAY_SIZE(products); i++) {
+        for (i = 0; i < ARRAY_SIZE(products); i++)
                 if (*board_id == products[i].board_id)
                         return i;
-        }
         dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n",
                 *board_id);
         return -ENODEV;
@@ -3971,18 +3972,31 @@ static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev,
         return -ENODEV;
 }
 
-static int __devinit cciss_wait_for_board_ready(ctlr_info_t *h)
+static int __devinit cciss_wait_for_board_state(struct pci_dev *pdev,
+        void __iomem *vaddr, int wait_for_ready)
+#define BOARD_READY 1
+#define BOARD_NOT_READY 0
 {
-        int i;
+        int i, iterations;
         u32 scratchpad;
 
-        for (i = 0; i < CCISS_BOARD_READY_ITERATIONS; i++) {
-                scratchpad = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
-                if (scratchpad == CCISS_FIRMWARE_READY)
-                        return 0;
+        if (wait_for_ready)
+                iterations = CCISS_BOARD_READY_ITERATIONS;
+        else
+                iterations = CCISS_BOARD_NOT_READY_ITERATIONS;
+
+        for (i = 0; i < iterations; i++) {
+                scratchpad = readl(vaddr + SA5_SCRATCHPAD_OFFSET);
+                if (wait_for_ready) {
+                        if (scratchpad == CCISS_FIRMWARE_READY)
+                                return 0;
+                } else {
+                        if (scratchpad != CCISS_FIRMWARE_READY)
+                                return 0;
+                }
                 msleep(CCISS_BOARD_READY_POLL_INTERVAL_MSECS);
         }
-        dev_warn(&h->pdev->dev, "board not ready, timed out.\n");
+        dev_warn(&pdev->dev, "board not ready, timed out.\n");
         return -ENODEV;
 }
 
@@ -4031,6 +4045,11 @@ static int __devinit cciss_find_cfgtables(ctlr_info_t *h)
 static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h)
 {
         h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
+
+        /* Limit commands in memory limited kdump scenario. */
+        if (reset_devices && h->max_commands > 32)
+                h->max_commands = 32;
+
         if (h->max_commands < 16) {
                 dev_warn(&h->pdev->dev, "Controller reports "
                         "max supported commands of %d, an obvious lie. "
@@ -4148,7 +4167,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *h)
                 err = -ENOMEM;
                 goto err_out_free_res;
         }
-        err = cciss_wait_for_board_ready(h);
+        err = cciss_wait_for_board_state(h->pdev, h->vaddr, BOARD_READY);
         if (err)
                 goto err_out_free_res;
         err = cciss_find_cfgtables(h);
@@ -4313,36 +4332,6 @@ static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, u
 #define cciss_soft_reset_controller(p) cciss_message(p, 1, 0)
 #define cciss_noop(p) cciss_message(p, 3, 0)
 
-static __devinit int cciss_reset_msi(struct pci_dev *pdev)
-{
-/* the #defines are stolen from drivers/pci/msi.h. */
-#define msi_control_reg(base)           (base + PCI_MSI_FLAGS)
-#define PCI_MSIX_FLAGS_ENABLE           (1 << 15)
-
-        int pos;
-        u16 control = 0;
-
-        pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
-        if (pos) {
-                pci_read_config_word(pdev, msi_control_reg(pos), &control);
-                if (control & PCI_MSI_FLAGS_ENABLE) {
-                        dev_info(&pdev->dev, "resetting MSI\n");
-                        pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSI_FLAGS_ENABLE);
-                }
-        }
-
-        pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
-        if (pos) {
-                pci_read_config_word(pdev, msi_control_reg(pos), &control);
-                if (control & PCI_MSIX_FLAGS_ENABLE) {
-                        dev_info(&pdev->dev, "resetting MSI-X\n");
-                        pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSIX_FLAGS_ENABLE);
-                }
-        }
-
-        return 0;
-}
-
 static int cciss_controller_hard_reset(struct pci_dev *pdev,
         void * __iomem vaddr, bool use_doorbell)
 {
@@ -4397,17 +4386,17 @@ static int cciss_controller_hard_reset(struct pci_dev *pdev,
  * states or using the doorbell register. */
 static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
 {
-        u16 saved_config_space[32];
         u64 cfg_offset;
         u32 cfg_base_addr;
         u64 cfg_base_addr_index;
         void __iomem *vaddr;
         unsigned long paddr;
         u32 misc_fw_support, active_transport;
-        int rc, i;
+        int rc;
         CfgTable_struct __iomem *cfgtable;
         bool use_doorbell;
         u32 board_id;
+        u16 command_register;
 
         /* For controllers as old a the p600, this is very nearly
          * the same thing as
@@ -4417,14 +4406,6 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
          * pci_set_power_state(pci_dev, PCI_D0);
          * pci_restore_state(pci_dev);
          *
-         * but we can't use these nice canned kernel routines on
-         * kexec, because they also check the MSI/MSI-X state in PCI
-         * configuration space and do the wrong thing when it is
-         * set/cleared.  Also, the pci_save/restore_state functions
-         * violate the ordering requirements for restoring the
-         * configuration space from the CCISS document (see the
-         * comment below).  So we roll our own ....
-         *
          * For controllers newer than the P600, the pci power state
          * method of resetting doesn't work so we have another way
          * using the doorbell register.
@@ -4443,8 +4424,13 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
                 return -ENODEV;
         }
 
-        for (i = 0; i < 32; i++)
-                pci_read_config_word(pdev, 2*i, &saved_config_space[i]);
+        /* Save the PCI command register */
+        pci_read_config_word(pdev, 4, &command_register);
+        /* Turn the board off.  This is so that later pci_restore_state()
+         * won't turn the board on before the rest of config space is ready.
+         */
+        pci_disable_device(pdev);
+        pci_save_state(pdev);
 
         /* find the first memory BAR, so we can find the cfg table */
         rc = cciss_pci_find_memory_BAR(pdev, &paddr);
@@ -4479,26 +4465,32 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
         rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell);
         if (rc)
                 goto unmap_cfgtable;
-
-        /* Restore the PCI configuration space.  The Open CISS
-         * Specification says, "Restore the PCI Configuration
-         * Registers, offsets 00h through 60h. It is important to
-         * restore the command register, 16-bits at offset 04h,
-         * last. Do not restore the configuration status register,
-         * 16-bits at offset 06h."  Note that the offset is 2*i.
-         */
-        for (i = 0; i < 32; i++) {
-                if (i == 2 || i == 3)
-                        continue;
-                pci_write_config_word(pdev, 2*i, saved_config_space[i]);
+        pci_restore_state(pdev);
+        rc = pci_enable_device(pdev);
+        if (rc) {
+                dev_warn(&pdev->dev, "failed to enable device.\n");
+                goto unmap_cfgtable;
         }
-        wmb();
-        pci_write_config_word(pdev, 4, saved_config_space[2]);
+        pci_write_config_word(pdev, 4, command_register);
 
         /* Some devices (notably the HP Smart Array 5i Controller)
            need a little pause here */
         msleep(CCISS_POST_RESET_PAUSE_MSECS);
 
+        /* Wait for board to become not ready, then ready. */
+        dev_info(&pdev->dev, "Waiting for board to become ready.\n");
+        rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_NOT_READY);
+        if (rc) /* Don't bail, might be E500, etc. which can't be reset */
+                dev_warn(&pdev->dev,
+                        "failed waiting for board to become not ready\n");
+        rc = cciss_wait_for_board_state(pdev, vaddr, BOARD_READY);
+        if (rc) {
+                dev_warn(&pdev->dev,
+                        "failed waiting for board to become ready\n");
+                goto unmap_cfgtable;
+        }
+        dev_info(&pdev->dev, "board ready.\n");
+
         /* Controller should be in simple mode at this point.  If it's not,
          * It means we're on one of those controllers which doesn't support
          * the doorbell reset method and on which the PCI power management reset
@@ -4539,8 +4531,6 @@ static __devinit int cciss_init_reset_devices(struct pci_dev *pdev)
                 return 0; /* just try to do the kdump anyhow. */
         if (rc)
                 return -ENODEV;
-        if (cciss_reset_msi(pdev))
-                return -ENODEV;
 
         /* Now try to get the controller to respond to a no-op */
         for (i = 0; i < CCISS_POST_RESET_NOOP_RETRIES; i++) {
@@ -4936,7 +4926,8 @@ static void __exit cciss_cleanup(void)
                 }
         }
         kthread_stop(cciss_scan_thread);
-        remove_proc_entry("driver/cciss", NULL);
+        if (proc_cciss)
+                remove_proc_entry("driver/cciss", NULL);
         bus_unregister(&cciss_bus_type);
 }
 
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
index ae340ffc8f81..4b8933d778f1 100644
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -200,10 +200,14 @@ struct ctlr_info
  * the above.
  */
 #define CCISS_BOARD_READY_WAIT_SECS (120)
+#define CCISS_BOARD_NOT_READY_WAIT_SECS (10)
 #define CCISS_BOARD_READY_POLL_INTERVAL_MSECS (100)
 #define CCISS_BOARD_READY_ITERATIONS \
         ((CCISS_BOARD_READY_WAIT_SECS * 1000) / \
                 CCISS_BOARD_READY_POLL_INTERVAL_MSECS)
+#define CCISS_BOARD_NOT_READY_ITERATIONS \
+        ((CCISS_BOARD_NOT_READY_WAIT_SECS * 1000) / \
+                CCISS_BOARD_READY_POLL_INTERVAL_MSECS)
 #define CCISS_POST_RESET_PAUSE_MSECS (3000)
 #define CCISS_POST_RESET_NOOP_INTERVAL_MSECS (1000)
 #define CCISS_POST_RESET_NOOP_RETRIES (12)
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index ac04ef97eac2..ba95cba192be 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -78,11 +78,10 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev,
         init_completion(&md_io.event);
         md_io.error = 0;
 
-        if ((rw & WRITE) && !test_bit(MD_NO_BARRIER, &mdev->flags))
-                rw |= REQ_HARDBARRIER;
+        if ((rw & WRITE) && !test_bit(MD_NO_FUA, &mdev->flags))
+                rw |= REQ_FUA;
         rw |= REQ_UNPLUG | REQ_SYNC;
 
- retry:
         bio = bio_alloc(GFP_NOIO, 1);
         bio->bi_bdev = bdev->md_bdev;
         bio->bi_sector = sector;
@@ -100,17 +99,6 @@ static int _drbd_md_sync_page_io(struct drbd_conf *mdev,
         wait_for_completion(&md_io.event);
         ok = bio_flagged(bio, BIO_UPTODATE) && md_io.error == 0;
 
-        /* check for unsupported barrier op.
-         * would rather check on EOPNOTSUPP, but that is not reliable.
-         * don't try again for ANY return value != 0 */
-        if (unlikely((bio->bi_rw & REQ_HARDBARRIER) && !ok)) {
-                /* Try again with no barrier */
-                dev_warn(DEV, "Barriers not supported on meta data device - disabling\n");
-                set_bit(MD_NO_BARRIER, &mdev->flags);
-                rw &= ~REQ_HARDBARRIER;
-                bio_put(bio);
-                goto retry;
-        }
  out:
         bio_put(bio);
         return ok;
@@ -284,18 +272,32 @@ w_al_write_transaction(struct drbd_conf *mdev, struct drbd_work *w, int unused)
         u32 xor_sum = 0;
 
         if (!get_ldev(mdev)) {
-                dev_err(DEV, "get_ldev() failed in w_al_write_transaction\n");
+                dev_err(DEV,
+                        "disk is %s, cannot start al transaction (-%d +%d)\n",
+                        drbd_disk_str(mdev->state.disk), evicted, new_enr);
                 complete(&((struct update_al_work *)w)->event);
                 return 1;
         }
         /* do we have to do a bitmap write, first?
          * TODO reduce maximum latency:
          * submit both bios, then wait for both,
-         * instead of doing two synchronous sector writes. */
+         * instead of doing two synchronous sector writes.
+         * For now, we must not write the transaction,
+         * if we cannot write out the bitmap of the evicted extent. */
         if (mdev->state.conn < C_CONNECTED && evicted != LC_FREE)
                 drbd_bm_write_sect(mdev, evicted/AL_EXT_PER_BM_SECT);
 
-        mutex_lock(&mdev->md_io_mutex); /* protects md_io_page, al_tr_cycle, ... */
+        /* The bitmap write may have failed, causing a state change. */
+        if (mdev->state.disk < D_INCONSISTENT) {
+                dev_err(DEV,
+                        "disk is %s, cannot write al transaction (-%d +%d)\n",
+                        drbd_disk_str(mdev->state.disk), evicted, new_enr);
+                complete(&((struct update_al_work *)w)->event);
+                put_ldev(mdev);
+                return 1;
+        }
+
+        mutex_lock(&mdev->md_io_mutex); /* protects md_io_buffer, al_tr_cycle, ... */
         buffer = (struct al_transaction *)page_address(mdev->md_io_page);
 
         buffer->magic = __constant_cpu_to_be32(DRBD_MAGIC);
@@ -739,7 +741,7 @@ void drbd_al_apply_to_bm(struct drbd_conf *mdev)
         unsigned int enr;
         unsigned long add = 0;
         char ppb[10];
-        int i;
+        int i, tmp;
 
         wait_event(mdev->al_wait, lc_try_lock(mdev->act_log));
 
@@ -747,7 +749,9 @@ void drbd_al_apply_to_bm(struct drbd_conf *mdev)
                 enr = lc_element_by_index(mdev->act_log, i)->lc_number;
                 if (enr == LC_FREE)
                         continue;
-                add += drbd_bm_ALe_set_all(mdev, enr);
+                tmp = drbd_bm_ALe_set_all(mdev, enr);
+                dynamic_dev_dbg(DEV, "AL: set %d bits in extent %u\n", tmp, enr);
+                add += tmp;
         }
 
         lc_unlock(mdev->act_log);
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 9bdcf4393c0a..1ea1a34e78b2 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -114,11 +114,11 @@ struct drbd_conf;
 #define D_ASSERT(exp)   if (!(exp)) \
          dev_err(DEV, "ASSERT( " #exp " ) in %s:%d\n", __FILE__, __LINE__)
 
-#define ERR_IF(exp) if (({                              \
-        int _b = (exp) != 0;                            \
-        if (_b) dev_err(DEV, "%s: (%s) in %s:%d\n",     \
-                __func__, #exp, __FILE__, __LINE__);    \
-         _b;                                            \
+#define ERR_IF(exp) if (({                                              \
+        int _b = (exp) != 0;                                            \
+        if (_b) dev_err(DEV, "ASSERT FAILED: %s: (%s) in %s:%d\n",      \
+                        __func__, #exp, __FILE__, __LINE__);            \
+        _b;                                                             \
         }))
 
 /* Defines to control fault insertion */
@@ -749,17 +749,12 @@ struct drbd_epoch {
 
 /* drbd_epoch flag bits */
 enum {
-        DE_BARRIER_IN_NEXT_EPOCH_ISSUED,
-        DE_BARRIER_IN_NEXT_EPOCH_DONE,
-        DE_CONTAINS_A_BARRIER,
         DE_HAVE_BARRIER_NUMBER,
-        DE_IS_FINISHING,
 };
 
 enum epoch_event {
         EV_PUT,
         EV_GOT_BARRIER_NR,
-        EV_BARRIER_DONE,
         EV_BECAME_LAST,
         EV_CLEANUP = 32, /* used as flag */
 };
@@ -801,11 +796,6 @@ enum {
         __EE_CALL_AL_COMPLETE_IO,
         __EE_MAY_SET_IN_SYNC,
 
-        /* This epoch entry closes an epoch using a barrier.
-         * On sucessful completion, the epoch is released,
-         * and the P_BARRIER_ACK send. */
-        __EE_IS_BARRIER,
-
         /* In case a barrier failed,
          * we need to resubmit without the barrier flag. */
         __EE_RESUBMITTED,
@@ -820,7 +810,6 @@ enum {
 };
 #define EE_CALL_AL_COMPLETE_IO (1<<__EE_CALL_AL_COMPLETE_IO)
 #define EE_MAY_SET_IN_SYNC     (1<<__EE_MAY_SET_IN_SYNC)
-#define EE_IS_BARRIER          (1<<__EE_IS_BARRIER)
 #define EE_RESUBMITTED         (1<<__EE_RESUBMITTED)
 #define EE_WAS_ERROR           (1<<__EE_WAS_ERROR)
 #define EE_HAS_DIGEST          (1<<__EE_HAS_DIGEST)
@@ -843,16 +832,15 @@ enum {
                                  * Gets cleared when the state.conn
                                  * goes into C_CONNECTED state. */
         WRITE_BM_AFTER_RESYNC,  /* A kmalloc() during resync failed */
-        NO_BARRIER_SUPP,        /* underlying block device doesn't implement barriers */
         CONSIDER_RESYNC,
 
-        MD_NO_BARRIER,          /* meta data device does not support barriers,
-                                   so don't even try */
+        MD_NO_FUA,              /* Users wants us to not use FUA/FLUSH on meta data dev */
         SUSPEND_IO,             /* suspend application io */
         BITMAP_IO,              /* suspend application io;
                                    once no more io in flight, start bitmap io */
         BITMAP_IO_QUEUED,       /* Started bitmap IO */
-        GO_DISKLESS,            /* Disk failed, local_cnt reached zero, we are going diskless */
+        GO_DISKLESS,            /* Disk is being detached, on io-error or admin request. */
+        WAS_IO_ERROR,           /* Local disk failed returned IO error */
         RESYNC_AFTER_NEG,       /* Resync after online grow after the attach&negotiate finished. */
         NET_CONGESTED,          /* The data socket is congested */
 
@@ -947,7 +935,6 @@ enum write_ordering_e {
         WO_none,
         WO_drain_io,
         WO_bdev_flush,
-        WO_bio_barrier
 };
 
 struct fifo_buffer {
@@ -1281,6 +1268,7 @@ extern int drbd_bmio_set_n_write(struct drbd_conf *mdev);
 extern int drbd_bmio_clear_n_write(struct drbd_conf *mdev);
 extern int drbd_bitmap_io(struct drbd_conf *mdev, int (*io_fn)(struct drbd_conf *), char *why);
 extern void drbd_go_diskless(struct drbd_conf *mdev);
+extern void drbd_ldev_destroy(struct drbd_conf *mdev);
 
 
 /* Meta data layout
@@ -1798,17 +1786,17 @@ static inline void __drbd_chk_io_error_(struct drbd_conf *mdev, int forcedetach,
         case EP_PASS_ON:
                 if (!forcedetach) {
                         if (__ratelimit(&drbd_ratelimit_state))
-                                dev_err(DEV, "Local IO failed in %s."
-                                             "Passing error on...\n", where);
+                                dev_err(DEV, "Local IO failed in %s.\n", where);
                         break;
                 }
                 /* NOTE fall through to detach case if forcedetach set */
         case EP_DETACH:
         case EP_CALL_HELPER:
+                set_bit(WAS_IO_ERROR, &mdev->flags);
                 if (mdev->state.disk > D_FAILED) {
                         _drbd_set_state(_NS(mdev, disk, D_FAILED), CS_HARD, NULL);
-                        dev_err(DEV, "Local IO failed in %s."
-                                     "Detaching...\n", where);
+                        dev_err(DEV,
+                                "Local IO failed in %s. Detaching...\n", where);
                 }
                 break;
         }
@@ -1874,7 +1862,7 @@ static inline sector_t drbd_md_last_sector(struct drbd_backing_dev *bdev)
 static inline sector_t drbd_get_capacity(struct block_device *bdev)
 {
         /* return bdev ? get_capacity(bdev->bd_disk) : 0; */
-        return bdev ? bdev->bd_inode->i_size >> 9 : 0;
+        return bdev ? i_size_read(bdev->bd_inode) >> 9 : 0;
 }
 
 /**
@@ -2127,7 +2115,11 @@ static inline void put_ldev(struct drbd_conf *mdev)
         __release(local);
         D_ASSERT(i >= 0);
         if (i == 0) {
+                if (mdev->state.disk == D_DISKLESS)
+                        /* even internal references gone, safe to destroy */
+                        drbd_ldev_destroy(mdev);
                 if (mdev->state.disk == D_FAILED)
+                        /* all application IO references gone. */
                         drbd_go_diskless(mdev);
                 wake_up(&mdev->misc_wait);
         }
@@ -2138,6 +2130,10 @@ static inline int _get_ldev_if_state(struct drbd_conf *mdev, enum drbd_disk_stat
 {
         int io_allowed;
 
+        /* never get a reference while D_DISKLESS */
+        if (mdev->state.disk == D_DISKLESS)
+                return 0;
+
         atomic_inc(&mdev->local_cnt);
         io_allowed = (mdev->state.disk >= mins);
         if (!io_allowed)
@@ -2406,12 +2402,12 @@ static inline void drbd_md_flush(struct drbd_conf *mdev)
 {
         int r;
 
-        if (test_bit(MD_NO_BARRIER, &mdev->flags))
+        if (test_bit(MD_NO_FUA, &mdev->flags))
                 return;
 
         r = blkdev_issue_flush(mdev->ldev->md_bdev, GFP_KERNEL, NULL);
         if (r) {
-                set_bit(MD_NO_BARRIER, &mdev->flags);
+                set_bit(MD_NO_FUA, &mdev->flags);
                 dev_err(DEV, "meta data flush failed with status %d, disabling md-flushes\n", r);
         }
 }
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 25c7a73c5062..6be5401d0e88 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -835,6 +835,15 @@ static union drbd_state sanitize_state(struct drbd_conf *mdev, union drbd_state
             ns.conn != C_UNCONNECTED && ns.conn != C_DISCONNECTING && ns.conn <= C_TEAR_DOWN)
                 ns.conn = os.conn;
 
+        /* we cannot fail (again) if we already detached */
+        if (ns.disk == D_FAILED && os.disk == D_DISKLESS)
+                ns.disk = D_DISKLESS;
+
+        /* if we are only D_ATTACHING yet,
+         * we can (and should) go directly to D_DISKLESS. */
+        if (ns.disk == D_FAILED && os.disk == D_ATTACHING)
+                ns.disk = D_DISKLESS;
+
         /* After C_DISCONNECTING only C_STANDALONE may follow */
         if (os.conn == C_DISCONNECTING && ns.conn != C_STANDALONE)
                 ns.conn = os.conn;
@@ -1056,7 +1065,15 @@ int __drbd_set_state(struct drbd_conf *mdev,
             !test_and_set_bit(CONFIG_PENDING, &mdev->flags))
                 set_bit(DEVICE_DYING, &mdev->flags);
 
-        mdev->state.i = ns.i;
+        /* if we are going -> D_FAILED or D_DISKLESS, grab one extra reference
+         * on the ldev here, to be sure the transition -> D_DISKLESS resp.
+         * drbd_ldev_destroy() won't happen before our corresponding
+         * after_state_ch works run, where we put_ldev again. */
+        if ((os.disk != D_FAILED && ns.disk == D_FAILED) ||
+            (os.disk != D_DISKLESS && ns.disk == D_DISKLESS))
+                atomic_inc(&mdev->local_cnt);
+
+        mdev->state = ns;
         wake_up(&mdev->misc_wait);
         wake_up(&mdev->state_wait);
 
@@ -1268,7 +1285,6 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
                         if (test_bit(NEW_CUR_UUID, &mdev->flags)) {
                                 drbd_uuid_new_current(mdev);
                                 clear_bit(NEW_CUR_UUID, &mdev->flags);
-                                drbd_md_sync(mdev);
                         }
                         spin_lock_irq(&mdev->req_lock);
                         _drbd_set_state(_NS(mdev, susp_fen, 0), CS_VERBOSE, NULL);
@@ -1365,63 +1381,64 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
             os.disk > D_INCONSISTENT && ns.disk == D_INCONSISTENT)
                 drbd_queue_bitmap_io(mdev, &drbd_bmio_set_n_write, NULL, "set_n_write from invalidate");
 
-        /* first half of local IO error */
-        if (os.disk > D_FAILED && ns.disk == D_FAILED) {
-                enum drbd_io_error_p eh = EP_PASS_ON;
+        /* first half of local IO error, failure to attach,
+         * or administrative detach */
+        if (os.disk != D_FAILED && ns.disk == D_FAILED) {
+                enum drbd_io_error_p eh;
+                int was_io_error;
+                /* corresponding get_ldev was in __drbd_set_state, to serialize
+                 * our cleanup here with the transition to D_DISKLESS,
+                 * so it is safe to dreference ldev here. */
+                eh = mdev->ldev->dc.on_io_error;
+                was_io_error = test_and_clear_bit(WAS_IO_ERROR, &mdev->flags);
+
+                /* current state still has to be D_FAILED,
+                 * there is only one way out: to D_DISKLESS,
+                 * and that may only happen after our put_ldev below. */
+                if (mdev->state.disk != D_FAILED)
+                        dev_err(DEV,
+                                "ASSERT FAILED: disk is %s during detach\n",
+                                drbd_disk_str(mdev->state.disk));
 
                 if (drbd_send_state(mdev))
-                        dev_warn(DEV, "Notified peer that my disk is broken.\n");
+                        dev_warn(DEV, "Notified peer that I am detaching my disk\n");
                 else
-                        dev_err(DEV, "Sending state for drbd_io_error() failed\n");
+                        dev_err(DEV, "Sending state for detaching disk failed\n");
 
                 drbd_rs_cancel_all(mdev);
 
-                if (get_ldev_if_state(mdev, D_FAILED)) {
-                        eh = mdev->ldev->dc.on_io_error;
-                        put_ldev(mdev);
-                }
-                if (eh == EP_CALL_HELPER)
+                /* In case we want to get something to stable storage still,
+                 * this may be the last chance.
+                 * Following put_ldev may transition to D_DISKLESS. */
+                drbd_md_sync(mdev);
+                put_ldev(mdev);
+
+                if (was_io_error && eh == EP_CALL_HELPER)
                         drbd_khelper(mdev, "local-io-error");
         }
 
+        /* second half of local IO error, failure to attach,
+         * or administrative detach,
+         * after local_cnt references have reached zero again */
+        if (os.disk != D_DISKLESS && ns.disk == D_DISKLESS) {
+                /* We must still be diskless,
+                 * re-attach has to be serialized with this! */
+                if (mdev->state.disk != D_DISKLESS)
+                        dev_err(DEV,
+                                "ASSERT FAILED: disk is %s while going diskless\n",
+                                drbd_disk_str(mdev->state.disk));
 
-        /* second half of local IO error handling,
-         * after local_cnt references have reached zero: */
-        if (os.disk == D_FAILED && ns.disk == D_DISKLESS) {
-                mdev->rs_total = 0;
-                mdev->rs_failed = 0;
-                atomic_set(&mdev->rs_pending_cnt, 0);
-        }
-
-        if (os.disk > D_DISKLESS && ns.disk == D_DISKLESS) {
-                /* We must still be diskless,
-                 * re-attach has to be serialized with this! */
-                if (mdev->state.disk != D_DISKLESS)
-                        dev_err(DEV,
-                                "ASSERT FAILED: disk is %s while going diskless\n",
-                                drbd_disk_str(mdev->state.disk));
+                mdev->rs_total = 0;
+                mdev->rs_failed = 0;
+                atomic_set(&mdev->rs_pending_cnt, 0);
 
-                /* we cannot assert local_cnt == 0 here, as get_ldev_if_state
-                 * will inc/dec it frequently. Since we became D_DISKLESS, no
-                 * one has touched the protected members anymore, though, so we
-                 * are safe to free them here. */
                 if (drbd_send_state(mdev))
-                        dev_warn(DEV, "Notified peer that I detached my disk.\n");
+                        dev_warn(DEV, "Notified peer that I'm now diskless.\n");
                 else
-                        dev_err(DEV, "Sending state for detach failed\n");
-
-                lc_destroy(mdev->resync);
-                mdev->resync = NULL;
-                lc_destroy(mdev->act_log);
-                mdev->act_log = NULL;
-                __no_warn(local,
-                        drbd_free_bc(mdev->ldev);
-                        mdev->ldev = NULL;);
-
-                if (mdev->md_io_tmpp) {
-                        __free_page(mdev->md_io_tmpp);
-                        mdev->md_io_tmpp = NULL;
-                }
+                        dev_err(DEV, "Sending state for being diskless failed\n");
+                /* corresponding get_ldev in __drbd_set_state
+                 * this may finaly trigger drbd_ldev_destroy. */
+                put_ldev(mdev);
         }
 
         /* Disks got bigger while they were detached */
@@ -2772,11 +2789,6 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
 
         drbd_set_defaults(mdev);
 
-        /* for now, we do NOT yet support it,
-         * even though we start some framework
-         * to eventually support barriers */
-        set_bit(NO_BARRIER_SUPP, &mdev->flags);
-
         atomic_set(&mdev->ap_bio_cnt, 0);
         atomic_set(&mdev->ap_pending_cnt, 0);
         atomic_set(&mdev->rs_pending_cnt, 0);
@@ -2842,7 +2854,7 @@ void drbd_init_set_defaults(struct drbd_conf *mdev)
         drbd_thread_init(mdev, &mdev->asender, drbd_asender);
 
         mdev->agreed_pro_version = PRO_VERSION_MAX;
-        mdev->write_ordering = WO_bio_barrier;
+        mdev->write_ordering = WO_bdev_flush;
         mdev->resync_wenr = LC_FREE;
 }
 
@@ -2899,7 +2911,6 @@ void drbd_mdev_cleanup(struct drbd_conf *mdev)
         D_ASSERT(list_empty(&mdev->resync_work.list));
         D_ASSERT(list_empty(&mdev->unplug_work.list));
         D_ASSERT(list_empty(&mdev->go_diskless.list));
-
 }
 
 
@@ -3660,6 +3671,8 @@ void drbd_uuid_new_current(struct drbd_conf *mdev) __must_hold(local)
 
         get_random_bytes(&val, sizeof(u64));
         _drbd_uuid_set(mdev, UI_CURRENT, val);
+        /* get it to stable storage _now_ */
+        drbd_md_sync(mdev);
 }
 
 void drbd_uuid_set_bm(struct drbd_conf *mdev, u64 val) __must_hold(local)
@@ -3756,19 +3769,31 @@ static int w_bitmap_io(struct drbd_conf *mdev, struct drbd_work *w, int unused)
         return 1;
 }
 
+void drbd_ldev_destroy(struct drbd_conf *mdev)
+{
+        lc_destroy(mdev->resync);
+        mdev->resync = NULL;
+        lc_destroy(mdev->act_log);
+        mdev->act_log = NULL;
+        __no_warn(local,
+                drbd_free_bc(mdev->ldev);
+                mdev->ldev = NULL;);
+
+        if (mdev->md_io_tmpp) {
+                __free_page(mdev->md_io_tmpp);
+                mdev->md_io_tmpp = NULL;
+        }
+        clear_bit(GO_DISKLESS, &mdev->flags);
+}
+
 static int w_go_diskless(struct drbd_conf *mdev, struct drbd_work *w, int unused)
 {
         D_ASSERT(mdev->state.disk == D_FAILED);
         /* we cannot assert local_cnt == 0 here, as get_ldev_if_state will
          * inc/dec it frequently. Once we are D_DISKLESS, no one will touch
-         * the protected members anymore, though, so in the after_state_ch work
-         * it will be safe to free them. */
+         * the protected members anymore, though, so once put_ldev reaches zero
+         * again, it will be safe to free them. */
         drbd_force_state(mdev, NS(disk, D_DISKLESS));
-        /* We need to wait for return of references checked out while we still
-         * have been D_FAILED, though (drbd_md_sync, bitmap io). */
-        wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt));
-
-        clear_bit(GO_DISKLESS, &mdev->flags);
         return 1;
 }
 
@@ -3777,9 +3802,6 @@ void drbd_go_diskless(struct drbd_conf *mdev)
         D_ASSERT(mdev->state.disk == D_FAILED);
         if (!test_and_set_bit(GO_DISKLESS, &mdev->flags))
                 drbd_queue_work(&mdev->data.work, &mdev->go_diskless);
-                /* don't drbd_queue_work_front,
-                 * we need to serialize with the after_state_ch work
-                 * of the -> D_FAILED transition. */
 }
 
 /**
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 87925e97e613..29e5c70e4e26 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -870,6 +870,11 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
                 retcode = ERR_DISK_CONFIGURED;
                 goto fail;
         }
+        /* It may just now have detached because of IO error.  Make sure
+         * drbd_ldev_destroy is done already, we may end up here very fast,
+         * e.g. if someone calls attach from the on-io-error handler,
+         * to realize a "hot spare" feature (not that I'd recommend that) */
+        wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt));
 
         /* allocation not in the IO path, cqueue thread context */
         nbc = kzalloc(sizeof(struct drbd_backing_dev), GFP_KERNEL);
@@ -1098,9 +1103,9 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
         /* Reset the "barriers don't work" bits here, then force meta data to
          * be written, to ensure we determine if barriers are supported. */
         if (nbc->dc.no_md_flush)
-                set_bit(MD_NO_BARRIER, &mdev->flags);
+                set_bit(MD_NO_FUA, &mdev->flags);
         else
-                clear_bit(MD_NO_BARRIER, &mdev->flags);
+                clear_bit(MD_NO_FUA, &mdev->flags);
 
         /* Point of no return reached.
          * Devices and memory are no longer released by error cleanup below.
@@ -1112,8 +1117,8 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
         nbc = NULL;
         resync_lru = NULL;
 
-        mdev->write_ordering = WO_bio_barrier;
-        drbd_bump_write_ordering(mdev, WO_bio_barrier);
+        mdev->write_ordering = WO_bdev_flush;
+        drbd_bump_write_ordering(mdev, WO_bdev_flush);
 
         if (drbd_md_test_flag(mdev->ldev, MDF_CRASHED_PRIMARY))
                 set_bit(CRASHED_PRIMARY, &mdev->flags);
@@ -1262,7 +1267,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
  force_diskless_dec:
         put_ldev(mdev);
  force_diskless:
-        drbd_force_state(mdev, NS(disk, D_DISKLESS));
+        drbd_force_state(mdev, NS(disk, D_FAILED));
         drbd_md_sync(mdev);
  release_bdev2_fail:
         if (nbc)
@@ -1285,10 +1290,19 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
         return 0;
 }
 
+/* Detaching the disk is a process in multiple stages.  First we need to lock
+ * out application IO, in-flight IO, IO stuck in drbd_al_begin_io.
+ * Then we transition to D_DISKLESS, and wait for put_ldev() to return all
+ * internal references as well.
+ * Only then we have finally detached. */
 static int drbd_nl_detach(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
                           struct drbd_nl_cfg_reply *reply)
 {
+        drbd_suspend_io(mdev); /* so no-one is stuck in drbd_al_begin_io */
         reply->ret_code = drbd_request_state(mdev, NS(disk, D_DISKLESS));
+        if (mdev->state.disk == D_DISKLESS)
+                wait_event(mdev->misc_wait, !atomic_read(&mdev->local_cnt));
+        drbd_resume_io(mdev);
         return 0;
 }
 
@@ -1953,7 +1967,6 @@ static int drbd_nl_resume_io(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
         if (test_bit(NEW_CUR_UUID, &mdev->flags)) {
                 drbd_uuid_new_current(mdev);
                 clear_bit(NEW_CUR_UUID, &mdev->flags);
-                drbd_md_sync(mdev);
         }
         drbd_suspend_io(mdev);
         reply->ret_code = drbd_request_state(mdev, NS3(susp, 0, susp_nod, 0, susp_fen, 0));
diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index ad325c5d0ce1..7e6ac307e2de 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -158,7 +158,6 @@ static int drbd_seq_show(struct seq_file *seq, void *v)
                 [WO_none] = 'n',
                 [WO_drain_io] = 'd',
                 [WO_bdev_flush] = 'f',
-                [WO_bio_barrier] = 'b',
         };
 
         seq_printf(seq, "version: " REL_VERSION " (api:%d/proto:%d-%d)\n%s\n",
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index efd6169acf2f..d299fe9e78c8 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -49,11 +49,6 @@
 
 #include "drbd_vli.h"
 
-struct flush_work {
-        struct drbd_work w;
-        struct drbd_epoch *epoch;
-};
-
 enum finish_epoch {
         FE_STILL_LIVE,
         FE_DESTROYED,
@@ -66,16 +61,6 @@ static int drbd_do_auth(struct drbd_conf *mdev);
 static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *, struct drbd_epoch *, enum epoch_event);
 static int e_end_block(struct drbd_conf *, struct drbd_work *, int);
 
-static struct drbd_epoch *previous_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch)
-{
-        struct drbd_epoch *prev;
-        spin_lock(&mdev->epoch_lock);
-        prev = list_entry(epoch->list.prev, struct drbd_epoch, list);
-        if (prev == epoch || prev == mdev->current_epoch)
-                prev = NULL;
-        spin_unlock(&mdev->epoch_lock);
-        return prev;
-}
 
 #define GFP_TRY (__GFP_HIGHMEM | __GFP_NOWARN)
 
@@ -981,7 +966,7 @@ static int drbd_recv_header(struct drbd_conf *mdev, enum drbd_packets *cmd, unsi
         return TRUE;
 }
 
-static enum finish_epoch drbd_flush_after_epoch(struct drbd_conf *mdev, struct drbd_epoch *epoch)
+static void drbd_flush(struct drbd_conf *mdev)
 {
         int rv;
 
@@ -997,24 +982,6 @@ static enum finish_epoch drbd_flush_after_epoch(struct drbd_conf *mdev, struct d
                 }
                 put_ldev(mdev);
         }
-
-        return drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE);
-}
-
-static int w_flush(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
-{
-        struct flush_work *fw = (struct flush_work *)w;
-        struct drbd_epoch *epoch = fw->epoch;
-
-        kfree(w);
-
-        if (!test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags))
-                drbd_flush_after_epoch(mdev, epoch);
-
-        drbd_may_finish_epoch(mdev, epoch, EV_PUT |
-                              (mdev->state.conn < C_CONNECTED ? EV_CLEANUP : 0));
-
-        return 1;
 }
 
 /**
@@ -1027,15 +994,13 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
                                                struct drbd_epoch *epoch,
                                                enum epoch_event ev)
 {
-        int finish, epoch_size;
+        int epoch_size;
         struct drbd_epoch *next_epoch;
-        int schedule_flush = 0;
         enum finish_epoch rv = FE_STILL_LIVE;
 
         spin_lock(&mdev->epoch_lock);
         do {
                 next_epoch = NULL;
-                finish = 0;
 
                 epoch_size = atomic_read(&epoch->epoch_size);
 
@@ -1045,16 +1010,6 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
                         break;
                 case EV_GOT_BARRIER_NR:
                         set_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags);
-
-                        /* Special case: If we just switched from WO_bio_barrier to
-                           WO_bdev_flush we should not finish the current epoch */
-                        if (test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags) && epoch_size == 1 &&
-                            mdev->write_ordering != WO_bio_barrier &&
-                            epoch == mdev->current_epoch)
-                                clear_bit(DE_CONTAINS_A_BARRIER, &epoch->flags);
-                        break;
-                case EV_BARRIER_DONE:
-                        set_bit(DE_BARRIER_IN_NEXT_EPOCH_DONE, &epoch->flags);
                         break;
                 case EV_BECAME_LAST:
                         /* nothing to do*/
@@ -1063,23 +1018,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
 
                 if (epoch_size != 0 &&
                     atomic_read(&epoch->active) == 0 &&
-                    test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags) &&
-                    epoch->list.prev == &mdev->current_epoch->list &&
-                    !test_bit(DE_IS_FINISHING, &epoch->flags)) {
-                        /* Nearly all conditions are met to finish that epoch... */
-                        if (test_bit(DE_BARRIER_IN_NEXT_EPOCH_DONE, &epoch->flags) ||
-                            mdev->write_ordering == WO_none ||
-                            (epoch_size == 1 && test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags)) ||
-                            ev & EV_CLEANUP) {
-                                finish = 1;
-                                set_bit(DE_IS_FINISHING, &epoch->flags);
-                        } else if (!test_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags) &&
-                                 mdev->write_ordering == WO_bio_barrier) {
-                                atomic_inc(&epoch->active);
-                                schedule_flush = 1;
-                        }
-                }
-                if (finish) {
+                    test_bit(DE_HAVE_BARRIER_NUMBER, &epoch->flags)) {
                         if (!(ev & EV_CLEANUP)) {
                                 spin_unlock(&mdev->epoch_lock);
                                 drbd_send_b_ack(mdev, epoch->barrier_nr, epoch_size);
@@ -1102,6 +1041,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
                                 /* atomic_set(&epoch->active, 0); is already zero */
                                 if (rv == FE_STILL_LIVE)
                                         rv = FE_RECYCLED;
+                                wake_up(&mdev->ee_wait);
                         }
                 }
 
@@ -1113,22 +1053,6 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_conf *mdev,
 
         spin_unlock(&mdev->epoch_lock);
 
-        if (schedule_flush) {
-                struct flush_work *fw;
-                fw = kmalloc(sizeof(*fw), GFP_ATOMIC);
-                if (fw) {
-                        fw->w.cb = w_flush;
-                        fw->epoch = epoch;
-                        drbd_queue_work(&mdev->data.work, &fw->w);
-                } else {
-                        dev_warn(DEV, "Could not kmalloc a flush_work obj\n");
-                        set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags);
-                        /* That is not a recursion, only one level */
-                        drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE);
-                        drbd_may_finish_epoch(mdev, epoch, EV_PUT);
-                }
-        }
-
         return rv;
 }
 
@@ -1144,19 +1068,16 @@ void drbd_bump_write_ordering(struct drbd_conf *mdev, enum write_ordering_e wo)
                 [WO_none] = "none",
                 [WO_drain_io] = "drain",
                 [WO_bdev_flush] = "flush",
-                [WO_bio_barrier] = "barrier",
         };
 
         pwo = mdev->write_ordering;
         wo = min(pwo, wo);
-        if (wo == WO_bio_barrier && mdev->ldev->dc.no_disk_barrier)
-                wo = WO_bdev_flush;
         if (wo == WO_bdev_flush && mdev->ldev->dc.no_disk_flush)
                 wo = WO_drain_io;
         if (wo == WO_drain_io && mdev->ldev->dc.no_disk_drain)
                 wo = WO_none;
         mdev->write_ordering = wo;
-        if (pwo != mdev->write_ordering || wo == WO_bio_barrier)
+        if (pwo != mdev->write_ordering || wo == WO_bdev_flush)
                 dev_info(DEV, "Method to ensure write ordering: %s\n", write_ordering_str[mdev->write_ordering]);
 }
 
@@ -1192,7 +1113,7 @@ next_bio:
         bio->bi_sector = sector;
         bio->bi_bdev = mdev->ldev->backing_bdev;
         /* we special case some flags in the multi-bio case, see below
-         * (REQ_UNPLUG, REQ_HARDBARRIER) */
+         * (REQ_UNPLUG) */
         bio->bi_rw = rw;
         bio->bi_private = e;
         bio->bi_end_io = drbd_endio_sec;
@@ -1226,11 +1147,6 @@ next_bio:
                         bio->bi_rw &= ~REQ_UNPLUG;
 
                 drbd_generic_make_request(mdev, fault_type, bio);
-
-                /* strip off REQ_HARDBARRIER,
-                 * unless it is the first or last bio */
-                if (bios && bios->bi_next)
-                        bios->bi_rw &= ~REQ_HARDBARRIER;
         } while (bios);
         maybe_kick_lo(mdev);
         return 0;
@@ -1244,45 +1160,9 @@ fail:
         return -ENOMEM;
 }
 
-/**
- * w_e_reissue() - Worker callback; Resubmit a bio, without REQ_HARDBARRIER set
- * @mdev:       DRBD device.
- * @w:          work object.
- * @cancel:     The connection will be closed anyways (unused in this callback)
- */
-int w_e_reissue(struct drbd_conf *mdev, struct drbd_work *w, int cancel) __releases(local)
-{
-        struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w;
-        /* We leave DE_CONTAINS_A_BARRIER and EE_IS_BARRIER in place,
-           (and DE_BARRIER_IN_NEXT_EPOCH_ISSUED in the previous Epoch)
-           so that we can finish that epoch in drbd_may_finish_epoch().
-           That is necessary if we already have a long chain of Epochs, before
-           we realize that REQ_HARDBARRIER is actually not supported */
-
-        /* As long as the -ENOTSUPP on the barrier is reported immediately
-           that will never trigger. If it is reported late, we will just
-           print that warning and continue correctly for all future requests
-           with WO_bdev_flush */
-        if (previous_epoch(mdev, e->epoch))
-                dev_warn(DEV, "Write ordering was not enforced (one time event)\n");
-
-        /* we still have a local reference,
-         * get_ldev was done in receive_Data. */
-
-        e->w.cb = e_end_block;
-        if (drbd_submit_ee(mdev, e, WRITE, DRBD_FAULT_DT_WR) != 0) {
-                /* drbd_submit_ee fails for one reason only:
-                 * if was not able to allocate sufficient bios.
-                 * requeue, try again later. */
-                e->w.cb = w_e_reissue;
-                drbd_queue_work(&mdev->data.work, &e->w);
-        }
-        return 1;
-}
-
 static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned int data_size)
 {
-        int rv, issue_flush;
+        int rv;
         struct p_barrier *p = &mdev->data.rbuf.barrier;
         struct drbd_epoch *epoch;
 
@@ -1300,44 +1180,40 @@ static int receive_Barrier(struct drbd_conf *mdev, enum drbd_packets cmd, unsign
          * Therefore we must send the barrier_ack after the barrier request was
          * completed. */
         switch (mdev->write_ordering) {
-        case WO_bio_barrier:
         case WO_none:
                 if (rv == FE_RECYCLED)
                         return TRUE;
-                break;
+
+                /* receiver context, in the writeout path of the other node.
+                 * avoid potential distributed deadlock */
+                epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);
+                if (epoch)
+                        break;
+                else
+                        dev_warn(DEV, "Allocation of an epoch failed, slowing down\n");
+                        /* Fall through */
 
         case WO_bdev_flush:
         case WO_drain_io:
-                if (rv == FE_STILL_LIVE) {
-                        set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags);
-                        drbd_wait_ee_list_empty(mdev, &mdev->active_ee);
-                        rv = drbd_flush_after_epoch(mdev, mdev->current_epoch);
-                }
-                if (rv == FE_RECYCLED)
-                        return TRUE;
-
-                /* The asender will send all the ACKs and barrier ACKs out, since
-                   all EEs moved from the active_ee to the done_ee. We need to
-                   provide a new epoch object for the EEs that come in soon */
-                break;
-        }
-
-        /* receiver context, in the writeout path of the other node.
-         * avoid potential distributed deadlock */
-        epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);
-        if (!epoch) {
-                dev_warn(DEV, "Allocation of an epoch failed, slowing down\n");
-                issue_flush = !test_and_set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &mdev->current_epoch->flags);
                 drbd_wait_ee_list_empty(mdev, &mdev->active_ee);
-                if (issue_flush) {
-                        rv = drbd_flush_after_epoch(mdev, mdev->current_epoch);
-                        if (rv == FE_RECYCLED)
-                                return TRUE;
+                drbd_flush(mdev);
+
+                if (atomic_read(&mdev->current_epoch->epoch_size)) {
+                        epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO);
+                        if (epoch)
+                                break;
                 }
 
-                drbd_wait_ee_list_empty(mdev, &mdev->done_ee);
+                epoch = mdev->current_epoch;
+                wait_event(mdev->ee_wait, atomic_read(&epoch->epoch_size) == 0);
+
+                D_ASSERT(atomic_read(&epoch->active) == 0);
+                D_ASSERT(epoch->flags == 0);
 
                 return TRUE;
+        default:
+                dev_err(DEV, "Strangeness in mdev->write_ordering %d\n", mdev->write_ordering);
+                return FALSE;
         }
 
         epoch->flags = 0;
@@ -1652,15 +1528,8 @@ static int e_end_block(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
 {
         struct drbd_epoch_entry *e = (struct drbd_epoch_entry *)w;
         sector_t sector = e->sector;
-        struct drbd_epoch *epoch;
         int ok = 1, pcmd;
 
-        if (e->flags & EE_IS_BARRIER) {
-                epoch = previous_epoch(mdev, e->epoch);
-                if (epoch)
-                        drbd_may_finish_epoch(mdev, epoch, EV_BARRIER_DONE + (cancel ? EV_CLEANUP : 0));
-        }
-
         if (mdev->net_conf->wire_protocol == DRBD_PROT_C) {
                 if (likely((e->flags & EE_WAS_ERROR) == 0)) {
                         pcmd = (mdev->state.conn >= C_SYNC_SOURCE &&
@@ -1817,27 +1686,6 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
         e->epoch = mdev->current_epoch;
         atomic_inc(&e->epoch->epoch_size);
         atomic_inc(&e->epoch->active);
-
-        if (mdev->write_ordering == WO_bio_barrier && atomic_read(&e->epoch->epoch_size) == 1) {
-                struct drbd_epoch *epoch;
-                /* Issue a barrier if we start a new epoch, and the previous epoch
-                   was not a epoch containing a single request which already was
-                   a Barrier. */
-                epoch = list_entry(e->epoch->list.prev, struct drbd_epoch, list);
-                if (epoch == e->epoch) {
-                        set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags);
-                        rw |= REQ_HARDBARRIER;
-                        e->flags |= EE_IS_BARRIER;
-                } else {
-                        if (atomic_read(&epoch->epoch_size) > 1 ||
-                            !test_bit(DE_CONTAINS_A_BARRIER, &epoch->flags)) {
-                                set_bit(DE_BARRIER_IN_NEXT_EPOCH_ISSUED, &epoch->flags);
-                                set_bit(DE_CONTAINS_A_BARRIER, &e->epoch->flags);
-                                rw |= REQ_HARDBARRIER;
-                                e->flags |= EE_IS_BARRIER;
-                        }
-                }
-        }
         spin_unlock(&mdev->epoch_lock);
 
         dp_flags = be32_to_cpu(p->dp_flags);
@@ -1995,10 +1843,11 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
                 break;
         }
 
-        if (mdev->state.pdsk == D_DISKLESS) {
+        if (mdev->state.pdsk < D_INCONSISTENT) {
                 /* In case we have the only disk of the cluster, */
                 drbd_set_out_of_sync(mdev, e->sector, e->size);
                 e->flags |= EE_CALL_AL_COMPLETE_IO;
+                e->flags &= ~EE_MAY_SET_IN_SYNC;
                 drbd_al_begin_io(mdev, e->sector);
         }
 
@@ -3362,7 +3211,7 @@ static int receive_state(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
                 if (ns.conn == C_MASK) {
                         ns.conn = C_CONNECTED;
                         if (mdev->state.disk == D_NEGOTIATING) {
-                                drbd_force_state(mdev, NS(disk, D_DISKLESS));
+                                drbd_force_state(mdev, NS(disk, D_FAILED));
                         } else if (peer_state.disk == D_NEGOTIATING) {
                                 dev_err(DEV, "Disk attach process on the peer node was aborted.\n");
                                 peer_state.disk = D_DISKLESS;
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 9e91a2545fc8..11a75d32a2e2 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -258,7 +258,7 @@ void _req_may_be_done(struct drbd_request *req, struct bio_and_error *m)
                 if (!hlist_unhashed(&req->colision))
                         hlist_del(&req->colision);
                 else
-                        D_ASSERT((s & RQ_NET_MASK) == 0);
+                        D_ASSERT((s & (RQ_NET_MASK & ~RQ_NET_DONE)) == 0);
 
                 /* for writes we need to do some extra housekeeping */
                 if (rw == WRITE)
@@ -813,7 +813,8 @@ static int drbd_make_request_common(struct drbd_conf *mdev, struct bio *bio)
                              mdev->state.conn >= C_CONNECTED));
 
         if (!(local || remote) && !is_susp(mdev->state)) {
-                dev_err(DEV, "IO ERROR: neither local nor remote disk\n");
+                if (__ratelimit(&drbd_ratelimit_state))
+                        dev_err(DEV, "IO ERROR: neither local nor remote disk\n");
                 goto fail_free_complete;
         }
 
@@ -942,12 +943,21 @@ allocate_barrier:
         if (local) {
                 req->private_bio->bi_bdev = mdev->ldev->backing_bdev;
 
-                if (FAULT_ACTIVE(mdev, rw == WRITE ? DRBD_FAULT_DT_WR
-                                     : rw == READ  ? DRBD_FAULT_DT_RD
-                                     :               DRBD_FAULT_DT_RA))
+                /* State may have changed since we grabbed our reference on the
+                 * mdev->ldev member. Double check, and short-circuit to endio.
+                 * In case the last activity log transaction failed to get on
+                 * stable storage, and this is a WRITE, we may not even submit
+                 * this bio. */
+                if (get_ldev(mdev)) {
+                        if (FAULT_ACTIVE(mdev, rw == WRITE ? DRBD_FAULT_DT_WR
+                                             : rw == READ  ? DRBD_FAULT_DT_RD
+                                             :               DRBD_FAULT_DT_RA))
+                                bio_endio(req->private_bio, -EIO);
+                        else
+                                generic_make_request(req->private_bio);
+                        put_ldev(mdev);
+                } else
                         bio_endio(req->private_bio, -EIO);
-                else
-                        generic_make_request(req->private_bio);
         }
 
         /* we need to plug ALWAYS since we possibly need to kick lo_dev.
@@ -1022,20 +1032,6 @@ int drbd_make_request_26(struct request_queue *q, struct bio *bio)
                 return 0;
         }
 
-        /* Reject barrier requests if we know the underlying device does
-         * not support them.
-         * XXX: Need to get this info from peer as well some how so we
-         * XXX: reject if EITHER side/data/metadata area does not support them.
-         *
-         * because of those XXX, this is not yet enabled,
-         * i.e. in drbd_init_set_defaults we set the NO_BARRIER_SUPP bit.
-         */
-        if (unlikely(bio->bi_rw & REQ_HARDBARRIER) && test_bit(NO_BARRIER_SUPP, &mdev->flags)) {
-                /* dev_warn(DEV, "Rejecting barrier request as underlying device does not support\n"); */
-                bio_endio(bio, -EOPNOTSUPP);
-                return 0;
-        }
-
         /*
          * what we "blindly" assume:
          */
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 108d58015cd1..b0551ba7ad0c 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -102,12 +102,6 @@ void drbd_endio_read_sec_final(struct drbd_epoch_entry *e) __releases(local)
         put_ldev(mdev);
 }
 
-static int is_failed_barrier(int ee_flags)
-{
-        return (ee_flags & (EE_IS_BARRIER|EE_WAS_ERROR|EE_RESUBMITTED))
-                        == (EE_IS_BARRIER|EE_WAS_ERROR);
-}
-
 /* writes on behalf of the partner, or resync writes,
  * "submitted" by the receiver, final stage.  */
 static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(local)
@@ -119,21 +113,6 @@ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(lo
         int is_syncer_req;
         int do_al_complete_io;
 
-        /* if this is a failed barrier request, disable use of barriers,
-         * and schedule for resubmission */
-        if (is_failed_barrier(e->flags)) {
-                drbd_bump_write_ordering(mdev, WO_bdev_flush);
-                spin_lock_irqsave(&mdev->req_lock, flags);
-                list_del(&e->w.list);
-                e->flags = (e->flags & ~EE_WAS_ERROR) | EE_RESUBMITTED;
-                e->w.cb = w_e_reissue;
-                /* put_ldev actually happens below, once we come here again. */
-                __release(local);
-                spin_unlock_irqrestore(&mdev->req_lock, flags);
-                drbd_queue_work(&mdev->data.work, &e->w);
-                return;
-        }
-
         D_ASSERT(e->block_id != ID_VACANT);
 
         /* after we moved e to done_ee,
@@ -925,7 +904,7 @@ out:
         drbd_md_sync(mdev);
 
         if (test_and_clear_bit(WRITE_BM_AFTER_RESYNC, &mdev->flags)) {
-                dev_warn(DEV, "Writing the whole bitmap, due to failed kmalloc\n");
+                dev_info(DEV, "Writing the whole bitmap\n");
                 drbd_queue_bitmap_io(mdev, &drbd_bm_write, NULL, "write from resync_finished");
         }
 
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 767107cce982..3951020e494a 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4363,9 +4363,9 @@ out_unreg_blkdev:
 out_put_disk:
         while (dr--) {
                 del_timer(&motor_off_timer[dr]);
-                put_disk(disks[dr]);
                 if (disks[dr]->queue)
                         blk_cleanup_queue(disks[dr]->queue);
+                put_disk(disks[dr]);
         }
         return err;
 }
@@ -4573,8 +4573,8 @@ static void __exit floppy_module_exit(void)
                         device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
                         platform_device_unregister(&floppy_device[drive]);
                 }
-                put_disk(disks[drive]);
                 blk_cleanup_queue(disks[drive]->queue);
+                put_disk(disks[drive]);
         }
 
         del_timer_sync(&fd_timeout);
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 1e5284ef65fa..7ea0bea2f7e3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -481,12 +481,6 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
         if (bio_rw(bio) == WRITE) {
                 struct file *file = lo->lo_backing_file;
 
-                /* REQ_HARDBARRIER is deprecated */
-                if (bio->bi_rw & REQ_HARDBARRIER) {
-                        ret = -EOPNOTSUPP;
-                        goto out;
-                }
-
                 if (bio->bi_rw & REQ_FLUSH) {
                         ret = vfs_fsync(file, 0);
                         if (unlikely(ret && ret != -EINVAL)) {
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 06e2812ba124..255035cfc88a 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -289,8 +289,6 @@ static int blkif_queue_request(struct request *req)
 
         ring_req->operation = rq_data_dir(req) ?
                 BLKIF_OP_WRITE : BLKIF_OP_READ;
-        if (req->cmd_flags & REQ_HARDBARRIER)
-                ring_req->operation = BLKIF_OP_WRITE_BARRIER;
 
         ring_req->nr_segments = blk_rq_map_sg(req->q, req, info->sg);
         BUG_ON(ring_req->nr_segments > BLKIF_MAX_SEGMENTS_PER_REQUEST);
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 3a9c01416839..ba53ec956c95 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -2,24 +2,10 @@
 # Makefile for the kernel character device drivers.
 #
 
-#
-# This file contains the font map for the default (hardware) font
-#
-FONTMAPFILE = cp437.uni
-
-obj-y    += mem.o random.o tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o tty_buffer.o tty_port.o
-
-obj-y                           += tty_mutex.o
-obj-$(CONFIG_LEGACY_PTYS)       += pty.o
-obj-$(CONFIG_UNIX98_PTYS)       += pty.o
+obj-y                           += mem.o random.o
 obj-$(CONFIG_TTY_PRINTK)        += ttyprintk.o
 obj-y                           += misc.o
-obj-$(CONFIG_VT)                += vt_ioctl.o vc_screen.o selection.o keyboard.o
 obj-$(CONFIG_BFIN_JTAG_COMM)    += bfin_jtag_comm.o
-obj-$(CONFIG_CONSOLE_TRANSLATIONS) += consolemap.o consolemap_deftbl.o
-obj-$(CONFIG_HW_CONSOLE)        += vt.o defkeymap.o
-obj-$(CONFIG_AUDIT)             += tty_audit.o
-obj-$(CONFIG_MAGIC_SYSRQ)       += sysrq.o
 obj-$(CONFIG_MVME147_SCC)       += generic_serial.o vme_scc.o
 obj-$(CONFIG_MVME162_SCC)       += generic_serial.o vme_scc.o
 obj-$(CONFIG_BVME6000_SCC)      += generic_serial.o vme_scc.o
@@ -41,8 +27,6 @@ obj-$(CONFIG_ISI)		+= isicom.o
 obj-$(CONFIG_SYNCLINK)          += synclink.o
 obj-$(CONFIG_SYNCLINKMP)        += synclinkmp.o
 obj-$(CONFIG_SYNCLINK_GT)       += synclink_gt.o
-obj-$(CONFIG_N_HDLC)            += n_hdlc.o
-obj-$(CONFIG_N_GSM)             += n_gsm.o
 obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o
 obj-$(CONFIG_SX)                += sx.o generic_serial.o
 obj-$(CONFIG_RIO)               += rio/ generic_serial.o
@@ -74,7 +58,6 @@ obj-$(CONFIG_PRINTER)		+= lp.o
 obj-$(CONFIG_APM_EMULATION)     += apm-emulation.o
 
 obj-$(CONFIG_DTLK)              += dtlk.o
-obj-$(CONFIG_R3964)             += n_r3964.o
 obj-$(CONFIG_APPLICOM)          += applicom.o
 obj-$(CONFIG_SONYPI)            += sonypi.o
 obj-$(CONFIG_RTC)               += rtc.o
@@ -115,28 +98,3 @@ obj-$(CONFIG_RAMOOPS)		+= ramoops.o
 
 obj-$(CONFIG_JS_RTC)            += js-rtc.o
 js-rtc-y = rtc.o
-
-# Files generated that shall be removed upon make clean
-clean-files := consolemap_deftbl.c defkeymap.c
-
-quiet_cmd_conmk = CONMK   $@
-      cmd_conmk = scripts/conmakehash $< > $@
-
-$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE)
-        $(call cmd,conmk)
-
-$(obj)/defkeymap.o:  $(obj)/defkeymap.c
-
-# Uncomment if you're changing the keymap and have an appropriate
-# loadkeys version for the map. By default, we'll use the shipped
-# versions.
-# GENERATE_KEYMAP := 1
-
-ifdef GENERATE_KEYMAP
-
-$(obj)/defkeymap.c: $(obj)/%.c: $(src)/%.map
-        loadkeys --mktable $< > $@.tmp
-        sed -e 's/^static *//' $@.tmp > $@
-        rm $@.tmp
-
-endif
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 6b6760ea2435..9272c38dd3c6 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1210,14 +1210,14 @@ static void gen6_write_entry(dma_addr_t addr, unsigned int entry,
         unsigned int gfdt = flags & AGP_USER_CACHED_MEMORY_GFDT;
         u32 pte_flags;
 
-        if (type_mask == AGP_USER_UNCACHED_MEMORY)
+        if (type_mask == AGP_USER_MEMORY)
                 pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID;
         else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) {
-                pte_flags = GEN6_PTE_LLC | I810_PTE_VALID;
+                pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID;
                 if (gfdt)
                         pte_flags |= GEN6_PTE_GFDT;
         } else { /* set 'normal'/'cached' to LLC by default */
-                pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID;
+                pte_flags = GEN6_PTE_LLC | I810_PTE_VALID;
                 if (gfdt)
                         pte_flags |= GEN6_PTE_GFDT;
         }
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index a44611652282..d68d3aa1814b 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -616,13 +616,9 @@ static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev)
         /* get hold of clock */
         p->clk = clk_get(&p->pdev->dev, "cmt_fck");
         if (IS_ERR(p->clk)) {
-                dev_warn(&p->pdev->dev, "using deprecated clock lookup\n");
-                p->clk = clk_get(&p->pdev->dev, cfg->clk);
-                if (IS_ERR(p->clk)) {
-                        dev_err(&p->pdev->dev, "cannot get clock\n");
-                        ret = PTR_ERR(p->clk);
-                        goto err1;
-                }
+                dev_err(&p->pdev->dev, "cannot get clock\n");
+                ret = PTR_ERR(p->clk);
+                goto err1;
         }
 
         if (resource_size(res) == 6) {
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index ef7a5be8a09f..40630cb98237 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -287,13 +287,9 @@ static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev)
         /* get hold of clock */
         p->clk = clk_get(&p->pdev->dev, "mtu2_fck");
         if (IS_ERR(p->clk)) {
-                dev_warn(&p->pdev->dev, "using deprecated clock lookup\n");
-                p->clk = clk_get(&p->pdev->dev, cfg->clk);
-                if (IS_ERR(p->clk)) {
-                        dev_err(&p->pdev->dev, "cannot get clock\n");
-                        ret = PTR_ERR(p->clk);
-                        goto err1;
-                }
+                dev_err(&p->pdev->dev, "cannot get clock\n");
+                ret = PTR_ERR(p->clk);
+                goto err1;
         }
 
         return sh_mtu2_register(p, (char *)dev_name(&p->pdev->dev),
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index de715901b82a..36aba9923060 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -393,13 +393,9 @@ static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev)
         /* get hold of clock */
         p->clk = clk_get(&p->pdev->dev, "tmu_fck");
         if (IS_ERR(p->clk)) {
-                dev_warn(&p->pdev->dev, "using deprecated clock lookup\n");
-                p->clk = clk_get(&p->pdev->dev, cfg->clk);
-                if (IS_ERR(p->clk)) {
-                        dev_err(&p->pdev->dev, "cannot get clock\n");
-                        ret = PTR_ERR(p->clk);
-                        goto err1;
-                }
+                dev_err(&p->pdev->dev, "cannot get clock\n");
+                ret = PTR_ERR(p->clk);
+                goto err1;
         }
 
         return sh_tmu_register(p, (char *)dev_name(&p->pdev->dev),
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 9dcb17d51aee..84eb607d6c03 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -577,17 +577,11 @@ static int ohci_update_phy_reg(struct fw_card *card, int addr,
         return ret;
 }
 
-static int ar_context_add_page(struct ar_context *ctx)
+static void ar_context_link_page(struct ar_context *ctx,
+                                 struct ar_buffer *ab, dma_addr_t ab_bus)
 {
-        struct device *dev = ctx->ohci->card.device;
-        struct ar_buffer *ab;
-        dma_addr_t uninitialized_var(ab_bus);
         size_t offset;
 
-        ab = dma_alloc_coherent(dev, PAGE_SIZE, &ab_bus, GFP_ATOMIC);
-        if (ab == NULL)
-                return -ENOMEM;
-
         ab->next = NULL;
         memset(&ab->descriptor, 0, sizeof(ab->descriptor));
         ab->descriptor.control        = cpu_to_le16(DESCRIPTOR_INPUT_MORE |
@@ -606,6 +600,19 @@ static int ar_context_add_page(struct ar_context *ctx)
 
         reg_write(ctx->ohci, CONTROL_SET(ctx->regs), CONTEXT_WAKE);
         flush_writes(ctx->ohci);
+}
+
+static int ar_context_add_page(struct ar_context *ctx)
+{
+        struct device *dev = ctx->ohci->card.device;
+        struct ar_buffer *ab;
+        dma_addr_t uninitialized_var(ab_bus);
+
+        ab = dma_alloc_coherent(dev, PAGE_SIZE, &ab_bus, GFP_ATOMIC);
+        if (ab == NULL)
+                return -ENOMEM;
+
+        ar_context_link_page(ctx, ab, ab_bus);
 
         return 0;
 }
@@ -730,16 +737,17 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
 static void ar_context_tasklet(unsigned long data)
 {
         struct ar_context *ctx = (struct ar_context *)data;
-        struct fw_ohci *ohci = ctx->ohci;
         struct ar_buffer *ab;
         struct descriptor *d;
         void *buffer, *end;
+        __le16 res_count;
 
         ab = ctx->current_buffer;
         d = &ab->descriptor;
 
-        if (d->res_count == 0) {
-                size_t size, rest, offset;
+        res_count = ACCESS_ONCE(d->res_count);
+        if (res_count == 0) {
+                size_t size, size2, rest, pktsize, size3, offset;
                 dma_addr_t start_bus;
                 void *start;
 
@@ -750,29 +758,63 @@ static void ar_context_tasklet(unsigned long data)
                  */
 
                 offset = offsetof(struct ar_buffer, data);
-                start = buffer = ab;
+                start = ab;
                 start_bus = le32_to_cpu(ab->descriptor.data_address) - offset;
+                buffer = ab->data;
 
                 ab = ab->next;
                 d = &ab->descriptor;
-                size = buffer + PAGE_SIZE - ctx->pointer;
+                size = start + PAGE_SIZE - ctx->pointer;
+                /* valid buffer data in the next page */
                 rest = le16_to_cpu(d->req_count) - le16_to_cpu(d->res_count);
+                /* what actually fits in this page */
+                size2 = min(rest, (size_t)PAGE_SIZE - offset - size);
                 memmove(buffer, ctx->pointer, size);
-                memcpy(buffer + size, ab->data, rest);
-                ctx->current_buffer = ab;
-                ctx->pointer = (void *) ab->data + rest;
-                end = buffer + size + rest;
+                memcpy(buffer + size, ab->data, size2);
+
+                while (size > 0) {
+                        void *next = handle_ar_packet(ctx, buffer);
+                        pktsize = next - buffer;
+                        if (pktsize >= size) {
+                                /*
+                                 * We have handled all the data that was
+                                 * originally in this page, so we can now
+                                 * continue in the next page.
+                                 */
+                                buffer = next;
+                                break;
+                        }
+                        /* move the next packet to the start of the buffer */
+                        memmove(buffer, next, size + size2 - pktsize);
+                        size -= pktsize;
+                        /* fill up this page again */
+                        size3 = min(rest - size2,
+                                    (size_t)PAGE_SIZE - offset - size - size2);
+                        memcpy(buffer + size + size2,
+                               (void *) ab->data + size2, size3);
+                        size2 += size3;
+                }
 
-                while (buffer < end)
-                        buffer = handle_ar_packet(ctx, buffer);
+                if (rest > 0) {
+                        /* handle the packets that are fully in the next page */
+                        buffer = (void *) ab->data +
+                                        (buffer - (start + offset + size));
+                        end = (void *) ab->data + rest;
+
+                        while (buffer < end)
+                                buffer = handle_ar_packet(ctx, buffer);
 
-                dma_free_coherent(ohci->card.device, PAGE_SIZE,
-                                  start, start_bus);
-                ar_context_add_page(ctx);
+                        ctx->current_buffer = ab;
+                        ctx->pointer = end;
+
+                        ar_context_link_page(ctx, start, start_bus);
+                } else {
+                        ctx->pointer = start + PAGE_SIZE;
+                }
         } else {
                 buffer = ctx->pointer;
                 ctx->pointer = end =
-                        (void *) ab + PAGE_SIZE - le16_to_cpu(d->res_count);
+                        (void *) ab + PAGE_SIZE - le16_to_cpu(res_count);
 
                 while (buffer < end)
                         buffer = handle_ar_packet(ctx, buffer);
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index dcbeb98f195a..f7af91cb273d 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -276,7 +276,7 @@ static bool drm_encoder_crtc_ok(struct drm_encoder *encoder,
         struct drm_crtc *tmp;
         int crtc_mask = 1;
 
-        WARN(!crtc, "checking null crtc?");
+        WARN(!crtc, "checking null crtc?\n");
 
         dev = crtc->dev;
 
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c1a26217a530..a245d17165ae 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -240,7 +240,7 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf,
                         .addr   = DDC_ADDR,
                         .flags  = I2C_M_RD,
                         .len    = len,
-                        .buf    = buf + start,
+                        .buf    = buf,
                 }
         };
 
@@ -253,7 +253,7 @@ drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf,
 static u8 *
 drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
 {
-        int i, j = 0;
+        int i, j = 0, valid_extensions = 0;
         u8 *block, *new;
 
         if ((block = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
@@ -280,14 +280,28 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
 
         for (j = 1; j <= block[0x7e]; j++) {
                 for (i = 0; i < 4; i++) {
-                        if (drm_do_probe_ddc_edid(adapter, block, j,
-                                                  EDID_LENGTH))
+                        if (drm_do_probe_ddc_edid(adapter,
+                                  block + (valid_extensions + 1) * EDID_LENGTH,
+                                  j, EDID_LENGTH))
                                 goto out;
-                        if (drm_edid_block_valid(block + j * EDID_LENGTH))
+                        if (drm_edid_block_valid(block + (valid_extensions + 1) * EDID_LENGTH)) {
+                                valid_extensions++;
                                 break;
+                        }
                 }
                 if (i == 4)
-                        goto carp;
+                        dev_warn(connector->dev->dev,
+                         "%s: Ignoring invalid EDID block %d.\n",
+                         drm_get_connector_name(connector), j);
+        }
+
+        if (valid_extensions != block[0x7e]) {
+                block[EDID_LENGTH-1] += block[0x7e] - valid_extensions;
+                block[0x7e] = valid_extensions;
+                new = krealloc(block, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
+                if (!new)
+                        goto out;
+                block = new;
         }
 
         return block;
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 3467dd420760..80745f85902c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -44,7 +44,7 @@ unsigned int i915_fbpercrtc = 0;
 module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
 
 unsigned int i915_powersave = 1;
-module_param_named(powersave, i915_powersave, int, 0400);
+module_param_named(powersave, i915_powersave, int, 0600);
 
 unsigned int i915_lvds_downclock = 0;
 module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2c2c19b6285e..90414ae86afc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1321,6 +1321,7 @@ static inline void i915_write(struct drm_i915_private *dev_priv, u32 reg,
 
 #define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
 #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
+#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
 
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8eb8453208b5..ef188e391406 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2172,7 +2172,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
 static int i915_ring_idle(struct drm_device *dev,
                           struct intel_ring_buffer *ring)
 {
-        if (list_empty(&ring->gpu_write_list))
+        if (list_empty(&ring->gpu_write_list) && list_empty(&ring->active_list))
                 return 0;
 
         i915_gem_flush_ring(dev, NULL, ring,
@@ -2190,9 +2190,7 @@ i915_gpu_idle(struct drm_device *dev)
         int ret;
 
         lists_empty = (list_empty(&dev_priv->mm.flushing_list) &&
-                       list_empty(&dev_priv->render_ring.active_list) &&
-                       list_empty(&dev_priv->bsd_ring.active_list) &&
-                       list_empty(&dev_priv->blt_ring.active_list));
+                       list_empty(&dev_priv->mm.active_list));
         if (lists_empty)
                 return 0;
 
@@ -3108,7 +3106,8 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj,
          * write domain
          */
         if (obj->write_domain &&
-            obj->write_domain != obj->pending_read_domains) {
+            (obj->write_domain != obj->pending_read_domains ||
+             obj_priv->ring != ring)) {
                 flush_domains |= obj->write_domain;
                 invalidate_domains |=
                         obj->pending_read_domains & ~obj->write_domain;
@@ -3497,6 +3496,52 @@ i915_gem_execbuffer_pin(struct drm_device *dev,
         return 0;
 }
 
+static int
+i915_gem_execbuffer_move_to_gpu(struct drm_device *dev,
+                                struct drm_file *file,
+                                struct intel_ring_buffer *ring,
+                                struct drm_gem_object **objects,
+                                int count)
+{
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        int ret, i;
+
+        /* Zero the global flush/invalidate flags. These
+         * will be modified as new domains are computed
+         * for each object
+         */
+        dev->invalidate_domains = 0;
+        dev->flush_domains = 0;
+        dev_priv->mm.flush_rings = 0;
+        for (i = 0; i < count; i++)
+                i915_gem_object_set_to_gpu_domain(objects[i], ring);
+
+        if (dev->invalidate_domains | dev->flush_domains) {
+#if WATCH_EXEC
+                DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
+                          __func__,
+                         dev->invalidate_domains,
+                         dev->flush_domains);
+#endif
+                i915_gem_flush(dev, file,
+                               dev->invalidate_domains,
+                               dev->flush_domains,
+                               dev_priv->mm.flush_rings);
+        }
+
+        for (i = 0; i < count; i++) {
+                struct drm_i915_gem_object *obj = to_intel_bo(objects[i]);
+                /* XXX replace with semaphores */
+                if (obj->ring && ring != obj->ring) {
+                        ret = i915_gem_object_wait_rendering(&obj->base, true);
+                        if (ret)
+                                return ret;
+                }
+        }
+
+        return 0;
+}
+
 /* Throttle our rendering by waiting until the ring has completed our requests
  * emitted over 20 msec ago.
  *
@@ -3757,33 +3802,10 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                 goto err;
         }
 
-        /* Zero the global flush/invalidate flags. These
-         * will be modified as new domains are computed
-         * for each object
-         */
-        dev->invalidate_domains = 0;
-        dev->flush_domains = 0;
-        dev_priv->mm.flush_rings = 0;
-
-        for (i = 0; i < args->buffer_count; i++) {
-                struct drm_gem_object *obj = object_list[i];
-
-                /* Compute new gpu domains and update invalidate/flush */
-                i915_gem_object_set_to_gpu_domain(obj, ring);
-        }
-
-        if (dev->invalidate_domains | dev->flush_domains) {
-#if WATCH_EXEC
-                DRM_INFO("%s: invalidate_domains %08x flush_domains %08x\n",
-                          __func__,
-                         dev->invalidate_domains,
-                         dev->flush_domains);
-#endif
-                i915_gem_flush(dev, file,
-                               dev->invalidate_domains,
-                               dev->flush_domains,
-                               dev_priv->mm.flush_rings);
-        }
+        ret = i915_gem_execbuffer_move_to_gpu(dev, file, ring,
+                                              object_list, args->buffer_count);
+        if (ret)
+                goto err;
 
         for (i = 0; i < args->buffer_count; i++) {
                 struct drm_gem_object *obj = object_list[i];
@@ -4043,8 +4065,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
                         alignment = i915_gem_get_gtt_alignment(obj);
                 if (obj_priv->gtt_offset & (alignment - 1)) {
                         WARN(obj_priv->pin_count,
-                             "bo is already pinned with incorrect alignment:"
-                             " offset=%x, req.alignment=%x\n",
+                             "bo is already pinned with incorrect alignment: offset=%x, req.alignment=%x\n",
                              obj_priv->gtt_offset, alignment);
                         ret = i915_gem_object_unbind(obj);
                         if (ret)
@@ -4856,17 +4877,24 @@ i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
                      struct drm_file *file_priv)
 {
         struct drm_i915_gem_object *obj_priv = to_intel_bo(obj);
-        void *obj_addr;
-        int ret;
-        char __user *user_data;
+        void *vaddr = obj_priv->phys_obj->handle->vaddr + args->offset;
+        char __user *user_data = (char __user *) (uintptr_t) args->data_ptr;
 
-        user_data = (char __user *) (uintptr_t) args->data_ptr;
-        obj_addr = obj_priv->phys_obj->handle->vaddr + args->offset;
+        DRM_DEBUG_DRIVER("vaddr %p, %lld\n", vaddr, args->size);
 
-        DRM_DEBUG_DRIVER("obj_addr %p, %lld\n", obj_addr, args->size);
-        ret = copy_from_user(obj_addr, user_data, args->size);
-        if (ret)
-                return -EFAULT;
+        if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) {
+                unsigned long unwritten;
+
+                /* The physical object once assigned is fixed for the lifetime
+                 * of the obj, so we can safely drop the lock and continue
+                 * to access vaddr.
+                 */
+                mutex_unlock(&dev->struct_mutex);
+                unwritten = copy_from_user(vaddr, user_data, args->size);
+                mutex_lock(&dev->struct_mutex);
+                if (unwritten)
+                        return -EFAULT;
+        }
 
         drm_agp_chipset_flush(dev);
         return 0;
@@ -4900,9 +4928,7 @@ i915_gpu_is_active(struct drm_device *dev)
         int lists_empty;
 
         lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
-                      list_empty(&dev_priv->render_ring.active_list) &&
-                      list_empty(&dev_priv->bsd_ring.active_list) &&
-                      list_empty(&dev_priv->blt_ring.active_list);
+                      list_empty(&dev_priv->mm.active_list);
 
         return !lists_empty;
 }
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 43a4013f53fa..d8ae7d1d0cc6 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -165,9 +165,7 @@ i915_gem_evict_everything(struct drm_device *dev)
 
         lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
                        list_empty(&dev_priv->mm.flushing_list) &&
-                       list_empty(&dev_priv->render_ring.active_list) &&
-                       list_empty(&dev_priv->bsd_ring.active_list) &&
-                       list_empty(&dev_priv->blt_ring.active_list));
+                       list_empty(&dev_priv->mm.active_list));
         if (lists_empty)
                 return -ENOSPC;
 
@@ -184,9 +182,7 @@ i915_gem_evict_everything(struct drm_device *dev)
 
         lists_empty = (list_empty(&dev_priv->mm.inactive_list) &&
                        list_empty(&dev_priv->mm.flushing_list) &&
-                       list_empty(&dev_priv->render_ring.active_list) &&
-                       list_empty(&dev_priv->bsd_ring.active_list) &&
-                       list_empty(&dev_priv->blt_ring.active_list));
+                       list_empty(&dev_priv->mm.active_list));
         BUG_ON(!lists_empty);
 
         return 0;
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 989c19d2d959..454c064f8ef7 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -862,8 +862,10 @@ int i915_restore_state(struct drm_device *dev)
         /* Clock gating state */
         intel_init_clock_gating(dev);
 
-        if (HAS_PCH_SPLIT(dev))
+        if (HAS_PCH_SPLIT(dev)) {
                 ironlake_enable_drps(dev);
+                intel_init_emon(dev);
+        }
 
         /* Cache mode state */
         I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 990f065374b2..48d8fd686ea9 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1681,6 +1681,37 @@ static void ironlake_set_pll_edp(struct drm_crtc *crtc, int clock)
         udelay(500);
 }
 
+static void intel_fdi_normal_train(struct drm_crtc *crtc)
+{
+        struct drm_device *dev = crtc->dev;
+        struct drm_i915_private *dev_priv = dev->dev_private;
+        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+        int pipe = intel_crtc->pipe;
+        u32 reg, temp;
+
+        /* enable normal train */
+        reg = FDI_TX_CTL(pipe);
+        temp = I915_READ(reg);
+        temp &= ~FDI_LINK_TRAIN_NONE;
+        temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE;
+        I915_WRITE(reg, temp);
+
+        reg = FDI_RX_CTL(pipe);
+        temp = I915_READ(reg);
+        if (HAS_PCH_CPT(dev)) {
+                temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
+                temp |= FDI_LINK_TRAIN_NORMAL_CPT;
+        } else {
+                temp &= ~FDI_LINK_TRAIN_NONE;
+                temp |= FDI_LINK_TRAIN_NONE;
+        }
+        I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
+
+        /* wait one idle pattern time */
+        POSTING_READ(reg);
+        udelay(1000);
+}
+
 /* The FDI link training functions for ILK/Ibexpeak. */
 static void ironlake_fdi_link_train(struct drm_crtc *crtc)
 {
@@ -1767,27 +1798,6 @@ static void ironlake_fdi_link_train(struct drm_crtc *crtc)
 
         DRM_DEBUG_KMS("FDI train done\n");
 
-        /* enable normal train */
-        reg = FDI_TX_CTL(pipe);
-        temp = I915_READ(reg);
-        temp &= ~FDI_LINK_TRAIN_NONE;
-        temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE;
-        I915_WRITE(reg, temp);
-
-        reg = FDI_RX_CTL(pipe);
-        temp = I915_READ(reg);
-        if (HAS_PCH_CPT(dev)) {
-                temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT;
-                temp |= FDI_LINK_TRAIN_NORMAL_CPT;
-        } else {
-                temp &= ~FDI_LINK_TRAIN_NONE;
-                temp |= FDI_LINK_TRAIN_NONE;
-        }
-        I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE);
-
-        /* wait one idle pattern time */
-        POSTING_READ(reg);
-        udelay(1000);
 }
 
 static const int const snb_b_fdi_train_param [] = {
@@ -2090,6 +2100,8 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
         I915_WRITE(TRANS_VBLANK(pipe), I915_READ(VBLANK(pipe)));
         I915_WRITE(TRANS_VSYNC(pipe),  I915_READ(VSYNC(pipe)));
 
+        intel_fdi_normal_train(crtc);
+
         /* For PCH DP, enable TRANS_DP_CTL */
         if (HAS_PCH_CPT(dev) &&
             intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
@@ -2200,9 +2212,10 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
         udelay(100);
 
         /* Ironlake workaround, disable clock pointer after downing FDI */
-        I915_WRITE(FDI_RX_CHICKEN(pipe),
-                   I915_READ(FDI_RX_CHICKEN(pipe) &
-                             ~FDI_RX_PHASE_SYNC_POINTER_ENABLE));
+        if (HAS_PCH_IBX(dev))
+                I915_WRITE(FDI_RX_CHICKEN(pipe),
+                           I915_READ(FDI_RX_CHICKEN(pipe) &
+                                     ~FDI_RX_PHASE_SYNC_POINTER_ENABLE));
 
         /* still set train pattern 1 */
         reg = FDI_TX_CTL(pipe);
@@ -5581,20 +5594,19 @@ void ironlake_enable_drps(struct drm_device *dev)
         fmin = (rgvmodectl & MEMMODE_FMIN_MASK);
         fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
                 MEMMODE_FSTART_SHIFT;
-        fstart = fmax;
 
         vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >>
                 PXVFREQ_PX_SHIFT;
 
-        dev_priv->fmax = fstart; /* IPS callback will increase this */
+        dev_priv->fmax = fmax; /* IPS callback will increase this */
         dev_priv->fstart = fstart;
 
-        dev_priv->max_delay = fmax;
+        dev_priv->max_delay = fstart;
         dev_priv->min_delay = fmin;
         dev_priv->cur_delay = fstart;
 
-        DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n", fmax, fmin,
-                         fstart);
+        DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n",
+                         fmax, fmin, fstart);
 
         I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN);
 
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 891f4f1d63b1..c8e005553310 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1517,7 +1517,7 @@ g4x_dp_detect(struct intel_dp *intel_dp)
                         status = connector_status_connected;
         }
 
-        return bit;
+        return status;
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 9af9f86a8765..21551fe74541 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -296,6 +296,7 @@ extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 extern void intel_init_clock_gating(struct drm_device *dev);
 extern void ironlake_enable_drps(struct drm_device *dev);
 extern void ironlake_disable_drps(struct drm_device *dev);
+extern void intel_init_emon(struct drm_device *dev);
 
 extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
                                       struct drm_gem_object *obj,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index f1a649990ea9..4324a326f98e 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -481,11 +481,8 @@ static int intel_lvds_get_modes(struct drm_connector *connector)
         struct drm_device *dev = connector->dev;
         struct drm_display_mode *mode;
 
-        if (intel_lvds->edid) {
-                drm_mode_connector_update_edid_property(connector,
-                                                        intel_lvds->edid);
+        if (intel_lvds->edid)
                 return drm_add_edid_modes(connector, intel_lvds->edid);
-        }
 
         mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode);
         if (mode == 0)
@@ -939,7 +936,16 @@ void intel_lvds_init(struct drm_device *dev)
          */
         intel_lvds->edid = drm_get_edid(connector,
                                         &dev_priv->gmbus[pin].adapter);
-
+        if (intel_lvds->edid) {
+                if (drm_add_edid_modes(connector,
+                                       intel_lvds->edid)) {
+                        drm_mode_connector_update_edid_property(connector,
+                                                                intel_lvds->edid);
+                } else {
+                        kfree(intel_lvds->edid);
+                        intel_lvds->edid = NULL;
+                }
+        }
         if (!intel_lvds->edid) {
                 /* Didn't get an EDID, so
                  * Set wide sync ranges so we get all modes
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 917c7dc3cd6b..9b0d9a867aea 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -512,6 +512,6 @@ int intel_opregion_setup(struct drm_device *dev)
         return 0;
 
 err_out:
-        iounmap(opregion->header);
+        iounmap(base);
         return err;
 }
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index afb96d25219a..02ff0a481f47 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -946,7 +946,9 @@ static int check_overlay_src(struct drm_device *dev,
 {
         int uv_hscale = uv_hsubsampling(rec->flags);
         int uv_vscale = uv_vsubsampling(rec->flags);
-        u32 stride_mask, depth, tmp;
+        u32 stride_mask;
+        int depth;
+        u32 tmp;
 
         /* check src dimensions */
         if (IS_845G(dev) || IS_I830(dev)) {
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 09f2dc353ae2..b83306f9244b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -177,7 +177,7 @@ static int init_ring_common(struct drm_device *dev,
 
         I915_WRITE_CTL(ring,
                         ((ring->gem_object->size - PAGE_SIZE) & RING_NR_PAGES)
-                        | RING_NO_REPORT | RING_VALID);
+                        | RING_REPORT_64K | RING_VALID);
 
         head = I915_READ_HEAD(ring) & HEAD_ADDR;
         /* If the head is still not zero, the ring is dead */
@@ -654,6 +654,10 @@ void intel_cleanup_ring_buffer(struct drm_device *dev,
         i915_gem_object_unpin(ring->gem_object);
         drm_gem_object_unreference(ring->gem_object);
         ring->gem_object = NULL;
+
+        if (ring->cleanup)
+                ring->cleanup(ring);
+
         cleanup_status_page(dev, ring);
 }
 
@@ -688,6 +692,17 @@ int intel_wait_ring_buffer(struct drm_device *dev,
 {
         unsigned long end;
         drm_i915_private_t *dev_priv = dev->dev_private;
+        u32 head;
+
+        head = intel_read_status_page(ring, 4);
+        if (head) {
+                ring->head = head & HEAD_ADDR;
+                ring->space = ring->head - (ring->tail + 8);
+                if (ring->space < 0)
+                        ring->space += ring->size;
+                if (ring->space >= n)
+                        return 0;
+        }
 
         trace_i915_ring_wait_begin (dev);
         end = jiffies + 3 * HZ;
@@ -854,19 +869,125 @@ blt_ring_put_user_irq(struct drm_device *dev,
         /* do nothing */
 }
 
+
+/* Workaround for some stepping of SNB,
+ * each time when BLT engine ring tail moved,
+ * the first command in the ring to be parsed
+ * should be MI_BATCH_BUFFER_START
+ */
+#define NEED_BLT_WORKAROUND(dev) \
+        (IS_GEN6(dev) && (dev->pdev->revision < 8))
+
+static inline struct drm_i915_gem_object *
+to_blt_workaround(struct intel_ring_buffer *ring)
+{
+        return ring->private;
+}
+
+static int blt_ring_init(struct drm_device *dev,
+                         struct intel_ring_buffer *ring)
+{
+        if (NEED_BLT_WORKAROUND(dev)) {
+                struct drm_i915_gem_object *obj;
+                u32 __iomem *ptr;
+                int ret;
+
+                obj = to_intel_bo(i915_gem_alloc_object(dev, 4096));
+                if (obj == NULL)
+                        return -ENOMEM;
+
+                ret = i915_gem_object_pin(&obj->base, 4096);
+                if (ret) {
+                        drm_gem_object_unreference(&obj->base);
+                        return ret;
+                }
+
+                ptr = kmap(obj->pages[0]);
+                iowrite32(MI_BATCH_BUFFER_END, ptr);
+                iowrite32(MI_NOOP, ptr+1);
+                kunmap(obj->pages[0]);
+
+                ret = i915_gem_object_set_to_gtt_domain(&obj->base, false);
+                if (ret) {
+                        i915_gem_object_unpin(&obj->base);
+                        drm_gem_object_unreference(&obj->base);
+                        return ret;
+                }
+
+                ring->private = obj;
+        }
+
+        return init_ring_common(dev, ring);
+}
+
+static void blt_ring_begin(struct drm_device *dev,
+                           struct intel_ring_buffer *ring,
+                          int num_dwords)
+{
+        if (ring->private) {
+                intel_ring_begin(dev, ring, num_dwords+2);
+                intel_ring_emit(dev, ring, MI_BATCH_BUFFER_START);
+                intel_ring_emit(dev, ring, to_blt_workaround(ring)->gtt_offset);
+        } else
+                intel_ring_begin(dev, ring, 4);
+}
+
+static void blt_ring_flush(struct drm_device *dev,
+                           struct intel_ring_buffer *ring,
+                           u32 invalidate_domains,
+                           u32 flush_domains)
+{
+        blt_ring_begin(dev, ring, 4);
+        intel_ring_emit(dev, ring, MI_FLUSH_DW);
+        intel_ring_emit(dev, ring, 0);
+        intel_ring_emit(dev, ring, 0);
+        intel_ring_emit(dev, ring, 0);
+        intel_ring_advance(dev, ring);
+}
+
+static u32
+blt_ring_add_request(struct drm_device *dev,
+                     struct intel_ring_buffer *ring,
+                     u32 flush_domains)
+{
+        u32 seqno = i915_gem_get_seqno(dev);
+
+        blt_ring_begin(dev, ring, 4);
+        intel_ring_emit(dev, ring, MI_STORE_DWORD_INDEX);
+        intel_ring_emit(dev, ring,
+                        I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+        intel_ring_emit(dev, ring, seqno);
+        intel_ring_emit(dev, ring, MI_USER_INTERRUPT);
+        intel_ring_advance(dev, ring);
+
+        DRM_DEBUG_DRIVER("%s %d\n", ring->name, seqno);
+        return seqno;
+}
+
+static void blt_ring_cleanup(struct intel_ring_buffer *ring)
+{
+        if (!ring->private)
+                return;
+
+        i915_gem_object_unpin(ring->private);
+        drm_gem_object_unreference(ring->private);
+        ring->private = NULL;
+}
+
 static const struct intel_ring_buffer gen6_blt_ring = {
        .name                    = "blt ring",
        .id                      = RING_BLT,
        .mmio_base               = BLT_RING_BASE,
        .size                    = 32 * PAGE_SIZE,
-       .init                    = init_ring_common,
+       .init                    = blt_ring_init,
        .write_tail              = ring_write_tail,
-       .flush                   = gen6_ring_flush,
-       .add_request             = ring_add_request,
+       .flush                   = blt_ring_flush,
+       .add_request             = blt_ring_add_request,
        .get_seqno               = ring_status_page_get_seqno,
        .user_irq_get            = blt_ring_get_user_irq,
        .user_irq_put            = blt_ring_put_user_irq,
        .dispatch_gem_execbuffer = gen6_ring_dispatch_gem_execbuffer,
+       .cleanup                 = blt_ring_cleanup,
 };
 
 int intel_init_render_ring_buffer(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index a05aff0e5764..3126c2681983 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -63,6 +63,7 @@ struct  intel_ring_buffer {
                         struct drm_i915_gem_execbuffer2 *exec,
                         struct drm_clip_rect *cliprects,
                         uint64_t exec_offset);
+        void            (*cleanup)(struct intel_ring_buffer *ring);
 
         /**
          * List of objects currently involved in rendering from the
@@ -98,6 +99,8 @@ struct  intel_ring_buffer {
 
         wait_queue_head_t irq_queue;
         drm_local_map_t map;
+
+        void *private;
 };
 
 static inline u32
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index f12a5b3ec050..488c36c8f5e6 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2033,7 +2033,7 @@ int evergreen_irq_set(struct radeon_device *rdev)
         u32 grbm_int_cntl = 0;
 
         if (!rdev->irq.installed) {
-                WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+                WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
                 return -EINVAL;
         }
         /* don't enable anything if the ih is disabled */
@@ -2295,6 +2295,7 @@ restart_ih:
                         case 0: /* D1 vblank */
                                 if (disp_int & LB_D1_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 0);
+                                        rdev->pm.vblank_sync = true;
                                         wake_up(&rdev->irq.vblank_queue);
                                         disp_int &= ~LB_D1_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D1 vblank\n");
@@ -2316,6 +2317,7 @@ restart_ih:
                         case 0: /* D2 vblank */
                                 if (disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 1);
+                                        rdev->pm.vblank_sync = true;
                                         wake_up(&rdev->irq.vblank_queue);
                                         disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D2 vblank\n");
@@ -2337,6 +2339,7 @@ restart_ih:
                         case 0: /* D3 vblank */
                                 if (disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 2);
+                                        rdev->pm.vblank_sync = true;
                                         wake_up(&rdev->irq.vblank_queue);
                                         disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D3 vblank\n");
@@ -2358,6 +2361,7 @@ restart_ih:
                         case 0: /* D4 vblank */
                                 if (disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 3);
+                                        rdev->pm.vblank_sync = true;
                                         wake_up(&rdev->irq.vblank_queue);
                                         disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D4 vblank\n");
@@ -2379,6 +2383,7 @@ restart_ih:
                         case 0: /* D5 vblank */
                                 if (disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 4);
+                                        rdev->pm.vblank_sync = true;
                                         wake_up(&rdev->irq.vblank_queue);
                                         disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D5 vblank\n");
@@ -2400,6 +2405,7 @@ restart_ih:
                         case 0: /* D6 vblank */
                                 if (disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
                                         drm_handle_vblank(rdev->ddev, 5);
+                                        rdev->pm.vblank_sync = true;
                                         wake_up(&rdev->irq.vblank_queue);
                                         disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
                                         DRM_DEBUG("IH: D6 vblank\n");
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 0e8f28a68927..8e10aa9f74b0 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -442,7 +442,7 @@ int r100_pci_gart_init(struct radeon_device *rdev)
         int r;
 
         if (rdev->gart.table.ram.ptr) {
-                WARN(1, "R100 PCI GART already initialized.\n");
+                WARN(1, "R100 PCI GART already initialized\n");
                 return 0;
         }
         /* Initialize common gart structure */
@@ -516,7 +516,7 @@ int r100_irq_set(struct radeon_device *rdev)
         uint32_t tmp = 0;
 
         if (!rdev->irq.installed) {
-                WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+                WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
                 WREG32(R_000040_GEN_INT_CNTL, 0);
                 return -EINVAL;
         }
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 34527e600fe9..cde1d3480d93 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -91,7 +91,7 @@ int rv370_pcie_gart_init(struct radeon_device *rdev)
         int r;
 
         if (rdev->gart.table.vram.robj) {
-                WARN(1, "RV370 PCIE GART already initialized.\n");
+                WARN(1, "RV370 PCIE GART already initialized\n");
                 return 0;
         }
         /* Initialize common gart structure */
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 33952a12f0a3..0f806cc7dc75 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -97,14 +97,8 @@ u32 rv6xx_get_temp(struct radeon_device *rdev)
 {
         u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
                 ASIC_T_SHIFT;
-        u32 actual_temp = 0;
 
-        if ((temp >> 7) & 1)
-                actual_temp = 0;
-        else
-                actual_temp = (temp >> 1) & 0xff;
-
-        return actual_temp * 1000;
+        return temp * 1000;
 }
 
 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
@@ -919,7 +913,7 @@ int r600_pcie_gart_init(struct radeon_device *rdev)
         int r;
 
         if (rdev->gart.table.vram.robj) {
-                WARN(1, "R600 PCIE GART already initialized.\n");
+                WARN(1, "R600 PCIE GART already initialized\n");
                 return 0;
         }
         /* Initialize common gart structure */
@@ -2995,7 +2989,7 @@ int r600_irq_set(struct radeon_device *rdev)
         u32 hdmi1, hdmi2;
 
         if (!rdev->irq.installed) {
-                WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+                WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
                 return -EINVAL;
         }
         /* don't enable anything if the ih is disabled */
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 04cac7ec9039..87ead090c7d5 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -526,8 +526,6 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
         if (crev < 2)
                 return false;
 
-        router.valid = false;
-
         obj_header = (ATOM_OBJECT_HEADER *) (ctx->bios + data_offset);
         path_obj = (ATOM_DISPLAY_OBJECT_PATH_TABLE *)
             (ctx->bios + data_offset +
@@ -624,6 +622,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
                                 continue;
 
+                        router.ddc_valid = false;
+                        router.cd_valid = false;
                         for (j = 0; j < ((le16_to_cpu(path->usSize) - 8) / 2); j++) {
                                 uint8_t grph_obj_id, grph_obj_num, grph_obj_type;
 
@@ -647,9 +647,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                                  usDeviceTag));
 
                                 } else if (grph_obj_type == GRAPH_OBJECT_TYPE_ROUTER) {
-                                        router.valid = false;
                                         for (k = 0; k < router_obj->ucNumberOfObjects; k++) {
-                                                u16 router_obj_id = le16_to_cpu(router_obj->asObjects[j].usObjectID);
+                                                u16 router_obj_id = le16_to_cpu(router_obj->asObjects[k].usObjectID);
                                                 if (le16_to_cpu(path->usGraphicObjIds[j]) == router_obj_id) {
                                                         ATOM_COMMON_RECORD_HEADER *record = (ATOM_COMMON_RECORD_HEADER *)
                                                                 (ctx->bios + data_offset +
@@ -657,6 +656,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                         ATOM_I2C_RECORD *i2c_record;
                                                         ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
                                                         ATOM_ROUTER_DDC_PATH_SELECT_RECORD *ddc_path;
+                                                        ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *cd_path;
                                                         ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *router_src_dst_table =
                                                                 (ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
                                                                 (ctx->bios + data_offset +
@@ -690,10 +690,18 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                                 case ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE:
                                                                         ddc_path = (ATOM_ROUTER_DDC_PATH_SELECT_RECORD *)
                                                                                 record;
-                                                                        router.valid = true;
-                                                                        router.mux_type = ddc_path->ucMuxType;
-                                                                        router.mux_control_pin = ddc_path->ucMuxControlPin;
-                                                                        router.mux_state = ddc_path->ucMuxState[enum_id];
+                                                                        router.ddc_valid = true;
+                                                                        router.ddc_mux_type = ddc_path->ucMuxType;
+                                                                        router.ddc_mux_control_pin = ddc_path->ucMuxControlPin;
+                                                                        router.ddc_mux_state = ddc_path->ucMuxState[enum_id];
+                                                                        break;
+                                                                case ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE:
+                                                                        cd_path = (ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD *)
+                                                                                record;
+                                                                        router.cd_valid = true;
+                                                                        router.cd_mux_type = cd_path->ucMuxType;
+                                                                        router.cd_mux_control_pin = cd_path->ucMuxControlPin;
+                                                                        router.cd_mux_state = cd_path->ucMuxState[enum_id];
                                                                         break;
                                                                 }
                                                                 record = (ATOM_COMMON_RECORD_HEADER *)
@@ -860,7 +868,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
         size_t bc_size = sizeof(*bios_connectors) * ATOM_MAX_SUPPORTED_DEVICE;
         struct radeon_router router;
 
-        router.valid = false;
+        router.ddc_valid = false;
+        router.cd_valid = false;
 
         bios_connectors = kzalloc(bc_size, GFP_KERNEL);
         if (!bios_connectors)
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 4dac4b0a02ee..fe6c74780f18 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -183,13 +183,13 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
                                         continue;
 
                                 if (priority == true) {
-                                        DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
-                                        DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
+                                        DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
+                                        DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
                                         conflict->status = connector_status_disconnected;
                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
                                 } else {
-                                        DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
-                                        DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
+                                        DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
+                                        DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
                                         current_status = connector_status_disconnected;
                                 }
                                 break;
@@ -432,13 +432,13 @@ static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
                             mode->vdisplay == native_mode->vdisplay) {
                                 *native_mode = *mode;
                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
-                                DRM_INFO("Determined LVDS native mode details from EDID\n");
+                                DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
                                 break;
                         }
                 }
         }
         if (!native_mode->clock) {
-                DRM_INFO("No LVDS native mode details, disabling RMX\n");
+                DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
                 radeon_encoder->rmx_type = RMX_OFF;
         }
 }
@@ -1116,7 +1116,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                                 radeon_connector->shared_ddc = true;
                                 shared_ddc = true;
                         }
-                        if (radeon_connector->router_bus && router->valid &&
+                        if (radeon_connector->router_bus && router->ddc_valid &&
                             (radeon_connector->router.router_id == router->router_id)) {
                                 radeon_connector->shared_ddc = false;
                                 shared_ddc = false;
@@ -1136,7 +1136,7 @@ radeon_add_atom_connector(struct drm_device *dev,
         radeon_connector->connector_object_id = connector_object_id;
         radeon_connector->hpd = *hpd;
         radeon_connector->router = *router;
-        if (router->valid) {
+        if (router->ddc_valid || router->cd_valid) {
                 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
                 if (!radeon_connector->router_bus)
                         goto failed;
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 0383631da69c..1df4dc6c063c 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -315,10 +315,14 @@ static void radeon_print_display_setup(struct drm_device *dev)
                                  radeon_connector->ddc_bus->rec.en_data_reg,
                                  radeon_connector->ddc_bus->rec.y_clk_reg,
                                  radeon_connector->ddc_bus->rec.y_data_reg);
-                        if (radeon_connector->router_bus)
+                        if (radeon_connector->router.ddc_valid)
                                 DRM_INFO("  DDC Router 0x%x/0x%x\n",
-                                         radeon_connector->router.mux_control_pin,
-                                         radeon_connector->router.mux_state);
+                                         radeon_connector->router.ddc_mux_control_pin,
+                                         radeon_connector->router.ddc_mux_state);
+                        if (radeon_connector->router.cd_valid)
+                                DRM_INFO("  Clock/Data Router 0x%x/0x%x\n",
+                                         radeon_connector->router.cd_mux_control_pin,
+                                         radeon_connector->router.cd_mux_state);
                 } else {
                         if (connector->connector_type == DRM_MODE_CONNECTOR_VGA ||
                             connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
@@ -398,8 +402,8 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
         int ret = 0;
 
         /* on hw with routers, select right port */
-        if (radeon_connector->router.valid)
-                radeon_router_select_port(radeon_connector);
+        if (radeon_connector->router.ddc_valid)
+                radeon_router_select_ddc_port(radeon_connector);
 
         if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
             (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
@@ -432,8 +436,8 @@ static int radeon_ddc_dump(struct drm_connector *connector)
         int ret = 0;
 
         /* on hw with routers, select right port */
-        if (radeon_connector->router.valid)
-                radeon_router_select_port(radeon_connector);
+        if (radeon_connector->router.ddc_valid)
+                radeon_router_select_ddc_port(radeon_connector);
 
         if (!radeon_connector->ddc_bus)
                 return -1;
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index ae58b6849a2e..f678257c42e6 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -1520,6 +1520,7 @@ radeon_atom_dac_detect(struct drm_encoder *encoder, struct drm_connector *connec
 static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
 {
         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+        struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 
         if (radeon_encoder->active_device &
             (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
@@ -1531,6 +1532,13 @@ static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
         radeon_atom_output_lock(encoder, true);
         radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
 
+        /* select the clock/data port if it uses a router */
+        if (connector) {
+                struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+                if (radeon_connector->router.cd_valid)
+                        radeon_router_select_cd_port(radeon_connector);
+        }
+
         /* this is needed for the pll/ss setup to work correctly in some cases */
         atombios_set_encoder_crtc_source(encoder);
 }
@@ -1547,6 +1555,23 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
         struct radeon_device *rdev = dev->dev_private;
         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
         struct radeon_encoder_atom_dig *dig;
+
+        /* check for pre-DCE3 cards with shared encoders;
+         * can't really use the links individually, so don't disable
+         * the encoder if it's in use by another connector
+         */
+        if (!ASIC_IS_DCE3(rdev)) {
+                struct drm_encoder *other_encoder;
+                struct radeon_encoder *other_radeon_encoder;
+
+                list_for_each_entry(other_encoder, &dev->mode_config.encoder_list, head) {
+                        other_radeon_encoder = to_radeon_encoder(other_encoder);
+                        if ((radeon_encoder->encoder_id == other_radeon_encoder->encoder_id) &&
+                            drm_helper_encoder_in_use(other_encoder))
+                                goto disable_done;
+                }
+        }
+
         radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
 
         switch (radeon_encoder->encoder_id) {
@@ -1586,6 +1611,7 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
                 break;
         }
 
+disable_done:
         if (radeon_encoder_is_digital(encoder)) {
                 if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
                         r600_hdmi_disable(encoder);
diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c
index 216392d0353b..daacb281dfaf 100644
--- a/drivers/gpu/drm/radeon/radeon_fence.c
+++ b/drivers/gpu/drm/radeon/radeon_fence.c
@@ -240,7 +240,8 @@ retry:
                  */
                 if (seq == rdev->fence_drv.last_seq && radeon_gpu_is_lockup(rdev)) {
                         /* good news we believe it's a lockup */
-                        WARN(1, "GPU lockup (waiting for 0x%08X last fence id 0x%08X)\n", fence->seq, seq);
+                        WARN(1, "GPU lockup (waiting for 0x%08X last fence id 0x%08X)\n",
+                             fence->seq, seq);
                         /* FIXME: what should we do ? marking everyone
                          * as signaled for now
                          */
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index 6a13ee38a5b9..0cfbba02c4d0 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -53,8 +53,8 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
         };
 
         /* on hw with routers, select right port */
-        if (radeon_connector->router.valid)
-                radeon_router_select_port(radeon_connector);
+        if (radeon_connector->router.ddc_valid)
+                radeon_router_select_ddc_port(radeon_connector);
 
         ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2);
         if (ret == 2)
@@ -1084,26 +1084,51 @@ void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c_bus,
                           addr, val);
 }
 
-/* router switching */
-void radeon_router_select_port(struct radeon_connector *radeon_connector)
+/* ddc router switching */
+void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector)
 {
         u8 val;
 
-        if (!radeon_connector->router.valid)
+        if (!radeon_connector->router.ddc_valid)
                 return;
 
         radeon_i2c_get_byte(radeon_connector->router_bus,
                             radeon_connector->router.i2c_addr,
                             0x3, &val);
-        val &= radeon_connector->router.mux_control_pin;
+        val &= ~radeon_connector->router.ddc_mux_control_pin;
         radeon_i2c_put_byte(radeon_connector->router_bus,
                             radeon_connector->router.i2c_addr,
                             0x3, val);
         radeon_i2c_get_byte(radeon_connector->router_bus,
                             radeon_connector->router.i2c_addr,
                             0x1, &val);
-        val &= radeon_connector->router.mux_control_pin;
-        val |= radeon_connector->router.mux_state;
+        val &= ~radeon_connector->router.ddc_mux_control_pin;
+        val |= radeon_connector->router.ddc_mux_state;
+        radeon_i2c_put_byte(radeon_connector->router_bus,
+                            radeon_connector->router.i2c_addr,
+                            0x1, val);
+}
+
+/* clock/data router switching */
+void radeon_router_select_cd_port(struct radeon_connector *radeon_connector)
+{
+        u8 val;
+
+        if (!radeon_connector->router.cd_valid)
+                return;
+
+        radeon_i2c_get_byte(radeon_connector->router_bus,
+                            radeon_connector->router.i2c_addr,
+                            0x3, &val);
+        val &= ~radeon_connector->router.cd_mux_control_pin;
+        radeon_i2c_put_byte(radeon_connector->router_bus,
+                            radeon_connector->router.i2c_addr,
+                            0x3, val);
+        radeon_i2c_get_byte(radeon_connector->router_bus,
+                            radeon_connector->router.i2c_addr,
+                            0x1, &val);
+        val &= ~radeon_connector->router.cd_mux_control_pin;
+        val |= radeon_connector->router.cd_mux_state;
         radeon_i2c_put_byte(radeon_connector->router_bus,
                             radeon_connector->router.i2c_addr,
                             0x1, val);
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 92457163d070..680f57644e86 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -401,13 +401,19 @@ struct radeon_hpd {
 };
 
 struct radeon_router {
-        bool valid;
         u32 router_id;
         struct radeon_i2c_bus_rec i2c_info;
         u8 i2c_addr;
-        u8 mux_type;
-        u8 mux_control_pin;
-        u8 mux_state;
+        /* i2c mux */
+        bool ddc_valid;
+        u8 ddc_mux_type;
+        u8 ddc_mux_control_pin;
+        u8 ddc_mux_state;
+        /* clock/data mux */
+        bool cd_valid;
+        u8 cd_mux_type;
+        u8 cd_mux_control_pin;
+        u8 cd_mux_state;
 };
 
 struct radeon_connector {
@@ -488,7 +494,8 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
                                 u8 slave_addr,
                                 u8 addr,
                                 u8 val);
-extern void radeon_router_select_port(struct radeon_connector *radeon_connector);
+extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector);
+extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector);
 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
 
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index d7ab91416410..8eb183466015 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -102,6 +102,8 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj,
                 type = ttm_bo_type_device;
         }
         *bo_ptr = NULL;
+
+retry:
         bo = kzalloc(sizeof(struct radeon_bo), GFP_KERNEL);
         if (bo == NULL)
                 return -ENOMEM;
@@ -109,8 +111,6 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj,
         bo->gobj = gobj;
         bo->surface_reg = -1;
         INIT_LIST_HEAD(&bo->list);
-
-retry:
         radeon_ttm_placement_from_domain(bo, domain);
         /* Kernel allocation are uninterruptible */
         mutex_lock(&rdev->vram_mutex);
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index fe95bb35317e..01c2c736a1da 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -689,7 +689,8 @@ static int radeon_ttm_backend_bind(struct ttm_backend *backend,
         gtt = container_of(backend, struct radeon_ttm_backend, backend);
         gtt->offset = bo_mem->start << PAGE_SHIFT;
         if (!gtt->num_pages) {
-                WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n", gtt->num_pages, bo_mem, backend);
+                WARN(1, "nothing to bind %lu pages for mreg %p back %p!\n",
+                     gtt->num_pages, bo_mem, backend);
         }
         r = radeon_gart_bind(gtt->rdev, gtt->offset,
                              gtt->num_pages, gtt->pages);
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index f683e51a2a06..5512e4e5e636 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -78,7 +78,7 @@ int rs400_gart_init(struct radeon_device *rdev)
         int r;
 
         if (rdev->gart.table.ram.ptr) {
-                WARN(1, "RS400 GART already initialized.\n");
+                WARN(1, "RS400 GART already initialized\n");
                 return 0;
         }
         /* Check gart size */
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index b091a1f6fa4e..f1c6e02c2e6b 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -375,7 +375,7 @@ int rs600_gart_init(struct radeon_device *rdev)
         int r;
 
         if (rdev->gart.table.vram.robj) {
-                WARN(1, "RS600 GART already initialized.\n");
+                WARN(1, "RS600 GART already initialized\n");
                 return 0;
         }
         /* Initialize common gart structure */
@@ -505,7 +505,7 @@ int rs600_irq_set(struct radeon_device *rdev)
                 ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1);
 
         if (!rdev->irq.installed) {
-                WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n");
+                WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
                 WREG32(R_000040_GEN_INT_CNTL, 0);
                 return -EINVAL;
         }
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a1cb783c7131..3ca77dc03915 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -27,14 +27,6 @@
 /*
  * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
  */
-/* Notes:
- *
- * We store bo pointer in drm_mm_node struct so we know which bo own a
- * specific node. There is no protection on the pointer, thus to make
- * sure things don't go berserk you have to access this pointer while
- * holding the global lru lock and make sure anytime you free a node you
- * reset the pointer to NULL.
- */
 
 #include "ttm/ttm_module.h"
 #include "ttm/ttm_bo_driver.h"
@@ -45,6 +37,7 @@
 #include <linux/mm.h>
 #include <linux/file.h>
 #include <linux/module.h>
+#include <asm/atomic.h>
 
 #define TTM_ASSERT_LOCKED(param)
 #define TTM_DEBUG(fmt, arg...)
@@ -452,6 +445,11 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
         ttm_bo_mem_put(bo, &bo->mem);
 
         atomic_set(&bo->reserved, 0);
+
+        /*
+         * Make processes trying to reserve really pick it up.
+         */
+        smp_mb__after_atomic_dec();
         wake_up_all(&bo->event_queue);
 }
 
@@ -460,7 +458,7 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo)
         struct ttm_bo_device *bdev = bo->bdev;
         struct ttm_bo_global *glob = bo->glob;
         struct ttm_bo_driver *driver;
-        void *sync_obj;
+        void *sync_obj = NULL;
         void *sync_obj_arg;
         int put_count;
         int ret;
@@ -495,17 +493,20 @@ static void ttm_bo_cleanup_refs_or_queue(struct ttm_buffer_object *bo)
                 spin_lock(&glob->lru_lock);
         }
 queue:
-        sync_obj = bo->sync_obj;
-        sync_obj_arg = bo->sync_obj_arg;
         driver = bdev->driver;
+        if (bo->sync_obj)
+                sync_obj = driver->sync_obj_ref(bo->sync_obj);
+        sync_obj_arg = bo->sync_obj_arg;
 
         kref_get(&bo->list_kref);
         list_add_tail(&bo->ddestroy, &bdev->ddestroy);
         spin_unlock(&glob->lru_lock);
         spin_unlock(&bo->lock);
 
-        if (sync_obj)
+        if (sync_obj) {
                 driver->sync_obj_flush(sync_obj, sync_obj_arg);
+                driver->sync_obj_unref(&sync_obj);
+        }
         schedule_delayed_work(&bdev->wq,
                               ((HZ / 100) < 1) ? 1 : HZ / 100);
 }
@@ -822,7 +823,6 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
                                         bool no_wait_gpu)
 {
         struct ttm_bo_device *bdev = bo->bdev;
-        struct ttm_bo_global *glob = bdev->glob;
         struct ttm_mem_type_manager *man = &bdev->man[mem_type];
         int ret;
 
@@ -832,12 +832,6 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
                         return ret;
                 if (mem->mm_node)
                         break;
-                spin_lock(&glob->lru_lock);
-                if (list_empty(&man->lru)) {
-                        spin_unlock(&glob->lru_lock);
-                        break;
-                }
-                spin_unlock(&glob->lru_lock);
                 ret = ttm_mem_evict_first(bdev, mem_type, interruptible,
                                                 no_wait_reserve, no_wait_gpu);
                 if (unlikely(ret != 0))
@@ -1125,35 +1119,9 @@ EXPORT_SYMBOL(ttm_bo_validate);
 int ttm_bo_check_placement(struct ttm_buffer_object *bo,
                                 struct ttm_placement *placement)
 {
-        int i;
+        BUG_ON((placement->fpfn || placement->lpfn) &&
+               (bo->mem.num_pages > (placement->lpfn - placement->fpfn)));
 
-        if (placement->fpfn || placement->lpfn) {
-                if (bo->mem.num_pages > (placement->lpfn - placement->fpfn)) {
-                        printk(KERN_ERR TTM_PFX "Page number range to small "
-                                "Need %lu pages, range is [%u, %u]\n",
-                                bo->mem.num_pages, placement->fpfn,
-                                placement->lpfn);
-                        return -EINVAL;
-                }
-        }
-        for (i = 0; i < placement->num_placement; i++) {
-                if (!capable(CAP_SYS_ADMIN)) {
-                        if (placement->placement[i] & TTM_PL_FLAG_NO_EVICT) {
-                                printk(KERN_ERR TTM_PFX "Need to be root to "
-                                        "modify NO_EVICT status.\n");
-                                return -EINVAL;
-                        }
-                }
-        }
-        for (i = 0; i < placement->num_busy_placement; i++) {
-                if (!capable(CAP_SYS_ADMIN)) {
-                        if (placement->busy_placement[i] & TTM_PL_FLAG_NO_EVICT) {
-                                printk(KERN_ERR TTM_PFX "Need to be root to "
-                                        "modify NO_EVICT status.\n");
-                                return -EINVAL;
-                        }
-                }
-        }
         return 0;
 }
 
@@ -1176,6 +1144,10 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
         num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
         if (num_pages == 0) {
                 printk(KERN_ERR TTM_PFX "Illegal buffer object size.\n");
+                if (destroy)
+                        (*destroy)(bo);
+                else
+                        kfree(bo);
                 return -EINVAL;
         }
         bo->destroy = destroy;
@@ -1369,18 +1341,9 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
         int ret = -EINVAL;
         struct ttm_mem_type_manager *man;
 
-        if (type >= TTM_NUM_MEM_TYPES) {
-                printk(KERN_ERR TTM_PFX "Illegal memory type %d\n", type);
-                return ret;
-        }
-
+        BUG_ON(type >= TTM_NUM_MEM_TYPES);
         man = &bdev->man[type];
-        if (man->has_type) {
-                printk(KERN_ERR TTM_PFX
-                       "Memory manager already initialized for type %d\n",
-                       type);
-                return ret;
-        }
+        BUG_ON(man->has_type);
 
         ret = bdev->driver->init_mem_type(bdev, type, man);
         if (ret)
@@ -1389,13 +1352,6 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
 
         ret = 0;
         if (type != TTM_PL_SYSTEM) {
-                if (!p_size) {
-                        printk(KERN_ERR TTM_PFX
-                               "Zero size memory manager type %d\n",
-                               type);
-                        return ret;
-                }
-
                 ret = (*man->func->init)(man, p_size);
                 if (ret)
                         return ret;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c
index 7410c190c891..038e947d00f9 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_manager.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  *
- * Copyright (c) 2007-2009 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2007-2010 VMware, Inc., Palo Alto, CA., USA
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -31,20 +31,29 @@
 #include "ttm/ttm_module.h"
 #include "ttm/ttm_bo_driver.h"
 #include "ttm/ttm_placement.h"
-#include <linux/jiffies.h>
+#include "drm_mm.h"
 #include <linux/slab.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/file.h>
+#include <linux/spinlock.h>
 #include <linux/module.h>
 
+/**
+ * Currently we use a spinlock for the lock, but a mutex *may* be
+ * more appropriate to reduce scheduling latency if the range manager
+ * ends up with very fragmented allocation patterns.
+ */
+
+struct ttm_range_manager {
+        struct drm_mm mm;
+        spinlock_t lock;
+};
+
 static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,
                                struct ttm_buffer_object *bo,
                                struct ttm_placement *placement,
                                struct ttm_mem_reg *mem)
 {
-        struct ttm_bo_global *glob = man->bdev->glob;
-        struct drm_mm *mm = man->priv;
+        struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
+        struct drm_mm *mm = &rman->mm;
         struct drm_mm_node *node = NULL;
         unsigned long lpfn;
         int ret;
@@ -57,19 +66,19 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,
                 if (unlikely(ret))
                         return ret;
 
-                spin_lock(&glob->lru_lock);
+                spin_lock(&rman->lock);
                 node = drm_mm_search_free_in_range(mm,
                                         mem->num_pages, mem->page_alignment,
                                         placement->fpfn, lpfn, 1);
                 if (unlikely(node == NULL)) {
-                        spin_unlock(&glob->lru_lock);
+                        spin_unlock(&rman->lock);
                         return 0;
                 }
                 node = drm_mm_get_block_atomic_range(node, mem->num_pages,
-                                                        mem->page_alignment,
-                                                        placement->fpfn,
-                                                        lpfn);
-                spin_unlock(&glob->lru_lock);
+                                                     mem->page_alignment,
+                                                     placement->fpfn,
+                                                     lpfn);
+                spin_unlock(&rman->lock);
         } while (node == NULL);
 
         mem->mm_node = node;
@@ -80,12 +89,12 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,
 static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man,
                                 struct ttm_mem_reg *mem)
 {
-        struct ttm_bo_global *glob = man->bdev->glob;
+        struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
 
         if (mem->mm_node) {
-                spin_lock(&glob->lru_lock);
+                spin_lock(&rman->lock);
                 drm_mm_put_block(mem->mm_node);
-                spin_unlock(&glob->lru_lock);
+                spin_unlock(&rman->lock);
                 mem->mm_node = NULL;
         }
 }
@@ -93,49 +102,49 @@ static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man,
 static int ttm_bo_man_init(struct ttm_mem_type_manager *man,
                            unsigned long p_size)
 {
-        struct drm_mm *mm;
+        struct ttm_range_manager *rman;
         int ret;
 
-        mm = kzalloc(sizeof(*mm), GFP_KERNEL);
-        if (!mm)
+        rman = kzalloc(sizeof(*rman), GFP_KERNEL);
+        if (!rman)
                 return -ENOMEM;
 
-        ret = drm_mm_init(mm, 0, p_size);
+        ret = drm_mm_init(&rman->mm, 0, p_size);
         if (ret) {
-                kfree(mm);
+                kfree(rman);
                 return ret;
         }
 
-        man->priv = mm;
+        spin_lock_init(&rman->lock);
+        man->priv = rman;
         return 0;
 }
 
 static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
 {
-        struct ttm_bo_global *glob = man->bdev->glob;
-        struct drm_mm *mm = man->priv;
-        int ret = 0;
+        struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
+        struct drm_mm *mm = &rman->mm;
 
-        spin_lock(&glob->lru_lock);
+        spin_lock(&rman->lock);
         if (drm_mm_clean(mm)) {
                 drm_mm_takedown(mm);
-                kfree(mm);
+                spin_unlock(&rman->lock);
+                kfree(rman);
                 man->priv = NULL;
-        } else
-                ret = -EBUSY;
-        spin_unlock(&glob->lru_lock);
-        return ret;
+                return 0;
+        }
+        spin_unlock(&rman->lock);
+        return -EBUSY;
 }
 
 static void ttm_bo_man_debug(struct ttm_mem_type_manager *man,
                              const char *prefix)
 {
-        struct ttm_bo_global *glob = man->bdev->glob;
-        struct drm_mm *mm = man->priv;
+        struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
 
-        spin_lock(&glob->lru_lock);
-        drm_mm_debug_table(mm, prefix);
-        spin_unlock(&glob->lru_lock);
+        spin_lock(&rman->lock);
+        drm_mm_debug_table(&rman->mm, prefix);
+        spin_unlock(&rman->lock);
 }
 
 const struct ttm_mem_type_manager_func ttm_bo_manager_func = {
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index a7bab87a548b..af789dc869b9 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -440,10 +440,8 @@ int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem)
                 return ret;
 
         ret = be->func->bind(be, bo_mem);
-        if (ret) {
-                printk(KERN_ERR TTM_PFX "Couldn't bind backend.\n");
+        if (unlikely(ret != 0))
                 return ret;
-        }
 
         ttm->state = tt_bound;
 
diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
index 9b5b4d9dd62c..3e038a394c51 100644
--- a/drivers/gpu/drm/via/via_dmablit.c
+++ b/drivers/gpu/drm/via/via_dmablit.c
@@ -235,9 +235,9 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg,  drm_via_dmablit_t *xfer)
         vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride - 1)) -
                 first_pfn + 1;
 
-        if (NULL == (vsg->pages = vmalloc(sizeof(struct page *) * vsg->num_pages)))
+        vsg->pages = vzalloc(sizeof(struct page *) * vsg->num_pages);
+        if (NULL == vsg->pages)
                 return -ENOMEM;
-        memset(vsg->pages, 0, sizeof(struct page *) * vsg->num_pages);
         down_read(&current->mm->mmap_sem);
         ret = get_user_pages(current, current->mm,
                              (unsigned long)xfer->mem_addr,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 51d9f9f1d7f2..76954e3528c1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -691,6 +691,7 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
 
         fence_rep.error = ret;
         fence_rep.fence_seq = (uint64_t) sequence;
+        fence_rep.pad64 = 0;
 
         user_fence_rep = (struct drm_vmw_fence_rep __user *)
             (unsigned long)arg->fence_rep;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 87c6e6156d7d..cceeb42789b6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -720,6 +720,8 @@ static int vmw_surface_dmabuf_pin(struct vmw_framebuffer *vfb)
                                &vmw_vram_ne_placement,
                                false, &vmw_dmabuf_bo_free);
         vmw_overlay_resume_all(dev_priv);
+        if (unlikely(ret != 0))
+                vfbs->buffer = NULL;
 
         return ret;
 }
@@ -730,6 +732,9 @@ static int vmw_surface_dmabuf_unpin(struct vmw_framebuffer *vfb)
         struct vmw_framebuffer_surface *vfbs =
                 vmw_framebuffer_to_vfbs(&vfb->base);
 
+        if (unlikely(vfbs->buffer == NULL))
+                return 0;
+
         bo = &vfbs->buffer->base;
         ttm_bo_unref(&bo);
         vfbs->buffer = NULL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index a01c47ddb5bc..29113c9b26a8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -557,7 +557,7 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
                 return -EINVAL;
         }
 
-        dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv));
+        dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL);
 
         if (!dev_priv->ldu_priv)
                 return -ENOMEM;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index df2036ed18d5..f1a52f9e7298 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -585,7 +585,7 @@ int vmw_overlay_init(struct vmw_private *dev_priv)
                 return -ENOSYS;
         }
 
-        overlay = kmalloc(GFP_KERNEL, sizeof(*overlay));
+        overlay = kmalloc(sizeof(*overlay), GFP_KERNEL);
         if (!overlay)
                 return -ENOMEM;
 
diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig
index 742c423567cf..0e1edd7311ff 100644
--- a/drivers/gpu/stub/Kconfig
+++ b/drivers/gpu/stub/Kconfig
@@ -3,6 +3,9 @@ config STUB_POULSBO
         depends on PCI
         # Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled
         # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+        select VIDEO_OUTPUT_CONTROL if ACPI
+        select BACKLIGHT_CLASS_DEVICE if ACPI
+        select INPUT if ACPI
         select ACPI_VIDEO if ACPI
         help
           Choose this option if you have a system that has Intel GMA500
diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
index 1e4c21fc1a89..86d822aa9bbf 100644
--- a/drivers/hwmon/ad7414.c
+++ b/drivers/hwmon/ad7414.c
@@ -178,11 +178,13 @@ static int ad7414_probe(struct i2c_client *client,
 {
         struct ad7414_data *data;
         int conf;
-        int err = 0;
+        int err;
 
         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
-                                     I2C_FUNC_SMBUS_READ_WORD_DATA))
+                                     I2C_FUNC_SMBUS_READ_WORD_DATA)) {
+                err = -EOPNOTSUPP;
                 goto exit;
+        }
 
         data = kzalloc(sizeof(struct ad7414_data), GFP_KERNEL);
         if (!data) {
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
index 9e775717abb7..87d92a56a939 100644
--- a/drivers/hwmon/adt7470.c
+++ b/drivers/hwmon/adt7470.c
@@ -1286,8 +1286,10 @@ static int adt7470_probe(struct i2c_client *client,
         init_completion(&data->auto_update_stop);
         data->auto_update = kthread_run(adt7470_update_thread, client,
                                         dev_name(data->hwmon_dev));
-        if (IS_ERR(data->auto_update))
+        if (IS_ERR(data->auto_update)) {
+                err = PTR_ERR(data->auto_update);
                 goto exit_unregister;
+        }
 
         return 0;
 
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c
index aa701a183707..f141a1de519c 100644
--- a/drivers/hwmon/gpio-fan.c
+++ b/drivers/hwmon/gpio-fan.c
@@ -376,10 +376,6 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data,
                 }
         }
 
-        err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_ctrl_group);
-        if (err)
-                goto err_free_gpio;
-
         fan_data->num_ctrl = num_ctrl;
         fan_data->ctrl = ctrl;
         fan_data->num_speed = pdata->num_speed;
@@ -391,6 +387,10 @@ static int fan_ctrl_init(struct gpio_fan_data *fan_data,
                 goto err_free_gpio;
         }
 
+        err = sysfs_create_group(&pdev->dev.kobj, &gpio_fan_ctrl_group);
+        if (err)
+                goto err_free_gpio;
+
         return 0;
 
 err_free_gpio:
diff --git a/drivers/hwmon/ltc4261.c b/drivers/hwmon/ltc4261.c
index 267626178678..4b50601027d3 100644
--- a/drivers/hwmon/ltc4261.c
+++ b/drivers/hwmon/ltc4261.c
@@ -82,7 +82,7 @@ static struct ltc4261_data *ltc4261_update_device(struct device *dev)
                         val = i2c_smbus_read_byte_data(client, i);
                         if (unlikely(val < 0)) {
                                 dev_dbg(dev,
-                                        "Failed to read ADC value: error %d",
+                                        "Failed to read ADC value: error %d\n",
                                         val);
                                 ret = ERR_PTR(val);
                                 goto abort;
@@ -230,8 +230,7 @@ static int ltc4261_probe(struct i2c_client *client,
                 return -ENODEV;
 
         if (i2c_smbus_read_byte_data(client, LTC4261_STATUS) < 0) {
-                dev_err(&client->dev, "Failed to read register %d:%02x:%02x\n",
-                        adapter->id, client->addr, LTC4261_STATUS);
+                dev_err(&client->dev, "Failed to read status register\n");
                 return -ENODEV;
         }
 
diff --git a/drivers/input/input.c b/drivers/input/input.c
index d092ef9291da..7f26ca6ecf75 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -74,6 +74,7 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz)
  * dev->event_lock held and interrupts disabled.
  */
 static void input_pass_event(struct input_dev *dev,
+                             struct input_handler *src_handler,
                              unsigned int type, unsigned int code, int value)
 {
         struct input_handler *handler;
@@ -92,6 +93,15 @@ static void input_pass_event(struct input_dev *dev,
                                 continue;
 
                         handler = handle->handler;
+
+                        /*
+                         * If this is the handler that injected this
+                         * particular event we want to skip it to avoid
+                         * filters firing again and again.
+                         */
+                        if (handler == src_handler)
+                                continue;
+
                         if (!handler->filter) {
                                 if (filtered)
                                         break;
@@ -121,7 +131,7 @@ static void input_repeat_key(unsigned long data)
         if (test_bit(dev->repeat_key, dev->key) &&
             is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
 
-                input_pass_event(dev, EV_KEY, dev->repeat_key, 2);
+                input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2);
 
                 if (dev->sync) {
                         /*
@@ -130,7 +140,7 @@ static void input_repeat_key(unsigned long data)
                          * Otherwise assume that the driver will send
                          * SYN_REPORT once it's done.
                          */
-                        input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+                        input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
                 }
 
                 if (dev->rep[REP_PERIOD])
@@ -163,6 +173,7 @@ static void input_stop_autorepeat(struct input_dev *dev)
 #define INPUT_PASS_TO_ALL       (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE)
 
 static int input_handle_abs_event(struct input_dev *dev,
+                                  struct input_handler *src_handler,
                                   unsigned int code, int *pval)
 {
         bool is_mt_event;
@@ -206,13 +217,15 @@ static int input_handle_abs_event(struct input_dev *dev,
         /* Flush pending "slot" event */
         if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
                 input_abs_set_val(dev, ABS_MT_SLOT, dev->slot);
-                input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot);
+                input_pass_event(dev, src_handler,
+                                 EV_ABS, ABS_MT_SLOT, dev->slot);
         }
 
         return INPUT_PASS_TO_HANDLERS;
 }
 
 static void input_handle_event(struct input_dev *dev,
+                               struct input_handler *src_handler,
                                unsigned int type, unsigned int code, int value)
 {
         int disposition = INPUT_IGNORE_EVENT;
@@ -265,7 +278,8 @@ static void input_handle_event(struct input_dev *dev,
 
         case EV_ABS:
                 if (is_event_supported(code, dev->absbit, ABS_MAX))
-                        disposition = input_handle_abs_event(dev, code, &value);
+                        disposition = input_handle_abs_event(dev, src_handler,
+                                                             code, &value);
 
                 break;
 
@@ -323,7 +337,7 @@ static void input_handle_event(struct input_dev *dev,
                 dev->event(dev, type, code, value);
 
         if (disposition & INPUT_PASS_TO_HANDLERS)
-                input_pass_event(dev, type, code, value);
+                input_pass_event(dev, src_handler, type, code, value);
 }
 
 /**
@@ -352,7 +366,7 @@ void input_event(struct input_dev *dev,
 
                 spin_lock_irqsave(&dev->event_lock, flags);
                 add_input_randomness(type, code, value);
-                input_handle_event(dev, type, code, value);
+                input_handle_event(dev, NULL, type, code, value);
                 spin_unlock_irqrestore(&dev->event_lock, flags);
         }
 }
@@ -382,7 +396,8 @@ void input_inject_event(struct input_handle *handle,
                 rcu_read_lock();
                 grab = rcu_dereference(dev->grab);
                 if (!grab || grab == handle)
-                        input_handle_event(dev, type, code, value);
+                        input_handle_event(dev, handle->handler,
+                                           type, code, value);
                 rcu_read_unlock();
 
                 spin_unlock_irqrestore(&dev->event_lock, flags);
@@ -595,10 +610,10 @@ static void input_dev_release_keys(struct input_dev *dev)
                 for (code = 0; code <= KEY_MAX; code++) {
                         if (is_event_supported(code, dev->keybit, KEY_MAX) &&
                             __test_and_clear_bit(code, dev->key)) {
-                                input_pass_event(dev, EV_KEY, code, 0);
+                                input_pass_event(dev, NULL, EV_KEY, code, 0);
                         }
                 }
-                input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+                input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
         }
 }
 
@@ -873,9 +888,9 @@ int input_set_keycode(struct input_dev *dev,
             !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
             __test_and_clear_bit(old_keycode, dev->key)) {
 
-                input_pass_event(dev, EV_KEY, old_keycode, 0);
+                input_pass_event(dev, NULL, EV_KEY, old_keycode, 0);
                 if (dev->sync)
-                        input_pass_event(dev, EV_SYN, SYN_REPORT, 1);
+                        input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1);
         }
 
  out:
@@ -1565,8 +1580,7 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
                 }                                                       \
         } while (0)
 
-#ifdef CONFIG_PM
-static void input_dev_reset(struct input_dev *dev, bool activate)
+static void input_dev_toggle(struct input_dev *dev, bool activate)
 {
         if (!dev->event)
                 return;
@@ -1580,12 +1594,44 @@ static void input_dev_reset(struct input_dev *dev, bool activate)
         }
 }
 
+/**
+ * input_reset_device() - reset/restore the state of input device
+ * @dev: input device whose state needs to be reset
+ *
+ * This function tries to reset the state of an opened input device and
+ * bring internal state and state if the hardware in sync with each other.
+ * We mark all keys as released, restore LED state, repeat rate, etc.
+ */
+void input_reset_device(struct input_dev *dev)
+{
+        mutex_lock(&dev->mutex);
+
+        if (dev->users) {
+                input_dev_toggle(dev, true);
+
+                /*
+                 * Keys that have been pressed at suspend time are unlikely
+                 * to be still pressed when we resume.
+                 */
+                spin_lock_irq(&dev->event_lock);
+                input_dev_release_keys(dev);
+                spin_unlock_irq(&dev->event_lock);
+        }
+
+        mutex_unlock(&dev->mutex);
+}
+EXPORT_SYMBOL(input_reset_device);
+
+#ifdef CONFIG_PM
 static int input_dev_suspend(struct device *dev)
 {
         struct input_dev *input_dev = to_input_dev(dev);
 
         mutex_lock(&input_dev->mutex);
-        input_dev_reset(input_dev, false);
+
+        if (input_dev->users)
+                input_dev_toggle(input_dev, false);
+
         mutex_unlock(&input_dev->mutex);
 
         return 0;
@@ -1595,18 +1641,7 @@ static int input_dev_resume(struct device *dev)
 {
         struct input_dev *input_dev = to_input_dev(dev);
 
-        mutex_lock(&input_dev->mutex);
-        input_dev_reset(input_dev, true);
-
-        /*
-         * Keys that have been pressed at suspend time are unlikely
-         * to be still pressed when we resume.
-         */
-        spin_lock_irq(&input_dev->event_lock);
-        input_dev_release_keys(input_dev);
-        spin_unlock_irq(&input_dev->event_lock);
-
-        mutex_unlock(&input_dev->mutex);
+        input_reset_device(input_dev);
 
         return 0;
 }
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index b92d1cd5cba1..af45d275f686 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -4,7 +4,7 @@
  *               I2C QWERTY Keypad and IO Expander
  * Bugs: Enter bugs at http://blackfin.uclinux.org/
  *
- * Copyright (C) 2008-2009 Analog Devices Inc.
+ * Copyright (C) 2008-2010 Analog Devices Inc.
  * Licensed under the GPL-2 or later.
  */
 
@@ -24,29 +24,6 @@
 
 #include <linux/i2c/adp5588.h>
 
- /* Configuration Register1 */
-#define AUTO_INC        (1 << 7)
-#define GPIEM_CFG       (1 << 6)
-#define OVR_FLOW_M      (1 << 5)
-#define INT_CFG         (1 << 4)
-#define OVR_FLOW_IEN    (1 << 3)
-#define K_LCK_IM        (1 << 2)
-#define GPI_IEN         (1 << 1)
-#define KE_IEN          (1 << 0)
-
-/* Interrupt Status Register */
-#define CMP2_INT        (1 << 5)
-#define CMP1_INT        (1 << 4)
-#define OVR_FLOW_INT    (1 << 3)
-#define K_LCK_INT       (1 << 2)
-#define GPI_INT         (1 << 1)
-#define KE_INT          (1 << 0)
-
-/* Key Lock and Event Counter Register */
-#define K_LCK_EN        (1 << 6)
-#define LCK21           0x30
-#define KEC             0xF
-
 /* Key Event Register xy */
 #define KEY_EV_PRESSED          (1 << 7)
 #define KEY_EV_MASK             (0x7F)
@@ -55,10 +32,6 @@
 
 #define KEYP_MAX_EVENT          10
 
-#define MAXGPIO                 18
-#define ADP_BANK(offs)          ((offs) >> 3)
-#define ADP_BIT(offs)           (1u << ((offs) & 0x7))
-
 /*
  * Early pre 4.0 Silicon required to delay readout by at least 25ms,
  * since the Event Counter Register updated 25ms after the interrupt
@@ -75,7 +48,7 @@ struct adp5588_kpad {
         const struct adp5588_gpi_map *gpimap;
         unsigned short gpimapsize;
 #ifdef CONFIG_GPIOLIB
-        unsigned char gpiomap[MAXGPIO];
+        unsigned char gpiomap[ADP5588_MAXGPIO];
         bool export_gpio;
         struct gpio_chip gc;
         struct mutex gpio_lock; /* Protect cached dir, dat_out */
@@ -103,8 +76,8 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
 static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
 {
         struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
-        unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
-        unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+        unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+        unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
 
         return !!(adp5588_read(kpad->client, GPIO_DAT_STAT1 + bank) & bit);
 }
@@ -113,8 +86,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
                                    unsigned off, int val)
 {
         struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
-        unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
-        unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+        unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+        unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
 
         mutex_lock(&kpad->gpio_lock);
 
@@ -132,8 +105,8 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
 static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
 {
         struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
-        unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
-        unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+        unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+        unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
         int ret;
 
         mutex_lock(&kpad->gpio_lock);
@@ -150,8 +123,8 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip,
                                          unsigned off, int val)
 {
         struct adp5588_kpad *kpad = container_of(chip, struct adp5588_kpad, gc);
-        unsigned int bank = ADP_BANK(kpad->gpiomap[off]);
-        unsigned int bit = ADP_BIT(kpad->gpiomap[off]);
+        unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+        unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
         int ret;
 
         mutex_lock(&kpad->gpio_lock);
@@ -176,7 +149,7 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip,
 static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad,
                                 const struct adp5588_kpad_platform_data *pdata)
 {
-        bool pin_used[MAXGPIO];
+        bool pin_used[ADP5588_MAXGPIO];
         int n_unused = 0;
         int i;
 
@@ -191,7 +164,7 @@ static int __devinit adp5588_build_gpiomap(struct adp5588_kpad *kpad,
         for (i = 0; i < kpad->gpimapsize; i++)
                 pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true;
 
-        for (i = 0; i < MAXGPIO; i++)
+        for (i = 0; i < ADP5588_MAXGPIO; i++)
                 if (!pin_used[i])
                         kpad->gpiomap[n_unused++] = i;
 
@@ -234,7 +207,7 @@ static int __devinit adp5588_gpio_add(struct adp5588_kpad *kpad)
                 return error;
         }
 
-        for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+        for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
                 kpad->dat_out[i] = adp5588_read(kpad->client,
                                                 GPIO_DAT_OUT1 + i);
                 kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i);
@@ -318,11 +291,11 @@ static void adp5588_work(struct work_struct *work)
 
         status = adp5588_read(client, INT_STAT);
 
-        if (status & OVR_FLOW_INT)      /* Unlikely and should never happen */
+        if (status & ADP5588_OVR_FLOW_INT)      /* Unlikely and should never happen */
                 dev_err(&client->dev, "Event Overflow Error\n");
 
-        if (status & KE_INT) {
-                ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & KEC;
+        if (status & ADP5588_KE_INT) {
+                ev_cnt = adp5588_read(client, KEY_LCK_EC_STAT) & ADP5588_KEC;
                 if (ev_cnt) {
                         adp5588_report_events(kpad, ev_cnt);
                         input_sync(kpad->input);
@@ -360,7 +333,7 @@ static int __devinit adp5588_setup(struct i2c_client *client)
         if (pdata->en_keylock) {
                 ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1);
                 ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2);
-                ret |= adp5588_write(client, KEY_LCK_EC_STAT, K_LCK_EN);
+                ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN);
         }
 
         for (i = 0; i < KEYP_MAX_EVENT; i++)
@@ -384,7 +357,7 @@ static int __devinit adp5588_setup(struct i2c_client *client)
         }
 
         if (gpio_data) {
-                for (i = 0; i <= ADP_BANK(MAXGPIO); i++) {
+                for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
                         int pull_mask = gpio_data->pullup_dis_mask;
 
                         ret |= adp5588_write(client, GPIO_PULL1 + i,
@@ -392,11 +365,14 @@ static int __devinit adp5588_setup(struct i2c_client *client)
                 }
         }
 
-        ret |= adp5588_write(client, INT_STAT, CMP2_INT | CMP1_INT |
-                                        OVR_FLOW_INT | K_LCK_INT |
-                                        GPI_INT | KE_INT); /* Status is W1C */
+        ret |= adp5588_write(client, INT_STAT,
+                                ADP5588_CMP2_INT | ADP5588_CMP1_INT |
+                                ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT |
+                                ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */
 
-        ret |= adp5588_write(client, CFG, INT_CFG | OVR_FLOW_IEN | KE_IEN);
+        ret |= adp5588_write(client, CFG, ADP5588_INT_CFG |
+                                          ADP5588_OVR_FLOW_IEN |
+                                          ADP5588_KE_IEN);
 
         if (ret < 0) {
                 dev_err(&client->dev, "Write Error\n");
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index d358ef8623f4..11478eb2c27d 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -63,6 +63,10 @@ static bool atkbd_extra;
 module_param_named(extra, atkbd_extra, bool, 0);
 MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards");
 
+static bool atkbd_terminal;
+module_param_named(terminal, atkbd_terminal, bool, 0);
+MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2");
+
 /*
  * Scancode to keycode tables. These are just the default setting, and
  * are loadable via a userland utility.
@@ -136,7 +140,8 @@ static const unsigned short atkbd_unxlate_table[128] = {
 #define ATKBD_CMD_ENABLE        0x00f4
 #define ATKBD_CMD_RESET_DIS     0x00f5  /* Reset to defaults and disable */
 #define ATKBD_CMD_RESET_DEF     0x00f6  /* Reset to defaults */
-#define ATKBD_CMD_SETALL_MBR    0x00fa
+#define ATKBD_CMD_SETALL_MB     0x00f8  /* Set all keys to give break codes */
+#define ATKBD_CMD_SETALL_MBR    0x00fa  /* ... and repeat */
 #define ATKBD_CMD_RESET_BAT     0x02ff
 #define ATKBD_CMD_RESEND        0x00fe
 #define ATKBD_CMD_EX_ENABLE     0x10ea
@@ -764,6 +769,11 @@ static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra
                 }
         }
 
+        if (atkbd_terminal) {
+                ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB);
+                return 3;
+        }
+
         if (target_set != 3)
                 return 2;
 
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index 4b42ffc0532a..d1583aea1721 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -127,14 +127,6 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
         idev->id.product = 0x0001;
         idev->id.version = 0x0100;
 
-        input_set_drvdata(idev, lp);
-
-        ret = input_register_device(idev);
-        if (ret) {
-                dev_err(&client->dev, "input_register_device() failed\n");
-                goto fail_register;
-        }
-
         lp->laststate = read_state(lp);
 
         ret = request_threaded_irq(client->irq, NULL, pcf8574_kp_irq_handler,
@@ -142,16 +134,21 @@ static int __devinit pcf8574_kp_probe(struct i2c_client *client, const struct i2
                                    DRV_NAME, lp);
         if (ret) {
                 dev_err(&client->dev, "IRQ %d is not free\n", client->irq);
-                goto fail_irq;
+                goto fail_free_device;
+        }
+
+        ret = input_register_device(idev);
+        if (ret) {
+                dev_err(&client->dev, "input_register_device() failed\n");
+                goto fail_free_irq;
         }
 
         i2c_set_clientdata(client, lp);
         return 0;
 
- fail_irq:
-        input_unregister_device(idev);
- fail_register:
-        input_set_drvdata(idev, NULL);
+ fail_free_irq:
+        free_irq(client->irq, lp);
+ fail_free_device:
         input_free_device(idev);
  fail_allocate:
         kfree(lp);
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index ed7ad7416b24..a5475b577086 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -351,6 +351,17 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
                 },
         },
         {
+                /*
+                 * Most (all?) VAIOs do not have external PS/2 ports nor
+                 * they implement active multiplexing properly, and
+                 * MUX discovery usually messes up keyboard/touchpad.
+                 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+                        DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
+                },
+        },
+        {
                 /* Amoi M636/A737 */
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
index aea9a9399a36..d94f7e9aa997 100644
--- a/drivers/input/tablet/acecad.c
+++ b/drivers/input/tablet/acecad.c
@@ -229,12 +229,13 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
 
         err = input_register_device(acecad->input);
         if (err)
-                goto fail2;
+                goto fail3;
 
         usb_set_intfdata(intf, acecad);
 
         return 0;
 
+ fail3: usb_free_urb(acecad->irq);
  fail2: usb_free_coherent(dev, 8, acecad->data, acecad->data_dma);
  fail1: input_free_device(input_dev);
         kfree(acecad);
diff --git a/drivers/isdn/hisax/isar.c b/drivers/isdn/hisax/isar.c
index 40b914bded8c..2e72227bd071 100644
--- a/drivers/isdn/hisax/isar.c
+++ b/drivers/isdn/hisax/isar.c
@@ -1427,8 +1427,8 @@ modeisar(struct BCState *bcs, int mode, int bc)
                                         &bcs->hw.isar.reg->Flags))
                                         bcs->hw.isar.dpath = 1;
                                 else {
-                                        printk(KERN_WARNING"isar modeisar analog funktions only with DP1\n");
-                                        debugl1(cs, "isar modeisar analog funktions only with DP1");
+                                        printk(KERN_WARNING"isar modeisar analog functions only with DP1\n");
+                                        debugl1(cs, "isar modeisar analog functions only with DP1");
                                         return(1);
                                 }
                                 break;
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index cc2a88d5192f..77b8fd20cd90 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -10,7 +10,7 @@ menuconfig NEW_LEDS
 if NEW_LEDS
 
 config LEDS_CLASS
-        tristate "LED Class Support"
+        bool "LED Class Support"
         help
           This option enables the led sysfs class in /sys/class/leds.  You'll
           need this to do anything useful with LEDs.  If unsure, say N.
@@ -176,6 +176,24 @@ config LEDS_LP3944
           To compile this driver as a module, choose M here: the
           module will be called leds-lp3944.
 
+config LEDS_LP5521
+        tristate "LED Support for N.S. LP5521 LED driver chip"
+        depends on LEDS_CLASS && I2C
+        help
+          If you say yes here you get support for the National Semiconductor
+          LP5521 LED driver. It is 3 channel chip with programmable engines.
+          Driver provides direct control via LED class and interface for
+          programming the engines.
+
+config LEDS_LP5523
+        tristate "LED Support for N.S. LP5523 LED driver chip"
+        depends on LEDS_CLASS && I2C
+        help
+          If you say yes here you get support for the National Semiconductor
+          LP5523 LED driver. It is 9 channel chip with programmable engines.
+          Driver provides direct control via LED class and interface for
+          programming the engines.
+
 config LEDS_CLEVO_MAIL
         tristate "Mail LED on Clevo notebook"
         depends on X86 && SERIO_I8042 && DMI
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 9c96db40ef6d..aae6989ff6b6 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -23,6 +23,8 @@ obj-$(CONFIG_LEDS_SUNFIRE)		+= leds-sunfire.o
 obj-$(CONFIG_LEDS_PCA9532)              += leds-pca9532.o
 obj-$(CONFIG_LEDS_GPIO)                 += leds-gpio.o
 obj-$(CONFIG_LEDS_LP3944)               += leds-lp3944.o
+obj-$(CONFIG_LEDS_LP5521)               += leds-lp5521.o
+obj-$(CONFIG_LEDS_LP5523)               += leds-lp5523.o
 obj-$(CONFIG_LEDS_CLEVO_MAIL)           += leds-clevo-mail.o
 obj-$(CONFIG_LEDS_HP6XX)                += leds-hp6xx.o
 obj-$(CONFIG_LEDS_FSG)                  += leds-fsg.o
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 260660076507..211e21f34bd5 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -81,6 +81,79 @@ static struct device_attribute led_class_attrs[] = {
         __ATTR_NULL,
 };
 
+static void led_timer_function(unsigned long data)
+{
+        struct led_classdev *led_cdev = (void *)data;
+        unsigned long brightness;
+        unsigned long delay;
+
+        if (!led_cdev->blink_delay_on || !led_cdev->blink_delay_off) {
+                led_set_brightness(led_cdev, LED_OFF);
+                return;
+        }
+
+        brightness = led_get_brightness(led_cdev);
+        if (!brightness) {
+                /* Time to switch the LED on. */
+                brightness = led_cdev->blink_brightness;
+                delay = led_cdev->blink_delay_on;
+        } else {
+                /* Store the current brightness value to be able
+                 * to restore it when the delay_off period is over.
+                 */
+                led_cdev->blink_brightness = brightness;
+                brightness = LED_OFF;
+                delay = led_cdev->blink_delay_off;
+        }
+
+        led_set_brightness(led_cdev, brightness);
+
+        mod_timer(&led_cdev->blink_timer, jiffies + msecs_to_jiffies(delay));
+}
+
+static void led_stop_software_blink(struct led_classdev *led_cdev)
+{
+        /* deactivate previous settings */
+        del_timer_sync(&led_cdev->blink_timer);
+        led_cdev->blink_delay_on = 0;
+        led_cdev->blink_delay_off = 0;
+}
+
+static void led_set_software_blink(struct led_classdev *led_cdev,
+                                   unsigned long delay_on,
+                                   unsigned long delay_off)
+{
+        int current_brightness;
+
+        current_brightness = led_get_brightness(led_cdev);
+        if (current_brightness)
+                led_cdev->blink_brightness = current_brightness;
+        if (!led_cdev->blink_brightness)
+                led_cdev->blink_brightness = led_cdev->max_brightness;
+
+        if (delay_on == led_cdev->blink_delay_on &&
+            delay_off == led_cdev->blink_delay_off)
+                return;
+
+        led_stop_software_blink(led_cdev);
+
+        led_cdev->blink_delay_on = delay_on;
+        led_cdev->blink_delay_off = delay_off;
+
+        /* never on - don't blink */
+        if (!delay_on)
+                return;
+
+        /* never off - just set to brightness */
+        if (!delay_off) {
+                led_set_brightness(led_cdev, led_cdev->blink_brightness);
+                return;
+        }
+
+        mod_timer(&led_cdev->blink_timer, jiffies + 1);
+}
+
+
 /**
  * led_classdev_suspend - suspend an led_classdev.
  * @led_cdev: the led_classdev to suspend.
@@ -148,6 +221,10 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 
         led_update_brightness(led_cdev);
 
+        init_timer(&led_cdev->blink_timer);
+        led_cdev->blink_timer.function = led_timer_function;
+        led_cdev->blink_timer.data = (unsigned long)led_cdev;
+
 #ifdef CONFIG_LEDS_TRIGGERS
         led_trigger_set_default(led_cdev);
 #endif
@@ -157,7 +234,6 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 
         return 0;
 }
-
 EXPORT_SYMBOL_GPL(led_classdev_register);
 
 /**
@@ -175,6 +251,9 @@ void led_classdev_unregister(struct led_classdev *led_cdev)
         up_write(&led_cdev->trigger_lock);
 #endif
 
+        /* Stop blinking */
+        led_brightness_set(led_cdev, LED_OFF);
+
         device_unregister(led_cdev->dev);
 
         down_write(&leds_list_lock);
@@ -183,6 +262,30 @@ void led_classdev_unregister(struct led_classdev *led_cdev)
 }
 EXPORT_SYMBOL_GPL(led_classdev_unregister);
 
+void led_blink_set(struct led_classdev *led_cdev,
+                   unsigned long *delay_on,
+                   unsigned long *delay_off)
+{
+        if (led_cdev->blink_set &&
+            led_cdev->blink_set(led_cdev, delay_on, delay_off))
+                return;
+
+        /* blink with 1 Hz as default if nothing specified */
+        if (!*delay_on && !*delay_off)
+                *delay_on = *delay_off = 500;
+
+        led_set_software_blink(led_cdev, *delay_on, *delay_off);
+}
+EXPORT_SYMBOL(led_blink_set);
+
+void led_brightness_set(struct led_classdev *led_cdev,
+                        enum led_brightness brightness)
+{
+        led_stop_software_blink(led_cdev);
+        led_cdev->brightness_set(led_cdev, brightness);
+}
+EXPORT_SYMBOL(led_brightness_set);
+
 static int __init leds_init(void)
 {
         leds_class = class_create(THIS_MODULE, "leds");
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index f1c00db88b5e..c41eb6180c9c 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -113,7 +113,7 @@ void led_trigger_set(struct led_classdev *led_cdev, struct led_trigger *trigger)
                 if (led_cdev->trigger->deactivate)
                         led_cdev->trigger->deactivate(led_cdev);
                 led_cdev->trigger = NULL;
-                led_set_brightness(led_cdev, LED_OFF);
+                led_brightness_set(led_cdev, LED_OFF);
         }
         if (trigger) {
                 write_lock_irqsave(&trigger->leddev_list_lock, flags);
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index ea57e05d08f3..4d9fa38d9ff6 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -316,7 +316,7 @@ static struct of_platform_driver of_gpio_leds_driver = {
 
 static int __init gpio_led_init(void)
 {
-        int ret;
+        int ret = 0;
 
 #ifdef CONFIG_LEDS_GPIO_PLATFORM        
         ret = platform_driver_register(&gpio_led_driver);
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
new file mode 100644
index 000000000000..3782f31f06d2
--- /dev/null
+++ b/drivers/leds/leds-lp5521.c
@@ -0,0 +1,821 @@
+/*
+ * LP5521 LED chip driver.
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/ctype.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
+#include <linux/leds.h>
+#include <linux/leds-lp5521.h>
+#include <linux/workqueue.h>
+#include <linux/slab.h>
+
+#define LP5521_PROGRAM_LENGTH           32      /* in bytes */
+
+#define LP5521_MAX_LEDS                 3       /* Maximum number of LEDs */
+#define LP5521_MAX_ENGINES              3       /* Maximum number of engines */
+
+#define LP5521_ENG_MASK_BASE            0x30    /* 00110000 */
+#define LP5521_ENG_STATUS_MASK          0x07    /* 00000111 */
+
+#define LP5521_CMD_LOAD                 0x15    /* 00010101 */
+#define LP5521_CMD_RUN                  0x2a    /* 00101010 */
+#define LP5521_CMD_DIRECT               0x3f    /* 00111111 */
+#define LP5521_CMD_DISABLED             0x00    /* 00000000 */
+
+/* Registers */
+#define LP5521_REG_ENABLE               0x00
+#define LP5521_REG_OP_MODE              0x01
+#define LP5521_REG_R_PWM                0x02
+#define LP5521_REG_G_PWM                0x03
+#define LP5521_REG_B_PWM                0x04
+#define LP5521_REG_R_CURRENT            0x05
+#define LP5521_REG_G_CURRENT            0x06
+#define LP5521_REG_B_CURRENT            0x07
+#define LP5521_REG_CONFIG               0x08
+#define LP5521_REG_R_CHANNEL_PC         0x09
+#define LP5521_REG_G_CHANNEL_PC         0x0A
+#define LP5521_REG_B_CHANNEL_PC         0x0B
+#define LP5521_REG_STATUS               0x0C
+#define LP5521_REG_RESET                0x0D
+#define LP5521_REG_GPO                  0x0E
+#define LP5521_REG_R_PROG_MEM           0x10
+#define LP5521_REG_G_PROG_MEM           0x30
+#define LP5521_REG_B_PROG_MEM           0x50
+
+#define LP5521_PROG_MEM_BASE            LP5521_REG_R_PROG_MEM
+#define LP5521_PROG_MEM_SIZE            0x20
+
+/* Base register to set LED current */
+#define LP5521_REG_LED_CURRENT_BASE     LP5521_REG_R_CURRENT
+
+/* Base register to set the brightness */
+#define LP5521_REG_LED_PWM_BASE         LP5521_REG_R_PWM
+
+/* Bits in ENABLE register */
+#define LP5521_MASTER_ENABLE            0x40    /* Chip master enable */
+#define LP5521_LOGARITHMIC_PWM          0x80    /* Logarithmic PWM adjustment */
+#define LP5521_EXEC_RUN                 0x2A
+
+/* Bits in CONFIG register */
+#define LP5521_PWM_HF                   0x40    /* PWM: 0 = 256Hz, 1 = 558Hz */
+#define LP5521_PWRSAVE_EN               0x20    /* 1 = Power save mode */
+#define LP5521_CP_MODE_OFF              0       /* Charge pump (CP) off */
+#define LP5521_CP_MODE_BYPASS           8       /* CP forced to bypass mode */
+#define LP5521_CP_MODE_1X5              0x10    /* CP forced to 1.5x mode */
+#define LP5521_CP_MODE_AUTO             0x18    /* Automatic mode selection */
+#define LP5521_R_TO_BATT                4       /* R out: 0 = CP, 1 = Vbat */
+#define LP5521_CLK_SRC_EXT              0       /* Ext-clk source (CLK_32K) */
+#define LP5521_CLK_INT                  1       /* Internal clock */
+#define LP5521_CLK_AUTO                 2       /* Automatic clock selection */
+
+/* Status */
+#define LP5521_EXT_CLK_USED             0x08
+
+struct lp5521_engine {
+        const struct attribute_group *attributes;
+        int             id;
+        u8              mode;
+        u8              prog_page;
+        u8              engine_mask;
+};
+
+struct lp5521_led {
+        int                     id;
+        u8                      chan_nr;
+        u8                      led_current;
+        u8                      max_current;
+        struct led_classdev     cdev;
+        struct work_struct      brightness_work;
+        u8                      brightness;
+};
+
+struct lp5521_chip {
+        struct lp5521_platform_data *pdata;
+        struct mutex            lock; /* Serialize control */
+        struct i2c_client       *client;
+        struct lp5521_engine    engines[LP5521_MAX_ENGINES];
+        struct lp5521_led       leds[LP5521_MAX_LEDS];
+        u8                      num_channels;
+        u8                      num_leds;
+};
+
+#define cdev_to_led(c)          container_of(c, struct lp5521_led, cdev)
+#define engine_to_lp5521(eng)   container_of((eng), struct lp5521_chip, \
+                                                engines[(eng)->id - 1])
+#define led_to_lp5521(led)      container_of((led), struct lp5521_chip, \
+                                                leds[(led)->id])
+
+static void lp5521_led_brightness_work(struct work_struct *work);
+
+static inline int lp5521_write(struct i2c_client *client, u8 reg, u8 value)
+{
+        return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static int lp5521_read(struct i2c_client *client, u8 reg, u8 *buf)
+{
+        s32 ret;
+
+        ret = i2c_smbus_read_byte_data(client, reg);
+        if (ret < 0)
+                return -EIO;
+
+        *buf = ret;
+        return 0;
+}
+
+static int lp5521_set_engine_mode(struct lp5521_engine *engine, u8 mode)
+{
+        struct lp5521_chip *chip = engine_to_lp5521(engine);
+        struct i2c_client *client = chip->client;
+        int ret;
+        u8 engine_state;
+
+        /* Only transition between RUN and DIRECT mode are handled here */
+        if (mode == LP5521_CMD_LOAD)
+                return 0;
+
+        if (mode == LP5521_CMD_DISABLED)
+                mode = LP5521_CMD_DIRECT;
+
+        ret = lp5521_read(client, LP5521_REG_OP_MODE, &engine_state);
+
+        /* set mode only for this engine */
+        engine_state &= ~(engine->engine_mask);
+        mode &= engine->engine_mask;
+        engine_state |= mode;
+        ret |= lp5521_write(client, LP5521_REG_OP_MODE, engine_state);
+
+        return ret;
+}
+
+static int lp5521_load_program(struct lp5521_engine *eng, const u8 *pattern)
+{
+        struct lp5521_chip *chip = engine_to_lp5521(eng);
+        struct i2c_client *client = chip->client;
+        int ret;
+        int addr;
+        u8 mode;
+
+        /* move current engine to direct mode and remember the state */
+        ret = lp5521_set_engine_mode(eng, LP5521_CMD_DIRECT);
+        usleep_range(1000, 10000);
+        ret |= lp5521_read(client, LP5521_REG_OP_MODE, &mode);
+
+        /* For loading, all the engines to load mode */
+        lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_DIRECT);
+        usleep_range(1000, 10000);
+        lp5521_write(client, LP5521_REG_OP_MODE, LP5521_CMD_LOAD);
+        usleep_range(1000, 10000);
+
+        addr = LP5521_PROG_MEM_BASE + eng->prog_page * LP5521_PROG_MEM_SIZE;
+        i2c_smbus_write_i2c_block_data(client,
+                                addr,
+                                LP5521_PROG_MEM_SIZE,
+                                pattern);
+
+        ret |= lp5521_write(client, LP5521_REG_OP_MODE, mode);
+        return ret;
+}
+
+static int lp5521_set_led_current(struct lp5521_chip *chip, int led, u8 curr)
+{
+        return lp5521_write(chip->client,
+                    LP5521_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr,
+                    curr);
+}
+
+static void lp5521_init_engine(struct lp5521_chip *chip,
+                        const struct attribute_group *attr_group)
+{
+        int i;
+        for (i = 0; i < ARRAY_SIZE(chip->engines); i++) {
+                chip->engines[i].id = i + 1;
+                chip->engines[i].engine_mask = LP5521_ENG_MASK_BASE >> (i * 2);
+                chip->engines[i].prog_page = i;
+                chip->engines[i].attributes = &attr_group[i];
+        }
+}
+
+static int lp5521_configure(struct i2c_client *client,
+                        const struct attribute_group *attr_group)
+{
+        struct lp5521_chip *chip = i2c_get_clientdata(client);
+        int ret;
+
+        lp5521_init_engine(chip, attr_group);
+
+        lp5521_write(client, LP5521_REG_RESET, 0xff);
+
+        usleep_range(10000, 20000);
+
+        /* Set all PWMs to direct control mode */
+        ret = lp5521_write(client, LP5521_REG_OP_MODE, 0x3F);
+
+        /* Enable auto-powersave, set charge pump to auto, red to battery */
+        ret |= lp5521_write(client, LP5521_REG_CONFIG,
+                LP5521_PWRSAVE_EN | LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT);
+
+        /* Initialize all channels PWM to zero -> leds off */
+        ret |= lp5521_write(client, LP5521_REG_R_PWM, 0);
+        ret |= lp5521_write(client, LP5521_REG_G_PWM, 0);
+        ret |= lp5521_write(client, LP5521_REG_B_PWM, 0);
+
+        /* Set engines are set to run state when OP_MODE enables engines */
+        ret |= lp5521_write(client, LP5521_REG_ENABLE,
+                        LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM |
+                        LP5521_EXEC_RUN);
+        /* enable takes 500us */
+        usleep_range(500, 20000);
+
+        return ret;
+}
+
+static int lp5521_run_selftest(struct lp5521_chip *chip, char *buf)
+{
+        int ret;
+        u8 status;
+
+        ret = lp5521_read(chip->client, LP5521_REG_STATUS, &status);
+        if (ret < 0)
+                return ret;
+
+        /* Check that ext clock is really in use if requested */
+        if (chip->pdata && chip->pdata->clock_mode == LP5521_CLOCK_EXT)
+                if  ((status & LP5521_EXT_CLK_USED) == 0)
+                        return -EIO;
+        return 0;
+}
+
+static void lp5521_set_brightness(struct led_classdev *cdev,
+                             enum led_brightness brightness)
+{
+        struct lp5521_led *led = cdev_to_led(cdev);
+        led->brightness = (u8)brightness;
+        schedule_work(&led->brightness_work);
+}
+
+static void lp5521_led_brightness_work(struct work_struct *work)
+{
+        struct lp5521_led *led = container_of(work,
+                                              struct lp5521_led,
+                                              brightness_work);
+        struct lp5521_chip *chip = led_to_lp5521(led);
+        struct i2c_client *client = chip->client;
+
+        mutex_lock(&chip->lock);
+        lp5521_write(client, LP5521_REG_LED_PWM_BASE + led->chan_nr,
+                led->brightness);
+        mutex_unlock(&chip->lock);
+}
+
+/* Detect the chip by setting its ENABLE register and reading it back. */
+static int lp5521_detect(struct i2c_client *client)
+{
+        int ret;
+        u8 buf;
+
+        ret = lp5521_write(client, LP5521_REG_ENABLE,
+                        LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM);
+        if (ret)
+                return ret;
+        usleep_range(1000, 10000);
+        ret = lp5521_read(client, LP5521_REG_ENABLE, &buf);
+        if (ret)
+                return ret;
+        if (buf != (LP5521_MASTER_ENABLE | LP5521_LOGARITHMIC_PWM))
+                return -ENODEV;
+
+        return 0;
+}
+
+/* Set engine mode and create appropriate sysfs attributes, if required. */
+static int lp5521_set_mode(struct lp5521_engine *engine, u8 mode)
+{
+        struct lp5521_chip *chip = engine_to_lp5521(engine);
+        struct i2c_client *client = chip->client;
+        struct device *dev = &client->dev;
+        int ret = 0;
+
+        /* if in that mode already do nothing, except for run */
+        if (mode == engine->mode && mode != LP5521_CMD_RUN)
+                return 0;
+
+        if (mode == LP5521_CMD_RUN) {
+                ret = lp5521_set_engine_mode(engine, LP5521_CMD_RUN);
+        } else if (mode == LP5521_CMD_LOAD) {
+                lp5521_set_engine_mode(engine, LP5521_CMD_DISABLED);
+                lp5521_set_engine_mode(engine, LP5521_CMD_LOAD);
+
+                ret = sysfs_create_group(&dev->kobj, engine->attributes);
+                if (ret)
+                        return ret;
+        } else if (mode == LP5521_CMD_DISABLED) {
+                lp5521_set_engine_mode(engine, LP5521_CMD_DISABLED);
+        }
+
+        /* remove load attribute from sysfs if not in load mode */
+        if (engine->mode == LP5521_CMD_LOAD && mode != LP5521_CMD_LOAD)
+                sysfs_remove_group(&dev->kobj, engine->attributes);
+
+        engine->mode = mode;
+
+        return ret;
+}
+
+static int lp5521_do_store_load(struct lp5521_engine *engine,
+                                const char *buf, size_t len)
+{
+        struct lp5521_chip *chip = engine_to_lp5521(engine);
+        struct i2c_client *client = chip->client;
+        int  ret, nrchars, offset = 0, i = 0;
+        char c[3];
+        unsigned cmd;
+        u8 pattern[LP5521_PROGRAM_LENGTH] = {0};
+
+        while ((offset < len - 1) && (i < LP5521_PROGRAM_LENGTH)) {
+                /* separate sscanfs because length is working only for %s */
+                ret = sscanf(buf + offset, "%2s%n ", c, &nrchars);
+                ret = sscanf(c, "%2x", &cmd);
+                if (ret != 1)
+                        goto fail;
+                pattern[i] = (u8)cmd;
+
+                offset += nrchars;
+                i++;
+        }
+
+        /* Each instruction is 16bit long. Check that length is even */
+        if (i % 2)
+                goto fail;
+
+        mutex_lock(&chip->lock);
+        ret = lp5521_load_program(engine, pattern);
+        mutex_unlock(&chip->lock);
+
+        if (ret) {
+                dev_err(&client->dev, "failed loading pattern\n");
+                return ret;
+        }
+
+        return len;
+fail:
+        dev_err(&client->dev, "wrong pattern format\n");
+        return -EINVAL;
+}
+
+static ssize_t store_engine_load(struct device *dev,
+                                     struct device_attribute *attr,
+                                     const char *buf, size_t len, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5521_chip *chip = i2c_get_clientdata(client);
+        return lp5521_do_store_load(&chip->engines[nr - 1], buf, len);
+}
+
+#define store_load(nr)                                                  \
+static ssize_t store_engine##nr##_load(struct device *dev,              \
+                                     struct device_attribute *attr,     \
+                                     const char *buf, size_t len)       \
+{                                                                       \
+        return store_engine_load(dev, attr, buf, len, nr);              \
+}
+store_load(1)
+store_load(2)
+store_load(3)
+
+static ssize_t show_engine_mode(struct device *dev,
+                                struct device_attribute *attr,
+                                char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5521_chip *chip = i2c_get_clientdata(client);
+        switch (chip->engines[nr - 1].mode) {
+        case LP5521_CMD_RUN:
+                return sprintf(buf, "run\n");
+        case LP5521_CMD_LOAD:
+                return sprintf(buf, "load\n");
+        case LP5521_CMD_DISABLED:
+                return sprintf(buf, "disabled\n");
+        default:
+                return sprintf(buf, "disabled\n");
+        }
+}
+
+#define show_mode(nr)                                                   \
+static ssize_t show_engine##nr##_mode(struct device *dev,               \
+                                    struct device_attribute *attr,      \
+                                    char *buf)                          \
+{                                                                       \
+        return show_engine_mode(dev, attr, buf, nr);                    \
+}
+show_mode(1)
+show_mode(2)
+show_mode(3)
+
+static ssize_t store_engine_mode(struct device *dev,
+                                 struct device_attribute *attr,
+                                 const char *buf, size_t len, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5521_chip *chip = i2c_get_clientdata(client);
+        struct lp5521_engine *engine = &chip->engines[nr - 1];
+        mutex_lock(&chip->lock);
+
+        if (!strncmp(buf, "run", 3))
+                lp5521_set_mode(engine, LP5521_CMD_RUN);
+        else if (!strncmp(buf, "load", 4))
+                lp5521_set_mode(engine, LP5521_CMD_LOAD);
+        else if (!strncmp(buf, "disabled", 8))
+                lp5521_set_mode(engine, LP5521_CMD_DISABLED);
+
+        mutex_unlock(&chip->lock);
+        return len;
+}
+
+#define store_mode(nr)                                                  \
+static ssize_t store_engine##nr##_mode(struct device *dev,              \
+                                     struct device_attribute *attr,     \
+                                     const char *buf, size_t len)       \
+{                                                                       \
+        return store_engine_mode(dev, attr, buf, len, nr);              \
+}
+store_mode(1)
+store_mode(2)
+store_mode(3)
+
+static ssize_t show_max_current(struct device *dev,
+                            struct device_attribute *attr,
+                            char *buf)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct lp5521_led *led = cdev_to_led(led_cdev);
+
+        return sprintf(buf, "%d\n", led->max_current);
+}
+
+static ssize_t show_current(struct device *dev,
+                            struct device_attribute *attr,
+                            char *buf)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct lp5521_led *led = cdev_to_led(led_cdev);
+
+        return sprintf(buf, "%d\n", led->led_current);
+}
+
+static ssize_t store_current(struct device *dev,
+                             struct device_attribute *attr,
+                             const char *buf, size_t len)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct lp5521_led *led = cdev_to_led(led_cdev);
+        struct lp5521_chip *chip = led_to_lp5521(led);
+        ssize_t ret;
+        unsigned long curr;
+
+        if (strict_strtoul(buf, 0, &curr))
+                return -EINVAL;
+
+        if (curr > led->max_current)
+                return -EINVAL;
+
+        mutex_lock(&chip->lock);
+        ret = lp5521_set_led_current(chip, led->id, curr);
+        mutex_unlock(&chip->lock);
+
+        if (ret < 0)
+                return ret;
+
+        led->led_current = (u8)curr;
+
+        return len;
+}
+
+static ssize_t lp5521_selftest(struct device *dev,
+                               struct device_attribute *attr,
+                               char *buf)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5521_chip *chip = i2c_get_clientdata(client);
+        int ret;
+
+        mutex_lock(&chip->lock);
+        ret = lp5521_run_selftest(chip, buf);
+        mutex_unlock(&chip->lock);
+        return sprintf(buf, "%s\n", ret ? "FAIL" : "OK");
+}
+
+/* led class device attributes */
+static DEVICE_ATTR(led_current, S_IRUGO | S_IWUGO, show_current, store_current);
+static DEVICE_ATTR(max_current, S_IRUGO , show_max_current, NULL);
+
+static struct attribute *lp5521_led_attributes[] = {
+        &dev_attr_led_current.attr,
+        &dev_attr_max_current.attr,
+        NULL,
+};
+
+static struct attribute_group lp5521_led_attribute_group = {
+        .attrs = lp5521_led_attributes
+};
+
+/* device attributes */
+static DEVICE_ATTR(engine1_mode, S_IRUGO | S_IWUGO,
+                   show_engine1_mode, store_engine1_mode);
+static DEVICE_ATTR(engine2_mode, S_IRUGO | S_IWUGO,
+                   show_engine2_mode, store_engine2_mode);
+static DEVICE_ATTR(engine3_mode, S_IRUGO | S_IWUGO,
+                   show_engine3_mode, store_engine3_mode);
+static DEVICE_ATTR(engine1_load, S_IWUGO, NULL, store_engine1_load);
+static DEVICE_ATTR(engine2_load, S_IWUGO, NULL, store_engine2_load);
+static DEVICE_ATTR(engine3_load, S_IWUGO, NULL, store_engine3_load);
+static DEVICE_ATTR(selftest, S_IRUGO, lp5521_selftest, NULL);
+
+static struct attribute *lp5521_attributes[] = {
+        &dev_attr_engine1_mode.attr,
+        &dev_attr_engine2_mode.attr,
+        &dev_attr_engine3_mode.attr,
+        &dev_attr_selftest.attr,
+        NULL
+};
+
+static struct attribute *lp5521_engine1_attributes[] = {
+        &dev_attr_engine1_load.attr,
+        NULL
+};
+
+static struct attribute *lp5521_engine2_attributes[] = {
+        &dev_attr_engine2_load.attr,
+        NULL
+};
+
+static struct attribute *lp5521_engine3_attributes[] = {
+        &dev_attr_engine3_load.attr,
+        NULL
+};
+
+static const struct attribute_group lp5521_group = {
+        .attrs = lp5521_attributes,
+};
+
+static const struct attribute_group lp5521_engine_group[] = {
+        {.attrs = lp5521_engine1_attributes },
+        {.attrs = lp5521_engine2_attributes },
+        {.attrs = lp5521_engine3_attributes },
+};
+
+static int lp5521_register_sysfs(struct i2c_client *client)
+{
+        struct device *dev = &client->dev;
+        return sysfs_create_group(&dev->kobj, &lp5521_group);
+}
+
+static void lp5521_unregister_sysfs(struct i2c_client *client)
+{
+        struct lp5521_chip *chip = i2c_get_clientdata(client);
+        struct device *dev = &client->dev;
+        int i;
+
+        sysfs_remove_group(&dev->kobj, &lp5521_group);
+
+        for (i = 0; i <  ARRAY_SIZE(chip->engines); i++) {
+                if (chip->engines[i].mode == LP5521_CMD_LOAD)
+                        sysfs_remove_group(&dev->kobj,
+                                        chip->engines[i].attributes);
+        }
+
+        for (i = 0; i < chip->num_leds; i++)
+                sysfs_remove_group(&chip->leds[i].cdev.dev->kobj,
+                                &lp5521_led_attribute_group);
+}
+
+static int __init lp5521_init_led(struct lp5521_led *led,
+                                struct i2c_client *client,
+                                int chan, struct lp5521_platform_data *pdata)
+{
+        struct device *dev = &client->dev;
+        char name[32];
+        int res;
+
+        if (chan >= LP5521_MAX_LEDS)
+                return -EINVAL;
+
+        if (pdata->led_config[chan].led_current == 0)
+                return 0;
+
+        led->led_current = pdata->led_config[chan].led_current;
+        led->max_current = pdata->led_config[chan].max_current;
+        led->chan_nr = pdata->led_config[chan].chan_nr;
+
+        if (led->chan_nr >= LP5521_MAX_LEDS) {
+                dev_err(dev, "Use channel numbers between 0 and %d\n",
+                        LP5521_MAX_LEDS - 1);
+                return -EINVAL;
+        }
+
+        snprintf(name, sizeof(name), "%s:channel%d", client->name, chan);
+        led->cdev.brightness_set = lp5521_set_brightness;
+        led->cdev.name = name;
+        res = led_classdev_register(dev, &led->cdev);
+        if (res < 0) {
+                dev_err(dev, "couldn't register led on channel %d\n", chan);
+                return res;
+        }
+
+        res = sysfs_create_group(&led->cdev.dev->kobj,
+                        &lp5521_led_attribute_group);
+        if (res < 0) {
+                dev_err(dev, "couldn't register current attribute\n");
+                led_classdev_unregister(&led->cdev);
+                return res;
+        }
+        return 0;
+}
+
+static int lp5521_probe(struct i2c_client *client,
+                        const struct i2c_device_id *id)
+{
+        struct lp5521_chip              *chip;
+        struct lp5521_platform_data     *pdata;
+        int ret, i, led;
+
+        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+        if (!chip)
+                return -ENOMEM;
+
+        i2c_set_clientdata(client, chip);
+        chip->client = client;
+
+        pdata = client->dev.platform_data;
+
+        if (!pdata) {
+                dev_err(&client->dev, "no platform data\n");
+                ret = -EINVAL;
+                goto fail1;
+        }
+
+        mutex_init(&chip->lock);
+
+        chip->pdata   = pdata;
+
+        if (pdata->setup_resources) {
+                ret = pdata->setup_resources();
+                if (ret < 0)
+                        goto fail1;
+        }
+
+        if (pdata->enable) {
+                pdata->enable(0);
+                usleep_range(1000, 10000);
+                pdata->enable(1);
+                usleep_range(1000, 10000); /* Spec says min 500us */
+        }
+
+        ret = lp5521_detect(client);
+
+        if (ret) {
+                dev_err(&client->dev, "Chip not found\n");
+                goto fail2;
+        }
+
+        dev_info(&client->dev, "%s programmable led chip found\n", id->name);
+
+        ret = lp5521_configure(client, lp5521_engine_group);
+        if (ret < 0) {
+                dev_err(&client->dev, "error configuring chip\n");
+                goto fail2;
+        }
+
+        /* Initialize leds */
+        chip->num_channels = pdata->num_channels;
+        chip->num_leds = 0;
+        led = 0;
+        for (i = 0; i < pdata->num_channels; i++) {
+                /* Do not initialize channels that are not connected */
+                if (pdata->led_config[i].led_current == 0)
+                        continue;
+
+                ret = lp5521_init_led(&chip->leds[led], client, i, pdata);
+                if (ret) {
+                        dev_err(&client->dev, "error initializing leds\n");
+                        goto fail3;
+                }
+                chip->num_leds++;
+
+                chip->leds[led].id = led;
+                /* Set initial LED current */
+                lp5521_set_led_current(chip, led,
+                                chip->leds[led].led_current);
+
+                INIT_WORK(&(chip->leds[led].brightness_work),
+                        lp5521_led_brightness_work);
+
+                led++;
+        }
+
+        ret = lp5521_register_sysfs(client);
+        if (ret) {
+                dev_err(&client->dev, "registering sysfs failed\n");
+                goto fail3;
+        }
+        return ret;
+fail3:
+        for (i = 0; i < chip->num_leds; i++) {
+                led_classdev_unregister(&chip->leds[i].cdev);
+                cancel_work_sync(&chip->leds[i].brightness_work);
+        }
+fail2:
+        if (pdata->enable)
+                pdata->enable(0);
+        if (pdata->release_resources)
+                pdata->release_resources();
+fail1:
+        kfree(chip);
+        return ret;
+}
+
+static int lp5521_remove(struct i2c_client *client)
+{
+        struct lp5521_chip *chip = i2c_get_clientdata(client);
+        int i;
+
+        lp5521_unregister_sysfs(client);
+
+        for (i = 0; i < chip->num_leds; i++) {
+                led_classdev_unregister(&chip->leds[i].cdev);
+                cancel_work_sync(&chip->leds[i].brightness_work);
+        }
+
+        if (chip->pdata->enable)
+                chip->pdata->enable(0);
+        if (chip->pdata->release_resources)
+                chip->pdata->release_resources();
+        kfree(chip);
+        return 0;
+}
+
+static const struct i2c_device_id lp5521_id[] = {
+        { "lp5521", 0 }, /* Three channel chip */
+        { }
+};
+MODULE_DEVICE_TABLE(i2c, lp5521_id);
+
+static struct i2c_driver lp5521_driver = {
+        .driver = {
+                .name   = "lp5521",
+        },
+        .probe          = lp5521_probe,
+        .remove         = lp5521_remove,
+        .id_table       = lp5521_id,
+};
+
+static int __init lp5521_init(void)
+{
+        int ret;
+
+        ret = i2c_add_driver(&lp5521_driver);
+
+        if (ret < 0)
+                printk(KERN_ALERT "Adding lp5521 driver failed\n");
+
+        return ret;
+}
+
+static void __exit lp5521_exit(void)
+{
+        i2c_del_driver(&lp5521_driver);
+}
+
+module_init(lp5521_init);
+module_exit(lp5521_exit);
+
+MODULE_AUTHOR("Mathias Nyman, Yuri Zaporozhets, Samu Onkalo");
+MODULE_DESCRIPTION("LP5521 LED engine");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
new file mode 100644
index 000000000000..1e11fcc08b28
--- /dev/null
+++ b/drivers/leds/leds-lp5523.c
@@ -0,0 +1,1065 @@
+/*
+ * lp5523.c - LP5523 LED Driver
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/ctype.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
+#include <linux/leds.h>
+#include <linux/leds-lp5523.h>
+#include <linux/workqueue.h>
+#include <linux/slab.h>
+
+#define LP5523_REG_ENABLE               0x00
+#define LP5523_REG_OP_MODE              0x01
+#define LP5523_REG_RATIOMETRIC_MSB      0x02
+#define LP5523_REG_RATIOMETRIC_LSB      0x03
+#define LP5523_REG_ENABLE_LEDS_MSB      0x04
+#define LP5523_REG_ENABLE_LEDS_LSB      0x05
+#define LP5523_REG_LED_CNTRL_BASE       0x06
+#define LP5523_REG_LED_PWM_BASE         0x16
+#define LP5523_REG_LED_CURRENT_BASE     0x26
+#define LP5523_REG_CONFIG               0x36
+#define LP5523_REG_CHANNEL1_PC          0x37
+#define LP5523_REG_CHANNEL2_PC          0x38
+#define LP5523_REG_CHANNEL3_PC          0x39
+#define LP5523_REG_STATUS               0x3a
+#define LP5523_REG_GPO                  0x3b
+#define LP5523_REG_VARIABLE             0x3c
+#define LP5523_REG_RESET                0x3d
+#define LP5523_REG_TEMP_CTRL            0x3e
+#define LP5523_REG_TEMP_READ            0x3f
+#define LP5523_REG_TEMP_WRITE           0x40
+#define LP5523_REG_LED_TEST_CTRL        0x41
+#define LP5523_REG_LED_TEST_ADC         0x42
+#define LP5523_REG_ENG1_VARIABLE        0x45
+#define LP5523_REG_ENG2_VARIABLE        0x46
+#define LP5523_REG_ENG3_VARIABLE        0x47
+#define LP5523_REG_MASTER_FADER1        0x48
+#define LP5523_REG_MASTER_FADER2        0x49
+#define LP5523_REG_MASTER_FADER3        0x4a
+#define LP5523_REG_CH1_PROG_START       0x4c
+#define LP5523_REG_CH2_PROG_START       0x4d
+#define LP5523_REG_CH3_PROG_START       0x4e
+#define LP5523_REG_PROG_PAGE_SEL        0x4f
+#define LP5523_REG_PROG_MEM             0x50
+
+#define LP5523_CMD_LOAD                 0x15 /* 00010101 */
+#define LP5523_CMD_RUN                  0x2a /* 00101010 */
+#define LP5523_CMD_DISABLED             0x00 /* 00000000 */
+
+#define LP5523_ENABLE                   0x40
+#define LP5523_AUTO_INC                 0x40
+#define LP5523_PWR_SAVE                 0x20
+#define LP5523_PWM_PWR_SAVE             0x04
+#define LP5523_CP_1                     0x08
+#define LP5523_CP_1_5                   0x10
+#define LP5523_CP_AUTO                  0x18
+#define LP5523_INT_CLK                  0x01
+#define LP5523_AUTO_CLK                 0x02
+#define LP5523_EN_LEDTEST               0x80
+#define LP5523_LEDTEST_DONE             0x80
+
+#define LP5523_DEFAULT_CURRENT          50 /* microAmps */
+#define LP5523_PROGRAM_LENGTH           32 /* in bytes */
+#define LP5523_PROGRAM_PAGES            6
+#define LP5523_ADC_SHORTCIRC_LIM        80
+
+#define LP5523_LEDS                     9
+#define LP5523_ENGINES                  3
+
+#define LP5523_ENG_MASK_BASE            0x30 /* 00110000 */
+
+#define LP5523_ENG_STATUS_MASK          0x07 /* 00000111 */
+
+#define LP5523_IRQ_FLAGS                IRQF_TRIGGER_FALLING
+
+#define LP5523_EXT_CLK_USED             0x08
+
+#define LED_ACTIVE(mux, led)            (!!(mux & (0x0001 << led)))
+#define SHIFT_MASK(id)                  (((id) - 1) * 2)
+
+struct lp5523_engine {
+        const struct attribute_group *attributes;
+        int             id;
+        u8              mode;
+        u8              prog_page;
+        u8              mux_page;
+        u16             led_mux;
+        u8              engine_mask;
+};
+
+struct lp5523_led {
+        int                     id;
+        u8                      chan_nr;
+        u8                      led_current;
+        u8                      max_current;
+        struct led_classdev     cdev;
+        struct work_struct      brightness_work;
+        u8                      brightness;
+};
+
+struct lp5523_chip {
+        struct mutex            lock; /* Serialize control */
+        struct i2c_client       *client;
+        struct lp5523_engine    engines[LP5523_ENGINES];
+        struct lp5523_led       leds[LP5523_LEDS];
+        struct lp5523_platform_data *pdata;
+        u8                      num_channels;
+        u8                      num_leds;
+};
+
+#define cdev_to_led(c)          container_of(c, struct lp5523_led, cdev)
+
+static struct lp5523_chip *engine_to_lp5523(struct lp5523_engine *engine)
+{
+        return container_of(engine, struct lp5523_chip,
+                            engines[engine->id - 1]);
+}
+
+static struct lp5523_chip *led_to_lp5523(struct lp5523_led *led)
+{
+        return container_of(led, struct lp5523_chip,
+                            leds[led->id]);
+}
+
+static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode);
+static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode);
+static int lp5523_load_program(struct lp5523_engine *engine, u8 *pattern);
+
+static void lp5523_led_brightness_work(struct work_struct *work);
+
+static int lp5523_write(struct i2c_client *client, u8 reg, u8 value)
+{
+        return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static int lp5523_read(struct i2c_client *client, u8 reg, u8 *buf)
+{
+        s32 ret = i2c_smbus_read_byte_data(client, reg);
+
+        if (ret < 0)
+                return -EIO;
+
+        *buf = ret;
+        return 0;
+}
+
+static int lp5523_detect(struct i2c_client *client)
+{
+        int ret;
+        u8 buf;
+
+        ret = lp5523_write(client, LP5523_REG_ENABLE, 0x40);
+        if (ret)
+                return ret;
+        ret = lp5523_read(client, LP5523_REG_ENABLE, &buf);
+        if (ret)
+                return ret;
+        if (buf == 0x40)
+                return 0;
+        else
+                return -ENODEV;
+}
+
+static int lp5523_configure(struct i2c_client *client)
+{
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        int ret = 0;
+        u8 status;
+
+        /* one pattern per engine setting led mux start and stop addresses */
+        u8 pattern[][LP5523_PROGRAM_LENGTH] =  {
+                { 0x9c, 0x30, 0x9c, 0xb0, 0x9d, 0x80, 0xd8, 0x00, 0},
+                { 0x9c, 0x40, 0x9c, 0xc0, 0x9d, 0x80, 0xd8, 0x00, 0},
+                { 0x9c, 0x50, 0x9c, 0xd0, 0x9d, 0x80, 0xd8, 0x00, 0},
+        };
+
+        lp5523_write(client, LP5523_REG_RESET, 0xff);
+
+        usleep_range(10000, 100000);
+
+        ret |= lp5523_write(client, LP5523_REG_ENABLE, LP5523_ENABLE);
+        /* Chip startup time after reset is 500 us */
+        usleep_range(1000, 10000);
+
+        ret |= lp5523_write(client, LP5523_REG_CONFIG,
+                            LP5523_AUTO_INC | LP5523_PWR_SAVE |
+                            LP5523_CP_AUTO | LP5523_AUTO_CLK |
+                            LP5523_PWM_PWR_SAVE);
+
+        /* turn on all leds */
+        ret |= lp5523_write(client, LP5523_REG_ENABLE_LEDS_MSB, 0x01);
+        ret |= lp5523_write(client, LP5523_REG_ENABLE_LEDS_LSB, 0xff);
+
+        /* hardcode 32 bytes of memory for each engine from program memory */
+        ret |= lp5523_write(client, LP5523_REG_CH1_PROG_START, 0x00);
+        ret |= lp5523_write(client, LP5523_REG_CH2_PROG_START, 0x10);
+        ret |= lp5523_write(client, LP5523_REG_CH3_PROG_START, 0x20);
+
+        /* write led mux address space for each channel */
+        ret |= lp5523_load_program(&chip->engines[0], pattern[0]);
+        ret |= lp5523_load_program(&chip->engines[1], pattern[1]);
+        ret |= lp5523_load_program(&chip->engines[2], pattern[2]);
+
+        if (ret) {
+                dev_err(&client->dev, "could not load mux programs\n");
+                return -1;
+        }
+
+        /* set all engines exec state and mode to run 00101010 */
+        ret |= lp5523_write(client, LP5523_REG_ENABLE,
+                            (LP5523_CMD_RUN | LP5523_ENABLE));
+
+        ret |= lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_RUN);
+
+        if (ret) {
+                dev_err(&client->dev, "could not start mux programs\n");
+                return -1;
+        }
+
+        /* Wait 3ms and check the engine status */
+        usleep_range(3000, 20000);
+        lp5523_read(client, LP5523_REG_STATUS, &status);
+        status &= LP5523_ENG_STATUS_MASK;
+
+        if (status == LP5523_ENG_STATUS_MASK) {
+                dev_dbg(&client->dev, "all engines configured\n");
+        } else {
+                dev_info(&client->dev, "status == %x\n", status);
+                dev_err(&client->dev, "cound not configure LED engine\n");
+                return -1;
+        }
+
+        dev_info(&client->dev, "disabling engines\n");
+
+        ret |= lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_DISABLED);
+
+        return ret;
+}
+
+static int lp5523_set_engine_mode(struct lp5523_engine *engine, u8 mode)
+{
+        struct lp5523_chip *chip = engine_to_lp5523(engine);
+        struct i2c_client *client = chip->client;
+        int ret;
+        u8 engine_state;
+
+        ret = lp5523_read(client, LP5523_REG_OP_MODE, &engine_state);
+        if (ret)
+                goto fail;
+
+        engine_state &= ~(engine->engine_mask);
+
+        /* set mode only for this engine */
+        mode &= engine->engine_mask;
+
+        engine_state |= mode;
+
+        ret |= lp5523_write(client, LP5523_REG_OP_MODE, engine_state);
+fail:
+        return ret;
+}
+
+static int lp5523_load_mux(struct lp5523_engine *engine, u16 mux)
+{
+        struct lp5523_chip *chip = engine_to_lp5523(engine);
+        struct i2c_client *client = chip->client;
+        int ret = 0;
+
+        ret |= lp5523_set_engine_mode(engine, LP5523_CMD_LOAD);
+
+        ret |= lp5523_write(client, LP5523_REG_PROG_PAGE_SEL, engine->mux_page);
+        ret |= lp5523_write(client, LP5523_REG_PROG_MEM,
+                            (u8)(mux >> 8));
+        ret |= lp5523_write(client, LP5523_REG_PROG_MEM + 1, (u8)(mux));
+        engine->led_mux = mux;
+
+        return ret;
+}
+
+static int lp5523_load_program(struct lp5523_engine *engine, u8 *pattern)
+{
+        struct lp5523_chip *chip = engine_to_lp5523(engine);
+        struct i2c_client *client = chip->client;
+
+        int ret = 0;
+
+        ret |= lp5523_set_engine_mode(engine, LP5523_CMD_LOAD);
+
+        ret |= lp5523_write(client, LP5523_REG_PROG_PAGE_SEL,
+                            engine->prog_page);
+        ret |= i2c_smbus_write_i2c_block_data(client, LP5523_REG_PROG_MEM,
+                                              LP5523_PROGRAM_LENGTH, pattern);
+
+        return ret;
+}
+
+static int lp5523_run_program(struct lp5523_engine *engine)
+{
+        struct lp5523_chip *chip = engine_to_lp5523(engine);
+        struct i2c_client *client = chip->client;
+        int ret;
+
+        ret = lp5523_write(client, LP5523_REG_ENABLE,
+                                        LP5523_CMD_RUN | LP5523_ENABLE);
+        if (ret)
+                goto fail;
+
+        ret = lp5523_set_engine_mode(engine, LP5523_CMD_RUN);
+fail:
+        return ret;
+}
+
+static int lp5523_mux_parse(const char *buf, u16 *mux, size_t len)
+{
+        int i;
+        u16 tmp_mux = 0;
+        len = len < LP5523_LEDS ? len : LP5523_LEDS;
+        for (i = 0; i < len; i++) {
+                switch (buf[i]) {
+                case '1':
+                        tmp_mux |= (1 << i);
+                        break;
+                case '0':
+                        break;
+                case '\n':
+                        i = len;
+                        break;
+                default:
+                        return -1;
+                }
+        }
+        *mux = tmp_mux;
+
+        return 0;
+}
+
+static void lp5523_mux_to_array(u16 led_mux, char *array)
+{
+        int i, pos = 0;
+        for (i = 0; i < LP5523_LEDS; i++)
+                pos += sprintf(array + pos, "%x", LED_ACTIVE(led_mux, i));
+
+        array[pos] = '\0';
+}
+
+/*--------------------------------------------------------------*/
+/*                      Sysfs interface                         */
+/*--------------------------------------------------------------*/
+
+static ssize_t show_engine_leds(struct device *dev,
+                            struct device_attribute *attr,
+                            char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        char mux[LP5523_LEDS + 1];
+
+        lp5523_mux_to_array(chip->engines[nr - 1].led_mux, mux);
+
+        return sprintf(buf, "%s\n", mux);
+}
+
+#define show_leds(nr)                                                   \
+static ssize_t show_engine##nr##_leds(struct device *dev,               \
+                            struct device_attribute *attr,              \
+                            char *buf)                                  \
+{                                                                       \
+        return show_engine_leds(dev, attr, buf, nr);                    \
+}
+show_leds(1)
+show_leds(2)
+show_leds(3)
+
+static ssize_t store_engine_leds(struct device *dev,
+                             struct device_attribute *attr,
+                             const char *buf, size_t len, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        u16 mux = 0;
+
+        if (lp5523_mux_parse(buf, &mux, len))
+                return -EINVAL;
+
+        if (lp5523_load_mux(&chip->engines[nr - 1], mux))
+                return -EINVAL;
+
+        return len;
+}
+
+#define store_leds(nr)                                          \
+static ssize_t store_engine##nr##_leds(struct device *dev,      \
+                             struct device_attribute *attr,     \
+                             const char *buf, size_t len)       \
+{                                                               \
+        return store_engine_leds(dev, attr, buf, len, nr);      \
+}
+store_leds(1)
+store_leds(2)
+store_leds(3)
+
+static ssize_t lp5523_selftest(struct device *dev,
+                               struct device_attribute *attr,
+                               char *buf)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        int i, ret, pos = 0;
+        int led = 0;
+        u8 status, adc, vdd;
+
+        mutex_lock(&chip->lock);
+
+        ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status);
+        if (ret < 0)
+                goto fail;
+
+        /* Check that ext clock is really in use if requested */
+        if ((chip->pdata) && (chip->pdata->clock_mode == LP5523_CLOCK_EXT))
+                if  ((status & LP5523_EXT_CLK_USED) == 0)
+                        goto fail;
+
+        /* Measure VDD (i.e. VBAT) first (channel 16 corresponds to VDD) */
+        lp5523_write(chip->client, LP5523_REG_LED_TEST_CTRL,
+                                    LP5523_EN_LEDTEST | 16);
+        usleep_range(3000, 10000);
+        ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status);
+        if (!(status & LP5523_LEDTEST_DONE))
+                usleep_range(3000, 10000);
+
+        ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &vdd);
+        vdd--;  /* There may be some fluctuation in measurement */
+
+        for (i = 0; i < LP5523_LEDS; i++) {
+                /* Skip non-existing channels */
+                if (chip->pdata->led_config[i].led_current == 0)
+                        continue;
+
+                /* Set default current */
+                lp5523_write(chip->client,
+                        LP5523_REG_LED_CURRENT_BASE + i,
+                        chip->pdata->led_config[i].led_current);
+
+                lp5523_write(chip->client, LP5523_REG_LED_PWM_BASE + i, 0xff);
+                /* let current stabilize 2ms before measurements start */
+                usleep_range(2000, 10000);
+                lp5523_write(chip->client,
+                             LP5523_REG_LED_TEST_CTRL,
+                             LP5523_EN_LEDTEST | i);
+                /* ledtest takes 2.7ms */
+                usleep_range(3000, 10000);
+                ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status);
+                if (!(status & LP5523_LEDTEST_DONE))
+                        usleep_range(3000, 10000);
+                ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &adc);
+
+                if (adc >= vdd || adc < LP5523_ADC_SHORTCIRC_LIM)
+                        pos += sprintf(buf + pos, "LED %d FAIL\n", i);
+
+                lp5523_write(chip->client, LP5523_REG_LED_PWM_BASE + i, 0x00);
+
+                /* Restore current */
+                lp5523_write(chip->client,
+                        LP5523_REG_LED_CURRENT_BASE + i,
+                        chip->leds[led].led_current);
+                led++;
+        }
+        if (pos == 0)
+                pos = sprintf(buf, "OK\n");
+        goto release_lock;
+fail:
+        pos = sprintf(buf, "FAIL\n");
+
+release_lock:
+        mutex_unlock(&chip->lock);
+
+        return pos;
+}
+
+static void lp5523_set_brightness(struct led_classdev *cdev,
+                             enum led_brightness brightness)
+{
+        struct lp5523_led *led = cdev_to_led(cdev);
+
+        led->brightness = (u8)brightness;
+
+        schedule_work(&led->brightness_work);
+}
+
+static void lp5523_led_brightness_work(struct work_struct *work)
+{
+        struct lp5523_led *led = container_of(work,
+                                              struct lp5523_led,
+                                              brightness_work);
+        struct lp5523_chip *chip = led_to_lp5523(led);
+        struct i2c_client *client = chip->client;
+
+        mutex_lock(&chip->lock);
+
+        lp5523_write(client, LP5523_REG_LED_PWM_BASE + led->chan_nr,
+                     led->brightness);
+
+        mutex_unlock(&chip->lock);
+}
+
+static int lp5523_do_store_load(struct lp5523_engine *engine,
+                                const char *buf, size_t len)
+{
+        struct lp5523_chip *chip = engine_to_lp5523(engine);
+        struct i2c_client *client = chip->client;
+        int  ret, nrchars, offset = 0, i = 0;
+        char c[3];
+        unsigned cmd;
+        u8 pattern[LP5523_PROGRAM_LENGTH] = {0};
+
+        while ((offset < len - 1) && (i < LP5523_PROGRAM_LENGTH)) {
+                /* separate sscanfs because length is working only for %s */
+                ret = sscanf(buf + offset, "%2s%n ", c, &nrchars);
+                ret = sscanf(c, "%2x", &cmd);
+                if (ret != 1)
+                        goto fail;
+                pattern[i] = (u8)cmd;
+
+                offset += nrchars;
+                i++;
+        }
+
+        /* Each instruction is 16bit long. Check that length is even */
+        if (i % 2)
+                goto fail;
+
+        mutex_lock(&chip->lock);
+
+        ret = lp5523_load_program(engine, pattern);
+        mutex_unlock(&chip->lock);
+
+        if (ret) {
+                dev_err(&client->dev, "failed loading pattern\n");
+                return ret;
+        }
+
+        return len;
+fail:
+        dev_err(&client->dev, "wrong pattern format\n");
+        return -EINVAL;
+}
+
+static ssize_t store_engine_load(struct device *dev,
+                                     struct device_attribute *attr,
+                                     const char *buf, size_t len, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        return lp5523_do_store_load(&chip->engines[nr - 1], buf, len);
+}
+
+#define store_load(nr)                                                  \
+static ssize_t store_engine##nr##_load(struct device *dev,              \
+                                     struct device_attribute *attr,     \
+                                     const char *buf, size_t len)       \
+{                                                                       \
+        return store_engine_load(dev, attr, buf, len, nr);              \
+}
+store_load(1)
+store_load(2)
+store_load(3)
+
+static ssize_t show_engine_mode(struct device *dev,
+                                struct device_attribute *attr,
+                                char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        switch (chip->engines[nr - 1].mode) {
+        case LP5523_CMD_RUN:
+                return sprintf(buf, "run\n");
+        case LP5523_CMD_LOAD:
+                return sprintf(buf, "load\n");
+        case LP5523_CMD_DISABLED:
+                return sprintf(buf, "disabled\n");
+        default:
+                return sprintf(buf, "disabled\n");
+        }
+}
+
+#define show_mode(nr)                                                   \
+static ssize_t show_engine##nr##_mode(struct device *dev,               \
+                                    struct device_attribute *attr,      \
+                                    char *buf)                          \
+{                                                                       \
+        return show_engine_mode(dev, attr, buf, nr);                    \
+}
+show_mode(1)
+show_mode(2)
+show_mode(3)
+
+static ssize_t store_engine_mode(struct device *dev,
+                                 struct device_attribute *attr,
+                                 const char *buf, size_t len, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        struct lp5523_engine *engine = &chip->engines[nr - 1];
+        mutex_lock(&chip->lock);
+
+        if (!strncmp(buf, "run", 3))
+                lp5523_set_mode(engine, LP5523_CMD_RUN);
+        else if (!strncmp(buf, "load", 4))
+                lp5523_set_mode(engine, LP5523_CMD_LOAD);
+        else if (!strncmp(buf, "disabled", 8))
+                lp5523_set_mode(engine, LP5523_CMD_DISABLED);
+
+        mutex_unlock(&chip->lock);
+        return len;
+}
+
+#define store_mode(nr)                                                  \
+static ssize_t store_engine##nr##_mode(struct device *dev,              \
+                                     struct device_attribute *attr,     \
+                                     const char *buf, size_t len)       \
+{                                                                       \
+        return store_engine_mode(dev, attr, buf, len, nr);              \
+}
+store_mode(1)
+store_mode(2)
+store_mode(3)
+
+static ssize_t show_max_current(struct device *dev,
+                            struct device_attribute *attr,
+                            char *buf)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct lp5523_led *led = cdev_to_led(led_cdev);
+
+        return sprintf(buf, "%d\n", led->max_current);
+}
+
+static ssize_t show_current(struct device *dev,
+                            struct device_attribute *attr,
+                            char *buf)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct lp5523_led *led = cdev_to_led(led_cdev);
+
+        return sprintf(buf, "%d\n", led->led_current);
+}
+
+static ssize_t store_current(struct device *dev,
+                             struct device_attribute *attr,
+                             const char *buf, size_t len)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+        struct lp5523_led *led = cdev_to_led(led_cdev);
+        struct lp5523_chip *chip = led_to_lp5523(led);
+        ssize_t ret;
+        unsigned long curr;
+
+        if (strict_strtoul(buf, 0, &curr))
+                return -EINVAL;
+
+        if (curr > led->max_current)
+                return -EINVAL;
+
+        mutex_lock(&chip->lock);
+        ret = lp5523_write(chip->client,
+                        LP5523_REG_LED_CURRENT_BASE + led->chan_nr,
+                        (u8)curr);
+        mutex_unlock(&chip->lock);
+
+        if (ret < 0)
+                return ret;
+
+        led->led_current = (u8)curr;
+
+        return len;
+}
+
+/* led class device attributes */
+static DEVICE_ATTR(led_current, S_IRUGO | S_IWUGO, show_current, store_current);
+static DEVICE_ATTR(max_current, S_IRUGO , show_max_current, NULL);
+
+static struct attribute *lp5523_led_attributes[] = {
+        &dev_attr_led_current.attr,
+        &dev_attr_max_current.attr,
+        NULL,
+};
+
+static struct attribute_group lp5523_led_attribute_group = {
+        .attrs = lp5523_led_attributes
+};
+
+/* device attributes */
+static DEVICE_ATTR(engine1_mode, S_IRUGO | S_IWUGO,
+                   show_engine1_mode, store_engine1_mode);
+static DEVICE_ATTR(engine2_mode, S_IRUGO | S_IWUGO,
+                   show_engine2_mode, store_engine2_mode);
+static DEVICE_ATTR(engine3_mode, S_IRUGO | S_IWUGO,
+                   show_engine3_mode, store_engine3_mode);
+static DEVICE_ATTR(engine1_leds, S_IRUGO | S_IWUGO,
+                   show_engine1_leds, store_engine1_leds);
+static DEVICE_ATTR(engine2_leds, S_IRUGO | S_IWUGO,
+                   show_engine2_leds, store_engine2_leds);
+static DEVICE_ATTR(engine3_leds, S_IRUGO | S_IWUGO,
+                   show_engine3_leds, store_engine3_leds);
+static DEVICE_ATTR(engine1_load, S_IWUGO, NULL, store_engine1_load);
+static DEVICE_ATTR(engine2_load, S_IWUGO, NULL, store_engine2_load);
+static DEVICE_ATTR(engine3_load, S_IWUGO, NULL, store_engine3_load);
+static DEVICE_ATTR(selftest, S_IRUGO, lp5523_selftest, NULL);
+
+static struct attribute *lp5523_attributes[] = {
+        &dev_attr_engine1_mode.attr,
+        &dev_attr_engine2_mode.attr,
+        &dev_attr_engine3_mode.attr,
+        &dev_attr_selftest.attr,
+        NULL
+};
+
+static struct attribute *lp5523_engine1_attributes[] = {
+        &dev_attr_engine1_load.attr,
+        &dev_attr_engine1_leds.attr,
+        NULL
+};
+
+static struct attribute *lp5523_engine2_attributes[] = {
+        &dev_attr_engine2_load.attr,
+        &dev_attr_engine2_leds.attr,
+        NULL
+};
+
+static struct attribute *lp5523_engine3_attributes[] = {
+        &dev_attr_engine3_load.attr,
+        &dev_attr_engine3_leds.attr,
+        NULL
+};
+
+static const struct attribute_group lp5523_group = {
+        .attrs = lp5523_attributes,
+};
+
+static const struct attribute_group lp5523_engine_group[] = {
+        {.attrs = lp5523_engine1_attributes },
+        {.attrs = lp5523_engine2_attributes },
+        {.attrs = lp5523_engine3_attributes },
+};
+
+static int lp5523_register_sysfs(struct i2c_client *client)
+{
+        struct device *dev = &client->dev;
+        int ret;
+
+        ret = sysfs_create_group(&dev->kobj, &lp5523_group);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+static void lp5523_unregister_sysfs(struct i2c_client *client)
+{
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        struct device *dev = &client->dev;
+        int i;
+
+        sysfs_remove_group(&dev->kobj, &lp5523_group);
+
+        for (i = 0; i < ARRAY_SIZE(chip->engines); i++)
+                if (chip->engines[i].mode == LP5523_CMD_LOAD)
+                        sysfs_remove_group(&dev->kobj, &lp5523_engine_group[i]);
+
+        for (i = 0; i < chip->num_leds; i++)
+                sysfs_remove_group(&chip->leds[i].cdev.dev->kobj,
+                                &lp5523_led_attribute_group);
+}
+
+/*--------------------------------------------------------------*/
+/*                      Set chip operating mode                 */
+/*--------------------------------------------------------------*/
+static int lp5523_set_mode(struct lp5523_engine *engine, u8 mode)
+{
+        /*  engine to chip */
+        struct lp5523_chip *chip = engine_to_lp5523(engine);
+        struct i2c_client *client = chip->client;
+        struct device *dev = &client->dev;
+        int ret = 0;
+
+        /* if in that mode already do nothing, except for run */
+        if (mode == engine->mode && mode != LP5523_CMD_RUN)
+                return 0;
+
+        if (mode == LP5523_CMD_RUN) {
+                ret = lp5523_run_program(engine);
+        } else if (mode == LP5523_CMD_LOAD) {
+                lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED);
+                lp5523_set_engine_mode(engine, LP5523_CMD_LOAD);
+
+                ret = sysfs_create_group(&dev->kobj, engine->attributes);
+                if (ret)
+                        return ret;
+        } else if (mode == LP5523_CMD_DISABLED) {
+                lp5523_set_engine_mode(engine, LP5523_CMD_DISABLED);
+        }
+
+        /* remove load attribute from sysfs if not in load mode */
+        if (engine->mode == LP5523_CMD_LOAD && mode != LP5523_CMD_LOAD)
+                sysfs_remove_group(&dev->kobj, engine->attributes);
+
+        engine->mode = mode;
+
+        return ret;
+}
+
+/*--------------------------------------------------------------*/
+/*                      Probe, Attach, Remove                   */
+/*--------------------------------------------------------------*/
+static int __init lp5523_init_engine(struct lp5523_engine *engine, int id)
+{
+        if (id < 1 || id > LP5523_ENGINES)
+                return -1;
+        engine->id = id;
+        engine->engine_mask = LP5523_ENG_MASK_BASE >> SHIFT_MASK(id);
+        engine->prog_page = id - 1;
+        engine->mux_page = id + 2;
+        engine->attributes = &lp5523_engine_group[id - 1];
+
+        return 0;
+}
+
+static int __init lp5523_init_led(struct lp5523_led *led, struct device *dev,
+                           int chan, struct lp5523_platform_data *pdata)
+{
+        char name[32];
+        int res;
+
+        if (chan >= LP5523_LEDS)
+                return -EINVAL;
+
+        if (pdata->led_config[chan].led_current) {
+                led->led_current = pdata->led_config[chan].led_current;
+                led->max_current = pdata->led_config[chan].max_current;
+                led->chan_nr = pdata->led_config[chan].chan_nr;
+
+                if (led->chan_nr >= LP5523_LEDS) {
+                        dev_err(dev, "Use channel numbers between 0 and %d\n",
+                                LP5523_LEDS - 1);
+                        return -EINVAL;
+                }
+
+                snprintf(name, 32, "lp5523:channel%d", chan);
+
+                led->cdev.name = name;
+                led->cdev.brightness_set = lp5523_set_brightness;
+                res = led_classdev_register(dev, &led->cdev);
+                if (res < 0) {
+                        dev_err(dev, "couldn't register led on channel %d\n",
+                                chan);
+                        return res;
+                }
+                res = sysfs_create_group(&led->cdev.dev->kobj,
+                                &lp5523_led_attribute_group);
+                if (res < 0) {
+                        dev_err(dev, "couldn't register current attribute\n");
+                        led_classdev_unregister(&led->cdev);
+                        return res;
+                }
+        } else {
+                led->led_current = 0;
+        }
+        return 0;
+}
+
+static struct i2c_driver lp5523_driver;
+
+static int lp5523_probe(struct i2c_client *client,
+                        const struct i2c_device_id *id)
+{
+        struct lp5523_chip              *chip;
+        struct lp5523_platform_data     *pdata;
+        int ret, i, led;
+
+        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+        if (!chip)
+                return -ENOMEM;
+
+        i2c_set_clientdata(client, chip);
+        chip->client = client;
+
+        pdata = client->dev.platform_data;
+
+        if (!pdata) {
+                dev_err(&client->dev, "no platform data\n");
+                ret = -EINVAL;
+                goto fail1;
+        }
+
+        mutex_init(&chip->lock);
+
+        chip->pdata   = pdata;
+
+        if (pdata->setup_resources) {
+                ret = pdata->setup_resources();
+                if (ret < 0)
+                        goto fail1;
+        }
+
+        if (pdata->enable) {
+                pdata->enable(0);
+                usleep_range(1000, 10000);
+                pdata->enable(1);
+                usleep_range(1000, 10000); /* Spec says min 500us */
+        }
+
+        ret = lp5523_detect(client);
+        if (ret)
+                goto fail2;
+
+        dev_info(&client->dev, "LP5523 Programmable led chip found\n");
+
+        /* Initialize engines */
+        for (i = 0; i < ARRAY_SIZE(chip->engines); i++) {
+                ret = lp5523_init_engine(&chip->engines[i], i + 1);
+                if (ret) {
+                        dev_err(&client->dev, "error initializing engine\n");
+                        goto fail2;
+                }
+        }
+        ret = lp5523_configure(client);
+        if (ret < 0) {
+                dev_err(&client->dev, "error configuring chip\n");
+                goto fail2;
+        }
+
+        /* Initialize leds */
+        chip->num_channels = pdata->num_channels;
+        chip->num_leds = 0;
+        led = 0;
+        for (i = 0; i < pdata->num_channels; i++) {
+                /* Do not initialize channels that are not connected */
+                if (pdata->led_config[i].led_current == 0)
+                        continue;
+
+                ret = lp5523_init_led(&chip->leds[led], &client->dev, i, pdata);
+                if (ret) {
+                        dev_err(&client->dev, "error initializing leds\n");
+                        goto fail3;
+                }
+                chip->num_leds++;
+
+                chip->leds[led].id = led;
+                /* Set LED current */
+                lp5523_write(client,
+                          LP5523_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr,
+                          chip->leds[led].led_current);
+
+                INIT_WORK(&(chip->leds[led].brightness_work),
+                        lp5523_led_brightness_work);
+
+                led++;
+        }
+
+        ret = lp5523_register_sysfs(client);
+        if (ret) {
+                dev_err(&client->dev, "registering sysfs failed\n");
+                goto fail3;
+        }
+        return ret;
+fail3:
+        for (i = 0; i < chip->num_leds; i++) {
+                led_classdev_unregister(&chip->leds[i].cdev);
+                cancel_work_sync(&chip->leds[i].brightness_work);
+        }
+fail2:
+        if (pdata->enable)
+                pdata->enable(0);
+        if (pdata->release_resources)
+                pdata->release_resources();
+fail1:
+        kfree(chip);
+        return ret;
+}
+
+static int lp5523_remove(struct i2c_client *client)
+{
+        struct lp5523_chip *chip = i2c_get_clientdata(client);
+        int i;
+
+        lp5523_unregister_sysfs(client);
+
+        for (i = 0; i < chip->num_leds; i++) {
+                led_classdev_unregister(&chip->leds[i].cdev);
+                cancel_work_sync(&chip->leds[i].brightness_work);
+        }
+
+        if (chip->pdata->enable)
+                chip->pdata->enable(0);
+        if (chip->pdata->release_resources)
+                chip->pdata->release_resources();
+        kfree(chip);
+        return 0;
+}
+
+static const struct i2c_device_id lp5523_id[] = {
+        { "lp5523", 0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(i2c, lp5523_id);
+
+static struct i2c_driver lp5523_driver = {
+        .driver = {
+                .name   = "lp5523",
+        },
+        .probe          = lp5523_probe,
+        .remove         = lp5523_remove,
+        .id_table       = lp5523_id,
+};
+
+static int __init lp5523_init(void)
+{
+        int ret;
+
+        ret = i2c_add_driver(&lp5523_driver);
+
+        if (ret < 0)
+                printk(KERN_ALERT "Adding lp5523 driver failed\n");
+
+        return ret;
+}
+
+static void __exit lp5523_exit(void)
+{
+        i2c_del_driver(&lp5523_driver);
+}
+
+module_init(lp5523_init);
+module_exit(lp5523_exit);
+
+MODULE_AUTHOR("Mathias Nyman <mathias.nyman@nokia.com>");
+MODULE_DESCRIPTION("LP5523 LED engine");
+MODULE_LICENSE("GPL");
diff --git a/drivers/leds/leds-net5501.c b/drivers/leds/leds-net5501.c
index 3063f591f0dc..1739557a9038 100644
--- a/drivers/leds/leds-net5501.c
+++ b/drivers/leds/leds-net5501.c
@@ -92,3 +92,5 @@ unmap:
 }
 
 arch_initcall(soekris_init);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index 82b77bd482ff..b09bcbeade9c 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -12,73 +12,25 @@
  */
 
 #include <linux/module.h>
-#include <linux/jiffies.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/list.h>
-#include <linux/spinlock.h>
 #include <linux/device.h>
-#include <linux/sysdev.h>
-#include <linux/timer.h>
 #include <linux/ctype.h>
 #include <linux/leds.h>
-#include <linux/slab.h>
 #include "leds.h"
 
-struct timer_trig_data {
-        int brightness_on;              /* LED brightness during "on" period.
-                                         * (LED_OFF < brightness_on <= LED_FULL)
-                                         */
-        unsigned long delay_on;         /* milliseconds on */
-        unsigned long delay_off;        /* milliseconds off */
-        struct timer_list timer;
-};
-
-static void led_timer_function(unsigned long data)
-{
-        struct led_classdev *led_cdev = (struct led_classdev *) data;
-        struct timer_trig_data *timer_data = led_cdev->trigger_data;
-        unsigned long brightness;
-        unsigned long delay;
-
-        if (!timer_data->delay_on || !timer_data->delay_off) {
-                led_set_brightness(led_cdev, LED_OFF);
-                return;
-        }
-
-        brightness = led_get_brightness(led_cdev);
-        if (!brightness) {
-                /* Time to switch the LED on. */
-                brightness = timer_data->brightness_on;
-                delay = timer_data->delay_on;
-        } else {
-                /* Store the current brightness value to be able
-                 * to restore it when the delay_off period is over.
-                 */
-                timer_data->brightness_on = brightness;
-                brightness = LED_OFF;
-                delay = timer_data->delay_off;
-        }
-
-        led_set_brightness(led_cdev, brightness);
-
-        mod_timer(&timer_data->timer, jiffies + msecs_to_jiffies(delay));
-}
-
 static ssize_t led_delay_on_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
 {
         struct led_classdev *led_cdev = dev_get_drvdata(dev);
-        struct timer_trig_data *timer_data = led_cdev->trigger_data;
 
-        return sprintf(buf, "%lu\n", timer_data->delay_on);
+        return sprintf(buf, "%lu\n", led_cdev->blink_delay_on);
 }
 
 static ssize_t led_delay_on_store(struct device *dev,
                 struct device_attribute *attr, const char *buf, size_t size)
 {
         struct led_classdev *led_cdev = dev_get_drvdata(dev);
-        struct timer_trig_data *timer_data = led_cdev->trigger_data;
         int ret = -EINVAL;
         char *after;
         unsigned long state = simple_strtoul(buf, &after, 10);
@@ -88,21 +40,7 @@ static ssize_t led_delay_on_store(struct device *dev,
                 count++;
 
         if (count == size) {
-                if (timer_data->delay_on != state) {
-                        /* the new value differs from the previous */
-                        timer_data->delay_on = state;
-
-                        /* deactivate previous settings */
-                        del_timer_sync(&timer_data->timer);
-
-                        /* try to activate hardware acceleration, if any */
-                        if (!led_cdev->blink_set ||
-                            led_cdev->blink_set(led_cdev,
-                              &timer_data->delay_on, &timer_data->delay_off)) {
-                                /* no hardware acceleration, blink via timer */
-                                mod_timer(&timer_data->timer, jiffies + 1);
-                        }
-                }
+                led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off);
                 ret = count;
         }
 
@@ -113,16 +51,14 @@ static ssize_t led_delay_off_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
 {
         struct led_classdev *led_cdev = dev_get_drvdata(dev);
-        struct timer_trig_data *timer_data = led_cdev->trigger_data;
 
-        return sprintf(buf, "%lu\n", timer_data->delay_off);
+        return sprintf(buf, "%lu\n", led_cdev->blink_delay_off);
 }
 
 static ssize_t led_delay_off_store(struct device *dev,
                 struct device_attribute *attr, const char *buf, size_t size)
 {
         struct led_classdev *led_cdev = dev_get_drvdata(dev);
-        struct timer_trig_data *timer_data = led_cdev->trigger_data;
         int ret = -EINVAL;
         char *after;
         unsigned long state = simple_strtoul(buf, &after, 10);
@@ -132,21 +68,7 @@ static ssize_t led_delay_off_store(struct device *dev,
                 count++;
 
         if (count == size) {
-                if (timer_data->delay_off != state) {
-                        /* the new value differs from the previous */
-                        timer_data->delay_off = state;
-
-                        /* deactivate previous settings */
-                        del_timer_sync(&timer_data->timer);
-
-                        /* try to activate hardware acceleration, if any */
-                        if (!led_cdev->blink_set ||
-                            led_cdev->blink_set(led_cdev,
-                              &timer_data->delay_on, &timer_data->delay_off)) {
-                                /* no hardware acceleration, blink via timer */
-                                mod_timer(&timer_data->timer, jiffies + 1);
-                        }
-                }
+                led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state);
                 ret = count;
         }
 
@@ -158,60 +80,34 @@ static DEVICE_ATTR(delay_off, 0644, led_delay_off_show, led_delay_off_store);
 
 static void timer_trig_activate(struct led_classdev *led_cdev)
 {
-        struct timer_trig_data *timer_data;
         int rc;
 
-        timer_data = kzalloc(sizeof(struct timer_trig_data), GFP_KERNEL);
-        if (!timer_data)
-                return;
-
-        timer_data->brightness_on = led_get_brightness(led_cdev);
-        if (timer_data->brightness_on == LED_OFF)
-                timer_data->brightness_on = led_cdev->max_brightness;
-        led_cdev->trigger_data = timer_data;
-
-        init_timer(&timer_data->timer);
-        timer_data->timer.function = led_timer_function;
-        timer_data->timer.data = (unsigned long) led_cdev;
+        led_cdev->trigger_data = NULL;
 
         rc = device_create_file(led_cdev->dev, &dev_attr_delay_on);
         if (rc)
-                goto err_out;
+                return;
         rc = device_create_file(led_cdev->dev, &dev_attr_delay_off);
         if (rc)
                 goto err_out_delayon;
 
-        /* If there is hardware support for blinking, start one
-         * user friendly blink rate chosen by the driver.
-         */
-        if (led_cdev->blink_set)
-                led_cdev->blink_set(led_cdev,
-                        &timer_data->delay_on, &timer_data->delay_off);
+        led_cdev->trigger_data = (void *)1;
 
         return;
 
 err_out_delayon:
         device_remove_file(led_cdev->dev, &dev_attr_delay_on);
-err_out:
-        led_cdev->trigger_data = NULL;
-        kfree(timer_data);
 }
 
 static void timer_trig_deactivate(struct led_classdev *led_cdev)
 {
-        struct timer_trig_data *timer_data = led_cdev->trigger_data;
-        unsigned long on = 0, off = 0;
-
-        if (timer_data) {
+        if (led_cdev->trigger_data) {
                 device_remove_file(led_cdev->dev, &dev_attr_delay_on);
                 device_remove_file(led_cdev->dev, &dev_attr_delay_off);
-                del_timer_sync(&timer_data->timer);
-                kfree(timer_data);
         }
 
-        /* If there is hardware support for blinking, stop it */
-        if (led_cdev->blink_set)
-                led_cdev->blink_set(led_cdev, &on, &off);
+        /* Stop blinking */
+        led_brightness_set(led_cdev, LED_OFF);
 }
 
 static struct led_trigger timer_led_trigger = {
diff --git a/drivers/macintosh/adb-iop.c b/drivers/macintosh/adb-iop.c
index 444696625171..f5f4da3d0b67 100644
--- a/drivers/macintosh/adb-iop.c
+++ b/drivers/macintosh/adb-iop.c
@@ -80,7 +80,7 @@ static void adb_iop_end_req(struct adb_request *req, int state)
 static void adb_iop_complete(struct iop_msg *msg)
 {
         struct adb_request *req;
-        uint flags;
+        unsigned long flags;
 
         local_irq_save(flags);
 
@@ -103,7 +103,7 @@ static void adb_iop_listen(struct iop_msg *msg)
 {
         struct adb_iopmsg *amsg = (struct adb_iopmsg *) msg->message;
         struct adb_request *req;
-        uint flags;
+        unsigned long flags;
 #ifdef DEBUG_ADB_IOP
         int i;
 #endif
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 4e957f3140a8..324a3663fcda 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -706,7 +706,7 @@ static struct mdk_personality *find_pers(int level, char *clevel)
 /* return the offset of the super block in 512byte sectors */
 static inline sector_t calc_dev_sboffset(struct block_device *bdev)
 {
-        sector_t num_sectors = bdev->bd_inode->i_size / 512;
+        sector_t num_sectors = i_size_read(bdev->bd_inode) / 512;
         return MD_NEW_SIZE_SECTORS(num_sectors);
 }
 
@@ -1386,7 +1386,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
          */
         switch(minor_version) {
         case 0:
-                sb_start = rdev->bdev->bd_inode->i_size >> 9;
+                sb_start = i_size_read(rdev->bdev->bd_inode) >> 9;
                 sb_start -= 8*2;
                 sb_start &= ~(sector_t)(4*2-1);
                 break;
@@ -1472,7 +1472,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
                         ret = 0;
         }
         if (minor_version)
-                rdev->sectors = (rdev->bdev->bd_inode->i_size >> 9) -
+                rdev->sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) -
                         le64_to_cpu(sb->data_offset);
         else
                 rdev->sectors = rdev->sb_start;
@@ -1680,7 +1680,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
                 return 0; /* component must fit device */
         if (rdev->sb_start < rdev->data_offset) {
                 /* minor versions 1 and 2; superblock before data */
-                max_sectors = rdev->bdev->bd_inode->i_size >> 9;
+                max_sectors = i_size_read(rdev->bdev->bd_inode) >> 9;
                 max_sectors -= rdev->data_offset;
                 if (!num_sectors || num_sectors > max_sectors)
                         num_sectors = max_sectors;
@@ -1690,7 +1690,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
         } else {
                 /* minor version 0; superblock after data */
                 sector_t sb_start;
-                sb_start = (rdev->bdev->bd_inode->i_size >> 9) - 8*2;
+                sb_start = (i_size_read(rdev->bdev->bd_inode) >> 9) - 8*2;
                 sb_start &= ~(sector_t)(4*2 - 1);
                 max_sectors = rdev->sectors + sb_start - rdev->sb_start;
                 if (!num_sectors || num_sectors > max_sectors)
@@ -2584,7 +2584,7 @@ rdev_size_store(mdk_rdev_t *rdev, const char *buf, size_t len)
                         if (!sectors)
                                 return -EBUSY;
                 } else if (!sectors)
-                        sectors = (rdev->bdev->bd_inode->i_size >> 9) -
+                        sectors = (i_size_read(rdev->bdev->bd_inode) >> 9) -
                                 rdev->data_offset;
         }
         if (sectors < my_mddev->dev_sectors)
@@ -2797,7 +2797,7 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
 
         kobject_init(&rdev->kobj, &rdev_ktype);
 
-        size = rdev->bdev->bd_inode->i_size >> BLOCK_SIZE_BITS;
+        size = i_size_read(rdev->bdev->bd_inode) >> BLOCK_SIZE_BITS;
         if (!size) {
                 printk(KERN_WARNING 
                         "md: %s has zero or unknown size, marking faulty!\n",
@@ -5235,8 +5235,8 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 
                 if (!mddev->persistent) {
                         printk(KERN_INFO "md: nonpersistent superblock ...\n");
-                        rdev->sb_start = rdev->bdev->bd_inode->i_size / 512;
-                } else 
+                        rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512;
+                } else
                         rdev->sb_start = calc_dev_sboffset(rdev->bdev);
                 rdev->sectors = rdev->sb_start;
 
@@ -5306,7 +5306,7 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev)
         if (mddev->persistent)
                 rdev->sb_start = calc_dev_sboffset(rdev->bdev);
         else
-                rdev->sb_start = rdev->bdev->bd_inode->i_size / 512;
+                rdev->sb_start = i_size_read(rdev->bdev->bd_inode) / 512;
 
         rdev->sectors = rdev->sb_start;
 
diff --git a/drivers/misc/apds9802als.c b/drivers/misc/apds9802als.c
index f9b91ba8900c..0ed09358027e 100644
--- a/drivers/misc/apds9802als.c
+++ b/drivers/misc/apds9802als.c
@@ -123,7 +123,7 @@ static ssize_t als_sensing_range_store(struct device *dev,
 {
         struct i2c_client *client = to_i2c_client(dev);
         struct als_data *data = i2c_get_clientdata(client);
-        unsigned int ret_val;
+        int ret_val;
         unsigned long val;
 
         if (strict_strtoul(buf, 10, &val))
diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c
index cee632e645e1..d79a972f2c79 100644
--- a/drivers/misc/bh1770glc.c
+++ b/drivers/misc/bh1770glc.c
@@ -649,7 +649,7 @@ static ssize_t bh1770_power_state_store(struct device *dev,
 {
         struct bh1770_chip *chip =  dev_get_drvdata(dev);
         unsigned long value;
-        size_t ret;
+        ssize_t ret;
 
         if (strict_strtoul(buf, 0, &value))
                 return -EINVAL;
@@ -659,8 +659,12 @@ static ssize_t bh1770_power_state_store(struct device *dev,
                 pm_runtime_get_sync(dev);
 
                 ret = bh1770_lux_rate(chip, chip->lux_rate_index);
-                ret |= bh1770_lux_interrupt_control(chip, BH1770_ENABLE);
+                if (ret < 0) {
+                        pm_runtime_put(dev);
+                        goto leave;
+                }
 
+                ret = bh1770_lux_interrupt_control(chip, BH1770_ENABLE);
                 if (ret < 0) {
                         pm_runtime_put(dev);
                         goto leave;
diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c
index 34fe835921c4..ca47e6285075 100644
--- a/drivers/misc/isl29020.c
+++ b/drivers/misc/isl29020.c
@@ -87,7 +87,7 @@ static ssize_t als_sensing_range_store(struct device *dev,
                 struct device_attribute *attr, const  char *buf, size_t count)
 {
         struct i2c_client *client = to_i2c_client(dev);
-        unsigned int ret_val;
+        int ret_val;
         unsigned long val;
 
         if (strict_strtoul(buf, 10, &val))
@@ -106,6 +106,8 @@ static ssize_t als_sensing_range_store(struct device *dev,
                 val = 4;
 
         ret_val = i2c_smbus_read_byte_data(client, 0x00);
+        if (ret_val < 0)
+                return ret_val;
 
         ret_val &= 0xFC; /*reset the bit before setting them */
         ret_val |= val - 1;
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 43579b3b24ac..53363108994e 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -3043,7 +3043,6 @@ static int __devinit atl1_probe(struct pci_dev *pdev,
         atl1_pcie_patch(adapter);
         /* assume we have no link for now */
         netif_carrier_off(netdev);
-        netif_stop_queue(netdev);
 
         setup_timer(&adapter->phy_config_timer, atl1_phy_config,
                     (unsigned long)adapter);
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index 9eea225decaf..863e73a85fbe 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -20,8 +20,8 @@
  * (you will need to reboot afterwards) */
 /* #define BNX2X_STOP_ON_ERROR */
 
-#define DRV_MODULE_VERSION      "1.60.00-3"
-#define DRV_MODULE_RELDATE      "2010/10/19"
+#define DRV_MODULE_VERSION      "1.60.00-4"
+#define DRV_MODULE_RELDATE      "2010/11/01"
 #define BNX2X_BC_VER            0x040200
 
 #define BNX2X_MULTI_QUEUE
diff --git a/drivers/net/bnx2x/bnx2x_hsi.h b/drivers/net/bnx2x/bnx2x_hsi.h
index 18c8e23a0e82..4cfd4e9b5586 100644
--- a/drivers/net/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/bnx2x/bnx2x_hsi.h
@@ -244,7 +244,14 @@ struct port_hw_cfg {			    /* port 0: 0x12c  port 1: 0x2bc */
 
         u16 xgxs_config_tx[4];                              /* 0x1A0 */
 
-        u32 Reserved1[57];                                  /* 0x1A8 */
+        u32 Reserved1[56];                                  /* 0x1A8 */
+        u32 default_cfg;                                    /* 0x288 */
+        /*  Enable BAM on KR */
+#define PORT_HW_CFG_ENABLE_BAM_ON_KR_MASK                     0x00100000
+#define PORT_HW_CFG_ENABLE_BAM_ON_KR_SHIFT                    20
+#define PORT_HW_CFG_ENABLE_BAM_ON_KR_DISABLED                 0x00000000
+#define PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED                  0x00100000
+
         u32 speed_capability_mask2;                         /* 0x28C */
 #define PORT_HW_CFG_SPEED_CAPABILITY2_D3_MASK                 0x0000FFFF
 #define PORT_HW_CFG_SPEED_CAPABILITY2_D3_SHIFT                0
diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index 2326774df843..580919619252 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -610,7 +610,7 @@ static u8 bnx2x_bmac_enable(struct link_params *params,
         /* reset and unreset the BigMac */
         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
                      (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
-        udelay(10);
+        msleep(1);
 
         REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
                      (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
@@ -3525,13 +3525,19 @@ static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
         DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
 
         /* Enable CL37 BAM */
-        bnx2x_cl45_read(bp, phy,
-                        MDIO_AN_DEVAD,
-                        MDIO_AN_REG_8073_BAM, &val);
-        bnx2x_cl45_write(bp, phy,
-                         MDIO_AN_DEVAD,
-                         MDIO_AN_REG_8073_BAM, val | 1);
+        if (REG_RD(bp, params->shmem_base +
+                         offsetof(struct shmem_region, dev_info.
+                                  port_hw_config[params->port].default_cfg)) &
+            PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
 
+                bnx2x_cl45_read(bp, phy,
+                                MDIO_AN_DEVAD,
+                                MDIO_AN_REG_8073_BAM, &val);
+                bnx2x_cl45_write(bp, phy,
+                                 MDIO_AN_DEVAD,
+                                 MDIO_AN_REG_8073_BAM, val | 1);
+                DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
+        }
         if (params->loopback_mode == LOOPBACK_EXT) {
                 bnx2x_807x_force_10G(bp, phy);
                 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
@@ -5302,7 +5308,7 @@ static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
 {
         struct bnx2x *bp = params->bp;
         u16 autoneg_val, an_1000_val, an_10_100_val;
-        bnx2x_wait_reset_complete(bp, phy);
+
         bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
                       1 << NIG_LATCH_BC_ENABLE_MI_INT);
 
@@ -5431,6 +5437,7 @@ static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
 
         /* HW reset */
         bnx2x_ext_phy_hw_reset(bp, params->port);
+        bnx2x_wait_reset_complete(bp, phy);
 
         bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
         return bnx2x_848xx_cmn_config_init(phy, params, vars);
@@ -5441,7 +5448,7 @@ static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
                                   struct link_vars *vars)
 {
         struct bnx2x *bp = params->bp;
-        u8 port = params->port, initialize = 1;
+        u8 port, initialize = 1;
         u16 val;
         u16 temp;
         u32 actual_phy_selection;
@@ -5450,11 +5457,16 @@ static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
         /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
 
         msleep(1);
+        if (CHIP_IS_E2(bp))
+                port = BP_PATH(bp);
+        else
+                port = params->port;
         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
                        MISC_REGISTERS_GPIO_OUTPUT_HIGH,
                        port);
-        msleep(200); /* 100 is not enough */
-
+        bnx2x_wait_reset_complete(bp, phy);
+        /* Wait for GPHY to come out of reset */
+        msleep(50);
         /* BCM84823 requires that XGXS links up first @ 10G for normal
         behavior */
         temp = vars->line_speed;
@@ -5625,7 +5637,11 @@ static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
                                    struct link_params *params)
 {
         struct bnx2x *bp = params->bp;
-        u8 port = params->port;
+        u8 port;
+        if (CHIP_IS_E2(bp))
+                port = BP_PATH(bp);
+        else
+                port = params->port;
         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
                             MISC_REGISTERS_GPIO_OUTPUT_LOW,
                             port);
@@ -6928,7 +6944,7 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
                   u8 reset_ext_phy)
 {
         struct bnx2x *bp = params->bp;
-        u8 phy_index, port = params->port;
+        u8 phy_index, port = params->port, clear_latch_ind = 0;
         DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
         /* disable attentions */
         vars->link_status = 0;
@@ -6966,9 +6982,18 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
                                 params->phy[phy_index].link_reset(
                                         &params->phy[phy_index],
                                         params);
+                        if (params->phy[phy_index].flags &
+                            FLAGS_REARM_LATCH_SIGNAL)
+                                clear_latch_ind = 1;
                 }
         }
 
+        if (clear_latch_ind) {
+                /* Clear latching indication */
+                bnx2x_rearm_latch_signal(bp, port, 0);
+                bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
+                               1 << NIG_LATCH_BC_ENABLE_MI_INT);
+        }
         if (params->phy[INT_PHY].link_reset)
                 params->phy[INT_PHY].link_reset(
                         &params->phy[INT_PHY], params);
@@ -6999,6 +7024,7 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
         s8 port;
         s8 port_of_path = 0;
 
+        bnx2x_ext_phy_hw_reset(bp, 0);
         /* PART1 - Reset both phys */
         for (port = PORT_MAX - 1; port >= PORT_0; port--) {
                 u32 shmem_base, shmem2_base;
@@ -7021,7 +7047,8 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
                         return -EINVAL;
                 }
                 /* disable attentions */
-                bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
+                bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
+                               port_of_path*4,
                              (NIG_MASK_XGXS0_LINK_STATUS |
                               NIG_MASK_XGXS0_LINK10G |
                               NIG_MASK_SERDES0_LINK_STATUS |
@@ -7132,7 +7159,7 @@ static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
                 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
         REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
 
-        bnx2x_ext_phy_hw_reset(bp, 1);
+        bnx2x_ext_phy_hw_reset(bp, 0);
         msleep(5);
         for (port = 0; port < PORT_MAX; port++) {
                 u32 shmem_base, shmem2_base;
diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c
index 8427533fe313..8b4cea57a6c5 100644
--- a/drivers/net/caif/caif_spi.c
+++ b/drivers/net/caif/caif_spi.c
@@ -33,6 +33,9 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Daniel Martensson<daniel.martensson@stericsson.com>");
 MODULE_DESCRIPTION("CAIF SPI driver");
 
+/* Returns the number of padding bytes for alignment. */
+#define PAD_POW2(x, pow) ((((x)&((pow)-1))==0) ? 0 : (((pow)-((x)&((pow)-1)))))
+
 static int spi_loop;
 module_param(spi_loop, bool, S_IRUGO);
 MODULE_PARM_DESC(spi_loop, "SPI running in loopback mode.");
@@ -41,7 +44,10 @@ MODULE_PARM_DESC(spi_loop, "SPI running in loopback mode.");
 module_param(spi_frm_align, int, S_IRUGO);
 MODULE_PARM_DESC(spi_frm_align, "SPI frame alignment.");
 
-/* SPI padding options. */
+/*
+ * SPI padding options.
+ * Warning: must be a base of 2 (& operation used) and can not be zero !
+ */
 module_param(spi_up_head_align, int, S_IRUGO);
 MODULE_PARM_DESC(spi_up_head_align, "SPI uplink head alignment.");
 
@@ -240,15 +246,13 @@ static ssize_t dbgfs_frame(struct file *file, char __user *user_buf,
 static const struct file_operations dbgfs_state_fops = {
         .open = dbgfs_open,
         .read = dbgfs_state,
-        .owner = THIS_MODULE,
-        .llseek = default_llseek,
+        .owner = THIS_MODULE
 };
 
 static const struct file_operations dbgfs_frame_fops = {
         .open = dbgfs_open,
         .read = dbgfs_frame,
-        .owner = THIS_MODULE,
-        .llseek = default_llseek,
+        .owner = THIS_MODULE
 };
 
 static inline void dev_debugfs_add(struct cfspi *cfspi)
@@ -337,6 +341,9 @@ int cfspi_xmitfrm(struct cfspi *cfspi, u8 *buf, size_t len)
         u8 *dst = buf;
         caif_assert(buf);
 
+        if (cfspi->slave && !cfspi->slave_talked)
+                cfspi->slave_talked = true;
+
         do {
                 struct sk_buff *skb;
                 struct caif_payload_info *info;
@@ -357,8 +364,8 @@ int cfspi_xmitfrm(struct cfspi *cfspi, u8 *buf, size_t len)
                  * Compute head offset i.e. number of bytes to add to
                  * get the start of the payload aligned.
                  */
-                if (spi_up_head_align) {
-                        spad = 1 + ((info->hdr_len + 1) & spi_up_head_align);
+                if (spi_up_head_align > 1) {
+                        spad = 1 + PAD_POW2((info->hdr_len + 1), spi_up_head_align);
                         *dst = (u8)(spad - 1);
                         dst += spad;
                 }
@@ -373,7 +380,7 @@ int cfspi_xmitfrm(struct cfspi *cfspi, u8 *buf, size_t len)
                  * Compute tail offset i.e. number of bytes to add to
                  * get the complete CAIF frame aligned.
                  */
-                epad = (skb->len + spad) & spi_up_tail_align;
+                epad = PAD_POW2((skb->len + spad), spi_up_tail_align);
                 dst += epad;
 
                 dev_kfree_skb(skb);
@@ -417,14 +424,14 @@ int cfspi_xmitlen(struct cfspi *cfspi)
                  * Compute head offset i.e. number of bytes to add to
                  * get the start of the payload aligned.
                  */
-                if (spi_up_head_align)
-                        spad = 1 + ((info->hdr_len + 1) & spi_up_head_align);
+                if (spi_up_head_align > 1)
+                        spad = 1 + PAD_POW2((info->hdr_len + 1), spi_up_head_align);
 
                 /*
                  * Compute tail offset i.e. number of bytes to add to
                  * get the complete CAIF frame aligned.
                  */
-                epad = (skb->len + spad) & spi_up_tail_align;
+                epad = PAD_POW2((skb->len + spad), spi_up_tail_align);
 
                 if ((skb->len + spad + epad + frm_len) <= CAIF_MAX_SPI_FRAME) {
                         skb_queue_tail(&cfspi->chead, skb);
@@ -433,6 +440,7 @@ int cfspi_xmitlen(struct cfspi *cfspi)
                 } else {
                         /* Put back packet. */
                         skb_queue_head(&cfspi->qhead, skb);
+                        break;
                 }
         } while (pkts <= CAIF_MAX_SPI_PKTS);
 
@@ -453,6 +461,15 @@ static void cfspi_ss_cb(bool assert, struct cfspi_ifc *ifc)
 {
         struct cfspi *cfspi = (struct cfspi *)ifc->priv;
 
+        /*
+         * The slave device is the master on the link. Interrupts before the
+         * slave has transmitted are considered spurious.
+         */
+        if (cfspi->slave && !cfspi->slave_talked) {
+                printk(KERN_WARNING "CFSPI: Spurious SS interrupt.\n");
+                return;
+        }
+
         if (!in_interrupt())
                 spin_lock(&cfspi->lock);
         if (assert) {
@@ -465,7 +482,8 @@ static void cfspi_ss_cb(bool assert, struct cfspi_ifc *ifc)
                 spin_unlock(&cfspi->lock);
 
         /* Wake up the xfer thread. */
-        wake_up_interruptible(&cfspi->wait);
+        if (assert)
+                wake_up_interruptible(&cfspi->wait);
 }
 
 static void cfspi_xfer_done_cb(struct cfspi_ifc *ifc)
@@ -523,7 +541,7 @@ int cfspi_rxfrm(struct cfspi *cfspi, u8 *buf, size_t len)
                  * Compute head offset i.e. number of bytes added to
                  * get the start of the payload aligned.
                  */
-                if (spi_down_head_align) {
+                if (spi_down_head_align > 1) {
                         spad = 1 + *src;
                         src += spad;
                 }
@@ -564,7 +582,7 @@ int cfspi_rxfrm(struct cfspi *cfspi, u8 *buf, size_t len)
                  * Compute tail offset i.e. number of bytes added to
                  * get the complete CAIF frame aligned.
                  */
-                epad = (pkt_len + spad) & spi_down_tail_align;
+                epad = PAD_POW2((pkt_len + spad), spi_down_tail_align);
                 src += epad;
         } while ((src - buf) < len);
 
@@ -625,11 +643,20 @@ int cfspi_spi_probe(struct platform_device *pdev)
         cfspi->ndev = ndev;
         cfspi->pdev = pdev;
 
-        /* Set flow info */
+        /* Set flow info. */
         cfspi->flow_off_sent = 0;
         cfspi->qd_low_mark = LOW_WATER_MARK;
         cfspi->qd_high_mark = HIGH_WATER_MARK;
 
+        /* Set slave info. */
+        if (!strncmp(cfspi_spi_driver.driver.name, "cfspi_sspi", 10)) {
+                cfspi->slave = true;
+                cfspi->slave_talked = false;
+        } else {
+                cfspi->slave = false;
+                cfspi->slave_talked = false;
+        }
+
         /* Assign the SPI device. */
         cfspi->dev = dev;
         /* Assign the device ifc to this SPI interface. */
diff --git a/drivers/net/caif/caif_spi_slave.c b/drivers/net/caif/caif_spi_slave.c
index 2111dbfea6fe..1b9943a4edab 100644
--- a/drivers/net/caif/caif_spi_slave.c
+++ b/drivers/net/caif/caif_spi_slave.c
@@ -36,10 +36,15 @@ static inline int forward_to_spi_cmd(struct cfspi *cfspi)
 #endif
 
 int spi_frm_align = 2;
-int spi_up_head_align = 1;
-int spi_up_tail_align;
-int spi_down_head_align = 3;
-int spi_down_tail_align = 1;
+
+/*
+ * SPI padding options.
+ * Warning: must be a base of 2 (& operation used) and can not be zero !
+ */
+int spi_up_head_align   = 1 << 1;
+int spi_up_tail_align   = 1 << 0;
+int spi_down_head_align = 1 << 2;
+int spi_down_tail_align = 1 << 1;
 
 #ifdef CONFIG_DEBUG_FS
 static inline void debugfs_store_prev(struct cfspi *cfspi)
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 407d4e272075..046d846c652d 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -3341,7 +3341,6 @@ static int __devinit init_one(struct pci_dev *pdev,
                                 adapter->name = adapter->port[i]->name;
 
                         __set_bit(i, &adapter->registered_device_map);
-                        netif_tx_stop_all_queues(adapter->port[i]);
                 }
         }
         if (!adapter->registered_device_map) {
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index f17703f410b3..f50bc98310f8 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -3736,7 +3736,6 @@ static int __devinit init_one(struct pci_dev *pdev,
 
                         __set_bit(i, &adapter->registered_device_map);
                         adapter->chan_map[adap2pinfo(adapter, i)->tx_chan] = i;
-                        netif_tx_stop_all_queues(adapter->port[i]);
                 }
         }
         if (!adapter->registered_device_map) {
diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c
index 555ecc5a2e93..6de5e2e448a5 100644
--- a/drivers/net/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/cxgb4vf/cxgb4vf_main.c
@@ -2600,7 +2600,6 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev,
                 pi->xact_addr_filt = -1;
                 pi->rx_offload = RX_CSO;
                 netif_carrier_off(netdev);
-                netif_tx_stop_all_queues(netdev);
                 netdev->irq = pdev->irq;
 
                 netdev->features = (NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 385dc3204cb7..06bb9b799458 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2871,7 +2871,6 @@ static int __devinit emac_probe(struct platform_device *ofdev,
         SET_ETHTOOL_OPS(ndev, &emac_ethtool_ops);
 
         netif_carrier_off(ndev);
-        netif_stop_queue(ndev);
 
         err = register_netdev(ndev);
         if (err) {
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index d85edf3119c2..c57d9a43ceca 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -2955,11 +2955,7 @@ jme_init_one(struct pci_dev *pdev,
          * Tell stack that we are not ready to work until open()
          */
         netif_carrier_off(netdev);
-        netif_stop_queue(netdev);
 
-        /*
-         * Register netdev
-         */
         rc = register_netdev(netdev);
         if (rc) {
                 pr_err("Cannot register net device\n");
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index a75ba9517404..e1d30d7f2071 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -41,9 +41,6 @@
 MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Converged Ethernet Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
-MODULE_FIRMWARE(NX_P2_MN_ROMIMAGE_NAME);
-MODULE_FIRMWARE(NX_P3_CT_ROMIMAGE_NAME);
-MODULE_FIRMWARE(NX_P3_MN_ROMIMAGE_NAME);
 MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
 
 char netxen_nic_driver_name[] = "netxen_nic";
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 7a298cdf9ab3..a3dcd04be22f 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1450,7 +1450,6 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter,
         netdev->irq = adapter->msix_entries[0].vector;
 
         netif_carrier_off(netdev);
-        netif_stop_queue(netdev);
 
         err = register_netdev(netdev);
         if (err) {
diff --git a/drivers/net/smsc911x.h b/drivers/net/smsc911x.h
index 52f38e12a879..50f712e99e96 100644
--- a/drivers/net/smsc911x.h
+++ b/drivers/net/smsc911x.h
@@ -22,7 +22,7 @@
 #define __SMSC911X_H__
 
 #define TX_FIFO_LOW_THRESHOLD   ((u32)1600)
-#define SMSC911X_EEPROM_SIZE    ((u32)7)
+#define SMSC911X_EEPROM_SIZE    ((u32)128)
 #define USE_DEBUG               0
 
 /* This is the maximum number of packets to be received every
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index 28e1ffb13db9..c78a50586c1d 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -2021,7 +2021,6 @@ static int __devinit de_init_one (struct pci_dev *pdev,
         de->media_timer.data = (unsigned long) de;
 
         netif_carrier_off(dev);
-        netif_stop_queue(dev);
 
         /* wake up device, assign resources */
         rc = pci_enable_device(pdev);
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index ca7fc9df1ccf..c04d49e31f81 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -45,6 +45,7 @@
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
 #include <linux/kernel.h>
+#include <linux/pm_runtime.h>
 
 #define DRIVER_VERSION          "22-Aug-2005"
 
@@ -1273,6 +1274,16 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
         struct usb_device               *xdev;
         int                             status;
         const char                      *name;
+        struct usb_driver       *driver = to_usb_driver(udev->dev.driver);
+
+        /* usbnet already took usb runtime pm, so have to enable the feature
+         * for usb interface, otherwise usb_autopm_get_interface may return
+         * failure if USB_SUSPEND(RUNTIME_PM) is enabled.
+         */
+        if (!driver->supports_autosuspend) {
+                driver->supports_autosuspend = 1;
+                pm_runtime_enable(&udev->dev);
+        }
 
         name = udev->dev.driver->name;
         info = (struct driver_info *) prod->driver_info;
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index 32dee2ce5d31..d5ef696298ee 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -54,6 +54,7 @@
 
 #define DRV_DESCRIPTION "802.11 data/management/control stack"
 #define DRV_NAME        "libipw"
+#define DRV_PROCNAME    "ieee80211"
 #define DRV_VERSION     LIBIPW_VERSION
 #define DRV_COPYRIGHT   "Copyright (C) 2004-2005 Intel Corporation <jketreno@linux.intel.com>"
 
@@ -293,16 +294,16 @@ static int __init libipw_init(void)
         struct proc_dir_entry *e;
 
         libipw_debug_level = debug;
-        libipw_proc = proc_mkdir("ieee80211", init_net.proc_net);
+        libipw_proc = proc_mkdir(DRV_PROCNAME, init_net.proc_net);
         if (libipw_proc == NULL) {
-                LIBIPW_ERROR("Unable to create " DRV_NAME
+                LIBIPW_ERROR("Unable to create " DRV_PROCNAME
                                 " proc directory\n");
                 return -EIO;
         }
         e = proc_create("debug_level", S_IRUGO | S_IWUSR, libipw_proc,
                         &debug_level_proc_fops);
         if (!e) {
-                remove_proc_entry(DRV_NAME, init_net.proc_net);
+                remove_proc_entry(DRV_PROCNAME, init_net.proc_net);
                 libipw_proc = NULL;
                 return -EIO;
         }
@@ -319,7 +320,7 @@ static void __exit libipw_exit(void)
 #ifdef CONFIG_LIBIPW_DEBUG
         if (libipw_proc) {
                 remove_proc_entry("debug_level", libipw_proc);
-                remove_proc_entry(DRV_NAME, init_net.proc_net);
+                remove_proc_entry(DRV_PROCNAME, init_net.proc_net);
                 libipw_proc = NULL;
         }
 #endif                          /* CONFIG_LIBIPW_DEBUG */
diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index eea1ef2f502b..4396d4b9bfb9 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -221,9 +221,6 @@ config RT2X00_LIB_LEDS
         boolean
         default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n)
 
-comment "rt2x00 leds support disabled due to modularized LEDS_CLASS and built-in rt2x00"
-        depends on RT2X00_LIB=y && LEDS_CLASS=m
-
 config RT2X00_LIB_DEBUGFS
         bool "Ralink debugfs support"
         depends on RT2X00_LIB && MAC80211_DEBUGFS
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 68cf0c99138a..7b5080c45569 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -1159,11 +1159,11 @@ int __devinit rio_init_mports(void)
 
         list_for_each_entry(port, &rio_mports, node) {
                 if (!request_mem_region(port->iores.start,
-                                        port->iores.end - port->iores.start,
+                                        resource_size(&port->iores),
                                         port->name)) {
                         printk(KERN_ERR
                                "RIO: Error requesting master port region 0x%016llx-0x%016llx\n",
-                               (u64)port->iores.start, (u64)port->iores.end - 1);
+                               (u64)port->iores.start, (u64)port->iores.end);
                         rc = -ENOMEM;
                         goto out;
                 }
diff --git a/drivers/rtc/rtc-ds1302.c b/drivers/rtc/rtc-ds1302.c
index 359d1e04626c..f0d638922644 100644
--- a/drivers/rtc/rtc-ds1302.c
+++ b/drivers/rtc/rtc-ds1302.c
@@ -35,7 +35,7 @@
 
 #ifdef CONFIG_SH_SECUREEDGE5410
 #include <asm/rtc.h>
-#include <mach/snapgear.h>
+#include <mach/secureedge5410.h>
 
 #define RTC_RESET       0x1000
 #define RTC_IODATA      0x0800
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 1de30eb83bb0..f3cf924a2cd9 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -320,19 +320,11 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
                                     "changed. The Linux SCSI layer does not "
                                     "automatically adjust these parameters.\n");
 
-                if (scmd->request->cmd_flags & REQ_HARDBARRIER)
-                        /*
-                         * barrier requests should always retry on UA
-                         * otherwise block will get a spurious error
-                         */
-                        return NEEDS_RETRY;
-                else
-                        /*
-                         * for normal (non barrier) commands, pass the
-                         * UA upwards for a determination in the
-                         * completion functions
-                         */
-                        return SUCCESS;
+                /*
+                 * Pass the UA upwards for a determination in the completion
+                 * functions.
+                 */
+                return SUCCESS;
 
                 /* these three are not supported */
         case COPY_ABORTED:
diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c
index d4b711c9a416..3374618300af 100644
--- a/drivers/serial/kgdboc.c
+++ b/drivers/serial/kgdboc.c
@@ -18,6 +18,7 @@
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/vt_kern.h>
+#include <linux/input.h>
 
 #define MAX_CONFIG_LEN          40
 
@@ -37,6 +38,61 @@ static struct tty_driver	*kgdb_tty_driver;
 static int                      kgdb_tty_line;
 
 #ifdef CONFIG_KDB_KEYBOARD
+static int kgdboc_reset_connect(struct input_handler *handler,
+                                struct input_dev *dev,
+                                const struct input_device_id *id)
+{
+        input_reset_device(dev);
+
+        /* Retrun an error - we do not want to bind, just to reset */
+        return -ENODEV;
+}
+
+static void kgdboc_reset_disconnect(struct input_handle *handle)
+{
+        /* We do not expect anyone to actually bind to us */
+        BUG();
+}
+
+static const struct input_device_id kgdboc_reset_ids[] = {
+        {
+                .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
+                .evbit = { BIT_MASK(EV_KEY) },
+        },
+        { }
+};
+
+static struct input_handler kgdboc_reset_handler = {
+        .connect        = kgdboc_reset_connect,
+        .disconnect     = kgdboc_reset_disconnect,
+        .name           = "kgdboc_reset",
+        .id_table       = kgdboc_reset_ids,
+};
+
+static DEFINE_MUTEX(kgdboc_reset_mutex);
+
+static void kgdboc_restore_input_helper(struct work_struct *dummy)
+{
+        /*
+         * We need to take a mutex to prevent several instances of
+         * this work running on different CPUs so they don't try
+         * to register again already registered handler.
+         */
+        mutex_lock(&kgdboc_reset_mutex);
+
+        if (input_register_handler(&kgdboc_reset_handler) == 0)
+                input_unregister_handler(&kgdboc_reset_handler);
+
+        mutex_unlock(&kgdboc_reset_mutex);
+}
+
+static DECLARE_WORK(kgdboc_restore_input_work, kgdboc_restore_input_helper);
+
+static void kgdboc_restore_input(void)
+{
+        schedule_work(&kgdboc_restore_input_work);
+}
+
 static int kgdboc_register_kbd(char **cptr)
 {
         if (strncmp(*cptr, "kbd", 3) == 0) {
@@ -64,10 +120,12 @@ static void kgdboc_unregister_kbd(void)
                         i--;
                 }
         }
+        flush_work_sync(&kgdboc_restore_input_work);
 }
 #else /* ! CONFIG_KDB_KEYBOARD */
 #define kgdboc_register_kbd(x) 0
 #define kgdboc_unregister_kbd()
+#define kgdboc_restore_input()
 #endif /* ! CONFIG_KDB_KEYBOARD */
 
 static int kgdboc_option_setup(char *opt)
@@ -231,6 +289,7 @@ static void kgdboc_post_exp_handler(void)
                 dbg_restore_graphics = 0;
                 con_debug_leave();
         }
+        kgdboc_restore_input();
 }
 
 static struct kgdb_io kgdboc_io_ops = {
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index fd0d1b98901c..09615b51d591 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -90,8 +90,8 @@ struct clk_rate_round_data {
 static long clk_rate_round_helper(struct clk_rate_round_data *rounder)
 {
         unsigned long rate_error, rate_error_prev = ~0UL;
-        unsigned long rate_best_fit = rounder->rate;
         unsigned long highest, lowest, freq;
+        long rate_best_fit = -ENOENT;
         int i;
 
         highest = 0;
@@ -146,7 +146,7 @@ long clk_rate_table_round(struct clk *clk,
         };
 
         if (clk->nr_freqs < 1)
-                return 0;
+                return -ENOSYS;
 
         return clk_rate_round_helper(&table_round);
 }
@@ -541,6 +541,98 @@ long clk_round_rate(struct clk *clk, unsigned long rate)
 }
 EXPORT_SYMBOL_GPL(clk_round_rate);
 
+long clk_round_parent(struct clk *clk, unsigned long target,
+                      unsigned long *best_freq, unsigned long *parent_freq,
+                      unsigned int div_min, unsigned int div_max)
+{
+        struct cpufreq_frequency_table *freq, *best = NULL;
+        unsigned long error = ULONG_MAX, freq_high, freq_low, div;
+        struct clk *parent = clk_get_parent(clk);
+
+        if (!parent) {
+                *parent_freq = 0;
+                *best_freq = clk_round_rate(clk, target);
+                return abs(target - *best_freq);
+        }
+
+        for (freq = parent->freq_table; freq->frequency != CPUFREQ_TABLE_END;
+             freq++) {
+                if (freq->frequency == CPUFREQ_ENTRY_INVALID)
+                        continue;
+
+                if (unlikely(freq->frequency / target <= div_min - 1)) {
+                        unsigned long freq_max;
+
+                        freq_max = (freq->frequency + div_min / 2) / div_min;
+                        if (error > target - freq_max) {
+                                error = target - freq_max;
+                                best = freq;
+                                if (best_freq)
+                                        *best_freq = freq_max;
+                        }
+
+                        pr_debug("too low freq %lu, error %lu\n", freq->frequency,
+                                 target - freq_max);
+
+                        if (!error)
+                                break;
+
+                        continue;
+                }
+
+                if (unlikely(freq->frequency / target >= div_max)) {
+                        unsigned long freq_min;
+
+                        freq_min = (freq->frequency + div_max / 2) / div_max;
+                        if (error > freq_min - target) {
+                                error = freq_min - target;
+                                best = freq;
+                                if (best_freq)
+                                        *best_freq = freq_min;
+                        }
+
+                        pr_debug("too high freq %lu, error %lu\n", freq->frequency,
+                                 freq_min - target);
+
+                        if (!error)
+                                break;
+
+                        continue;
+                }
+
+                div = freq->frequency / target;
+                freq_high = freq->frequency / div;
+                freq_low = freq->frequency / (div + 1);
+
+                if (freq_high - target < error) {
+                        error = freq_high - target;
+                        best = freq;
+                        if (best_freq)
+                                *best_freq = freq_high;
+                }
+
+                if (target - freq_low < error) {
+                        error = target - freq_low;
+                        best = freq;
+                        if (best_freq)
+                                *best_freq = freq_low;
+                }
+
+                pr_debug("%u / %lu = %lu, / %lu = %lu, best %lu, parent %u\n",
+                         freq->frequency, div, freq_high, div + 1, freq_low,
+                         *best_freq, best->frequency);
+
+                if (!error)
+                        break;
+        }
+
+        if (parent_freq)
+                *parent_freq = best->frequency;
+
+        return error;
+}
+EXPORT_SYMBOL_GPL(clk_round_parent);
+
 #ifdef CONFIG_PM
 static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state)
 {
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 873a99ff8f64..e5e9e6735f7d 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -79,7 +79,7 @@ static void __init intc_register_irq(struct intc_desc *desc,
          * Register the IRQ position with the global IRQ map, then insert
          * it in to the radix tree.
          */
-        irq_reserve_irqs(irq, 1);
+        irq_reserve_irq(irq);
 
         raw_spin_lock_irqsave(&intc_big_lock, flags);
         radix_tree_insert(&d->tree, enum_id, intc_irq_xlate_get(irq));
diff --git a/drivers/sh/intc/dynamic.c b/drivers/sh/intc/dynamic.c
index 4187cce20ffd..a3677c9dfe36 100644
--- a/drivers/sh/intc/dynamic.c
+++ b/drivers/sh/intc/dynamic.c
@@ -60,5 +60,5 @@ void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs)
         int i;
 
         for (i = 0; i < nr_vecs; i++)
-                irq_reserve_irqs(evt2irq(vectors[i].vect), 1);
+                irq_reserve_irq(evt2irq(vectors[i].vect));
 }
diff --git a/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c b/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c
index 22c6c6659f5b..ee8b47746a15 100644
--- a/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c
+++ b/drivers/staging/ath6kl/hif/sdio/linux_sdio/src/hif_scatter.c
@@ -285,9 +285,9 @@ A_STATUS SetupHIFScatterSupport(HIF_DEVICE *device, HIF_DEVICE_SCATTER_SUPPORT_I
     do {
         
             /* check if host supports scatter requests and it meets our requirements */
-        if (device->func->card->host->max_hw_segs < MAX_SCATTER_ENTRIES_PER_REQ) {
+        if (device->func->card->host->max_segs < MAX_SCATTER_ENTRIES_PER_REQ) {
             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HIF-SCATTER : host only supports scatter of : %d entries, need: %d \n",
-                    device->func->card->host->max_hw_segs, MAX_SCATTER_ENTRIES_PER_REQ));
+                    device->func->card->host->max_segs, MAX_SCATTER_ENTRIES_PER_REQ));
             status = A_ENOTSUP;
             break;    
         }
diff --git a/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h b/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/drivers/staging/ath6kl/os/linux/include/athendpack_linux.h
+++ /dev/null
diff --git a/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h b/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/drivers/staging/ath6kl/os/linux/include/athstartpack_linux.h
+++ /dev/null
diff --git a/drivers/staging/solo6x10/solo6010-v4l2-enc.c b/drivers/staging/solo6x10/solo6010-v4l2-enc.c
index bbf3d9c4abb0..097e82bc7a63 100644
--- a/drivers/staging/solo6x10/solo6010-v4l2-enc.c
+++ b/drivers/staging/solo6x10/solo6010-v4l2-enc.c
@@ -766,7 +766,7 @@ static int solo_enc_open(struct file *file)
                                     &solo_enc->lock,
                                     V4L2_BUF_TYPE_VIDEO_CAPTURE,
                                     V4L2_FIELD_INTERLACED,
-                                    sizeof(struct videobuf_buffer), fh);
+                                    sizeof(struct videobuf_buffer), fh, NULL);
 
         spin_unlock(&solo_enc->lock);
 
diff --git a/drivers/staging/solo6x10/solo6010-v4l2.c b/drivers/staging/solo6x10/solo6010-v4l2.c
index 9731fa02b5e8..6ffd21de837d 100644
--- a/drivers/staging/solo6x10/solo6010-v4l2.c
+++ b/drivers/staging/solo6x10/solo6010-v4l2.c
@@ -437,7 +437,7 @@ static int solo_v4l2_open(struct file *file)
                                     &solo_dev->pdev->dev, &fh->slock,
                                     V4L2_BUF_TYPE_VIDEO_CAPTURE,
                                     SOLO_DISP_PIX_FIELD,
-                                    sizeof(struct videobuf_buffer), fh);
+                                    sizeof(struct videobuf_buffer), fh, NULL);
 
         return 0;
 }
diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile
new file mode 100644
index 000000000000..c43ef48b1a0f
--- /dev/null
+++ b/drivers/tty/Makefile
@@ -0,0 +1,11 @@
+obj-y                           += tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o \
+                                   tty_buffer.o tty_port.o tty_mutex.o
+obj-$(CONFIG_LEGACY_PTYS)       += pty.o
+obj-$(CONFIG_UNIX98_PTYS)       += pty.o
+obj-$(CONFIG_AUDIT)             += tty_audit.o
+obj-$(CONFIG_MAGIC_SYSRQ)       += sysrq.o
+obj-$(CONFIG_N_HDLC)            += n_hdlc.o
+obj-$(CONFIG_N_GSM)             += n_gsm.o
+obj-$(CONFIG_R3964)             += n_r3964.o
+
+obj-y                           += vt/
diff --git a/drivers/char/n_gsm.c b/drivers/tty/n_gsm.c
index 04ef3ef0a422..04ef3ef0a422 100644
--- a/drivers/char/n_gsm.c
+++ b/drivers/tty/n_gsm.c
diff --git a/drivers/char/n_hdlc.c b/drivers/tty/n_hdlc.c
index 47d32281032c..47d32281032c 100644
--- a/drivers/char/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
diff --git a/drivers/char/n_r3964.c b/drivers/tty/n_r3964.c
index 88dda0c45ee0..88dda0c45ee0 100644
--- a/drivers/char/n_r3964.c
+++ b/drivers/tty/n_r3964.c
diff --git a/drivers/char/n_tty.c b/drivers/tty/n_tty.c
index 428f4fe0b5f7..428f4fe0b5f7 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/tty/n_tty.c
diff --git a/drivers/char/pty.c b/drivers/tty/pty.c
index 923a48585501..923a48585501 100644
--- a/drivers/char/pty.c
+++ b/drivers/tty/pty.c
diff --git a/drivers/char/sysrq.c b/drivers/tty/sysrq.c
index eaa5d3efa79d..eaa5d3efa79d 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/tty/sysrq.c
diff --git a/drivers/char/tty_audit.c b/drivers/tty/tty_audit.c
index f64582b0f623..f64582b0f623 100644
--- a/drivers/char/tty_audit.c
+++ b/drivers/tty/tty_audit.c
diff --git a/drivers/char/tty_buffer.c b/drivers/tty/tty_buffer.c
index cc1e9850d655..cc1e9850d655 100644
--- a/drivers/char/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
diff --git a/drivers/char/tty_io.c b/drivers/tty/tty_io.c
index c05c5af5aa04..c05c5af5aa04 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/tty/tty_io.c
diff --git a/drivers/char/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 0c1889971459..0c1889971459 100644
--- a/drivers/char/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
diff --git a/drivers/char/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 412f9775d19c..412f9775d19c 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
diff --git a/drivers/char/tty_mutex.c b/drivers/tty/tty_mutex.c
index 133697540c73..133697540c73 100644
--- a/drivers/char/tty_mutex.c
+++ b/drivers/tty/tty_mutex.c
diff --git a/drivers/char/tty_port.c b/drivers/tty/tty_port.c
index 33d37d230f8f..33d37d230f8f 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/tty/tty_port.c
diff --git a/drivers/char/.gitignore b/drivers/tty/vt/.gitignore
index 83683a2d8e6a..83683a2d8e6a 100644
--- a/drivers/char/.gitignore
+++ b/drivers/tty/vt/.gitignore
diff --git a/drivers/tty/vt/Makefile b/drivers/tty/vt/Makefile
new file mode 100644
index 000000000000..14a51c9960df
--- /dev/null
+++ b/drivers/tty/vt/Makefile
@@ -0,0 +1,34 @@
+#
+# This file contains the font map for the default (hardware) font
+#
+FONTMAPFILE = cp437.uni
+
+obj-$(CONFIG_VT)                        += vt_ioctl.o vc_screen.o \
+                                           selection.o keyboard.o
+obj-$(CONFIG_CONSOLE_TRANSLATIONS)      += consolemap.o consolemap_deftbl.o
+obj-$(CONFIG_HW_CONSOLE)                += vt.o defkeymap.o
+
+# Files generated that shall be removed upon make clean
+clean-files := consolemap_deftbl.c defkeymap.c
+
+quiet_cmd_conmk = CONMK   $@
+      cmd_conmk = scripts/conmakehash $< > $@
+
+$(obj)/consolemap_deftbl.c: $(src)/$(FONTMAPFILE)
+        $(call cmd,conmk)
+
+$(obj)/defkeymap.o:  $(obj)/defkeymap.c
+
+# Uncomment if you're changing the keymap and have an appropriate
+# loadkeys version for the map. By default, we'll use the shipped
+# versions.
+# GENERATE_KEYMAP := 1
+
+ifdef GENERATE_KEYMAP
+
+$(obj)/defkeymap.c: $(obj)/%.c: $(src)/%.map
+        loadkeys --mktable $< > $@.tmp
+        sed -e 's/^static *//' $@.tmp > $@
+        rm $@.tmp
+
+endif
diff --git a/drivers/char/consolemap.c b/drivers/tty/vt/consolemap.c
index 45d3e80156d4..45d3e80156d4 100644
--- a/drivers/char/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
diff --git a/drivers/char/cp437.uni b/drivers/tty/vt/cp437.uni
index bc6163484f62..bc6163484f62 100644
--- a/drivers/char/cp437.uni
+++ b/drivers/tty/vt/cp437.uni
diff --git a/drivers/char/defkeymap.c_shipped b/drivers/tty/vt/defkeymap.c_shipped
index d2208dfe3f67..d2208dfe3f67 100644
--- a/drivers/char/defkeymap.c_shipped
+++ b/drivers/tty/vt/defkeymap.c_shipped
diff --git a/drivers/char/defkeymap.map b/drivers/tty/vt/defkeymap.map
index 50b30cace261..50b30cace261 100644
--- a/drivers/char/defkeymap.map
+++ b/drivers/tty/vt/defkeymap.map
diff --git a/drivers/char/keyboard.c b/drivers/tty/vt/keyboard.c
index e95d7876ca6b..e95d7876ca6b 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/tty/vt/keyboard.c
diff --git a/drivers/char/selection.c b/drivers/tty/vt/selection.c
index ebae344ce910..ebae344ce910 100644
--- a/drivers/char/selection.c
+++ b/drivers/tty/vt/selection.c
diff --git a/drivers/char/vc_screen.c b/drivers/tty/vt/vc_screen.c
index 273ab44cc91d..273ab44cc91d 100644
--- a/drivers/char/vc_screen.c
+++ b/drivers/tty/vt/vc_screen.c
diff --git a/drivers/char/vt.c b/drivers/tty/vt/vt.c
index a8ec48ed14d9..a8ec48ed14d9 100644
--- a/drivers/char/vt.c
+++ b/drivers/tty/vt/vt.c
diff --git a/drivers/char/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 6b68a0fb4611..6b68a0fb4611 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index cb23355f52d3..fbe86ca95802 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -811,7 +811,6 @@ int gether_setup(struct usb_gadget *g, u8 ethaddr[ETH_ALEN])
                 INFO(dev, "MAC %pM\n", net->dev_addr);
                 INFO(dev, "HOST MAC %pM\n", dev->host_mac);
 
-                netif_stop_queue(net);
                 the_dev = dev;
         }
 
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 2054b1e25a65..d1268191acbd 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -331,10 +331,7 @@ static struct urb *uas_alloc_cmd_urb(struct uas_dev_info *devinfo, gfp_t gfp,
 
         iu->iu_id = IU_ID_COMMAND;
         iu->tag = cpu_to_be16(stream_id);
-        if (sdev->ordered_tags && (cmnd->request->cmd_flags & REQ_HARDBARRIER))
-                iu->prio_attr = UAS_ORDERED_TAG;
-        else
-                iu->prio_attr = UAS_SIMPLE_TAG;
+        iu->prio_attr = UAS_SIMPLE_TAG;
         iu->len = len;
         int_to_scsilun(sdev->lun, &iu->lun);
         memcpy(iu->cdb, cmnd->cmnd, cmnd->cmd_len);
diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index 3ec24609151e..734c650a47c4 100644
--- a/drivers/video/backlight/adp8860_bl.c
+++ b/drivers/video/backlight/adp8860_bl.c
@@ -502,8 +502,10 @@ static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev,
                 struct device_attribute *attr, const char *buf, size_t count)
 {
         struct adp8860_bl *data = dev_get_drvdata(dev);
+        int ret = strict_strtoul(buf, 10, &data->cached_daylight_max);
+        if (ret)
+                return ret;
 
-        strict_strtoul(buf, 10, &data->cached_daylight_max);
         return adp8860_store(dev, buf, count, ADP8860_BLMX1);
 }
 static DEVICE_ATTR(l1_daylight_max, 0664, adp8860_bl_l1_daylight_max_show,
@@ -614,7 +616,7 @@ static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev,
         if (val == 0) {
                 /* Enable automatic ambient light sensing */
                 adp8860_set_bits(data->client, ADP8860_MDCR, CMP_AUTOEN);
-        } else if ((val > 0) && (val < 6)) {
+        } else if ((val > 0) && (val <= 3)) {
                 /* Disable automatic ambient light sensing */
                 adp8860_clr_bits(data->client, ADP8860_MDCR, CMP_AUTOEN);
 
@@ -622,7 +624,7 @@ static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev,
                 mutex_lock(&data->lock);
                 adp8860_read(data->client, ADP8860_CFGR, &reg_val);
                 reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT);
-                reg_val |= val << CFGR_BLV_SHIFT;
+                reg_val |= (val - 1) << CFGR_BLV_SHIFT;
                 adp8860_write(data->client, ADP8860_CFGR, reg_val);
                 mutex_unlock(&data->lock);
         }
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 9093ef0fa869..c67801e57aaf 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -78,7 +78,7 @@ static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power)
         const u16 slpin = 0x10;
         const u16 disoff = 0x28;
 
-        if (power) {
+        if (power <= FB_BLANK_NORMAL) {
                 if (priv->lcd_on)
                         return 0;
 
diff --git a/drivers/video/backlight/lms283gf05.c b/drivers/video/backlight/lms283gf05.c
index abc43a0eb97d..5d3cf33953ac 100644
--- a/drivers/video/backlight/lms283gf05.c
+++ b/drivers/video/backlight/lms283gf05.c
@@ -129,7 +129,7 @@ static int lms283gf05_power_set(struct lcd_device *ld, int power)
         struct spi_device *spi = st->spi;
         struct lms283gf05_pdata *pdata = spi->dev.platform_data;
 
-        if (power) {
+        if (power <= FB_BLANK_NORMAL) {
                 if (pdata)
                         lms283gf05_reset(pdata->reset_gpio,
                                         pdata->reset_inverted);
diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c
index 9fb533f6373e..1485f7345f49 100644
--- a/drivers/video/backlight/mbp_nvidia_bl.c
+++ b/drivers/video/backlight/mbp_nvidia_bl.c
@@ -335,6 +335,24 @@ static const struct dmi_system_id __initdata mbp_device_table[] = {
                 },
                 .driver_data    = (void *)&nvidia_chipset_data,
         },
+        {
+                .callback       = mbp_dmi_match,
+                .ident          = "MacBookAir 3,1",
+                .matches        = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir3,1"),
+                },
+                .driver_data    = (void *)&nvidia_chipset_data,
+        },
+        {
+                .callback       = mbp_dmi_match,
+                .ident          = "MacBookAir 3,2",
+                .matches        = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir3,2"),
+                },
+                .driver_data    = (void *)&nvidia_chipset_data,
+        },
         { }
 };
 
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 550443518891..21866ec69656 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -25,6 +25,7 @@ struct pwm_bl_data {
         struct pwm_device       *pwm;
         struct device           *dev;
         unsigned int            period;
+        unsigned int            lth_brightness;
         int                     (*notify)(struct device *,
                                           int brightness);
 };
@@ -48,7 +49,9 @@ static int pwm_backlight_update_status(struct backlight_device *bl)
                 pwm_config(pb->pwm, 0, pb->period);
                 pwm_disable(pb->pwm);
         } else {
-                pwm_config(pb->pwm, brightness * pb->period / max, pb->period);
+                brightness = pb->lth_brightness +
+                        (brightness * (pb->period - pb->lth_brightness) / max);
+                pwm_config(pb->pwm, brightness, pb->period);
                 pwm_enable(pb->pwm);
         }
         return 0;
@@ -92,6 +95,8 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 
         pb->period = data->pwm_period_ns;
         pb->notify = data->notify;
+        pb->lth_brightness = data->lth_brightness *
+                (data->pwm_period_ns / data->max_brightness);
         pb->dev = &pdev->dev;
 
         pb->pwm = pwm_request(data->pwm_id, "backlight");
diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
index a3128c9cb7ad..5927db0da999 100644
--- a/drivers/video/backlight/s6e63m0.c
+++ b/drivers/video/backlight/s6e63m0.c
@@ -729,10 +729,10 @@ static ssize_t s6e63m0_sysfs_show_gamma_table(struct device *dev,
 
         return strlen(buf);
 }
-static DEVICE_ATTR(gamma_table, 0644,
+static DEVICE_ATTR(gamma_table, 0444,
                 s6e63m0_sysfs_show_gamma_table, NULL);
 
-static int __init s6e63m0_probe(struct spi_device *spi)
+static int __devinit s6e63m0_probe(struct spi_device *spi)
 {
         int ret = 0;
         struct s6e63m0 *lcd = NULL;
@@ -829,6 +829,9 @@ static int __devexit s6e63m0_remove(struct spi_device *spi)
         struct s6e63m0 *lcd = dev_get_drvdata(&spi->dev);
 
         s6e63m0_power(lcd, FB_BLANK_POWERDOWN);
+        device_remove_file(&spi->dev, &dev_attr_gamma_table);
+        device_remove_file(&spi->dev, &dev_attr_gamma_mode);
+        backlight_device_unregister(lcd->bd);
         lcd_device_unregister(lcd->ld);
         kfree(lcd);
 
diff --git a/fs/bio.c b/fs/bio.c
index 8abb2dfb2e7c..4bd454fa844e 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -370,6 +370,9 @@ struct bio *bio_kmalloc(gfp_t gfp_mask, int nr_iovecs)
 {
         struct bio *bio;
 
+        if (nr_iovecs > UIO_MAXIOV)
+                return NULL;
+
         bio = kmalloc(sizeof(struct bio) + nr_iovecs * sizeof(struct bio_vec),
                       gfp_mask);
         if (unlikely(!bio))
@@ -697,8 +700,12 @@ static void bio_free_map_data(struct bio_map_data *bmd)
 static struct bio_map_data *bio_alloc_map_data(int nr_segs, int iov_count,
                                                gfp_t gfp_mask)
 {
-        struct bio_map_data *bmd = kmalloc(sizeof(*bmd), gfp_mask);
+        struct bio_map_data *bmd;
 
+        if (iov_count > UIO_MAXIOV)
+                return NULL;
+
+        bmd = kmalloc(sizeof(*bmd), gfp_mask);
         if (!bmd)
                 return NULL;
 
@@ -827,6 +834,12 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
                 end = (uaddr + iov[i].iov_len + PAGE_SIZE - 1) >> PAGE_SHIFT;
                 start = uaddr >> PAGE_SHIFT;
 
+                /*
+                 * Overflow, abort
+                 */
+                if (end < start)
+                        return ERR_PTR(-EINVAL);
+
                 nr_pages += end - start;
                 len += iov[i].iov_len;
         }
@@ -955,6 +968,12 @@ static struct bio *__bio_map_user_iov(struct request_queue *q,
                 unsigned long end = (uaddr + len + PAGE_SIZE - 1) >> PAGE_SHIFT;
                 unsigned long start = uaddr >> PAGE_SHIFT;
 
+                /*
+                 * Overflow, abort
+                 */
+                if (end < start)
+                        return ERR_PTR(-EINVAL);
+
                 nr_pages += end - start;
                 /*
                  * buffer must be aligned to at least hardsector size for now
@@ -982,7 +1001,7 @@ static struct bio *__bio_map_user_iov(struct request_queue *q,
                 unsigned long start = uaddr >> PAGE_SHIFT;
                 const int local_nr_pages = end - start;
                 const int page_limit = cur_page + local_nr_pages;
-                
+
                 ret = get_user_pages_fast(uaddr, local_nr_pages,
                                 write_to_vm, &pages[cur_page]);
                 if (ret < local_nr_pages) {
diff --git a/fs/cifs/TODO b/fs/cifs/TODO
index 5aff46c61e52..355abcdcda98 100644
--- a/fs/cifs/TODO
+++ b/fs/cifs/TODO
@@ -81,7 +81,7 @@ u) DOS attrs - returned as pseudo-xattr in Samba format (check VFAT and NTFS for
 
 v) mount check for unmatched uids
 
-w) Add support for new vfs entry points for setlease and fallocate 
+w) Add support for new vfs entry point for fallocate
 
 x) Fix Samba 3 server to handle Linux kernel aio so dbench with lots of 
 processes can proceed better in parallel (on the server)
diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h
index 525ba59a4105..e9a393c9c2ca 100644
--- a/fs/cifs/cifs_fs_sb.h
+++ b/fs/cifs/cifs_fs_sb.h
@@ -15,7 +15,7 @@
  *   the GNU Lesser General Public License for more details.
  *
  */
-#include <linux/radix-tree.h>
+#include <linux/rbtree.h>
 
 #ifndef _CIFS_FS_SB_H
 #define _CIFS_FS_SB_H
@@ -42,9 +42,9 @@
 #define CIFS_MOUNT_MULTIUSER    0x20000 /* multiuser mount */
 
 struct cifs_sb_info {
-        struct radix_tree_root tlink_tree;
-#define CIFS_TLINK_MASTER_TAG           0       /* is "master" (mount) tcon */
+        struct rb_root tlink_tree;
         spinlock_t tlink_tree_lock;
+        struct tcon_link *master_tlink;
         struct nls_table *local_nls;
         unsigned int rsize;
         unsigned int wsize;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 75c4eaa79588..9c3789762ab7 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -116,7 +116,7 @@ cifs_read_super(struct super_block *sb, void *data,
                 return -ENOMEM;
 
         spin_lock_init(&cifs_sb->tlink_tree_lock);
-        INIT_RADIX_TREE(&cifs_sb->tlink_tree, GFP_KERNEL);
+        cifs_sb->tlink_tree = RB_ROOT;
 
         rc = bdi_setup_and_register(&cifs_sb->bdi, "cifs", BDI_CAP_MAP_COPY);
         if (rc) {
@@ -321,8 +321,7 @@ cifs_alloc_inode(struct super_block *sb)
         /* Until the file is open and we have gotten oplock
         info back from the server, can not assume caching of
         file data or metadata */
-        cifs_inode->clientCanCacheRead = false;
-        cifs_inode->clientCanCacheAll = false;
+        cifs_set_oplock_level(cifs_inode, 0);
         cifs_inode->delete_pending = false;
         cifs_inode->invalid_mapping = false;
         cifs_inode->vfs_inode.i_blkbits = 14;  /* 2**14 = CIFS_MAX_MSGSIZE */
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index f259e4d7612d..b577bf0a1bb3 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -336,7 +336,8 @@ struct cifsTconInfo {
  * "get" on the container.
  */
 struct tcon_link {
-        unsigned long           tl_index;
+        struct rb_node          tl_rbnode;
+        uid_t                   tl_uid;
         unsigned long           tl_flags;
 #define TCON_LINK_MASTER        0
 #define TCON_LINK_PENDING       1
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index edb6d90efdf2..7ed69b6b5fe6 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -104,6 +104,7 @@ extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601);
 extern u64 cifs_UnixTimeToNT(struct timespec);
 extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time,
                                       int offset);
+extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock);
 
 extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle,
                                 struct file *file, struct tcon_link *tlink,
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 9eb327defa1d..251a17c03545 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -116,6 +116,7 @@ struct smb_vol {
 
 static int ipv4_connect(struct TCP_Server_Info *server);
 static int ipv6_connect(struct TCP_Server_Info *server);
+static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink);
 static void cifs_prune_tlinks(struct work_struct *work);
 
 /*
@@ -2900,24 +2901,16 @@ remote_path_check:
                 goto mount_fail_check;
         }
 
-        tlink->tl_index = pSesInfo->linux_uid;
+        tlink->tl_uid = pSesInfo->linux_uid;
         tlink->tl_tcon = tcon;
         tlink->tl_time = jiffies;
         set_bit(TCON_LINK_MASTER, &tlink->tl_flags);
         set_bit(TCON_LINK_IN_TREE, &tlink->tl_flags);
 
-        rc = radix_tree_preload(GFP_KERNEL);
-        if (rc == -ENOMEM) {
-                kfree(tlink);
-                goto mount_fail_check;
-        }
-
+        cifs_sb->master_tlink = tlink;
         spin_lock(&cifs_sb->tlink_tree_lock);
-        radix_tree_insert(&cifs_sb->tlink_tree, pSesInfo->linux_uid, tlink);
-        radix_tree_tag_set(&cifs_sb->tlink_tree, pSesInfo->linux_uid,
-                           CIFS_TLINK_MASTER_TAG);
+        tlink_rb_insert(&cifs_sb->tlink_tree, tlink);
         spin_unlock(&cifs_sb->tlink_tree_lock);
-        radix_tree_preload_end();
 
         queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks,
                                 TLINK_IDLE_EXPIRE);
@@ -3107,32 +3100,25 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
 int
 cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
 {
-        int i, ret;
+        struct rb_root *root = &cifs_sb->tlink_tree;
+        struct rb_node *node;
+        struct tcon_link *tlink;
         char *tmp;
-        struct tcon_link *tlink[8];
-        unsigned long index = 0;
 
         cancel_delayed_work_sync(&cifs_sb->prune_tlinks);
 
-        do {
-                spin_lock(&cifs_sb->tlink_tree_lock);
-                ret = radix_tree_gang_lookup(&cifs_sb->tlink_tree,
-                                             (void **)tlink, index,
-                                             ARRAY_SIZE(tlink));
-                /* increment index for next pass */
-                if (ret > 0)
-                        index = tlink[ret - 1]->tl_index + 1;
-                for (i = 0; i < ret; i++) {
-                        cifs_get_tlink(tlink[i]);
-                        clear_bit(TCON_LINK_IN_TREE, &tlink[i]->tl_flags);
-                        radix_tree_delete(&cifs_sb->tlink_tree,
-                                                        tlink[i]->tl_index);
-                }
-                spin_unlock(&cifs_sb->tlink_tree_lock);
+        spin_lock(&cifs_sb->tlink_tree_lock);
+        while ((node = rb_first(root))) {
+                tlink = rb_entry(node, struct tcon_link, tl_rbnode);
+                cifs_get_tlink(tlink);
+                clear_bit(TCON_LINK_IN_TREE, &tlink->tl_flags);
+                rb_erase(node, root);
 
-                for (i = 0; i < ret; i++)
-                        cifs_put_tlink(tlink[i]);
-        } while (ret != 0);
+                spin_unlock(&cifs_sb->tlink_tree_lock);
+                cifs_put_tlink(tlink);
+                spin_lock(&cifs_sb->tlink_tree_lock);
+        }
+        spin_unlock(&cifs_sb->tlink_tree_lock);
 
         tmp = cifs_sb->prepath;
         cifs_sb->prepathlen = 0;
@@ -3271,22 +3257,10 @@ out:
         return tcon;
 }
 
-static struct tcon_link *
+static inline struct tcon_link *
 cifs_sb_master_tlink(struct cifs_sb_info *cifs_sb)
 {
-        struct tcon_link *tlink;
-        unsigned int ret;
-
-        spin_lock(&cifs_sb->tlink_tree_lock);
-        ret = radix_tree_gang_lookup_tag(&cifs_sb->tlink_tree, (void **)&tlink,
-                                        0, 1, CIFS_TLINK_MASTER_TAG);
-        spin_unlock(&cifs_sb->tlink_tree_lock);
-
-        /* the master tcon should always be present */
-        if (ret == 0)
-                BUG();
-
-        return tlink;
+        return cifs_sb->master_tlink;
 }
 
 struct cifsTconInfo *
@@ -3302,6 +3276,47 @@ cifs_sb_tcon_pending_wait(void *unused)
         return signal_pending(current) ? -ERESTARTSYS : 0;
 }
 
+/* find and return a tlink with given uid */
+static struct tcon_link *
+tlink_rb_search(struct rb_root *root, uid_t uid)
+{
+        struct rb_node *node = root->rb_node;
+        struct tcon_link *tlink;
+
+        while (node) {
+                tlink = rb_entry(node, struct tcon_link, tl_rbnode);
+
+                if (tlink->tl_uid > uid)
+                        node = node->rb_left;
+                else if (tlink->tl_uid < uid)
+                        node = node->rb_right;
+                else
+                        return tlink;
+        }
+        return NULL;
+}
+
+/* insert a tcon_link into the tree */
+static void
+tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink)
+{
+        struct rb_node **new = &(root->rb_node), *parent = NULL;
+        struct tcon_link *tlink;
+
+        while (*new) {
+                tlink = rb_entry(*new, struct tcon_link, tl_rbnode);
+                parent = *new;
+
+                if (tlink->tl_uid > new_tlink->tl_uid)
+                        new = &((*new)->rb_left);
+                else
+                        new = &((*new)->rb_right);
+        }
+
+        rb_link_node(&new_tlink->tl_rbnode, parent, new);
+        rb_insert_color(&new_tlink->tl_rbnode, root);
+}
+
 /*
  * Find or construct an appropriate tcon given a cifs_sb and the fsuid of the
  * current task.
@@ -3309,7 +3324,7 @@ cifs_sb_tcon_pending_wait(void *unused)
  * If the superblock doesn't refer to a multiuser mount, then just return
  * the master tcon for the mount.
  *
- * First, search the radix tree for an existing tcon for this fsuid. If one
+ * First, search the rbtree for an existing tcon for this fsuid. If one
  * exists, then check to see if it's pending construction. If it is then wait
  * for construction to complete. Once it's no longer pending, check to see if
  * it failed and either return an error or retry construction, depending on
@@ -3322,14 +3337,14 @@ struct tcon_link *
 cifs_sb_tlink(struct cifs_sb_info *cifs_sb)
 {
         int ret;
-        unsigned long fsuid = (unsigned long) current_fsuid();
+        uid_t fsuid = current_fsuid();
         struct tcon_link *tlink, *newtlink;
 
         if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER))
                 return cifs_get_tlink(cifs_sb_master_tlink(cifs_sb));
 
         spin_lock(&cifs_sb->tlink_tree_lock);
-        tlink = radix_tree_lookup(&cifs_sb->tlink_tree, fsuid);
+        tlink = tlink_rb_search(&cifs_sb->tlink_tree, fsuid);
         if (tlink)
                 cifs_get_tlink(tlink);
         spin_unlock(&cifs_sb->tlink_tree_lock);
@@ -3338,36 +3353,24 @@ cifs_sb_tlink(struct cifs_sb_info *cifs_sb)
                 newtlink = kzalloc(sizeof(*tlink), GFP_KERNEL);
                 if (newtlink == NULL)
                         return ERR_PTR(-ENOMEM);
-                newtlink->tl_index = fsuid;
+                newtlink->tl_uid = fsuid;
                 newtlink->tl_tcon = ERR_PTR(-EACCES);
                 set_bit(TCON_LINK_PENDING, &newtlink->tl_flags);
                 set_bit(TCON_LINK_IN_TREE, &newtlink->tl_flags);
                 cifs_get_tlink(newtlink);
 
-                ret = radix_tree_preload(GFP_KERNEL);
-                if (ret != 0) {
-                        kfree(newtlink);
-                        return ERR_PTR(ret);
-                }
-
                 spin_lock(&cifs_sb->tlink_tree_lock);
                 /* was one inserted after previous search? */
-                tlink = radix_tree_lookup(&cifs_sb->tlink_tree, fsuid);
+                tlink = tlink_rb_search(&cifs_sb->tlink_tree, fsuid);
                 if (tlink) {
                         cifs_get_tlink(tlink);
                         spin_unlock(&cifs_sb->tlink_tree_lock);
-                        radix_tree_preload_end();
                         kfree(newtlink);
                         goto wait_for_construction;
                 }
-                ret = radix_tree_insert(&cifs_sb->tlink_tree, fsuid, newtlink);
-                spin_unlock(&cifs_sb->tlink_tree_lock);
-                radix_tree_preload_end();
-                if (ret) {
-                        kfree(newtlink);
-                        return ERR_PTR(ret);
-                }
                 tlink = newtlink;
+                tlink_rb_insert(&cifs_sb->tlink_tree, tlink);
+                spin_unlock(&cifs_sb->tlink_tree_lock);
         } else {
 wait_for_construction:
                 ret = wait_on_bit(&tlink->tl_flags, TCON_LINK_PENDING,
@@ -3413,39 +3416,39 @@ cifs_prune_tlinks(struct work_struct *work)
 {
         struct cifs_sb_info *cifs_sb = container_of(work, struct cifs_sb_info,
                                                     prune_tlinks.work);
-        struct tcon_link *tlink[8];
-        unsigned long now = jiffies;
-        unsigned long index = 0;
-        int i, ret;
+        struct rb_root *root = &cifs_sb->tlink_tree;
+        struct rb_node *node = rb_first(root);
+        struct rb_node *tmp;
+        struct tcon_link *tlink;
 
-        do {
-                spin_lock(&cifs_sb->tlink_tree_lock);
-                ret = radix_tree_gang_lookup(&cifs_sb->tlink_tree,
-                                             (void **)tlink, index,
-                                             ARRAY_SIZE(tlink));
-                /* increment index for next pass */
-                if (ret > 0)
-                        index = tlink[ret - 1]->tl_index + 1;
-                for (i = 0; i < ret; i++) {
-                        if (test_bit(TCON_LINK_MASTER, &tlink[i]->tl_flags) ||
-                            atomic_read(&tlink[i]->tl_count) != 0 ||
-                            time_after(tlink[i]->tl_time + TLINK_IDLE_EXPIRE,
-                                       now)) {
-                                tlink[i] = NULL;
-                                continue;
-                        }
-                        cifs_get_tlink(tlink[i]);
-                        clear_bit(TCON_LINK_IN_TREE, &tlink[i]->tl_flags);
-                        radix_tree_delete(&cifs_sb->tlink_tree,
-                                          tlink[i]->tl_index);
-                }
-                spin_unlock(&cifs_sb->tlink_tree_lock);
+        /*
+         * Because we drop the spinlock in the loop in order to put the tlink
+         * it's not guarded against removal of links from the tree. The only
+         * places that remove entries from the tree are this function and
+         * umounts. Because this function is non-reentrant and is canceled
+         * before umount can proceed, this is safe.
+         */
+        spin_lock(&cifs_sb->tlink_tree_lock);
+        node = rb_first(root);
+        while (node != NULL) {
+                tmp = node;
+                node = rb_next(tmp);
+                tlink = rb_entry(tmp, struct tcon_link, tl_rbnode);
+
+                if (test_bit(TCON_LINK_MASTER, &tlink->tl_flags) ||
+                    atomic_read(&tlink->tl_count) != 0 ||
+                    time_after(tlink->tl_time + TLINK_IDLE_EXPIRE, jiffies))
+                        continue;
 
-                for (i = 0; i < ret; i++) {
-                        if (tlink[i] != NULL)
-                                cifs_put_tlink(tlink[i]);
-                }
-        } while (ret != 0);
+                cifs_get_tlink(tlink);
+                clear_bit(TCON_LINK_IN_TREE, &tlink->tl_flags);
+                rb_erase(tmp, root);
+
+                spin_unlock(&cifs_sb->tlink_tree_lock);
+                cifs_put_tlink(tlink);
+                spin_lock(&cifs_sb->tlink_tree_lock);
+        }
+        spin_unlock(&cifs_sb->tlink_tree_lock);
 
         queue_delayed_work(system_nrt_wq, &cifs_sb->prune_tlinks,
                                 TLINK_IDLE_EXPIRE);
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ae82159cf7fa..06c3e83fa387 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -146,12 +146,7 @@ client_can_cache:
                 rc = cifs_get_inode_info(&inode, full_path, buf, inode->i_sb,
                                          xid, NULL);
 
-        if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
-                pCifsInode->clientCanCacheAll = true;
-                pCifsInode->clientCanCacheRead = true;
-                cFYI(1, "Exclusive Oplock granted on inode %p", inode);
-        } else if ((oplock & 0xF) == OPLOCK_READ)
-                pCifsInode->clientCanCacheRead = true;
+        cifs_set_oplock_level(pCifsInode, oplock);
 
         return rc;
 }
@@ -253,12 +248,7 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file,
                 list_add_tail(&pCifsFile->flist, &pCifsInode->openFileList);
         spin_unlock(&cifs_file_list_lock);
 
-        if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
-                pCifsInode->clientCanCacheAll = true;
-                pCifsInode->clientCanCacheRead = true;
-                cFYI(1, "Exclusive Oplock inode %p", inode);
-        } else if ((oplock & 0xF) == OPLOCK_READ)
-                pCifsInode->clientCanCacheRead = true;
+        cifs_set_oplock_level(pCifsInode, oplock);
 
         file->private_data = pCifsFile;
         return pCifsFile;
@@ -271,8 +261,9 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file,
  */
 void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
 {
+        struct inode *inode = cifs_file->dentry->d_inode;
         struct cifsTconInfo *tcon = tlink_tcon(cifs_file->tlink);
-        struct cifsInodeInfo *cifsi = CIFS_I(cifs_file->dentry->d_inode);
+        struct cifsInodeInfo *cifsi = CIFS_I(inode);
         struct cifsLockInfo *li, *tmp;
 
         spin_lock(&cifs_file_list_lock);
@@ -288,8 +279,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
         if (list_empty(&cifsi->openFileList)) {
                 cFYI(1, "closing last open instance for inode %p",
                         cifs_file->dentry->d_inode);
-                cifsi->clientCanCacheRead = false;
-                cifsi->clientCanCacheAll  = false;
+                cifs_set_oplock_level(cifsi, 0);
         }
         spin_unlock(&cifs_file_list_lock);
 
@@ -607,8 +597,6 @@ reopen_success:
                 rc = filemap_write_and_wait(inode->i_mapping);
                 mapping_set_error(inode->i_mapping, rc);
 
-                pCifsInode->clientCanCacheAll = false;
-                pCifsInode->clientCanCacheRead = false;
                 if (tcon->unix_ext)
                         rc = cifs_get_inode_info_unix(&inode,
                                 full_path, inode->i_sb, xid);
@@ -622,18 +610,9 @@ reopen_success:
              invalidate the current end of file on the server
              we can not go to the server to get the new inod
              info */
-        if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
-                pCifsInode->clientCanCacheAll = true;
-                pCifsInode->clientCanCacheRead = true;
-                cFYI(1, "Exclusive Oplock granted on inode %p",
-                         pCifsFile->dentry->d_inode);
-        } else if ((oplock & 0xF) == OPLOCK_READ) {
-                pCifsInode->clientCanCacheRead = true;
-                pCifsInode->clientCanCacheAll = false;
-        } else {
-                pCifsInode->clientCanCacheRead = false;
-                pCifsInode->clientCanCacheAll = false;
-        }
+
+        cifs_set_oplock_level(pCifsInode, oplock);
+
         cifs_relock_file(pCifsFile);
 
 reopen_error_exit:
@@ -775,12 +754,6 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
 
         cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
         tcon = tlink_tcon(((struct cifsFileInfo *)file->private_data)->tlink);
-
-        if (file->private_data == NULL) {
-                rc = -EBADF;
-                FreeXid(xid);
-                return rc;
-        }
         netfid = ((struct cifsFileInfo *)file->private_data)->netfid;
 
         if ((tcon->ses->capabilities & CAP_UNIX) &&
@@ -956,6 +929,7 @@ cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset,
 ssize_t cifs_user_write(struct file *file, const char __user *write_data,
         size_t write_size, loff_t *poffset)
 {
+        struct inode *inode = file->f_path.dentry->d_inode;
         int rc = 0;
         unsigned int bytes_written = 0;
         unsigned int total_written;
@@ -963,7 +937,7 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data,
         struct cifsTconInfo *pTcon;
         int xid, long_op;
         struct cifsFileInfo *open_file;
-        struct cifsInodeInfo *cifsi = CIFS_I(file->f_path.dentry->d_inode);
+        struct cifsInodeInfo *cifsi = CIFS_I(inode);
 
         cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
 
@@ -1029,21 +1003,17 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data,
 
         cifs_stats_bytes_written(pTcon, total_written);
 
-        /* since the write may have blocked check these pointers again */
-        if ((file->f_path.dentry) && (file->f_path.dentry->d_inode)) {
-                struct inode *inode = file->f_path.dentry->d_inode;
 /* Do not update local mtime - server will set its actual value on write
- *              inode->i_ctime = inode->i_mtime =
- *                      current_fs_time(inode->i_sb);*/
-                if (total_written > 0) {
-                        spin_lock(&inode->i_lock);
-                        if (*poffset > file->f_path.dentry->d_inode->i_size)
-                                i_size_write(file->f_path.dentry->d_inode,
-                                        *poffset);
-                        spin_unlock(&inode->i_lock);
-                }
-                mark_inode_dirty_sync(file->f_path.dentry->d_inode);
+ *      inode->i_ctime = inode->i_mtime =
+ *              current_fs_time(inode->i_sb);*/
+        if (total_written > 0) {
+                spin_lock(&inode->i_lock);
+                if (*poffset > inode->i_size)
+                        i_size_write(inode, *poffset);
+                spin_unlock(&inode->i_lock);
         }
+        mark_inode_dirty_sync(inode);
+
         FreeXid(xid);
         return total_written;
 }
@@ -1178,7 +1148,7 @@ struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
                                         bool fsuid_only)
 {
         struct cifsFileInfo *open_file;
-        struct cifs_sb_info *cifs_sb = CIFS_SB(cifs_inode->vfs_inode.i_sb);
+        struct cifs_sb_info *cifs_sb;
         bool any_available = false;
         int rc;
 
@@ -1192,6 +1162,8 @@ struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
                 return NULL;
         }
 
+        cifs_sb = CIFS_SB(cifs_inode->vfs_inode.i_sb);
+
         /* only filter by fsuid on multiuser mounts */
         if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MULTIUSER))
                 fsuid_only = false;
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 39869c3c3efb..ef3a55bf86b6 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2177,7 +2177,6 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
 
         setattr_copy(inode, attrs);
         mark_inode_dirty(inode);
-        return 0;
 
 cifs_setattr_exit:
         kfree(full_path);
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index 077bf756f342..0c98672d0122 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -38,10 +38,10 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
         struct cifs_sb_info *cifs_sb;
 #ifdef CONFIG_CIFS_POSIX
         struct cifsFileInfo *pSMBFile = filep->private_data;
-        struct cifsTconInfo *tcon = tlink_tcon(pSMBFile->tlink);
+        struct cifsTconInfo *tcon;
         __u64   ExtAttrBits = 0;
         __u64   ExtAttrMask = 0;
-        __u64   caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
+        __u64   caps;
 #endif /* CONFIG_CIFS_POSIX */
 
         xid = GetXid();
@@ -62,9 +62,11 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
                         break;
 #ifdef CONFIG_CIFS_POSIX
                 case FS_IOC_GETFLAGS:
+                        if (pSMBFile == NULL)
+                                break;
+                        tcon = tlink_tcon(pSMBFile->tlink);
+                        caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
                         if (CIFS_UNIX_EXTATTR_CAP & caps) {
-                                if (pSMBFile == NULL)
-                                        break;
                                 rc = CIFSGetExtAttr(xid, tcon, pSMBFile->netfid,
                                         &ExtAttrBits, &ExtAttrMask);
                                 if (rc == 0)
@@ -75,13 +77,15 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
                         break;
 
                 case FS_IOC_SETFLAGS:
+                        if (pSMBFile == NULL)
+                                break;
+                        tcon = tlink_tcon(pSMBFile->tlink);
+                        caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
                         if (CIFS_UNIX_EXTATTR_CAP & caps) {
                                 if (get_user(ExtAttrBits, (int __user *)arg)) {
                                         rc = -EFAULT;
                                         break;
                                 }
-                                if (pSMBFile == NULL)
-                                        break;
                                 /* rc= CIFSGetExtAttr(xid,tcon,pSMBFile->netfid,
                                         extAttrBits, &ExtAttrMask);*/
                         }
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index c4e296fe3518..43f10281bc19 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -569,10 +569,9 @@ is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv)
 
                                 cFYI(1, "file id match, oplock break");
                                 pCifsInode = CIFS_I(netfile->dentry->d_inode);
-                                pCifsInode->clientCanCacheAll = false;
-                                if (pSMB->OplockLevel == 0)
-                                        pCifsInode->clientCanCacheRead = false;
 
+                                cifs_set_oplock_level(pCifsInode,
+                                                      pSMB->OplockLevel);
                                 /*
                                  * cifs_oplock_break_put() can't be called
                                  * from here.  Get reference after queueing
@@ -722,3 +721,23 @@ cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb)
                            cifs_sb_master_tcon(cifs_sb)->treeName);
         }
 }
+
+void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
+{
+        oplock &= 0xF;
+
+        if (oplock == OPLOCK_EXCLUSIVE) {
+                cinode->clientCanCacheAll = true;
+                cinode->clientCanCacheRead = true;
+                cFYI(1, "Exclusive Oplock granted on inode %p",
+                     &cinode->vfs_inode);
+        } else if (oplock == OPLOCK_READ) {
+                cinode->clientCanCacheAll = false;
+                cinode->clientCanCacheRead = true;
+                cFYI(1, "Level II Oplock granted on inode %p",
+                    &cinode->vfs_inode);
+        } else {
+                cinode->clientCanCacheAll = false;
+                cinode->clientCanCacheRead = false;
+        }
+}
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 8b5dd6369f82..6a5edea2d70b 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -177,7 +177,7 @@ struct mpage_da_data {
 
 struct ext4_io_page {
         struct page     *p_page;
-        int             p_count;
+        atomic_t        p_count;
 };
 
 #define MAX_IO_PAGES 128
@@ -858,6 +858,7 @@ struct ext4_inode_info {
         spinlock_t i_completed_io_lock;
         /* current io_end structure for async DIO write*/
         ext4_io_end_t *cur_aio_dio;
+        atomic_t i_ioend_count; /* Number of outstanding io_end structs */
 
         /*
          * Transactions that contain inode's metadata needed to complete
@@ -2060,6 +2061,7 @@ extern int ext4_move_extents(struct file *o_filp, struct file *d_filp,
 /* page-io.c */
 extern int __init ext4_init_pageio(void);
 extern void ext4_exit_pageio(void);
+extern void ext4_ioend_wait(struct inode *);
 extern void ext4_free_io_end(ext4_io_end_t *io);
 extern ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags);
 extern int ext4_end_io_nolock(ext4_io_end_t *io);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 191616470466..bdbe69902207 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -53,6 +53,7 @@
 static inline int ext4_begin_ordered_truncate(struct inode *inode,
                                               loff_t new_size)
 {
+        trace_ext4_begin_ordered_truncate(inode, new_size);
         return jbd2_journal_begin_ordered_truncate(
                                         EXT4_SB(inode->i_sb)->s_journal,
                                         &EXT4_I(inode)->jinode,
@@ -178,6 +179,7 @@ void ext4_evict_inode(struct inode *inode)
         handle_t *handle;
         int err;
 
+        trace_ext4_evict_inode(inode);
         if (inode->i_nlink) {
                 truncate_inode_pages(&inode->i_data, 0);
                 goto no_delete;
@@ -5410,9 +5412,7 @@ int ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
          * will return the blocks that include the delayed allocation
          * blocks for this file.
          */
-        spin_lock(&EXT4_I(inode)->i_block_reservation_lock);
         delalloc_blocks = EXT4_I(inode)->i_reserved_data_blocks;
-        spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
 
         stat->blocks += (delalloc_blocks << inode->i_sb->s_blocksize_bits)>>9;
         return 0;
@@ -5649,6 +5649,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
         int err, ret;
 
         might_sleep();
+        trace_ext4_mark_inode_dirty(inode, _RET_IP_);
         err = ext4_reserve_inode_write(handle, inode, &iloc);
         if (ext4_handle_valid(handle) &&
             EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize &&
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index c58eba34724a..5b4d4e3a4d58 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -4640,8 +4640,6 @@ do_more:
                  * with group lock held. generate_buddy look at
                  * them with group lock_held
                  */
-                if (test_opt(sb, DISCARD))
-                        ext4_issue_discard(sb, block_group, bit, count);
                 ext4_lock_group(sb, block_group);
                 mb_clear_bits(bitmap_bh->b_data, bit, count);
                 mb_free_blocks(inode, &e4b, bit, count);
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 46a7d6a9d976..7f5451cd1d38 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -32,8 +32,14 @@
 
 static struct kmem_cache *io_page_cachep, *io_end_cachep;
 
+#define WQ_HASH_SZ              37
+#define to_ioend_wq(v)  (&ioend_wq[((unsigned long)v) % WQ_HASH_SZ])
+static wait_queue_head_t ioend_wq[WQ_HASH_SZ];
+
 int __init ext4_init_pageio(void)
 {
+        int i;
+
         io_page_cachep = KMEM_CACHE(ext4_io_page, SLAB_RECLAIM_ACCOUNT);
         if (io_page_cachep == NULL)
                 return -ENOMEM;
@@ -42,6 +48,8 @@ int __init ext4_init_pageio(void)
                 kmem_cache_destroy(io_page_cachep);
                 return -ENOMEM;
         }
+        for (i = 0; i < WQ_HASH_SZ; i++)
+                init_waitqueue_head(&ioend_wq[i]);
 
         return 0;
 }
@@ -52,24 +60,37 @@ void ext4_exit_pageio(void)
         kmem_cache_destroy(io_page_cachep);
 }
 
+void ext4_ioend_wait(struct inode *inode)
+{
+        wait_queue_head_t *wq = to_ioend_wq(inode);
+
+        wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_ioend_count) == 0));
+}
+
+static void put_io_page(struct ext4_io_page *io_page)
+{
+        if (atomic_dec_and_test(&io_page->p_count)) {
+                end_page_writeback(io_page->p_page);
+                put_page(io_page->p_page);
+                kmem_cache_free(io_page_cachep, io_page);
+        }
+}
+
 void ext4_free_io_end(ext4_io_end_t *io)
 {
         int i;
+        wait_queue_head_t *wq;
 
         BUG_ON(!io);
         if (io->page)
                 put_page(io->page);
-        for (i = 0; i < io->num_io_pages; i++) {
-                if (--io->pages[i]->p_count == 0) {
-                        struct page *page = io->pages[i]->p_page;
-
-                        end_page_writeback(page);
-                        put_page(page);
-                        kmem_cache_free(io_page_cachep, io->pages[i]);
-                }
-        }
+        for (i = 0; i < io->num_io_pages; i++)
+                put_io_page(io->pages[i]);
         io->num_io_pages = 0;
-        iput(io->inode);
+        wq = to_ioend_wq(io->inode);
+        if (atomic_dec_and_test(&EXT4_I(io->inode)->i_ioend_count) &&
+            waitqueue_active(wq))
+                wake_up_all(wq);
         kmem_cache_free(io_end_cachep, io);
 }
 
@@ -142,8 +163,8 @@ ext4_io_end_t *ext4_init_io_end(struct inode *inode, gfp_t flags)
         io = kmem_cache_alloc(io_end_cachep, flags);
         if (io) {
                 memset(io, 0, sizeof(*io));
-                io->inode = igrab(inode);
-                BUG_ON(!io->inode);
+                atomic_inc(&EXT4_I(inode)->i_ioend_count);
+                io->inode = inode;
                 INIT_WORK(&io->work, ext4_end_io_work);
                 INIT_LIST_HEAD(&io->list);
         }
@@ -171,35 +192,15 @@ static void ext4_end_bio(struct bio *bio, int error)
         struct workqueue_struct *wq;
         struct inode *inode;
         unsigned long flags;
-        ext4_fsblk_t err_block;
         int i;
 
         BUG_ON(!io_end);
-        inode = io_end->inode;
         bio->bi_private = NULL;
         bio->bi_end_io = NULL;
         if (test_bit(BIO_UPTODATE, &bio->bi_flags))
                 error = 0;
-        err_block = bio->bi_sector >> (inode->i_blkbits - 9);
         bio_put(bio);
 
-        if (!(inode->i_sb->s_flags & MS_ACTIVE)) {
-                pr_err("sb umounted, discard end_io request for inode %lu\n",
-                        io_end->inode->i_ino);
-                ext4_free_io_end(io_end);
-                return;
-        }
-
-        if (error) {
-                io_end->flag |= EXT4_IO_END_ERROR;
-                ext4_warning(inode->i_sb, "I/O error writing to inode %lu "
-                             "(offset %llu size %ld starting block %llu)",
-                             inode->i_ino,
-                             (unsigned long long) io_end->offset,
-                             (long) io_end->size,
-                             (unsigned long long) err_block);
-        }
-
         for (i = 0; i < io_end->num_io_pages; i++) {
                 struct page *page = io_end->pages[i]->p_page;
                 struct buffer_head *bh, *head;
@@ -236,13 +237,7 @@ static void ext4_end_bio(struct bio *bio, int error)
                         } while (bh != head);
                 }
 
-                if (--io_end->pages[i]->p_count == 0) {
-                        struct page *page = io_end->pages[i]->p_page;
-
-                        end_page_writeback(page);
-                        put_page(page);
-                        kmem_cache_free(io_page_cachep, io_end->pages[i]);
-                }
+                put_io_page(io_end->pages[i]);
 
                 /*
                  * If this is a partial write which happened to make
@@ -254,8 +249,19 @@ static void ext4_end_bio(struct bio *bio, int error)
                 if (!partial_write)
                         SetPageUptodate(page);
         }
-
         io_end->num_io_pages = 0;
+        inode = io_end->inode;
+
+        if (error) {
+                io_end->flag |= EXT4_IO_END_ERROR;
+                ext4_warning(inode->i_sb, "I/O error writing to inode %lu "
+                             "(offset %llu size %ld starting block %llu)",
+                             inode->i_ino,
+                             (unsigned long long) io_end->offset,
+                             (long) io_end->size,
+                             (unsigned long long)
+                             bio->bi_sector >> (inode->i_blkbits - 9));
+        }
 
         /* Add the io_end to per-inode completed io list*/
         spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags);
@@ -305,7 +311,6 @@ static int io_submit_init(struct ext4_io_submit *io,
         bio->bi_private = io->io_end = io_end;
         bio->bi_end_io = ext4_end_bio;
 
-        io_end->inode = inode;
         io_end->offset = (page->index << PAGE_CACHE_SHIFT) + bh_offset(bh);
 
         io->io_bio = bio;
@@ -360,7 +365,7 @@ submit_and_retry:
         if ((io_end->num_io_pages == 0) ||
             (io_end->pages[io_end->num_io_pages-1] != io_page)) {
                 io_end->pages[io_end->num_io_pages++] = io_page;
-                io_page->p_count++;
+                atomic_inc(&io_page->p_count);
         }
         return 0;
 }
@@ -389,7 +394,7 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
                 return -ENOMEM;
         }
         io_page->p_page = page;
-        io_page->p_count = 0;
+        atomic_set(&io_page->p_count, 1);
         get_page(page);
 
         for (bh = head = page_buffers(page), block_start = 0;
@@ -421,10 +426,6 @@ int ext4_bio_write_page(struct ext4_io_submit *io,
          * PageWriteback bit from the page to prevent the system from
          * wedging later on.
          */
-        if (io_page->p_count == 0) {
-                put_page(page);
-                end_page_writeback(page);
-                kmem_cache_free(io_page_cachep, io_page);
-        }
+        put_io_page(io_page);
         return ret;
 }
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 40131b777af6..61182fe6254e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -828,12 +828,22 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
         ei->cur_aio_dio = NULL;
         ei->i_sync_tid = 0;
         ei->i_datasync_tid = 0;
+        atomic_set(&ei->i_ioend_count, 0);
 
         return &ei->vfs_inode;
 }
 
+static int ext4_drop_inode(struct inode *inode)
+{
+        int drop = generic_drop_inode(inode);
+
+        trace_ext4_drop_inode(inode, drop);
+        return drop;
+}
+
 static void ext4_destroy_inode(struct inode *inode)
 {
+        ext4_ioend_wait(inode);
         if (!list_empty(&(EXT4_I(inode)->i_orphan))) {
                 ext4_msg(inode->i_sb, KERN_ERR,
                          "Inode %lu (%p): orphan list check failed!",
@@ -1173,6 +1183,7 @@ static const struct super_operations ext4_sops = {
         .destroy_inode  = ext4_destroy_inode,
         .write_inode    = ext4_write_inode,
         .dirty_inode    = ext4_dirty_inode,
+        .drop_inode     = ext4_drop_inode,
         .evict_inode    = ext4_evict_inode,
         .put_super      = ext4_put_super,
         .sync_fs        = ext4_sync_fs,
@@ -1194,6 +1205,7 @@ static const struct super_operations ext4_nojournal_sops = {
         .destroy_inode  = ext4_destroy_inode,
         .write_inode    = ext4_write_inode,
         .dirty_inode    = ext4_dirty_inode,
+        .drop_inode     = ext4_drop_inode,
         .evict_inode    = ext4_evict_inode,
         .write_super    = ext4_write_super,
         .put_super      = ext4_put_super,
@@ -2699,7 +2711,6 @@ static int ext4_lazyinit_thread(void *arg)
         struct ext4_li_request *elr;
         unsigned long next_wakeup;
         DEFINE_WAIT(wait);
-        int ret;
 
         BUG_ON(NULL == eli);
 
@@ -2723,13 +2734,12 @@ cont_thread:
                         elr = list_entry(pos, struct ext4_li_request,
                                          lr_request);
 
-                        if (time_after_eq(jiffies, elr->lr_next_sched))
-                                ret = ext4_run_li_request(elr);
-
-                        if (ret) {
-                                ret = 0;
-                                ext4_remove_li_request(elr);
-                                continue;
+                        if (time_after_eq(jiffies, elr->lr_next_sched)) {
+                                if (ext4_run_li_request(elr) != 0) {
+                                        /* error, remove the lazy_init job */
+                                        ext4_remove_li_request(elr);
+                                        continue;
+                                }
                         }
 
                         if (time_before(elr->lr_next_sched, next_wakeup))
@@ -2740,7 +2750,8 @@ cont_thread:
                 if (freezing(current))
                         refrigerator();
 
-                if (time_after_eq(jiffies, next_wakeup)) {
+                if ((time_after_eq(jiffies, next_wakeup)) ||
+                    (MAX_JIFFY_OFFSET == next_wakeup)) {
                         cond_resched();
                         continue;
                 }
@@ -3348,6 +3359,24 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
         get_random_bytes(&sbi->s_next_generation, sizeof(u32));
         spin_lock_init(&sbi->s_next_gen_lock);
 
+        err = percpu_counter_init(&sbi->s_freeblocks_counter,
+                        ext4_count_free_blocks(sb));
+        if (!err) {
+                err = percpu_counter_init(&sbi->s_freeinodes_counter,
+                                ext4_count_free_inodes(sb));
+        }
+        if (!err) {
+                err = percpu_counter_init(&sbi->s_dirs_counter,
+                                ext4_count_dirs(sb));
+        }
+        if (!err) {
+                err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0);
+        }
+        if (err) {
+                ext4_msg(sb, KERN_ERR, "insufficient memory");
+                goto failed_mount3;
+        }
+
         sbi->s_stripe = ext4_get_stripe_size(sbi);
         sbi->s_max_writeback_mb_bump = 128;
 
@@ -3446,22 +3475,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
         }
         set_task_ioprio(sbi->s_journal->j_task, journal_ioprio);
 
-no_journal:
-        err = percpu_counter_init(&sbi->s_freeblocks_counter,
-                                  ext4_count_free_blocks(sb));
-        if (!err)
-                err = percpu_counter_init(&sbi->s_freeinodes_counter,
-                                          ext4_count_free_inodes(sb));
-        if (!err)
-                err = percpu_counter_init(&sbi->s_dirs_counter,
-                                          ext4_count_dirs(sb));
-        if (!err)
-                err = percpu_counter_init(&sbi->s_dirtyblocks_counter, 0);
-        if (err) {
-                ext4_msg(sb, KERN_ERR, "insufficient memory");
-                goto failed_mount_wq;
-        }
+        /*
+         * The journal may have updated the bg summary counts, so we
+         * need to update the global counters.
+         */
+        percpu_counter_set(&sbi->s_freeblocks_counter,
+                           ext4_count_free_blocks(sb));
+        percpu_counter_set(&sbi->s_freeinodes_counter,
+                           ext4_count_free_inodes(sb));
+        percpu_counter_set(&sbi->s_dirs_counter,
+                           ext4_count_dirs(sb));
+        percpu_counter_set(&sbi->s_dirtyblocks_counter, 0);
 
+no_journal:
         EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten");
         if (!EXT4_SB(sb)->dio_unwritten_wq) {
                 printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n");
@@ -3611,10 +3637,6 @@ failed_mount_wq:
                 jbd2_journal_destroy(sbi->s_journal);
                 sbi->s_journal = NULL;
         }
-        percpu_counter_destroy(&sbi->s_freeblocks_counter);
-        percpu_counter_destroy(&sbi->s_freeinodes_counter);
-        percpu_counter_destroy(&sbi->s_dirs_counter);
-        percpu_counter_destroy(&sbi->s_dirtyblocks_counter);
 failed_mount3:
         if (sbi->s_flex_groups) {
                 if (is_vmalloc_addr(sbi->s_flex_groups))
@@ -3622,6 +3644,10 @@ failed_mount3:
                 else
                         kfree(sbi->s_flex_groups);
         }
+        percpu_counter_destroy(&sbi->s_freeblocks_counter);
+        percpu_counter_destroy(&sbi->s_freeinodes_counter);
+        percpu_counter_destroy(&sbi->s_dirs_counter);
+        percpu_counter_destroy(&sbi->s_dirtyblocks_counter);
 failed_mount2:
         for (i = 0; i < db_count; i++)
                 brelse(sbi->s_group_desc[i]);
@@ -3949,13 +3975,11 @@ static int ext4_commit_super(struct super_block *sb, int sync)
         else
                 es->s_kbytes_written =
                         cpu_to_le64(EXT4_SB(sb)->s_kbytes_written);
-        if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeblocks_counter))
-                ext4_free_blocks_count_set(es, percpu_counter_sum_positive(
-                                        &EXT4_SB(sb)->s_freeblocks_counter));
-        if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeinodes_counter))
-                es->s_free_inodes_count =
-                        cpu_to_le32(percpu_counter_sum_positive(
-                                        &EXT4_SB(sb)->s_freeinodes_counter));
+        ext4_free_blocks_count_set(es, percpu_counter_sum_positive(
+                                           &EXT4_SB(sb)->s_freeblocks_counter));
+        es->s_free_inodes_count =
+                cpu_to_le32(percpu_counter_sum_positive(
+                                &EXT4_SB(sb)->s_freeinodes_counter));
         sb->s_dirt = 0;
         BUFFER_TRACE(sbh, "marking dirty");
         mark_buffer_dirty(sbh);
@@ -4556,12 +4580,10 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
 
 static int ext4_quota_off(struct super_block *sb, int type)
 {
-        /* Force all delayed allocation blocks to be allocated */
-        if (test_opt(sb, DELALLOC)) {
-                down_read(&sb->s_umount);
+        /* Force all delayed allocation blocks to be allocated.
+         * Caller already holds s_umount sem */
+        if (test_opt(sb, DELALLOC))
                 sync_filesystem(sb);
-                up_read(&sb->s_umount);
-        }
 
         return dquot_quota_off(sb, type);
 }
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index d6cfac1f0a40..a5fe68189eed 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -932,8 +932,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag,
         if (creat_flags == HUGETLB_SHMFS_INODE && !can_do_hugetlb_shm()) {
                 *user = current_user();
                 if (user_shm_lock(size, *user)) {
-                        WARN_ONCE(1,
-                          "Using mlock ulimits for SHM_HUGETLB deprecated\n");
+                        printk_once(KERN_WARNING "Using mlock ulimits for SHM_HUGETLB is deprecated\n");
                 } else {
                         *user = NULL;
                         return ERR_PTR(-EPERM);
diff --git a/fs/ioprio.c b/fs/ioprio.c
index 748cfb92dcc6..2f7d05c89922 100644
--- a/fs/ioprio.c
+++ b/fs/ioprio.c
@@ -111,12 +111,14 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio)
         read_lock(&tasklist_lock);
         switch (which) {
                 case IOPRIO_WHO_PROCESS:
+                        rcu_read_lock();
                         if (!who)
                                 p = current;
                         else
                                 p = find_task_by_vpid(who);
                         if (p)
                                 ret = set_task_ioprio(p, ioprio);
+                        rcu_read_unlock();
                         break;
                 case IOPRIO_WHO_PGRP:
                         if (!who)
@@ -139,7 +141,12 @@ SYSCALL_DEFINE3(ioprio_set, int, which, int, who, int, ioprio)
                                 break;
 
                         do_each_thread(g, p) {
-                                if (__task_cred(p)->uid != who)
+                                int match;
+
+                                rcu_read_lock();
+                                match = __task_cred(p)->uid == who;
+                                rcu_read_unlock();
+                                if (!match)
                                         continue;
                                 ret = set_task_ioprio(p, ioprio);
                                 if (ret)
@@ -200,12 +207,14 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
         read_lock(&tasklist_lock);
         switch (which) {
                 case IOPRIO_WHO_PROCESS:
+                        rcu_read_lock();
                         if (!who)
                                 p = current;
                         else
                                 p = find_task_by_vpid(who);
                         if (p)
                                 ret = get_task_ioprio(p);
+                        rcu_read_unlock();
                         break;
                 case IOPRIO_WHO_PGRP:
                         if (!who)
@@ -232,7 +241,12 @@ SYSCALL_DEFINE2(ioprio_get, int, which, int, who)
                                 break;
 
                         do_each_thread(g, p) {
-                                if (__task_cred(p)->uid != user->uid)
+                                int match;
+
+                                rcu_read_lock();
+                                match = __task_cred(p)->uid == user->uid;
+                                rcu_read_unlock();
+                                if (!match)
                                         continue;
                                 tmpio = get_task_ioprio(p);
                                 if (tmpio < 0)
diff --git a/fs/locks.c b/fs/locks.c
index 65765cb6afed..0e62dd35d088 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1504,9 +1504,8 @@ static int do_fcntl_delete_lease(struct file *filp)
 
 static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg)
 {
-        struct file_lock *fl;
+        struct file_lock *fl, *ret;
         struct fasync_struct *new;
-        struct inode *inode = filp->f_path.dentry->d_inode;
         int error;
 
         fl = lease_alloc(filp, arg);
@@ -1518,13 +1517,16 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg)
                 locks_free_lock(fl);
                 return -ENOMEM;
         }
+        ret = fl;
         lock_flocks();
-        error = __vfs_setlease(filp, arg, &fl);
+        error = __vfs_setlease(filp, arg, &ret);
         if (error) {
                 unlock_flocks();
                 locks_free_lock(fl);
                 goto out_free_fasync;
         }
+        if (ret != fl)
+                locks_free_lock(fl);
 
         /*
          * fasync_insert_entry() returns the old entry if any.
@@ -1532,17 +1534,10 @@ static int do_fcntl_add_lease(unsigned int fd, struct file *filp, long arg)
          * inserted it into the fasync list. Clear new so that
          * we don't release it here.
          */
-        if (!fasync_insert_entry(fd, filp, &fl->fl_fasync, new))
+        if (!fasync_insert_entry(fd, filp, &ret->fl_fasync, new))
                 new = NULL;
 
-        if (error < 0) {
-                /* remove lease just inserted by setlease */
-                fl->fl_type = F_UNLCK | F_INPROGRESS;
-                fl->fl_break_time = jiffies - 10;
-                time_out_leases(inode);
-        } else {
-                error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0);
-        }
+        error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0);
         unlock_flocks();
 
 out_free_fasync:
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index cd51a36b37f0..57afd4a6fabb 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -486,7 +486,7 @@ static inline int logfs_get_sb_bdev(struct logfs_super *s,
 
 /* dev_mtd.c */
 #ifdef CONFIG_MTD
-int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr)
+int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr);
 #else
 static inline int logfs_get_sb_mtd(struct logfs_super *s, int mtdnr)
 {
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f1e5ec6b5105..ad2bfa68d534 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -673,16 +673,17 @@ static void nfsd4_hash_conn(struct nfsd4_conn *conn, struct nfsd4_session *ses)
         spin_unlock(&clp->cl_lock);
 }
 
-static void nfsd4_register_conn(struct nfsd4_conn *conn)
+static int nfsd4_register_conn(struct nfsd4_conn *conn)
 {
         conn->cn_xpt_user.callback = nfsd4_conn_lost;
-        register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);
+        return register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);
 }
 
 static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
 {
         struct nfsd4_conn *conn;
         u32 flags = NFS4_CDFC4_FORE;
+        int ret;
 
         if (ses->se_flags & SESSION4_BACK_CHAN)
                 flags |= NFS4_CDFC4_BACK;
@@ -690,7 +691,10 @@ static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
         if (!conn)
                 return nfserr_jukebox;
         nfsd4_hash_conn(conn, ses);
-        nfsd4_register_conn(conn);
+        ret = nfsd4_register_conn(conn);
+        if (ret)
+                /* oops; xprt is already down: */
+                nfsd4_conn_lost(&conn->cn_xpt_user);
         return nfs_ok;
 }
 
@@ -1644,6 +1648,7 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi
 {
         struct nfs4_client *clp = ses->se_client;
         struct nfsd4_conn *c;
+        int ret;
 
         spin_lock(&clp->cl_lock);
         c = __nfsd4_find_conn(new->cn_xprt, ses);
@@ -1654,7 +1659,10 @@ static void nfsd4_sequence_check_conn(struct nfsd4_conn *new, struct nfsd4_sessi
         }
         __nfsd4_hash_conn(new, ses);
         spin_unlock(&clp->cl_lock);
-        nfsd4_register_conn(new);
+        ret = nfsd4_register_conn(new);
+        if (ret)
+                /* oops; xprt is already down: */
+                nfsd4_conn_lost(&new->cn_xpt_user);
         return;
 }
 
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index ddb1f41376e5..911e61f348fc 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -418,7 +418,7 @@ out_no_root:
 static struct dentry *openprom_mount(struct file_system_type *fs_type,
         int flags, const char *dev_name, void *data)
 {
-        return mount_single(fs_type, flags, data, openprom_fill_super)
+        return mount_single(fs_type, flags, data, openprom_fill_super);
 }
 
 static struct file_system_type openprom_fs_type = {
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index c9af48fffcd7..7d287afccde5 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1111,11 +1111,12 @@ xfs_vm_writepage(
                         uptodate = 0;
 
                 /*
-                 * A hole may still be marked uptodate because discard_buffer
-                 * leaves the flag set.
+                 * set_page_dirty dirties all buffers in a page, independent
+                 * of their state.  The dirty state however is entirely
+                 * meaningless for holes (!mapped && uptodate), so skip
+                 * buffers covering holes here.
                  */
                 if (!buffer_mapped(bh) && buffer_uptodate(bh)) {
-                        ASSERT(!buffer_dirty(bh));
                         imap_valid = 0;
                         continue;
                 }
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 63fd2c07cb57..aa1d353def29 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1781,7 +1781,6 @@ xfs_buf_delwri_split(
         INIT_LIST_HEAD(list);
         spin_lock(dwlk);
         list_for_each_entry_safe(bp, n, dwq, b_list) {
-                trace_xfs_buf_delwri_split(bp, _RET_IP_);
                 ASSERT(bp->b_flags & XBF_DELWRI);
 
                 if (!XFS_BUF_ISPINNED(bp) && !xfs_buf_cond_lock(bp)) {
@@ -1795,6 +1794,7 @@ xfs_buf_delwri_split(
                                          _XBF_RUN_QUEUES);
                         bp->b_flags |= XBF_WRITE;
                         list_move_tail(&bp->b_list, list);
+                        trace_xfs_buf_delwri_split(bp, _RET_IP_);
                 } else
                         skipped++;
         }
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 2ea238f6d38e..ad442d9e392e 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -416,7 +416,7 @@ xfs_attrlist_by_handle(
         if (IS_ERR(dentry))
                 return PTR_ERR(dentry);
 
-        kbuf = kmalloc(al_hreq.buflen, GFP_KERNEL);
+        kbuf = kzalloc(al_hreq.buflen, GFP_KERNEL);
         if (!kbuf)
                 goto out_dput;
 
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 96107efc0c61..94d5fd6a2973 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -762,7 +762,8 @@ xfs_setup_inode(
         inode->i_state = I_NEW;
 
         inode_sb_list_add(inode);
-        insert_inode_hash(inode);
+        /* make the inode look hashed for the writeback code */
+        hlist_add_fake(&inode->i_hash);
 
         inode->i_mode   = ip->i_d.di_mode;
         inode->i_nlink  = ip->i_d.di_nlink;
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 9f3a78fe6ae4..064f964d4f3c 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -353,9 +353,6 @@ xfs_parseargs(
                         mp->m_qflags &= ~XFS_OQUOTA_ENFD;
                 } else if (!strcmp(this_char, MNTOPT_DELAYLOG)) {
                         mp->m_flags |= XFS_MOUNT_DELAYLOG;
-                        cmn_err(CE_WARN,
-                                "Enabling EXPERIMENTAL delayed logging feature "
-                                "- use at your own risk.\n");
                 } else if (!strcmp(this_char, MNTOPT_NODELAYLOG)) {
                         mp->m_flags &= ~XFS_MOUNT_DELAYLOG;
                 } else if (!strcmp(this_char, "ihashsize")) {
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 37d33254981d..afb0d7cfad1c 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -853,6 +853,7 @@ restart:
                 if (trylock) {
                         if (!mutex_trylock(&pag->pag_ici_reclaim_lock)) {
                                 skipped++;
+                                xfs_perag_put(pag);
                                 continue;
                         }
                         first_index = pag->pag_ici_reclaim_cursor;
diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c
index 9b715dce5699..9124425b7f2f 100644
--- a/fs/xfs/xfs_filestream.c
+++ b/fs/xfs/xfs_filestream.c
@@ -744,9 +744,15 @@ xfs_filestream_new_ag(
          * If the file's parent directory is known, take its iolock in exclusive
          * mode to prevent two sibling files from racing each other to migrate
          * themselves and their parent to different AGs.
+         *
+         * Note that we lock the parent directory iolock inside the child
+         * iolock here.  That's fine as we never hold both parent and child
+         * iolock in any other place.  This is different from the ilock,
+         * which requires locking of the child after the parent for namespace
+         * operations.
          */
         if (pip)
-                xfs_ilock(pip, XFS_IOLOCK_EXCL);
+                xfs_ilock(pip, XFS_IOLOCK_EXCL | XFS_IOLOCK_PARENT);
 
         /*
          * A new AG needs to be found for the file.  If the file's parent
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index b1498ab5a399..19e9dfa1c254 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -275,6 +275,7 @@ xfs_free_perag(
                 pag = radix_tree_delete(&mp->m_perag_tree, agno);
                 spin_unlock(&mp->m_perag_lock);
                 ASSERT(pag);
+                ASSERT(atomic_read(&pag->pag_ref) == 0);
                 call_rcu(&pag->rcu_head, __xfs_free_perag);
         }
 }
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index e0e64b113bd6..9bb6eda4cd21 100644
--- a/fs/xfs/xfs_quota.h
+++ b/fs/xfs/xfs_quota.h
@@ -346,8 +346,17 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid,
 #define xfs_trans_mod_dquot_byino(tp, ip, fields, delta)
 #define xfs_trans_apply_dquot_deltas(tp)
 #define xfs_trans_unreserve_and_mod_dquots(tp)
-#define xfs_trans_reserve_quota_nblks(tp, ip, nblks, ninos, flags)      (0)
-#define xfs_trans_reserve_quota_bydquots(tp, mp, u, g, nb, ni, fl)      (0)
+static inline int xfs_trans_reserve_quota_nblks(struct xfs_trans *tp,
+                struct xfs_inode *ip, long nblks, long ninos, uint flags)
+{
+        return 0;
+}
+static inline int xfs_trans_reserve_quota_bydquots(struct xfs_trans *tp,
+                struct xfs_mount *mp, struct xfs_dquot *udqp,
+                struct xfs_dquot *gdqp, long nblks, long nions, uint flags)
+{
+        return 0;
+}
 #define xfs_qm_vop_create_dqattach(tp, ip, u, g)
 #define xfs_qm_vop_rename_dqattach(it)                                  (0)
 #define xfs_qm_vop_chown(tp, ip, old, new)                              (NULL)
@@ -357,11 +366,14 @@ xfs_qm_vop_dqalloc(struct xfs_inode *ip, uid_t uid, gid_t gid, prid_t prid,
 #define xfs_qm_dqdetach(ip)
 #define xfs_qm_dqrele(d)
 #define xfs_qm_statvfs(ip, s)
-#define xfs_qm_sync(mp, fl)                                             (0)
+static inline int xfs_qm_sync(struct xfs_mount *mp, int flags)
+{
+        return 0;
+}
 #define xfs_qm_newmount(mp, a, b)                                       (0)
 #define xfs_qm_mount_quotas(mp)
 #define xfs_qm_unmount(mp)
-#define xfs_qm_unmount_quotas(mp)                                       (0)
+#define xfs_qm_unmount_quotas(mp)
 #endif /* CONFIG_XFS_QUOTA */
 
 #define xfs_trans_unreserve_quota_nblks(tp, ip, nblks, ninos, flags) \
diff --git a/include/asm-generic/stat.h b/include/asm-generic/stat.h
index 47e64170305d..bd8cad21998e 100644
--- a/include/asm-generic/stat.h
+++ b/include/asm-generic/stat.h
@@ -33,18 +33,18 @@ struct stat {
         int             st_blksize;     /* Optimal block size for I/O.  */
         int             __pad2;
         long            st_blocks;      /* Number 512-byte blocks allocated. */
-        int             st_atime;       /* Time of last access.  */
-        unsigned int    st_atime_nsec;
-        int             st_mtime;       /* Time of last modification.  */
-        unsigned int    st_mtime_nsec;
-        int             st_ctime;       /* Time of last status change.  */
-        unsigned int    st_ctime_nsec;
+        long            st_atime;       /* Time of last access.  */
+        unsigned long   st_atime_nsec;
+        long            st_mtime;       /* Time of last modification.  */
+        unsigned long   st_mtime_nsec;
+        long            st_ctime;       /* Time of last status change.  */
+        unsigned long   st_ctime_nsec;
         unsigned int    __unused4;
         unsigned int    __unused5;
 };
 
-#if __BITS_PER_LONG != 64
 /* This matches struct stat64 in glibc2.1. Only used for 32 bit. */
+#if __BITS_PER_LONG != 64 || defined(__ARCH_WANT_STAT64)
 struct stat64 {
         unsigned long long st_dev;      /* Device.  */
         unsigned long long st_ino;      /* File serial number.  */
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 5afa5b52063e..beafc156a535 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -432,6 +432,10 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
  * together with the @destroy function,
  * enables driver-specific objects derived from a ttm_buffer_object.
  * On successful return, the object kref and list_kref are set to 1.
+ * If a failure occurs, the function will call the @destroy function, or
+ * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is
+ * illegal and will likely cause memory corruption.
+ *
  * Returns
  * -ENOMEM: Out of memory.
  * -EINVAL: Invalid placement flags.
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index d01b4ddbdc56..8e0c848326b6 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -206,14 +206,84 @@ struct ttm_tt {
 struct ttm_mem_type_manager;
 
 struct ttm_mem_type_manager_func {
+        /**
+         * struct ttm_mem_type_manager member init
+         *
+         * @man: Pointer to a memory type manager.
+         * @p_size: Implementation dependent, but typically the size of the
+         * range to be managed in pages.
+         *
+         * Called to initialize a private range manager. The function is
+         * expected to initialize the man::priv member.
+         * Returns 0 on success, negative error code on failure.
+         */
         int  (*init)(struct ttm_mem_type_manager *man, unsigned long p_size);
+
+        /**
+         * struct ttm_mem_type_manager member takedown
+         *
+         * @man: Pointer to a memory type manager.
+         *
+         * Called to undo the setup done in init. All allocated resources
+         * should be freed.
+         */
         int  (*takedown)(struct ttm_mem_type_manager *man);
+
+        /**
+         * struct ttm_mem_type_manager member get_node
+         *
+         * @man: Pointer to a memory type manager.
+         * @bo: Pointer to the buffer object we're allocating space for.
+         * @placement: Placement details.
+         * @mem: Pointer to a struct ttm_mem_reg to be filled in.
+         *
+         * This function should allocate space in the memory type managed
+         * by @man. Placement details if
+         * applicable are given by @placement. If successful,
+         * @mem::mm_node should be set to a non-null value, and
+         * @mem::start should be set to a value identifying the beginning
+         * of the range allocated, and the function should return zero.
+         * If the memory region accomodate the buffer object, @mem::mm_node
+         * should be set to NULL, and the function should return 0.
+         * If a system error occured, preventing the request to be fulfilled,
+         * the function should return a negative error code.
+         *
+         * Note that @mem::mm_node will only be dereferenced by
+         * struct ttm_mem_type_manager functions and optionally by the driver,
+         * which has knowledge of the underlying type.
+         *
+         * This function may not be called from within atomic context, so
+         * an implementation can and must use either a mutex or a spinlock to
+         * protect any data structures managing the space.
+         */
         int  (*get_node)(struct ttm_mem_type_manager *man,
                          struct ttm_buffer_object *bo,
                          struct ttm_placement *placement,
                          struct ttm_mem_reg *mem);
+
+        /**
+         * struct ttm_mem_type_manager member put_node
+         *
+         * @man: Pointer to a memory type manager.
+         * @mem: Pointer to a struct ttm_mem_reg to be filled in.
+         *
+         * This function frees memory type resources previously allocated
+         * and that are identified by @mem::mm_node and @mem::start. May not
+         * be called from within atomic context.
+         */
         void (*put_node)(struct ttm_mem_type_manager *man,
                          struct ttm_mem_reg *mem);
+
+        /**
+         * struct ttm_mem_type_manager member debug
+         *
+         * @man: Pointer to a memory type manager.
+         * @prefix: Prefix to be used in printout to identify the caller.
+         *
+         * This function is called to print out the state of the memory
+         * type manager to aid debugging of out-of-memory conditions.
+         * It may not be called from within atomic context.
+         */
         void (*debug)(struct ttm_mem_type_manager *man, const char *prefix);
 };
 
@@ -231,14 +301,13 @@ struct ttm_mem_type_manager {
         uint64_t size;
         uint32_t available_caching;
         uint32_t default_caching;
+        const struct ttm_mem_type_manager_func *func;
+        void *priv;
 
         /*
-         * Protected by the bdev->lru_lock.
-         * TODO: Consider one lru_lock per ttm_mem_type_manager.
-         * Plays ill with list removal, though.
+         * Protected by the global->lru_lock.
          */
-        const struct ttm_mem_type_manager_func *func;
-        void *priv;
+
         struct list_head lru;
 };
 
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
new file mode 100644
index 000000000000..96c038e43d66
--- /dev/null
+++ b/include/linux/atomic.h
@@ -0,0 +1,37 @@
+#ifndef _LINUX_ATOMIC_H
+#define _LINUX_ATOMIC_H
+#include <asm/atomic.h>
+
+/**
+ * atomic_inc_not_zero_hint - increment if not null
+ * @v: pointer of type atomic_t
+ * @hint: probable value of the atomic before the increment
+ *
+ * This version of atomic_inc_not_zero() gives a hint of probable
+ * value of the atomic. This helps processor to not read the memory
+ * before doing the atomic read/modify/write cycle, lowering
+ * number of bus transactions on some arches.
+ *
+ * Returns: 0 if increment was not done, 1 otherwise.
+ */
+#ifndef atomic_inc_not_zero_hint
+static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint)
+{
+        int val, c = hint;
+
+        /* sanity test, should be removed by compiler if hint is a constant */
+        if (!hint)
+                return atomic_inc_not_zero(v);
+
+        do {
+                val = atomic_cmpxchg(v, c, c + 1);
+                if (val == c)
+                        return 1;
+                c = val;
+        } while (c);
+
+        return 0;
+}
+#endif
+
+#endif /* _LINUX_ATOMIC_H */
diff --git a/include/linux/bio.h b/include/linux/bio.h
index ba679992d39b..35dcdb3589bc 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -66,10 +66,6 @@
 #define bio_offset(bio)         bio_iovec((bio))->bv_offset
 #define bio_segments(bio)       ((bio)->bi_vcnt - (bio)->bi_idx)
 #define bio_sectors(bio)        ((bio)->bi_size >> 9)
-#define bio_empty_barrier(bio) \
-        ((bio->bi_rw & REQ_HARDBARRIER) && \
-         !bio_has_data(bio) && \
-         !(bio->bi_rw & REQ_DISCARD))
 
 static inline unsigned int bio_cur_bytes(struct bio *bio)
 {
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 0437ab6bb54c..46ad5197537a 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -122,7 +122,6 @@ enum rq_flag_bits {
         __REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */
         __REQ_FAILFAST_DRIVER,  /* no driver retries of driver errors */
 
-        __REQ_HARDBARRIER,      /* may not be passed by drive either */
         __REQ_SYNC,             /* request is sync (sync write or read) */
         __REQ_META,             /* metadata io request */
         __REQ_DISCARD,          /* request to discard sectors */
@@ -159,7 +158,6 @@ enum rq_flag_bits {
 #define REQ_FAILFAST_DEV        (1 << __REQ_FAILFAST_DEV)
 #define REQ_FAILFAST_TRANSPORT  (1 << __REQ_FAILFAST_TRANSPORT)
 #define REQ_FAILFAST_DRIVER     (1 << __REQ_FAILFAST_DRIVER)
-#define REQ_HARDBARRIER         (1 << __REQ_HARDBARRIER)
 #define REQ_SYNC                (1 << __REQ_SYNC)
 #define REQ_META                (1 << __REQ_META)
 #define REQ_DISCARD             (1 << __REQ_DISCARD)
@@ -168,8 +166,8 @@ enum rq_flag_bits {
 #define REQ_FAILFAST_MASK \
         (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER)
 #define REQ_COMMON_MASK \
-        (REQ_WRITE | REQ_FAILFAST_MASK | REQ_HARDBARRIER | REQ_SYNC | \
-         REQ_META | REQ_DISCARD | REQ_NOIDLE | REQ_FLUSH | REQ_FUA)
+        (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_DISCARD | \
+         REQ_NOIDLE | REQ_FLUSH | REQ_FUA)
 #define REQ_CLONE_MASK          REQ_COMMON_MASK
 
 #define REQ_UNPLUG              (1 << __REQ_UNPLUG)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 5027a599077d..aae86fd10c4f 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -552,8 +552,7 @@ static inline void blk_clear_queue_full(struct request_queue *q, int sync)
  * it already be started by driver.
  */
 #define RQ_NOMERGE_FLAGS        \
-        (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER | \
-         REQ_FLUSH | REQ_FUA)
+        (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA)
 #define rq_mergeable(rq)        \
         (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && \
          (((rq)->cmd_flags & REQ_DISCARD) || \
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 9b2a0158f399..ef44c7a0638c 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -53,7 +53,7 @@
 
 
 extern const char *drbd_buildtag(void);
-#define REL_VERSION "8.3.9rc2"
+#define REL_VERSION "8.3.9"
 #define API_VERSION 88
 #define PRO_VERSION_MIN 86
 #define PRO_VERSION_MAX 95
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 8a389b608ce3..41cb31f14ee3 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -96,11 +96,15 @@
  */
 #define in_nmi()        (preempt_count() & NMI_MASK)
 
-#if defined(CONFIG_PREEMPT)
+#if defined(CONFIG_PREEMPT) && defined(CONFIG_BKL)
 # define PREEMPT_INATOMIC_BASE kernel_locked()
-# define PREEMPT_CHECK_OFFSET 1
 #else
 # define PREEMPT_INATOMIC_BASE 0
+#endif
+
+#if defined(CONFIG_PREEMPT)
+# define PREEMPT_CHECK_OFFSET 1
+#else
 # define PREEMPT_CHECK_OFFSET 0
 #endif
 
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index e9138198e823..b676c585574e 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -5,6 +5,7 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/uaccess.h>
+#include <linux/hardirq.h>
 
 #include <asm/cacheflush.h>
 
diff --git a/include/linux/i2c/adp5588.h b/include/linux/i2c/adp5588.h
index 3c5d6b6e765c..cec17cf6cac2 100644
--- a/include/linux/i2c/adp5588.h
+++ b/include/linux/i2c/adp5588.h
@@ -1,7 +1,7 @@
 /*
  * Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2010 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -77,13 +77,26 @@
  /* Configuration Register1 */
 #define ADP5588_AUTO_INC        (1 << 7)
 #define ADP5588_GPIEM_CFG       (1 << 6)
+#define ADP5588_OVR_FLOW_M      (1 << 5)
 #define ADP5588_INT_CFG         (1 << 4)
+#define ADP5588_OVR_FLOW_IEN    (1 << 3)
+#define ADP5588_K_LCK_IM        (1 << 2)
 #define ADP5588_GPI_IEN         (1 << 1)
+#define ADP5588_KE_IEN          (1 << 0)
 
 /* Interrupt Status Register */
+#define ADP5588_CMP2_INT        (1 << 5)
+#define ADP5588_CMP1_INT        (1 << 4)
+#define ADP5588_OVR_FLOW_INT    (1 << 3)
+#define ADP5588_K_LCK_INT       (1 << 2)
 #define ADP5588_GPI_INT         (1 << 1)
 #define ADP5588_KE_INT          (1 << 0)
 
+/* Key Lock and Event Counter Register */
+#define ADP5588_K_LCK_EN        (1 << 6)
+#define ADP5588_LCK21           0x30
+#define ADP5588_KEC             0xF
+
 #define ADP5588_MAXGPIO         18
 #define ADP5588_BANK(offs)      ((offs) >> 3)
 #define ADP5588_BIT(offs)       (1u << ((offs) & 0x7))
diff --git a/include/linux/input.h b/include/linux/input.h
index 51af441f3a21..6ef44465db8d 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1406,6 +1406,8 @@ static inline void input_set_drvdata(struct input_dev *dev, void *data)
 int __must_check input_register_device(struct input_dev *);
 void input_unregister_device(struct input_dev *);
 
+void input_reset_device(struct input_dev *);
+
 int __must_check input_register_handler(struct input_handler *);
 void input_unregister_handler(struct input_handler *);
 
@@ -1421,7 +1423,7 @@ void input_release_device(struct input_handle *);
 int input_open_device(struct input_handle *);
 void input_close_device(struct input_handle *);
 
-int input_flush_device(struct input_handle* handle, struct file* file);
+int input_flush_device(struct input_handle *handle, struct file *file);
 
 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
 void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value);
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 3e70b21884a9..b2eee896dcbc 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -76,7 +76,6 @@ int put_io_context(struct io_context *ioc);
 void exit_io_context(struct task_struct *task);
 struct io_context *get_io_context(gfp_t gfp_flags, int node);
 struct io_context *alloc_io_context(gfp_t gfp_flags, int node);
-void copy_io_context(struct io_context **pdst, struct io_context **psrc);
 #else
 static inline void exit_io_context(struct task_struct *task)
 {
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 450092c1e35f..fc3da9e4da19 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -60,7 +60,7 @@ extern const char linux_proc_banner[];
 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
 #define roundup(x, y) (                                 \
 {                                                       \
-        typeof(y) __y = y;                              \
+        const typeof(y) __y = y;                        \
         (((x) + (__y - 1)) / __y) * __y;                \
 }                                                       \
 )
@@ -293,6 +293,7 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
                                    unsigned int interval_msec);
 
 extern int printk_delay_msec;
+extern int dmesg_restrict;
 
 /*
  * Print a one-time message (analogous to WARN_ONCE() et al):
diff --git a/include/linux/leds-lp5521.h b/include/linux/leds-lp5521.h
new file mode 100644
index 000000000000..38368d785f08
--- /dev/null
+++ b/include/linux/leds-lp5521.h
@@ -0,0 +1,47 @@
+/*
+ * LP5521 LED chip driver.
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef __LINUX_LP5521_H
+#define __LINUX_LP5521_H
+
+/* See Documentation/leds/leds-lp5521.txt */
+
+struct lp5521_led_config {
+        u8              chan_nr;
+        u8              led_current; /* mA x10, 0 if led is not connected */
+        u8              max_current;
+};
+
+#define LP5521_CLOCK_AUTO       0
+#define LP5521_CLOCK_INT        1
+#define LP5521_CLOCK_EXT        2
+
+struct lp5521_platform_data {
+        struct lp5521_led_config *led_config;
+        u8      num_channels;
+        u8      clock_mode;
+        int     (*setup_resources)(void);
+        void    (*release_resources)(void);
+        void    (*enable)(bool state);
+};
+
+#endif /* __LINUX_LP5521_H */
diff --git a/include/linux/leds-lp5523.h b/include/linux/leds-lp5523.h
new file mode 100644
index 000000000000..796747637b80
--- /dev/null
+++ b/include/linux/leds-lp5523.h
@@ -0,0 +1,47 @@
+/*
+ * LP5523 LED Driver
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef __LINUX_LP5523_H
+#define __LINUX_LP5523_H
+
+/* See Documentation/leds/leds-lp5523.txt */
+
+struct lp5523_led_config {
+        u8              chan_nr;
+        u8              led_current; /* mA x10, 0 if led is not connected */
+        u8              max_current;
+};
+
+#define LP5523_CLOCK_AUTO       0
+#define LP5523_CLOCK_INT        1
+#define LP5523_CLOCK_EXT        2
+
+struct lp5523_platform_data {
+        struct lp5523_led_config *led_config;
+        u8      num_channels;
+        u8      clock_mode;
+        int     (*setup_resources)(void);
+        void    (*release_resources)(void);
+        void    (*enable)(bool state);
+};
+
+#endif /* __LINUX_LP5523_H */
diff --git a/include/linux/leds.h b/include/linux/leds.h
index ba6986a11663..0f19df9e37b0 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -15,6 +15,7 @@
 #include <linux/list.h>
 #include <linux/spinlock.h>
 #include <linux/rwsem.h>
+#include <linux/timer.h>
 
 struct device;
 /*
@@ -45,10 +46,14 @@ struct led_classdev {
         /* Get LED brightness level */
         enum led_brightness (*brightness_get)(struct led_classdev *led_cdev);
 
-        /* Activate hardware accelerated blink, delays are in
-         * miliseconds and if none is provided then a sensible default
-         * should be chosen. The call can adjust the timings if it can't
-         * match the values specified exactly. */
+        /*
+         * Activate hardware accelerated blink, delays are in milliseconds
+         * and if both are zero then a sensible default should be chosen.
+         * The call should adjust the timings in that case and if it can't
+         * match the values specified exactly.
+         * Deactivate blinking again when the brightness is set to a fixed
+         * value via the brightness_set() callback.
+         */
         int             (*blink_set)(struct led_classdev *led_cdev,
                                      unsigned long *delay_on,
                                      unsigned long *delay_off);
@@ -57,6 +62,10 @@ struct led_classdev {
         struct list_head         node;                  /* LED Device list */
         const char              *default_trigger;       /* Trigger to use */
 
+        unsigned long            blink_delay_on, blink_delay_off;
+        struct timer_list        blink_timer;
+        int                      blink_brightness;
+
 #ifdef CONFIG_LEDS_TRIGGERS
         /* Protects the trigger data below */
         struct rw_semaphore      trigger_lock;
@@ -73,6 +82,36 @@ extern void led_classdev_unregister(struct led_classdev *led_cdev);
 extern void led_classdev_suspend(struct led_classdev *led_cdev);
 extern void led_classdev_resume(struct led_classdev *led_cdev);
 
+/**
+ * led_blink_set - set blinking with software fallback
+ * @led_cdev: the LED to start blinking
+ * @delay_on: the time it should be on (in ms)
+ * @delay_off: the time it should ble off (in ms)
+ *
+ * This function makes the LED blink, attempting to use the
+ * hardware acceleration if possible, but falling back to
+ * software blinking if there is no hardware blinking or if
+ * the LED refuses the passed values.
+ *
+ * Note that if software blinking is active, simply calling
+ * led_cdev->brightness_set() will not stop the blinking,
+ * use led_classdev_brightness_set() instead.
+ */
+extern void led_blink_set(struct led_classdev *led_cdev,
+                          unsigned long *delay_on,
+                          unsigned long *delay_off);
+/**
+ * led_brightness_set - set LED brightness
+ * @led_cdev: the LED to set
+ * @brightness: the brightness to set it to
+ *
+ * Set an LED's brightness, and, if necessary, cancel the
+ * software blink timer that implements blinking when the
+ * hardware doesn't.
+ */
+extern void led_brightness_set(struct led_classdev *led_cdev,
+                               enum led_brightness brightness);
+
 /*
  * LED Triggers
  */
diff --git a/include/linux/mmc/sh_mmcif.h b/include/linux/mmc/sh_mmcif.h
index d19e2114fd86..5c99da1078aa 100644
--- a/include/linux/mmc/sh_mmcif.h
+++ b/include/linux/mmc/sh_mmcif.h
@@ -59,19 +59,19 @@ struct sh_mmcif_plat_data {
 #define MMCIF_CE_HOST_STS2      0x0000004C
 #define MMCIF_CE_VERSION        0x0000007C
 
-extern inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
+static inline u32 sh_mmcif_readl(void __iomem *addr, int reg)
 {
         return readl(addr + reg);
 }
 
-extern inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
+static inline void sh_mmcif_writel(void __iomem *addr, int reg, u32 val)
 {
         writel(val, addr + reg);
 }
 
 #define SH_MMCIF_BBS 512 /* boot block size */
 
-extern inline void sh_mmcif_boot_cmd_send(void __iomem *base,
+static inline void sh_mmcif_boot_cmd_send(void __iomem *base,
                                           unsigned long cmd, unsigned long arg)
 {
         sh_mmcif_writel(base, MMCIF_CE_INT, 0);
@@ -79,7 +79,7 @@ extern inline void sh_mmcif_boot_cmd_send(void __iomem *base,
         sh_mmcif_writel(base, MMCIF_CE_CMD_SET, cmd);
 }
 
-extern inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask)
+static inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask)
 {
         unsigned long tmp;
         int cnt;
@@ -95,14 +95,14 @@ extern inline int sh_mmcif_boot_cmd_poll(void __iomem *base, unsigned long mask)
         return -1;
 }
 
-extern inline int sh_mmcif_boot_cmd(void __iomem *base,
+static inline int sh_mmcif_boot_cmd(void __iomem *base,
                                     unsigned long cmd, unsigned long arg)
 {
         sh_mmcif_boot_cmd_send(base, cmd, arg);
         return sh_mmcif_boot_cmd_poll(base, 0x00010000);
 }
 
-extern inline int sh_mmcif_boot_do_read_single(void __iomem *base,
+static inline int sh_mmcif_boot_do_read_single(void __iomem *base,
                                                unsigned int block_nr,
                                                unsigned long *buf)
 {
@@ -125,7 +125,7 @@ extern inline int sh_mmcif_boot_do_read_single(void __iomem *base,
         return 0;
 }
 
-extern inline int sh_mmcif_boot_do_read(void __iomem *base,
+static inline int sh_mmcif_boot_do_read(void __iomem *base,
                                         unsigned long first_block,
                                         unsigned long nr_blocks,
                                         void *buf)
@@ -143,7 +143,7 @@ extern inline int sh_mmcif_boot_do_read(void __iomem *base,
         return ret;
 }
 
-extern inline void sh_mmcif_boot_init(void __iomem *base)
+static inline void sh_mmcif_boot_init(void __iomem *base)
 {
         unsigned long tmp;
 
@@ -177,7 +177,7 @@ extern inline void sh_mmcif_boot_init(void __iomem *base)
         sh_mmcif_boot_cmd(base, 0x03400040, 0x00010000);
 }
 
-extern inline void sh_mmcif_boot_slurp(void __iomem *base,
+static inline void sh_mmcif_boot_slurp(void __iomem *base,
                                        unsigned char *buf,
                                        unsigned long no_bytes)
 {
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 057bf22a8323..40150f345982 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -747,6 +747,16 @@ struct perf_event {
         u64                             tstamp_running;
         u64                             tstamp_stopped;
 
+        /*
+         * timestamp shadows the actual context timing but it can
+         * be safely used in NMI interrupt context. It reflects the
+         * context time as it was when the event was last scheduled in.
+         *
+         * ctx_time already accounts for ctx->timestamp. Therefore to
+         * compute ctx_time for a sample, simply add perf_clock().
+         */
+        u64                             shadow_ctx_time;
+
         struct perf_event_attr          attr;
         struct hw_perf_event            hw;
 
diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index 01b3d759f1fc..e031e1a486d9 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -8,6 +8,7 @@ struct platform_pwm_backlight_data {
         int pwm_id;
         unsigned int max_brightness;
         unsigned int dft_brightness;
+        unsigned int lth_brightness;
         unsigned int pwm_period_ns;
         int (*init)(struct device *dev);
         int (*notify)(struct device *dev, int brightness);
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index a39cbed9ee17..ab2baa5c4884 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -34,19 +34,13 @@
  * needed for RCU lookups (because root->height is unreliable). The only
  * time callers need worry about this is when doing a lookup_slot under
  * RCU.
+ *
+ * Indirect pointer in fact is also used to tag the last pointer of a node
+ * when it is shrunk, before we rcu free the node. See shrink code for
+ * details.
  */
 #define RADIX_TREE_INDIRECT_PTR 1
-#define RADIX_TREE_RETRY ((void *)-1UL)
-
-static inline void *radix_tree_ptr_to_indirect(void *ptr)
-{
-        return (void *)((unsigned long)ptr | RADIX_TREE_INDIRECT_PTR);
-}
 
-static inline void *radix_tree_indirect_to_ptr(void *ptr)
-{
-        return (void *)((unsigned long)ptr & ~RADIX_TREE_INDIRECT_PTR);
-}
 #define radix_tree_indirect_to_ptr(ptr) \
         radix_tree_indirect_to_ptr((void __force *)(ptr))
 
@@ -140,16 +134,29 @@ do {									\
  *              removed.
  *
  * For use with radix_tree_lookup_slot().  Caller must hold tree at least read
- * locked across slot lookup and dereference.  More likely, will be used with
- * radix_tree_replace_slot(), as well, so caller will hold tree write locked.
+ * locked across slot lookup and dereference. Not required if write lock is
+ * held (ie. items cannot be concurrently inserted).
+ *
+ * radix_tree_deref_retry must be used to confirm validity of the pointer if
+ * only the read lock is held.
  */
 static inline void *radix_tree_deref_slot(void **pslot)
 {
-        void *ret = rcu_dereference(*pslot);
-        if (unlikely(radix_tree_is_indirect_ptr(ret)))
-                ret = RADIX_TREE_RETRY;
-        return ret;
+        return rcu_dereference(*pslot);
 }
+
+/**
+ * radix_tree_deref_retry       - check radix_tree_deref_slot
+ * @arg:        pointer returned by radix_tree_deref_slot
+ * Returns:     0 if retry is not required, otherwise retry is required
+ *
+ * radix_tree_deref_retry must be used with radix_tree_deref_slot.
+ */
+static inline int radix_tree_deref_retry(void *arg)
+{
+        return unlikely((unsigned long)arg & RADIX_TREE_INDIRECT_PTR);
+}
+
 /**
  * radix_tree_replace_slot      - replace item in a slot
  * @pslot:      pointer to slot, returned by radix_tree_lookup_slot
diff --git a/include/linux/resource.h b/include/linux/resource.h
index 88d36f9145ba..d01c96c1966e 100644
--- a/include/linux/resource.h
+++ b/include/linux/resource.h
@@ -2,6 +2,7 @@
 #define _LINUX_RESOURCE_H
 
 #include <linux/time.h>
+#include <linux/types.h>
 
 /*
  * Resource control/accounting header file for linux
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 4dca992f3093..cea0c38e7a63 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -122,6 +122,10 @@ int clk_rate_table_find(struct clk *clk,
 long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
                               unsigned int div_max, unsigned long rate);
 
+long clk_round_parent(struct clk *clk, unsigned long target,
+                      unsigned long *best_freq, unsigned long *parent_freq,
+                      unsigned int div_min, unsigned int div_max);
+
 #define SH_CLK_MSTP32(_parent, _enable_reg, _enable_bit, _flags)        \
 {                                                                       \
         .parent         = _parent,                                      \
diff --git a/include/linux/sh_timer.h b/include/linux/sh_timer.h
index 864bd56bd3b0..4d9dcd138315 100644
--- a/include/linux/sh_timer.h
+++ b/include/linux/sh_timer.h
@@ -5,7 +5,6 @@ struct sh_timer_config {
         char *name;
         long channel_offset;
         int timer_bit;
-        char *clk;
         unsigned long clockevent_rating;
         unsigned long clocksource_rating;
 };
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index bbdb680ffbe9..aea0d438e3c7 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -82,18 +82,28 @@ struct svc_xprt {
         struct net              *xpt_net;
 };
 
-static inline void register_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u)
+static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u)
 {
         spin_lock(&xpt->xpt_lock);
-        list_add(&u->list, &xpt->xpt_users);
+        list_del_init(&u->list);
         spin_unlock(&xpt->xpt_lock);
 }
 
-static inline void unregister_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u)
+static inline int register_xpt_user(struct svc_xprt *xpt, struct svc_xpt_user *u)
 {
         spin_lock(&xpt->xpt_lock);
-        list_del_init(&u->list);
+        if (test_bit(XPT_CLOSE, &xpt->xpt_flags)) {
+                /*
+                 * The connection is about to be deleted soon (or,
+                 * worse, may already be deleted--in which case we've
+                 * already notified the xpt_users).
+                 */
+                spin_unlock(&xpt->xpt_lock);
+                return -ENOTCONN;
+        }
+        list_add(&u->list, &xpt->xpt_users);
         spin_unlock(&xpt->xpt_lock);
+        return 0;
 }
 
 int     svc_reg_xprt_class(struct svc_xprt_class *);
diff --git a/include/net/caif/caif_dev.h b/include/net/caif/caif_dev.h
index 6da573c75d54..8eff83b95366 100644
--- a/include/net/caif/caif_dev.h
+++ b/include/net/caif/caif_dev.h
@@ -28,7 +28,7 @@ struct caif_param {
  * @sockaddr:           Socket address to connect.
  * @priority:           Priority of the connection.
  * @link_selector:      Link selector (high bandwidth or low latency)
- * @link_name:          Name of the CAIF Link Layer to use.
+ * @ifindex:            kernel index of the interface.
  * @param:              Connect Request parameters (CAIF_SO_REQ_PARAM).
  *
  * This struct is used when connecting a CAIF channel.
@@ -39,7 +39,7 @@ struct caif_connect_request {
         struct sockaddr_caif sockaddr;
         enum caif_channel_priority priority;
         enum caif_link_selector link_selector;
-        char link_name[16];
+        int ifindex;
         struct caif_param param;
 };
 
diff --git a/include/net/caif/caif_spi.h b/include/net/caif/caif_spi.h
index ce4570dff020..87c3d11b8e55 100644
--- a/include/net/caif/caif_spi.h
+++ b/include/net/caif/caif_spi.h
@@ -121,6 +121,8 @@ struct cfspi {
         wait_queue_head_t wait;
         spinlock_t lock;
         bool flow_stop;
+        bool slave;
+        bool slave_talked;
 #ifdef CONFIG_DEBUG_FS
         enum cfspi_state dbg_state;
         u16 pcmd;
diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h
index bd646faffa47..f688478bfb84 100644
--- a/include/net/caif/cfcnfg.h
+++ b/include/net/caif/cfcnfg.h
@@ -139,10 +139,10 @@ struct dev_info *cfcnfg_get_phyid(struct cfcnfg *cnfg,
                      enum cfcnfg_phy_preference phy_pref);
 
 /**
- * cfcnfg_get_named() - Get the Physical Identifier of CAIF Link Layer
+ * cfcnfg_get_id_from_ifi() - Get the Physical Identifier of ifindex,
+ *                      it matches caif physical id with the kernel interface id.
  * @cnfg:       Configuration object
- * @name:       Name of the Physical Layer (Caif Link Layer)
+ * @ifi:        ifindex obtained from socket.c bindtodevice.
  */
-int cfcnfg_get_named(struct cfcnfg *cnfg, char *name);
-
+int cfcnfg_get_id_from_ifi(struct cfcnfg *cnfg, int ifi);
 #endif                          /* CFCNFG_H_ */
diff --git a/include/net/netlink.h b/include/net/netlink.h
index f3b201d335b3..9801c55de5d6 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -384,7 +384,7 @@ static inline int nlmsg_parse(const struct nlmsghdr *nlh, int hdrlen,
  *
  * Returns the first attribute which matches the specified type.
  */
-static inline struct nlattr *nlmsg_find_attr(struct nlmsghdr *nlh,
+static inline struct nlattr *nlmsg_find_attr(const struct nlmsghdr *nlh,
                                              int hdrlen, int attrtype)
 {
         return nla_find(nlmsg_attrdata(nlh, hdrlen),
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 289010d3270b..e5e345fb2a5c 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -98,6 +98,103 @@ TRACE_EVENT(ext4_allocate_inode,
                   (unsigned long) __entry->dir, __entry->mode)
 );
 
+TRACE_EVENT(ext4_evict_inode,
+        TP_PROTO(struct inode *inode),
+
+        TP_ARGS(inode),
+
+        TP_STRUCT__entry(
+                __field(        int,   dev_major                )
+                __field(        int,   dev_minor                )
+                __field(        ino_t,  ino                     )
+                __field(        int,    nlink                   )
+        ),
+
+        TP_fast_assign(
+                __entry->dev_major = MAJOR(inode->i_sb->s_dev);
+                __entry->dev_minor = MINOR(inode->i_sb->s_dev);
+                __entry->ino    = inode->i_ino;
+                __entry->nlink  = inode->i_nlink;
+        ),
+
+        TP_printk("dev %d,%d ino %lu nlink %d",
+                  __entry->dev_major, __entry->dev_minor,
+                  (unsigned long) __entry->ino, __entry->nlink)
+);
+
+TRACE_EVENT(ext4_drop_inode,
+        TP_PROTO(struct inode *inode, int drop),
+
+        TP_ARGS(inode, drop),
+
+        TP_STRUCT__entry(
+                __field(        int,    dev_major               )
+                __field(        int,    dev_minor               )
+                __field(        ino_t,  ino                     )
+                __field(        int,    drop                    )
+        ),
+
+        TP_fast_assign(
+                __entry->dev_major = MAJOR(inode->i_sb->s_dev);
+                __entry->dev_minor = MINOR(inode->i_sb->s_dev);
+                __entry->ino    = inode->i_ino;
+                __entry->drop   = drop;
+        ),
+
+        TP_printk("dev %d,%d ino %lu drop %d",
+                  __entry->dev_major, __entry->dev_minor,
+                  (unsigned long) __entry->ino, __entry->drop)
+);
+
+TRACE_EVENT(ext4_mark_inode_dirty,
+        TP_PROTO(struct inode *inode, unsigned long IP),
+
+        TP_ARGS(inode, IP),
+
+        TP_STRUCT__entry(
+                __field(        int,    dev_major               )
+                __field(        int,    dev_minor               )
+                __field(        ino_t,  ino                     )
+                __field(unsigned long,  ip                      )
+        ),
+
+        TP_fast_assign(
+                __entry->dev_major = MAJOR(inode->i_sb->s_dev);
+                __entry->dev_minor = MINOR(inode->i_sb->s_dev);
+                __entry->ino    = inode->i_ino;
+                __entry->ip     = IP;
+        ),
+
+        TP_printk("dev %d,%d ino %lu caller %pF",
+                  __entry->dev_major, __entry->dev_minor,
+                  (unsigned long) __entry->ino, (void *)__entry->ip)
+);
+
+TRACE_EVENT(ext4_begin_ordered_truncate,
+        TP_PROTO(struct inode *inode, loff_t new_size),
+
+        TP_ARGS(inode, new_size),
+
+        TP_STRUCT__entry(
+                __field(        int,    dev_major               )
+                __field(        int,    dev_minor               )
+                __field(        ino_t,  ino                     )
+                __field(        loff_t, new_size                )
+        ),
+
+        TP_fast_assign(
+                __entry->dev_major      = MAJOR(inode->i_sb->s_dev);
+                __entry->dev_minor      = MINOR(inode->i_sb->s_dev);
+                __entry->ino            = inode->i_ino;
+                __entry->new_size       = new_size;
+        ),
+
+        TP_printk("dev %d,%d ino %lu new_size %lld",
+                  __entry->dev_major, __entry->dev_minor,
+                  (unsigned long) __entry->ino,
+                  (long long) __entry->new_size)
+);
+
 DECLARE_EVENT_CLASS(ext4__write_begin,
 
         TP_PROTO(struct inode *inode, loff_t pos, unsigned int len,
diff --git a/kernel/exit.c b/kernel/exit.c
index b194febf5799..21aa7b3001fb 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -96,6 +96,14 @@ static void __exit_signal(struct task_struct *tsk)
                 sig->tty = NULL;
         } else {
                 /*
+                 * This can only happen if the caller is de_thread().
+                 * FIXME: this is the temporary hack, we should teach
+                 * posix-cpu-timers to handle this case correctly.
+                 */
+                if (unlikely(has_group_leader_pid(tsk)))
+                        posix_cpu_timers_exit_group(tsk);
+
+                /*
                  * If there is any task waiting for the group exit
                  * then notify it:
                  */
diff --git a/kernel/latencytop.c b/kernel/latencytop.c
index 877fb306d415..17110a4a4fc2 100644
--- a/kernel/latencytop.c
+++ b/kernel/latencytop.c
@@ -194,14 +194,7 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter)
 
         account_global_scheduler_latency(tsk, &lat);
 
-        /*
-         * short term hack; if we're > 32 we stop; future we recycle:
-         */
-        tsk->latency_record_count++;
-        if (tsk->latency_record_count >= LT_SAVECOUNT)
-                goto out_unlock;
-
-        for (i = 0; i < LT_SAVECOUNT; i++) {
+        for (i = 0; i < tsk->latency_record_count; i++) {
                 struct latency_record *mylat;
                 int same = 1;
 
@@ -227,8 +220,14 @@ __account_scheduler_latency(struct task_struct *tsk, int usecs, int inter)
                 }
         }
 
+        /*
+         * short term hack; if we're > 32 we stop; future we recycle:
+         */
+        if (tsk->latency_record_count >= LT_SAVECOUNT)
+                goto out_unlock;
+
         /* Allocated a new one: */
-        i = tsk->latency_record_count;
+        i = tsk->latency_record_count++;
         memcpy(&tsk->latency_record[i], &lat, sizeof(struct latency_record));
 
 out_unlock:
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 517d827f4982..cb6c0d2af68f 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -674,6 +674,8 @@ event_sched_in(struct perf_event *event,
 
         event->tstamp_running += ctx->time - event->tstamp_stopped;
 
+        event->shadow_ctx_time = ctx->time - ctx->timestamp;
+
         if (!is_software_event(event))
                 cpuctx->active_oncpu++;
         ctx->nr_active++;
@@ -3396,7 +3398,8 @@ static u32 perf_event_tid(struct perf_event *event, struct task_struct *p)
 }
 
 static void perf_output_read_one(struct perf_output_handle *handle,
-                                 struct perf_event *event)
+                                 struct perf_event *event,
+                                 u64 enabled, u64 running)
 {
         u64 read_format = event->attr.read_format;
         u64 values[4];
@@ -3404,11 +3407,11 @@ static void perf_output_read_one(struct perf_output_handle *handle,
 
         values[n++] = perf_event_count(event);
         if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) {
-                values[n++] = event->total_time_enabled +
+                values[n++] = enabled +
                         atomic64_read(&event->child_total_time_enabled);
         }
         if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) {
-                values[n++] = event->total_time_running +
+                values[n++] = running +
                         atomic64_read(&event->child_total_time_running);
         }
         if (read_format & PERF_FORMAT_ID)
@@ -3421,7 +3424,8 @@ static void perf_output_read_one(struct perf_output_handle *handle,
  * XXX PERF_FORMAT_GROUP vs inherited events seems difficult.
  */
 static void perf_output_read_group(struct perf_output_handle *handle,
-                            struct perf_event *event)
+                            struct perf_event *event,
+                            u64 enabled, u64 running)
 {
         struct perf_event *leader = event->group_leader, *sub;
         u64 read_format = event->attr.read_format;
@@ -3431,10 +3435,10 @@ static void perf_output_read_group(struct perf_output_handle *handle,
         values[n++] = 1 + leader->nr_siblings;
 
         if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
-                values[n++] = leader->total_time_enabled;
+                values[n++] = enabled;
 
         if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
-                values[n++] = leader->total_time_running;
+                values[n++] = running;
 
         if (leader != event)
                 leader->pmu->read(leader);
@@ -3459,13 +3463,35 @@ static void perf_output_read_group(struct perf_output_handle *handle,
         }
 }
 
+#define PERF_FORMAT_TOTAL_TIMES (PERF_FORMAT_TOTAL_TIME_ENABLED|\
+                                 PERF_FORMAT_TOTAL_TIME_RUNNING)
+
 static void perf_output_read(struct perf_output_handle *handle,
                              struct perf_event *event)
 {
+        u64 enabled = 0, running = 0, now, ctx_time;
+        u64 read_format = event->attr.read_format;
+
+        /*
+         * compute total_time_enabled, total_time_running
+         * based on snapshot values taken when the event
+         * was last scheduled in.
+         *
+         * we cannot simply called update_context_time()
+         * because of locking issue as we are called in
+         * NMI context
+         */
+        if (read_format & PERF_FORMAT_TOTAL_TIMES) {
+                now = perf_clock();
+                ctx_time = event->shadow_ctx_time + now;
+                enabled = ctx_time - event->tstamp_enabled;
+                running = ctx_time - event->tstamp_running;
+        }
+
         if (event->attr.read_format & PERF_FORMAT_GROUP)
-                perf_output_read_group(handle, event);
+                perf_output_read_group(handle, event, enabled, running);
         else
-                perf_output_read_one(handle, event);
+                perf_output_read_one(handle, event, enabled, running);
 }
 
 void perf_output_sample(struct perf_output_handle *handle,
diff --git a/kernel/printk.c b/kernel/printk.c
index b2ebaee8c377..38e7d5868d60 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -261,6 +261,12 @@ static inline void boot_delay_msec(void)
 }
 #endif
 
+#ifdef CONFIG_SECURITY_DMESG_RESTRICT
+int dmesg_restrict = 1;
+#else
+int dmesg_restrict;
+#endif
+
 int do_syslog(int type, char __user *buf, int len, bool from_file)
 {
         unsigned i, j, limit, count;
diff --git a/kernel/range.c b/kernel/range.c
index 471b66acabb5..37fa9b99ad58 100644
--- a/kernel/range.c
+++ b/kernel/range.c
@@ -119,7 +119,7 @@ static int cmp_range(const void *x1, const void *x2)
 
 int clean_sort_range(struct range *range, int az)
 {
-        int i, j, k = az - 1, nr_range = 0;
+        int i, j, k = az - 1, nr_range = az;
 
         for (i = 0; i < k; i++) {
                 if (range[i].end)
diff --git a/kernel/relay.c b/kernel/relay.c
index c7cf397fb929..859ea5a9605f 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -70,17 +70,10 @@ static const struct vm_operations_struct relay_file_mmap_ops = {
  */
 static struct page **relay_alloc_page_array(unsigned int n_pages)
 {
-        struct page **array;
-        size_t pa_size = n_pages * sizeof(struct page *);
-
-        if (pa_size > PAGE_SIZE) {
-                array = vmalloc(pa_size);
-                if (array)
-                        memset(array, 0, pa_size);
-        } else {
-                array = kzalloc(pa_size, GFP_KERNEL);
-        }
-        return array;
+        const size_t pa_size = n_pages * sizeof(struct page *);
+        if (pa_size > PAGE_SIZE)
+                return vzalloc(pa_size);
+        return kzalloc(pa_size, GFP_KERNEL);
 }
 
 /*
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c33a1edb799f..b65bf634035e 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -704,6 +704,15 @@ static struct ctl_table kern_table[] = {
         },
 #endif
         {
+                .procname       = "dmesg_restrict",
+                .data           = &dmesg_restrict,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec_minmax,
+                .extra1         = &zero,
+                .extra2         = &one,
+        },
+        {
                 .procname       = "ngroups_max",
                 .data           = &ngroups_max,
                 .maxlen         = sizeof (int),
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index bc251ed66724..7b8ec0281548 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -168,7 +168,6 @@ static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector,
 static const u32 ddir_act[2] = { BLK_TC_ACT(BLK_TC_READ),
                                  BLK_TC_ACT(BLK_TC_WRITE) };
 
-#define BLK_TC_HARDBARRIER      BLK_TC_BARRIER
 #define BLK_TC_RAHEAD           BLK_TC_AHEAD
 
 /* The ilog2() calls fall out because they're constant */
@@ -196,7 +195,6 @@ static void __blk_add_trace(struct blk_trace *bt, sector_t sector, int bytes,
                 return;
 
         what |= ddir_act[rw & WRITE];
-        what |= MASK_TC_BIT(rw, HARDBARRIER);
         what |= MASK_TC_BIT(rw, SYNC);
         what |= MASK_TC_BIT(rw, RAHEAD);
         what |= MASK_TC_BIT(rw, META);
@@ -1807,8 +1805,6 @@ void blk_fill_rwbs(char *rwbs, u32 rw, int bytes)
 
         if (rw & REQ_RAHEAD)
                 rwbs[i++] = 'A';
-        if (rw & REQ_HARDBARRIER)
-                rwbs[i++] = 'B';
         if (rw & REQ_SYNC)
                 rwbs[i++] = 'S';
         if (rw & REQ_META)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index bafba687a6d8..6e3c41a4024c 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -43,7 +43,7 @@ static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts_saved);
 static DEFINE_PER_CPU(struct perf_event *, watchdog_ev);
 #endif
 
-static int __initdata no_watchdog;
+static int no_watchdog;
 
 
 /* boot commands */
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 6f412ab4c24f..5086bb962b4d 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -82,6 +82,16 @@ struct radix_tree_preload {
 };
 static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, };
 
+static inline void *ptr_to_indirect(void *ptr)
+{
+        return (void *)((unsigned long)ptr | RADIX_TREE_INDIRECT_PTR);
+}
+
+static inline void *indirect_to_ptr(void *ptr)
+{
+        return (void *)((unsigned long)ptr & ~RADIX_TREE_INDIRECT_PTR);
+}
+
 static inline gfp_t root_gfp_mask(struct radix_tree_root *root)
 {
         return root->gfp_mask & __GFP_BITS_MASK;
@@ -265,7 +275,7 @@ static int radix_tree_extend(struct radix_tree_root *root, unsigned long index)
                         return -ENOMEM;
 
                 /* Increase the height.  */
-                node->slots[0] = radix_tree_indirect_to_ptr(root->rnode);
+                node->slots[0] = indirect_to_ptr(root->rnode);
 
                 /* Propagate the aggregated tag info into the new root */
                 for (tag = 0; tag < RADIX_TREE_MAX_TAGS; tag++) {
@@ -276,7 +286,7 @@ static int radix_tree_extend(struct radix_tree_root *root, unsigned long index)
                 newheight = root->height+1;
                 node->height = newheight;
                 node->count = 1;
-                node = radix_tree_ptr_to_indirect(node);
+                node = ptr_to_indirect(node);
                 rcu_assign_pointer(root->rnode, node);
                 root->height = newheight;
         } while (height > root->height);
@@ -309,7 +319,7 @@ int radix_tree_insert(struct radix_tree_root *root,
                         return error;
         }
 
-        slot = radix_tree_indirect_to_ptr(root->rnode);
+        slot = indirect_to_ptr(root->rnode);
 
         height = root->height;
         shift = (height-1) * RADIX_TREE_MAP_SHIFT;
@@ -325,8 +335,7 @@ int radix_tree_insert(struct radix_tree_root *root,
                                 rcu_assign_pointer(node->slots[offset], slot);
                                 node->count++;
                         } else
-                                rcu_assign_pointer(root->rnode,
-                                        radix_tree_ptr_to_indirect(slot));
+                                rcu_assign_pointer(root->rnode, ptr_to_indirect(slot));
                 }
 
                 /* Go a level down */
@@ -374,7 +383,7 @@ static void *radix_tree_lookup_element(struct radix_tree_root *root,
                         return NULL;
                 return is_slot ? (void *)&root->rnode : node;
         }
-        node = radix_tree_indirect_to_ptr(node);
+        node = indirect_to_ptr(node);
 
         height = node->height;
         if (index > radix_tree_maxindex(height))
@@ -393,7 +402,7 @@ static void *radix_tree_lookup_element(struct radix_tree_root *root,
                 height--;
         } while (height > 0);
 
-        return is_slot ? (void *)slot:node;
+        return is_slot ? (void *)slot : indirect_to_ptr(node);
 }
 
 /**
@@ -455,7 +464,7 @@ void *radix_tree_tag_set(struct radix_tree_root *root,
         height = root->height;
         BUG_ON(index > radix_tree_maxindex(height));
 
-        slot = radix_tree_indirect_to_ptr(root->rnode);
+        slot = indirect_to_ptr(root->rnode);
         shift = (height - 1) * RADIX_TREE_MAP_SHIFT;
 
         while (height > 0) {
@@ -509,7 +518,7 @@ void *radix_tree_tag_clear(struct radix_tree_root *root,
 
         shift = (height - 1) * RADIX_TREE_MAP_SHIFT;
         pathp->node = NULL;
-        slot = radix_tree_indirect_to_ptr(root->rnode);
+        slot = indirect_to_ptr(root->rnode);
 
         while (height > 0) {
                 int offset;
@@ -579,7 +588,7 @@ int radix_tree_tag_get(struct radix_tree_root *root,
 
         if (!radix_tree_is_indirect_ptr(node))
                 return (index == 0);
-        node = radix_tree_indirect_to_ptr(node);
+        node = indirect_to_ptr(node);
 
         height = node->height;
         if (index > radix_tree_maxindex(height))
@@ -666,7 +675,7 @@ unsigned long radix_tree_range_tag_if_tagged(struct radix_tree_root *root,
         }
 
         shift = (height - 1) * RADIX_TREE_MAP_SHIFT;
-        slot = radix_tree_indirect_to_ptr(root->rnode);
+        slot = indirect_to_ptr(root->rnode);
 
         /*
          * we fill the path from (root->height - 2) to 0, leaving the index at
@@ -897,7 +906,7 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
                 results[0] = node;
                 return 1;
         }
-        node = radix_tree_indirect_to_ptr(node);
+        node = indirect_to_ptr(node);
 
         max_index = radix_tree_maxindex(node->height);
 
@@ -916,7 +925,8 @@ radix_tree_gang_lookup(struct radix_tree_root *root, void **results,
                         slot = *(((void ***)results)[ret + i]);
                         if (!slot)
                                 continue;
-                        results[ret + nr_found] = rcu_dereference_raw(slot);
+                        results[ret + nr_found] =
+                                indirect_to_ptr(rcu_dereference_raw(slot));
                         nr_found++;
                 }
                 ret += nr_found;
@@ -965,7 +975,7 @@ radix_tree_gang_lookup_slot(struct radix_tree_root *root, void ***results,
                 results[0] = (void **)&root->rnode;
                 return 1;
         }
-        node = radix_tree_indirect_to_ptr(node);
+        node = indirect_to_ptr(node);
 
         max_index = radix_tree_maxindex(node->height);
 
@@ -1090,7 +1100,7 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results,
                 results[0] = node;
                 return 1;
         }
-        node = radix_tree_indirect_to_ptr(node);
+        node = indirect_to_ptr(node);
 
         max_index = radix_tree_maxindex(node->height);
 
@@ -1109,7 +1119,8 @@ radix_tree_gang_lookup_tag(struct radix_tree_root *root, void **results,
                         slot = *(((void ***)results)[ret + i]);
                         if (!slot)
                                 continue;
-                        results[ret + nr_found] = rcu_dereference_raw(slot);
+                        results[ret + nr_found] =
+                                indirect_to_ptr(rcu_dereference_raw(slot));
                         nr_found++;
                 }
                 ret += nr_found;
@@ -1159,7 +1170,7 @@ radix_tree_gang_lookup_tag_slot(struct radix_tree_root *root, void ***results,
                 results[0] = (void **)&root->rnode;
                 return 1;
         }
-        node = radix_tree_indirect_to_ptr(node);
+        node = indirect_to_ptr(node);
 
         max_index = radix_tree_maxindex(node->height);
 
@@ -1195,7 +1206,7 @@ static inline void radix_tree_shrink(struct radix_tree_root *root)
                 void *newptr;
 
                 BUG_ON(!radix_tree_is_indirect_ptr(to_free));
-                to_free = radix_tree_indirect_to_ptr(to_free);
+                to_free = indirect_to_ptr(to_free);
 
                 /*
                  * The candidate node has more than one child, or its child
@@ -1208,16 +1219,39 @@ static inline void radix_tree_shrink(struct radix_tree_root *root)
 
                 /*
                  * We don't need rcu_assign_pointer(), since we are simply
-                 * moving the node from one part of the tree to another. If
-                 * it was safe to dereference the old pointer to it
+                 * moving the node from one part of the tree to another: if it
+                 * was safe to dereference the old pointer to it
                  * (to_free->slots[0]), it will be safe to dereference the new
-                 * one (root->rnode).
+                 * one (root->rnode) as far as dependent read barriers go.
                  */
                 newptr = to_free->slots[0];
                 if (root->height > 1)
-                        newptr = radix_tree_ptr_to_indirect(newptr);
+                        newptr = ptr_to_indirect(newptr);
                 root->rnode = newptr;
                 root->height--;
+
+                /*
+                 * We have a dilemma here. The node's slot[0] must not be
+                 * NULLed in case there are concurrent lookups expecting to
+                 * find the item. However if this was a bottom-level node,
+                 * then it may be subject to the slot pointer being visible
+                 * to callers dereferencing it. If item corresponding to
+                 * slot[0] is subsequently deleted, these callers would expect
+                 * their slot to become empty sooner or later.
+                 *
+                 * For example, lockless pagecache will look up a slot, deref
+                 * the page pointer, and if the page is 0 refcount it means it
+                 * was concurrently deleted from pagecache so try the deref
+                 * again. Fortunately there is already a requirement for logic
+                 * to retry the entire slot lookup -- the indirect pointer
+                 * problem (replacing direct root node with an indirect pointer
+                 * also results in a stale slot). So tag the slot as indirect
+                 * to force callers to retry.
+                 */
+                if (root->height == 0)
+                        *((unsigned long *)&to_free->slots[0]) |=
+                                                RADIX_TREE_INDIRECT_PTR;
+
                 radix_tree_node_free(to_free);
         }
 }
@@ -1254,7 +1288,7 @@ void *radix_tree_delete(struct radix_tree_root *root, unsigned long index)
                 root->rnode = NULL;
                 goto out;
         }
-        slot = radix_tree_indirect_to_ptr(slot);
+        slot = indirect_to_ptr(slot);
 
         shift = (height - 1) * RADIX_TREE_MAP_SHIFT;
         pathp->node = NULL;
@@ -1296,8 +1330,7 @@ void *radix_tree_delete(struct radix_tree_root *root, unsigned long index)
                         radix_tree_node_free(to_free);
 
                 if (pathp->node->count) {
-                        if (pathp->node ==
-                                        radix_tree_indirect_to_ptr(root->rnode))
+                        if (pathp->node == indirect_to_ptr(root->rnode))
                                 radix_tree_shrink(root);
                         goto out;
                 }
diff --git a/mm/filemap.c b/mm/filemap.c
index 75572b5f2374..ea89840fc65f 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -644,7 +644,9 @@ repeat:
         pagep = radix_tree_lookup_slot(&mapping->page_tree, offset);
         if (pagep) {
                 page = radix_tree_deref_slot(pagep);
-                if (unlikely(!page || page == RADIX_TREE_RETRY))
+                if (unlikely(!page))
+                        goto out;
+                if (radix_tree_deref_retry(page))
                         goto repeat;
 
                 if (!page_cache_get_speculative(page))
@@ -660,6 +662,7 @@ repeat:
                         goto repeat;
                 }
         }
+out:
         rcu_read_unlock();
 
         return page;
@@ -777,12 +780,11 @@ repeat:
                 page = radix_tree_deref_slot((void **)pages[i]);
                 if (unlikely(!page))
                         continue;
-                /*
-                 * this can only trigger if nr_found == 1, making livelock
-                 * a non issue.
-                 */
-                if (unlikely(page == RADIX_TREE_RETRY))
+                if (radix_tree_deref_retry(page)) {
+                        if (ret)
+                                start = pages[ret-1]->index;
                         goto restart;
+                }
 
                 if (!page_cache_get_speculative(page))
                         goto repeat;
@@ -830,11 +832,7 @@ repeat:
                 page = radix_tree_deref_slot((void **)pages[i]);
                 if (unlikely(!page))
                         continue;
-                /*
-                 * this can only trigger if nr_found == 1, making livelock
-                 * a non issue.
-                 */
-                if (unlikely(page == RADIX_TREE_RETRY))
+                if (radix_tree_deref_retry(page))
                         goto restart;
 
                 if (page->mapping == NULL || page->index != index)
@@ -887,11 +885,7 @@ repeat:
                 page = radix_tree_deref_slot((void **)pages[i]);
                 if (unlikely(!page))
                         continue;
-                /*
-                 * this can only trigger if nr_found == 1, making livelock
-                 * a non issue.
-                 */
-                if (unlikely(page == RADIX_TREE_RETRY))
+                if (radix_tree_deref_retry(page))
                         goto restart;
 
                 if (!page_cache_get_speculative(page))
@@ -1029,6 +1023,9 @@ find_page:
                                 goto page_not_up_to_date;
                         if (!trylock_page(page))
                                 goto page_not_up_to_date;
+                        /* Did it get truncated before we got the lock? */
+                        if (!page->mapping)
+                                goto page_not_up_to_date_locked;
                         if (!mapping->a_ops->is_partially_uptodate(page,
                                                                 desc, offset))
                                 goto page_not_up_to_date_locked;
@@ -1563,8 +1560,10 @@ retry_find:
                         goto no_cached_page;
         }
 
-        if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags))
+        if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) {
+                page_cache_release(page);
                 return ret | VM_FAULT_RETRY;
+        }
 
         /* Did it get truncated? */
         if (unlikely(page->mapping != mapping)) {
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 9a99cfaf0a19..2efa8ea07ff7 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4208,15 +4208,17 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
 
         memset(mem, 0, size);
         mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
-        if (!mem->stat) {
-                if (size < PAGE_SIZE)
-                        kfree(mem);
-                else
-                        vfree(mem);
-                mem = NULL;
-        }
+        if (!mem->stat)
+                goto out_free;
         spin_lock_init(&mem->pcp_counter_lock);
         return mem;
+
+out_free:
+        if (size < PAGE_SIZE)
+                kfree(mem);
+        else
+                vfree(mem);
+        return NULL;
 }
 
 /*
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 2d1bf7cf8851..4c5133873097 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -211,6 +211,7 @@ success:
         mmu_notifier_invalidate_range_end(mm, start, end);
         vm_stat_account(mm, oldflags, vma->vm_file, -nrpages);
         vm_stat_account(mm, newflags, vma->vm_file, nrpages);
+        perf_event_mmap(vma);
         return 0;
 
 fail:
@@ -299,7 +300,6 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len,
                 error = mprotect_fixup(vma, &prev, nstart, tmp, newflags);
                 if (error)
                         goto out;
-                perf_event_mmap(vma);
                 nstart = tmp;
 
                 if (nstart < prev->vm_end)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index b8a6fdc21312..d31d7ce52c0e 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -913,7 +913,7 @@ keep_lumpy:
          * back off and wait for congestion to clear because further reclaim
          * will encounter the same problem
          */
-        if (nr_dirty == nr_congested)
+        if (nr_dirty == nr_congested && nr_dirty != 0)
                 zone_set_flag(zone, ZONE_CONGESTED);
 
         free_page_list(&free_pages);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index cd2e42be7b68..42eac4d33216 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -949,7 +949,7 @@ static void *vmstat_start(struct seq_file *m, loff_t *pos)
         v[PGPGIN] /= 2;         /* sectors -> kbytes */
         v[PGPGOUT] /= 2;
 #endif
-        return m->private + *pos;
+        return (unsigned long *)m->private + *pos;
 }
 
 static void *vmstat_next(struct seq_file *m, void *arg, loff_t *pos)
diff --git a/net/caif/caif_config_util.c b/net/caif/caif_config_util.c
index 76ae68303d3a..d522d8c1703e 100644
--- a/net/caif/caif_config_util.c
+++ b/net/caif/caif_config_util.c
@@ -16,11 +16,18 @@ int connect_req_to_link_param(struct cfcnfg *cnfg,
 {
         struct dev_info *dev_info;
         enum cfcnfg_phy_preference pref;
+        int res;
+
         memset(l, 0, sizeof(*l));
-        l->priority = s->priority;
+        /* In caif protocol low value is high priority */
+        l->priority = CAIF_PRIO_MAX - s->priority + 1;
 
-        if (s->link_name[0] != '\0')
-                l->phyid = cfcnfg_get_named(cnfg, s->link_name);
+        if (s->ifindex != 0){
+                res = cfcnfg_get_id_from_ifi(cnfg, s->ifindex);
+                if (res < 0)
+                        return res;
+                l->phyid = res;
+        }
         else {
                 switch (s->link_selector) {
                 case CAIF_LINK_HIGH_BANDW:
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index b99369a055d1..a42a408306e4 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -307,6 +307,8 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what,
 
         case NETDEV_UNREGISTER:
                 caifd = caif_get(dev);
+                if (caifd == NULL)
+                        break;
                 netdev_info(dev, "unregister\n");
                 atomic_set(&caifd->state, what);
                 caif_device_destroy(dev);
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 2eca2dd0000f..1bf0cf503796 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -716,8 +716,7 @@ static int setsockopt(struct socket *sock,
 {
         struct sock *sk = sock->sk;
         struct caifsock *cf_sk = container_of(sk, struct caifsock, sk);
-        int prio, linksel;
-        struct ifreq ifreq;
+        int linksel;
 
         if (cf_sk->sk.sk_socket->state != SS_UNCONNECTED)
                 return -ENOPROTOOPT;
@@ -735,33 +734,6 @@ static int setsockopt(struct socket *sock,
                 release_sock(&cf_sk->sk);
                 return 0;
 
-        case SO_PRIORITY:
-                if (lvl != SOL_SOCKET)
-                        goto bad_sol;
-                if (ol < sizeof(int))
-                        return -EINVAL;
-                if (copy_from_user(&prio, ov, sizeof(int)))
-                        return -EINVAL;
-                lock_sock(&(cf_sk->sk));
-                cf_sk->conn_req.priority = prio;
-                release_sock(&cf_sk->sk);
-                return 0;
-
-        case SO_BINDTODEVICE:
-                if (lvl != SOL_SOCKET)
-                        goto bad_sol;
-                if (ol < sizeof(struct ifreq))
-                        return -EINVAL;
-                if (copy_from_user(&ifreq, ov, sizeof(ifreq)))
-                        return -EFAULT;
-                lock_sock(&(cf_sk->sk));
-                strncpy(cf_sk->conn_req.link_name, ifreq.ifr_name,
-                        sizeof(cf_sk->conn_req.link_name));
-                cf_sk->conn_req.link_name
-                        [sizeof(cf_sk->conn_req.link_name)-1] = 0;
-                release_sock(&cf_sk->sk);
-                return 0;
-
         case CAIFSO_REQ_PARAM:
                 if (lvl != SOL_CAIF)
                         goto bad_sol;
@@ -880,6 +852,18 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr,
         sock->state = SS_CONNECTING;
         sk->sk_state = CAIF_CONNECTING;
 
+        /* Check priority value comming from socket */
+        /* if priority value is out of range it will be ajusted */
+        if (cf_sk->sk.sk_priority > CAIF_PRIO_MAX)
+                cf_sk->conn_req.priority = CAIF_PRIO_MAX;
+        else if (cf_sk->sk.sk_priority < CAIF_PRIO_MIN)
+                cf_sk->conn_req.priority = CAIF_PRIO_MIN;
+        else
+                cf_sk->conn_req.priority = cf_sk->sk.sk_priority;
+
+        /*ifindex = id of the interface.*/
+        cf_sk->conn_req.ifindex = cf_sk->sk.sk_bound_dev_if;
+
         dbfs_atomic_inc(&cnt.num_connect_req);
         cf_sk->layer.receive = caif_sktrecv_cb;
         err = caif_connect_client(&cf_sk->conn_req,
@@ -905,6 +889,7 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr,
         cf_sk->maxframe = mtu - (headroom + tailroom);
         if (cf_sk->maxframe < 1) {
                 pr_warn("CAIF Interface MTU too small (%d)\n", dev->mtu);
+                err = -ENODEV;
                 goto out;
         }
 
@@ -1142,7 +1127,7 @@ static int caif_create(struct net *net, struct socket *sock, int protocol,
         set_rx_flow_on(cf_sk);
 
         /* Set default options on configuration */
-        cf_sk->conn_req.priority = CAIF_PRIO_NORMAL;
+        cf_sk->sk.sk_priority= CAIF_PRIO_NORMAL;
         cf_sk->conn_req.link_selector = CAIF_LINK_LOW_LATENCY;
         cf_sk->conn_req.protocol = protocol;
         /* Increase the number of sockets created. */
diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c
index 41adafd18914..21ede141018a 100644
--- a/net/caif/cfcnfg.c
+++ b/net/caif/cfcnfg.c
@@ -173,18 +173,15 @@ static struct cfcnfg_phyinfo *cfcnfg_get_phyinfo(struct cfcnfg *cnfg,
         return NULL;
 }
 
-int cfcnfg_get_named(struct cfcnfg *cnfg, char *name)
+
+int cfcnfg_get_id_from_ifi(struct cfcnfg *cnfg, int ifi)
 {
         int i;
-
-        /* Try to match with specified name */
-        for (i = 0; i < MAX_PHY_LAYERS; i++) {
-                if (cnfg->phy_layers[i].frm_layer != NULL
-                    && strcmp(cnfg->phy_layers[i].phy_layer->name,
-                              name) == 0)
-                        return cnfg->phy_layers[i].frm_layer->id;
-        }
-        return 0;
+        for (i = 0; i < MAX_PHY_LAYERS; i++)
+                if (cnfg->phy_layers[i].frm_layer != NULL &&
+                                cnfg->phy_layers[i].ifindex == ifi)
+                        return i;
+        return -ENODEV;
 }
 
 int cfcnfg_disconn_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer)
diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c
index 08f267a109aa..3cd8f978e309 100644
--- a/net/caif/cfctrl.c
+++ b/net/caif/cfctrl.c
@@ -361,11 +361,10 @@ void cfctrl_cancel_req(struct cflayer *layr, struct cflayer *adap_layer)
         struct cfctrl_request_info *p, *tmp;
         struct cfctrl *ctrl = container_obj(layr);
         spin_lock(&ctrl->info_list_lock);
-        pr_warn("enter\n");
 
         list_for_each_entry_safe(p, tmp, &ctrl->list, list) {
                 if (p->client_layer == adap_layer) {
-                        pr_warn("cancel req :%d\n", p->sequence_no);
+                        pr_debug("cancel req :%d\n", p->sequence_no);
                         list_del(&p->list);
                         kfree(p);
                 }
diff --git a/net/caif/cfdbgl.c b/net/caif/cfdbgl.c
index 496fda9ac66f..11a2af4c162a 100644
--- a/net/caif/cfdbgl.c
+++ b/net/caif/cfdbgl.c
@@ -12,6 +12,8 @@
 #include <net/caif/cfsrvl.h>
 #include <net/caif/cfpkt.h>
 
+#define container_obj(layr) ((struct cfsrvl *) layr)
+
 static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt);
 static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt);
 
@@ -38,5 +40,17 @@ static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt)
 
 static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt)
 {
+        struct cfsrvl *service = container_obj(layr);
+        struct caif_payload_info *info;
+        int ret;
+
+        if (!cfsrvl_ready(service, &ret))
+                return ret;
+
+        /* Add info for MUX-layer to route the packet out */
+        info = cfpkt_info(pkt);
+        info->channel_id = service->layer.id;
+        info->dev_info = &service->dev_info;
+
         return layr->dn->transmit(layr->dn, pkt);
 }
diff --git a/net/caif/cfrfml.c b/net/caif/cfrfml.c
index bde8481e8d25..e2fb5fa75795 100644
--- a/net/caif/cfrfml.c
+++ b/net/caif/cfrfml.c
@@ -193,7 +193,7 @@ out:
 
 static int cfrfml_transmit_segment(struct cfrfml *rfml, struct cfpkt *pkt)
 {
-        caif_assert(cfpkt_getlen(pkt) >= rfml->fragment_size);
+        caif_assert(cfpkt_getlen(pkt) < rfml->fragment_size);
 
         /* Add info for MUX-layer to route the packet out. */
         cfpkt_info(pkt)->channel_id = rfml->serv.layer.id;
diff --git a/net/core/dev.c b/net/core/dev.c
index 35dfb8318483..0dd54a69dace 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2131,7 +2131,7 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev,
         } else {
                 struct sock *sk = skb->sk;
                 queue_index = sk_tx_queue_get(sk);
-                if (queue_index < 0) {
+                if (queue_index < 0 || queue_index >= dev->real_num_tx_queues) {
 
                         queue_index = 0;
                         if (dev->real_num_tx_queues > 1)
diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index a29edf2219c8..c079cc0ec651 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -47,11 +47,8 @@ extern int fib_detect_death(struct fib_info *fi, int order,
 static inline void fib_result_assign(struct fib_result *res,
                                      struct fib_info *fi)
 {
-        if (res->fi != NULL)
-                fib_info_put(res->fi);
+        /* we used to play games with refcounts, but we now use RCU */
         res->fi = fi;
-        if (fi != NULL)
-                atomic_inc(&fi->fib_clntref);
 }
 
 #endif /* _FIB_LOOKUP_H */
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index ba8042665849..2ada17129fce 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -490,9 +490,11 @@ static int inet_csk_diag_dump(struct sock *sk,
 {
         struct inet_diag_req *r = NLMSG_DATA(cb->nlh);
 
-        if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) {
+        if (nlmsg_attrlen(cb->nlh, sizeof(*r))) {
                 struct inet_diag_entry entry;
-                struct rtattr *bc = (struct rtattr *)(r + 1);
+                const struct nlattr *bc = nlmsg_find_attr(cb->nlh,
+                                                          sizeof(*r),
+                                                          INET_DIAG_REQ_BYTECODE);
                 struct inet_sock *inet = inet_sk(sk);
 
                 entry.family = sk->sk_family;
@@ -512,7 +514,7 @@ static int inet_csk_diag_dump(struct sock *sk,
                 entry.dport = ntohs(inet->inet_dport);
                 entry.userlocks = sk->sk_userlocks;
 
-                if (!inet_diag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry))
+                if (!inet_diag_bc_run(nla_data(bc), nla_len(bc), &entry))
                         return 0;
         }
 
@@ -527,9 +529,11 @@ static int inet_twsk_diag_dump(struct inet_timewait_sock *tw,
 {
         struct inet_diag_req *r = NLMSG_DATA(cb->nlh);
 
-        if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) {
+        if (nlmsg_attrlen(cb->nlh, sizeof(*r))) {
                 struct inet_diag_entry entry;
-                struct rtattr *bc = (struct rtattr *)(r + 1);
+                const struct nlattr *bc = nlmsg_find_attr(cb->nlh,
+                                                          sizeof(*r),
+                                                          INET_DIAG_REQ_BYTECODE);
 
                 entry.family = tw->tw_family;
 #if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
@@ -548,7 +552,7 @@ static int inet_twsk_diag_dump(struct inet_timewait_sock *tw,
                 entry.dport = ntohs(tw->tw_dport);
                 entry.userlocks = 0;
 
-                if (!inet_diag_bc_run(RTA_DATA(bc), RTA_PAYLOAD(bc), &entry))
+                if (!inet_diag_bc_run(nla_data(bc), nla_len(bc), &entry))
                         return 0;
         }
 
@@ -618,7 +622,7 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
         struct inet_diag_req *r = NLMSG_DATA(cb->nlh);
         struct inet_connection_sock *icsk = inet_csk(sk);
         struct listen_sock *lopt;
-        struct rtattr *bc = NULL;
+        const struct nlattr *bc = NULL;
         struct inet_sock *inet = inet_sk(sk);
         int j, s_j;
         int reqnum, s_reqnum;
@@ -638,8 +642,9 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
         if (!lopt || !lopt->qlen)
                 goto out;
 
-        if (cb->nlh->nlmsg_len > 4 + NLMSG_SPACE(sizeof(*r))) {
-                bc = (struct rtattr *)(r + 1);
+        if (nlmsg_attrlen(cb->nlh, sizeof(*r))) {
+                bc = nlmsg_find_attr(cb->nlh, sizeof(*r),
+                                     INET_DIAG_REQ_BYTECODE);
                 entry.sport = inet->inet_num;
                 entry.userlocks = sk->sk_userlocks;
         }
@@ -672,8 +677,8 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
                                         &ireq->rmt_addr;
                                 entry.dport = ntohs(ireq->rmt_port);
 
-                                if (!inet_diag_bc_run(RTA_DATA(bc),
-                                                    RTA_PAYLOAD(bc), &entry))
+                                if (!inet_diag_bc_run(nla_data(bc),
+                                                      nla_len(bc), &entry))
                                         continue;
                         }
 
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 3cad2591ace0..3fac340a28d5 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -927,6 +927,7 @@ static int get_info(struct net *net, void __user *user,
                         private = &tmp;
                 }
 #endif
+                memset(&info, 0, sizeof(info));
                 info.valid_hooks = t->valid_hooks;
                 memcpy(info.hook_entry, private->hook_entry,
                        sizeof(info.hook_entry));
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index d31b007a6d80..a846d633b3b6 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1124,6 +1124,7 @@ static int get_info(struct net *net, void __user *user,
                         private = &tmp;
                 }
 #endif
+                memset(&info, 0, sizeof(info));
                 info.valid_hooks = t->valid_hooks;
                 memcpy(info.hook_entry, private->hook_entry,
                        sizeof(info.hook_entry));
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 295c97431e43..c04787ce1a71 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -47,26 +47,6 @@ __nf_nat_proto_find(u_int8_t protonum)
         return rcu_dereference(nf_nat_protos[protonum]);
 }
 
-static const struct nf_nat_protocol *
-nf_nat_proto_find_get(u_int8_t protonum)
-{
-        const struct nf_nat_protocol *p;
-
-        rcu_read_lock();
-        p = __nf_nat_proto_find(protonum);
-        if (!try_module_get(p->me))
-                p = &nf_nat_unknown_protocol;
-        rcu_read_unlock();
-
-        return p;
-}
-
-static void
-nf_nat_proto_put(const struct nf_nat_protocol *p)
-{
-        module_put(p->me);
-}
-
 /* We keep an extra hash for each conntrack, for fast searching. */
 static inline unsigned int
 hash_by_src(const struct net *net, u16 zone,
@@ -588,6 +568,26 @@ static struct nf_ct_ext_type nat_extend __read_mostly = {
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/nfnetlink_conntrack.h>
 
+static const struct nf_nat_protocol *
+nf_nat_proto_find_get(u_int8_t protonum)
+{
+        const struct nf_nat_protocol *p;
+
+        rcu_read_lock();
+        p = __nf_nat_proto_find(protonum);
+        if (!try_module_get(p->me))
+                p = &nf_nat_unknown_protocol;
+        rcu_read_unlock();
+
+        return p;
+}
+
+static void
+nf_nat_proto_put(const struct nf_nat_protocol *p)
+{
+        module_put(p->me);
+}
+
 static const struct nla_policy protonat_nla_policy[CTA_PROTONAT_MAX+1] = {
         [CTA_PROTONAT_PORT_MIN] = { .type = NLA_U16 },
         [CTA_PROTONAT_PORT_MAX] = { .type = NLA_U16 },
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 51df035897e7..455582384ece 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1137,6 +1137,7 @@ static int get_info(struct net *net, void __user *user,
                         private = &tmp;
                 }
 #endif
+                memset(&info, 0, sizeof(info));
                 info.valid_hooks = t->valid_hooks;
                 memcpy(info.hook_entry, private->hook_entry,
                        sizeof(info.hook_entry));
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 25661f968f3f..fc328339be99 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2741,6 +2741,7 @@ static void __net_exit ip6_route_net_exit(struct net *net)
         kfree(net->ipv6.ip6_prohibit_entry);
         kfree(net->ipv6.ip6_blk_hole_entry);
 #endif
+        dst_entries_destroy(&net->ipv6.ip6_dst_ops);
 }
 
 static struct pernet_operations ip6_route_net_ops = {
@@ -2832,5 +2833,6 @@ void ip6_route_cleanup(void)
         xfrm6_fini();
         fib6_gc_cleanup();
         unregister_pernet_subsys(&ip6_route_net_ops);
+        dst_entries_destroy(&ip6_dst_blackhole_ops);
         kmem_cache_destroy(ip6_dst_ops_template.kmem_cachep);
 }
diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c
index 104ec3b283d4..b8dbae82fab8 100644
--- a/net/l2tp/l2tp_debugfs.c
+++ b/net/l2tp/l2tp_debugfs.c
@@ -249,7 +249,7 @@ static int l2tp_dfs_seq_open(struct inode *inode, struct file *file)
         struct seq_file *seq;
         int rc = -ENOMEM;
 
-        pd = kzalloc(GFP_KERNEL, sizeof(*pd));
+        pd = kzalloc(sizeof(*pd), GFP_KERNEL);
         if (pd == NULL)
                 goto out;
 
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 1eacf8d9966a..27a5ea6b6a0f 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1312,7 +1312,8 @@ void *nf_ct_alloc_hashtable(unsigned int *sizep, int *vmalloced, int nulls)
         if (!hash) {
                 *vmalloced = 1;
                 printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n");
-                hash = __vmalloc(sz, GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL);
+                hash = __vmalloc(sz, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
+                                 PAGE_KERNEL);
         }
 
         if (hash && nulls)
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index ed6d92958023..dc7bb74110df 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -292,6 +292,12 @@ int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *l4proto)
 
                 for (i = 0; i < MAX_NF_CT_PROTO; i++)
                         proto_array[i] = &nf_conntrack_l4proto_generic;
+
+                /* Before making proto_array visible to lockless readers,
+                 * we must make sure its content is committed to memory.
+                 */
+                smp_wmb();
+
                 nf_ct_protos[l4proto->l3proto] = proto_array;
         } else if (nf_ct_protos[l4proto->l3proto][l4proto->l4proto] !=
                                         &nf_conntrack_l4proto_generic) {
diff --git a/net/rds/loop.c b/net/rds/loop.c
index c390156b426f..aeec1d483b17 100644
--- a/net/rds/loop.c
+++ b/net/rds/loop.c
@@ -134,8 +134,12 @@ static int rds_loop_conn_alloc(struct rds_connection *conn, gfp_t gfp)
 static void rds_loop_conn_free(void *arg)
 {
         struct rds_loop_connection *lc = arg;
+        unsigned long flags;
+
         rdsdebug("lc %p\n", lc);
+        spin_lock_irqsave(&loop_conns_lock, flags);
         list_del(&lc->loop_node);
+        spin_unlock_irqrestore(&loop_conns_lock, flags);
         kfree(lc);
 }
 
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index 08a8c6cf2d10..8e0a32001c90 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -221,7 +221,13 @@ static int rds_tcp_conn_alloc(struct rds_connection *conn, gfp_t gfp)
 static void rds_tcp_conn_free(void *arg)
 {
         struct rds_tcp_connection *tc = arg;
+        unsigned long flags;
         rdsdebug("freeing tc %p\n", tc);
+
+        spin_lock_irqsave(&rds_tcp_conn_lock, flags);
+        list_del(&tc->t_tcp_node);
+        spin_unlock_irqrestore(&rds_tcp_conn_lock, flags);
+
         kmem_cache_free(rds_tcp_conn_slab, tc);
 }
 
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 37dff78e9cb1..d49c40fb7e09 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -34,8 +34,6 @@ struct cgroup_subsys net_cls_subsys = {
         .populate       = cgrp_populate,
 #ifdef CONFIG_NET_CLS_CGROUP
         .subsys_id      = net_cls_subsys_id,
-#else
-#define net_cls_subsys_id net_cls_subsys.subsys_id
 #endif
         .module         = THIS_MODULE,
 };
diff --git a/net/sched/em_text.c b/net/sched/em_text.c
index 763253257411..ea8f566e720c 100644
--- a/net/sched/em_text.c
+++ b/net/sched/em_text.c
@@ -103,7 +103,8 @@ retry:
 
 static void em_text_destroy(struct tcf_proto *tp, struct tcf_ematch *m)
 {
-        textsearch_destroy(EM_TEXT_PRIV(m)->config);
+        if (EM_TEXT_PRIV(m) && EM_TEXT_PRIV(m)->config)
+                textsearch_destroy(EM_TEXT_PRIV(m)->config);
 }
 
 static int em_text_dump(struct sk_buff *skb, struct tcf_ematch *m)
diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index 771bab00754b..3a8c4c419cd4 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -134,15 +134,15 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities,
                 case X25_FAC_CLASS_D:
                         switch (*p) {
                         case X25_FAC_CALLING_AE:
-                                if (p[1] > X25_MAX_DTE_FACIL_LEN)
-                                        break;
+                                if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
+                                        return 0;
                                 dte_facs->calling_len = p[2];
                                 memcpy(dte_facs->calling_ae, &p[3], p[1] - 1);
                                 *vc_fac_mask |= X25_MASK_CALLING_AE;
                                 break;
                         case X25_FAC_CALLED_AE:
-                                if (p[1] > X25_MAX_DTE_FACIL_LEN)
-                                        break;
+                                if (p[1] > X25_MAX_DTE_FACIL_LEN || p[1] <= 1)
+                                        return 0;
                                 dte_facs->called_len = p[2];
                                 memcpy(dte_facs->called_ae, &p[3], p[1] - 1);
                                 *vc_fac_mask |= X25_MASK_CALLED_AE;
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 63178961efac..f729f022be69 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -119,6 +119,8 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
                                                 &x25->vc_facil_mask);
                         if (len > 0)
                                 skb_pull(skb, len);
+                        else
+                                return -1;
                         /*
                          *      Copy any Call User Data.
                          */
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index c0efe102d655..af6e9f3de950 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -875,7 +875,7 @@ const char *sym_expand_string_value(const char *in)
                         symval = sym_get_string_value(sym);
                 }
 
-                newlen = strlen(res) + strlen(symval) + strlen(src);
+                newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
                 if (newlen > reslen) {
                         reslen = newlen;
                         res = realloc(res, reslen);
diff --git a/security/Kconfig b/security/Kconfig
index bd72ae623494..e80da955e687 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -39,6 +39,18 @@ config KEYS_DEBUG_PROC_KEYS
 
           If you are unsure as to whether this is required, answer N.
 
+config SECURITY_DMESG_RESTRICT
+        bool "Restrict unprivileged access to the kernel syslog"
+        default n
+        help
+          This enforces restrictions on unprivileged users reading the kernel
+          syslog via dmesg(8).
+
+          If this option is not selected, no restrictions will be enforced
+          unless the dmesg_restrict sysctl is explicitly set to (1).
+
+          If you are unsure how to answer this question, answer N.
+
 config SECURITY
         bool "Enable different security models"
         depends on SYSFS
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index cf1de4462ccd..b7106f192b75 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -922,7 +922,7 @@ static int __init apparmor_init(void)
         error = register_security(&apparmor_ops);
         if (error) {
                 AA_ERROR("Unable to register AppArmor\n");
-                goto register_security_out;
+                goto set_init_cxt_out;
         }
 
         /* Report that AppArmor successfully initialized */
@@ -936,6 +936,9 @@ static int __init apparmor_init(void)
 
         return error;
 
+set_init_cxt_out:
+        aa_free_task_context(current->real_cred->security);
+
 register_security_out:
         aa_free_root_ns();
 
@@ -944,7 +947,6 @@ alloc_out:
 
         apparmor_enabled = 0;
         return error;
-
 }
 
 security_initcall(apparmor_init);
diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c
index 52cc865f1464..4f0eadee78b8 100644
--- a/security/apparmor/policy.c
+++ b/security/apparmor/policy.c
@@ -306,7 +306,7 @@ static struct aa_namespace *alloc_namespace(const char *prefix,
         return ns;
 
 fail_unconfined:
-        kzfree(ns->base.name);
+        kzfree(ns->base.hname);
 fail_ns:
         kzfree(ns);
         return NULL;
diff --git a/security/commoncap.c b/security/commoncap.c
index 5e632b4857e4..04b80f9912bf 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -895,6 +895,8 @@ int cap_syslog(int type, bool from_file)
 {
         if (type != SYSLOG_ACTION_OPEN && from_file)
                 return 0;
+        if (dmesg_restrict && !capable(CAP_SYS_ADMIN))
+                return -EPERM;
         if ((type != SYSLOG_ACTION_READ_ALL &&
              type != SYSLOG_ACTION_SIZE_BUFFER) && !capable(CAP_SYS_ADMIN))
                 return -EPERM;
diff --git a/sound/pci/asihpi/hpi6000.c b/sound/pci/asihpi/hpi6000.c
index f7e374ec4414..1b9bf9395cfe 100644
--- a/sound/pci/asihpi/hpi6000.c
+++ b/sound/pci/asihpi/hpi6000.c
@@ -625,6 +625,8 @@ static short create_adapter_obj(struct hpi_adapter_obj *pao,
                         control_cache_size, (struct hpi_control_cache_info *)
                         &phw->control_cache[0]
                         );
+                if (!phw->p_cache)
+                        pao->has_control_cache = 0;
         } else
                 pao->has_control_cache = 0;
 
diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c
index 22c5fc625533..2672f6591ceb 100644
--- a/sound/pci/asihpi/hpi6205.c
+++ b/sound/pci/asihpi/hpi6205.c
@@ -644,6 +644,8 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
                                 interface->control_cache.size_in_bytes,
                                 (struct hpi_control_cache_info *)
                                 p_control_cache_virtual);
+                        if (!phw->p_cache)
+                                err = HPI_ERROR_MEMORY_ALLOC;
                 }
                 if (!err) {
                         err = hpios_locked_mem_get_phys_addr(&phw->
diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c
index dda4f1c6f658..d67f4d3db911 100644
--- a/sound/pci/asihpi/hpicmn.c
+++ b/sound/pci/asihpi/hpicmn.c
@@ -571,14 +571,20 @@ struct hpi_control_cache *hpi_alloc_control_cache(const u32
 {
         struct hpi_control_cache *p_cache =
                 kmalloc(sizeof(*p_cache), GFP_KERNEL);
+        if (!p_cache)
+                return NULL;
+        p_cache->p_info =
+                kmalloc(sizeof(*p_cache->p_info) * number_of_controls,
+                        GFP_KERNEL);
+        if (!p_cache->p_info) {
+                kfree(p_cache);
+                return NULL;
+        }
         p_cache->cache_size_in_bytes = size_in_bytes;
         p_cache->control_count = number_of_controls;
         p_cache->p_cache =
                 (struct hpi_control_cache_single *)pDSP_control_buffer;
         p_cache->init = 0;
-        p_cache->p_info =
-                kmalloc(sizeof(*p_cache->p_info) * p_cache->control_count,
-                GFP_KERNEL);
         return p_cache;
 }
 
diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c
index 3e5ca8fb519f..e377287192aa 100644
--- a/sound/pci/cs46xx/dsp_spos.c
+++ b/sound/pci/cs46xx/dsp_spos.c
@@ -225,39 +225,25 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
 {
         struct dsp_spos_instance * ins = kzalloc(sizeof(struct dsp_spos_instance), GFP_KERNEL);
 
-        if (ins == NULL) 
+        if (ins == NULL)
                 return NULL;
 
         /* better to use vmalloc for this big table */
-        ins->symbol_table.nsymbols = 0;
         ins->symbol_table.symbols = vmalloc(sizeof(struct dsp_symbol_entry) *
                                             DSP_MAX_SYMBOLS);
-        ins->symbol_table.highest_frag_index = 0;
-
-        if (ins->symbol_table.symbols == NULL) {
+        ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
+        ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
+        if (!ins->symbol_table.symbols || !ins->code.data || !ins->modules) {
                 cs46xx_dsp_spos_destroy(chip);
                 goto error;
         }
-
+        ins->symbol_table.nsymbols = 0;
+        ins->symbol_table.highest_frag_index = 0;
         ins->code.offset = 0;
         ins->code.size = 0;
-        ins->code.data = kmalloc(DSP_CODE_BYTE_SIZE, GFP_KERNEL);
-
-        if (ins->code.data == NULL) {
-                cs46xx_dsp_spos_destroy(chip);
-                goto error;
-        }
-
         ins->nscb = 0;
         ins->ntask = 0;
-
         ins->nmodules = 0;
-        ins->modules = kmalloc(sizeof(struct dsp_module_desc) * DSP_MAX_MODULES, GFP_KERNEL);
-
-        if (ins->modules == NULL) {
-                cs46xx_dsp_spos_destroy(chip);
-                goto error;
-        }
 
         /* default SPDIF input sample rate
            to 48000 khz */
@@ -271,8 +257,8 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
 
         /* set left and right validity bits and
            default channel status */
-        ins->spdif_csuv_default = 
-                ins->spdif_csuv_stream =  
+        ins->spdif_csuv_default =
+                ins->spdif_csuv_stream =
          /* byte 0 */  ((unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF        & 0xff)) << 24) |
          /* byte 1 */  ((unsigned int)_wrap_all_bits( ((SNDRV_PCM_DEFAULT_CON_SPDIF >> 8) & 0xff)) << 16) |
          /* byte 3 */   (unsigned int)_wrap_all_bits(  (SNDRV_PCM_DEFAULT_CON_SPDIF >> 24) & 0xff) |
@@ -281,6 +267,9 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip)
         return ins;
 
 error:
+        kfree(ins->modules);
+        kfree(ins->code.data);
+        vfree(ins->symbol_table.symbols);
         kfree(ins);
         return NULL;
 }
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index 460fb2ef7e39..18af38ebf757 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -1166,6 +1166,7 @@ static const char *cs420x_models[CS420X_MODELS] = {
 
 static struct snd_pci_quirk cs420x_cfg_tbl[] = {
         SND_PCI_QUIRK(0x10de, 0x0ac0, "MacBookPro 5,3", CS420X_MBP53),
+        SND_PCI_QUIRK(0x10de, 0x0d94, "MacBookAir 3,1(2)", CS420X_MBP55),
         SND_PCI_QUIRK(0x10de, 0xcb79, "MacBookPro 5,5", CS420X_MBP55),
         SND_PCI_QUIRK(0x10de, 0xcb89, "MacBookPro 7,1", CS420X_MBP55),
         SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27),
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c
index ef9af3f4ace2..1bd7a540fd49 100644
--- a/sound/pci/lx6464es/lx6464es.c
+++ b/sound/pci/lx6464es/lx6464es.c
@@ -425,7 +425,7 @@ exit:
 static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream)
 {
         struct snd_pcm_substream *substream = lx_stream->stream;
-        const int is_capture = lx_stream->is_capture;
+        const unsigned int is_capture = lx_stream->is_capture;
 
         int err;
 
@@ -473,7 +473,7 @@ static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream)
 
 static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream)
 {
-        const int is_capture = lx_stream->is_capture;
+        const unsigned int is_capture = lx_stream->is_capture;
         int err;
 
         snd_printd(LXP "stopping: stopping stream\n");
diff --git a/sound/pci/lx6464es/lx6464es.h b/sound/pci/lx6464es/lx6464es.h
index 51afc048961d..aea621eafbb5 100644
--- a/sound/pci/lx6464es/lx6464es.h
+++ b/sound/pci/lx6464es/lx6464es.h
@@ -60,7 +60,7 @@ struct lx_stream {
         snd_pcm_uframes_t          frame_pos;
         enum lx_stream_status      status; /* free, open, running, draining
                                             * pause */
-        int                        is_capture:1;
+        unsigned int               is_capture:1;
 };
 
 
diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
index 3086b751da4a..617f98b0cbae 100644
--- a/sound/pci/lx6464es/lx_core.c
+++ b/sound/pci/lx6464es/lx_core.c
@@ -1152,7 +1152,7 @@ static int lx_interrupt_request_new_buffer(struct lx6464es *chip,
                                            struct lx_stream *lx_stream)
 {
         struct snd_pcm_substream *substream = lx_stream->stream;
-        int is_capture = lx_stream->is_capture;
+        const unsigned int is_capture = lx_stream->is_capture;
         int err;
         unsigned long flags;
 
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 94a9d06b9027..3b5690d28b8b 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -25,8 +25,9 @@ config SND_SOC_ALL_CODECS
         select SND_SOC_CQ0093VC if MFD_DAVINCI_VOICECODEC
         select SND_SOC_CS42L51 if I2C
         select SND_SOC_CS4270 if I2C
+        select SND_SOC_CX20442
         select SND_SOC_DA7210 if I2C
-        select SND_SOC_JZ4740 if SOC_JZ4740
+        select SND_SOC_JZ4740_CODEC if SOC_JZ4740
         select SND_SOC_MAX98088 if I2C
         select SND_SOC_MAX9877 if I2C
         select SND_SOC_PCM3008
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index d251ff54a2d3..c5ab8c805771 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -58,7 +58,7 @@
         (1000000000 / ((rate * 1000) / samples))
 
 #define US_TO_SAMPLES(rate, us) \
-        (rate / (1000000 / us))
+        (rate / (1000000 / (us < 1000000 ? us : 1000000)))
 
 #define UTHR_FROM_PERIOD_SIZE(samples, playrate, burstrate) \
         ((samples * 5000) / ((burstrate * 5000) / (burstrate - playrate)))
@@ -200,7 +200,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
                       u8 *value)
 {
         struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
-        int val;
+        int val, ret = 0;
 
         *value = reg & 0xff;
 
@@ -210,6 +210,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
                 if (val < 0) {
                         dev_err(codec->dev, "Read failed (%d)\n", val);
                         value[0] = dac33_read_reg_cache(codec, reg);
+                        ret = val;
                 } else {
                         value[0] = val;
                         dac33_write_reg_cache(codec, reg, val);
@@ -218,7 +219,7 @@ static int dac33_read(struct snd_soc_codec *codec, unsigned int reg,
                 value[0] = dac33_read_reg_cache(codec, reg);
         }
 
-        return 0;
+        return ret;
 }
 
 static int dac33_write(struct snd_soc_codec *codec, unsigned int reg,
@@ -329,13 +330,18 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
                     dac33_read_reg_cache(codec, DAC33_LINER_TO_RLO_VOL));
 }
 
-static inline void dac33_read_id(struct snd_soc_codec *codec)
+static inline int dac33_read_id(struct snd_soc_codec *codec)
 {
+        int i, ret = 0;
         u8 reg;
 
-        dac33_read(codec, DAC33_DEVICE_ID_MSB, &reg);
-        dac33_read(codec, DAC33_DEVICE_ID_LSB, &reg);
-        dac33_read(codec, DAC33_DEVICE_REV_ID, &reg);
+        for (i = 0; i < 3; i++) {
+                ret = dac33_read(codec, DAC33_DEVICE_ID_MSB + i, &reg);
+                if (ret < 0)
+                        break;
+        }
+
+        return ret;
 }
 
 static inline void dac33_soft_power(struct snd_soc_codec *codec, int power)
@@ -1076,6 +1082,9 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
                 /* Number of samples under i2c latency */
                 dac33->alarm_threshold = US_TO_SAMPLES(rate,
                                                 dac33->mode1_latency);
+                nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
+                                dac33->alarm_threshold;
+
                 if (dac33->auto_fifo_config) {
                         if (period_size <= dac33->alarm_threshold)
                                 /*
@@ -1086,6 +1095,8 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
                                        ((dac33->alarm_threshold / period_size) +
                                        (dac33->alarm_threshold % period_size ?
                                        1 : 0));
+                        else if (period_size > nsample_limit)
+                                dac33->nsample = nsample_limit;
                         else
                                 dac33->nsample = period_size;
                 } else {
@@ -1097,8 +1108,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream)
                          */
                         dac33->nsample_max = substream->runtime->buffer_size -
                                                 period_size;
-                        nsample_limit = DAC33_BUFFER_SIZE_SAMPLES -
-                                        dac33->alarm_threshold;
+
                         if (dac33->nsample_max > nsample_limit)
                                 dac33->nsample_max = nsample_limit;
 
@@ -1414,9 +1424,15 @@ static int dac33_soc_probe(struct snd_soc_codec *codec)
                 dev_err(codec->dev, "Failed to power up codec: %d\n", ret);
                 goto err_power;
         }
-        dac33_read_id(codec);
+        ret = dac33_read_id(codec);
         dac33_hard_power(codec, 0);
 
+        if (ret < 0) {
+                dev_err(codec->dev, "Failed to read chip ID: %d\n", ret);
+                ret = -ENODEV;
+                goto err_power;
+        }
+
         /* Check if the IRQ number is valid and request it */
         if (dac33->irq >= 0) {
                 ret = request_irq(dac33->irq, dac33_interrupt_handler,
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
index 329acc1a2074..ee4fb201de60 100644
--- a/sound/soc/codecs/tpa6130a2.c
+++ b/sound/soc/codecs/tpa6130a2.c
@@ -119,13 +119,13 @@ static int tpa6130a2_power(int power)
 {
         struct  tpa6130a2_data *data;
         u8      val;
-        int     ret;
+        int     ret = 0;
 
         BUG_ON(tpa6130a2_client == NULL);
         data = i2c_get_clientdata(tpa6130a2_client);
 
         mutex_lock(&data->mutex);
-        if (power) {
+        if (power && !data->power_state) {
                 /* Power on */
                 if (data->power_gpio >= 0)
                         gpio_set_value(data->power_gpio, 1);
@@ -153,7 +153,7 @@ static int tpa6130a2_power(int power)
                 val = tpa6130a2_read(TPA6130A2_REG_CONTROL);
                 val &= ~TPA6130A2_SWS;
                 tpa6130a2_i2c_write(TPA6130A2_REG_CONTROL, val);
-        } else {
+        } else if (!power && data->power_state) {
                 /* set SWS */
                 val = tpa6130a2_read(TPA6130A2_REG_CONTROL);
                 val |= TPA6130A2_SWS;
diff --git a/sound/soc/codecs/wm8900.c b/sound/soc/codecs/wm8900.c
index b4f11724a63f..aca4b1ea10bb 100644
--- a/sound/soc/codecs/wm8900.c
+++ b/sound/soc/codecs/wm8900.c
@@ -186,7 +186,6 @@ static int wm8900_volatile_register(unsigned int reg)
 {
         switch (reg) {
         case WM8900_REG_ID:
-        case WM8900_REG_POWER1:
                 return 1;
         default:
                 return 0;
@@ -1200,11 +1199,6 @@ static int wm8900_probe(struct snd_soc_codec *codec)
                 return -ENODEV;
         }
 
-        /* Read back from the chip */
-        reg = snd_soc_read(codec, WM8900_REG_POWER1);
-        reg = (reg >> 12) & 0xf;
-        dev_info(codec->dev, "WM8900 revision %d\n", reg);
-
         wm8900_reset(codec);
 
         /* Turn the chip on */
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 2cb81538cd91..19ca782ac970 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -123,7 +123,7 @@ static void calibrate_dc_servo(struct snd_soc_codec *codec)
                         reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
                         break;
                 default:
-                        WARN(1, "Unknown DCS readback method");
+                        WARN(1, "Unknown DCS readback method\n");
                         break;
                 }
 
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index a3bfb2e8b70f..73d0edd8ded9 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -79,7 +79,7 @@ static void tosa_ext_control(struct snd_soc_codec *codec)
 static int tosa_startup(struct snd_pcm_substream *substream)
 {
         struct snd_soc_pcm_runtime *rtd = substream->private_data;
-        struct snd_soc_codec *codec = rtd->card->codec;
+        struct snd_soc_codec *codec = rtd->codec;
 
         /* check the jack status at stream startup */
         tosa_ext_control(codec);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 1c8f3f507f54..614a8b30d87b 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -165,8 +165,11 @@ static ssize_t pmdown_time_set(struct device *dev,
 {
         struct snd_soc_pcm_runtime *rtd =
                         container_of(dev, struct snd_soc_pcm_runtime, dev);
+        int ret;
 
-        strict_strtol(buf, 10, &rtd->pmdown_time);
+        ret = strict_strtol(buf, 10, &rtd->pmdown_time);
+        if (ret)
+                return ret;
 
         return count;
 }
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 7dae05d8783e..782f741cd00a 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -60,7 +60,7 @@ static const struct rc_config {
         { USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
         { USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
         { USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
-        { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi */
+        { USB_ID(0x041e, 0x3042), 0, 1, 1, 1,  1,  0x000d }, /* Usb X-Fi S51 */
         { USB_ID(0x041e, 0x3048), 2, 2, 6, 6,  2,  0x6e91 }, /* Toshiba SB0500 */
 };
 
@@ -183,7 +183,13 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
         if (value > 1)
                 return -EINVAL;
         changed = value != mixer->audigy2nx_leds[index];
-        err = snd_usb_ctl_msg(mixer->chip->dev,
+        if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
+                err = snd_usb_ctl_msg(mixer->chip->dev,
+                              usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
+                              USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+                              !value, 0, NULL, 0, 100);
+        else
+                err = snd_usb_ctl_msg(mixer->chip->dev,
                               usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
                               value, index + 2, NULL, 0, 100);
@@ -225,8 +231,12 @@ static int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer)
         int i, err;
 
         for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) {
+                /* USB X-Fi S51 doesn't have a CMSS LED */
+                if ((mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) && i == 0)
+                        continue;
                 if (i > 1 && /* Live24ext has 2 LEDs only */
                         (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+                         mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
                          mixer->chip->usb_id == USB_ID(0x041e, 0x3048)))
                         break; 
                 err = snd_ctl_add(mixer->chip->card,
@@ -365,6 +375,7 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer)
 
         if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) ||
             mixer->chip->usb_id == USB_ID(0x041e, 0x3040) ||
+            mixer->chip->usb_id == USB_ID(0x041e, 0x3042) ||
             mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) {
                 if ((err = snd_audigy2nx_controls_create(mixer)) < 0)
                         return err;
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index cff3a3c465d7..4132522ac90f 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -676,8 +676,10 @@ static int snd_usb_pcm_check_knot(struct snd_pcm_runtime *runtime,
         if (!needs_knot)
                 return 0;
 
-        subs->rate_list.count = count;
         subs->rate_list.list = kmalloc(sizeof(int) * count, GFP_KERNEL);
+        if (!subs->rate_list.list)
+                return -ENOMEM;
+        subs->rate_list.count = count;
         subs->rate_list.mask = 0;
         count = 0;
         list_for_each_entry(fp, &subs->fmt_list, list) {
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt
index 122ec9dc4853..26aff6bf9e50 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -8,7 +8,11 @@ perf-trace - Read perf.data (created by perf record) and display trace output
 SYNOPSIS
 --------
 [verse]
-'perf trace' {record <script> | report <script> [args] }
+'perf trace' [<options>]
+'perf trace' [<options>] record <script> [<record-options>] <command>
+'perf trace' [<options>] report <script> [script-args]
+'perf trace' [<options>] <script> <required-script-args> [<record-options>] <command>
+'perf trace' [<options>] <top-script> [script-args]
 
 DESCRIPTION
 -----------
@@ -24,23 +28,53 @@ There are several variants of perf trace:
   available via 'perf trace -l').  The following variants allow you to
   record and run those scripts:
 
-  'perf trace record <script>' to record the events required for 'perf
-  trace report'.  <script> is the name displayed in the output of
-  'perf trace --list' i.e. the actual script name minus any language
-  extension.
+  'perf trace record <script> <command>' to record the events required
+  for 'perf trace report'.  <script> is the name displayed in the
+  output of 'perf trace --list' i.e. the actual script name minus any
+  language extension.  If <command> is not specified, the events are
+  recorded using the -a (system-wide) 'perf record' option.
 
-  'perf trace report <script>' to run and display the results of
-  <script>.  <script> is the name displayed in the output of 'perf
+  'perf trace report <script> [args]' to run and display the results
+  of <script>.  <script> is the name displayed in the output of 'perf
   trace --list' i.e. the actual script name minus any language
   extension.  The perf.data output from a previous run of 'perf trace
   record <script>' is used and should be present for this command to
-  succeed.
+  succeed.  [args] refers to the (mainly optional) args expected by
+  the script.
+
+  'perf trace <script> <required-script-args> <command>' to both
+  record the events required for <script> and to run the <script>
+  using 'live-mode' i.e. without writing anything to disk.  <script>
+  is the name displayed in the output of 'perf trace --list' i.e. the
+  actual script name minus any language extension.  If <command> is
+  not specified, the events are recorded using the -a (system-wide)
+  'perf record' option.  If <script> has any required args, they
+  should be specified before <command>.  This mode doesn't allow for
+  optional script args to be specified; if optional script args are
+  desired, they can be specified using separate 'perf trace record'
+  and 'perf trace report' commands, with the stdout of the record step
+  piped to the stdin of the report script, using the '-o -' and '-i -'
+  options of the corresponding commands.
+
+  'perf trace <top-script>' to both record the events required for
+  <top-script> and to run the <top-script> using 'live-mode'
+  i.e. without writing anything to disk.  <top-script> is the name
+  displayed in the output of 'perf trace --list' i.e. the actual
+  script name minus any language extension; a <top-script> is defined
+  as any script name ending with the string 'top'.
+
+  [<record-options>] can be passed to the record steps of 'perf trace
+  record' and 'live-mode' variants; this isn't possible however for
+  <top-script> 'live-mode' or 'perf trace report' variants.
 
   See the 'SEE ALSO' section for links to language-specific
   information on how to write and run your own trace scripts.
 
 OPTIONS
 -------
+<command>...::
+        Any command you can specify in a shell.
+
 -D::
 --dump-raw-trace=::
         Display verbose dump of the trace data.
@@ -64,6 +98,13 @@ OPTIONS
         Generate perf-trace.[ext] starter script for given language,
         using current perf.data.
 
+-a::
+        Force system-wide collection.  Scripts run without a <command>
+        normally use -a by default, while scripts run with a <command>
+        normally don't - this option allows the latter to be run in
+        system-wide mode.
+
+
 SEE ALSO
 --------
 linkperf:perf-record[1], linkperf:perf-trace-perl[1],
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 4e75583ddd6d..93bd2ff001fb 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -790,7 +790,7 @@ static const char * const record_usage[] = {
 
 static bool force, append_file;
 
-static const struct option options[] = {
+const struct option record_options[] = {
         OPT_CALLBACK('e', "event", NULL, "event",
                      "event selector. use 'perf list' to list available events",
                      parse_events),
@@ -839,16 +839,16 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
 {
         int i, j, err = -ENOMEM;
 
-        argc = parse_options(argc, argv, options, record_usage,
+        argc = parse_options(argc, argv, record_options, record_usage,
                             PARSE_OPT_STOP_AT_NON_OPTION);
         if (!argc && target_pid == -1 && target_tid == -1 &&
                 !system_wide && !cpu_list)
-                usage_with_options(record_usage, options);
+                usage_with_options(record_usage, record_options);
 
         if (force && append_file) {
                 fprintf(stderr, "Can't overwrite and append at the same time."
                                 " You need to choose between -f and -A");
-                usage_with_options(record_usage, options);
+                usage_with_options(record_usage, record_options);
         } else if (append_file) {
                 write_mode = WRITE_APPEND;
         } else {
@@ -871,7 +871,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
                 if (thread_num <= 0) {
                         fprintf(stderr, "Can't find all threads of pid %d\n",
                                         target_pid);
-                        usage_with_options(record_usage, options);
+                        usage_with_options(record_usage, record_options);
                 }
         } else {
                 all_tids=malloc(sizeof(pid_t));
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index b513e40974f4..dd625808c2a5 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -69,7 +69,6 @@ static int			target_tid			=     -1;
 static pid_t                    *all_tids                       =      NULL;
 static int                      thread_num                      =      0;
 static bool                     inherit                         =  false;
-static int                      profile_cpu                     =     -1;
 static int                      nr_cpus                         =      0;
 static int                      realtime_prio                   =      0;
 static bool                     group                           =  false;
@@ -558,13 +557,13 @@ static void print_sym_table(void)
         else
                 printf(" (all");
 
-        if (profile_cpu != -1)
-                printf(", cpu: %d)\n", profile_cpu);
+        if (cpu_list)
+                printf(", CPU%s: %s)\n", nr_cpus > 1 ? "s" : "", cpu_list);
         else {
                 if (target_tid != -1)
                         printf(")\n");
                 else
-                        printf(", %d CPUs)\n", nr_cpus);
+                        printf(", %d CPU%s)\n", nr_cpus, nr_cpus > 1 ? "s" : "");
         }
 
         printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
@@ -1187,11 +1186,10 @@ int group_fd;
 static void start_counter(int i, int counter)
 {
         struct perf_event_attr *attr;
-        int cpu;
+        int cpu = -1;
         int thread_index;
 
-        cpu = profile_cpu;
-        if (target_tid == -1 && profile_cpu == -1)
+        if (target_tid == -1)
                 cpu = cpumap[i];
 
         attr = attrs + counter;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 2f8df45c4dcb..86cfe3800e6b 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -10,6 +10,7 @@
 #include "util/symbol.h"
 #include "util/thread.h"
 #include "util/trace-event.h"
+#include "util/parse-options.h"
 #include "util/util.h"
 
 static char const               *script_name;
@@ -17,6 +18,7 @@ static char const		*generate_script_lang;
 static bool                     debug_mode;
 static u64                      last_timestamp;
 static u64                      nr_unordered;
+extern const struct option      record_options[];
 
 static int default_start_script(const char *script __unused,
                                 int argc __unused,
@@ -328,7 +330,7 @@ static struct script_desc *script_desc__new(const char *name)
 {
         struct script_desc *s = zalloc(sizeof(*s));
 
-        if (s != NULL)
+        if (s != NULL && name)
                 s->name = strdup(name);
 
         return s;
@@ -337,6 +339,8 @@ static struct script_desc *script_desc__new(const char *name)
 static void script_desc__delete(struct script_desc *s)
 {
         free(s->name);
+        free(s->half_liner);
+        free(s->args);
         free(s);
 }
 
@@ -537,8 +541,40 @@ static char *get_script_path(const char *script_root, const char *suffix)
         return path;
 }
 
+static bool is_top_script(const char *script_path)
+{
+        return ends_with((char *)script_path, "top") == NULL ? false : true;
+}
+
+static int has_required_arg(char *script_path)
+{
+        struct script_desc *desc;
+        int n_args = 0;
+        char *p;
+
+        desc = script_desc__new(NULL);
+
+        if (read_script_info(desc, script_path))
+                goto out;
+
+        if (!desc->args)
+                goto out;
+
+        for (p = desc->args; *p; p++)
+                if (*p == '<')
+                        n_args++;
+out:
+        script_desc__delete(desc);
+
+        return n_args;
+}
+
 static const char * const trace_usage[] = {
-        "perf trace [<options>] <command>",
+        "perf trace [<options>]",
+        "perf trace [<options>] record <script> [<record-options>] <command>",
+        "perf trace [<options>] report <script> [script-args]",
+        "perf trace [<options>] <script> [<record-options>] <command>",
+        "perf trace [<options>] <top-script> [script-args]",
         NULL
 };
 
@@ -564,50 +600,81 @@ static const struct option options[] = {
         OPT_END()
 };
 
+static bool have_cmd(int argc, const char **argv)
+{
+        char **__argv = malloc(sizeof(const char *) * argc);
+
+        if (!__argv)
+                die("malloc");
+        memcpy(__argv, argv, sizeof(const char *) * argc);
+        argc = parse_options(argc, (const char **)__argv, record_options,
+                             NULL, PARSE_OPT_STOP_AT_NON_OPTION);
+        free(__argv);
+
+        return argc != 0;
+}
+
 int cmd_trace(int argc, const char **argv, const char *prefix __used)
 {
+        char *rec_script_path = NULL;
+        char *rep_script_path = NULL;
         struct perf_session *session;
-        const char *suffix = NULL;
+        char *script_path = NULL;
         const char **__argv;
-        char *script_path;
-        int i, err;
+        bool system_wide;
+        int i, j, err;
 
-        if (argc >= 2 && strncmp(argv[1], "rec", strlen("rec")) == 0) {
-                if (argc < 3) {
-                        fprintf(stderr,
-                                "Please specify a record script\n");
-                        return -1;
-                }
-                suffix = RECORD_SUFFIX;
+        setup_scripting();
+
+        argc = parse_options(argc, argv, options, trace_usage,
+                             PARSE_OPT_STOP_AT_NON_OPTION);
+
+        if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
+                rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
+                if (!rec_script_path)
+                        return cmd_record(argc, argv, NULL);
         }
 
-        if (argc >= 2 && strncmp(argv[1], "rep", strlen("rep")) == 0) {
-                if (argc < 3) {
+        if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
+                rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
+                if (!rep_script_path) {
                         fprintf(stderr,
-                                "Please specify a report script\n");
+                                "Please specify a valid report script"
+                                "(see 'perf trace -l' for listing)\n");
                         return -1;
                 }
-                suffix = REPORT_SUFFIX;
         }
 
         /* make sure PERF_EXEC_PATH is set for scripts */
         perf_set_argv_exec_path(perf_exec_path());
 
-        if (!suffix && argc >= 2 && strncmp(argv[1], "-", strlen("-")) != 0) {
-                char *record_script_path, *report_script_path;
+        if (argc && !script_name && !rec_script_path && !rep_script_path) {
                 int live_pipe[2];
+                int rep_args;
                 pid_t pid;
 
-                record_script_path = get_script_path(argv[1], RECORD_SUFFIX);
-                if (!record_script_path) {
-                        fprintf(stderr, "record script not found\n");
-                        return -1;
+                rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
+                rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
+
+                if (!rec_script_path && !rep_script_path) {
+                        fprintf(stderr, " Couldn't find script %s\n\n See perf"
+                                " trace -l for available scripts.\n", argv[0]);
+                        usage_with_options(trace_usage, options);
                 }
 
-                report_script_path = get_script_path(argv[1], REPORT_SUFFIX);
-                if (!report_script_path) {
-                        fprintf(stderr, "report script not found\n");
-                        return -1;
+                if (is_top_script(argv[0])) {
+                        rep_args = argc - 1;
+                } else {
+                        int rec_args;
+
+                        rep_args = has_required_arg(rep_script_path);
+                        rec_args = (argc - 1) - rep_args;
+                        if (rec_args < 0) {
+                                fprintf(stderr, " %s script requires options."
+                                        "\n\n See perf trace -l for available "
+                                        "scripts and options.\n", argv[0]);
+                                usage_with_options(trace_usage, options);
+                        }
                 }
 
                 if (pipe(live_pipe) < 0) {
@@ -622,60 +689,84 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used)
                 }
 
                 if (!pid) {
+                        system_wide = true;
+                        j = 0;
+
                         dup2(live_pipe[1], 1);
                         close(live_pipe[0]);
 
-                        __argv = malloc(6 * sizeof(const char *));
-                        __argv[0] = "/bin/sh";
-                        __argv[1] = record_script_path;
-                        __argv[2] = "-q";
-                        __argv[3] = "-o";
-                        __argv[4] = "-";
-                        __argv[5] = NULL;
+                        if (!is_top_script(argv[0]))
+                                system_wide = !have_cmd(argc - rep_args,
+                                                        &argv[rep_args]);
+
+                        __argv = malloc((argc + 6) * sizeof(const char *));
+                        if (!__argv)
+                                die("malloc");
+
+                        __argv[j++] = "/bin/sh";
+                        __argv[j++] = rec_script_path;
+                        if (system_wide)
+                                __argv[j++] = "-a";
+                        __argv[j++] = "-q";
+                        __argv[j++] = "-o";
+                        __argv[j++] = "-";
+                        for (i = rep_args + 1; i < argc; i++)
+                                __argv[j++] = argv[i];
+                        __argv[j++] = NULL;
 
                         execvp("/bin/sh", (char **)__argv);
+                        free(__argv);
                         exit(-1);
                 }
 
                 dup2(live_pipe[0], 0);
                 close(live_pipe[1]);
 
-                __argv = malloc((argc + 3) * sizeof(const char *));
-                __argv[0] = "/bin/sh";
-                __argv[1] = report_script_path;
-                for (i = 2; i < argc; i++)
-                        __argv[i] = argv[i];
-                __argv[i++] = "-i";
-                __argv[i++] = "-";
-                __argv[i++] = NULL;
+                __argv = malloc((argc + 4) * sizeof(const char *));
+                if (!__argv)
+                        die("malloc");
+                j = 0;
+                __argv[j++] = "/bin/sh";
+                __argv[j++] = rep_script_path;
+                for (i = 1; i < rep_args + 1; i++)
+                        __argv[j++] = argv[i];
+                __argv[j++] = "-i";
+                __argv[j++] = "-";
+                __argv[j++] = NULL;
 
                 execvp("/bin/sh", (char **)__argv);
+                free(__argv);
                 exit(-1);
         }
 
-        if (suffix) {
-                script_path = get_script_path(argv[2], suffix);
-                if (!script_path) {
-                        fprintf(stderr, "script not found\n");
-                        return -1;
-                }
-
-                __argv = malloc((argc + 1) * sizeof(const char *));
-                __argv[0] = "/bin/sh";
-                __argv[1] = script_path;
-                for (i = 3; i < argc; i++)
-                        __argv[i - 1] = argv[i];
-                __argv[argc - 1] = NULL;
+        if (rec_script_path)
+                script_path = rec_script_path;
+        if (rep_script_path)
+                script_path = rep_script_path;
+
+        if (script_path) {
+                system_wide = false;
+                j = 0;
+
+                if (rec_script_path)
+                        system_wide = !have_cmd(argc - 1, &argv[1]);
+
+                __argv = malloc((argc + 2) * sizeof(const char *));
+                if (!__argv)
+                        die("malloc");
+                __argv[j++] = "/bin/sh";
+                __argv[j++] = script_path;
+                if (system_wide)
+                        __argv[j++] = "-a";
+                for (i = 2; i < argc; i++)
+                        __argv[j++] = argv[i];
+                __argv[j++] = NULL;
 
                 execvp("/bin/sh", (char **)__argv);
+                free(__argv);
                 exit(-1);
         }
 
-        setup_scripting();
-
-        argc = parse_options(argc, argv, options, trace_usage,
-                             PARSE_OPT_STOP_AT_NON_OPTION);
-
         if (symbol__init() < 0)
                 return -1;
         if (!script_name)
diff --git a/tools/perf/scripts/perl/bin/failed-syscalls-record b/tools/perf/scripts/perl/bin/failed-syscalls-record
index eb5846bcb565..8104895a7b67 100644
--- a/tools/perf/scripts/perl/bin/failed-syscalls-record
+++ b/tools/perf/scripts/perl/bin/failed-syscalls-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e raw_syscalls:sys_exit $@
+perf record -e raw_syscalls:sys_exit $@
diff --git a/tools/perf/scripts/perl/bin/rw-by-file-record b/tools/perf/scripts/perl/bin/rw-by-file-record
index 5bfaae5a6cba..33efc8673aae 100644
--- a/tools/perf/scripts/perl/bin/rw-by-file-record
+++ b/tools/perf/scripts/perl/bin/rw-by-file-record
@@ -1,3 +1,3 @@
 #!/bin/bash
-perf record -a -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@
+perf record -e syscalls:sys_enter_read -e syscalls:sys_enter_write $@
 
diff --git a/tools/perf/scripts/perl/bin/rw-by-pid-record b/tools/perf/scripts/perl/bin/rw-by-pid-record
index 6e0b2f7755ac..7cb9db230448 100644
--- a/tools/perf/scripts/perl/bin/rw-by-pid-record
+++ b/tools/perf/scripts/perl/bin/rw-by-pid-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@
+perf record -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@
diff --git a/tools/perf/scripts/perl/bin/rwtop-record b/tools/perf/scripts/perl/bin/rwtop-record
index 6e0b2f7755ac..7cb9db230448 100644
--- a/tools/perf/scripts/perl/bin/rwtop-record
+++ b/tools/perf/scripts/perl/bin/rwtop-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@
+perf record -e syscalls:sys_enter_read -e syscalls:sys_exit_read -e syscalls:sys_enter_write -e syscalls:sys_exit_write $@
diff --git a/tools/perf/scripts/perl/bin/wakeup-latency-record b/tools/perf/scripts/perl/bin/wakeup-latency-record
index 9f2acaaae9f0..464251a1bd7e 100644
--- a/tools/perf/scripts/perl/bin/wakeup-latency-record
+++ b/tools/perf/scripts/perl/bin/wakeup-latency-record
@@ -1,5 +1,5 @@
 #!/bin/bash
-perf record -a -e sched:sched_switch -e sched:sched_wakeup $@
+perf record -e sched:sched_switch -e sched:sched_wakeup $@
 
 
 
diff --git a/tools/perf/scripts/perl/bin/workqueue-stats-record b/tools/perf/scripts/perl/bin/workqueue-stats-record
index 85301f2471ff..8edda9078d5d 100644
--- a/tools/perf/scripts/perl/bin/workqueue-stats-record
+++ b/tools/perf/scripts/perl/bin/workqueue-stats-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@
+perf record -e workqueue:workqueue_creation -e workqueue:workqueue_destruction -e workqueue:workqueue_execution -e workqueue:workqueue_insertion $@
diff --git a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record
index eb5846bcb565..8104895a7b67 100644
--- a/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record
+++ b/tools/perf/scripts/python/bin/failed-syscalls-by-pid-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e raw_syscalls:sys_exit $@
+perf record -e raw_syscalls:sys_exit $@
diff --git a/tools/perf/scripts/python/bin/futex-contention-record b/tools/perf/scripts/python/bin/futex-contention-record
index 5ecbb433caf4..b1495c9a9b20 100644
--- a/tools/perf/scripts/python/bin/futex-contention-record
+++ b/tools/perf/scripts/python/bin/futex-contention-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e syscalls:sys_enter_futex -e syscalls:sys_exit_futex $@
+perf record -e syscalls:sys_enter_futex -e syscalls:sys_exit_futex $@
diff --git a/tools/perf/scripts/python/bin/netdev-times-record b/tools/perf/scripts/python/bin/netdev-times-record
index d931a828126b..558754b840a9 100644
--- a/tools/perf/scripts/python/bin/netdev-times-record
+++ b/tools/perf/scripts/python/bin/netdev-times-record
@@ -1,5 +1,5 @@
 #!/bin/bash
-perf record -a -e net:net_dev_xmit -e net:net_dev_queue         \
+perf record -e net:net_dev_xmit -e net:net_dev_queue            \
                 -e net:netif_receive_skb -e net:netif_rx                \
                 -e skb:consume_skb -e skb:kfree_skb                     \
                 -e skb:skb_copy_datagram_iovec -e napi:napi_poll        \
diff --git a/tools/perf/scripts/python/bin/sched-migration-record b/tools/perf/scripts/python/bin/sched-migration-record
index 17a3e9bd9e8f..7493fddbe995 100644
--- a/tools/perf/scripts/python/bin/sched-migration-record
+++ b/tools/perf/scripts/python/bin/sched-migration-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -m 16384 -a -e sched:sched_wakeup -e sched:sched_wakeup_new -e sched:sched_switch -e sched:sched_migrate_task $@
+perf record -m 16384 -e sched:sched_wakeup -e sched:sched_wakeup_new -e sched:sched_switch -e sched:sched_migrate_task $@
diff --git a/tools/perf/scripts/python/bin/sctop-record b/tools/perf/scripts/python/bin/sctop-record
index 1fc5998b721d..4efbfaa7f6a5 100644
--- a/tools/perf/scripts/python/bin/sctop-record
+++ b/tools/perf/scripts/python/bin/sctop-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e raw_syscalls:sys_enter $@
+perf record -e raw_syscalls:sys_enter $@
diff --git a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record
index 1fc5998b721d..4efbfaa7f6a5 100644
--- a/tools/perf/scripts/python/bin/syscall-counts-by-pid-record
+++ b/tools/perf/scripts/python/bin/syscall-counts-by-pid-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e raw_syscalls:sys_enter $@
+perf record -e raw_syscalls:sys_enter $@
diff --git a/tools/perf/scripts/python/bin/syscall-counts-record b/tools/perf/scripts/python/bin/syscall-counts-record
index 1fc5998b721d..4efbfaa7f6a5 100644
--- a/tools/perf/scripts/python/bin/syscall-counts-record
+++ b/tools/perf/scripts/python/bin/syscall-counts-record
@@ -1,2 +1,2 @@
 #!/bin/bash
-perf record -a -e raw_syscalls:sys_enter $@
+perf record -e raw_syscalls:sys_enter $@
diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c
index 9706d9d40279..056c69521a38 100644
--- a/tools/perf/util/ui/util.c
+++ b/tools/perf/util/ui/util.c
@@ -104,9 +104,10 @@ out_destroy_form:
         return rc;
 }
 
+static const char yes[] = "Yes", no[] = "No";
+
 bool ui__dialog_yesno(const char *msg)
 {
         /* newtWinChoice should really be accepting const char pointers... */
-        char yes[] = "Yes", no[] = "No";
-        return newtWinChoice(NULL, yes, no, (char *)msg) == 1;
+        return newtWinChoice(NULL, (char *)yes, (char *)no, (char *)msg) == 1;
 }