Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
authorLinus Torvalds <torvalds@linux-foundation.org>
Mon, 30 Apr 2012 22:34:41 +0000 (15:34 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 30 Apr 2012 22:34:41 +0000 (15:34 -0700)
Pull ARM fixes from Russell King.

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7406/1: hotplug: copy the affinity mask when forcefully migrating IRQs
  ARM: 7405/1: kexec: call platform_cpu_kill on the killer rather than the victim
  ARM: 7403/1: tls: remove covert channel via TPIDRURW
  ARM: 7401/1: mm: Fix section mismatches
  ARM: OMAP: fix DMA vs memory ordering
  ARM: 7390/1: dts: versatile-pb/ab fix MMC IRQs
  ARM: 7400/1: vfp: clear fpscr length and stride bits on entry to sig handler
  ARM: 7399/1: vfp: move user vfp state save/restore code out of signal.c
  ARM: 7398/1: l2x0: only write to debug registers on PL310
  ARM: 7397/1: l2x0: only apply workaround for erratum #753970 on PL310
  ARM: 7396/1: errata: only handle ARM erratum #326103 on affected cores

237 files changed:
Documentation/ABI/testing/sysfs-bus-hsi [new file with mode: 0644]
Documentation/power/freezing-of-tasks.txt
Documentation/security/keys.txt
Makefile
arch/arm/boot/dts/msm8660-surf.dts
arch/arm/configs/mini2440_defconfig
arch/arm/mach-exynos/clock-exynos4.c
arch/arm/mach-exynos/clock-exynos5.c
arch/arm/mach-exynos/common.c
arch/arm/mach-exynos/dev-dwmci.c
arch/arm/mach-exynos/mach-nuri.c
arch/arm/mach-exynos/mach-universal_c210.c
arch/arm/mach-msm/board-msm8x60.c
arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
arch/arm/mach-pxa/mfp-pxa2xx.c
arch/arm/mach-pxa/pxa27x.c
arch/arm/mach-s3c24xx/Kconfig
arch/arm/mach-s5pv210/mach-goni.c
arch/arm/mach-sa1100/generic.c
arch/arm/mach-u300/core.c
arch/arm/mach-u300/i2c.c
arch/arm/mach-u300/include/mach/irqs.h
arch/arm/mach-ux500/mbox-db5500.c
arch/arm/plat-samsung/include/plat/sdhci.h
arch/blackfin/mach-bf538/boards/ezkit.c
arch/hexagon/kernel/dma.c
arch/hexagon/kernel/process.c
arch/hexagon/kernel/ptrace.c
arch/hexagon/kernel/smp.c
arch/hexagon/kernel/time.c
arch/hexagon/kernel/vdso.c
arch/powerpc/include/asm/irq.h
arch/powerpc/kernel/irq.c
arch/powerpc/kernel/machine_kexec.c
arch/powerpc/platforms/cell/axon_msi.c
arch/powerpc/platforms/cell/beat_interrupt.c
arch/powerpc/platforms/powermac/pic.c
arch/powerpc/platforms/pseries/Kconfig
arch/powerpc/sysdev/cpm2_pic.c
arch/powerpc/sysdev/mpc8xx_pic.c
arch/powerpc/sysdev/scom.c
arch/powerpc/sysdev/xics/xics-common.c
arch/sh/include/asm/atomic.h
arch/sh/mm/fault_32.c
arch/tile/include/asm/pci.h
arch/tile/kernel/pci.c
arch/x86/boot/compressed/head_32.S
arch/x86/boot/compressed/head_64.S
arch/x86/boot/tools/build.c
arch/x86/include/asm/posix_types.h
arch/x86/include/asm/sigcontext.h
arch/x86/include/asm/siginfo.h
arch/x86/include/asm/unistd.h
arch/x86/include/asm/x86_init.h
arch/x86/kernel/acpi/sleep.c
arch/x86/kernel/acpi/sleep.h
arch/x86/kernel/acpi/wakeup_32.S
arch/x86/kernel/acpi/wakeup_64.S
arch/x86/kernel/apic/apic.c
arch/x86/kernel/apic/apic_numachip.c
arch/x86/kernel/apic/x2apic_phys.c
arch/x86/kernel/cpu/amd.c
arch/x86/kernel/cpu/common.c
arch/x86/kernel/cpu/intel_cacheinfo.c
arch/x86/kernel/i387.c
arch/x86/kernel/microcode_amd.c
arch/x86/kernel/microcode_core.c
arch/x86/kernel/x86_init.c
arch/x86/platform/mrst/mrst.c
arch/x86/xen/enlighten.c
arch/x86/xen/smp.c
arch/x86/xen/xen-asm.S
arch/xtensa/include/asm/hardirq.h
arch/xtensa/include/asm/io.h
arch/xtensa/kernel/signal.c
drivers/acpi/sleep.c
drivers/ata/libata-scsi.c
drivers/dma/amba-pl08x.c
drivers/dma/at_hdmac.c
drivers/dma/imx-dma.c
drivers/dma/mxs-dma.c
drivers/dma/pl330.c
drivers/dma/ste_dma40.c
drivers/dma/ste_dma40_ll.h
drivers/firmware/efivars.c
drivers/gpio/gpio-pxa.c
drivers/gpu/drm/exynos/exynos_drm_gem.c
drivers/gpu/drm/i915/i915_gem_execbuffer.c
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_crt.c
drivers/gpu/drm/i915/intel_ringbuffer.c
drivers/gpu/drm/i915/intel_sdvo.c
drivers/gpu/drm/radeon/atombios_crtc.c
drivers/gpu/drm/radeon/radeon_display.c
drivers/hsi/clients/hsi_char.c
drivers/hsi/hsi.c
drivers/hwmon/ad7314.c
drivers/hwmon/fam15h_power.c
drivers/infiniband/core/mad.c
drivers/infiniband/hw/mlx4/main.c
drivers/input/mouse/synaptics.c
drivers/md/dm-raid.c
drivers/md/md.c
drivers/mmc/host/mxs-mmc.c
drivers/mtd/nand/gpmi-nand/gpmi-nand.c
drivers/pci/Makefile
drivers/platform/x86/acerhdf.c
drivers/platform/x86/dell-laptop.c
drivers/platform/x86/intel_ips.c
drivers/rtc/rtc-ds1307.c
drivers/scsi/ipr.c
drivers/scsi/libfc/fc_lport.c
drivers/scsi/libsas/sas_ata.c
drivers/scsi/libsas/sas_discover.c
drivers/scsi/libsas/sas_event.c
drivers/scsi/libsas/sas_expander.c
drivers/scsi/libsas/sas_init.c
drivers/scsi/libsas/sas_internal.h
drivers/scsi/libsas/sas_phy.c
drivers/scsi/libsas/sas_port.c
drivers/scsi/scsi_lib.c
drivers/spi/Kconfig
drivers/spi/Makefile
drivers/spi/spi-bcm63xx.c
drivers/spi/spi-bfin-sport.c
drivers/spi/spi-bfin5xx.c
drivers/spi/spi-ep93xx.c
drivers/spi/spi-pl022.c
drivers/staging/octeon/ethernet-rx.c
drivers/staging/octeon/ethernet-tx.c
drivers/staging/octeon/ethernet.c
drivers/staging/ozwpan/ozpd.c
drivers/staging/tidspbridge/core/tiomap3430.c
drivers/staging/tidspbridge/core/wdt.c
drivers/staging/zcache/Kconfig
drivers/tty/serial/pmac_zilog.c
drivers/usb/class/cdc-wdm.c
drivers/usb/core/hcd-pci.c
drivers/usb/gadget/dummy_hcd.c
drivers/usb/gadget/f_mass_storage.c
drivers/usb/gadget/file_storage.c
drivers/usb/gadget/udc-core.c
drivers/usb/gadget/uvc.h
drivers/usb/gadget/uvc_v4l2.c
drivers/usb/host/ehci-pci.c
drivers/usb/musb/davinci.c
drivers/usb/musb/musb_core.h
drivers/usb/otg/gpio_vbus.c
drivers/video/bfin-lq035q1-fb.c
drivers/watchdog/hpwdt.c
drivers/xen/events.c
drivers/xen/xen-acpi-processor.c
fs/autofs4/autofs_i.h
fs/autofs4/dev-ioctl.c
fs/autofs4/inode.c
fs/autofs4/waitq.c
fs/btrfs/backref.c
fs/btrfs/ctree.h
fs/btrfs/disk-io.c
fs/btrfs/extent-tree.c
fs/btrfs/extent_io.c
fs/btrfs/extent_io.h
fs/btrfs/file.c
fs/btrfs/inode.c
fs/btrfs/ioctl.c
fs/btrfs/reada.c
fs/btrfs/relocation.c
fs/btrfs/scrub.c
fs/btrfs/super.c
fs/btrfs/transaction.c
fs/btrfs/volumes.c
fs/buffer.c
fs/cifs/cifsfs.c
fs/cifs/connect.c
fs/cifs/file.c
fs/dlm/lock.c
fs/eventpoll.c
fs/ext4/super.c
fs/gfs2/lock_dlm.c
fs/hugetlbfs/inode.c
fs/jbd2/commit.c
fs/nfs/dir.c
fs/nfs/nfs4_fs.h
fs/nfs/nfs4proc.c
fs/nfs/nfs4state.c
fs/nfs/nfs4xdr.c
fs/nfs/read.c
fs/nfs/super.c
fs/nfs/write.c
fs/nfsd/nfs4recover.c
fs/pipe.c
fs/proc/task_mmu.c
include/asm-generic/siginfo.h
include/linux/efi.h
include/linux/gpio-pxa.h
include/linux/hsi/hsi.h
include/linux/libata.h
include/linux/nfs_xdr.h
include/linux/pipe_fs_i.h
include/linux/spi/spi.h
include/linux/usb/hcd.h
include/linux/vm_event_item.h
include/scsi/libsas.h
include/scsi/sas_ata.h
init/main.c
kernel/events/core.c
kernel/irq/debug.h
kernel/power/swap.c
kernel/rcutree.c
kernel/sched/core.c
kernel/sched/fair.c
kernel/sched/features.h
kernel/time/tick-broadcast.c
kernel/trace/trace.c
kernel/trace/trace.h
kernel/trace/trace_output.c
mm/hugetlb.c
mm/memcontrol.c
mm/mempolicy.c
mm/migrate.c
mm/nobootmem.c
mm/swap_state.c
mm/vmscan.c
mm/vmstat.c
net/sunrpc/sunrpc_syms.c
scripts/mod/file2alias.c
sound/pci/hda/patch_realtek.c
sound/soc/codecs/cs42l73.c
sound/soc/codecs/wm8994.c
sound/soc/sh/fsi.c
sound/soc/soc-core.c
sound/soc/soc-dapm.c
tools/perf/Makefile
tools/perf/builtin-report.c
tools/perf/builtin-test.c
tools/perf/util/parse-events.l
tools/perf/util/symbol.c

diff --git a/Documentation/ABI/testing/sysfs-bus-hsi b/Documentation/ABI/testing/sysfs-bus-hsi
new file mode 100644 (file)
index 0000000..1b1b282
--- /dev/null
@@ -0,0 +1,19 @@
+What:          /sys/bus/hsi
+Date:          April 2012
+KernelVersion: 3.4
+Contact:       Carlos Chinea <carlos.chinea@nokia.com>
+Description:
+               High Speed Synchronous Serial Interface (HSI) is a
+               serial interface mainly used for connecting application
+               engines (APE) with cellular modem engines (CMT) in cellular
+               handsets.
+               The bus will be populated with devices (hsi_clients) representing
+               the protocols available in the system. Bus drivers implement
+               those protocols.
+
+What:          /sys/bus/hsi/devices/.../modalias
+Date:          April 2012
+KernelVersion: 3.4
+Contact:       Carlos Chinea <carlos.chinea@nokia.com>
+Description:   Stores the same MODALIAS value emitted by uevent
+               Format: hsi:<hsi_client device name>
index ec715cd78fbb7028bde53c0664a513701b162858..6ec291ea1c78c64e4e1ec35ad614336859ab4c31 100644 (file)
@@ -9,7 +9,7 @@ architectures).
 
 II. How does it work?
 
-There are four per-task flags used for that, PF_NOFREEZE, PF_FROZEN, TIF_FREEZE
+There are three per-task flags used for that, PF_NOFREEZE, PF_FROZEN
 and PF_FREEZER_SKIP (the last one is auxiliary).  The tasks that have
 PF_NOFREEZE unset (all user space processes and some kernel threads) are
 regarded as 'freezable' and treated in a special way before the system enters a
@@ -17,30 +17,31 @@ suspend state as well as before a hibernation image is created (in what follows
 we only consider hibernation, but the description also applies to suspend).
 
 Namely, as the first step of the hibernation procedure the function
-freeze_processes() (defined in kernel/power/process.c) is called.  It executes
-try_to_freeze_tasks() that sets TIF_FREEZE for all of the freezable tasks and
-either wakes them up, if they are kernel threads, or sends fake signals to them,
-if they are user space processes.  A task that has TIF_FREEZE set, should react
-to it by calling the function called __refrigerator() (defined in
-kernel/freezer.c), which sets the task's PF_FROZEN flag, changes its state
-to TASK_UNINTERRUPTIBLE and makes it loop until PF_FROZEN is cleared for it.
-Then, we say that the task is 'frozen' and therefore the set of functions
-handling this mechanism is referred to as 'the freezer' (these functions are
-defined in kernel/power/process.c, kernel/freezer.c & include/linux/freezer.h).
-User space processes are generally frozen before kernel threads.
+freeze_processes() (defined in kernel/power/process.c) is called.  A system-wide
+variable system_freezing_cnt (as opposed to a per-task flag) is used to indicate
+whether the system is to undergo a freezing operation. And freeze_processes()
+sets this variable.  After this, it executes try_to_freeze_tasks() that sends a
+fake signal to all user space processes, and wakes up all the kernel threads.
+All freezable tasks must react to that by calling try_to_freeze(), which
+results in a call to __refrigerator() (defined in kernel/freezer.c), which sets
+the task's PF_FROZEN flag, changes its state to TASK_UNINTERRUPTIBLE and makes
+it loop until PF_FROZEN is cleared for it. Then, we say that the task is
+'frozen' and therefore the set of functions handling this mechanism is referred
+to as 'the freezer' (these functions are defined in kernel/power/process.c,
+kernel/freezer.c & include/linux/freezer.h). User space processes are generally
+frozen before kernel threads.
 
 __refrigerator() must not be called directly.  Instead, use the
 try_to_freeze() function (defined in include/linux/freezer.h), that checks
-the task's TIF_FREEZE flag and makes the task enter __refrigerator() if the
-flag is set.
+if the task is to be frozen and makes the task enter __refrigerator().
 
 For user space processes try_to_freeze() is called automatically from the
 signal-handling code, but the freezable kernel threads need to call it
 explicitly in suitable places or use the wait_event_freezable() or
 wait_event_freezable_timeout() macros (defined in include/linux/freezer.h)
-that combine interruptible sleep with checking if TIF_FREEZE is set and calling
-try_to_freeze().  The main loop of a freezable kernel thread may look like the
-following one:
+that combine interruptible sleep with checking if the task is to be frozen and
+calling try_to_freeze().  The main loop of a freezable kernel thread may look
+like the following one:
 
        set_freezable();
        do {
@@ -53,7 +54,7 @@ following one:
 (from drivers/usb/core/hub.c::hub_thread()).
 
 If a freezable kernel thread fails to call try_to_freeze() after the freezer has
-set TIF_FREEZE for it, the freezing of tasks will fail and the entire
+initiated a freezing operation, the freezing of tasks will fail and the entire
 hibernation operation will be cancelled.  For this reason, freezable kernel
 threads must call try_to_freeze() somewhere or use one of the
 wait_event_freezable() and wait_event_freezable_timeout() macros.
index 787717091421d54ec330f51bdaed0f2520749da8..d389acd31e19405410ca87acbe689739e0d35771 100644 (file)
@@ -123,7 +123,7 @@ KEY SERVICE OVERVIEW
 
 The key service provides a number of features besides keys:
 
- (*) The key service defines two special key types:
+ (*) The key service defines three special key types:
 
      (+) "keyring"
 
@@ -137,6 +137,18 @@ The key service provides a number of features besides keys:
         blobs of data. These can be created, updated and read by userspace,
         and aren't intended for use by kernel services.
 
+     (+) "logon"
+
+        Like a "user" key, a "logon" key has a payload that is an arbitrary
+        blob of data. It is intended as a place to store secrets which are
+        accessible to the kernel but not to userspace programs.
+
+        The description can be arbitrary, but must be prefixed with a non-zero
+        length string that describes the key "subclass". The subclass is
+        separated from the rest of the description by a ':'. "logon" keys can
+        be created and updated from userspace, but the payload is only
+        readable from kernel space.
+
  (*) Each process subscribes to three keyrings: a thread-specific keyring, a
      process-specific keyring, and a session-specific keyring.
 
index afc868e6c75dd26dbbf28c3511cbcf29c0471573..a06ee9fa8022ca6e102a3b649afc8dade403bc9f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 4
 SUBLEVEL = 0
-EXTRAVERSION = -rc4
+EXTRAVERSION = -rc5
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
index 15ded0deaa79aec744760a00b8f80e9f81fe4228..45bc4bb04e5745969184b9baa3e78e4d4c5402f3 100644 (file)
@@ -10,7 +10,7 @@
        intc: interrupt-controller@02080000 {
                compatible = "qcom,msm-8660-qgic";
                interrupt-controller;
-               #interrupt-cells = <1>;
+               #interrupt-cells = <3>;
                reg = < 0x02080000 0x1000 >,
                      < 0x02081000 0x1000 >;
        };
@@ -19,6 +19,6 @@
                compatible = "qcom,msm-hsuart", "qcom,msm-uart";
                reg = <0x19c40000 0x1000>,
                      <0x19c00000 0x1000>;
-               interrupts = <195>;
+               interrupts = <0 195 0x0>;
        };
 };
index 42da9183acc85509342b00bc14a458a6d5d6a267..082175c54e7cc7343a15c7d0f15f3ddbf5631c8a 100644 (file)
@@ -14,6 +14,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_BLK_DEV_INTEGRITY=y
 CONFIG_ARCH_S3C24XX=y
+# CONFIG_CPU_S3C2410 is not set
+CONFIG_CPU_S3C2440=y
 CONFIG_S3C_ADC=y
 CONFIG_S3C24XX_PWM=y
 CONFIG_MACH_MINI2440=y
index df54c2a922252826b6b2f837134da025ca2a6994..6efd1e5919fdebcd389e61cf48e25b1967a75bb1 100644 (file)
@@ -497,25 +497,25 @@ static struct clk exynos4_init_clocks_off[] = {
                .ctrlbit        = (1 << 3),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.0",
+               .devname        = "exynos4-sdhci.0",
                .parent         = &exynos4_clk_aclk_133.clk,
                .enable         = exynos4_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 5),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.1",
+               .devname        = "exynos4-sdhci.1",
                .parent         = &exynos4_clk_aclk_133.clk,
                .enable         = exynos4_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 6),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.2",
+               .devname        = "exynos4-sdhci.2",
                .parent         = &exynos4_clk_aclk_133.clk,
                .enable         = exynos4_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 7),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.3",
+               .devname        = "exynos4-sdhci.3",
                .parent         = &exynos4_clk_aclk_133.clk,
                .enable         = exynos4_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 8),
@@ -1202,7 +1202,7 @@ static struct clksrc_clk exynos4_clk_sclk_uart3 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc0 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.0",
+               .devname        = "exynos4-sdhci.0",
                .parent         = &exynos4_clk_dout_mmc0.clk,
                .enable         = exynos4_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 0),
@@ -1213,7 +1213,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc0 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc1 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.1",
+               .devname        = "exynos4-sdhci.1",
                .parent         = &exynos4_clk_dout_mmc1.clk,
                .enable         = exynos4_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 4),
@@ -1224,7 +1224,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc1 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc2 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.2",
+               .devname        = "exynos4-sdhci.2",
                .parent         = &exynos4_clk_dout_mmc2.clk,
                .enable         = exynos4_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 8),
@@ -1235,7 +1235,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc2 = {
 static struct clksrc_clk exynos4_clk_sclk_mmc3 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.3",
+               .devname        = "exynos4-sdhci.3",
                .parent         = &exynos4_clk_dout_mmc3.clk,
                .enable         = exynos4_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 12),
@@ -1340,10 +1340,10 @@ static struct clk_lookup exynos4_clk_lookup[] = {
        CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos4_clk_sclk_uart1.clk),
        CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos4_clk_sclk_uart2.clk),
        CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos4_clk_sclk_uart3.clk),
-       CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk),
-       CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk),
-       CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk),
-       CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
+       CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk),
+       CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk),
+       CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk),
+       CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
        CLKDEV_INIT("exynos4-fb.0", "lcd", &exynos4_clk_fimd0),
        CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0),
        CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1),
index d013982d0f8e1bc9e49a80824069c7214dec36be..5cd7a8b8868ce0fbb7e48a1a393e020d17cdcd88 100644 (file)
@@ -455,25 +455,25 @@ static struct clk exynos5_init_clocks_off[] = {
                .ctrlbit        = (1 << 20),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.0",
+               .devname        = "exynos4-sdhci.0",
                .parent         = &exynos5_clk_aclk_200.clk,
                .enable         = exynos5_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 12),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.1",
+               .devname        = "exynos4-sdhci.1",
                .parent         = &exynos5_clk_aclk_200.clk,
                .enable         = exynos5_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 13),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.2",
+               .devname        = "exynos4-sdhci.2",
                .parent         = &exynos5_clk_aclk_200.clk,
                .enable         = exynos5_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 14),
        }, {
                .name           = "hsmmc",
-               .devname        = "s3c-sdhci.3",
+               .devname        = "exynos4-sdhci.3",
                .parent         = &exynos5_clk_aclk_200.clk,
                .enable         = exynos5_clk_ip_fsys_ctrl,
                .ctrlbit        = (1 << 15),
@@ -813,7 +813,7 @@ static struct clksrc_clk exynos5_clk_sclk_uart3 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.0",
+               .devname        = "exynos4-sdhci.0",
                .parent         = &exynos5_clk_dout_mmc0.clk,
                .enable         = exynos5_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 0),
@@ -824,7 +824,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.1",
+               .devname        = "exynos4-sdhci.1",
                .parent         = &exynos5_clk_dout_mmc1.clk,
                .enable         = exynos5_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 4),
@@ -835,7 +835,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.2",
+               .devname        = "exynos4-sdhci.2",
                .parent         = &exynos5_clk_dout_mmc2.clk,
                .enable         = exynos5_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 8),
@@ -846,7 +846,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
 static struct clksrc_clk exynos5_clk_sclk_mmc3 = {
        .clk    = {
                .name           = "sclk_mmc",
-               .devname        = "s3c-sdhci.3",
+               .devname        = "exynos4-sdhci.3",
                .parent         = &exynos5_clk_dout_mmc3.clk,
                .enable         = exynos5_clksrc_mask_fsys_ctrl,
                .ctrlbit        = (1 << 12),
@@ -990,10 +990,10 @@ static struct clk_lookup exynos5_clk_lookup[] = {
        CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos5_clk_sclk_uart1.clk),
        CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos5_clk_sclk_uart2.clk),
        CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos5_clk_sclk_uart3.clk),
-       CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
-       CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
-       CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
-       CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
+       CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
+       CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
+       CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
+       CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
        CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos5_clk_pdma0),
        CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos5_clk_pdma1),
        CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos5_clk_mdma1),
index 8614aab47cc0e1a4c9cc51549f89af9c17316558..5ccd6e80a607fec8750409d6d5731dfa92f2a73e 100644 (file)
@@ -326,6 +326,11 @@ static void __init exynos4_map_io(void)
        s3c_fimc_setname(2, "exynos4-fimc");
        s3c_fimc_setname(3, "exynos4-fimc");
 
+       s3c_sdhci_setname(0, "exynos4-sdhci");
+       s3c_sdhci_setname(1, "exynos4-sdhci");
+       s3c_sdhci_setname(2, "exynos4-sdhci");
+       s3c_sdhci_setname(3, "exynos4-sdhci");
+
        /* The I2C bus controllers are directly compatible with s3c2440 */
        s3c_i2c0_setname("s3c2440-i2c");
        s3c_i2c1_setname("s3c2440-i2c");
@@ -344,6 +349,11 @@ static void __init exynos5_map_io(void)
        s3c_device_i2c0.resource[1].start = EXYNOS5_IRQ_IIC;
        s3c_device_i2c0.resource[1].end   = EXYNOS5_IRQ_IIC;
 
+       s3c_sdhci_setname(0, "exynos4-sdhci");
+       s3c_sdhci_setname(1, "exynos4-sdhci");
+       s3c_sdhci_setname(2, "exynos4-sdhci");
+       s3c_sdhci_setname(3, "exynos4-sdhci");
+
        /* The I2C bus controllers are directly compatible with s3c2440 */
        s3c_i2c0_setname("s3c2440-i2c");
        s3c_i2c1_setname("s3c2440-i2c");
@@ -537,7 +547,9 @@ void __init exynos5_init_irq(void)
 {
        int irq;
 
-       gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
+#ifdef CONFIG_OF
+       of_irq_init(exynos4_dt_irq_match);
+#endif
 
        for (irq = 0; irq < EXYNOS5_MAX_COMBINER_NR; irq++) {
                combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
index b025db4bf602380e465402381a270668ece4b41f..79035018fb746da2a5c0a284bbc2b229d3cebbe9 100644 (file)
@@ -16,6 +16,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/ioport.h>
 #include <linux/mmc/dw_mmc.h>
 
 #include <plat/devs.h>
@@ -33,16 +34,8 @@ static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
 }
 
 static struct resource exynos4_dwmci_resource[] = {
-       [0] = {
-               .start  = EXYNOS4_PA_DWMCI,
-               .end    = EXYNOS4_PA_DWMCI + SZ_4K - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start  = IRQ_DWMCI,
-               .end    = IRQ_DWMCI,
-               .flags  = IORESOURCE_IRQ,
-       }
+       [0] = DEFINE_RES_MEM(EXYNOS4_PA_DWMCI, SZ_4K),
+       [1] = DEFINE_RES_IRQ(EXYNOS4_IRQ_DWMCI),
 };
 
 static struct dw_mci_board exynos4_dwci_pdata = {
index b4f1f902ce6d06a82cd9f9f00d90caa0e9548782..ed90aef404c3175259e4a4ba576e60a6bb018a3f 100644 (file)
@@ -112,6 +112,7 @@ static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = {
        .host_caps              = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
                                MMC_CAP_ERASE),
+       .host_caps2             = MMC_CAP2_BROKEN_VOLTAGE,
        .cd_type                = S3C_SDHCI_CD_PERMANENT,
        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
index 7ebf79c2ab348bd273099716d9bd1b4df6cdc572..cb2b027f09a603800477a31bfeb765b27f829942 100644 (file)
@@ -747,6 +747,7 @@ static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
        .max_width              = 8,
        .host_caps              = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
                                MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
+       .host_caps2             = MMC_CAP2_BROKEN_VOLTAGE,
        .cd_type                = S3C_SDHCI_CD_PERMANENT,
        .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 };
index 962e71169750a0243225b52c1ddda062779eb5e0..fb3496a52ef4c08921de04e75e4682ad00e796a2 100644 (file)
@@ -17,6 +17,7 @@
 #include <linux/irqdomain.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
+#include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/memblock.h>
 
@@ -49,10 +50,22 @@ static void __init msm8x60_map_io(void)
        msm_map_msm8x60_io();
 }
 
+#ifdef CONFIG_OF
+static struct of_device_id msm_dt_gic_match[] __initdata = {
+       { .compatible = "qcom,msm-8660-qgic", .data = gic_of_init },
+       {}
+};
+#endif
+
 static void __init msm8x60_init_irq(void)
 {
-       gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
-                (void *)MSM_QGIC_CPU_BASE);
+       if (!of_have_populated_dt())
+               gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
+                        (void *)MSM_QGIC_CPU_BASE);
+#ifdef CONFIG_OF
+       else
+               of_irq_init(msm_dt_gic_match);
+#endif
 
        /* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
        writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
@@ -73,16 +86,8 @@ static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = {
        {}
 };
 
-static struct of_device_id msm_dt_gic_match[] __initdata = {
-       { .compatible = "qcom,msm-8660-qgic", },
-       {}
-};
-
 static void __init msm8x60_dt_init(void)
 {
-       irq_domain_generate_simple(msm_dt_gic_match, MSM8X60_QGIC_DIST_PHYS,
-                               GIC_SPI_START);
-
        if (of_machine_is_compatible("qcom,msm8660-surf")) {
                printk(KERN_INFO "Init surf UART registers\n");
                msm8x60_init_uart12dm();
index c54cef25895cdbbbe03c3922490f69be83409868..cbf51ae81855bc5bc255a4aa3abb606cf93bce68 100644 (file)
@@ -17,6 +17,7 @@
  *
  * bit     23 - Input/Output (PXA2xx specific)
  * bit     24 - Wakeup Enable(PXA2xx specific)
+ * bit     25 - Keep Output  (PXA2xx specific)
  */
 
 #define MFP_DIR_IN             (0x0 << 23)
 #define MFP_DIR(x)             (((x) >> 23) & 0x1)
 
 #define MFP_LPM_CAN_WAKEUP     (0x1 << 24)
+
+/*
+ * MFP_LPM_KEEP_OUTPUT must be specified for pins that need to
+ * retain their last output level (low or high).
+ * Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input.
+ */
 #define MFP_LPM_KEEP_OUTPUT    (0x1 << 25)
 
 #define WAKEUP_ON_EDGE_RISE    (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE)
index b0a842887780f9acbe32e4223b4fe769f49b88f1..ef0426a159d4d4e04c681f7097fb8732d7096156 100644 (file)
@@ -33,6 +33,8 @@
 #define BANK_OFF(n)    (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
 #define GPLR(x)                __REG2(0x40E00000, BANK_OFF((x) >> 5))
 #define GPDR(x)                __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c)
+#define GPSR(x)                __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18)
+#define GPCR(x)                __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24)
 
 #define PWER_WE35      (1 << 24)
 
@@ -348,6 +350,7 @@ static inline void pxa27x_mfp_init(void) {}
 #ifdef CONFIG_PM
 static unsigned long saved_gafr[2][4];
 static unsigned long saved_gpdr[4];
+static unsigned long saved_gplr[4];
 static unsigned long saved_pgsr[4];
 
 static int pxa2xx_mfp_suspend(void)
@@ -366,14 +369,26 @@ static int pxa2xx_mfp_suspend(void)
        }
 
        for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
-
                saved_gafr[0][i] = GAFR_L(i);
                saved_gafr[1][i] = GAFR_U(i);
                saved_gpdr[i] = GPDR(i * 32);
+               saved_gplr[i] = GPLR(i * 32);
                saved_pgsr[i] = PGSR(i);
 
-               GPDR(i * 32) = gpdr_lpm[i];
+               GPSR(i * 32) = PGSR(i);
+               GPCR(i * 32) = ~PGSR(i);
+       }
+
+       /* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */
+       for (i = 0; i < pxa_last_gpio; i++) {
+               if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) ||
+                   ((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) &&
+                    (saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i))))
+                       GPDR(i) |= GPIO_bit(i);
+               else
+                       GPDR(i) &= ~GPIO_bit(i);
        }
+
        return 0;
 }
 
@@ -384,6 +399,8 @@ static void pxa2xx_mfp_resume(void)
        for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
                GAFR_L(i) = saved_gafr[0][i];
                GAFR_U(i) = saved_gafr[1][i];
+               GPSR(i * 32) = saved_gplr[i];
+               GPCR(i * 32) = ~saved_gplr[i];
                GPDR(i * 32) = saved_gpdr[i];
                PGSR(i) = saved_pgsr[i];
        }
index 6bce78edce7a3c070b197b57f1fcb16197c3ba7f..4726c246dcdc930bd5db27feb301221c2edced42 100644 (file)
@@ -421,8 +421,11 @@ void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info)
        pxa_register_device(&pxa27x_device_i2c_power, info);
 }
 
+static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = {
+       .gpio_set_wake = gpio_set_wake,
+};
+
 static struct platform_device *devices[] __initdata = {
-       &pxa_device_gpio,
        &pxa27x_device_udc,
        &pxa_device_pmu,
        &pxa_device_i2s,
@@ -458,6 +461,7 @@ static int __init pxa27x_init(void)
                register_syscore_ops(&pxa2xx_mfp_syscore_ops);
                register_syscore_ops(&pxa2xx_clock_syscore_ops);
 
+               pxa_register_device(&pxa_device_gpio, &pxa27x_gpio_info);
                ret = platform_add_devices(devices, ARRAY_SIZE(devices));
        }
 
index 0f3a327ebcaa380c823d251f65eb819bac9033a0..b34287ab5afd93502e9b5779918085c3b8eb68ec 100644 (file)
@@ -111,10 +111,6 @@ config S3C24XX_SETUP_TS
        help
          Compile in platform device definition for Samsung TouchScreen.
 
-# cpu-specific sections
-
-if CPU_S3C2410
-
 config S3C2410_DMA
        bool
        depends on S3C24XX_DMA && (CPU_S3C2410 || CPU_S3C2442)
@@ -127,6 +123,10 @@ config S3C2410_PM
        help
          Power Management code common to S3C2410 and better
 
+# cpu-specific sections
+
+if CPU_S3C2410
+
 config S3C24XX_SIMTEC_NOR
        bool
        help
index a8933de3d627ca922c3560d1a907c7761f054097..32395664e87917f640cdc70b74f287304a939b6a 100644 (file)
@@ -25,6 +25,7 @@
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/gpio.h>
+#include <linux/mmc/host.h>
 #include <linux/interrupt.h>
 
 #include <asm/hardware/vic.h>
@@ -765,6 +766,7 @@ static void __init goni_pmic_init(void)
 /* MoviNAND */
 static struct s3c_sdhci_platdata goni_hsmmc0_data __initdata = {
        .max_width              = 4,
+       .host_caps2             = MMC_CAP2_BROKEN_VOLTAGE,
        .cd_type                = S3C_SDHCI_CD_PERMANENT,
 };
 
index 7c524b4e415d7ec7843dcbd7987c663d2f447bd9..16be4c56abe3ff37a153807b93d066c49c0d94ab 100644 (file)
@@ -306,7 +306,7 @@ void sa11x0_register_irda(struct irda_platform_data *irda)
 }
 
 static struct resource sa1100_rtc_resources[] = {
-       DEFINE_RES_MEM(0x90010000, 0x9001003f),
+       DEFINE_RES_MEM(0x90010000, 0x40),
        DEFINE_RES_IRQ_NAMED(IRQ_RTC1Hz, "rtc 1Hz"),
        DEFINE_RES_IRQ_NAMED(IRQ_RTCAlrm, "rtc alarm"),
 };
index 1621ad07d284fea97626fea99a3e5535844c8417..33339745d432bdf185f23d46a59f4dd1bb9f8eca 100644 (file)
@@ -1667,8 +1667,10 @@ void __init u300_init_irq(void)
 
        for (i = 0; i < U300_VIC_IRQS_END; i++)
                set_bit(i, (unsigned long *) &mask[0]);
-       vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]);
-       vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]);
+       vic_init((void __iomem *) U300_INTCON0_VBASE, IRQ_U300_INTCON0_START,
+                mask[0], mask[0]);
+       vic_init((void __iomem *) U300_INTCON1_VBASE, IRQ_U300_INTCON1_START,
+                mask[1], mask[1]);
 }
 
 
index a38f80238ea97f08a69a9e42fb80a430404ff4a5..cb04bd6ab3e7f07248f57372015cec729e030798 100644 (file)
@@ -146,9 +146,6 @@ static struct ab3100_platform_data ab3100_plf_data = {
                                .min_uV = 1800000,
                                .max_uV = 1800000,
                                .valid_modes_mask = REGULATOR_MODE_NORMAL,
-                               .valid_ops_mask =
-                               REGULATOR_CHANGE_VOLTAGE |
-                               REGULATOR_CHANGE_STATUS,
                                .always_on = 1,
                                .boot_on = 1,
                        },
@@ -160,9 +157,6 @@ static struct ab3100_platform_data ab3100_plf_data = {
                                .min_uV = 2500000,
                                .max_uV = 2500000,
                                .valid_modes_mask = REGULATOR_MODE_NORMAL,
-                               .valid_ops_mask =
-                               REGULATOR_CHANGE_VOLTAGE |
-                               REGULATOR_CHANGE_STATUS,
                                .always_on = 1,
                                .boot_on = 1,
                        },
@@ -230,8 +224,7 @@ static struct ab3100_platform_data ab3100_plf_data = {
                                .max_uV = 1800000,
                                .valid_modes_mask = REGULATOR_MODE_NORMAL,
                                .valid_ops_mask =
-                               REGULATOR_CHANGE_VOLTAGE |
-                               REGULATOR_CHANGE_STATUS,
+                               REGULATOR_CHANGE_VOLTAGE,
                                .always_on = 1,
                                .boot_on = 1,
                        },
index ee78a26707ebe595f00265ccbc3c09a52ea4c1d3..ec09c1e07b1a8f6655e1887c353031f6471bc7f9 100644 (file)
 #ifndef __MACH_IRQS_H
 #define __MACH_IRQS_H
 
-#define IRQ_U300_INTCON0_START         0
-#define IRQ_U300_INTCON1_START         32
+#define IRQ_U300_INTCON0_START         1
+#define IRQ_U300_INTCON1_START         33
 /* These are on INTCON0 - 30 lines */
-#define IRQ_U300_IRQ0_EXT              0
-#define IRQ_U300_IRQ1_EXT              1
-#define IRQ_U300_DMA                   2
-#define IRQ_U300_VIDEO_ENC_0           3
-#define IRQ_U300_VIDEO_ENC_1           4
-#define IRQ_U300_AAIF_RX               5
-#define IRQ_U300_AAIF_TX               6
-#define IRQ_U300_AAIF_VGPIO            7
-#define IRQ_U300_AAIF_WAKEUP           8
-#define IRQ_U300_PCM_I2S0_FRAME                9
-#define IRQ_U300_PCM_I2S0_FIFO         10
-#define IRQ_U300_PCM_I2S1_FRAME                11
-#define IRQ_U300_PCM_I2S1_FIFO         12
-#define IRQ_U300_XGAM_GAMCON           13
-#define IRQ_U300_XGAM_CDI              14
-#define IRQ_U300_XGAM_CDICON           15
+#define IRQ_U300_IRQ0_EXT              1
+#define IRQ_U300_IRQ1_EXT              2
+#define IRQ_U300_DMA                   3
+#define IRQ_U300_VIDEO_ENC_0           4
+#define IRQ_U300_VIDEO_ENC_1           5
+#define IRQ_U300_AAIF_RX               6
+#define IRQ_U300_AAIF_TX               7
+#define IRQ_U300_AAIF_VGPIO            8
+#define IRQ_U300_AAIF_WAKEUP           9
+#define IRQ_U300_PCM_I2S0_FRAME                10
+#define IRQ_U300_PCM_I2S0_FIFO         11
+#define IRQ_U300_PCM_I2S1_FRAME                12
+#define IRQ_U300_PCM_I2S1_FIFO         13
+#define IRQ_U300_XGAM_GAMCON           14
+#define IRQ_U300_XGAM_CDI              15
+#define IRQ_U300_XGAM_CDICON           16
 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
 /* MMIACC not used on the DB3210 or DB3350 chips */
-#define IRQ_U300_XGAM_MMIACC           16
+#define IRQ_U300_XGAM_MMIACC           17
 #endif
-#define IRQ_U300_XGAM_PDI              17
-#define IRQ_U300_XGAM_PDICON           18
-#define IRQ_U300_XGAM_GAMEACC          19
-#define IRQ_U300_XGAM_MCIDCT           20
-#define IRQ_U300_APEX                  21
-#define IRQ_U300_UART0                 22
-#define IRQ_U300_SPI                   23
-#define IRQ_U300_TIMER_APP_OS          24
-#define IRQ_U300_TIMER_APP_DD          25
-#define IRQ_U300_TIMER_APP_GP1         26
-#define IRQ_U300_TIMER_APP_GP2         27
-#define IRQ_U300_TIMER_OS              28
-#define IRQ_U300_TIMER_MS              29
-#define IRQ_U300_KEYPAD_KEYBF          30
-#define IRQ_U300_KEYPAD_KEYBR          31
+#define IRQ_U300_XGAM_PDI              18
+#define IRQ_U300_XGAM_PDICON           19
+#define IRQ_U300_XGAM_GAMEACC          20
+#define IRQ_U300_XGAM_MCIDCT           21
+#define IRQ_U300_APEX                  22
+#define IRQ_U300_UART0                 23
+#define IRQ_U300_SPI                   24
+#define IRQ_U300_TIMER_APP_OS          25
+#define IRQ_U300_TIMER_APP_DD          26
+#define IRQ_U300_TIMER_APP_GP1         27
+#define IRQ_U300_TIMER_APP_GP2         28
+#define IRQ_U300_TIMER_OS              29
+#define IRQ_U300_TIMER_MS              30
+#define IRQ_U300_KEYPAD_KEYBF          31
+#define IRQ_U300_KEYPAD_KEYBR          32
 /* These are on INTCON1 - 32 lines */
-#define IRQ_U300_GPIO_PORT0            32
-#define IRQ_U300_GPIO_PORT1            33
-#define IRQ_U300_GPIO_PORT2            34
+#define IRQ_U300_GPIO_PORT0            33
+#define IRQ_U300_GPIO_PORT1            34
+#define IRQ_U300_GPIO_PORT2            35
 
 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) || \
     defined(CONFIG_MACH_U300_BS335)
 /* These are for DB3150, DB3200 and DB3350 */
-#define IRQ_U300_WDOG                  35
-#define IRQ_U300_EVHIST                        36
-#define IRQ_U300_MSPRO                 37
-#define IRQ_U300_MMCSD_MCIINTR0                38
-#define IRQ_U300_MMCSD_MCIINTR1                39
-#define IRQ_U300_I2C0                  40
-#define IRQ_U300_I2C1                  41
-#define IRQ_U300_RTC                   42
-#define IRQ_U300_NFIF                  43
-#define IRQ_U300_NFIF2                 44
+#define IRQ_U300_WDOG                  36
+#define IRQ_U300_EVHIST                        37
+#define IRQ_U300_MSPRO                 38
+#define IRQ_U300_MMCSD_MCIINTR0                39
+#define IRQ_U300_MMCSD_MCIINTR1                40
+#define IRQ_U300_I2C0                  41
+#define IRQ_U300_I2C1                  42
+#define IRQ_U300_RTC                   43
+#define IRQ_U300_NFIF                  44
+#define IRQ_U300_NFIF2                 45
 #endif
 
 /* DB3150 and DB3200 have only 45 IRQs */
 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
-#define U300_VIC_IRQS_END              45
+#define U300_VIC_IRQS_END              46
 #endif
 
 /* The DB3350-specific interrupt lines */
 #ifdef CONFIG_MACH_U300_BS335
-#define IRQ_U300_ISP_F0                        45
-#define IRQ_U300_ISP_F1                        46
-#define IRQ_U300_ISP_F2                        47
-#define IRQ_U300_ISP_F3                        48
-#define IRQ_U300_ISP_F4                        49
-#define IRQ_U300_GPIO_PORT3            50
-#define IRQ_U300_SYSCON_PLL_LOCK       51
-#define IRQ_U300_UART1                 52
-#define IRQ_U300_GPIO_PORT4            53
-#define IRQ_U300_GPIO_PORT5            54
-#define IRQ_U300_GPIO_PORT6            55
-#define U300_VIC_IRQS_END              56
+#define IRQ_U300_ISP_F0                        46
+#define IRQ_U300_ISP_F1                        47
+#define IRQ_U300_ISP_F2                        48
+#define IRQ_U300_ISP_F3                        49
+#define IRQ_U300_ISP_F4                        50
+#define IRQ_U300_GPIO_PORT3            51
+#define IRQ_U300_SYSCON_PLL_LOCK       52
+#define IRQ_U300_UART1                 53
+#define IRQ_U300_GPIO_PORT4            54
+#define IRQ_U300_GPIO_PORT5            55
+#define IRQ_U300_GPIO_PORT6            56
+#define U300_VIC_IRQS_END              57
 #endif
 
 /* The DB3210-specific interrupt lines */
 #ifdef CONFIG_MACH_U300_BS365
-#define IRQ_U300_GPIO_PORT3            35
-#define IRQ_U300_GPIO_PORT4            36
-#define IRQ_U300_WDOG                  37
-#define IRQ_U300_EVHIST                        38
-#define IRQ_U300_MSPRO                 39
-#define IRQ_U300_MMCSD_MCIINTR0                40
-#define IRQ_U300_MMCSD_MCIINTR1                41
-#define IRQ_U300_I2C0                  42
-#define IRQ_U300_I2C1                  43
-#define IRQ_U300_RTC                   44
-#define IRQ_U300_NFIF                  45
-#define IRQ_U300_NFIF2                 46
-#define IRQ_U300_SYSCON_PLL_LOCK       47
-#define U300_VIC_IRQS_END              48
+#define IRQ_U300_GPIO_PORT3            36
+#define IRQ_U300_GPIO_PORT4            37
+#define IRQ_U300_WDOG                  38
+#define IRQ_U300_EVHIST                        39
+#define IRQ_U300_MSPRO                 40
+#define IRQ_U300_MMCSD_MCIINTR0                41
+#define IRQ_U300_MMCSD_MCIINTR1                42
+#define IRQ_U300_I2C0                  43
+#define IRQ_U300_I2C1                  44
+#define IRQ_U300_RTC                   45
+#define IRQ_U300_NFIF                  46
+#define IRQ_U300_NFIF2                 47
+#define IRQ_U300_SYSCON_PLL_LOCK       48
+#define U300_VIC_IRQS_END              49
 #endif
 
 /* Maximum 8*7 GPIO lines */
 #define IRQ_U300_GPIO_END              (U300_VIC_IRQS_END)
 #endif
 
-#define NR_IRQS                                (IRQ_U300_GPIO_END)
+#define NR_IRQS                                (IRQ_U300_GPIO_END - IRQ_U300_INTCON0_START)
 
 #endif
index 2b2d51caf9d8b9f4db2e62c1eaa7a596b3313546..0127490218cdfc4bc00b107be2816a84703d6a4f 100644 (file)
@@ -168,7 +168,7 @@ static ssize_t mbox_read_fifo(struct device *dev,
        return sprintf(buf, "0x%X\n", mbox_value);
 }
 
-static DEVICE_ATTR(fifo, S_IWUGO | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
+static DEVICE_ATTR(fifo, S_IWUSR | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
 
 static int mbox_show(struct seq_file *s, void *data)
 {
index 317e246ffc5604e1c0712054b90c5da23654a6da..e834c5ef437c3c857cfe02d55f84df3307fa35e8 100644 (file)
@@ -18,6 +18,8 @@
 #ifndef __PLAT_S3C_SDHCI_H
 #define __PLAT_S3C_SDHCI_H __FILE__
 
+#include <plat/devs.h>
+
 struct platform_device;
 struct mmc_host;
 struct mmc_card;
@@ -356,4 +358,30 @@ static inline void exynos4_default_sdhci3(void) { }
 
 #endif /* CONFIG_EXYNOS4_SETUP_SDHCI */
 
+static inline void s3c_sdhci_setname(int id, char *name)
+{
+       switch (id) {
+#ifdef CONFIG_S3C_DEV_HSMMC
+       case 0:
+               s3c_device_hsmmc0.name = name;
+               break;
+#endif
+#ifdef CONFIG_S3C_DEV_HSMMC1
+       case 1:
+               s3c_device_hsmmc1.name = name;
+               break;
+#endif
+#ifdef CONFIG_S3C_DEV_HSMMC2
+       case 2:
+               s3c_device_hsmmc2.name = name;
+               break;
+#endif
+#ifdef CONFIG_S3C_DEV_HSMMC3
+       case 3:
+               s3c_device_hsmmc3.name = name;
+               break;
+#endif
+       }
+}
+
 #endif /* __PLAT_S3C_SDHCI_H */
index 1633a6f306c0e1390fedf5dd12dd805c5ac9c704..85038f54354dc78ac514655972d021e4a0cb63e6 100644 (file)
@@ -38,7 +38,7 @@ static struct platform_device rtc_device = {
        .name = "rtc-bfin",
        .id   = -1,
 };
-#endif
+#endif /* CONFIG_RTC_DRV_BFIN */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 #ifdef CONFIG_SERIAL_BFIN_UART0
@@ -100,7 +100,7 @@ static struct platform_device bfin_uart0_device = {
                .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
        },
 };
-#endif
+#endif /* CONFIG_SERIAL_BFIN_UART0 */
 #ifdef CONFIG_SERIAL_BFIN_UART1
 static struct resource bfin_uart1_resources[] = {
        {
@@ -148,7 +148,7 @@ static struct platform_device bfin_uart1_device = {
                .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
        },
 };
-#endif
+#endif /* CONFIG_SERIAL_BFIN_UART1 */
 #ifdef CONFIG_SERIAL_BFIN_UART2
 static struct resource bfin_uart2_resources[] = {
        {
@@ -196,8 +196,8 @@ static struct platform_device bfin_uart2_device = {
                .platform_data = &bfin_uart2_peripherals, /* Passed to driver */
        },
 };
-#endif
-#endif
+#endif /* CONFIG_SERIAL_BFIN_UART2 */
+#endif /* CONFIG_SERIAL_BFIN */
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -224,7 +224,7 @@ static struct platform_device bfin_sir0_device = {
        .num_resources = ARRAY_SIZE(bfin_sir0_resources),
        .resource = bfin_sir0_resources,
 };
-#endif
+#endif /* CONFIG_BFIN_SIR0 */
 #ifdef CONFIG_BFIN_SIR1
 static struct resource bfin_sir1_resources[] = {
        {
@@ -249,7 +249,7 @@ static struct platform_device bfin_sir1_device = {
        .num_resources = ARRAY_SIZE(bfin_sir1_resources),
        .resource = bfin_sir1_resources,
 };
-#endif
+#endif /* CONFIG_BFIN_SIR1 */
 #ifdef CONFIG_BFIN_SIR2
 static struct resource bfin_sir2_resources[] = {
        {
@@ -274,8 +274,8 @@ static struct platform_device bfin_sir2_device = {
        .num_resources = ARRAY_SIZE(bfin_sir2_resources),
        .resource = bfin_sir2_resources,
 };
-#endif
-#endif
+#endif /* CONFIG_BFIN_SIR2 */
+#endif /* CONFIG_BFIN_SIR */
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
@@ -311,7 +311,7 @@ static struct platform_device bfin_sport0_uart_device = {
                .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
        },
 };
-#endif
+#endif /* CONFIG_SERIAL_BFIN_SPORT0_UART */
 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 static struct resource bfin_sport1_uart_resources[] = {
        {
@@ -345,7 +345,7 @@ static struct platform_device bfin_sport1_uart_device = {
                .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
        },
 };
-#endif
+#endif /* CONFIG_SERIAL_BFIN_SPORT1_UART */
 #ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
 static struct resource bfin_sport2_uart_resources[] = {
        {
@@ -379,7 +379,7 @@ static struct platform_device bfin_sport2_uart_device = {
                .platform_data = &bfin_sport2_peripherals, /* Passed to driver */
        },
 };
-#endif
+#endif /* CONFIG_SERIAL_BFIN_SPORT2_UART */
 #ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
 static struct resource bfin_sport3_uart_resources[] = {
        {
@@ -413,8 +413,8 @@ static struct platform_device bfin_sport3_uart_device = {
                .platform_data = &bfin_sport3_peripherals, /* Passed to driver */
        },
 };
-#endif
-#endif
+#endif /* CONFIG_SERIAL_BFIN_SPORT3_UART */
+#endif /* CONFIG_SERIAL_BFIN_SPORT */
 
 #if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
 static unsigned short bfin_can_peripherals[] = {
@@ -452,7 +452,7 @@ static struct platform_device bfin_can_device = {
                .platform_data = &bfin_can_peripherals, /* Passed to driver */
        },
 };
-#endif
+#endif /* CONFIG_CAN_BFIN */
 
 /*
  *  USB-LAN EzExtender board
@@ -488,7 +488,7 @@ static struct platform_device smc91x_device = {
                .platform_data  = &smc91x_info,
        },
 };
-#endif
+#endif /* CONFIG_SMC91X */
 
 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
 /* all SPI peripherals info goes here */
@@ -518,7 +518,8 @@ static struct flash_platform_data bfin_spi_flash_data = {
 static struct bfin5xx_spi_chip spi_flash_chip_info = {
        .enable_dma = 0,         /* use dma transfer with this chip*/
 };
-#endif
+#endif /* CONFIG_MTD_M25P80 */
+#endif /* CONFIG_SPI_BFIN5XX */
 
 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
 #include <linux/spi/ad7879.h>
@@ -535,7 +536,7 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = {
        .gpio_export            = 1,    /* Export GPIO to gpiolib */
        .gpio_base              = -1,   /* Dynamic allocation */
 };
-#endif
+#endif /* CONFIG_TOUCHSCREEN_AD7879 */
 
 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 #include <asm/bfin-lq035q1.h>
@@ -564,7 +565,7 @@ static struct platform_device bfin_lq035q1_device = {
                .platform_data = &bfin_lq035q1_data,
        },
 };
-#endif
+#endif /* CONFIG_FB_BFIN_LQ035Q1 */
 
 static struct spi_board_info bf538_spi_board_info[] __initdata = {
 #if defined(CONFIG_MTD_M25P80) \
@@ -579,7 +580,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
                .controller_data = &spi_flash_chip_info,
                .mode = SPI_MODE_3,
        },
-#endif
+#endif /* CONFIG_MTD_M25P80 */
 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
        {
                .modalias = "ad7879",
@@ -590,7 +591,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
                .chip_select = 1,
                .mode = SPI_CPHA | SPI_CPOL,
        },
-#endif
+#endif /* CONFIG_TOUCHSCREEN_AD7879_SPI */
 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
        {
                .modalias = "bfin-lq035q1-spi",
@@ -599,7 +600,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
                .chip_select = 2,
                .mode = SPI_CPHA | SPI_CPOL,
        },
-#endif
+#endif /* CONFIG_FB_BFIN_LQ035Q1 */
 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
        {
                .modalias = "spidev",
@@ -607,7 +608,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
                .bus_num = 0,
                .chip_select = 1,
        },
-#endif
+#endif /* CONFIG_SPI_SPIDEV */
 };
 
 /* SPI (0) */
@@ -716,8 +717,6 @@ static struct platform_device bf538_spi_master2 = {
                },
 };
 
-#endif  /* spi master and devices */
-
 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 static struct resource bfin_twi0_resource[] = {
        [0] = {
@@ -759,8 +758,8 @@ static struct platform_device i2c_bfin_twi1_device = {
        .num_resources = ARRAY_SIZE(bfin_twi1_resource),
        .resource = bfin_twi1_resource,
 };
-#endif
-#endif
+#endif /* CONFIG_BF542 */
+#endif /* CONFIG_I2C_BLACKFIN_TWI */
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/gpio_keys.h>
index 37302218ca4a2e9243bf0fc192047d12c4eac365..0f2367cc549311a3c8ba1911b0707699435716b2 100644 (file)
@@ -22,6 +22,7 @@
 #include <linux/bootmem.h>
 #include <linux/genalloc.h>
 #include <asm/dma-mapping.h>
+#include <linux/module.h>
 
 struct dma_map_ops *dma_ops;
 EXPORT_SYMBOL(dma_ops);
index 18c4f0b0f4baeb27adb741e7b88138aad100148a..ff02821bfb7ede3372d76d4f1657a1c3e08d1aea 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * Process creation support for Hexagon
  *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -88,7 +88,7 @@ void (*idle_sleep)(void) = default_idle;
 void cpu_idle(void)
 {
        while (1) {
-               tick_nohz_stop_sched_tick(1);
+               tick_nohz_idle_enter();
                local_irq_disable();
                while (!need_resched()) {
                        idle_sleep();
@@ -97,7 +97,7 @@ void cpu_idle(void)
                        local_irq_disable();
                }
                local_irq_enable();
-               tick_nohz_restart_sched_tick();
+               tick_nohz_idle_exit();
                schedule();
        }
 }
index 32342de1a79c7ae6951fe819c56de0d53a3b999d..96c3b2c4dbaded2a24bb0c62a13a5f669637c90d 100644 (file)
@@ -28,6 +28,7 @@
 #include <linux/ptrace.h>
 #include <linux/regset.h>
 #include <linux/user.h>
+#include <linux/elf.h>
 
 #include <asm/user.h>
 
index 9b44a9e2d05abcf77809cee85449d65bc78e8ef5..1298141874a3b4890d1dfab3c82529b49ecd5a78 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * SMP support for Hexagon
  *
- * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -28,6 +28,7 @@
 #include <linux/sched.h>
 #include <linux/smp.h>
 #include <linux/spinlock.h>
+#include <linux/cpu.h>
 
 #include <asm/time.h>    /*  timer_interrupt  */
 #include <asm/hexagon_vm.h>
@@ -177,7 +178,12 @@ void __cpuinit start_secondary(void)
 
        printk(KERN_INFO "%s cpu %d\n", __func__, current_thread_info()->cpu);
 
+       notify_cpu_starting(cpu);
+
+       ipi_call_lock();
        set_cpu_online(cpu, true);
+       ipi_call_unlock();
+
        local_irq_enable();
 
        cpu_idle();
index 6bee15c9c113d7854991597fa0d2f0b7af4f9b91..5d9b33b67935529a38c437be63c55f4556a7f0c3 100644 (file)
@@ -28,6 +28,7 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
+#include <linux/module.h>
 
 #include <asm/timer-regs.h>
 #include <asm/hexagon_vm.h>
index f212a453b527d09accbd09c16dbfa5ae506745e1..5d39f42f7085bb1fec3c44a101dceb3615c0cc2d 100644 (file)
@@ -21,6 +21,7 @@
 #include <linux/err.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
+#include <linux/binfmts.h>
 
 #include <asm/vdso.h>
 
index e648af92ced18b20384102912fbaeafc903ddfb0..0e40843a1c6ed58273c1a0e2eb22841e9007e977 100644 (file)
 #include <linux/atomic.h>
 
 
-/* Define a way to iterate across irqs. */
-#define for_each_irq(i) \
-       for ((i) = 0; (i) < NR_IRQS; ++(i))
-
 extern atomic_t ppc_n_lost_interrupts;
 
 /* This number is used when no interrupt has been assigned */
index 5ec1b2354ca62301b83019db2f342bd92c085b80..43eb74fcedde2806da8dd0c5193f3df4c91433dc 100644 (file)
@@ -330,14 +330,10 @@ void migrate_irqs(void)
 
        alloc_cpumask_var(&mask, GFP_KERNEL);
 
-       for_each_irq(irq) {
+       for_each_irq_desc(irq, desc) {
                struct irq_data *data;
                struct irq_chip *chip;
 
-               desc = irq_to_desc(irq);
-               if (!desc)
-                       continue;
-
                data = irq_desc_get_irq_data(desc);
                if (irqd_is_per_cpu(data))
                        continue;
index c957b1202bdca6162479f395c063979b73613ba8..5df777794403d49a3820add9ba6409701b295da4 100644 (file)
 
 void machine_kexec_mask_interrupts(void) {
        unsigned int i;
+       struct irq_desc *desc;
 
-       for_each_irq(i) {
-               struct irq_desc *desc = irq_to_desc(i);
+       for_each_irq_desc(i, desc) {
                struct irq_chip *chip;
 
-               if (!desc)
-                       continue;
-
                chip = irq_desc_get_chip(desc);
                if (!chip)
                        continue;
index d09f3e8e68670585230e52d33c28109d9ce6cf8e..85825b5401e51d936b81c99b8342b2f2a08cf6c1 100644 (file)
@@ -114,7 +114,7 @@ static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
                pr_devel("axon_msi: woff %x roff %x msi %x\n",
                          write_offset, msic->read_offset, msi);
 
-               if (msi < NR_IRQS && irq_get_chip_data(msi) == msic) {
+               if (msi < nr_irqs && irq_get_chip_data(msi) == msic) {
                        generic_handle_irq(msi);
                        msic->fifo_virt[idx] = cpu_to_le32(0xffffffff);
                } else {
@@ -276,9 +276,6 @@ static int axon_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
        if (rc)
                return rc;
 
-       /* We rely on being able to stash a virq in a u16 */
-       BUILD_BUG_ON(NR_IRQS > 65536);
-
        list_for_each_entry(entry, &dev->msi_list, list) {
                virq = irq_create_direct_mapping(msic->irq_domain);
                if (virq == NO_IRQ) {
@@ -392,7 +389,8 @@ static int axon_msi_probe(struct platform_device *device)
        }
        memset(msic->fifo_virt, 0xff, MSIC_FIFO_SIZE_BYTES);
 
-       msic->irq_domain = irq_domain_add_nomap(dn, 0, &msic_host_ops, msic);
+       /* We rely on being able to stash a virq in a u16, so limit irqs to < 65536 */
+       msic->irq_domain = irq_domain_add_nomap(dn, 65536, &msic_host_ops, msic);
        if (!msic->irq_domain) {
                printk(KERN_ERR "axon_msi: couldn't allocate irq_domain for %s\n",
                       dn->full_name);
index f9a48af335cb8d17b52cb1ed34503175d0772fef..8c6dc42ecf65440f0a488e84483b43cdbfa4816f 100644 (file)
@@ -248,6 +248,6 @@ void beatic_deinit_IRQ(void)
 {
        int     i;
 
-       for (i = 1; i < NR_IRQS; i++)
+       for (i = 1; i < nr_irqs; i++)
                beat_destruct_irq_plug(i);
 }
index 66ad93de1d5571f80b5431dd72b69b88b304f6fc..c4e630576ff283666f74c37ee985cf4f1b22b105 100644 (file)
@@ -57,9 +57,9 @@ static int max_real_irqs;
 
 static DEFINE_RAW_SPINLOCK(pmac_pic_lock);
 
-#define NR_MASK_WORDS  ((NR_IRQS + 31) / 32)
-static unsigned long ppc_lost_interrupts[NR_MASK_WORDS];
-static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
+/* The max irq number this driver deals with is 128; see max_irqs */
+static DECLARE_BITMAP(ppc_lost_interrupts, 128);
+static DECLARE_BITMAP(ppc_cached_irq_mask, 128);
 static int pmac_irq_cascade = -1;
 static struct irq_domain *pmac_pic_host;
 
index aadbe4f6d5373d03bef6fd8de146a02c43a04ceb..178a5f300bc973afeb8c4a21799992cbfbdc74e1 100644 (file)
@@ -30,9 +30,9 @@ config PPC_SPLPAR
          two or more partitions.
 
 config EEH
-       bool "PCI Extended Error Handling (EEH)" if EXPERT
+       bool
        depends on PPC_PSERIES && PCI
-       default y if !EXPERT
+       default y
 
 config PSERIES_MSI
        bool
index d3be961e2ae73d3fd9a3cebe0481a2f0f5e652ad..10386b676d8758b7f52bb8348f7cf321cc8db89a 100644 (file)
@@ -51,8 +51,7 @@
 static intctl_cpm2_t __iomem *cpm2_intctl;
 
 static struct irq_domain *cpm2_pic_host;
-#define NR_MASK_WORDS   ((NR_IRQS + 31) / 32)
-static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
+static unsigned long ppc_cached_irq_mask[2]; /* 2 32-bit registers */
 
 static const u_char irq_to_siureg[] = {
        1, 1, 1, 1, 1, 1, 1, 1,
index d5f5416be310b0fc5f78f7466cc5755b34a6f1cd..b724622c3a0b74ab5eddfa3b0cfc10dc6eab2c34 100644 (file)
 extern int cpm_get_irq(struct pt_regs *regs);
 
 static struct irq_domain *mpc8xx_pic_host;
-#define NR_MASK_WORDS   ((NR_IRQS + 31) / 32)
-static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
+static unsigned long mpc8xx_cached_irq_mask;
 static sysconf8xx_t __iomem *siu_reg;
 
-int cpm_get_irq(struct pt_regs *regs);
+static inline unsigned long mpc8xx_irqd_to_bit(struct irq_data *d)
+{
+       return 0x80000000 >> irqd_to_hwirq(d);
+}
 
 static void mpc8xx_unmask_irq(struct irq_data *d)
 {
-       int     bit, word;
-       unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
-
-       bit = irq_nr & 0x1f;
-       word = irq_nr >> 5;
-
-       ppc_cached_irq_mask[word] |= (1 << (31-bit));
-       out_be32(&siu_reg->sc_simask, ppc_cached_irq_mask[word]);
+       mpc8xx_cached_irq_mask |= mpc8xx_irqd_to_bit(d);
+       out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
 }
 
 static void mpc8xx_mask_irq(struct irq_data *d)
 {
-       int     bit, word;
-       unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
-
-       bit = irq_nr & 0x1f;
-       word = irq_nr >> 5;
-
-       ppc_cached_irq_mask[word] &= ~(1 << (31-bit));
-       out_be32(&siu_reg->sc_simask, ppc_cached_irq_mask[word]);
+       mpc8xx_cached_irq_mask &= ~mpc8xx_irqd_to_bit(d);
+       out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
 }
 
 static void mpc8xx_ack(struct irq_data *d)
 {
-       int     bit;
-       unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
-
-       bit = irq_nr & 0x1f;
-       out_be32(&siu_reg->sc_sipend, 1 << (31-bit));
+       out_be32(&siu_reg->sc_sipend, mpc8xx_irqd_to_bit(d));
 }
 
 static void mpc8xx_end_irq(struct irq_data *d)
 {
-       int bit, word;
-       unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
-
-       bit = irq_nr & 0x1f;
-       word = irq_nr >> 5;
-
-       ppc_cached_irq_mask[word] |= (1 << (31-bit));
-       out_be32(&siu_reg->sc_simask, ppc_cached_irq_mask[word]);
+       mpc8xx_cached_irq_mask |= mpc8xx_irqd_to_bit(d);
+       out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
 }
 
 static int mpc8xx_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
-       if (flow_type & IRQ_TYPE_EDGE_FALLING) {
-               irq_hw_number_t hw = (unsigned int)irqd_to_hwirq(d);
+       /* only external IRQ senses are programmable */
+       if ((flow_type & IRQ_TYPE_EDGE_FALLING) && !(irqd_to_hwirq(d) & 1)) {
                unsigned int siel = in_be32(&siu_reg->sc_siel);
-
-               /* only external IRQ senses are programmable */
-               if ((hw & 1) == 0) {
-                       siel |= (0x80000000 >> hw);
-                       out_be32(&siu_reg->sc_siel, siel);
-                       __irq_set_handler_locked(d->irq, handle_edge_irq);
-               }
+               siel |= mpc8xx_irqd_to_bit(d);
+               out_be32(&siu_reg->sc_siel, siel);
+               __irq_set_handler_locked(d->irq, handle_edge_irq);
        }
        return 0;
 }
@@ -132,6 +108,9 @@ static int mpc8xx_pic_host_xlate(struct irq_domain *h, struct device_node *ct,
                IRQ_TYPE_EDGE_FALLING,
        };
 
+       if (intspec[0] > 0x1f)
+               return 0;
+
        *out_hwirq = intspec[0];
        if (intsize > 1 && intspec[1] < 4)
                *out_flags = map_pic_senses[intspec[1]];
index 49a3ece1c6b3589971872bf4d440cab1e609d764..702256a1ca1184c3044c2ae981cbcaeacb571b88 100644 (file)
@@ -22,6 +22,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <asm/debug.h>
 #include <asm/prom.h>
 #include <asm/scom.h>
 
index ea5e204e345093cedfc320d06f23a804d3c8589e..cd1d18db92c6afdc5e35c7980b4e038b8a6057a4 100644 (file)
@@ -188,6 +188,7 @@ void xics_migrate_irqs_away(void)
 {
        int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id();
        unsigned int irq, virq;
+       struct irq_desc *desc;
 
        /* If we used to be the default server, move to the new "boot_cpuid" */
        if (hw_cpu == xics_default_server)
@@ -202,8 +203,7 @@ void xics_migrate_irqs_away(void)
        /* Allow IPIs again... */
        icp_ops->set_priority(DEFAULT_PRIORITY);
 
-       for_each_irq(virq) {
-               struct irq_desc *desc;
+       for_each_irq_desc(virq, desc) {
                struct irq_chip *chip;
                long server;
                unsigned long flags;
@@ -212,9 +212,8 @@ void xics_migrate_irqs_away(void)
                /* We can't set affinity on ISA interrupts */
                if (virq < NUM_ISA_INTERRUPTS)
                        continue;
-               desc = irq_to_desc(virq);
                /* We only need to migrate enabled IRQS */
-               if (!desc || !desc->action)
+               if (!desc->action)
                        continue;
                if (desc->irq_data.domain != xics_host)
                        continue;
index 37f2f4a55231f9c09854708b9f0b07c4f4ad2016..f4c1c20bcdf63289dfb0d94a3c2ed990482c337a 100644 (file)
@@ -11,7 +11,7 @@
 #include <linux/types.h>
 #include <asm/cmpxchg.h>
 
-#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
+#define ATOMIC_INIT(i) { (i) }
 
 #define atomic_read(v)         (*(volatile int *)&(v)->counter)
 #define atomic_set(v,i)                ((v)->counter = (i))
index 324eef93c90068ae91d202aebe986339aa8bf192..e99b104d967a3464d555459b024a19e09263815f 100644 (file)
@@ -86,7 +86,7 @@ static noinline int vmalloc_fault(unsigned long address)
        pte_t *pte_k;
 
        /* Make sure we are in vmalloc/module/P3 area: */
-       if (!(address >= VMALLOC_START && address < P3_ADDR_MAX))
+       if (!(address >= P3SEG && address < P3_ADDR_MAX))
                return -1;
 
        /*
index 5d5a635530bd5ed527eb6387ce3a0170d605e0b0..32e6cbe8dff3350d1d7e236691fced9a47bd2c8d 100644 (file)
@@ -47,8 +47,8 @@ struct pci_controller {
  */
 #define PCI_DMA_BUS_IS_PHYS     1
 
-int __devinit tile_pci_init(void);
-int __devinit pcibios_init(void);
+int __init tile_pci_init(void);
+int __init pcibios_init(void);
 
 static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr) {}
 
index a1bb59eecc1850bcd7aedf6f1ec538498e0d1573..b56d12bf5900c8f266132bc9b50dadfb092af10a 100644 (file)
@@ -141,7 +141,7 @@ static int __devinit tile_init_irqs(int controller_id,
  *
  * Returns the number of controllers discovered.
  */
-int __devinit tile_pci_init(void)
+int __init tile_pci_init(void)
 {
        int i;
 
@@ -287,7 +287,7 @@ static void __devinit fixup_read_and_payload_sizes(void)
  * The controllers have been set up by the time we get here, by a call to
  * tile_pci_init.
  */
-int __devinit pcibios_init(void)
+int __init pcibios_init(void)
 {
        int i;
 
index a0559930a180ecb810df4b186d173d6fb11e3755..c85e3ac99bbabc597d772cb85b4efd4d4b3bc291 100644 (file)
@@ -33,6 +33,9 @@
        __HEAD
 ENTRY(startup_32)
 #ifdef CONFIG_EFI_STUB
+       jmp     preferred_addr
+
+       .balign 0x10
        /*
         * We don't need the return address, so set up the stack so
         * efi_main() can find its arugments.
@@ -41,12 +44,17 @@ ENTRY(startup_32)
 
        call    efi_main
        cmpl    $0, %eax
-       je      preferred_addr
        movl    %eax, %esi
-       call    1f
+       jne     2f
 1:
+       /* EFI init failed, so hang. */
+       hlt
+       jmp     1b
+2:
+       call    3f
+3:
        popl    %eax
-       subl    $1b, %eax
+       subl    $3b, %eax
        subl    BP_pref_address(%esi), %eax
        add     BP_code32_start(%esi), %eax
        leal    preferred_addr(%eax), %eax
index 558d76ce23bcf3518a4c9b32bced0ef717be000e..87e03a13d8e3f5d9eaad2d515679d97887833ea2 100644 (file)
@@ -200,18 +200,28 @@ ENTRY(startup_64)
         * entire text+data+bss and hopefully all of memory.
         */
 #ifdef CONFIG_EFI_STUB
-       pushq   %rsi
+       /*
+        * The entry point for the PE/COFF executable is 0x210, so only
+        * legacy boot loaders will execute this jmp.
+        */
+       jmp     preferred_addr
+
+       .org 0x210
        mov     %rcx, %rdi
        mov     %rdx, %rsi
        call    efi_main
-       popq    %rsi
-       cmpq    $0,%rax
-       je      preferred_addr
        movq    %rax,%rsi
-       call    1f
+       cmpq    $0,%rax
+       jne     2f
 1:
+       /* EFI init failed, so hang. */
+       hlt
+       jmp     1b
+2:
+       call    3f
+3:
        popq    %rax
-       subq    $1b, %rax
+       subq    $3b, %rax
        subq    BP_pref_address(%rsi), %rax
        add     BP_code32_start(%esi), %eax
        leaq    preferred_addr(%rax), %rax
index ed549767a231eece626dd19cd64746cb2569b6f5..24443a3320838ede8cdf995525851794e8d1052a 100644 (file)
@@ -205,8 +205,13 @@ int main(int argc, char ** argv)
        put_unaligned_le32(file_sz, &buf[pe_header + 0x50]);
 
 #ifdef CONFIG_X86_32
-       /* Address of entry point */
-       put_unaligned_le32(i, &buf[pe_header + 0x28]);
+       /*
+        * Address of entry point.
+        *
+        * The EFI stub entry point is +16 bytes from the start of
+        * the .text section.
+        */
+       put_unaligned_le32(i + 16, &buf[pe_header + 0x28]);
 
        /* .text size */
        put_unaligned_le32(file_sz, &buf[pe_header + 0xb0]);
@@ -217,9 +222,11 @@ int main(int argc, char ** argv)
        /*
         * Address of entry point. startup_32 is at the beginning and
         * the 64-bit entry point (startup_64) is always 512 bytes
-        * after.
+        * after. The EFI stub entry point is 16 bytes after that, as
+        * the first instruction allows legacy loaders to jump over
+        * the EFI stub initialisation
         */
-       put_unaligned_le32(i + 512, &buf[pe_header + 0x28]);
+       put_unaligned_le32(i + 528, &buf[pe_header + 0x28]);
 
        /* .text size */
        put_unaligned_le32(file_sz, &buf[pe_header + 0xc0]);
index 3427b7798dbcdfed5a93f0e5d448feedb588846c..7ef7c3020e5c5bb8e34b4f573e02434b4202f806 100644 (file)
@@ -7,9 +7,9 @@
 #else
 # ifdef __i386__
 #  include "posix_types_32.h"
-# elif defined(__LP64__)
-#  include "posix_types_64.h"
-# else
+# elif defined(__ILP32__)
 #  include "posix_types_x32.h"
+# else
+#  include "posix_types_64.h"
 # endif
 #endif
index 4a085383af27effcab8935689ef63f0ba9304842..5ca71c065eef2d9a62af1defdb2b06ac7f64cbbd 100644 (file)
@@ -257,7 +257,7 @@ struct sigcontext {
        __u64 oldmask;
        __u64 cr2;
        struct _fpstate __user *fpstate;        /* zero when no FPU context */
-#ifndef __LP64__
+#ifdef __ILP32__
        __u32 __fpstate_pad;
 #endif
        __u64 reserved1[8];
index fc1aa553564604c405569eea428d3a10398bcc55..34c47b3341c0343a7bca3f09fa35e87121df08c8 100644 (file)
@@ -2,7 +2,13 @@
 #define _ASM_X86_SIGINFO_H
 
 #ifdef __x86_64__
-# define __ARCH_SI_PREAMBLE_SIZE       (4 * sizeof(int))
+# ifdef __ILP32__ /* x32 */
+typedef long long __kernel_si_clock_t __attribute__((aligned(4)));
+#  define __ARCH_SI_CLOCK_T            __kernel_si_clock_t
+#  define __ARCH_SI_ATTRIBUTES         __attribute__((aligned(8)))
+# else /* x86-64 */
+#  define __ARCH_SI_PREAMBLE_SIZE      (4 * sizeof(int))
+# endif
 #endif
 
 #include <asm-generic/siginfo.h>
index 37cdc9d99bb18097c5cde1895606864510de3f5f..4437001d8e3d124853e7e12289befb09c12b2e2f 100644 (file)
 #else
 # ifdef __i386__
 #  include <asm/unistd_32.h>
-# elif defined(__LP64__)
-#  include <asm/unistd_64.h>
-# else
+# elif defined(__ILP32__)
 #  include <asm/unistd_x32.h>
+# else
+#  include <asm/unistd_64.h>
 # endif
 #endif
 
index baaca8defec8032463d1a87d53137a8c88f63639..764b66a4cf896cc51cbbdc50f9455d51511b64c6 100644 (file)
@@ -195,6 +195,5 @@ extern struct x86_msi_ops x86_msi;
 
 extern void x86_init_noop(void);
 extern void x86_init_uint_noop(unsigned int unused);
-extern void x86_default_fixup_cpu_id(struct cpuinfo_x86 *c, int node);
 
 #endif
index 103b6ab368d39315bc752e02a7bdc5b83ede0acf..146a49c763a49085b50d5b3b6babcda74650463b 100644 (file)
@@ -24,6 +24,10 @@ unsigned long acpi_realmode_flags;
 static char temp_stack[4096];
 #endif
 
+asmlinkage void acpi_enter_s3(void)
+{
+       acpi_enter_sleep_state(3, wake_sleep_flags);
+}
 /**
  * acpi_suspend_lowlevel - save kernel state
  *
index 416d4be13fef6d16cc96936ae3f222a91040ccf0..d68677a2a01037a758496ee31aa575ccbb2badff 100644 (file)
@@ -3,12 +3,16 @@
  */
 
 #include <asm/trampoline.h>
+#include <linux/linkage.h>
 
 extern unsigned long saved_video_mode;
 extern long saved_magic;
 
 extern int wakeup_pmode_return;
 
+extern u8 wake_sleep_flags;
+extern asmlinkage void acpi_enter_s3(void);
+
 extern unsigned long acpi_copy_wakeup_routine(unsigned long);
 extern void wakeup_long64(void);
 
index 13ab720573e3e31e317ac52f977e168401552f17..72610839f03b3d45e8fa6adb49a13fe933b477b2 100644 (file)
@@ -74,9 +74,7 @@ restore_registers:
 ENTRY(do_suspend_lowlevel)
        call    save_processor_state
        call    save_registers
-       pushl   $3
-       call    acpi_enter_sleep_state
-       addl    $4, %esp
+       call    acpi_enter_s3
 
 #      In case of S3 failure, we'll emerge here.  Jump
 #      to ret_point to recover
index 8ea5164cbd0451a27b9048699f60c2420057edb3..014d1d28c397076606be9d50f04af06892bf2f03 100644 (file)
@@ -71,9 +71,7 @@ ENTRY(do_suspend_lowlevel)
        movq    %rsi, saved_rsi
 
        addq    $8, %rsp
-       movl    $3, %edi
-       xorl    %eax, %eax
-       call    acpi_enter_sleep_state
+       call    acpi_enter_s3
        /* in case something went wrong, restore the machine status and go on */
        jmp     resume_point
 
index 11544d8f1e975e30c1e3c0d9aafa58b4ba67a1da..edc24480469f10188e64855ff76f3df2dcab85c4 100644 (file)
@@ -1637,9 +1637,11 @@ static int __init apic_verify(void)
        mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
 
        /* The BIOS may have set up the APIC at some other address */
-       rdmsr(MSR_IA32_APICBASE, l, h);
-       if (l & MSR_IA32_APICBASE_ENABLE)
-               mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
+       if (boot_cpu_data.x86 >= 6) {
+               rdmsr(MSR_IA32_APICBASE, l, h);
+               if (l & MSR_IA32_APICBASE_ENABLE)
+                       mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
+       }
 
        pr_info("Found and enabled local APIC!\n");
        return 0;
@@ -1657,13 +1659,15 @@ int __init apic_force_enable(unsigned long addr)
         * MSR. This can only be done in software for Intel P6 or later
         * and AMD K7 (Model > 1) or later.
         */
-       rdmsr(MSR_IA32_APICBASE, l, h);
-       if (!(l & MSR_IA32_APICBASE_ENABLE)) {
-               pr_info("Local APIC disabled by BIOS -- reenabling.\n");
-               l &= ~MSR_IA32_APICBASE_BASE;
-               l |= MSR_IA32_APICBASE_ENABLE | addr;
-               wrmsr(MSR_IA32_APICBASE, l, h);
-               enabled_via_apicbase = 1;
+       if (boot_cpu_data.x86 >= 6) {
+               rdmsr(MSR_IA32_APICBASE, l, h);
+               if (!(l & MSR_IA32_APICBASE_ENABLE)) {
+                       pr_info("Local APIC disabled by BIOS -- reenabling.\n");
+                       l &= ~MSR_IA32_APICBASE_BASE;
+                       l |= MSR_IA32_APICBASE_ENABLE | addr;
+                       wrmsr(MSR_IA32_APICBASE, l, h);
+                       enabled_via_apicbase = 1;
+               }
        }
        return apic_verify();
 }
@@ -2209,10 +2213,12 @@ static void lapic_resume(void)
                 * FIXME! This will be wrong if we ever support suspend on
                 * SMP! We'll need to do this as part of the CPU restore!
                 */
-               rdmsr(MSR_IA32_APICBASE, l, h);
-               l &= ~MSR_IA32_APICBASE_BASE;
-               l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr;
-               wrmsr(MSR_IA32_APICBASE, l, h);
+               if (boot_cpu_data.x86 >= 6) {
+                       rdmsr(MSR_IA32_APICBASE, l, h);
+                       l &= ~MSR_IA32_APICBASE_BASE;
+                       l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr;
+                       wrmsr(MSR_IA32_APICBASE, l, h);
+               }
        }
 
        maxlvt = lapic_get_maxlvt();
index 899803e032142662650389d693ca4594a08ab18d..23e75422e0138aa42e58ff64a5a37322bd9f46bb 100644 (file)
@@ -207,8 +207,11 @@ static void __init map_csrs(void)
 
 static void fixup_cpu_id(struct cpuinfo_x86 *c, int node)
 {
-       c->phys_proc_id = node;
-       per_cpu(cpu_llc_id, smp_processor_id()) = node;
+
+       if (c->phys_proc_id != node) {
+               c->phys_proc_id = node;
+               per_cpu(cpu_llc_id, smp_processor_id()) = node;
+       }
 }
 
 static int __init numachip_system_init(void)
index 8a778db45e3a508ef2402596ee57884eaf639166..991e315f4227c8e69b5bac35372c15a86ab28b60 100644 (file)
@@ -24,6 +24,12 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
        if (x2apic_phys)
                return x2apic_enabled();
+       else if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
+               (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) &&
+               x2apic_enabled()) {
+               printk(KERN_DEBUG "System requires x2apic physical mode\n");
+               return 1;
+       }
        else
                return 0;
 }
index 0a44b90602b036584a6f499759b47c53028e10b2..1c67ca100e4cc96ad708b0707474a4b3d9f9d683 100644 (file)
@@ -26,7 +26,8 @@
  *     contact AMD for precise details and a CPU swap.
  *
  *     See     http://www.multimania.com/poulot/k6bug.html
- *             http://www.amd.com/K6/k6docs/revgd.html
+ *     and     section 2.6.2 of "AMD-K6 Processor Revision Guide - Model 6"
+ *             (Publication # 21266  Issue Date: August 1998)
  *
  *     The following test is erm.. interesting. AMD neglected to up
  *     the chip setting when fixing the bug but they also tweaked some
@@ -94,7 +95,6 @@ static void __cpuinit init_amd_k6(struct cpuinfo_x86 *c)
                                "system stability may be impaired when more than 32 MB are used.\n");
                else
                        printk(KERN_CONT "probably OK (after B9730xxxx).\n");
-               printk(KERN_INFO "Please see http://membres.lycos.fr/poulot/k6bug.html\n");
        }
 
        /* K6 with old style WHCR */
@@ -353,10 +353,11 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c)
                node = per_cpu(cpu_llc_id, cpu);
 
        /*
-        * If core numbers are inconsistent, it's likely a multi-fabric platform,
-        * so invoke platform-specific handler
+        * On multi-fabric platform (e.g. Numascale NumaChip) a
+        * platform-specific handler needs to be called to fixup some
+        * IDs of the CPU.
         */
-       if (c->phys_proc_id != node)
+       if (x86_cpuinit.fixup_cpu_id)
                x86_cpuinit.fixup_cpu_id(c, node);
 
        if (!node_online(node)) {
index 67e258362a3d56d7f94c675ec876705003469c3a..cf79302198a620bc1e1e60740487f33d5244edbe 100644 (file)
@@ -1162,15 +1162,6 @@ static void dbg_restore_debug_regs(void)
 #define dbg_restore_debug_regs()
 #endif /* ! CONFIG_KGDB */
 
-/*
- * Prints an error where the NUMA and configured core-number mismatch and the
- * platform didn't override this to fix it up
- */
-void __cpuinit x86_default_fixup_cpu_id(struct cpuinfo_x86 *c, int node)
-{
-       pr_err("NUMA core number %d differs from configured core number %d\n", node, c->phys_proc_id);
-}
-
 /*
  * cpu_init() initializes state that is per-CPU. Some data is already
  * initialized (naturally) in the bootstrap process, such as the GDT
index 73d08ed98a64fc8beafb3c2e6768d19f02c09f89..b8f3653dddbc2daccf1d0da1990e74b8cab57202 100644 (file)
@@ -433,14 +433,14 @@ int amd_set_l3_disable_slot(struct amd_northbridge *nb, int cpu, unsigned slot,
        /*  check if @slot is already used or the index is already disabled */
        ret = amd_get_l3_disable_slot(nb, slot);
        if (ret >= 0)
-               return -EINVAL;
+               return -EEXIST;
 
        if (index > nb->l3_cache.indices)
                return -EINVAL;
 
        /* check whether the other slot has disabled the same index already */
        if (index == amd_get_l3_disable_slot(nb, !slot))
-               return -EINVAL;
+               return -EEXIST;
 
        amd_l3_disable_index(nb, cpu, slot, index);
 
@@ -468,8 +468,8 @@ static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf,
        err = amd_set_l3_disable_slot(this_leaf->base.nb, cpu, slot, val);
        if (err) {
                if (err == -EEXIST)
-                       printk(KERN_WARNING "L3 disable slot %d in use!\n",
-                                           slot);
+                       pr_warning("L3 slot %d in use/index already disabled!\n",
+                                  slot);
                return err;
        }
        return count;
index 7734bcbb5a3a3b21e11374f82747972d678e8999..2d6e6498c176cda24349b01d5d89cd57b2cfb5ac 100644 (file)
@@ -235,6 +235,7 @@ int init_fpu(struct task_struct *tsk)
        if (tsk_used_math(tsk)) {
                if (HAVE_HWFP && tsk == current)
                        unlazy_fpu(tsk);
+               tsk->thread.fpu.last_cpu = ~0;
                return 0;
        }
 
index 73465aab28f87c09b5313e81e79d54a31afff1f1..8a2ce8fd41c0e68bbedc6fce685fb52c95502d24 100644 (file)
@@ -82,11 +82,6 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
 {
        struct cpuinfo_x86 *c = &cpu_data(cpu);
 
-       if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10) {
-               pr_warning("CPU%d: family %d not supported\n", cpu, c->x86);
-               return -1;
-       }
-
        csig->rev = c->microcode;
        pr_info("CPU%d: patch_level=0x%08x\n", cpu, csig->rev);
 
@@ -380,6 +375,13 @@ static struct microcode_ops microcode_amd_ops = {
 
 struct microcode_ops * __init init_amd_microcode(void)
 {
+       struct cpuinfo_x86 *c = &cpu_data(0);
+
+       if (c->x86_vendor != X86_VENDOR_AMD || c->x86 < 0x10) {
+               pr_warning("AMD CPU family 0x%x not supported\n", c->x86);
+               return NULL;
+       }
+
        patch = (void *)get_zeroed_page(GFP_KERNEL);
        if (!patch)
                return NULL;
index 87a0f868830141cc6e508341c756640ace7fc34c..c9bda6d6035c83b06b2ac5e26aebca76b9fc4f34 100644 (file)
@@ -419,10 +419,8 @@ static int mc_device_add(struct device *dev, struct subsys_interface *sif)
        if (err)
                return err;
 
-       if (microcode_init_cpu(cpu) == UCODE_ERROR) {
-               sysfs_remove_group(&dev->kobj, &mc_attr_group);
+       if (microcode_init_cpu(cpu) == UCODE_ERROR)
                return -EINVAL;
-       }
 
        return err;
 }
@@ -528,11 +526,11 @@ static int __init microcode_init(void)
                microcode_ops = init_intel_microcode();
        else if (c->x86_vendor == X86_VENDOR_AMD)
                microcode_ops = init_amd_microcode();
-
-       if (!microcode_ops) {
+       else
                pr_err("no support for this CPU vendor\n");
+
+       if (!microcode_ops)
                return -ENODEV;
-       }
 
        microcode_pdev = platform_device_register_simple("microcode", -1,
                                                         NULL, 0);
index e9f265fd79ae11db4d5234e7b7462134c6220619..9cf71d0b2d373598b4db57b508061c08cd44e19b 100644 (file)
@@ -93,7 +93,6 @@ struct x86_init_ops x86_init __initdata = {
 struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
        .early_percpu_clock_init        = x86_init_noop,
        .setup_percpu_clockev           = setup_secondary_APIC_clock,
-       .fixup_cpu_id                   = x86_default_fixup_cpu_id,
 };
 
 static void default_nmi_init(void) { };
index e0a37233c0af7ca57362d23b3aba75a4d8bca30e..e31bcd8f2eeef2af6d2db13b824864b74867767d 100644 (file)
@@ -805,7 +805,7 @@ void intel_scu_devices_create(void)
                } else
                        i2c_register_board_info(i2c_bus[i], i2c_devs[i], 1);
        }
-       intel_scu_notifier_post(SCU_AVAILABLE, 0L);
+       intel_scu_notifier_post(SCU_AVAILABLE, NULL);
 }
 EXPORT_SYMBOL_GPL(intel_scu_devices_create);
 
@@ -814,7 +814,7 @@ void intel_scu_devices_destroy(void)
 {
        int i;
 
-       intel_scu_notifier_post(SCU_DOWN, 0L);
+       intel_scu_notifier_post(SCU_DOWN, NULL);
 
        for (i = 0; i < ipc_next_dev; i++)
                platform_device_del(ipc_devs[i]);
index 4f51bebac02c1493c5ed9a606327bf854b22be91..a8f8844b8d32690b8a189bc37d12cd3f286a81cd 100644 (file)
@@ -261,7 +261,8 @@ static void xen_cpuid(unsigned int *ax, unsigned int *bx,
 
 static bool __init xen_check_mwait(void)
 {
-#ifdef CONFIG_ACPI
+#if defined(CONFIG_ACPI) && !defined(CONFIG_ACPI_PROCESSOR_AGGREGATOR) && \
+       !defined(CONFIG_ACPI_PROCESSOR_AGGREGATOR_MODULE)
        struct xen_platform_op op = {
                .cmd                    = XENPF_set_processor_pminfo,
                .u.set_pminfo.id        = -1,
@@ -349,7 +350,6 @@ static void __init xen_init_cpuid_mask(void)
        /* Xen will set CR4.OSXSAVE if supported and not disabled by force */
        if ((cx & xsave_mask) != xsave_mask)
                cpuid_leaf1_ecx_mask &= ~xsave_mask; /* disable XSAVE & OSXSAVE */
-
        if (xen_check_mwait())
                cpuid_leaf1_ecx_set_mask = (1 << (X86_FEATURE_MWAIT % 32));
 }
index 5fac6919b957fa88a9b9cc130007671ffbc00d13..0503c0c493a9a64bf44b41fb237831cb290203fc 100644 (file)
@@ -178,6 +178,7 @@ static void __init xen_fill_possible_map(void)
 static void __init xen_filter_cpu_maps(void)
 {
        int i, rc;
+       unsigned int subtract = 0;
 
        if (!xen_initial_domain())
                return;
@@ -192,8 +193,22 @@ static void __init xen_filter_cpu_maps(void)
                } else {
                        set_cpu_possible(i, false);
                        set_cpu_present(i, false);
+                       subtract++;
                }
        }
+#ifdef CONFIG_HOTPLUG_CPU
+       /* This is akin to using 'nr_cpus' on the Linux command line.
+        * Which is OK as when we use 'dom0_max_vcpus=X' we can only
+        * have up to X, while nr_cpu_ids is greater than X. This
+        * normally is not a problem, except when CPU hotplugging
+        * is involved and then there might be more than X CPUs
+        * in the guest - which will not work as there is no
+        * hypercall to expand the max number of VCPUs an already
+        * running guest has. So cap it up to X. */
+       if (subtract)
+               nr_cpu_ids = nr_cpu_ids - subtract;
+#endif
+
 }
 
 static void __init xen_smp_prepare_boot_cpu(void)
index 79d7362ad6d1f0e0a6fab6aad37700e2a5dd038a..3e45aa000718aa2cd63d78f5c849e42666905d0e 100644 (file)
@@ -96,7 +96,7 @@ ENTRY(xen_restore_fl_direct)
 
        /* check for unmasked and pending */
        cmpw $0x0001, PER_CPU_VAR(xen_vcpu_info) + XEN_vcpu_info_pending
-       jz 1f
+       jnz 1f
 2:     call check_events
 1:
 ENDPATCH(xen_restore_fl_direct)
index 26664cef8f11dc990383fb62d7a5f8f6e4d1aac1..91695a135498cb45958881747f749bb48d98aab9 100644 (file)
@@ -11,9 +11,6 @@
 #ifndef _XTENSA_HARDIRQ_H
 #define _XTENSA_HARDIRQ_H
 
-void ack_bad_irq(unsigned int irq);
-#define ack_bad_irq ack_bad_irq
-
 #include <asm-generic/hardirq.h>
 
 #endif /* _XTENSA_HARDIRQ_H */
index d04cd3a625fa54906eda4e4339855c19aaecc5f5..4beb43c087d3dd6498daa296548c29b854701c5d 100644 (file)
@@ -14,6 +14,7 @@
 #ifdef __KERNEL__
 #include <asm/byteorder.h>
 #include <asm/page.h>
+#include <linux/bug.h>
 #include <linux/kernel.h>
 
 #include <linux/types.h>
index b69b000349fcdb20888a6e080cf8045ae82fc6b7..d78869a00b11c8a2a4584d26b6528dd98ff685c7 100644 (file)
@@ -496,6 +496,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
        if (signr > 0) {
+               int ret;
 
                /* Are we from a system call? */
 
index 1d661b5c3287fb4b5083a6636d13e48643da8d51..eb6fd233764bdeb7f28bc04626c23a1488db9af7 100644 (file)
 #include "internal.h"
 #include "sleep.h"
 
+u8 wake_sleep_flags = ACPI_NO_OPTIONAL_METHODS;
 static unsigned int gts, bfs;
-module_param(gts, uint, 0644);
-module_param(bfs, uint, 0644);
-MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend.");
-MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
-
-static u8 wake_sleep_flags(void)
+static int set_param_wake_flag(const char *val, struct kernel_param *kp)
 {
-       u8 flags = ACPI_NO_OPTIONAL_METHODS;
+       int ret = param_set_int(val, kp);
 
-       if (gts)
-               flags |= ACPI_EXECUTE_GTS;
-       if (bfs)
-               flags |= ACPI_EXECUTE_BFS;
+       if (ret)
+               return ret;
 
-       return flags;
+       if (kp->arg == (const char *)&gts) {
+               if (gts)
+                       wake_sleep_flags |= ACPI_EXECUTE_GTS;
+               else
+                       wake_sleep_flags &= ~ACPI_EXECUTE_GTS;
+       }
+       if (kp->arg == (const char *)&bfs) {
+               if (bfs)
+                       wake_sleep_flags |= ACPI_EXECUTE_BFS;
+               else
+                       wake_sleep_flags &= ~ACPI_EXECUTE_BFS;
+       }
+       return ret;
 }
+module_param_call(gts, set_param_wake_flag, param_get_int, &gts, 0644);
+module_param_call(bfs, set_param_wake_flag, param_get_int, &bfs, 0644);
+MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend.");
+MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
 
 static u8 sleep_states[ACPI_S_STATE_COUNT];
 
@@ -263,7 +273,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
 {
        acpi_status status = AE_OK;
        u32 acpi_state = acpi_target_sleep_state;
-       u8 flags = wake_sleep_flags();
        int error;
 
        ACPI_FLUSH_CPU_CACHE();
@@ -271,7 +280,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
        switch (acpi_state) {
        case ACPI_STATE_S1:
                barrier();
-               status = acpi_enter_sleep_state(acpi_state, flags);
+               status = acpi_enter_sleep_state(acpi_state, wake_sleep_flags);
                break;
 
        case ACPI_STATE_S3:
@@ -286,7 +295,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
        acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
 
        /* Reprogram control registers and execute _BFS */
-       acpi_leave_sleep_state_prep(acpi_state, flags);
+       acpi_leave_sleep_state_prep(acpi_state, wake_sleep_flags);
 
        /* ACPI 3.0 specs (P62) says that it's the responsibility
         * of the OSPM to clear the status bit [ implying that the
@@ -550,30 +559,27 @@ static int acpi_hibernation_begin(void)
 
 static int acpi_hibernation_enter(void)
 {
-       u8 flags = wake_sleep_flags();
        acpi_status status = AE_OK;
 
        ACPI_FLUSH_CPU_CACHE();
 
        /* This shouldn't return.  If it returns, we have a problem */
-       status = acpi_enter_sleep_state(ACPI_STATE_S4, flags);
+       status = acpi_enter_sleep_state(ACPI_STATE_S4, wake_sleep_flags);
        /* Reprogram control registers and execute _BFS */
-       acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags);
+       acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
 
        return ACPI_SUCCESS(status) ? 0 : -EFAULT;
 }
 
 static void acpi_hibernation_leave(void)
 {
-       u8 flags = wake_sleep_flags();
-
        /*
         * If ACPI is not enabled by the BIOS and the boot kernel, we need to
         * enable it here.
         */
        acpi_enable();
        /* Reprogram control registers and execute _BFS */
-       acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags);
+       acpi_leave_sleep_state_prep(ACPI_STATE_S4, wake_sleep_flags);
        /* Check the hardware signature */
        if (facs && s4_hardware_signature != facs->hardware_signature) {
                printk(KERN_EMERG "ACPI: Hardware changed while hibernated, "
@@ -828,12 +834,10 @@ static void acpi_power_off_prepare(void)
 
 static void acpi_power_off(void)
 {
-       u8 flags = wake_sleep_flags();
-
        /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
        printk(KERN_DEBUG "%s called\n", __func__);
        local_irq_disable();
-       acpi_enter_sleep_state(ACPI_STATE_S5, flags);
+       acpi_enter_sleep_state(ACPI_STATE_S5, wake_sleep_flags);
 }
 
 /*
index 93dabdcd2cbe3712191f4ae05c0720a1bf42549d..22226350cd0c296b2849e59bc3f1b5e2927da9d2 100644 (file)
@@ -3399,7 +3399,8 @@ int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht)
                 */
                shost->max_host_blocked = 1;
 
-               rc = scsi_add_host(ap->scsi_host, &ap->tdev);
+               rc = scsi_add_host_with_dma(ap->scsi_host,
+                                               &ap->tdev, ap->host->dev);
                if (rc)
                        goto err_add;
        }
@@ -3838,18 +3839,25 @@ void ata_sas_port_stop(struct ata_port *ap)
 }
 EXPORT_SYMBOL_GPL(ata_sas_port_stop);
 
-int ata_sas_async_port_init(struct ata_port *ap)
+/**
+ * ata_sas_async_probe - simply schedule probing and return
+ * @ap: Port to probe
+ *
+ * For batch scheduling of probe for sas attached ata devices, assumes
+ * the port has already been through ata_sas_port_init()
+ */
+void ata_sas_async_probe(struct ata_port *ap)
 {
-       int rc = ap->ops->port_start(ap);
-
-       if (!rc) {
-               ap->print_id = atomic_inc_return(&ata_print_id);
-               __ata_port_probe(ap);
-       }
+       __ata_port_probe(ap);
+}
+EXPORT_SYMBOL_GPL(ata_sas_async_probe);
 
-       return rc;
+int ata_sas_sync_probe(struct ata_port *ap)
+{
+       return ata_port_probe(ap);
 }
-EXPORT_SYMBOL_GPL(ata_sas_async_port_init);
+EXPORT_SYMBOL_GPL(ata_sas_sync_probe);
+
 
 /**
  *     ata_sas_port_init - Initialize a SATA device
@@ -3866,12 +3874,10 @@ int ata_sas_port_init(struct ata_port *ap)
 {
        int rc = ap->ops->port_start(ap);
 
-       if (!rc) {
-               ap->print_id = atomic_inc_return(&ata_print_id);
-               rc = ata_port_probe(ap);
-       }
-
-       return rc;
+       if (rc)
+               return rc;
+       ap->print_id = atomic_inc_return(&ata_print_id);
+       return 0;
 }
 EXPORT_SYMBOL_GPL(ata_sas_port_init);
 
index c301a8ec31aa109583cd4ab54bc9304c3e95ceb2..3d704abd7912b1ce9a2bd236e84188fdd81aace3 100644 (file)
@@ -1429,6 +1429,7 @@ static int pl08x_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
                         * signal
                         */
                        release_phy_channel(plchan);
+                       plchan->phychan_hold = 0;
                }
                /* Dequeue jobs and free LLIs */
                if (plchan->at) {
index 7aa58d2048923721d7448464120515137ecc961f..445fdf8116959e91bff7469bf45c6283e057b198 100644 (file)
@@ -221,10 +221,6 @@ static void atc_dostart(struct at_dma_chan *atchan, struct at_desc *first)
 
        vdbg_dump_regs(atchan);
 
-       /* clear any pending interrupt */
-       while (dma_readl(atdma, EBCISR))
-               cpu_relax();
-
        channel_writel(atchan, SADDR, 0);
        channel_writel(atchan, DADDR, 0);
        channel_writel(atchan, CTRLA, 0);
index a45b5d2a59879a02b3566dfaf2c8304f8d693921..bb787d8e15296ed17eef8032be17f4b52647d173 100644 (file)
@@ -571,11 +571,14 @@ static void imxdma_tasklet(unsigned long data)
        if (desc->desc.callback)
                desc->desc.callback(desc->desc.callback_param);
 
-       dma_cookie_complete(&desc->desc);
-
-       /* If we are dealing with a cyclic descriptor keep it on ld_active */
+       /* If we are dealing with a cyclic descriptor keep it on ld_active
+        * and dont mark the descripor as complete.
+        * Only in non-cyclic cases it would be marked as complete
+        */
        if (imxdma_chan_is_doing_cyclic(imxdmac))
                goto out;
+       else
+               dma_cookie_complete(&desc->desc);
 
        /* Free 2D slot if it was an interleaved transfer */
        if (imxdmac->enabled_2d) {
index c81ef7e10e08283ce8eaf4fadf6166b5d3ddc19c..655d4ce6ed0d94fcae71ed687641f707e08a8ed8 100644 (file)
@@ -201,10 +201,6 @@ static struct mxs_dma_chan *to_mxs_dma_chan(struct dma_chan *chan)
 
 static dma_cookie_t mxs_dma_tx_submit(struct dma_async_tx_descriptor *tx)
 {
-       struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(tx->chan);
-
-       mxs_dma_enable_chan(mxs_chan);
-
        return dma_cookie_assign(tx);
 }
 
@@ -558,9 +554,9 @@ static enum dma_status mxs_dma_tx_status(struct dma_chan *chan,
 
 static void mxs_dma_issue_pending(struct dma_chan *chan)
 {
-       /*
-        * Nothing to do. We only have a single descriptor.
-        */
+       struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);
+
+       mxs_dma_enable_chan(mxs_chan);
 }
 
 static int __init mxs_dma_init(struct mxs_dma_engine *mxs_dma)
index 282caf118be819c5e9257754a369efd292607951..2ee6e23930ad3258e89bef7513e2c3158b7fe06f 100644 (file)
@@ -2225,12 +2225,9 @@ static inline void free_desc_list(struct list_head *list)
 {
        struct dma_pl330_dmac *pdmac;
        struct dma_pl330_desc *desc;
-       struct dma_pl330_chan *pch;
+       struct dma_pl330_chan *pch = NULL;
        unsigned long flags;
 
-       if (list_empty(list))
-               return;
-
        /* Finish off the work list */
        list_for_each_entry(desc, list, node) {
                dma_async_tx_callback callback;
@@ -2247,6 +2244,10 @@ static inline void free_desc_list(struct list_head *list)
                desc->pchan = NULL;
        }
 
+       /* pch will be unset if list was empty */
+       if (!pch)
+               return;
+
        pdmac = pch->dmac;
 
        spin_lock_irqsave(&pdmac->pool_lock, flags);
@@ -2257,12 +2258,9 @@ static inline void free_desc_list(struct list_head *list)
 static inline void handle_cyclic_desc_list(struct list_head *list)
 {
        struct dma_pl330_desc *desc;
-       struct dma_pl330_chan *pch;
+       struct dma_pl330_chan *pch = NULL;
        unsigned long flags;
 
-       if (list_empty(list))
-               return;
-
        list_for_each_entry(desc, list, node) {
                dma_async_tx_callback callback;
 
@@ -2274,6 +2272,10 @@ static inline void handle_cyclic_desc_list(struct list_head *list)
                        callback(desc->txd.callback_param);
        }
 
+       /* pch will be unset if list was empty */
+       if (!pch)
+               return;
+
        spin_lock_irqsave(&pch->lock, flags);
        list_splice_tail_init(list, &pch->work_list);
        spin_unlock_irqrestore(&pch->lock, flags);
@@ -2926,8 +2928,11 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
        INIT_LIST_HEAD(&pd->channels);
 
        /* Initialize channel parameters */
-       num_chan = max(pdat ? pdat->nr_valid_peri : (u8)pi->pcfg.num_peri,
-                       (u8)pi->pcfg.num_chan);
+       if (pdat)
+               num_chan = max_t(int, pdat->nr_valid_peri, pi->pcfg.num_chan);
+       else
+               num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan);
+
        pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL);
 
        for (i = 0; i < num_chan; i++) {
index bdd41d4bfa8d8f8bd129e4efffbf0b7187755fa1..2ed1ac3513f3d4de118d7937f40fadc202748a93 100644 (file)
@@ -18,6 +18,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/err.h>
 #include <linux/amba/bus.h>
+#include <linux/regulator/consumer.h>
 
 #include <plat/ste_dma40.h>
 
@@ -68,6 +69,22 @@ enum d40_command {
        D40_DMA_SUSPENDED       = 3
 };
 
+/*
+ * enum d40_events - The different Event Enables for the event lines.
+ *
+ * @D40_DEACTIVATE_EVENTLINE: De-activate Event line, stopping the logical chan.
+ * @D40_ACTIVATE_EVENTLINE: Activate the Event line, to start a logical chan.
+ * @D40_SUSPEND_REQ_EVENTLINE: Requesting for suspending a event line.
+ * @D40_ROUND_EVENTLINE: Status check for event line.
+ */
+
+enum d40_events {
+       D40_DEACTIVATE_EVENTLINE        = 0,
+       D40_ACTIVATE_EVENTLINE          = 1,
+       D40_SUSPEND_REQ_EVENTLINE       = 2,
+       D40_ROUND_EVENTLINE             = 3
+};
+
 /*
  * These are the registers that has to be saved and later restored
  * when the DMA hw is powered off.
@@ -870,8 +887,8 @@ static void d40_save_restore_registers(struct d40_base *base, bool save)
 }
 #endif
 
-static int d40_channel_execute_command(struct d40_chan *d40c,
-                                      enum d40_command command)
+static int __d40_execute_command_phy(struct d40_chan *d40c,
+                                    enum d40_command command)
 {
        u32 status;
        int i;
@@ -880,6 +897,12 @@ static int d40_channel_execute_command(struct d40_chan *d40c,
        unsigned long flags;
        u32 wmask;
 
+       if (command == D40_DMA_STOP) {
+               ret = __d40_execute_command_phy(d40c, D40_DMA_SUSPEND_REQ);
+               if (ret)
+                       return ret;
+       }
+
        spin_lock_irqsave(&d40c->base->execmd_lock, flags);
 
        if (d40c->phy_chan->num % 2 == 0)
@@ -973,67 +996,109 @@ static void d40_term_all(struct d40_chan *d40c)
                }
 
        d40c->pending_tx = 0;
-       d40c->busy = false;
 }
 
-static void __d40_config_set_event(struct d40_chan *d40c, bool enable,
-                                  u32 event, int reg)
+static void __d40_config_set_event(struct d40_chan *d40c,
+                                  enum d40_events event_type, u32 event,
+                                  int reg)
 {
        void __iomem *addr = chan_base(d40c) + reg;
        int tries;
+       u32 status;
+
+       switch (event_type) {
+
+       case D40_DEACTIVATE_EVENTLINE:
 
-       if (!enable) {
                writel((D40_DEACTIVATE_EVENTLINE << D40_EVENTLINE_POS(event))
                       | ~D40_EVENTLINE_MASK(event), addr);
-               return;
-       }
+               break;
+
+       case D40_SUSPEND_REQ_EVENTLINE:
+               status = (readl(addr) & D40_EVENTLINE_MASK(event)) >>
+                         D40_EVENTLINE_POS(event);
+
+               if (status == D40_DEACTIVATE_EVENTLINE ||
+                   status == D40_SUSPEND_REQ_EVENTLINE)
+                       break;
 
+               writel((D40_SUSPEND_REQ_EVENTLINE << D40_EVENTLINE_POS(event))
+                      | ~D40_EVENTLINE_MASK(event), addr);
+
+               for (tries = 0 ; tries < D40_SUSPEND_MAX_IT; tries++) {
+
+                       status = (readl(addr) & D40_EVENTLINE_MASK(event)) >>
+                                 D40_EVENTLINE_POS(event);
+
+                       cpu_relax();
+                       /*
+                        * Reduce the number of bus accesses while
+                        * waiting for the DMA to suspend.
+                        */
+                       udelay(3);
+
+                       if (status == D40_DEACTIVATE_EVENTLINE)
+                               break;
+               }
+
+               if (tries == D40_SUSPEND_MAX_IT) {
+                       chan_err(d40c,
+                               "unable to stop the event_line chl %d (log: %d)"
+                               "status %x\n", d40c->phy_chan->num,
+                                d40c->log_num, status);
+               }
+               break;
+
+       case D40_ACTIVATE_EVENTLINE:
        /*
         * The hardware sometimes doesn't register the enable when src and dst
         * event lines are active on the same logical channel.  Retry to ensure
         * it does.  Usually only one retry is sufficient.
         */
-       tries = 100;
-       while (--tries) {
-               writel((D40_ACTIVATE_EVENTLINE << D40_EVENTLINE_POS(event))
-                      | ~D40_EVENTLINE_MASK(event), addr);
+               tries = 100;
+               while (--tries) {
+                       writel((D40_ACTIVATE_EVENTLINE <<
+                               D40_EVENTLINE_POS(event)) |
+                               ~D40_EVENTLINE_MASK(event), addr);
 
-               if (readl(addr) & D40_EVENTLINE_MASK(event))
-                       break;
-       }
+                       if (readl(addr) & D40_EVENTLINE_MASK(event))
+                               break;
+               }
 
-       if (tries != 99)
-               dev_dbg(chan2dev(d40c),
-                       "[%s] workaround enable S%cLNK (%d tries)\n",
-                       __func__, reg == D40_CHAN_REG_SSLNK ? 'S' : 'D',
-                       100 - tries);
+               if (tries != 99)
+                       dev_dbg(chan2dev(d40c),
+                               "[%s] workaround enable S%cLNK (%d tries)\n",
+                               __func__, reg == D40_CHAN_REG_SSLNK ? 'S' : 'D',
+                               100 - tries);
 
-       WARN_ON(!tries);
-}
+               WARN_ON(!tries);
+               break;
 
-static void d40_config_set_event(struct d40_chan *d40c, bool do_enable)
-{
-       unsigned long flags;
+       case D40_ROUND_EVENTLINE:
+               BUG();
+               break;
 
-       spin_lock_irqsave(&d40c->phy_chan->lock, flags);
+       }
+}
 
+static void d40_config_set_event(struct d40_chan *d40c,
+                                enum d40_events event_type)
+{
        /* Enable event line connected to device (or memcpy) */
        if ((d40c->dma_cfg.dir ==  STEDMA40_PERIPH_TO_MEM) ||
            (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH)) {
                u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.src_dev_type);
 
-               __d40_config_set_event(d40c, do_enable, event,
+               __d40_config_set_event(d40c, event_type, event,
                                       D40_CHAN_REG_SSLNK);
        }
 
        if (d40c->dma_cfg.dir !=  STEDMA40_PERIPH_TO_MEM) {
                u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dst_dev_type);
 
-               __d40_config_set_event(d40c, do_enable, event,
+               __d40_config_set_event(d40c, event_type, event,
                                       D40_CHAN_REG_SDLNK);
        }
-
-       spin_unlock_irqrestore(&d40c->phy_chan->lock, flags);
 }
 
 static u32 d40_chan_has_events(struct d40_chan *d40c)
@@ -1047,6 +1112,64 @@ static u32 d40_chan_has_events(struct d40_chan *d40c)
        return val;
 }
 
+static int
+__d40_execute_command_log(struct d40_chan *d40c, enum d40_command command)
+{
+       unsigned long flags;
+       int ret = 0;
+       u32 active_status;
+       void __iomem *active_reg;
+
+       if (d40c->phy_chan->num % 2 == 0)
+               active_reg = d40c->base->virtbase + D40_DREG_ACTIVE;
+       else
+               active_reg = d40c->base->virtbase + D40_DREG_ACTIVO;
+
+
+       spin_lock_irqsave(&d40c->phy_chan->lock, flags);
+
+       switch (command) {
+       case D40_DMA_STOP:
+       case D40_DMA_SUSPEND_REQ:
+
+               active_status = (readl(active_reg) &
+                                D40_CHAN_POS_MASK(d40c->phy_chan->num)) >>
+                                D40_CHAN_POS(d40c->phy_chan->num);
+
+               if (active_status == D40_DMA_RUN)
+                       d40_config_set_event(d40c, D40_SUSPEND_REQ_EVENTLINE);
+               else
+                       d40_config_set_event(d40c, D40_DEACTIVATE_EVENTLINE);
+
+               if (!d40_chan_has_events(d40c) && (command == D40_DMA_STOP))
+                       ret = __d40_execute_command_phy(d40c, command);
+
+               break;
+
+       case D40_DMA_RUN:
+
+               d40_config_set_event(d40c, D40_ACTIVATE_EVENTLINE);
+               ret = __d40_execute_command_phy(d40c, command);
+               break;
+
+       case D40_DMA_SUSPENDED:
+               BUG();
+               break;
+       }
+
+       spin_unlock_irqrestore(&d40c->phy_chan->lock, flags);
+       return ret;
+}
+
+static int d40_channel_execute_command(struct d40_chan *d40c,
+                                      enum d40_command command)
+{
+       if (chan_is_logical(d40c))
+               return __d40_execute_command_log(d40c, command);
+       else
+               return __d40_execute_command_phy(d40c, command);
+}
+
 static u32 d40_get_prmo(struct d40_chan *d40c)
 {
        static const unsigned int phy_map[] = {
@@ -1149,15 +1272,7 @@ static int d40_pause(struct d40_chan *d40c)
        spin_lock_irqsave(&d40c->lock, flags);
 
        res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
-       if (res == 0) {
-               if (chan_is_logical(d40c)) {
-                       d40_config_set_event(d40c, false);
-                       /* Resume the other logical channels if any */
-                       if (d40_chan_has_events(d40c))
-                               res = d40_channel_execute_command(d40c,
-                                                                 D40_DMA_RUN);
-               }
-       }
+
        pm_runtime_mark_last_busy(d40c->base->dev);
        pm_runtime_put_autosuspend(d40c->base->dev);
        spin_unlock_irqrestore(&d40c->lock, flags);
@@ -1174,45 +1289,17 @@ static int d40_resume(struct d40_chan *d40c)
 
        spin_lock_irqsave(&d40c->lock, flags);
        pm_runtime_get_sync(d40c->base->dev);
-       if (d40c->base->rev == 0)
-               if (chan_is_logical(d40c)) {
-                       res = d40_channel_execute_command(d40c,
-                                                         D40_DMA_SUSPEND_REQ);
-                       goto no_suspend;
-               }
 
        /* If bytes left to transfer or linked tx resume job */
-       if (d40_residue(d40c) || d40_tx_is_linked(d40c)) {
-
-               if (chan_is_logical(d40c))
-                       d40_config_set_event(d40c, true);
-
+       if (d40_residue(d40c) || d40_tx_is_linked(d40c))
                res = d40_channel_execute_command(d40c, D40_DMA_RUN);
-       }
 
-no_suspend:
        pm_runtime_mark_last_busy(d40c->base->dev);
        pm_runtime_put_autosuspend(d40c->base->dev);
        spin_unlock_irqrestore(&d40c->lock, flags);
        return res;
 }
 
-static int d40_terminate_all(struct d40_chan *chan)
-{
-       unsigned long flags;
-       int ret = 0;
-
-       ret = d40_pause(chan);
-       if (!ret && chan_is_physical(chan))
-               ret = d40_channel_execute_command(chan, D40_DMA_STOP);
-
-       spin_lock_irqsave(&chan->lock, flags);
-       d40_term_all(chan);
-       spin_unlock_irqrestore(&chan->lock, flags);
-
-       return ret;
-}
-
 static dma_cookie_t d40_tx_submit(struct dma_async_tx_descriptor *tx)
 {
        struct d40_chan *d40c = container_of(tx->chan,
@@ -1232,20 +1319,6 @@ static dma_cookie_t d40_tx_submit(struct dma_async_tx_descriptor *tx)
 
 static int d40_start(struct d40_chan *d40c)
 {
-       if (d40c->base->rev == 0) {
-               int err;
-
-               if (chan_is_logical(d40c)) {
-                       err = d40_channel_execute_command(d40c,
-                                                         D40_DMA_SUSPEND_REQ);
-                       if (err)
-                               return err;
-               }
-       }
-
-       if (chan_is_logical(d40c))
-               d40_config_set_event(d40c, true);
-
        return d40_channel_execute_command(d40c, D40_DMA_RUN);
 }
 
@@ -1258,10 +1331,10 @@ static struct d40_desc *d40_queue_start(struct d40_chan *d40c)
        d40d = d40_first_queued(d40c);
 
        if (d40d != NULL) {
-               if (!d40c->busy)
+               if (!d40c->busy) {
                        d40c->busy = true;
-
-               pm_runtime_get_sync(d40c->base->dev);
+                       pm_runtime_get_sync(d40c->base->dev);
+               }
 
                /* Remove from queue */
                d40_desc_remove(d40d);
@@ -1388,8 +1461,8 @@ static void dma_tasklet(unsigned long data)
 
        return;
 
- err:
-       /* Rescue manoeuvre if receiving double interrupts */
+err:
+       /* Rescue manouver if receiving double interrupts */
        if (d40c->pending_tx > 0)
                d40c->pending_tx--;
        spin_unlock_irqrestore(&d40c->lock, flags);
@@ -1770,7 +1843,6 @@ static int d40_config_memcpy(struct d40_chan *d40c)
        return 0;
 }
 
-
 static int d40_free_dma(struct d40_chan *d40c)
 {
 
@@ -1806,43 +1878,18 @@ static int d40_free_dma(struct d40_chan *d40c)
        }
 
        pm_runtime_get_sync(d40c->base->dev);
-       res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
+       res = d40_channel_execute_command(d40c, D40_DMA_STOP);
        if (res) {
-               chan_err(d40c, "suspend failed\n");
+               chan_err(d40c, "stop failed\n");
                goto out;
        }
 
-       if (chan_is_logical(d40c)) {
-               /* Release logical channel, deactivate the event line */
+       d40_alloc_mask_free(phy, is_src, chan_is_logical(d40c) ? event : 0);
 
-               d40_config_set_event(d40c, false);
+       if (chan_is_logical(d40c))
                d40c->base->lookup_log_chans[d40c->log_num] = NULL;
-
-               /*
-                * Check if there are more logical allocation
-                * on this phy channel.
-                */
-               if (!d40_alloc_mask_free(phy, is_src, event)) {
-                       /* Resume the other logical channels if any */
-                       if (d40_chan_has_events(d40c)) {
-                               res = d40_channel_execute_command(d40c,
-                                                                 D40_DMA_RUN);
-                               if (res)
-                                       chan_err(d40c,
-                                               "Executing RUN command\n");
-                       }
-                       goto out;
-               }
-       } else {
-               (void) d40_alloc_mask_free(phy, is_src, 0);
-       }
-
-       /* Release physical channel */
-       res = d40_channel_execute_command(d40c, D40_DMA_STOP);
-       if (res) {
-               chan_err(d40c, "Failed to stop channel\n");
-               goto out;
-       }
+       else
+               d40c->base->lookup_phy_chans[phy->num] = NULL;
 
        if (d40c->busy) {
                pm_runtime_mark_last_busy(d40c->base->dev);
@@ -1852,7 +1899,6 @@ static int d40_free_dma(struct d40_chan *d40c)
        d40c->busy = false;
        d40c->phy_chan = NULL;
        d40c->configured = false;
-       d40c->base->lookup_phy_chans[phy->num] = NULL;
 out:
 
        pm_runtime_mark_last_busy(d40c->base->dev);
@@ -2070,7 +2116,7 @@ d40_prep_sg(struct dma_chan *dchan, struct scatterlist *sg_src,
        if (sg_next(&sg_src[sg_len - 1]) == sg_src)
                desc->cyclic = true;
 
-       if (direction != DMA_NONE) {
+       if (direction != DMA_TRANS_NONE) {
                dma_addr_t dev_addr = d40_get_dev_addr(chan, direction);
 
                if (direction == DMA_DEV_TO_MEM)
@@ -2371,6 +2417,31 @@ static void d40_issue_pending(struct dma_chan *chan)
        spin_unlock_irqrestore(&d40c->lock, flags);
 }
 
+static void d40_terminate_all(struct dma_chan *chan)
+{
+       unsigned long flags;
+       struct d40_chan *d40c = container_of(chan, struct d40_chan, chan);
+       int ret;
+
+       spin_lock_irqsave(&d40c->lock, flags);
+
+       pm_runtime_get_sync(d40c->base->dev);
+       ret = d40_channel_execute_command(d40c, D40_DMA_STOP);
+       if (ret)
+               chan_err(d40c, "Failed to stop channel\n");
+
+       d40_term_all(d40c);
+       pm_runtime_mark_last_busy(d40c->base->dev);
+       pm_runtime_put_autosuspend(d40c->base->dev);
+       if (d40c->busy) {
+               pm_runtime_mark_last_busy(d40c->base->dev);
+               pm_runtime_put_autosuspend(d40c->base->dev);
+       }
+       d40c->busy = false;
+
+       spin_unlock_irqrestore(&d40c->lock, flags);
+}
+
 static int
 dma40_config_to_halfchannel(struct d40_chan *d40c,
                            struct stedma40_half_channel_info *info,
@@ -2551,7 +2622,8 @@ static int d40_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
 
        switch (cmd) {
        case DMA_TERMINATE_ALL:
-               return d40_terminate_all(d40c);
+               d40_terminate_all(chan);
+               return 0;
        case DMA_PAUSE:
                return d40_pause(d40c);
        case DMA_RESUME:
@@ -2908,6 +2980,12 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev)
        dev_info(&pdev->dev, "hardware revision: %d @ 0x%x\n",
                 rev, res->start);
 
+       if (rev < 2) {
+               d40_err(&pdev->dev, "hardware revision: %d is not supported",
+                       rev);
+               goto failure;
+       }
+
        plat_data = pdev->dev.platform_data;
 
        /* Count the number of logical channels in use */
@@ -2998,6 +3076,7 @@ failure:
 
        if (base) {
                kfree(base->lcla_pool.alloc_map);
+               kfree(base->reg_val_backup_chan);
                kfree(base->lookup_log_chans);
                kfree(base->lookup_phy_chans);
                kfree(base->phy_res);
index 8d3d490968a3a8240b6f91e1631609a2425c3f4f..51e8e5396e9bd960dbc9f51925567a7b8f768275 100644 (file)
@@ -62,8 +62,6 @@
 #define D40_SREG_ELEM_LOG_LIDX_MASK    (0xFF << D40_SREG_ELEM_LOG_LIDX_POS)
 
 /* Link register */
-#define D40_DEACTIVATE_EVENTLINE       0x0
-#define D40_ACTIVATE_EVENTLINE         0x1
 #define D40_EVENTLINE_POS(i)           (2 * i)
 #define D40_EVENTLINE_MASK(i)          (0x3 << D40_EVENTLINE_POS(i))
 
index d25599f2a3f8bbb882ada61957239f030a06fa18..891e4674d29b7542b0fb6c8c18774bcd00b92855 100644 (file)
@@ -191,6 +191,176 @@ utf16_strncmp(const efi_char16_t *a, const efi_char16_t *b, size_t len)
        }
 }
 
+static bool
+validate_device_path(struct efi_variable *var, int match, u8 *buffer, int len)
+{
+       struct efi_generic_dev_path *node;
+       int offset = 0;
+
+       node = (struct efi_generic_dev_path *)buffer;
+
+       while (offset < len) {
+               offset += node->length;
+
+               if (offset > len)
+                       return false;
+
+               if ((node->type == EFI_DEV_END_PATH ||
+                    node->type == EFI_DEV_END_PATH2) &&
+                   node->sub_type == EFI_DEV_END_ENTIRE)
+                       return true;
+
+               node = (struct efi_generic_dev_path *)(buffer + offset);
+       }
+
+       /*
+        * If we're here then either node->length pointed past the end
+        * of the buffer or we reached the end of the buffer without
+        * finding a device path end node.
+        */
+       return false;
+}
+
+static bool
+validate_boot_order(struct efi_variable *var, int match, u8 *buffer, int len)
+{
+       /* An array of 16-bit integers */
+       if ((len % 2) != 0)
+               return false;
+
+       return true;
+}
+
+static bool
+validate_load_option(struct efi_variable *var, int match, u8 *buffer, int len)
+{
+       u16 filepathlength;
+       int i, desclength = 0;
+
+       /* Either "Boot" or "Driver" followed by four digits of hex */
+       for (i = match; i < match+4; i++) {
+               if (hex_to_bin(var->VariableName[i] & 0xff) < 0)
+                       return true;
+       }
+
+       /* A valid entry must be at least 6 bytes */
+       if (len < 6)
+               return false;
+
+       filepathlength = buffer[4] | buffer[5] << 8;
+
+       /*
+        * There's no stored length for the description, so it has to be
+        * found by hand
+        */
+       desclength = utf16_strsize((efi_char16_t *)(buffer + 6), len) + 2;
+
+       /* Each boot entry must have a descriptor */
+       if (!desclength)
+               return false;
+
+       /*
+        * If the sum of the length of the description, the claimed filepath
+        * length and the original header are greater than the length of the
+        * variable, it's malformed
+        */
+       if ((desclength + filepathlength + 6) > len)
+               return false;
+
+       /*
+        * And, finally, check the filepath
+        */
+       return validate_device_path(var, match, buffer + desclength + 6,
+                                   filepathlength);
+}
+
+static bool
+validate_uint16(struct efi_variable *var, int match, u8 *buffer, int len)
+{
+       /* A single 16-bit integer */
+       if (len != 2)
+               return false;
+
+       return true;
+}
+
+static bool
+validate_ascii_string(struct efi_variable *var, int match, u8 *buffer, int len)
+{
+       int i;
+
+       for (i = 0; i < len; i++) {
+               if (buffer[i] > 127)
+                       return false;
+
+               if (buffer[i] == 0)
+                       return true;
+       }
+
+       return false;
+}
+
+struct variable_validate {
+       char *name;
+       bool (*validate)(struct efi_variable *var, int match, u8 *data,
+                        int len);
+};
+
+static const struct variable_validate variable_validate[] = {
+       { "BootNext", validate_uint16 },
+       { "BootOrder", validate_boot_order },
+       { "DriverOrder", validate_boot_order },
+       { "Boot*", validate_load_option },
+       { "Driver*", validate_load_option },
+       { "ConIn", validate_device_path },
+       { "ConInDev", validate_device_path },
+       { "ConOut", validate_device_path },
+       { "ConOutDev", validate_device_path },
+       { "ErrOut", validate_device_path },
+       { "ErrOutDev", validate_device_path },
+       { "Timeout", validate_uint16 },
+       { "Lang", validate_ascii_string },
+       { "PlatformLang", validate_ascii_string },
+       { "", NULL },
+};
+
+static bool
+validate_var(struct efi_variable *var, u8 *data, int len)
+{
+       int i;
+       u16 *unicode_name = var->VariableName;
+
+       for (i = 0; variable_validate[i].validate != NULL; i++) {
+               const char *name = variable_validate[i].name;
+               int match;
+
+               for (match = 0; ; match++) {
+                       char c = name[match];
+                       u16 u = unicode_name[match];
+
+                       /* All special variables are plain ascii */
+                       if (u > 127)
+                               return true;
+
+                       /* Wildcard in the matching name means we've matched */
+                       if (c == '*')
+                               return variable_validate[i].validate(var,
+                                                            match, data, len);
+
+                       /* Case sensitive match */
+                       if (c != u)
+                               break;
+
+                       /* Reached the end of the string while matching */
+                       if (!c)
+                               return variable_validate[i].validate(var,
+                                                            match, data, len);
+               }
+       }
+
+       return true;
+}
+
 static efi_status_t
 get_var_data_locked(struct efivars *efivars, struct efi_variable *var)
 {
@@ -324,6 +494,12 @@ efivar_store_raw(struct efivar_entry *entry, const char *buf, size_t count)
                return -EINVAL;
        }
 
+       if ((new_var->Attributes & ~EFI_VARIABLE_MASK) != 0 ||
+           validate_var(new_var, new_var->Data, new_var->DataSize) == false) {
+               printk(KERN_ERR "efivars: Malformed variable content\n");
+               return -EINVAL;
+       }
+
        spin_lock(&efivars->lock);
        status = efivars->ops->set_variable(new_var->VariableName,
                                            &new_var->VendorGuid,
@@ -626,6 +802,12 @@ static ssize_t efivar_create(struct file *filp, struct kobject *kobj,
        if (!capable(CAP_SYS_ADMIN))
                return -EACCES;
 
+       if ((new_var->Attributes & ~EFI_VARIABLE_MASK) != 0 ||
+           validate_var(new_var, new_var->Data, new_var->DataSize) == false) {
+               printk(KERN_ERR "efivars: Malformed variable content\n");
+               return -EINVAL;
+       }
+
        spin_lock(&efivars->lock);
 
        /*
index 5689ce62fd81badc2fdeceeb604fdf866d5b3bda..fc3ace3fd4cbc64030764abe51a3788afc7f2e0e 100644 (file)
@@ -64,6 +64,7 @@ struct pxa_gpio_chip {
        unsigned long   irq_mask;
        unsigned long   irq_edge_rise;
        unsigned long   irq_edge_fall;
+       int (*set_wake)(unsigned int gpio, unsigned int on);
 
 #ifdef CONFIG_PM
        unsigned long   saved_gplr;
@@ -269,7 +270,8 @@ static void pxa_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
                                (value ? GPSR_OFFSET : GPCR_OFFSET));
 }
 
-static int __devinit pxa_init_gpio_chip(int gpio_end)
+static int __devinit pxa_init_gpio_chip(int gpio_end,
+                                       int (*set_wake)(unsigned int, unsigned int))
 {
        int i, gpio, nbanks = gpio_to_bank(gpio_end) + 1;
        struct pxa_gpio_chip *chips;
@@ -285,6 +287,7 @@ static int __devinit pxa_init_gpio_chip(int gpio_end)
 
                sprintf(chips[i].label, "gpio-%d", i);
                chips[i].regbase = gpio_reg_base + BANK_OFF(i);
+               chips[i].set_wake = set_wake;
 
                c->base  = gpio;
                c->label = chips[i].label;
@@ -412,6 +415,17 @@ static void pxa_mask_muxed_gpio(struct irq_data *d)
        writel_relaxed(gfer, c->regbase + GFER_OFFSET);
 }
 
+static int pxa_gpio_set_wake(struct irq_data *d, unsigned int on)
+{
+       int gpio = pxa_irq_to_gpio(d->irq);
+       struct pxa_gpio_chip *c = gpio_to_pxachip(gpio);
+
+       if (c->set_wake)
+               return c->set_wake(gpio, on);
+       else
+               return 0;
+}
+
 static void pxa_unmask_muxed_gpio(struct irq_data *d)
 {
        int gpio = pxa_irq_to_gpio(d->irq);
@@ -427,6 +441,7 @@ static struct irq_chip pxa_muxed_gpio_chip = {
        .irq_mask       = pxa_mask_muxed_gpio,
        .irq_unmask     = pxa_unmask_muxed_gpio,
        .irq_set_type   = pxa_gpio_irq_type,
+       .irq_set_wake   = pxa_gpio_set_wake,
 };
 
 static int pxa_gpio_nums(void)
@@ -471,6 +486,7 @@ static int __devinit pxa_gpio_probe(struct platform_device *pdev)
        struct pxa_gpio_chip *c;
        struct resource *res;
        struct clk *clk;
+       struct pxa_gpio_platform_data *info;
        int gpio, irq, ret;
        int irq0 = 0, irq1 = 0, irq_mux, gpio_offset = 0;
 
@@ -516,7 +532,8 @@ static int __devinit pxa_gpio_probe(struct platform_device *pdev)
        }
 
        /* Initialize GPIO chips */
-       pxa_init_gpio_chip(pxa_last_gpio);
+       info = dev_get_platdata(&pdev->dev);
+       pxa_init_gpio_chip(pxa_last_gpio, info ? info->gpio_set_wake : NULL);
 
        /* clear all GPIO edge detects */
        for_each_gpio_chip(gpio, c) {
index 392ce71ed6a18103db1562ee9024f70f51e6d46e..1dffa8359f88fd6749d99c2882364797ac0e1eee 100644 (file)
@@ -149,22 +149,12 @@ static int exynos_drm_gem_map_pages(struct drm_gem_object *obj,
        unsigned long pfn;
 
        if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) {
-               unsigned long usize = buf->size;
-
                if (!buf->pages)
                        return -EINTR;
 
-               while (usize > 0) {
-                       pfn = page_to_pfn(buf->pages[page_offset++]);
-                       vm_insert_mixed(vma, f_vaddr, pfn);
-                       f_vaddr += PAGE_SIZE;
-                       usize -= PAGE_SIZE;
-               }
-
-               return 0;
-       }
-
-       pfn = (buf->dma_addr >> PAGE_SHIFT) + page_offset;
+               pfn = page_to_pfn(buf->pages[page_offset++]);
+       } else
+               pfn = (buf->dma_addr >> PAGE_SHIFT) + page_offset;
 
        return vm_insert_mixed(vma, f_vaddr, pfn);
 }
@@ -524,6 +514,8 @@ static int exynos_drm_gem_mmap_buffer(struct file *filp,
                if (!buffer->pages)
                        return -EINVAL;
 
+               vma->vm_flags |= VM_MIXEDMAP;
+
                do {
                        ret = vm_insert_page(vma, uaddr, buffer->pages[i++]);
                        if (ret) {
@@ -710,7 +702,6 @@ int exynos_drm_gem_dumb_destroy(struct drm_file *file_priv,
 int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
        struct drm_gem_object *obj = vma->vm_private_data;
-       struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
        struct drm_device *dev = obj->dev;
        unsigned long f_vaddr;
        pgoff_t page_offset;
@@ -722,21 +713,10 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 
        mutex_lock(&dev->struct_mutex);
 
-       /*
-        * allocate all pages as desired size if user wants to allocate
-        * physically non-continuous memory.
-        */
-       if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) {
-               ret = exynos_drm_gem_get_pages(obj);
-               if (ret < 0)
-                       goto err;
-       }
-
        ret = exynos_drm_gem_map_pages(obj, vma, f_vaddr, page_offset);
        if (ret < 0)
                DRM_ERROR("failed to map pages.\n");
 
-err:
        mutex_unlock(&dev->struct_mutex);
 
        return convert_to_vm_err_msg(ret);
index f51a696486cb19f06822f84a10f4a6911c1bd7d8..de431942ded4bb5a7b6f5a380e6009cd6b22b696 100644 (file)
@@ -1133,6 +1133,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                        return -EINVAL;
                }
 
+               if (args->num_cliprects > UINT_MAX / sizeof(*cliprects)) {
+                       DRM_DEBUG("execbuf with %u cliprects\n",
+                                 args->num_cliprects);
+                       return -EINVAL;
+               }
                cliprects = kmalloc(args->num_cliprects * sizeof(*cliprects),
                                    GFP_KERNEL);
                if (cliprects == NULL) {
@@ -1404,7 +1409,8 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
        struct drm_i915_gem_exec_object2 *exec2_list = NULL;
        int ret;
 
-       if (args->buffer_count < 1) {
+       if (args->buffer_count < 1 ||
+           args->buffer_count > UINT_MAX / sizeof(*exec2_list)) {
                DRM_DEBUG("execbuf2 with %d buffers\n", args->buffer_count);
                return -EINVAL;
        }
index b4bb1ef77ddc967d060d0de226ffb1cf80f26468..9d24d65f0c3e54491badaa0e983d2e1ba5edfce1 100644 (file)
 #define   CM0_MASK_SHIFT          16
 #define   CM0_IZ_OPT_DISABLE      (1<<6)
 #define   CM0_ZR_OPT_DISABLE      (1<<5)
+#define          CM0_STC_EVICT_DISABLE_LRA_SNB (1<<5)
 #define   CM0_DEPTH_EVICT_DISABLE (1<<4)
 #define   CM0_COLOR_EVICT_DISABLE (1<<3)
 #define   CM0_DEPTH_WRITE_DISABLE (1<<1)
index 4d3d736a4f56a9c65b315162dac4dc1b2b372c28..90b9793fd5da3bbe0e209c3778187199a0dca665 100644 (file)
@@ -430,8 +430,8 @@ intel_crt_detect(struct drm_connector *connector, bool force)
 {
        struct drm_device *dev = connector->dev;
        struct intel_crt *crt = intel_attached_crt(connector);
-       struct drm_crtc *crtc;
        enum drm_connector_status status;
+       struct intel_load_detect_pipe tmp;
 
        if (I915_HAS_HOTPLUG(dev)) {
                if (intel_crt_detect_hotplug(connector)) {
@@ -450,23 +450,16 @@ intel_crt_detect(struct drm_connector *connector, bool force)
                return connector->status;
 
        /* for pre-945g platforms use load detect */
-       crtc = crt->base.base.crtc;
-       if (crtc && crtc->enabled) {
-               status = intel_crt_load_detect(crt);
-       } else {
-               struct intel_load_detect_pipe tmp;
-
-               if (intel_get_load_detect_pipe(&crt->base, connector, NULL,
-                                              &tmp)) {
-                       if (intel_crt_detect_ddc(connector))
-                               status = connector_status_connected;
-                       else
-                               status = intel_crt_load_detect(crt);
-                       intel_release_load_detect_pipe(&crt->base, connector,
-                                                      &tmp);
-               } else
-                       status = connector_status_unknown;
-       }
+       if (intel_get_load_detect_pipe(&crt->base, connector, NULL,
+                                      &tmp)) {
+               if (intel_crt_detect_ddc(connector))
+                       status = connector_status_connected;
+               else
+                       status = intel_crt_load_detect(crt);
+               intel_release_load_detect_pipe(&crt->base, connector,
+                                              &tmp);
+       } else
+               status = connector_status_unknown;
 
        return status;
 }
index f75806e5bff5c62273ddaee7d5f94bd15cb860e8..80fce51e2f439d9bf4825fffadf05051fb6531b9 100644 (file)
@@ -401,6 +401,14 @@ static int init_render_ring(struct intel_ring_buffer *ring)
        if (INTEL_INFO(dev)->gen >= 6) {
                I915_WRITE(INSTPM,
                           INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING);
+
+               /* From the Sandybridge PRM, volume 1 part 3, page 24:
+                * "If this bit is set, STCunit will have LRA as replacement
+                *  policy. [...] This bit must be reset.  LRA replacement
+                *  policy is not supported."
+                */
+               I915_WRITE(CACHE_MODE_0,
+                          CM0_STC_EVICT_DISABLE_LRA_SNB << CM0_MASK_SHIFT);
        }
 
        return ret;
index e36b171c1e7d5ff2b7a95b0dc6dd5db741f6e2fc..232d77d07d8b241b7ea1ec45ee8333463ac63c3a 100644 (file)
@@ -731,6 +731,7 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
        uint16_t width, height;
        uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
        uint16_t h_sync_offset, v_sync_offset;
+       int mode_clock;
 
        width = mode->crtc_hdisplay;
        height = mode->crtc_vdisplay;
@@ -745,7 +746,11 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
        h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
        v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 
-       dtd->part1.clock = mode->clock / 10;
+       mode_clock = mode->clock;
+       mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
+       mode_clock /= 10;
+       dtd->part1.clock = mode_clock;
+
        dtd->part1.h_active = width & 0xff;
        dtd->part1.h_blank = h_blank_len & 0xff;
        dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
@@ -996,7 +1001,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
        struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
        u32 sdvox;
        struct intel_sdvo_in_out_map in_out;
-       struct intel_sdvo_dtd input_dtd;
+       struct intel_sdvo_dtd input_dtd, output_dtd;
        int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
        int rate;
 
@@ -1021,20 +1026,13 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
                                          intel_sdvo->attached_output))
                return;
 
-       /* We have tried to get input timing in mode_fixup, and filled into
-        * adjusted_mode.
-        */
-       if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
-               input_dtd = intel_sdvo->input_dtd;
-       } else {
-               /* Set the output timing to the screen */
-               if (!intel_sdvo_set_target_output(intel_sdvo,
-                                                 intel_sdvo->attached_output))
-                       return;
-
-               intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
-               (void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
-       }
+       /* lvds has a special fixed output timing. */
+       if (intel_sdvo->is_lvds)
+               intel_sdvo_get_dtd_from_mode(&output_dtd,
+                                            intel_sdvo->sdvo_lvds_fixed_mode);
+       else
+               intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
+       (void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
 
        /* Set the input timing to the screen. Assume always input 0. */
        if (!intel_sdvo_set_target_input(intel_sdvo))
@@ -1052,6 +1050,10 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
            !intel_sdvo_set_tv_format(intel_sdvo))
                return;
 
+       /* We have tried to get input timing in mode_fixup, and filled into
+        * adjusted_mode.
+        */
+       intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
        (void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
 
        switch (pixel_multiplier) {
index b5ff1f7b6f7ee4f3917d6d83e137ec02998a6d78..af1054f8202a27ac1059b00d0799ee00ebfb1da9 100644 (file)
@@ -575,6 +575,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 
                if (rdev->family < CHIP_RV770)
                        pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
+               /* use frac fb div on APUs */
+               if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
+                       pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
        } else {
                pll->flags |= RADEON_PLL_LEGACY;
 
@@ -955,8 +958,8 @@ static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode
                break;
        }
 
-       if (radeon_encoder->active_device &
-           (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
+       if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
+           (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
                struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
                struct drm_connector *connector =
                        radeon_get_connector_for_encoder(encoder);
index 8086c96e0b06a4b80cf77a03b43736cefdf713e2..0a1d4bd65edcebc31cbb425120e3c5090f7e2382 100644 (file)
@@ -533,7 +533,7 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
                radeon_legacy_init_crtc(dev, radeon_crtc);
 }
 
-static const char *encoder_names[36] = {
+static const char *encoder_names[37] = {
        "NONE",
        "INTERNAL_LVDS",
        "INTERNAL_TMDS1",
@@ -570,6 +570,7 @@ static const char *encoder_names[36] = {
        "INTERNAL_UNIPHY2",
        "NUTMEG",
        "TRAVIS",
+       "INTERNAL_VCE"
 };
 
 static const char *connector_names[15] = {
index 88a050df2389067b37222c7d59a172671a8e1b88..3ad91f6447d8eee319e570f4098a2fb75f9be49e 100644 (file)
@@ -123,7 +123,7 @@ struct hsc_client_data {
 static unsigned int hsc_major;
 /* Maximum buffer size that hsi_char will accept from userspace */
 static unsigned int max_data_size = 0x1000;
-module_param(max_data_size, uint, S_IRUSR | S_IWUSR);
+module_param(max_data_size, uint, 0);
 MODULE_PARM_DESC(max_data_size, "max read/write data size [4,8..65536] (^2)");
 
 static void hsc_add_tail(struct hsc_channel *channel, struct hsi_msg *msg,
index 4e2d79b793349c1d6c3b375677b2af7a87db2ccb..2d58f939d27f0ddbcf404909249c5f2d8f14a3a8 100644 (file)
  */
 #include <linux/hsi/hsi.h>
 #include <linux/compiler.h>
-#include <linux/rwsem.h>
 #include <linux/list.h>
-#include <linux/spinlock.h>
 #include <linux/kobject.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/notifier.h>
 #include "hsi_core.h"
 
-static struct device_type hsi_ctrl = {
-       .name   = "hsi_controller",
-};
-
-static struct device_type hsi_cl = {
-       .name   = "hsi_client",
-};
-
-static struct device_type hsi_port = {
-       .name   = "hsi_port",
-};
-
 static ssize_t modalias_show(struct device *dev,
                        struct device_attribute *a __maybe_unused, char *buf)
 {
@@ -54,8 +41,7 @@ static struct device_attribute hsi_bus_dev_attrs[] = {
 
 static int hsi_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
-       if (dev->type == &hsi_cl)
-               add_uevent_var(env, "MODALIAS=hsi:%s", dev_name(dev));
+       add_uevent_var(env, "MODALIAS=hsi:%s", dev_name(dev));
 
        return 0;
 }
@@ -80,12 +66,10 @@ static void hsi_client_release(struct device *dev)
 static void hsi_new_client(struct hsi_port *port, struct hsi_board_info *info)
 {
        struct hsi_client *cl;
-       unsigned long flags;
 
        cl = kzalloc(sizeof(*cl), GFP_KERNEL);
        if (!cl)
                return;
-       cl->device.type = &hsi_cl;
        cl->tx_cfg = info->tx_cfg;
        cl->rx_cfg = info->rx_cfg;
        cl->device.bus = &hsi_bus_type;
@@ -93,14 +77,11 @@ static void hsi_new_client(struct hsi_port *port, struct hsi_board_info *info)
        cl->device.release = hsi_client_release;
        dev_set_name(&cl->device, info->name);
        cl->device.platform_data = info->platform_data;
-       spin_lock_irqsave(&port->clock, flags);
-       list_add_tail(&cl->link, &port->clients);
-       spin_unlock_irqrestore(&port->clock, flags);
        if (info->archdata)
                cl->device.archdata = *info->archdata;
        if (device_register(&cl->device) < 0) {
                pr_err("hsi: failed to register client: %s\n", info->name);
-               kfree(cl);
+               put_device(&cl->device);
        }
 }
 
@@ -120,13 +101,6 @@ static void hsi_scan_board_info(struct hsi_controller *hsi)
 
 static int hsi_remove_client(struct device *dev, void *data __maybe_unused)
 {
-       struct hsi_client *cl = to_hsi_client(dev);
-       struct hsi_port *port = to_hsi_port(dev->parent);
-       unsigned long flags;
-
-       spin_lock_irqsave(&port->clock, flags);
-       list_del(&cl->link);
-       spin_unlock_irqrestore(&port->clock, flags);
        device_unregister(dev);
 
        return 0;
@@ -140,12 +114,17 @@ static int hsi_remove_port(struct device *dev, void *data __maybe_unused)
        return 0;
 }
 
-static void hsi_controller_release(struct device *dev __maybe_unused)
+static void hsi_controller_release(struct device *dev)
 {
+       struct hsi_controller *hsi = to_hsi_controller(dev);
+
+       kfree(hsi->port);
+       kfree(hsi);
 }
 
-static void hsi_port_release(struct device *dev __maybe_unused)
+static void hsi_port_release(struct device *dev)
 {
+       kfree(to_hsi_port(dev));
 }
 
 /**
@@ -170,20 +149,12 @@ int hsi_register_controller(struct hsi_controller *hsi)
        unsigned int i;
        int err;
 
-       hsi->device.type = &hsi_ctrl;
-       hsi->device.bus = &hsi_bus_type;
-       hsi->device.release = hsi_controller_release;
-       err = device_register(&hsi->device);
+       err = device_add(&hsi->device);
        if (err < 0)
                return err;
        for (i = 0; i < hsi->num_ports; i++) {
-               hsi->port[i].device.parent = &hsi->device;
-               hsi->port[i].device.bus = &hsi_bus_type;
-               hsi->port[i].device.release = hsi_port_release;
-               hsi->port[i].device.type = &hsi_port;
-               INIT_LIST_HEAD(&hsi->port[i].clients);
-               spin_lock_init(&hsi->port[i].clock);
-               err = device_register(&hsi->port[i].device);
+               hsi->port[i]->device.parent = &hsi->device;
+               err = device_add(&hsi->port[i]->device);
                if (err < 0)
                        goto out;
        }
@@ -192,7 +163,9 @@ int hsi_register_controller(struct hsi_controller *hsi)
 
        return 0;
 out:
-       hsi_unregister_controller(hsi);
+       while (i-- > 0)
+               device_del(&hsi->port[i]->device);
+       device_del(&hsi->device);
 
        return err;
 }
@@ -222,6 +195,29 @@ static inline int hsi_dummy_cl(struct hsi_client *cl __maybe_unused)
        return 0;
 }
 
+/**
+ * hsi_put_controller - Free an HSI controller
+ *
+ * @hsi: Pointer to the HSI controller to freed
+ *
+ * HSI controller drivers should only use this function if they need
+ * to free their allocated hsi_controller structures before a successful
+ * call to hsi_register_controller. Other use is not allowed.
+ */
+void hsi_put_controller(struct hsi_controller *hsi)
+{
+       unsigned int i;
+
+       if (!hsi)
+               return;
+
+       for (i = 0; i < hsi->num_ports; i++)
+               if (hsi->port && hsi->port[i])
+                       put_device(&hsi->port[i]->device);
+       put_device(&hsi->device);
+}
+EXPORT_SYMBOL_GPL(hsi_put_controller);
+
 /**
  * hsi_alloc_controller - Allocate an HSI controller and its ports
  * @n_ports: Number of ports on the HSI controller
@@ -232,54 +228,51 @@ static inline int hsi_dummy_cl(struct hsi_client *cl __maybe_unused)
 struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags)
 {
        struct hsi_controller   *hsi;
-       struct hsi_port         *port;
+       struct hsi_port         **port;
        unsigned int            i;
 
        if (!n_ports)
                return NULL;
 
-       port = kzalloc(sizeof(*port)*n_ports, flags);
-       if (!port)
-               return NULL;
        hsi = kzalloc(sizeof(*hsi), flags);
        if (!hsi)
-               goto out;
-       for (i = 0; i < n_ports; i++) {
-               dev_set_name(&port[i].device, "port%d", i);
-               port[i].num = i;
-               port[i].async = hsi_dummy_msg;
-               port[i].setup = hsi_dummy_cl;
-               port[i].flush = hsi_dummy_cl;
-               port[i].start_tx = hsi_dummy_cl;
-               port[i].stop_tx = hsi_dummy_cl;
-               port[i].release = hsi_dummy_cl;
-               mutex_init(&port[i].lock);
+               return NULL;
+       port = kzalloc(sizeof(*port)*n_ports, flags);
+       if (!port) {
+               kfree(hsi);
+               return NULL;
        }
        hsi->num_ports = n_ports;
        hsi->port = port;
+       hsi->device.release = hsi_controller_release;
+       device_initialize(&hsi->device);
+
+       for (i = 0; i < n_ports; i++) {
+               port[i] = kzalloc(sizeof(**port), flags);
+               if (port[i] == NULL)
+                       goto out;
+               port[i]->num = i;
+               port[i]->async = hsi_dummy_msg;
+               port[i]->setup = hsi_dummy_cl;
+               port[i]->flush = hsi_dummy_cl;
+               port[i]->start_tx = hsi_dummy_cl;
+               port[i]->stop_tx = hsi_dummy_cl;
+               port[i]->release = hsi_dummy_cl;
+               mutex_init(&port[i]->lock);
+               ATOMIC_INIT_NOTIFIER_HEAD(&port[i]->n_head);
+               dev_set_name(&port[i]->device, "port%d", i);
+               hsi->port[i]->device.release = hsi_port_release;
+               device_initialize(&hsi->port[i]->device);
+       }
 
        return hsi;
 out:
-       kfree(port);
+       hsi_put_controller(hsi);
 
        return NULL;
 }
 EXPORT_SYMBOL_GPL(hsi_alloc_controller);
 
-/**
- * hsi_free_controller - Free an HSI controller
- * @hsi: Pointer to HSI controller
- */
-void hsi_free_controller(struct hsi_controller *hsi)
-{
-       if (!hsi)
-               return;
-
-       kfree(hsi->port);
-       kfree(hsi);
-}
-EXPORT_SYMBOL_GPL(hsi_free_controller);
-
 /**
  * hsi_free_msg - Free an HSI message
  * @msg: Pointer to the HSI message
@@ -414,37 +407,67 @@ void hsi_release_port(struct hsi_client *cl)
 }
 EXPORT_SYMBOL_GPL(hsi_release_port);
 
-static int hsi_start_rx(struct hsi_client *cl, void *data __maybe_unused)
+static int hsi_event_notifier_call(struct notifier_block *nb,
+                               unsigned long event, void *data __maybe_unused)
 {
-       if (cl->hsi_start_rx)
-               (*cl->hsi_start_rx)(cl);
+       struct hsi_client *cl = container_of(nb, struct hsi_client, nb);
+
+       (*cl->ehandler)(cl, event);
 
        return 0;
 }
 
-static int hsi_stop_rx(struct hsi_client *cl, void *data __maybe_unused)
+/**
+ * hsi_register_port_event - Register a client to receive port events
+ * @cl: HSI client that wants to receive port events
+ * @cb: Event handler callback
+ *
+ * Clients should register a callback to be able to receive
+ * events from the ports. Registration should happen after
+ * claiming the port.
+ * The handler can be called in interrupt context.
+ *
+ * Returns -errno on error, or 0 on success.
+ */
+int hsi_register_port_event(struct hsi_client *cl,
+                       void (*handler)(struct hsi_client *, unsigned long))
 {
-       if (cl->hsi_stop_rx)
-               (*cl->hsi_stop_rx)(cl);
+       struct hsi_port *port = hsi_get_port(cl);
 
-       return 0;
+       if (!handler || cl->ehandler)
+               return -EINVAL;
+       if (!hsi_port_claimed(cl))
+               return -EACCES;
+       cl->ehandler = handler;
+       cl->nb.notifier_call = hsi_event_notifier_call;
+
+       return atomic_notifier_chain_register(&port->n_head, &cl->nb);
 }
+EXPORT_SYMBOL_GPL(hsi_register_port_event);
 
-static int hsi_port_for_each_client(struct hsi_port *port, void *data,
-                               int (*fn)(struct hsi_client *cl, void *data))
+/**
+ * hsi_unregister_port_event - Stop receiving port events for a client
+ * @cl: HSI client that wants to stop receiving port events
+ *
+ * Clients should call this function before releasing their associated
+ * port.
+ *
+ * Returns -errno on error, or 0 on success.
+ */
+int hsi_unregister_port_event(struct hsi_client *cl)
 {
-       struct hsi_client *cl;
+       struct hsi_port *port = hsi_get_port(cl);
+       int err;
 
-       spin_lock(&port->clock);
-       list_for_each_entry(cl, &port->clients, link) {
-               spin_unlock(&port->clock);
-               (*fn)(cl, data);
-               spin_lock(&port->clock);
-       }
-       spin_unlock(&port->clock);
+       WARN_ON(!hsi_port_claimed(cl));
 
-       return 0;
+       err = atomic_notifier_chain_unregister(&port->n_head, &cl->nb);
+       if (!err)
+               cl->ehandler = NULL;
+
+       return err;
 }
+EXPORT_SYMBOL_GPL(hsi_unregister_port_event);
 
 /**
  * hsi_event -Notifies clients about port events
@@ -458,22 +481,12 @@ static int hsi_port_for_each_client(struct hsi_port *port, void *data,
  * Events:
  * HSI_EVENT_START_RX - Incoming wake line high
  * HSI_EVENT_STOP_RX - Incoming wake line down
+ *
+ * Returns -errno on error, or 0 on success.
  */
-void hsi_event(struct hsi_port *port, unsigned int event)
+int hsi_event(struct hsi_port *port, unsigned long event)
 {
-       int (*fn)(struct hsi_client *cl, void *data);
-
-       switch (event) {
-       case HSI_EVENT_START_RX:
-               fn = hsi_start_rx;
-               break;
-       case HSI_EVENT_STOP_RX:
-               fn = hsi_stop_rx;
-               break;
-       default:
-               return;
-       }
-       hsi_port_for_each_client(port, NULL, fn);
+       return atomic_notifier_call_chain(&port->n_head, event, NULL);
 }
 EXPORT_SYMBOL_GPL(hsi_event);
 
index ce43642ef03e9f9c50a7c5441c095dfbd0793148..f85ce70d96779b5dcd366983f48d4458cc782704 100644 (file)
@@ -47,7 +47,7 @@ struct ad7314_data {
        u16 rx ____cacheline_aligned;
 };
 
-static int ad7314_spi_read(struct ad7314_data *chip, s16 *data)
+static int ad7314_spi_read(struct ad7314_data *chip)
 {
        int ret;
 
@@ -57,9 +57,7 @@ static int ad7314_spi_read(struct ad7314_data *chip, s16 *data)
                return ret;
        }
 
-       *data = be16_to_cpu(chip->rx);
-
-       return ret;
+       return be16_to_cpu(chip->rx);
 }
 
 static ssize_t ad7314_show_temperature(struct device *dev,
@@ -70,12 +68,12 @@ static ssize_t ad7314_show_temperature(struct device *dev,
        s16 data;
        int ret;
 
-       ret = ad7314_spi_read(chip, &data);
+       ret = ad7314_spi_read(chip);
        if (ret < 0)
                return ret;
        switch (spi_get_device_id(chip->spi_dev)->driver_data) {
        case ad7314:
-               data = (data & AD7314_TEMP_MASK) >> AD7314_TEMP_OFFSET;
+               data = (ret & AD7314_TEMP_MASK) >> AD7314_TEMP_OFFSET;
                data = (data << 6) >> 6;
 
                return sprintf(buf, "%d\n", 250 * data);
@@ -86,7 +84,7 @@ static ssize_t ad7314_show_temperature(struct device *dev,
                 * with a sign bit - which is a 14 bit 2's complement
                 * register.  1lsb - 31.25 milli degrees centigrade
                 */
-               data &= ADT7301_TEMP_MASK;
+               data = ret & ADT7301_TEMP_MASK;
                data = (data << 2) >> 2;
 
                return sprintf(buf, "%d\n",
index 37a8fc92b44acf50a16d086c9983a9794c03b838..e8e18cab1fb8c34d63c259a64afb461833df8be7 100644 (file)
@@ -128,17 +128,20 @@ static bool __devinit fam15h_power_is_internal_node0(struct pci_dev *f4)
  * counter saturations resulting in bogus power readings.
  * We correct this value ourselves to cope with older BIOSes.
  */
+static DEFINE_PCI_DEVICE_TABLE(affected_device) = {
+       { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) },
+       { 0 }
+};
+
 static void __devinit tweak_runavg_range(struct pci_dev *pdev)
 {
        u32 val;
-       const struct pci_device_id affected_device = {
-               PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) };
 
        /*
         * let this quirk apply only to the current version of the
         * northbridge, since future versions may change the behavior
         */
-       if (!pci_match_id(&affected_device, pdev))
+       if (!pci_match_id(affected_device, pdev))
                return;
 
        pci_bus_read_config_dword(pdev->bus,
index 426bb7617ec6fa4027dd6d535eab1fa6675562fc..b0d0bc8a6fb6ca58c61206ff11dab9f2f5cd5e8e 100644 (file)
@@ -1854,6 +1854,8 @@ static bool generate_unmatched_resp(struct ib_mad_private *recv,
                response->mad.mad.mad_hdr.method = IB_MGMT_METHOD_GET_RESP;
                response->mad.mad.mad_hdr.status =
                        cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB);
+               if (recv->mad.mad.mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+                       response->mad.mad.mad_hdr.status |= IB_SMP_DIRECTION;
 
                return true;
        } else {
@@ -1869,6 +1871,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
        struct ib_mad_list_head *mad_list;
        struct ib_mad_agent_private *mad_agent;
        int port_num;
+       int ret = IB_MAD_RESULT_SUCCESS;
 
        mad_list = (struct ib_mad_list_head *)(unsigned long)wc->wr_id;
        qp_info = mad_list->mad_queue->qp_info;
@@ -1952,8 +1955,6 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
 local:
        /* Give driver "right of first refusal" on incoming MAD */
        if (port_priv->device->process_mad) {
-               int ret;
-
                ret = port_priv->device->process_mad(port_priv->device, 0,
                                                     port_priv->port_num,
                                                     wc, &recv->grh,
@@ -1981,7 +1982,8 @@ local:
                 * or via recv_handler in ib_mad_complete_recv()
                 */
                recv = NULL;
-       } else if (generate_unmatched_resp(recv, response)) {
+       } else if ((ret & IB_MAD_RESULT_SUCCESS) &&
+                  generate_unmatched_resp(recv, response)) {
                agent_send_response(&response->mad.mad, &recv->grh, wc,
                                    port_priv->device, port_num, qp_info->qp->qp_num);
        }
index 669673e814393b051c144018292037c973f2fc7b..b948b6dd5d553c9059cb9f655f104e3f9af7de34 100644 (file)
@@ -247,7 +247,7 @@ static int ib_link_query_port(struct ib_device *ibdev, u8 port,
                err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port,
                                   NULL, NULL, in_mad, out_mad);
                if (err)
-                       return err;
+                       goto out;
 
                /* Checking LinkSpeedActive for FDR-10 */
                if (out_mad->data[15] & 0x1)
index 8081a0a5d602c0b9f04557b5323882c4bcf89694..a4b14a41cbf43a2d788989d7bfc3e71294ffc94e 100644 (file)
@@ -274,7 +274,8 @@ static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse)
        static unsigned char param = 0xc8;
        struct synaptics_data *priv = psmouse->private;
 
-       if (!SYN_CAP_ADV_GESTURE(priv->ext_cap_0c))
+       if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) ||
+             SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)))
                return 0;
 
        if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL))
index b0ba52459ed7381d4a802acb94e69df02f979149..68965e663248e2f0b0158aaf9a75f2583be2704c 100644 (file)
@@ -859,7 +859,7 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
        int ret;
        unsigned redundancy = 0;
        struct raid_dev *dev;
-       struct md_rdev *rdev, *freshest;
+       struct md_rdev *rdev, *tmp, *freshest;
        struct mddev *mddev = &rs->md;
 
        switch (rs->raid_type->level) {
@@ -877,7 +877,7 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs)
        }
 
        freshest = NULL;
-       rdev_for_each(rdev, mddev) {
+       rdev_for_each_safe(rdev, tmp, mddev) {
                if (!rdev->meta_bdev)
                        continue;
 
index b572e1e386ceab73643f3d0ffc272c1989b91474..477eb2e180c031d84b33d659167d8aea760babfe 100644 (file)
@@ -7560,14 +7560,14 @@ void md_check_recovery(struct mddev *mddev)
                 * any transients in the value of "sync_action".
                 */
                set_bit(MD_RECOVERY_RUNNING, &mddev->recovery);
-               clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
                /* Clear some bits that don't mean anything, but
                 * might be left set
                 */
                clear_bit(MD_RECOVERY_INTR, &mddev->recovery);
                clear_bit(MD_RECOVERY_DONE, &mddev->recovery);
 
-               if (test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
+               if (!test_and_clear_bit(MD_RECOVERY_NEEDED, &mddev->recovery) ||
+                   test_bit(MD_RECOVERY_FROZEN, &mddev->recovery))
                        goto unlock;
                /* no recovery is running.
                 * remove any failed drives, then
@@ -8140,7 +8140,8 @@ static int md_notify_reboot(struct notifier_block *this,
 
        for_each_mddev(mddev, tmp) {
                if (mddev_trylock(mddev)) {
-                       __md_stop_writes(mddev);
+                       if (mddev->pers)
+                               __md_stop_writes(mddev);
                        mddev->safemode = 2;
                        mddev_unlock(mddev);
                }
index b0f2ef9881883df42f5513eb3f1f0479e6c83653..e3f5af96ab87f325942075ecba8705d137776c0c 100644 (file)
@@ -363,6 +363,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
                goto out;
 
        dmaengine_submit(desc);
+       dma_async_issue_pending(host->dmach);
        return;
 
 out:
@@ -403,6 +404,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
                goto out;
 
        dmaengine_submit(desc);
+       dma_async_issue_pending(host->dmach);
        return;
 
 out:
@@ -531,6 +533,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
                goto out;
 
        dmaengine_submit(desc);
+       dma_async_issue_pending(host->dmach);
        return;
 out:
        dev_warn(mmc_dev(host->mmc),
index 75b1dde1635884986097786bab730e2264c01072..9ec51cec2e14a42de34d10d1eee0c44c17e78dde 100644 (file)
@@ -266,6 +266,7 @@ int start_dma_without_bch_irq(struct gpmi_nand_data *this,
        desc->callback          = dma_irq_callback;
        desc->callback_param    = this;
        dmaengine_submit(desc);
+       dma_async_issue_pending(get_dma_chan(this));
 
        /* Wait for the interrupt from the DMA block. */
        err = wait_for_completion_timeout(dma_c, msecs_to_jiffies(1000));
index 083a49fee56a8bbaa0d3834d92fd459225a69d0e..165274c064bc723b4c344b1755d760267074563a 100644 (file)
@@ -42,6 +42,7 @@ obj-$(CONFIG_UNICORE32) += setup-bus.o setup-irq.o
 obj-$(CONFIG_PARISC) += setup-bus.o
 obj-$(CONFIG_SUPERH) += setup-bus.o setup-irq.o
 obj-$(CONFIG_PPC) += setup-bus.o
+obj-$(CONFIG_FRV) += setup-bus.o
 obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
 obj-$(CONFIG_X86_VISWS) += setup-irq.o
 obj-$(CONFIG_MN10300) += setup-bus.o
index bc8384c6f3ebe889d10678fe6147214c3b56858d..639db4d0aa768ef70f3be5293fc5209c8ba60cb8 100644 (file)
@@ -50,7 +50,7 @@
  */
 #undef START_IN_KERNEL_MODE
 
-#define DRV_VER "0.5.24"
+#define DRV_VER "0.5.26"
 
 /*
  * According to the Atom N270 datasheet,
@@ -83,8 +83,8 @@ static int kernelmode;
 #endif
 
 static unsigned int interval = 10;
-static unsigned int fanon = 63000;
-static unsigned int fanoff = 58000;
+static unsigned int fanon = 60000;
+static unsigned int fanoff = 53000;
 static unsigned int verbose;
 static unsigned int fanstate = ACERHDF_FAN_AUTO;
 static char force_bios[16];
@@ -150,6 +150,8 @@ static const struct bios_settings_t bios_tbl[] = {
        {"Acer", "AOA150", "v0.3308", 0x55, 0x58, {0x20, 0x00} },
        {"Acer", "AOA150", "v0.3309", 0x55, 0x58, {0x20, 0x00} },
        {"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x00} },
+       /* LT1005u */
+       {"Acer", "LT-10Q", "v0.3310", 0x55, 0x58, {0x20, 0x00} },
        /* Acer 1410 */
        {"Acer", "Aspire 1410", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
        {"Acer", "Aspire 1410", "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
@@ -161,6 +163,7 @@ static const struct bios_settings_t bios_tbl[] = {
        {"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
        {"Acer", "Aspire 1410", "v1.3308", 0x55, 0x58, {0x9e, 0x00} },
        {"Acer", "Aspire 1410", "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
+       {"Acer", "Aspire 1410", "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
        /* Acer 1810xx */
        {"Acer", "Aspire 1810TZ", "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
        {"Acer", "Aspire 1810T",  "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
@@ -183,29 +186,44 @@ static const struct bios_settings_t bios_tbl[] = {
        {"Acer", "Aspire 1810TZ", "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
        {"Acer", "Aspire 1810T",  "v1.3310", 0x55, 0x58, {0x9e, 0x00} },
        {"Acer", "Aspire 1810TZ", "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
+       {"Acer", "Aspire 1810T",  "v1.3314", 0x55, 0x58, {0x9e, 0x00} },
        /* Acer 531 */
+       {"Acer", "AO531h", "v0.3104", 0x55, 0x58, {0x20, 0x00} },
        {"Acer", "AO531h", "v0.3201", 0x55, 0x58, {0x20, 0x00} },
+       {"Acer", "AO531h", "v0.3304", 0x55, 0x58, {0x20, 0x00} },
+       /* Acer 751 */
+       {"Acer", "AO751h", "V0.3212", 0x55, 0x58, {0x21, 0x00} },
+       /* Acer 1825 */
+       {"Acer", "Aspire 1825PTZ", "V1.3118", 0x55, 0x58, {0x9e, 0x00} },
+       {"Acer", "Aspire 1825PTZ", "V1.3127", 0x55, 0x58, {0x9e, 0x00} },
+       /* Acer TravelMate 7730 */
+       {"Acer", "TravelMate 7730G", "v0.3509", 0x55, 0x58, {0xaf, 0x00} },
        /* Gateway */
-       {"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x00} },
-       {"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x00} },
-       {"Gateway", "LT31",   "v1.3103", 0x55, 0x58, {0x9e, 0x00} },
-       {"Gateway", "LT31",   "v1.3201", 0x55, 0x58, {0x9e, 0x00} },
-       {"Gateway", "LT31",   "v1.3302", 0x55, 0x58, {0x9e, 0x00} },
+       {"Gateway", "AOA110", "v0.3103",  0x55, 0x58, {0x21, 0x00} },
+       {"Gateway", "AOA150", "v0.3103",  0x55, 0x58, {0x20, 0x00} },
+       {"Gateway", "LT31",   "v1.3103",  0x55, 0x58, {0x9e, 0x00} },
+       {"Gateway", "LT31",   "v1.3201",  0x55, 0x58, {0x9e, 0x00} },
+       {"Gateway", "LT31",   "v1.3302",  0x55, 0x58, {0x9e, 0x00} },
+       {"Gateway", "LT31",   "v1.3303t", 0x55, 0x58, {0x9e, 0x00} },
        /* Packard Bell */
-       {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x00} },
-       {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} },
-       {"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x00} },
-       {"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} },
-       {"Packard Bell", "DOTMU",  "v1.3303", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMU",  "v0.3120", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMU",  "v0.3108", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMU",  "v0.3113", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMU",  "v0.3115", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMU",  "v0.3117", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMU",  "v0.3119", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMU",  "v1.3204", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMA",  "v1.3201", 0x55, 0x58, {0x9e, 0x00} },
-       {"Packard Bell", "DOTMA",  "v1.3302", 0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOA150",  "v0.3104",  0x55, 0x58, {0x21, 0x00} },
+       {"Packard Bell", "DOA150",  "v0.3105",  0x55, 0x58, {0x20, 0x00} },
+       {"Packard Bell", "AOA110",  "v0.3105",  0x55, 0x58, {0x21, 0x00} },
+       {"Packard Bell", "AOA150",  "v0.3105",  0x55, 0x58, {0x20, 0x00} },
+       {"Packard Bell", "ENBFT",   "V1.3118",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "ENBFT",   "V1.3127",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v1.3303",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v0.3120",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v0.3108",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v0.3113",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v0.3115",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v0.3117",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v0.3119",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMU",   "v1.3204",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMA",   "v1.3201",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMA",   "v1.3302",  0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTMA",   "v1.3303t", 0x55, 0x58, {0x9e, 0x00} },
+       {"Packard Bell", "DOTVR46", "v1.3308",  0x55, 0x58, {0x9e, 0x00} },
        /* pewpew-terminator */
        {"", "", "", 0, 0, {0, 0} }
 };
@@ -701,15 +719,20 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Peter Feuerer");
 MODULE_DESCRIPTION("Aspire One temperature and fan driver");
 MODULE_ALIAS("dmi:*:*Acer*:pnAOA*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAO751h*:");
 MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1410*:");
 MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1810*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1825PTZ:");
 MODULE_ALIAS("dmi:*:*Acer*:pnAO531*:");
+MODULE_ALIAS("dmi:*:*Acer*:TravelMate*7730G:");
 MODULE_ALIAS("dmi:*:*Gateway*:pnAOA*:");
 MODULE_ALIAS("dmi:*:*Gateway*:pnLT31*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnAOA*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOA*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMU*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnENBFT*:");
 MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMA*:");
+MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTVR46*:");
 
 module_init(acerhdf_init);
 module_exit(acerhdf_exit);
index a05fc9c955d86212cc274b8f78296c994342e2b0..e6c08ee8d46c0acb5d1652b2627bc65b5f2d4922 100644 (file)
@@ -212,6 +212,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = {
                },
                .driver_data = &quirk_dell_vostro_v130,
        },
+       { }
 };
 
 static struct calling_interface_buffer *buffer;
index f7ba316e0ed612f7adddafd75fe7f94b13d78656..0ffdb3cde2bbc3ff569fee774dcd842333585031 100644 (file)
@@ -1565,7 +1565,7 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id)
                ips->poll_turbo_status = true;
 
        if (!ips_get_i915_syms(ips)) {
-               dev_err(&dev->dev, "failed to get i915 symbols, graphics turbo disabled\n");
+               dev_info(&dev->dev, "failed to get i915 symbols, graphics turbo disabled until i915 loads\n");
                ips->gpu_turbo_enabled = false;
        } else {
                dev_dbg(&dev->dev, "graphics turbo enabled\n");
index cd188ab72f79c7bba15f5c59d055705d2a68e140..c293d0cdb10483502784653f8617d0f0ecb55562 100644 (file)
@@ -902,6 +902,7 @@ read_rtc:
                }
                ds1307->nvram->attr.name = "nvram";
                ds1307->nvram->attr.mode = S_IRUGO | S_IWUSR;
+               sysfs_bin_attr_init(ds1307->nvram);
                ds1307->nvram->read = ds1307_nvram_read,
                ds1307->nvram->write = ds1307_nvram_write,
                ds1307->nvram->size = chip->nvram_size;
index e002cd466e9a916d24d6064012d0488c854cd63e..467dc38246f93317221239e45a798c867bd1cdb0 100644 (file)
@@ -4549,8 +4549,12 @@ static int ipr_ata_slave_alloc(struct scsi_device *sdev)
        ENTER;
        if (sdev->sdev_target)
                sata_port = sdev->sdev_target->hostdata;
-       if (sata_port)
+       if (sata_port) {
                rc = ata_sas_port_init(sata_port->ap);
+               if (rc == 0)
+                       rc = ata_sas_sync_probe(sata_port->ap);
+       }
+
        if (rc)
                ipr_slave_destroy(sdev);
 
index ef9560dff295f9252bf9ccdf3a4d9d2de61d1852..cc83b66d45b7836aebe4fe55085935922fdb4a56 100644 (file)
@@ -1742,17 +1742,19 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp,
 
        mfs = ntohs(flp->fl_csp.sp_bb_data) &
                FC_SP_BB_DATA_MASK;
-       if (mfs >= FC_SP_MIN_MAX_PAYLOAD &&
-           mfs <= lport->mfs) {
-               lport->mfs = mfs;
-               fc_host_maxframe_size(lport->host) = mfs;
-       } else {
+
+       if (mfs < FC_SP_MIN_MAX_PAYLOAD || mfs > FC_SP_MAX_MAX_PAYLOAD) {
                FC_LPORT_DBG(lport, "FLOGI bad mfs:%hu response, "
                             "lport->mfs:%hu\n", mfs, lport->mfs);
                fc_lport_error(lport, fp);
                goto err;
        }
 
+       if (mfs <= lport->mfs) {
+               lport->mfs = mfs;
+               fc_host_maxframe_size(lport->host) = mfs;
+       }
+
        csp_flags = ntohs(flp->fl_csp.sp_features);
        r_a_tov = ntohl(flp->fl_csp.sp_r_a_tov);
        e_d_tov = ntohl(flp->fl_csp.sp_e_d_tov);
index bc0cecc6ad62492c02b153ecee767ed0cfd650b1..441d88ad99a7bb3abadb8b1e9af25281ced8334b 100644 (file)
@@ -546,11 +546,12 @@ static struct ata_port_info sata_port_info = {
        .port_ops = &sas_sata_ops
 };
 
-int sas_ata_init_host_and_port(struct domain_device *found_dev)
+int sas_ata_init(struct domain_device *found_dev)
 {
        struct sas_ha_struct *ha = found_dev->port->ha;
        struct Scsi_Host *shost = ha->core.shost;
        struct ata_port *ap;
+       int rc;
 
        ata_host_init(&found_dev->sata_dev.ata_host,
                      ha->dev,
@@ -567,8 +568,11 @@ int sas_ata_init_host_and_port(struct domain_device *found_dev)
        ap->private_data = found_dev;
        ap->cbl = ATA_CBL_SATA;
        ap->scsi_host = shost;
-       /* publish initialized ata port */
-       smp_wmb();
+       rc = ata_sas_port_init(ap);
+       if (rc) {
+               ata_sas_port_destroy(ap);
+               return rc;
+       }
        found_dev->sata_dev.ap = ap;
 
        return 0;
@@ -648,18 +652,13 @@ static void sas_get_ata_command_set(struct domain_device *dev)
 void sas_probe_sata(struct asd_sas_port *port)
 {
        struct domain_device *dev, *n;
-       int err;
 
        mutex_lock(&port->ha->disco_mutex);
-       list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node) {
+       list_for_each_entry(dev, &port->disco_list, disco_list_node) {
                if (!dev_is_sata(dev))
                        continue;
 
-               err = sas_ata_init_host_and_port(dev);
-               if (err)
-                       sas_fail_probe(dev, __func__, err);
-               else
-                       ata_sas_async_port_init(dev->sata_dev.ap);
+               ata_sas_async_probe(dev->sata_dev.ap);
        }
        mutex_unlock(&port->ha->disco_mutex);
 
@@ -718,18 +717,6 @@ static void async_sas_ata_eh(void *data, async_cookie_t cookie)
        sas_put_device(dev);
 }
 
-static bool sas_ata_dev_eh_valid(struct domain_device *dev)
-{
-       struct ata_port *ap;
-
-       if (!dev_is_sata(dev))
-               return false;
-       ap = dev->sata_dev.ap;
-       /* consume fully initialized ata ports */
-       smp_rmb();
-       return !!ap;
-}
-
 void sas_ata_strategy_handler(struct Scsi_Host *shost)
 {
        struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
@@ -753,7 +740,7 @@ void sas_ata_strategy_handler(struct Scsi_Host *shost)
 
                spin_lock(&port->dev_list_lock);
                list_for_each_entry(dev, &port->dev_list, dev_list_node) {
-                       if (!sas_ata_dev_eh_valid(dev))
+                       if (!dev_is_sata(dev))
                                continue;
                        async_schedule_domain(async_sas_ata_eh, dev, &async);
                }
index 3646796756028bd1258a7dd920025d860baa294d..629a0865b130db3fc25036103ab78aaf94eba5ea 100644 (file)
@@ -72,6 +72,7 @@ static int sas_get_port_device(struct asd_sas_port *port)
        struct asd_sas_phy *phy;
        struct sas_rphy *rphy;
        struct domain_device *dev;
+       int rc = -ENODEV;
 
        dev = sas_alloc_device();
        if (!dev)
@@ -110,9 +111,16 @@ static int sas_get_port_device(struct asd_sas_port *port)
 
        sas_init_dev(dev);
 
+       dev->port = port;
        switch (dev->dev_type) {
-       case SAS_END_DEV:
        case SATA_DEV:
+               rc = sas_ata_init(dev);
+               if (rc) {
+                       rphy = NULL;
+                       break;
+               }
+               /* fall through */
+       case SAS_END_DEV:
                rphy = sas_end_device_alloc(port->port);
                break;
        case EDGE_DEV:
@@ -131,19 +139,14 @@ static int sas_get_port_device(struct asd_sas_port *port)
 
        if (!rphy) {
                sas_put_device(dev);
-               return -ENODEV;
+               return rc;
        }
 
-       spin_lock_irq(&port->phy_list_lock);
-       list_for_each_entry(phy, &port->phy_list, port_phy_el)
-               sas_phy_set_target(phy, dev);
-       spin_unlock_irq(&port->phy_list_lock);
        rphy->identify.phy_identifier = phy->phy->identify.phy_identifier;
        memcpy(dev->sas_addr, port->attached_sas_addr, SAS_ADDR_SIZE);
        sas_fill_in_rphy(dev, rphy);
        sas_hash_addr(dev->hashed_sas_addr, dev->sas_addr);
        port->port_dev = dev;
-       dev->port = port;
        dev->linkrate = port->linkrate;
        dev->min_linkrate = port->linkrate;
        dev->max_linkrate = port->linkrate;
@@ -155,6 +158,7 @@ static int sas_get_port_device(struct asd_sas_port *port)
        sas_device_set_phy(dev, port->port);
 
        dev->rphy = rphy;
+       get_device(&dev->rphy->dev);
 
        if (dev_is_sata(dev) || dev->dev_type == SAS_END_DEV)
                list_add_tail(&dev->disco_list_node, &port->disco_list);
@@ -164,6 +168,11 @@ static int sas_get_port_device(struct asd_sas_port *port)
                spin_unlock_irq(&port->dev_list_lock);
        }
 
+       spin_lock_irq(&port->phy_list_lock);
+       list_for_each_entry(phy, &port->phy_list, port_phy_el)
+               sas_phy_set_target(phy, dev);
+       spin_unlock_irq(&port->phy_list_lock);
+
        return 0;
 }
 
@@ -205,8 +214,7 @@ void sas_notify_lldd_dev_gone(struct domain_device *dev)
 static void sas_probe_devices(struct work_struct *work)
 {
        struct domain_device *dev, *n;
-       struct sas_discovery_event *ev =
-               container_of(work, struct sas_discovery_event, work);
+       struct sas_discovery_event *ev = to_sas_discovery_event(work);
        struct asd_sas_port *port = ev->port;
 
        clear_bit(DISCE_PROBE, &port->disc.pending);
@@ -255,6 +263,9 @@ void sas_free_device(struct kref *kref)
 {
        struct domain_device *dev = container_of(kref, typeof(*dev), kref);
 
+       put_device(&dev->rphy->dev);
+       dev->rphy = NULL;
+
        if (dev->parent)
                sas_put_device(dev->parent);
 
@@ -291,8 +302,7 @@ static void sas_unregister_common_dev(struct asd_sas_port *port, struct domain_d
 static void sas_destruct_devices(struct work_struct *work)
 {
        struct domain_device *dev, *n;
-       struct sas_discovery_event *ev =
-               container_of(work, struct sas_discovery_event, work);
+       struct sas_discovery_event *ev = to_sas_discovery_event(work);
        struct asd_sas_port *port = ev->port;
 
        clear_bit(DISCE_DESTRUCT, &port->disc.pending);
@@ -302,7 +312,6 @@ static void sas_destruct_devices(struct work_struct *work)
 
                sas_remove_children(&dev->rphy->dev);
                sas_rphy_delete(dev->rphy);
-               dev->rphy = NULL;
                sas_unregister_common_dev(port, dev);
        }
 }
@@ -314,11 +323,11 @@ void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev)
                /* this rphy never saw sas_rphy_add */
                list_del_init(&dev->disco_list_node);
                sas_rphy_free(dev->rphy);
-               dev->rphy = NULL;
                sas_unregister_common_dev(port, dev);
+               return;
        }
 
-       if (dev->rphy && !test_and_set_bit(SAS_DEV_DESTROY, &dev->state)) {
+       if (!test_and_set_bit(SAS_DEV_DESTROY, &dev->state)) {
                sas_rphy_unlink(dev->rphy);
                list_move_tail(&dev->disco_list_node, &port->destroy_list);
                sas_discover_event(dev->port, DISCE_DESTRUCT);
@@ -377,8 +386,7 @@ static void sas_discover_domain(struct work_struct *work)
 {
        struct domain_device *dev;
        int error = 0;
-       struct sas_discovery_event *ev =
-               container_of(work, struct sas_discovery_event, work);
+       struct sas_discovery_event *ev = to_sas_discovery_event(work);
        struct asd_sas_port *port = ev->port;
 
        clear_bit(DISCE_DISCOVER_DOMAIN, &port->disc.pending);
@@ -419,8 +427,6 @@ static void sas_discover_domain(struct work_struct *work)
 
        if (error) {
                sas_rphy_free(dev->rphy);
-               dev->rphy = NULL;
-
                list_del_init(&dev->disco_list_node);
                spin_lock_irq(&port->dev_list_lock);
                list_del_init(&dev->dev_list_node);
@@ -437,8 +443,7 @@ static void sas_discover_domain(struct work_struct *work)
 static void sas_revalidate_domain(struct work_struct *work)
 {
        int res = 0;
-       struct sas_discovery_event *ev =
-               container_of(work, struct sas_discovery_event, work);
+       struct sas_discovery_event *ev = to_sas_discovery_event(work);
        struct asd_sas_port *port = ev->port;
        struct sas_ha_struct *ha = port->ha;
 
@@ -466,21 +471,25 @@ static void sas_revalidate_domain(struct work_struct *work)
 
 /* ---------- Events ---------- */
 
-static void sas_chain_work(struct sas_ha_struct *ha, struct work_struct *work)
+static void sas_chain_work(struct sas_ha_struct *ha, struct sas_work *sw)
 {
-       /* chained work is not subject to SA_HA_DRAINING or SAS_HA_REGISTERED */
-       scsi_queue_work(ha->core.shost, work);
+       /* chained work is not subject to SA_HA_DRAINING or
+        * SAS_HA_REGISTERED, because it is either submitted in the
+        * workqueue, or known to be submitted from a context that is
+        * not racing against draining
+        */
+       scsi_queue_work(ha->core.shost, &sw->work);
 }
 
 static void sas_chain_event(int event, unsigned long *pending,
-                           struct work_struct *work,
+                           struct sas_work *sw,
                            struct sas_ha_struct *ha)
 {
        if (!test_and_set_bit(event, pending)) {
                unsigned long flags;
 
                spin_lock_irqsave(&ha->state_lock, flags);
-               sas_chain_work(ha, work);
+               sas_chain_work(ha, sw);
                spin_unlock_irqrestore(&ha->state_lock, flags);
        }
 }
@@ -519,7 +528,7 @@ void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port)
 
        disc->pending = 0;
        for (i = 0; i < DISC_NUM_EVENTS; i++) {
-               INIT_WORK(&disc->disc_work[i].work, sas_event_fns[i]);
+               INIT_SAS_WORK(&disc->disc_work[i].work, sas_event_fns[i]);
                disc->disc_work[i].port = port;
        }
 }
index 16639bbae629d279af43a33f78072e4d88d09fc8..4e4292d210c1478131b6eda3260f51b6ffc3fa52 100644 (file)
 #include "sas_internal.h"
 #include "sas_dump.h"
 
-void sas_queue_work(struct sas_ha_struct *ha, struct work_struct *work)
+void sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw)
 {
        if (!test_bit(SAS_HA_REGISTERED, &ha->state))
                return;
 
-       if (test_bit(SAS_HA_DRAINING, &ha->state))
-               list_add(&work->entry, &ha->defer_q);
-       else
-               scsi_queue_work(ha->core.shost, work);
+       if (test_bit(SAS_HA_DRAINING, &ha->state)) {
+               /* add it to the defer list, if not already pending */
+               if (list_empty(&sw->drain_node))
+                       list_add(&sw->drain_node, &ha->defer_q);
+       } else
+               scsi_queue_work(ha->core.shost, &sw->work);
 }
 
 static void sas_queue_event(int event, unsigned long *pending,
-                           struct work_struct *work,
+                           struct sas_work *work,
                            struct sas_ha_struct *ha)
 {
        if (!test_and_set_bit(event, pending)) {
@@ -55,7 +57,7 @@ static void sas_queue_event(int event, unsigned long *pending,
 void __sas_drain_work(struct sas_ha_struct *ha)
 {
        struct workqueue_struct *wq = ha->core.shost->work_q;
-       struct work_struct *w, *_w;
+       struct sas_work *sw, *_sw;
 
        set_bit(SAS_HA_DRAINING, &ha->state);
        /* flush submitters */
@@ -66,9 +68,9 @@ void __sas_drain_work(struct sas_ha_struct *ha)
 
        spin_lock_irq(&ha->state_lock);
        clear_bit(SAS_HA_DRAINING, &ha->state);
-       list_for_each_entry_safe(w, _w, &ha->defer_q, entry) {
-               list_del_init(&w->entry);
-               sas_queue_work(ha, w);
+       list_for_each_entry_safe(sw, _sw, &ha->defer_q, drain_node) {
+               list_del_init(&sw->drain_node);
+               sas_queue_work(ha, sw);
        }
        spin_unlock_irq(&ha->state_lock);
 }
@@ -151,7 +153,7 @@ int sas_init_events(struct sas_ha_struct *sas_ha)
        int i;
 
        for (i = 0; i < HA_NUM_EVENTS; i++) {
-               INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]);
+               INIT_SAS_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]);
                sas_ha->ha_events[i].ha = sas_ha;
        }
 
index 05acd9e35fc4def9872d8b19debdb2875302b65b..caa0525d2523037f7bace6a27cfdb007176b0448 100644 (file)
@@ -202,6 +202,7 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
        u8 sas_addr[SAS_ADDR_SIZE];
        struct smp_resp *resp = rsp;
        struct discover_resp *dr = &resp->disc;
+       struct sas_ha_struct *ha = dev->port->ha;
        struct expander_device *ex = &dev->ex_dev;
        struct ex_phy *phy = &ex->ex_phy[phy_id];
        struct sas_rphy *rphy = dev->rphy;
@@ -209,6 +210,8 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
        char *type;
 
        if (new_phy) {
+               if (WARN_ON_ONCE(test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)))
+                       return;
                phy->phy = sas_phy_alloc(&rphy->dev, phy_id);
 
                /* FIXME: error_handling */
@@ -233,6 +236,8 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
        memcpy(sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE);
 
        phy->attached_dev_type = to_dev_type(dr);
+       if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state))
+               goto out;
        phy->phy_id = phy_id;
        phy->linkrate = dr->linkrate;
        phy->attached_sata_host = dr->attached_sata_host;
@@ -240,7 +245,14 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
        phy->attached_sata_ps   = dr->attached_sata_ps;
        phy->attached_iproto = dr->iproto << 1;
        phy->attached_tproto = dr->tproto << 1;
-       memcpy(phy->attached_sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE);
+       /* help some expanders that fail to zero sas_address in the 'no
+        * device' case
+        */
+       if (phy->attached_dev_type == NO_DEVICE ||
+           phy->linkrate < SAS_LINK_RATE_1_5_GBPS)
+               memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
+       else
+               memcpy(phy->attached_sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE);
        phy->attached_phy_id = dr->attached_phy_id;
        phy->phy_change_count = dr->change_count;
        phy->routing_attr = dr->routing_attr;
@@ -266,6 +278,7 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
                        return;
                }
 
+ out:
        switch (phy->attached_dev_type) {
        case SATA_PENDING:
                type = "stp pending";
@@ -304,7 +317,15 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
        else
                return;
 
-       SAS_DPRINTK("ex %016llx phy%02d:%c:%X attached: %016llx (%s)\n",
+       /* if the attached device type changed and ata_eh is active,
+        * make sure we run revalidation when eh completes (see:
+        * sas_enable_revalidation)
+        */
+       if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state))
+               set_bit(DISCE_REVALIDATE_DOMAIN, &dev->port->disc.pending);
+
+       SAS_DPRINTK("%sex %016llx phy%02d:%c:%X attached: %016llx (%s)\n",
+                   test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state) ? "ata: " : "",
                    SAS_ADDR(dev->sas_addr), phy->phy_id,
                    sas_route_char(dev, phy), phy->linkrate,
                    SAS_ADDR(phy->attached_sas_addr), type);
@@ -776,13 +797,16 @@ static struct domain_device *sas_ex_discover_end_dev(
                if (res)
                        goto out_free;
 
+               sas_init_dev(child);
+               res = sas_ata_init(child);
+               if (res)
+                       goto out_free;
                rphy = sas_end_device_alloc(phy->port);
-               if (unlikely(!rphy))
+               if (!rphy)
                        goto out_free;
 
-               sas_init_dev(child);
-
                child->rphy = rphy;
+               get_device(&rphy->dev);
 
                list_add_tail(&child->disco_list_node, &parent->port->disco_list);
 
@@ -806,6 +830,7 @@ static struct domain_device *sas_ex_discover_end_dev(
                sas_init_dev(child);
 
                child->rphy = rphy;
+               get_device(&rphy->dev);
                sas_fill_in_rphy(child, rphy);
 
                list_add_tail(&child->disco_list_node, &parent->port->disco_list);
@@ -830,8 +855,6 @@ static struct domain_device *sas_ex_discover_end_dev(
 
  out_list_del:
        sas_rphy_free(child->rphy);
-       child->rphy = NULL;
-
        list_del(&child->disco_list_node);
        spin_lock_irq(&parent->port->dev_list_lock);
        list_del(&child->dev_list_node);
@@ -911,6 +934,7 @@ static struct domain_device *sas_ex_discover_expander(
        }
        port = parent->port;
        child->rphy = rphy;
+       get_device(&rphy->dev);
        edev = rphy_to_expander_device(rphy);
        child->dev_type = phy->attached_dev_type;
        kref_get(&parent->kref);
@@ -934,6 +958,7 @@ static struct domain_device *sas_ex_discover_expander(
 
        res = sas_discover_expander(child);
        if (res) {
+               sas_rphy_delete(rphy);
                spin_lock_irq(&parent->port->dev_list_lock);
                list_del(&child->dev_list_node);
                spin_unlock_irq(&parent->port->dev_list_lock);
@@ -1718,9 +1743,17 @@ static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id,
                int phy_change_count = 0;
 
                res = sas_get_phy_change_count(dev, i, &phy_change_count);
-               if (res)
-                       goto out;
-               else if (phy_change_count != ex->ex_phy[i].phy_change_count) {
+               switch (res) {
+               case SMP_RESP_PHY_VACANT:
+               case SMP_RESP_NO_PHY:
+                       continue;
+               case SMP_RESP_FUNC_ACC:
+                       break;
+               default:
+                       return res;
+               }
+
+               if (phy_change_count != ex->ex_phy[i].phy_change_count) {
                        if (update)
                                ex->ex_phy[i].phy_change_count =
                                        phy_change_count;
@@ -1728,8 +1761,7 @@ static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id,
                        return 0;
                }
        }
-out:
-       return res;
+       return 0;
 }
 
 static int sas_get_ex_change_count(struct domain_device *dev, int *ecc)
index 120bff64be303c67cc66aba9fdfae3af7d58e2c8..10cb5ae30977cfaa9da66f5ad0b7b497aa51b758 100644 (file)
@@ -94,8 +94,7 @@ void sas_hash_addr(u8 *hashed, const u8 *sas_addr)
 
 void sas_hae_reset(struct work_struct *work)
 {
-       struct sas_ha_event *ev =
-               container_of(work, struct sas_ha_event, work);
+       struct sas_ha_event *ev = to_sas_ha_event(work);
        struct sas_ha_struct *ha = ev->ha;
 
        clear_bit(HAE_RESET, &ha->pending);
@@ -369,14 +368,14 @@ static void sas_phy_release(struct sas_phy *phy)
 
 static void phy_reset_work(struct work_struct *work)
 {
-       struct sas_phy_data *d = container_of(work, typeof(*d), reset_work);
+       struct sas_phy_data *d = container_of(work, typeof(*d), reset_work.work);
 
        d->reset_result = transport_sas_phy_reset(d->phy, d->hard_reset);
 }
 
 static void phy_enable_work(struct work_struct *work)
 {
-       struct sas_phy_data *d = container_of(work, typeof(*d), enable_work);
+       struct sas_phy_data *d = container_of(work, typeof(*d), enable_work.work);
 
        d->enable_result = sas_phy_enable(d->phy, d->enable);
 }
@@ -389,8 +388,8 @@ static int sas_phy_setup(struct sas_phy *phy)
                return -ENOMEM;
 
        mutex_init(&d->event_lock);
-       INIT_WORK(&d->reset_work, phy_reset_work);
-       INIT_WORK(&d->enable_work, phy_enable_work);
+       INIT_SAS_WORK(&d->reset_work, phy_reset_work);
+       INIT_SAS_WORK(&d->enable_work, phy_enable_work);
        d->phy = phy;
        phy->hostdata = d;
 
index f05c63879949a1b70ef1553571d54e87922f0d18..507e4cf12e56cef87cd3b80af00215cc62db6078 100644 (file)
@@ -45,10 +45,10 @@ struct sas_phy_data {
        struct mutex event_lock;
        int hard_reset;
        int reset_result;
-       struct work_struct reset_work;
+       struct sas_work reset_work;
        int enable;
        int enable_result;
-       struct work_struct enable_work;
+       struct sas_work enable_work;
 };
 
 void sas_scsi_recover_host(struct Scsi_Host *shost);
@@ -80,7 +80,7 @@ void sas_porte_broadcast_rcvd(struct work_struct *work);
 void sas_porte_link_reset_err(struct work_struct *work);
 void sas_porte_timer_event(struct work_struct *work);
 void sas_porte_hard_reset(struct work_struct *work);
-void sas_queue_work(struct sas_ha_struct *ha, struct work_struct *work);
+void sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw);
 
 int sas_notify_lldd_dev_found(struct domain_device *);
 void sas_notify_lldd_dev_gone(struct domain_device *);
index dcfd4a9105c5e2429b210bf427f85cf97ae2620b..521422e857ab330ee3a659ad11dae2dd02aee9f0 100644 (file)
@@ -32,8 +32,7 @@
 
 static void sas_phye_loss_of_signal(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
 
        clear_bit(PHYE_LOSS_OF_SIGNAL, &phy->phy_events_pending);
@@ -43,8 +42,7 @@ static void sas_phye_loss_of_signal(struct work_struct *work)
 
 static void sas_phye_oob_done(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
 
        clear_bit(PHYE_OOB_DONE, &phy->phy_events_pending);
@@ -53,8 +51,7 @@ static void sas_phye_oob_done(struct work_struct *work)
 
 static void sas_phye_oob_error(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
        struct sas_ha_struct *sas_ha = phy->ha;
        struct asd_sas_port *port = phy->port;
@@ -85,8 +82,7 @@ static void sas_phye_oob_error(struct work_struct *work)
 
 static void sas_phye_spinup_hold(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
        struct sas_ha_struct *sas_ha = phy->ha;
        struct sas_internal *i =
@@ -127,14 +123,12 @@ int sas_register_phys(struct sas_ha_struct *sas_ha)
                phy->error = 0;
                INIT_LIST_HEAD(&phy->port_phy_el);
                for (k = 0; k < PORT_NUM_EVENTS; k++) {
-                       INIT_WORK(&phy->port_events[k].work,
-                                 sas_port_event_fns[k]);
+                       INIT_SAS_WORK(&phy->port_events[k].work, sas_port_event_fns[k]);
                        phy->port_events[k].phy = phy;
                }
 
                for (k = 0; k < PHY_NUM_EVENTS; k++) {
-                       INIT_WORK(&phy->phy_events[k].work,
-                                 sas_phy_event_fns[k]);
+                       INIT_SAS_WORK(&phy->phy_events[k].work, sas_phy_event_fns[k]);
                        phy->phy_events[k].phy = phy;
                }
 
@@ -144,8 +138,7 @@ int sas_register_phys(struct sas_ha_struct *sas_ha)
                spin_lock_init(&phy->sas_prim_lock);
                phy->frame_rcvd_size = 0;
 
-               phy->phy = sas_phy_alloc(&sas_ha->core.shost->shost_gendev,
-                                        i);
+               phy->phy = sas_phy_alloc(&sas_ha->core.shost->shost_gendev, i);
                if (!phy->phy)
                        return -ENOMEM;
 
index eb19c016d5001b1890feafa0f8ae140e1982a1bf..e884a8c58a0ccb181424051281fda4b4a45fc1a9 100644 (file)
@@ -123,7 +123,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
        spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags);
 
        if (!port->port) {
-               port->port = sas_port_alloc(phy->phy->dev.parent, phy->id);
+               port->port = sas_port_alloc(phy->phy->dev.parent, port->id);
                BUG_ON(!port->port);
                sas_port_add(port->port);
        }
@@ -208,8 +208,7 @@ void sas_deform_port(struct asd_sas_phy *phy, int gone)
 
 void sas_porte_bytes_dmaed(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
 
        clear_bit(PORTE_BYTES_DMAED, &phy->port_events_pending);
@@ -219,8 +218,7 @@ void sas_porte_bytes_dmaed(struct work_struct *work)
 
 void sas_porte_broadcast_rcvd(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
        unsigned long flags;
        u32 prim;
@@ -237,8 +235,7 @@ void sas_porte_broadcast_rcvd(struct work_struct *work)
 
 void sas_porte_link_reset_err(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
 
        clear_bit(PORTE_LINK_RESET_ERR, &phy->port_events_pending);
@@ -248,8 +245,7 @@ void sas_porte_link_reset_err(struct work_struct *work)
 
 void sas_porte_timer_event(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
 
        clear_bit(PORTE_TIMER_EVENT, &phy->port_events_pending);
@@ -259,8 +255,7 @@ void sas_porte_timer_event(struct work_struct *work)
 
 void sas_porte_hard_reset(struct work_struct *work)
 {
-       struct asd_sas_event *ev =
-               container_of(work, struct asd_sas_event, work);
+       struct asd_sas_event *ev = to_asd_sas_event(work);
        struct asd_sas_phy *phy = ev->phy;
 
        clear_bit(PORTE_HARD_RESET, &phy->port_events_pending);
index ead6405f3e51465f5dfe95412cb4d242fa704608..5dfd7495d1a1bc4231123760090aa3d38eb9a764 100644 (file)
@@ -1638,7 +1638,7 @@ struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost,
                                         request_fn_proc *request_fn)
 {
        struct request_queue *q;
-       struct device *dev = shost->shost_gendev.parent;
+       struct device *dev = shost->dma_dev;
 
        q = blk_init_queue(request_fn, NULL);
        if (!q)
index 3ed748355b98f629619bdb5ff9e0eae4dbf2bf32..00c024039c9713a7b8468d91f5a7e42316db65d5 100644 (file)
@@ -74,7 +74,7 @@ config SPI_ATMEL
          This selects a driver for the Atmel SPI Controller, present on
          many AT32 (AVR32) and AT91 (ARM) chips.
 
-config SPI_BFIN
+config SPI_BFIN5XX
        tristate "SPI controller driver for ADI Blackfin5xx"
        depends on BLACKFIN
        help
index a1d48e0ba3dc91ad5e7ba8691be345ed5f1cc428..9d75d2198ff58bcce9ca60e587b72112a0b3c292 100644 (file)
@@ -15,7 +15,7 @@ obj-$(CONFIG_SPI_ATMEL)                       += spi-atmel.o
 obj-$(CONFIG_SPI_ATH79)                        += spi-ath79.o
 obj-$(CONFIG_SPI_AU1550)               += spi-au1550.o
 obj-$(CONFIG_SPI_BCM63XX)              += spi-bcm63xx.o
-obj-$(CONFIG_SPI_BFIN)                 += spi-bfin5xx.o
+obj-$(CONFIG_SPI_BFIN5XX)              += spi-bfin5xx.o
 obj-$(CONFIG_SPI_BFIN_SPORT)           += spi-bfin-sport.o
 obj-$(CONFIG_SPI_BITBANG)              += spi-bitbang.o
 obj-$(CONFIG_SPI_BUTTERFLY)            += spi-butterfly.o
index f01b2648452e61887ce7a8712d8b91dd15559d11..7491971139a63000aac97854132645fe5125fff4 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * Broadcom BCM63xx SPI controller support
  *
- * Copyright (C) 2009-2011 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2009-2012 Florian Fainelli <florian@openwrt.org>
  * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -30,6 +30,8 @@
 #include <linux/spi/spi.h>
 #include <linux/completion.h>
 #include <linux/err.h>
+#include <linux/workqueue.h>
+#include <linux/pm_runtime.h>
 
 #include <bcm63xx_dev_spi.h>
 
@@ -37,8 +39,6 @@
 #define DRV_VER                "0.1.2"
 
 struct bcm63xx_spi {
-       spinlock_t              lock;
-       int                     stopping;
        struct completion       done;
 
        void __iomem            *regs;
@@ -96,17 +96,12 @@ static const unsigned bcm63xx_spi_freq_table[SPI_CLK_MASK][2] = {
        {   391000, SPI_CLK_0_391MHZ }
 };
 
-static int bcm63xx_spi_setup_transfer(struct spi_device *spi,
-                                     struct spi_transfer *t)
+static int bcm63xx_spi_check_transfer(struct spi_device *spi,
+                                       struct spi_transfer *t)
 {
-       struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
        u8 bits_per_word;
-       u8 clk_cfg, reg;
-       u32 hz;
-       int i;
 
        bits_per_word = (t) ? t->bits_per_word : spi->bits_per_word;
-       hz = (t) ? t->speed_hz : spi->max_speed_hz;
        if (bits_per_word != 8) {
                dev_err(&spi->dev, "%s, unsupported bits_per_word=%d\n",
                        __func__, bits_per_word);
@@ -119,6 +114,19 @@ static int bcm63xx_spi_setup_transfer(struct spi_device *spi,
                return -EINVAL;
        }
 
+       return 0;
+}
+
+static void bcm63xx_spi_setup_transfer(struct spi_device *spi,
+                                     struct spi_transfer *t)
+{
+       struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
+       u32 hz;
+       u8 clk_cfg, reg;
+       int i;
+
+       hz = (t) ? t->speed_hz : spi->max_speed_hz;
+
        /* Find the closest clock configuration */
        for (i = 0; i < SPI_CLK_MASK; i++) {
                if (hz <= bcm63xx_spi_freq_table[i][0]) {
@@ -139,8 +147,6 @@ static int bcm63xx_spi_setup_transfer(struct spi_device *spi,
        bcm_spi_writeb(bs, reg, SPI_CLK_CFG);
        dev_dbg(&spi->dev, "Setting clock register to %02x (hz %d)\n",
                clk_cfg, hz);
-
-       return 0;
 }
 
 /* the spi->mode bits understood by this driver: */
@@ -153,9 +159,6 @@ static int bcm63xx_spi_setup(struct spi_device *spi)
 
        bs = spi_master_get_devdata(spi->master);
 
-       if (bs->stopping)
-               return -ESHUTDOWN;
-
        if (!spi->bits_per_word)
                spi->bits_per_word = 8;
 
@@ -165,7 +168,7 @@ static int bcm63xx_spi_setup(struct spi_device *spi)
                return -EINVAL;
        }
 
-       ret = bcm63xx_spi_setup_transfer(spi, NULL);
+       ret = bcm63xx_spi_check_transfer(spi, NULL);
        if (ret < 0) {
                dev_err(&spi->dev, "setup: unsupported mode bits %x\n",
                        spi->mode & ~MODEBITS);
@@ -190,28 +193,29 @@ static void bcm63xx_spi_fill_tx_fifo(struct bcm63xx_spi *bs)
        bs->remaining_bytes -= size;
 }
 
-static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
+static unsigned int bcm63xx_txrx_bufs(struct spi_device *spi,
+                                       struct spi_transfer *t)
 {
        struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
        u16 msg_ctl;
        u16 cmd;
 
+       /* Disable the CMD_DONE interrupt */
+       bcm_spi_writeb(bs, 0, SPI_INT_MASK);
+
        dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n",
                t->tx_buf, t->rx_buf, t->len);
 
        /* Transmitter is inhibited */
        bs->tx_ptr = t->tx_buf;
        bs->rx_ptr = t->rx_buf;
-       init_completion(&bs->done);
 
        if (t->tx_buf) {
                bs->remaining_bytes = t->len;
                bcm63xx_spi_fill_tx_fifo(bs);
        }
 
-       /* Enable the command done interrupt which
-        * we use to determine completion of a command */
-       bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
+       init_completion(&bs->done);
 
        /* Fill in the Message control register */
        msg_ctl = (t->len << SPI_BYTE_CNT_SHIFT);
@@ -230,33 +234,76 @@ static int bcm63xx_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
        cmd |= (0 << SPI_CMD_PREPEND_BYTE_CNT_SHIFT);
        cmd |= (spi->chip_select << SPI_CMD_DEVICE_ID_SHIFT);
        bcm_spi_writew(bs, cmd, SPI_CMD);
-       wait_for_completion(&bs->done);
 
-       /* Disable the CMD_DONE interrupt */
-       bcm_spi_writeb(bs, 0, SPI_INT_MASK);
+       /* Enable the CMD_DONE interrupt */
+       bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
 
        return t->len - bs->remaining_bytes;
 }
 
-static int bcm63xx_transfer(struct spi_device *spi, struct spi_message *m)
+static int bcm63xx_spi_prepare_transfer(struct spi_master *master)
 {
-       struct bcm63xx_spi *bs = spi_master_get_devdata(spi->master);
-       struct spi_transfer *t;
-       int ret = 0;
+       struct bcm63xx_spi *bs = spi_master_get_devdata(master);
 
-       if (unlikely(list_empty(&m->transfers)))
-               return -EINVAL;
+       pm_runtime_get_sync(&bs->pdev->dev);
 
-       if (bs->stopping)
-               return -ESHUTDOWN;
+       return 0;
+}
+
+static int bcm63xx_spi_unprepare_transfer(struct spi_master *master)
+{
+       struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+
+       pm_runtime_put(&bs->pdev->dev);
+
+       return 0;
+}
+
+static int bcm63xx_spi_transfer_one(struct spi_master *master,
+                                       struct spi_message *m)
+{
+       struct bcm63xx_spi *bs = spi_master_get_devdata(master);
+       struct spi_transfer *t;
+       struct spi_device *spi = m->spi;
+       int status = 0;
+       unsigned int timeout = 0;
 
        list_for_each_entry(t, &m->transfers, transfer_list) {
-               ret += bcm63xx_txrx_bufs(spi, t);
-       }
+               unsigned int len = t->len;
+               u8 rx_tail;
 
-       m->complete(m->context);
+               status = bcm63xx_spi_check_transfer(spi, t);
+               if (status < 0)
+                       goto exit;
 
-       return ret;
+               /* configure adapter for a new transfer */
+               bcm63xx_spi_setup_transfer(spi, t);
+
+               while (len) {
+                       /* send the data */
+                       len -= bcm63xx_txrx_bufs(spi, t);
+
+                       timeout = wait_for_completion_timeout(&bs->done, HZ);
+                       if (!timeout) {
+                               status = -ETIMEDOUT;
+                               goto exit;
+                       }
+
+                       /* read out all data */
+                       rx_tail = bcm_spi_readb(bs, SPI_RX_TAIL);
+
+                       /* Read out all the data */
+                       if (rx_tail)
+                               memcpy_fromio(bs->rx_ptr, bs->rx_io, rx_tail);
+               }
+
+               m->actual_length += t->len;
+       }
+exit:
+       m->status = status;
+       spi_finalize_current_message(master);
+
+       return 0;
 }
 
 /* This driver supports single master mode only. Hence
@@ -267,39 +314,15 @@ static irqreturn_t bcm63xx_spi_interrupt(int irq, void *dev_id)
        struct spi_master *master = (struct spi_master *)dev_id;
        struct bcm63xx_spi *bs = spi_master_get_devdata(master);
        u8 intr;
-       u16 cmd;
 
        /* Read interupts and clear them immediately */
        intr = bcm_spi_readb(bs, SPI_INT_STATUS);
        bcm_spi_writeb(bs, SPI_INTR_CLEAR_ALL, SPI_INT_STATUS);
        bcm_spi_writeb(bs, 0, SPI_INT_MASK);
 
-       /* A tansfer completed */
-       if (intr & SPI_INTR_CMD_DONE) {
-               u8 rx_tail;
-
-               rx_tail = bcm_spi_readb(bs, SPI_RX_TAIL);
-
-               /* Read out all the data */
-               if (rx_tail)
-                       memcpy_fromio(bs->rx_ptr, bs->rx_io, rx_tail);
-
-               /* See if there is more data to send */
-               if (bs->remaining_bytes > 0) {
-                       bcm63xx_spi_fill_tx_fifo(bs);
-
-                       /* Start the transfer */
-                       bcm_spi_writew(bs, SPI_HD_W << SPI_MSG_TYPE_SHIFT,
-                                      SPI_MSG_CTL);
-                       cmd = bcm_spi_readw(bs, SPI_CMD);
-                       cmd |= SPI_CMD_START_IMMEDIATE;
-                       cmd |= (0 << SPI_CMD_PREPEND_BYTE_CNT_SHIFT);
-                       bcm_spi_writeb(bs, SPI_INTR_CMD_DONE, SPI_INT_MASK);
-                       bcm_spi_writew(bs, cmd, SPI_CMD);
-               } else {
-                       complete(&bs->done);
-               }
-       }
+       /* A transfer completed */
+       if (intr & SPI_INTR_CMD_DONE)
+               complete(&bs->done);
 
        return IRQ_HANDLED;
 }
@@ -345,7 +368,6 @@ static int __devinit bcm63xx_spi_probe(struct platform_device *pdev)
        }
 
        bs = spi_master_get_devdata(master);
-       init_completion(&bs->done);
 
        platform_set_drvdata(pdev, master);
        bs->pdev = pdev;
@@ -379,12 +401,13 @@ static int __devinit bcm63xx_spi_probe(struct platform_device *pdev)
        master->bus_num = pdata->bus_num;
        master->num_chipselect = pdata->num_chipselect;
        master->setup = bcm63xx_spi_setup;
-       master->transfer = bcm63xx_transfer;
+       master->prepare_transfer_hardware = bcm63xx_spi_prepare_transfer;
+       master->unprepare_transfer_hardware = bcm63xx_spi_unprepare_transfer;
+       master->transfer_one_message = bcm63xx_spi_transfer_one;
+       master->mode_bits = MODEBITS;
        bs->speed_hz = pdata->speed_hz;
-       bs->stopping = 0;
        bs->tx_io = (u8 *)(bs->regs + bcm63xx_spireg(SPI_MSG_DATA));
        bs->rx_io = (const u8 *)(bs->regs + bcm63xx_spireg(SPI_RX_DATA));
-       spin_lock_init(&bs->lock);
 
        /* Initialize hardware */
        clk_enable(bs->clk);
@@ -418,18 +441,16 @@ static int __devexit bcm63xx_spi_remove(struct platform_device *pdev)
        struct spi_master *master = platform_get_drvdata(pdev);
        struct bcm63xx_spi *bs = spi_master_get_devdata(master);
 
+       spi_unregister_master(master);
+
        /* reset spi block */
        bcm_spi_writeb(bs, 0, SPI_INT_MASK);
-       spin_lock(&bs->lock);
-       bs->stopping = 1;
 
        /* HW shutdown */
        clk_disable(bs->clk);
        clk_put(bs->clk);
 
-       spin_unlock(&bs->lock);
        platform_set_drvdata(pdev, 0);
-       spi_unregister_master(master);
 
        return 0;
 }
index 248a2cc671a9bc8e6c6a83c5b515557f432c7841..1fe51198a62292310473d22d4bdbb502cf6cf304 100644 (file)
@@ -252,19 +252,15 @@ static void
 bfin_sport_spi_restore_state(struct bfin_sport_spi_master_data *drv_data)
 {
        struct bfin_sport_spi_slave_data *chip = drv_data->cur_chip;
-       unsigned int bits = (drv_data->ops == &bfin_sport_transfer_ops_u8 ? 7 : 15);
 
        bfin_sport_spi_disable(drv_data);
        dev_dbg(drv_data->dev, "restoring spi ctl state\n");
 
        bfin_write(&drv_data->regs->tcr1, chip->ctl_reg);
-       bfin_write(&drv_data->regs->tcr2, bits);
        bfin_write(&drv_data->regs->tclkdiv, chip->baud);
-       bfin_write(&drv_data->regs->tfsdiv, bits);
        SSYNC();
 
        bfin_write(&drv_data->regs->rcr1, chip->ctl_reg & ~(ITCLK | ITFS));
-       bfin_write(&drv_data->regs->rcr2, bits);
        SSYNC();
 
        bfin_sport_spi_cs_active(chip);
@@ -420,11 +416,15 @@ bfin_sport_spi_pump_transfers(unsigned long data)
        drv_data->cs_change = transfer->cs_change;
 
        /* Bits per word setup */
-       bits_per_word = transfer->bits_per_word ? : message->spi->bits_per_word;
-       if (bits_per_word == 8)
-               drv_data->ops = &bfin_sport_transfer_ops_u8;
-       else
+       bits_per_word = transfer->bits_per_word ? :
+               message->spi->bits_per_word ? : 8;
+       if (bits_per_word % 16 == 0)
                drv_data->ops = &bfin_sport_transfer_ops_u16;
+       else
+               drv_data->ops = &bfin_sport_transfer_ops_u8;
+       bfin_write(&drv_data->regs->tcr2, bits_per_word - 1);
+       bfin_write(&drv_data->regs->tfsdiv, bits_per_word - 1);
+       bfin_write(&drv_data->regs->rcr2, bits_per_word - 1);
 
        drv_data->state = RUNNING_STATE;
 
@@ -598,11 +598,12 @@ bfin_sport_spi_setup(struct spi_device *spi)
                        }
                        chip->cs_chg_udelay = chip_info->cs_chg_udelay;
                        chip->idle_tx_val = chip_info->idle_tx_val;
-                       spi->bits_per_word = chip_info->bits_per_word;
                }
        }
 
-       if (spi->bits_per_word != 8 && spi->bits_per_word != 16) {
+       if (spi->bits_per_word % 8) {
+               dev_err(&spi->dev, "%d bits_per_word is not supported\n",
+                               spi->bits_per_word);
                ret = -EINVAL;
                goto error;
        }
index 3b83ff8b1e2b7ac60fb5494347fbc2a189b6dc14..9bb4d4af85475f8cfed48dce4530598fd45cc73d 100644 (file)
@@ -396,7 +396,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
                /* last read */
                if (drv_data->rx) {
                        dev_dbg(&drv_data->pdev->dev, "last read\n");
-                       if (n_bytes % 2) {
+                       if (!(n_bytes % 2)) {
                                u16 *buf = (u16 *)drv_data->rx;
                                for (loop = 0; loop < n_bytes / 2; loop++)
                                        *buf++ = bfin_read(&drv_data->regs->rdbr);
@@ -424,7 +424,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
        if (drv_data->rx && drv_data->tx) {
                /* duplex */
                dev_dbg(&drv_data->pdev->dev, "duplex: write_TDBR\n");
-               if (n_bytes % 2) {
+               if (!(n_bytes % 2)) {
                        u16 *buf = (u16 *)drv_data->rx;
                        u16 *buf2 = (u16 *)drv_data->tx;
                        for (loop = 0; loop < n_bytes / 2; loop++) {
@@ -442,7 +442,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
        } else if (drv_data->rx) {
                /* read */
                dev_dbg(&drv_data->pdev->dev, "read: write_TDBR\n");
-               if (n_bytes % 2) {
+               if (!(n_bytes % 2)) {
                        u16 *buf = (u16 *)drv_data->rx;
                        for (loop = 0; loop < n_bytes / 2; loop++) {
                                *buf++ = bfin_read(&drv_data->regs->rdbr);
@@ -458,7 +458,7 @@ static irqreturn_t bfin_spi_pio_irq_handler(int irq, void *dev_id)
        } else if (drv_data->tx) {
                /* write */
                dev_dbg(&drv_data->pdev->dev, "write: write_TDBR\n");
-               if (n_bytes % 2) {
+               if (!(n_bytes % 2)) {
                        u16 *buf = (u16 *)drv_data->tx;
                        for (loop = 0; loop < n_bytes / 2; loop++) {
                                bfin_read(&drv_data->regs->rdbr);
@@ -587,6 +587,7 @@ static void bfin_spi_pump_transfers(unsigned long data)
        if (message->state == DONE_STATE) {
                dev_dbg(&drv_data->pdev->dev, "transfer: all done!\n");
                message->status = 0;
+               bfin_spi_flush(drv_data);
                bfin_spi_giveback(drv_data);
                return;
        }
@@ -870,8 +871,10 @@ static void bfin_spi_pump_transfers(unsigned long data)
                message->actual_length += drv_data->len_in_bytes;
                /* Move to next transfer of this msg */
                message->state = bfin_spi_next_transfer(drv_data);
-               if (drv_data->cs_change)
+               if (drv_data->cs_change && message->state != DONE_STATE) {
+                       bfin_spi_flush(drv_data);
                        bfin_spi_cs_deactive(drv_data, chip);
+               }
        }
 
        /* Schedule next transfer tasklet */
@@ -1026,7 +1029,6 @@ static int bfin_spi_setup(struct spi_device *spi)
                chip->cs_chg_udelay = chip_info->cs_chg_udelay;
                chip->idle_tx_val = chip_info->idle_tx_val;
                chip->pio_interrupt = chip_info->pio_interrupt;
-               spi->bits_per_word = chip_info->bits_per_word;
        } else {
                /* force a default base state */
                chip->ctl_reg &= bfin_ctl_reg;
index 6db2887852d6befe327b53cacdf2731b8328c68b..e8055073e84df898bbd0e281745bf633377a5eda 100644 (file)
@@ -545,13 +545,12 @@ static void ep93xx_spi_pio_transfer(struct ep93xx_spi *espi)
  * in case of failure.
  */
 static struct dma_async_tx_descriptor *
-ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
+ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_transfer_direction dir)
 {
        struct spi_transfer *t = espi->current_msg->state;
        struct dma_async_tx_descriptor *txd;
        enum dma_slave_buswidth buswidth;
        struct dma_slave_config conf;
-       enum dma_transfer_direction slave_dirn;
        struct scatterlist *sg;
        struct sg_table *sgt;
        struct dma_chan *chan;
@@ -567,14 +566,13 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
        memset(&conf, 0, sizeof(conf));
        conf.direction = dir;
 
-       if (dir == DMA_FROM_DEVICE) {
+       if (dir == DMA_DEV_TO_MEM) {
                chan = espi->dma_rx;
                buf = t->rx_buf;
                sgt = &espi->rx_sgt;
 
                conf.src_addr = espi->sspdr_phys;
                conf.src_addr_width = buswidth;
-               slave_dirn = DMA_DEV_TO_MEM;
        } else {
                chan = espi->dma_tx;
                buf = t->tx_buf;
@@ -582,7 +580,6 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
 
                conf.dst_addr = espi->sspdr_phys;
                conf.dst_addr_width = buswidth;
-               slave_dirn = DMA_MEM_TO_DEV;
        }
 
        ret = dmaengine_slave_config(chan, &conf);
@@ -633,8 +630,7 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
        if (!nents)
                return ERR_PTR(-ENOMEM);
 
-       txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents,
-                                       slave_dirn, DMA_CTRL_ACK);
+       txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents, dir, DMA_CTRL_ACK);
        if (!txd) {
                dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir);
                return ERR_PTR(-ENOMEM);
@@ -651,12 +647,12 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
  * unmapped.
  */
 static void ep93xx_spi_dma_finish(struct ep93xx_spi *espi,
-                                 enum dma_data_direction dir)
+                                 enum dma_transfer_direction dir)
 {
        struct dma_chan *chan;
        struct sg_table *sgt;
 
-       if (dir == DMA_FROM_DEVICE) {
+       if (dir == DMA_DEV_TO_MEM) {
                chan = espi->dma_rx;
                sgt = &espi->rx_sgt;
        } else {
@@ -677,16 +673,16 @@ static void ep93xx_spi_dma_transfer(struct ep93xx_spi *espi)
        struct spi_message *msg = espi->current_msg;
        struct dma_async_tx_descriptor *rxd, *txd;
 
-       rxd = ep93xx_spi_dma_prepare(espi, DMA_FROM_DEVICE);
+       rxd = ep93xx_spi_dma_prepare(espi, DMA_DEV_TO_MEM);
        if (IS_ERR(rxd)) {
                dev_err(&espi->pdev->dev, "DMA RX failed: %ld\n", PTR_ERR(rxd));
                msg->status = PTR_ERR(rxd);
                return;
        }
 
-       txd = ep93xx_spi_dma_prepare(espi, DMA_TO_DEVICE);
+       txd = ep93xx_spi_dma_prepare(espi, DMA_MEM_TO_DEV);
        if (IS_ERR(txd)) {
-               ep93xx_spi_dma_finish(espi, DMA_FROM_DEVICE);
+               ep93xx_spi_dma_finish(espi, DMA_DEV_TO_MEM);
                dev_err(&espi->pdev->dev, "DMA TX failed: %ld\n", PTR_ERR(rxd));
                msg->status = PTR_ERR(txd);
                return;
@@ -705,8 +701,8 @@ static void ep93xx_spi_dma_transfer(struct ep93xx_spi *espi)
 
        wait_for_completion(&espi->wait);
 
-       ep93xx_spi_dma_finish(espi, DMA_TO_DEVICE);
-       ep93xx_spi_dma_finish(espi, DMA_FROM_DEVICE);
+       ep93xx_spi_dma_finish(espi, DMA_MEM_TO_DEV);
+       ep93xx_spi_dma_finish(espi, DMA_DEV_TO_MEM);
 }
 
 /**
index 09c925aaf3207dac61b61278cfdddf0f59b39f4c..400ae2121a2a48cd1c78469f0c727972b180a777 100644 (file)
@@ -1667,9 +1667,15 @@ static int calculate_effective_freq(struct pl022 *pl022, int freq, struct
        /* cpsdvsr = 254 & scr = 255 */
        min_tclk = spi_rate(rate, CPSDVR_MAX, SCR_MAX);
 
-       if (!((freq <= max_tclk) && (freq >= min_tclk))) {
+       if (freq > max_tclk)
+               dev_warn(&pl022->adev->dev,
+                       "Max speed that can be programmed is %d Hz, you requested %d\n",
+                       max_tclk, freq);
+
+       if (freq < min_tclk) {
                dev_err(&pl022->adev->dev,
-                       "controller data is incorrect: out of range frequency");
+                       "Requested frequency: %d Hz is less than minimum possible %d Hz\n",
+                       freq, min_tclk);
                return -EINVAL;
        }
 
@@ -1681,26 +1687,37 @@ static int calculate_effective_freq(struct pl022 *pl022, int freq, struct
                while (scr <= SCR_MAX) {
                        tmp = spi_rate(rate, cpsdvsr, scr);
 
-                       if (tmp > freq)
+                       if (tmp > freq) {
+                               /* we need lower freq */
                                scr++;
+                               continue;
+                       }
+
                        /*
-                        * If found exact value, update and break.
-                        * If found more closer value, update and continue.
+                        * If found exact value, mark found and break.
+                        * If found more closer value, update and break.
                         */
-                       else if ((tmp == freq) || (tmp > best_freq)) {
+                       if (tmp > best_freq) {
                                best_freq = tmp;
                                best_cpsdvsr = cpsdvsr;
                                best_scr = scr;
 
                                if (tmp == freq)
-                                       break;
+                                       found = 1;
                        }
-                       scr++;
+                       /*
+                        * increased scr will give lower rates, which are not
+                        * required
+                        */
+                       break;
                }
                cpsdvsr += 2;
                scr = SCR_MIN;
        }
 
+       WARN(!best_freq, "pl022: Matching cpsdvsr and scr not found for %d Hz rate \n",
+                       freq);
+
        clk_freq->cpsdvsr = (u8) (best_cpsdvsr & 0xFF);
        clk_freq->scr = (u8) (best_scr & 0xFF);
        dev_dbg(&pl022->adev->dev,
@@ -1823,9 +1840,12 @@ static int pl022_setup(struct spi_device *spi)
        } else
                chip->cs_control = chip_info->cs_control;
 
-       if (bits <= 3) {
-               /* PL022 doesn't support less than 4-bits */
+       /* Check bits per word with vendor specific range */
+       if ((bits <= 3) || (bits > pl022->vendor->max_bpw)) {
                status = -ENOTSUPP;
+               dev_err(&spi->dev, "illegal data size for this controller!\n");
+               dev_err(&spi->dev, "This controller can only handle 4 <= n <= %d bit words\n",
+                               pl022->vendor->max_bpw);
                goto err_config_params;
        } else if (bits <= 8) {
                dev_dbg(&spi->dev, "4 <= n <=8 bits per word\n");
@@ -1838,20 +1858,10 @@ static int pl022_setup(struct spi_device *spi)
                chip->read = READING_U16;
                chip->write = WRITING_U16;
        } else {
-               if (pl022->vendor->max_bpw >= 32) {
-                       dev_dbg(&spi->dev, "17 <= n <= 32 bits per word\n");
-                       chip->n_bytes = 4;
-                       chip->read = READING_U32;
-                       chip->write = WRITING_U32;
-               } else {
-                       dev_err(&spi->dev,
-                               "illegal data size for this controller!\n");
-                       dev_err(&spi->dev,
-                               "a standard pl022 can only handle "
-                               "1 <= n <= 16 bit words\n");
-                       status = -ENOTSUPP;
-                       goto err_config_params;
-               }
+               dev_dbg(&spi->dev, "17 <= n <= 32 bits per word\n");
+               chip->n_bytes = 4;
+               chip->read = READING_U32;
+               chip->write = WRITING_U32;
        }
 
        /* Now Initialize all register settings required for this chip */
index 400df8cbee538b55a50e7baa92ceb18cae9e28c5..d91751f9ffe860372d070be165b49d128d9dce45 100644 (file)
@@ -36,6 +36,7 @@
 #include <linux/prefetch.h>
 #include <linux/ratelimit.h>
 #include <linux/smp.h>
+#include <linux/interrupt.h>
 #include <net/dst.h>
 #ifdef CONFIG_XFRM
 #include <linux/xfrm.h>
index 56d74dc2fbd5b5f3b7122371554d51647b5effb9..91a97b3e45c67b718fdf15a90b6348d58c43f4a0 100644 (file)
@@ -32,6 +32,7 @@
 #include <linux/ip.h>
 #include <linux/ratelimit.h>
 #include <linux/string.h>
+#include <linux/interrupt.h>
 #include <net/dst.h>
 #ifdef CONFIG_XFRM
 #include <linux/xfrm.h>
index 9112cd8821540f692acfd5559183ad125459f73c..60cba8194de341c4aef6d4e565e7456ae7cc381e 100644 (file)
@@ -31,6 +31,7 @@
 #include <linux/etherdevice.h>
 #include <linux/phy.h>
 #include <linux/slab.h>
+#include <linux/interrupt.h>
 
 #include <net/dst.h>
 
index 2b45d3d1800c13bc1a6341a9b5c5d2c8f4048086..04cd57f2a6da50eea26b54e163eef6f39af91c1a 100644 (file)
@@ -383,8 +383,6 @@ static void oz_tx_frame_free(struct oz_pd *pd, struct oz_tx_frame *f)
                pd->tx_pool = &f->link;
                pd->tx_pool_count++;
                f = 0;
-       } else {
-               kfree(f);
        }
        spin_unlock_bh(&pd->tx_frame_lock);
        if (f)
index 7862513cc295449cf5479d5ff148b366effb9d8f..9cf29fcea11e58700c8010e7249fec7516042190 100644 (file)
 #define OMAP343X_CONTROL_IVA2_BOOTADDR (OMAP2_CONTROL_GENERAL + 0x0190)
 #define OMAP343X_CONTROL_IVA2_BOOTMOD (OMAP2_CONTROL_GENERAL + 0x0194)
 
-#define OMAP343X_CTRL_REGADDR(reg) \
-       OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE + (reg))
-
-
 /* Forward Declarations: */
 static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt);
 static int bridge_brd_read(struct bridge_dev_context *dev_ctxt,
@@ -418,19 +414,27 @@ static int bridge_brd_start(struct bridge_dev_context *dev_ctxt,
 
                /* Assert RST1 i.e only the RST only for DSP megacell */
                if (!status) {
+                       /*
+                        * XXX: ioremapping  MUST be removed once ctrl
+                        * function is made available.
+                        */
+                       void __iomem *ctrl = ioremap(OMAP343X_CTRL_BASE, SZ_4K);
+                       if (!ctrl)
+                               return -ENOMEM;
+
                        (*pdata->dsp_prm_rmw_bits)(OMAP3430_RST1_IVA2_MASK,
                                        OMAP3430_RST1_IVA2_MASK, OMAP3430_IVA2_MOD,
                                        OMAP2_RM_RSTCTRL);
                        /* Mask address with 1K for compatibility */
                        __raw_writel(dsp_addr & OMAP3_IVA2_BOOTADDR_MASK,
-                                       OMAP343X_CTRL_REGADDR(
-                                       OMAP343X_CONTROL_IVA2_BOOTADDR));
+                                       ctrl + OMAP343X_CONTROL_IVA2_BOOTADDR);
                        /*
                         * Set bootmode to self loop if dsp_debug flag is true
                         */
                        __raw_writel((dsp_debug) ? OMAP3_IVA2_BOOTMOD_IDLE : 0,
-                                       OMAP343X_CTRL_REGADDR(
-                                       OMAP343X_CONTROL_IVA2_BOOTMOD));
+                                       ctrl + OMAP343X_CONTROL_IVA2_BOOTMOD);
+
+                       iounmap(ctrl);
                }
        }
        if (!status) {
index 70055c8111ed2d208162dbcd7f93f3b6c52c70c7..870f934f4f3bee4002e0400ba77afc96e155cc23 100644 (file)
@@ -53,7 +53,10 @@ int dsp_wdt_init(void)
        int ret = 0;
 
        dsp_wdt.sm_wdt = NULL;
-       dsp_wdt.reg_base = OMAP2_L4_IO_ADDRESS(OMAP34XX_WDT3_BASE);
+       dsp_wdt.reg_base = ioremap(OMAP34XX_WDT3_BASE, SZ_4K);
+       if (!dsp_wdt.reg_base)
+               return -ENOMEM;
+
        tasklet_init(&dsp_wdt.wdt3_tasklet, dsp_wdt_dpc, 0);
 
        dsp_wdt.fclk = clk_get(NULL, "wdt3_fck");
@@ -99,6 +102,9 @@ void dsp_wdt_exit(void)
        dsp_wdt.fclk = NULL;
        dsp_wdt.iclk = NULL;
        dsp_wdt.sm_wdt = NULL;
+
+       if (dsp_wdt.reg_base)
+               iounmap(dsp_wdt.reg_base);
        dsp_wdt.reg_base = NULL;
 }
 
index 3ed2c8f656a52d8ce46eae00e6ff908314a507fa..7048e01f081714bf506c1c4f83f6e6740faacb7b 100644 (file)
@@ -2,7 +2,7 @@ config ZCACHE
        bool "Dynamic compression of swap pages and clean pagecache pages"
        # X86 dependency is because zsmalloc uses non-portable pte/tlb
        # functions
-       depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86
+       depends on (CLEANCACHE || FRONTSWAP) && CRYPTO=y && X86
        select ZSMALLOC
        select CRYPTO_LZO
        default n
index 08ebe901bb59875a95b87148a04d15404523c019..654755a990dfc30cac559567e260b17978bbc54b 100644 (file)
@@ -469,7 +469,7 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id)
        tty = NULL;
        if (r3 & (CHAEXT | CHATxIP | CHARxIP)) {
                if (!ZS_IS_OPEN(uap_a)) {
-                       pmz_debug("ChanA interrupt while open !\n");
+                       pmz_debug("ChanA interrupt while not open !\n");
                        goto skip_a;
                }
                write_zsreg(uap_a, R0, RES_H_IUS);
@@ -493,8 +493,8 @@ static irqreturn_t pmz_interrupt(int irq, void *dev_id)
        spin_lock(&uap_b->port.lock);
        tty = NULL;
        if (r3 & (CHBEXT | CHBTxIP | CHBRxIP)) {
-               if (!ZS_IS_OPEN(uap_a)) {
-                       pmz_debug("ChanB interrupt while open !\n");
+               if (!ZS_IS_OPEN(uap_b)) {
+                       pmz_debug("ChanB interrupt while not open !\n");
                        goto skip_b;
                }
                write_zsreg(uap_b, R0, RES_H_IUS);
index c6f6560d436c804bba1f539a2b6cd1c12be8633d..0bb2b3248dad99b0e114b83dc1028edd5fadb4a1 100644 (file)
@@ -157,8 +157,9 @@ static void wdm_out_callback(struct urb *urb)
        spin_lock(&desc->iuspin);
        desc->werr = urb->status;
        spin_unlock(&desc->iuspin);
-       clear_bit(WDM_IN_USE, &desc->flags);
        kfree(desc->outbuf);
+       desc->outbuf = NULL;
+       clear_bit(WDM_IN_USE, &desc->flags);
        wake_up(&desc->wait);
 }
 
@@ -338,7 +339,7 @@ static ssize_t wdm_write
        if (we < 0)
                return -EIO;
 
-       desc->outbuf = buf = kmalloc(count, GFP_KERNEL);
+       buf = kmalloc(count, GFP_KERNEL);
        if (!buf) {
                rv = -ENOMEM;
                goto outnl;
@@ -406,10 +407,12 @@ static ssize_t wdm_write
        req->wIndex = desc->inum;
        req->wLength = cpu_to_le16(count);
        set_bit(WDM_IN_USE, &desc->flags);
+       desc->outbuf = buf;
 
        rv = usb_submit_urb(desc->command, GFP_KERNEL);
        if (rv < 0) {
                kfree(buf);
+               desc->outbuf = NULL;
                clear_bit(WDM_IN_USE, &desc->flags);
                dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);
        } else {
index 622b4a48e732e7a83b6c760d6563994394b0caa9..57ed9e400c06d938a91fd9713b95a9e97030b3a3 100644 (file)
@@ -493,6 +493,15 @@ static int hcd_pci_suspend_noirq(struct device *dev)
 
        pci_save_state(pci_dev);
 
+       /*
+        * Some systems crash if an EHCI controller is in D3 during
+        * a sleep transition.  We have to leave such controllers in D0.
+        */
+       if (hcd->broken_pci_sleep) {
+               dev_dbg(dev, "Staying in PCI D0\n");
+               return retval;
+       }
+
        /* If the root hub is dead rather than suspended, disallow remote
         * wakeup.  usb_hc_died() should ensure that both hosts are marked as
         * dying, so we only need to check the primary roothub.
index a6dfd21641661c08df7a524850ee6ccf670a4f3e..170cbe89d9f8ad47b9bb6ee54596521012c8de7f 100644 (file)
@@ -927,7 +927,6 @@ static int dummy_udc_stop(struct usb_gadget *g,
 
        dum->driver = NULL;
 
-       dummy_pullup(&dum->gadget, 0);
        return 0;
 }
 
index a371e966425fce2ccf391e13d2d523f02bee52c3..cb8c162cae5af059c5c8cce2c07679b9b3611177 100644 (file)
@@ -2189,7 +2189,7 @@ unknown_cmnd:
                common->data_size_from_cmnd = 0;
                sprintf(unknown, "Unknown x%02x", common->cmnd[0]);
                reply = check_command(common, common->cmnd_size,
-                                     DATA_DIR_UNKNOWN, 0xff, 0, unknown);
+                                     DATA_DIR_UNKNOWN, ~0, 0, unknown);
                if (reply == 0) {
                        common->curlun->sense_data = SS_INVALID_COMMAND;
                        reply = -EINVAL;
index 4fac569277411b45815aa1ff6d3ffe3d398d3623..a896d73f7a9336f5a34015c44ea5a6b04ce34f10 100644 (file)
@@ -2579,7 +2579,7 @@ static int do_scsi_command(struct fsg_dev *fsg)
                fsg->data_size_from_cmnd = 0;
                sprintf(unknown, "Unknown x%02x", fsg->cmnd[0]);
                if ((reply = check_command(fsg, fsg->cmnd_size,
-                               DATA_DIR_UNKNOWN, 0xff, 0, unknown)) == 0) {
+                               DATA_DIR_UNKNOWN, ~0, 0, unknown)) == 0) {
                        fsg->curlun->sense_data = SS_INVALID_COMMAND;
                        reply = -EINVAL;
                }
index 2fa9865babedb0d76e28d6cfa2ac2ad6cf859628..e5e44f8cde9a3c99052e19e5e8c641ab3123a534 100644 (file)
@@ -263,8 +263,8 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
 
        if (udc_is_newstyle(udc)) {
                udc->driver->disconnect(udc->gadget);
-               udc->driver->unbind(udc->gadget);
                usb_gadget_disconnect(udc->gadget);
+               udc->driver->unbind(udc->gadget);
                usb_gadget_udc_stop(udc->gadget, udc->driver);
        } else {
                usb_gadget_stop(udc->gadget, udc->driver);
@@ -415,9 +415,9 @@ static ssize_t usb_udc_softconn_store(struct device *dev,
                        usb_gadget_udc_start(udc->gadget, udc->driver);
                usb_gadget_connect(udc->gadget);
        } else if (sysfs_streq(buf, "disconnect")) {
+               usb_gadget_disconnect(udc->gadget);
                if (udc_is_newstyle(udc))
                        usb_gadget_udc_stop(udc->gadget, udc->driver);
-               usb_gadget_disconnect(udc->gadget);
        } else {
                dev_err(dev, "unsupported command '%s'\n", buf);
                return -EINVAL;
index bc78c606c12bbe5726f077832c3dff1897918134..ca4e03a1c73a6d9ec030d133a15558d50362de4a 100644 (file)
@@ -28,7 +28,7 @@
 
 struct uvc_request_data
 {
-       unsigned int length;
+       __s32 length;
        __u8 data[60];
 };
 
index f6e083b5019137db248fc67731f24eb6e683b1ac..54d7ca559cb215f5fc963d10cdd0b99d6367c777 100644 (file)
@@ -39,7 +39,7 @@ uvc_send_response(struct uvc_device *uvc, struct uvc_request_data *data)
        if (data->length < 0)
                return usb_ep_set_halt(cdev->gadget->ep0);
 
-       req->length = min(uvc->event_length, data->length);
+       req->length = min_t(unsigned int, uvc->event_length, data->length);
        req->zero = data->length < uvc->event_length;
        req->dma = DMA_ADDR_INVALID;
 
index 01bb7241d6efd53f3769d47e86d59a28c5cf9ce2..fe8dc069164ead9f271b3e487d2704e0e74aeaed 100644 (file)
@@ -144,6 +144,14 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
                        hcd->has_tt = 1;
                        tdi_reset(ehci);
                }
+               if (pdev->subsystem_vendor == PCI_VENDOR_ID_ASUSTEK) {
+                       /* EHCI #1 or #2 on 6 Series/C200 Series chipset */
+                       if (pdev->device == 0x1c26 || pdev->device == 0x1c2d) {
+                               ehci_info(ehci, "broken D3 during system sleep on ASUS\n");
+                               hcd->broken_pci_sleep = 1;
+                               device_set_wakeup_capable(&pdev->dev, false);
+                       }
+               }
                break;
        case PCI_VENDOR_ID_TDI:
                if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
index 97ab975fa4424c3bcb4b6cce5368fc144aaba845..768b4b55c816a6960733f73d7e0d7b86be54697f 100644 (file)
@@ -386,7 +386,7 @@ static int davinci_musb_init(struct musb *musb)
        usb_nop_xceiv_register();
        musb->xceiv = usb_get_transceiver();
        if (!musb->xceiv)
-               return -ENODEV;
+               goto unregister;
 
        musb->mregs += DAVINCI_BASE_OFFSET;
 
@@ -444,6 +444,7 @@ static int davinci_musb_init(struct musb *musb)
 
 fail:
        usb_put_transceiver(musb->xceiv);
+unregister:
        usb_nop_xceiv_unregister();
        return -ENODEV;
 }
index 93de517a32a00009aeffbdf6691906a979ae506f..f4a40f001c8803eecfedab2af6dfcdd50d95ed22 100644 (file)
@@ -449,7 +449,7 @@ struct musb {
         * We added this flag to forcefully disable double
         * buffering until we get it working.
         */
-       unsigned                double_buffer_not_ok:1 __deprecated;
+       unsigned                double_buffer_not_ok:1;
 
        struct musb_hdrc_config *config;
 
index 3ece43a2e4c14b2b4a07fee9dcfaab4be03cfa3c..a0a2178974fe149f99da263627d8ada256faace5 100644 (file)
@@ -96,7 +96,7 @@ static void gpio_vbus_work(struct work_struct *work)
        struct gpio_vbus_data *gpio_vbus =
                container_of(work, struct gpio_vbus_data, work);
        struct gpio_vbus_mach_info *pdata = gpio_vbus->dev->platform_data;
-       int gpio;
+       int gpio, status;
 
        if (!gpio_vbus->phy.otg->gadget)
                return;
@@ -108,7 +108,9 @@ static void gpio_vbus_work(struct work_struct *work)
         */
        gpio = pdata->gpio_pullup;
        if (is_vbus_powered(pdata)) {
+               status = USB_EVENT_VBUS;
                gpio_vbus->phy.state = OTG_STATE_B_PERIPHERAL;
+               gpio_vbus->phy.last_event = status;
                usb_gadget_vbus_connect(gpio_vbus->phy.otg->gadget);
 
                /* drawing a "unit load" is *always* OK, except for OTG */
@@ -117,6 +119,9 @@ static void gpio_vbus_work(struct work_struct *work)
                /* optionally enable D+ pullup */
                if (gpio_is_valid(gpio))
                        gpio_set_value(gpio, !pdata->gpio_pullup_inverted);
+
+               atomic_notifier_call_chain(&gpio_vbus->phy.notifier,
+                                          status, gpio_vbus->phy.otg->gadget);
        } else {
                /* optionally disable D+ pullup */
                if (gpio_is_valid(gpio))
@@ -125,7 +130,12 @@ static void gpio_vbus_work(struct work_struct *work)
                set_vbus_draw(gpio_vbus, 0);
 
                usb_gadget_vbus_disconnect(gpio_vbus->phy.otg->gadget);
+               status = USB_EVENT_NONE;
                gpio_vbus->phy.state = OTG_STATE_B_IDLE;
+               gpio_vbus->phy.last_event = status;
+
+               atomic_notifier_call_chain(&gpio_vbus->phy.notifier,
+                                          status, gpio_vbus->phy.otg->gadget);
        }
 }
 
@@ -287,6 +297,9 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
                        irq, err);
                goto err_irq;
        }
+
+       ATOMIC_INIT_NOTIFIER_HEAD(&gpio_vbus->phy.notifier);
+
        INIT_WORK(&gpio_vbus->work, gpio_vbus_work);
 
        gpio_vbus->vbus_draw = regulator_get(&pdev->dev, "vbus_draw");
index 86922ac84412b3f6a8be0ef41b52e209c684d87c..353c02fe8a952816af0f5c0d668d80e81f31d204 100644 (file)
@@ -13,6 +13,7 @@
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/fb.h>
+#include <linux/gpio.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/types.h>
index cbc7ceef2786d418e81a1ed055c8676ad627253f..9f13b897fd6443bfccff87445bd62bc7145da30c 100644 (file)
@@ -435,16 +435,16 @@ static void hpwdt_start(void)
 {
        reload = SECS_TO_TICKS(soft_margin);
        iowrite16(reload, hpwdt_timer_reg);
-       iowrite16(0x85, hpwdt_timer_con);
+       iowrite8(0x85, hpwdt_timer_con);
 }
 
 static void hpwdt_stop(void)
 {
        unsigned long data;
 
-       data = ioread16(hpwdt_timer_con);
+       data = ioread8(hpwdt_timer_con);
        data &= 0xFE;
-       iowrite16(data, hpwdt_timer_con);
+       iowrite8(data, hpwdt_timer_con);
 }
 
 static void hpwdt_ping(void)
index 4b33acd8ed4ef262bfa43940eab2be7a3deb66f5..0a8a17cd80bea172d767f02609b0164b45fe1717 100644 (file)
@@ -274,7 +274,7 @@ static unsigned int cpu_from_evtchn(unsigned int evtchn)
 
 static bool pirq_check_eoi_map(unsigned irq)
 {
-       return test_bit(irq, pirq_eoi_map);
+       return test_bit(pirq_from_irq(irq), pirq_eoi_map);
 }
 
 static bool pirq_needs_eoi_flag(unsigned irq)
index 174b5653cd8afd7b1ca9190d73e87e9d72f2694b..0b48579a9cd6066c170741913875ebbe716dce0c 100644 (file)
@@ -128,7 +128,10 @@ static int push_cxx_to_hypervisor(struct acpi_processor *_pr)
                        pr_debug("     C%d: %s %d uS\n",
                                 cx->type, cx->desc, (u32)cx->latency);
                }
-       } else
+       } else if (ret != -EINVAL)
+               /* EINVAL means the ACPI ID is incorrect - meaning the ACPI
+                * table is referencing a non-existing CPU - which can happen
+                * with broken ACPI tables. */
                pr_err(DRV_NAME "(CX): Hypervisor error (%d) for ACPI CPU%u\n",
                       ret, _pr->acpi_id);
 
index eb1cc92cd67d26d2966fa1191bb373f646144583..908e18455413fc2e49a4d845c8020007dce95252 100644 (file)
@@ -110,7 +110,6 @@ struct autofs_sb_info {
        int sub_version;
        int min_proto;
        int max_proto;
-       int compat_daemon;
        unsigned long exp_timeout;
        unsigned int type;
        int reghost_enabled;
@@ -270,6 +269,17 @@ int autofs4_fill_super(struct super_block *, void *, int);
 struct autofs_info *autofs4_new_ino(struct autofs_sb_info *);
 void autofs4_clean_ino(struct autofs_info *);
 
+static inline int autofs_prepare_pipe(struct file *pipe)
+{
+       if (!pipe->f_op || !pipe->f_op->write)
+               return -EINVAL;
+       if (!S_ISFIFO(pipe->f_dentry->d_inode->i_mode))
+               return -EINVAL;
+       /* We want a packet pipe */
+       pipe->f_flags |= O_DIRECT;
+       return 0;
+}
+
 /* Queue management functions */
 
 int autofs4_wait(struct autofs_sb_info *,struct dentry *, enum autofs_notify);
index 9dacb858670107bab207d4378e77d79dd3f25605..aa9103f8f01bf8d3bad8d0dcbcc8036895226e3f 100644 (file)
@@ -376,7 +376,7 @@ static int autofs_dev_ioctl_setpipefd(struct file *fp,
                        err = -EBADF;
                        goto out;
                }
-               if (!pipe->f_op || !pipe->f_op->write) {
+               if (autofs_prepare_pipe(pipe) < 0) {
                        err = -EPIPE;
                        fput(pipe);
                        goto out;
@@ -385,7 +385,6 @@ static int autofs_dev_ioctl_setpipefd(struct file *fp,
                sbi->pipefd = pipefd;
                sbi->pipe = pipe;
                sbi->catatonic = 0;
-               sbi->compat_daemon = is_compat_task();
        }
 out:
        mutex_unlock(&sbi->wq_mutex);
index d8dc002e9cc39d4b15511a6cc6df4d6b8b39897f..6e488ebe7784458623139c91ebd42fbba0752074 100644 (file)
@@ -19,7 +19,6 @@
 #include <linux/parser.h>
 #include <linux/bitops.h>
 #include <linux/magic.h>
-#include <linux/compat.h>
 #include "autofs_i.h"
 #include <linux/module.h>
 
@@ -225,7 +224,6 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
        set_autofs_type_indirect(&sbi->type);
        sbi->min_proto = 0;
        sbi->max_proto = 0;
-       sbi->compat_daemon = is_compat_task();
        mutex_init(&sbi->wq_mutex);
        mutex_init(&sbi->pipe_mutex);
        spin_lock_init(&sbi->fs_lock);
@@ -292,7 +290,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
                printk("autofs: could not open pipe file descriptor\n");
                goto fail_dput;
        }
-       if (!pipe->f_op || !pipe->f_op->write)
+       if (autofs_prepare_pipe(pipe) < 0)
                goto fail_fput;
        sbi->pipe = pipe;
        sbi->pipefd = pipefd;
index 9c098db433441a36613dd126b8487ed54036f49e..da8876d38a7b7e3a50101f02817cbbbc460cec20 100644 (file)
@@ -91,24 +91,7 @@ static int autofs4_write(struct autofs_sb_info *sbi,
 
        return (bytes > 0);
 }
-
-/*
- * The autofs_v5 packet was misdesigned.
- *
- * The packets are identical on x86-32 and x86-64, but have different
- * alignment. Which means that 'sizeof()' will give different results.
- * Fix it up for the case of running 32-bit user mode on a 64-bit kernel.
- */
-static noinline size_t autofs_v5_packet_size(struct autofs_sb_info *sbi)
-{
-       size_t pktsz = sizeof(struct autofs_v5_packet);
-#if defined(CONFIG_X86_64) && defined(CONFIG_COMPAT)
-       if (sbi->compat_daemon > 0)
-               pktsz -= 4;
-#endif
-       return pktsz;
-}
-
+       
 static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
                                 struct autofs_wait_queue *wq,
                                 int type)
@@ -172,7 +155,8 @@ static void autofs4_notify_daemon(struct autofs_sb_info *sbi,
        {
                struct autofs_v5_packet *packet = &pkt.v5_pkt.v5_packet;
 
-               pktsz = autofs_v5_packet_size(sbi);
+               pktsz = sizeof(*packet);
+
                packet->wait_queue_token = wq->wait_queue_token;
                packet->len = wq->name.len;
                memcpy(packet->name, wq->name.name, wq->name.len);
index f4e90748940abf6c1f36f3186177e4640bd24546..bcec06750232e6cc3de09c62648201547709222b 100644 (file)
@@ -22,6 +22,7 @@
 #include "ulist.h"
 #include "transaction.h"
 #include "delayed-ref.h"
+#include "locking.h"
 
 /*
  * this structure records all encountered refs on the way up to the root
@@ -893,18 +894,22 @@ static char *iref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path,
        s64 bytes_left = size - 1;
        struct extent_buffer *eb = eb_in;
        struct btrfs_key found_key;
+       int leave_spinning = path->leave_spinning;
 
        if (bytes_left >= 0)
                dest[bytes_left] = '\0';
 
+       path->leave_spinning = 1;
        while (1) {
                len = btrfs_inode_ref_name_len(eb, iref);
                bytes_left -= len;
                if (bytes_left >= 0)
                        read_extent_buffer(eb, dest + bytes_left,
                                                (unsigned long)(iref + 1), len);
-               if (eb != eb_in)
+               if (eb != eb_in) {
+                       btrfs_tree_read_unlock_blocking(eb);
                        free_extent_buffer(eb);
+               }
                ret = inode_ref_info(parent, 0, fs_root, path, &found_key);
                if (ret > 0)
                        ret = -ENOENT;
@@ -919,8 +924,11 @@ static char *iref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path,
                slot = path->slots[0];
                eb = path->nodes[0];
                /* make sure we can use eb after releasing the path */
-               if (eb != eb_in)
+               if (eb != eb_in) {
                        atomic_inc(&eb->refs);
+                       btrfs_tree_read_lock(eb);
+                       btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
+               }
                btrfs_release_path(path);
 
                iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);
@@ -931,6 +939,7 @@ static char *iref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path,
        }
 
        btrfs_release_path(path);
+       path->leave_spinning = leave_spinning;
 
        if (ret)
                return ERR_PTR(ret);
@@ -1247,7 +1256,7 @@ static int iterate_irefs(u64 inum, struct btrfs_root *fs_root,
                                struct btrfs_path *path,
                                iterate_irefs_t *iterate, void *ctx)
 {
-       int ret;
+       int ret = 0;
        int slot;
        u32 cur;
        u32 len;
@@ -1259,7 +1268,8 @@ static int iterate_irefs(u64 inum, struct btrfs_root *fs_root,
        struct btrfs_inode_ref *iref;
        struct btrfs_key found_key;
 
-       while (1) {
+       while (!ret) {
+               path->leave_spinning = 1;
                ret = inode_ref_info(inum, parent ? parent+1 : 0, fs_root, path,
                                        &found_key);
                if (ret < 0)
@@ -1275,6 +1285,8 @@ static int iterate_irefs(u64 inum, struct btrfs_root *fs_root,
                eb = path->nodes[0];
                /* make sure we can use eb after releasing the path */
                atomic_inc(&eb->refs);
+               btrfs_tree_read_lock(eb);
+               btrfs_set_lock_blocking_rw(eb, BTRFS_READ_LOCK);
                btrfs_release_path(path);
 
                item = btrfs_item_nr(eb, slot);
@@ -1288,13 +1300,12 @@ static int iterate_irefs(u64 inum, struct btrfs_root *fs_root,
                                 (unsigned long long)found_key.objectid,
                                 (unsigned long long)fs_root->objectid);
                        ret = iterate(parent, iref, eb, ctx);
-                       if (ret) {
-                               free_extent_buffer(eb);
+                       if (ret)
                                break;
-                       }
                        len = sizeof(*iref) + name_len;
                        iref = (struct btrfs_inode_ref *)((char *)iref + len);
                }
+               btrfs_tree_read_unlock_blocking(eb);
                free_extent_buffer(eb);
        }
 
@@ -1414,6 +1425,8 @@ struct inode_fs_paths *init_ipath(s32 total_bytes, struct btrfs_root *fs_root,
 
 void free_ipath(struct inode_fs_paths *ipath)
 {
+       if (!ipath)
+               return;
        kfree(ipath->fspath);
        kfree(ipath);
 }
index 3f65a812e282d00744e9de5b89acc09ead08acb8..8fd72331d6008c100e48db1c808566eb382187b2 100644 (file)
@@ -1078,7 +1078,7 @@ struct btrfs_fs_info {
         * is required instead of the faster short fsync log commits
         */
        u64 last_trans_log_full_commit;
-       unsigned long mount_opt:21;
+       unsigned long mount_opt;
        unsigned long compress_type:4;
        u64 max_inline;
        u64 alloc_start;
index 20196f41120698f5d7efd7c6be5c56415bd44651..d0c969beaad4d30a52e13ebb74d3f4fcefa9fece 100644 (file)
@@ -383,17 +383,16 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root,
                if (test_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags))
                        break;
 
-               if (!failed_mirror) {
-                       failed = 1;
-                       printk(KERN_ERR "failed mirror was %d\n", eb->failed_mirror);
-                       failed_mirror = eb->failed_mirror;
-               }
-
                num_copies = btrfs_num_copies(&root->fs_info->mapping_tree,
                                              eb->start, eb->len);
                if (num_copies == 1)
                        break;
 
+               if (!failed_mirror) {
+                       failed = 1;
+                       failed_mirror = eb->read_mirror;
+               }
+
                mirror_num++;
                if (mirror_num == failed_mirror)
                        mirror_num++;
@@ -564,7 +563,7 @@ struct extent_buffer *find_eb_for_page(struct extent_io_tree *tree,
 }
 
 static int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end,
-                              struct extent_state *state)
+                              struct extent_state *state, int mirror)
 {
        struct extent_io_tree *tree;
        u64 found_start;
@@ -589,6 +588,7 @@ static int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end,
        if (!reads_done)
                goto err;
 
+       eb->read_mirror = mirror;
        if (test_bit(EXTENT_BUFFER_IOERR, &eb->bflags)) {
                ret = -EIO;
                goto err;
@@ -652,7 +652,7 @@ static int btree_io_failed_hook(struct page *page, int failed_mirror)
 
        eb = (struct extent_buffer *)page->private;
        set_bit(EXTENT_BUFFER_IOERR, &eb->bflags);
-       eb->failed_mirror = failed_mirror;
+       eb->read_mirror = failed_mirror;
        if (test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
                btree_readahead_hook(root, eb, eb->start, -EIO);
        return -EIO;    /* we fixed nothing */
@@ -2254,9 +2254,9 @@ int open_ctree(struct super_block *sb,
                goto fail_sb_buffer;
        }
 
-       if (sectorsize < PAGE_SIZE) {
-               printk(KERN_WARNING "btrfs: Incompatible sector size "
-                      "found on %s\n", sb->s_id);
+       if (sectorsize != PAGE_SIZE) {
+               printk(KERN_WARNING "btrfs: Incompatible sector size(%lu) "
+                      "found on %s\n", (unsigned long)sectorsize, sb->s_id);
                goto fail_sb_buffer;
        }
 
index 2b35f8d14bb9a14c7f1539268dce04973413512f..6fc2e6f5aab859f2c94ca7135c57cee2de8218ba 100644 (file)
@@ -2301,6 +2301,7 @@ static noinline int run_clustered_refs(struct btrfs_trans_handle *trans,
 
                                if (ret) {
                                        printk(KERN_DEBUG "btrfs: run_delayed_extent_op returned %d\n", ret);
+                                       spin_lock(&delayed_refs->lock);
                                        return ret;
                                }
 
@@ -2331,6 +2332,7 @@ static noinline int run_clustered_refs(struct btrfs_trans_handle *trans,
 
                if (ret) {
                        printk(KERN_DEBUG "btrfs: run_one_delayed_ref returned %d\n", ret);
+                       spin_lock(&delayed_refs->lock);
                        return ret;
                }
 
@@ -3769,13 +3771,10 @@ again:
                 */
                if (current->journal_info)
                        return -EAGAIN;
-               ret = wait_event_interruptible(space_info->wait,
-                                              !space_info->flush);
-               /* Must have been interrupted, return */
-               if (ret) {
-                       printk(KERN_DEBUG "btrfs: %s returning -EINTR\n", __func__);
+               ret = wait_event_killable(space_info->wait, !space_info->flush);
+               /* Must have been killed, return */
+               if (ret)
                        return -EINTR;
-               }
 
                spin_lock(&space_info->lock);
        }
@@ -4215,8 +4214,8 @@ static void update_global_block_rsv(struct btrfs_fs_info *fs_info)
 
        num_bytes = calc_global_metadata_size(fs_info);
 
-       spin_lock(&block_rsv->lock);
        spin_lock(&sinfo->lock);
+       spin_lock(&block_rsv->lock);
 
        block_rsv->size = num_bytes;
 
@@ -4242,8 +4241,8 @@ static void update_global_block_rsv(struct btrfs_fs_info *fs_info)
                block_rsv->full = 1;
        }
 
-       spin_unlock(&sinfo->lock);
        spin_unlock(&block_rsv->lock);
+       spin_unlock(&sinfo->lock);
 }
 
 static void init_global_block_rsv(struct btrfs_fs_info *fs_info)
index cd4b5e40022128894dacfa5d51e60b400a0793bc..198c2ba2fa405ee13ee9ce65ba45a6c4be3773ec 100644 (file)
@@ -402,20 +402,28 @@ static int split_state(struct extent_io_tree *tree, struct extent_state *orig,
        return 0;
 }
 
+static struct extent_state *next_state(struct extent_state *state)
+{
+       struct rb_node *next = rb_next(&state->rb_node);
+       if (next)
+               return rb_entry(next, struct extent_state, rb_node);
+       else
+               return NULL;
+}
+
 /*
  * utility function to clear some bits in an extent state struct.
- * it will optionally wake up any one waiting on this state (wake == 1), or
- * forcibly remove the state from the tree (delete == 1).
+ * it will optionally wake up any one waiting on this state (wake == 1)
  *
  * If no bits are set on the state struct after clearing things, the
  * struct is freed and removed from the tree
  */
-static int clear_state_bit(struct extent_io_tree *tree,
-                           struct extent_state *state,
-                           int *bits, int wake)
+static struct extent_state *clear_state_bit(struct extent_io_tree *tree,
+                                           struct extent_state *state,
+                                           int *bits, int wake)
 {
+       struct extent_state *next;
        int bits_to_clear = *bits & ~EXTENT_CTLBITS;
-       int ret = state->state & bits_to_clear;
 
        if ((bits_to_clear & EXTENT_DIRTY) && (state->state & EXTENT_DIRTY)) {
                u64 range = state->end - state->start + 1;
@@ -427,6 +435,7 @@ static int clear_state_bit(struct extent_io_tree *tree,
        if (wake)
                wake_up(&state->wq);
        if (state->state == 0) {
+               next = next_state(state);
                if (state->tree) {
                        rb_erase(&state->rb_node, &tree->state);
                        state->tree = NULL;
@@ -436,8 +445,9 @@ static int clear_state_bit(struct extent_io_tree *tree,
                }
        } else {
                merge_state(tree, state);
+               next = next_state(state);
        }
-       return ret;
+       return next;
 }
 
 static struct extent_state *
@@ -476,7 +486,6 @@ int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
        struct extent_state *state;
        struct extent_state *cached;
        struct extent_state *prealloc = NULL;
-       struct rb_node *next_node;
        struct rb_node *node;
        u64 last_end;
        int err;
@@ -528,14 +537,11 @@ hit_next:
        WARN_ON(state->end < start);
        last_end = state->end;
 
-       if (state->end < end && !need_resched())
-               next_node = rb_next(&state->rb_node);
-       else
-               next_node = NULL;
-
        /* the state doesn't have the wanted bits, go ahead */
-       if (!(state->state & bits))
+       if (!(state->state & bits)) {
+               state = next_state(state);
                goto next;
+       }
 
        /*
         *     | ---- desired range ---- |
@@ -593,16 +599,13 @@ hit_next:
                goto out;
        }
 
-       clear_state_bit(tree, state, &bits, wake);
+       state = clear_state_bit(tree, state, &bits, wake);
 next:
        if (last_end == (u64)-1)
                goto out;
        start = last_end + 1;
-       if (start <= end && next_node) {
-               state = rb_entry(next_node, struct extent_state,
-                                rb_node);
+       if (start <= end && state && !need_resched())
                goto hit_next;
-       }
        goto search_again;
 
 out:
@@ -2301,7 +2304,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
        u64 start;
        u64 end;
        int whole_page;
-       int failed_mirror;
+       int mirror;
        int ret;
 
        if (err)
@@ -2340,20 +2343,18 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
                }
                spin_unlock(&tree->lock);
 
+               mirror = (int)(unsigned long)bio->bi_bdev;
                if (uptodate && tree->ops && tree->ops->readpage_end_io_hook) {
                        ret = tree->ops->readpage_end_io_hook(page, start, end,
-                                                             state);
+                                                             state, mirror);
                        if (ret)
                                uptodate = 0;
                        else
                                clean_io_failure(start, page);
                }
 
-               if (!uptodate)
-                       failed_mirror = (int)(unsigned long)bio->bi_bdev;
-
                if (!uptodate && tree->ops && tree->ops->readpage_io_failed_hook) {
-                       ret = tree->ops->readpage_io_failed_hook(page, failed_mirror);
+                       ret = tree->ops->readpage_io_failed_hook(page, mirror);
                        if (!ret && !err &&
                            test_bit(BIO_UPTODATE, &bio->bi_flags))
                                uptodate = 1;
@@ -2368,8 +2369,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
                         * can't handle the error it will return -EIO and we
                         * remain responsible for that page.
                         */
-                       ret = bio_readpage_error(bio, page, start, end,
-                                                       failed_mirror, NULL);
+                       ret = bio_readpage_error(bio, page, start, end, mirror, NULL);
                        if (ret == 0) {
                                uptodate =
                                        test_bit(BIO_UPTODATE, &bio->bi_flags);
@@ -4462,7 +4462,7 @@ int read_extent_buffer_pages(struct extent_io_tree *tree,
        }
 
        clear_bit(EXTENT_BUFFER_IOERR, &eb->bflags);
-       eb->failed_mirror = 0;
+       eb->read_mirror = 0;
        atomic_set(&eb->io_pages, num_reads);
        for (i = start_i; i < num_pages; i++) {
                page = extent_buffer_page(eb, i);
index faf10eb57f75eb29edf1a8fb42468fb7924b666a..b516c3b8dec68d825e380a1930976f34c8a3e1a4 100644 (file)
@@ -79,7 +79,7 @@ struct extent_io_ops {
                                        u64 start, u64 end,
                                       struct extent_state *state);
        int (*readpage_end_io_hook)(struct page *page, u64 start, u64 end,
-                                   struct extent_state *state);
+                                   struct extent_state *state, int mirror);
        int (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,
                                      struct extent_state *state, int uptodate);
        void (*set_bit_hook)(struct inode *inode, struct extent_state *state,
@@ -135,7 +135,7 @@ struct extent_buffer {
        spinlock_t refs_lock;
        atomic_t refs;
        atomic_t io_pages;
-       int failed_mirror;
+       int read_mirror;
        struct list_head leak_list;
        struct rcu_head rcu_head;
        pid_t lock_owner;
index d83260d7498fe2b535a59069ebba7c3ae78e255e..53bf2d764bbc4f5814db04710d3123d03c3779ba 100644 (file)
@@ -567,6 +567,7 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode,
        int extent_type;
        int recow;
        int ret;
+       int modify_tree = -1;
 
        if (drop_cache)
                btrfs_drop_extent_cache(inode, start, end - 1, 0);
@@ -575,10 +576,13 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode,
        if (!path)
                return -ENOMEM;
 
+       if (start >= BTRFS_I(inode)->disk_i_size)
+               modify_tree = 0;
+
        while (1) {
                recow = 0;
                ret = btrfs_lookup_file_extent(trans, root, path, ino,
-                                              search_start, -1);
+                                              search_start, modify_tree);
                if (ret < 0)
                        break;
                if (ret > 0 && path->slots[0] > 0 && search_start == start) {
@@ -634,7 +638,8 @@ next_slot:
                }
 
                search_start = max(key.offset, start);
-               if (recow) {
+               if (recow || !modify_tree) {
+                       modify_tree = -1;
                        btrfs_release_path(path);
                        continue;
                }
index 115bc05e42b06fee05ef7551cef1ad4174557634..61b16c641ce0975fcbd302fc6156820233c15c93 100644 (file)
@@ -1947,7 +1947,7 @@ static int btrfs_writepage_end_io_hook(struct page *page, u64 start, u64 end,
  * extent_io.c will try to find good copies for us.
  */
 static int btrfs_readpage_end_io_hook(struct page *page, u64 start, u64 end,
-                              struct extent_state *state)
+                              struct extent_state *state, int mirror)
 {
        size_t offset = start - ((u64)page->index << PAGE_CACHE_SHIFT);
        struct inode *inode = page->mapping->host;
@@ -4069,7 +4069,7 @@ static struct inode *new_simple_dir(struct super_block *s,
        BTRFS_I(inode)->dummy_inode = 1;
 
        inode->i_ino = BTRFS_EMPTY_SUBVOL_DIR_OBJECTID;
-       inode->i_op = &simple_dir_inode_operations;
+       inode->i_op = &btrfs_dir_ro_inode_operations;
        inode->i_fop = &simple_dir_operations;
        inode->i_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO;
        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
@@ -4140,14 +4140,18 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 static int btrfs_dentry_delete(const struct dentry *dentry)
 {
        struct btrfs_root *root;
+       struct inode *inode = dentry->d_inode;
 
-       if (!dentry->d_inode && !IS_ROOT(dentry))
-               dentry = dentry->d_parent;
+       if (!inode && !IS_ROOT(dentry))
+               inode = dentry->d_parent->d_inode;
 
-       if (dentry->d_inode) {
-               root = BTRFS_I(dentry->d_inode)->root;
+       if (inode) {
+               root = BTRFS_I(inode)->root;
                if (btrfs_root_refs(&root->root_item) == 0)
                        return 1;
+
+               if (btrfs_ino(inode) == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)
+                       return 1;
        }
        return 0;
 }
@@ -4188,7 +4192,6 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
        struct btrfs_path *path;
        struct list_head ins_list;
        struct list_head del_list;
-       struct qstr q;
        int ret;
        struct extent_buffer *leaf;
        int slot;
@@ -4279,7 +4282,6 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
 
                while (di_cur < di_total) {
                        struct btrfs_key location;
-                       struct dentry *tmp;
 
                        if (verify_dir_item(root, leaf, di))
                                break;
@@ -4300,35 +4302,15 @@ static int btrfs_real_readdir(struct file *filp, void *dirent,
                        d_type = btrfs_filetype_table[btrfs_dir_type(leaf, di)];
                        btrfs_dir_item_key_to_cpu(leaf, di, &location);
 
-                       q.name = name_ptr;
-                       q.len = name_len;
-                       q.hash = full_name_hash(q.name, q.len);
-                       tmp = d_lookup(filp->f_dentry, &q);
-                       if (!tmp) {
-                               struct btrfs_key *newkey;
-
-                               newkey = kzalloc(sizeof(struct btrfs_key),
-                                                GFP_NOFS);
-                               if (!newkey)
-                                       goto no_dentry;
-                               tmp = d_alloc(filp->f_dentry, &q);
-                               if (!tmp) {
-                                       kfree(newkey);
-                                       dput(tmp);
-                                       goto no_dentry;
-                               }
-                               memcpy(newkey, &location,
-                                      sizeof(struct btrfs_key));
-                               tmp->d_fsdata = newkey;
-                               tmp->d_flags |= DCACHE_NEED_LOOKUP;
-                               d_rehash(tmp);
-                               dput(tmp);
-                       } else {
-                               dput(tmp);
-                       }
-no_dentry:
+
                        /* is this a reference to our own snapshot? If so
-                        * skip it
+                        * skip it.
+                        *
+                        * In contrast to old kernels, we insert the snapshot's
+                        * dir item and dir index after it has been created, so
+                        * we won't find a reference to our own snapshot. We
+                        * still keep the following code for backward
+                        * compatibility.
                         */
                        if (location.type == BTRFS_ROOT_ITEM_KEY &&
                            location.objectid == root->root_key.objectid) {
index 18cc23d164a80b7ccc717a83499214b81f395896..14f8e1faa46ee0478ebb83d6f82d205d25c1dc51 100644 (file)
@@ -2262,7 +2262,10 @@ static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg)
        di_args->bytes_used = dev->bytes_used;
        di_args->total_bytes = dev->total_bytes;
        memcpy(di_args->uuid, dev->uuid, sizeof(di_args->uuid));
-       strncpy(di_args->path, dev->name, sizeof(di_args->path));
+       if (dev->name)
+               strncpy(di_args->path, dev->name, sizeof(di_args->path));
+       else
+               di_args->path[0] = '\0';
 
 out:
        if (ret == 0 && copy_to_user(arg, di_args, sizeof(*di_args)))
index dc5d33146fdbb9f4fb3cf899d78a97ca361b6ac8..ac5d010858848d007e380d529476ad9eb4f6fb31 100644 (file)
@@ -250,14 +250,12 @@ static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info,
                                          struct btrfs_bio *bbio)
 {
        int ret;
-       int looped = 0;
        struct reada_zone *zone;
        struct btrfs_block_group_cache *cache = NULL;
        u64 start;
        u64 end;
        int i;
 
-again:
        zone = NULL;
        spin_lock(&fs_info->reada_lock);
        ret = radix_tree_gang_lookup(&dev->reada_zones, (void **)&zone,
@@ -274,9 +272,6 @@ again:
                spin_unlock(&fs_info->reada_lock);
        }
 
-       if (looped)
-               return NULL;
-
        cache = btrfs_lookup_block_group(fs_info, logical);
        if (!cache)
                return NULL;
@@ -307,13 +302,15 @@ again:
        ret = radix_tree_insert(&dev->reada_zones,
                                (unsigned long)(zone->end >> PAGE_CACHE_SHIFT),
                                zone);
-       spin_unlock(&fs_info->reada_lock);
 
-       if (ret) {
+       if (ret == -EEXIST) {
                kfree(zone);
-               looped = 1;
-               goto again;
+               ret = radix_tree_gang_lookup(&dev->reada_zones, (void **)&zone,
+                                            logical >> PAGE_CACHE_SHIFT, 1);
+               if (ret == 1)
+                       kref_get(&zone->refcnt);
        }
+       spin_unlock(&fs_info->reada_lock);
 
        return zone;
 }
@@ -323,26 +320,26 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
                                              struct btrfs_key *top, int level)
 {
        int ret;
-       int looped = 0;
        struct reada_extent *re = NULL;
+       struct reada_extent *re_exist = NULL;
        struct btrfs_fs_info *fs_info = root->fs_info;
        struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
        struct btrfs_bio *bbio = NULL;
        struct btrfs_device *dev;
+       struct btrfs_device *prev_dev;
        u32 blocksize;
        u64 length;
        int nzones = 0;
        int i;
        unsigned long index = logical >> PAGE_CACHE_SHIFT;
 
-again:
        spin_lock(&fs_info->reada_lock);
        re = radix_tree_lookup(&fs_info->reada_tree, index);
        if (re)
                kref_get(&re->refcnt);
        spin_unlock(&fs_info->reada_lock);
 
-       if (re || looped)
+       if (re)
                return re;
 
        re = kzalloc(sizeof(*re), GFP_NOFS);
@@ -398,16 +395,31 @@ again:
        /* insert extent in reada_tree + all per-device trees, all or nothing */
        spin_lock(&fs_info->reada_lock);
        ret = radix_tree_insert(&fs_info->reada_tree, index, re);
+       if (ret == -EEXIST) {
+               re_exist = radix_tree_lookup(&fs_info->reada_tree, index);
+               BUG_ON(!re_exist);
+               kref_get(&re_exist->refcnt);
+               spin_unlock(&fs_info->reada_lock);
+               goto error;
+       }
        if (ret) {
                spin_unlock(&fs_info->reada_lock);
-               if (ret != -ENOMEM) {
-                       /* someone inserted the extent in the meantime */
-                       looped = 1;
-               }
                goto error;
        }
+       prev_dev = NULL;
        for (i = 0; i < nzones; ++i) {
                dev = bbio->stripes[i].dev;
+               if (dev == prev_dev) {
+                       /*
+                        * in case of DUP, just add the first zone. As both
+                        * are on the same device, there's nothing to gain
+                        * from adding both.
+                        * Also, it wouldn't work, as the tree is per device
+                        * and adding would fail with EEXIST
+                        */
+                       continue;
+               }
+               prev_dev = dev;
                ret = radix_tree_insert(&dev->reada_extents, index, re);
                if (ret) {
                        while (--i >= 0) {
@@ -450,9 +462,7 @@ error:
        }
        kfree(bbio);
        kfree(re);
-       if (looped)
-               goto again;
-       return NULL;
+       return re_exist;
 }
 
 static void reada_kref_dummy(struct kref *kr)
index 017281dbb2a71f6a0c51f4f8cc52cf9e651f2fd0..646ee21bb035d9ad8a4b1628e6883544c0603ea6 100644 (file)
@@ -1279,7 +1279,9 @@ static int __update_reloc_root(struct btrfs_root *root, int del)
                if (rb_node)
                        backref_tree_panic(rb_node, -EEXIST, node->bytenr);
        } else {
+               spin_lock(&root->fs_info->trans_lock);
                list_del_init(&root->root_list);
+               spin_unlock(&root->fs_info->trans_lock);
                kfree(node);
        }
        return 0;
@@ -3811,7 +3813,7 @@ restart:
 
                ret = btrfs_block_rsv_check(rc->extent_root, rc->block_rsv, 5);
                if (ret < 0) {
-                       if (ret != -EAGAIN) {
+                       if (ret != -ENOSPC) {
                                err = ret;
                                WARN_ON(1);
                                break;
index bc015f77f3ea2e2c0500d4428ce2cbd54aa6834f..4f76fc3f8e896ed70b01bcb2f45bdbc68a583ba7 100644 (file)
@@ -1257,12 +1257,6 @@ static int scrub_checksum_data(struct scrub_block *sblock)
        if (memcmp(csum, on_disk_csum, sdev->csum_size))
                fail = 1;
 
-       if (fail) {
-               spin_lock(&sdev->stat_lock);
-               ++sdev->stat.csum_errors;
-               spin_unlock(&sdev->stat_lock);
-       }
-
        return fail;
 }
 
@@ -1335,15 +1329,6 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
        if (memcmp(calculated_csum, on_disk_csum, sdev->csum_size))
                ++crc_fail;
 
-       if (crc_fail || fail) {
-               spin_lock(&sdev->stat_lock);
-               if (crc_fail)
-                       ++sdev->stat.csum_errors;
-               if (fail)
-                       ++sdev->stat.verify_errors;
-               spin_unlock(&sdev->stat_lock);
-       }
-
        return fail || crc_fail;
 }
 
index 8d5d380f7bdb8a81b576c51ac487ccc492051d2f..c5f8fca4195fca9eb3806ebfbccf52d03049691e 100644 (file)
@@ -815,7 +815,6 @@ int btrfs_sync_fs(struct super_block *sb, int wait)
                return 0;
        }
 
-       btrfs_start_delalloc_inodes(root, 0);
        btrfs_wait_ordered_extents(root, 0, 0);
 
        trans = btrfs_start_transaction(root, 0);
@@ -1148,13 +1147,15 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
                if (ret)
                        goto restore;
        } else {
-               if (fs_info->fs_devices->rw_devices == 0)
+               if (fs_info->fs_devices->rw_devices == 0) {
                        ret = -EACCES;
                        goto restore;
+               }
 
-               if (btrfs_super_log_root(fs_info->super_copy) != 0)
+               if (btrfs_super_log_root(fs_info->super_copy) != 0) {
                        ret = -EINVAL;
                        goto restore;
+               }
 
                ret = btrfs_cleanup_fs_roots(fs_info);
                if (ret)
index 11b77a59db629923368f993b3a3b5f6e7a883f15..36422254ef6765c14290a2373fa6d83cf2d364d5 100644 (file)
@@ -73,8 +73,10 @@ loop:
 
        cur_trans = root->fs_info->running_transaction;
        if (cur_trans) {
-               if (cur_trans->aborted)
+               if (cur_trans->aborted) {
+                       spin_unlock(&root->fs_info->trans_lock);
                        return cur_trans->aborted;
+               }
                atomic_inc(&cur_trans->use_count);
                atomic_inc(&cur_trans->num_writers);
                cur_trans->num_joined++;
@@ -1400,6 +1402,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
        ret = commit_fs_roots(trans, root);
        if (ret) {
                mutex_unlock(&root->fs_info->tree_log_mutex);
+               mutex_unlock(&root->fs_info->reloc_mutex);
                goto cleanup_transaction;
        }
 
@@ -1411,6 +1414,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
        ret = commit_cowonly_roots(trans, root);
        if (ret) {
                mutex_unlock(&root->fs_info->tree_log_mutex);
+               mutex_unlock(&root->fs_info->reloc_mutex);
                goto cleanup_transaction;
        }
 
index 759d02486d7ccb2dcb2ff1b1334396cc219880ca..1411b99555a4c1f138a6a3bf699842849d2b3e08 100644 (file)
@@ -3324,12 +3324,14 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
        stripe_size = devices_info[ndevs-1].max_avail;
        num_stripes = ndevs * dev_stripes;
 
-       if (stripe_size * num_stripes > max_chunk_size * ncopies) {
+       if (stripe_size * ndevs > max_chunk_size * ncopies) {
                stripe_size = max_chunk_size * ncopies;
-               do_div(stripe_size, num_stripes);
+               do_div(stripe_size, ndevs);
        }
 
        do_div(stripe_size, dev_stripes);
+
+       /* align to BTRFS_STRIPE_LEN */
        do_div(stripe_size, BTRFS_STRIPE_LEN);
        stripe_size *= BTRFS_STRIPE_LEN;
 
@@ -3805,10 +3807,11 @@ static int __btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
                else if (mirror_num)
                        stripe_index += mirror_num - 1;
                else {
+                       int old_stripe_index = stripe_index;
                        stripe_index = find_live_mirror(map, stripe_index,
                                              map->sub_stripes, stripe_index +
                                              current->pid % map->sub_stripes);
-                       mirror_num = stripe_index + 1;
+                       mirror_num = stripe_index - old_stripe_index + 1;
                }
        } else {
                /*
@@ -4350,8 +4353,10 @@ static int open_seed_devices(struct btrfs_root *root, u8 *fsid)
 
        ret = __btrfs_open_devices(fs_devices, FMODE_READ,
                                   root->fs_info->bdev_holder);
-       if (ret)
+       if (ret) {
+               free_fs_devices(fs_devices);
                goto out;
+       }
 
        if (!fs_devices->seeding) {
                __btrfs_close_devices(fs_devices);
index 36d66653b93191c9c13c21e74dea6f511a6ac9ab..351e18ea2e53a911abcab29f57325a4f31ded786 100644 (file)
@@ -985,7 +985,6 @@ grow_dev_page(struct block_device *bdev, sector_t block,
        return page;
 
 failed:
-       BUG();
        unlock_page(page);
        page_cache_release(page);
        return NULL;
index d34212822444221d8698b716bc817857ab577f5d..811245b1ff2e7a9f6f1d0388368d730a479953e5 100644 (file)
@@ -370,13 +370,13 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
                                   (int)(srcaddr->sa_family));
        }
 
-       seq_printf(s, ",uid=%d", cifs_sb->mnt_uid);
+       seq_printf(s, ",uid=%u", cifs_sb->mnt_uid);
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_UID)
                seq_printf(s, ",forceuid");
        else
                seq_printf(s, ",noforceuid");
 
-       seq_printf(s, ",gid=%d", cifs_sb->mnt_gid);
+       seq_printf(s, ",gid=%u", cifs_sb->mnt_gid);
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_OVERR_GID)
                seq_printf(s, ",forcegid");
        else
@@ -434,9 +434,13 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
                seq_printf(s, ",noperm");
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO)
                seq_printf(s, ",strictcache");
+       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID)
+               seq_printf(s, ",backupuid=%u", cifs_sb->mnt_backupuid);
+       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID)
+               seq_printf(s, ",backupgid=%u", cifs_sb->mnt_backupgid);
 
-       seq_printf(s, ",rsize=%d", cifs_sb->rsize);
-       seq_printf(s, ",wsize=%d", cifs_sb->wsize);
+       seq_printf(s, ",rsize=%u", cifs_sb->rsize);
+       seq_printf(s, ",wsize=%u", cifs_sb->wsize);
        /* convert actimeo and display it in seconds */
                seq_printf(s, ",actimeo=%lu", cifs_sb->actimeo / HZ);
 
index f31dc9ac37b76f0014fe5584c88d35d836bb1659..f4d381e331ce442a6181613c6327b7e016cacd72 100644 (file)
@@ -3228,10 +3228,6 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
 
        cifs_sb->mnt_uid = pvolume_info->linux_uid;
        cifs_sb->mnt_gid = pvolume_info->linux_gid;
-       if (pvolume_info->backupuid_specified)
-               cifs_sb->mnt_backupuid = pvolume_info->backupuid;
-       if (pvolume_info->backupgid_specified)
-               cifs_sb->mnt_backupgid = pvolume_info->backupgid;
        cifs_sb->mnt_file_mode = pvolume_info->file_mode;
        cifs_sb->mnt_dir_mode = pvolume_info->dir_mode;
        cFYI(1, "file mode: 0x%hx  dir mode: 0x%hx",
@@ -3262,10 +3258,14 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
                cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_RWPIDFORWARD;
        if (pvolume_info->cifs_acl)
                cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;
-       if (pvolume_info->backupuid_specified)
+       if (pvolume_info->backupuid_specified) {
                cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPUID;
-       if (pvolume_info->backupgid_specified)
+               cifs_sb->mnt_backupuid = pvolume_info->backupuid;
+       }
+       if (pvolume_info->backupgid_specified) {
                cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_BACKUPGID;
+               cifs_sb->mnt_backupgid = pvolume_info->backupgid;
+       }
        if (pvolume_info->override_uid)
                cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID;
        if (pvolume_info->override_gid)
index fae765dac934c61f894ef7216de527493316b37c..81725e9286e911f501e4a78d1d7c28768753d118 100644 (file)
@@ -2178,7 +2178,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov,
        unsigned long nr_pages, i;
        size_t copied, len, cur_len;
        ssize_t total_written = 0;
-       loff_t offset = *poffset;
+       loff_t offset;
        struct iov_iter it;
        struct cifsFileInfo *open_file;
        struct cifs_tcon *tcon;
@@ -2200,6 +2200,7 @@ cifs_iovec_write(struct file *file, const struct iovec *iov,
        cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
        open_file = file->private_data;
        tcon = tlink_tcon(open_file->tlink);
+       offset = *poffset;
 
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_RWPIDFORWARD)
                pid = open_file->pid;
index fa5c07d51dccf2cb1b66d4b2d04a4eec8a92e7da..4c58d4a3adc4f29c6a2829bc54ac4be122c77ae7 100644 (file)
@@ -1736,6 +1736,18 @@ static int _can_be_granted(struct dlm_rsb *r, struct dlm_lkb *lkb, int now)
        if (now && conv && !(lkb->lkb_exflags & DLM_LKF_QUECVT))
                return 1;
 
+       /*
+        * Even if the convert is compat with all granted locks,
+        * QUECVT forces it behind other locks on the convert queue.
+        */
+
+       if (now && conv && (lkb->lkb_exflags & DLM_LKF_QUECVT)) {
+               if (list_empty(&r->res_convertqueue))
+                       return 1;
+               else
+                       goto out;
+       }
+
        /*
         * The NOORDER flag is set to avoid the standard vms rules on grant
         * order.
index 739b0985b398ea2d837af83e26fa305a6cdfdc30..c0b3c70ee87a2b8e0e46c01a87d63ac692aecc71 100644 (file)
@@ -1663,8 +1663,10 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
        if (op == EPOLL_CTL_ADD) {
                if (is_file_epoll(tfile)) {
                        error = -ELOOP;
-                       if (ep_loop_check(ep, tfile) != 0)
+                       if (ep_loop_check(ep, tfile) != 0) {
+                               clear_tfile_check_list();
                                goto error_tgt_fput;
+                       }
                } else
                        list_add(&tfile->f_tfile_llink, &tfile_check_list);
        }
index 6da193564e43b2dc6862dcca4c4aa52689479939..e1fb1d5de58eab4150792974f9784751f4638557 100644 (file)
@@ -1597,7 +1597,9 @@ static int parse_options(char *options, struct super_block *sb,
                         unsigned int *journal_ioprio,
                         int is_remount)
 {
+#ifdef CONFIG_QUOTA
        struct ext4_sb_info *sbi = EXT4_SB(sb);
+#endif
        char *p;
        substring_t args[MAX_OPT_ARGS];
        int token;
index f8411bd1b805b9f93df3dd4ea53e3a388bf5957e..5f5e70e047dc73440ab88f1c08adc51938d7930b 100644 (file)
@@ -200,10 +200,11 @@ static int make_mode(const unsigned int lmstate)
        return -1;
 }
 
-static u32 make_flags(const u32 lkid, const unsigned int gfs_flags,
+static u32 make_flags(struct gfs2_glock *gl, const unsigned int gfs_flags,
                      const int req)
 {
        u32 lkf = DLM_LKF_VALBLK;
+       u32 lkid = gl->gl_lksb.sb_lkid;
 
        if (gfs_flags & LM_FLAG_TRY)
                lkf |= DLM_LKF_NOQUEUE;
@@ -227,8 +228,11 @@ static u32 make_flags(const u32 lkid, const unsigned int gfs_flags,
                        BUG();
        }
 
-       if (lkid != 0) 
+       if (lkid != 0) {
                lkf |= DLM_LKF_CONVERT;
+               if (test_bit(GLF_BLOCKING, &gl->gl_flags))
+                       lkf |= DLM_LKF_QUECVT;
+       }
 
        return lkf;
 }
@@ -250,7 +254,7 @@ static int gdlm_lock(struct gfs2_glock *gl, unsigned int req_state,
        char strname[GDLM_STRNAME_BYTES] = "";
 
        req = make_mode(req_state);
-       lkf = make_flags(gl->gl_lksb.sb_lkid, flags, req);
+       lkf = make_flags(gl, flags, req);
        gfs2_glstats_inc(gl, GFS2_LKS_DCOUNT);
        gfs2_sbstats_inc(gl, GFS2_LKS_DCOUNT);
        if (gl->gl_lksb.sb_lkid) {
index 28cf06e4ec8466478ce34db5db271f179dc0d7b5..001ef01d2fe2705a6767075032ea9f9f9ed0ec04 100644 (file)
@@ -485,6 +485,7 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb,
                inode->i_fop = &simple_dir_operations;
                /* directory inodes start off with i_nlink == 2 (for "." entry) */
                inc_nlink(inode);
+               lockdep_annotate_inode_mutex_key(inode);
        }
        return inode;
 }
index 806525a7269c5e7bd7cd864a7350563e792c1858..840f70f507924a0ac4db70a9d729f715783b49be 100644 (file)
@@ -723,7 +723,7 @@ start_journal_io:
        if (commit_transaction->t_need_data_flush &&
            (journal->j_fs_dev != journal->j_dev) &&
            (journal->j_flags & JBD2_BARRIER))
-               blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+               blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS, NULL);
 
        /* Done it all: now write the commit record asynchronously. */
        if (JBD2_HAS_INCOMPAT_FEATURE(journal,
@@ -859,7 +859,7 @@ wait_for_iobuf:
        if (JBD2_HAS_INCOMPAT_FEATURE(journal,
                                      JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT) &&
            journal->j_flags & JBD2_BARRIER) {
-               blkdev_issue_flush(journal->j_dev, GFP_KERNEL, NULL);
+               blkdev_issue_flush(journal->j_dev, GFP_NOFS, NULL);
        }
 
        if (err)
index 4aaf0316d76a040a1e17e60e00060b28005d59a2..8789210c6905a666c86612d9ac080f567ddbd89f 100644 (file)
@@ -1429,7 +1429,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
        }
 
        open_flags = nd->intent.open.flags;
-       attr.ia_valid = 0;
+       attr.ia_valid = ATTR_OPEN;
 
        ctx = create_nfs_open_context(dentry, open_flags);
        res = ERR_CAST(ctx);
@@ -1536,7 +1536,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
        if (IS_ERR(ctx))
                goto out;
 
-       attr.ia_valid = 0;
+       attr.ia_valid = ATTR_OPEN;
        if (openflags & O_TRUNC) {
                attr.ia_valid |= ATTR_SIZE;
                attr.ia_size = 0;
index 97ecc863dd76b46900e23758d4cbdda2f28f63d0..b6db9e33fb7bbe7d4d97b130252312e621c85056 100644 (file)
@@ -59,6 +59,7 @@ struct nfs_unique_id {
 
 #define NFS_SEQID_CONFIRMED 1
 struct nfs_seqid_counter {
+       ktime_t create_time;
        int owner_id;
        int flags;
        u32 counter;
index f82bde005a822435fe8c4e7e20e99a60f3a5764c..60d5f4c26ddaeee0e107bea081544d8c3a50d0ef 100644 (file)
@@ -838,7 +838,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry,
        p->o_arg.open_flags = flags;
        p->o_arg.fmode = fmode & (FMODE_READ|FMODE_WRITE);
        p->o_arg.clientid = server->nfs_client->cl_clientid;
-       p->o_arg.id = sp->so_seqid.owner_id;
+       p->o_arg.id.create_time = ktime_to_ns(sp->so_seqid.create_time);
+       p->o_arg.id.uniquifier = sp->so_seqid.owner_id;
        p->o_arg.name = &dentry->d_name;
        p->o_arg.server = server;
        p->o_arg.bitmask = server->attr_bitmask;
@@ -1466,8 +1467,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata)
                        goto unlock_no_action;
                rcu_read_unlock();
        }
-       /* Update sequence id. */
-       data->o_arg.id = sp->so_seqid.owner_id;
+       /* Update client id. */
        data->o_arg.clientid = sp->so_server->nfs_client->cl_clientid;
        if (data->o_arg.claim == NFS4_OPEN_CLAIM_PREVIOUS) {
                task->tk_msg.rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_OPEN_NOATTR];
@@ -1954,10 +1954,19 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
        };
        int err;
        do {
-               err = nfs4_handle_exception(server,
-                               _nfs4_do_setattr(inode, cred, fattr, sattr, state),
-                               &exception);
+               err = _nfs4_do_setattr(inode, cred, fattr, sattr, state);
+               switch (err) {
+               case -NFS4ERR_OPENMODE:
+                       if (state && !(state->state & FMODE_WRITE)) {
+                               err = -EBADF;
+                               if (sattr->ia_valid & ATTR_OPEN)
+                                       err = -EACCES;
+                               goto out;
+                       }
+               }
+               err = nfs4_handle_exception(server, err, &exception);
        } while (exception.retry);
+out:
        return err;
 }
 
@@ -4558,7 +4567,9 @@ static int _nfs4_do_setlk(struct nfs4_state *state, int cmd, struct file_lock *f
 static int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request)
 {
        struct nfs_server *server = NFS_SERVER(state->inode);
-       struct nfs4_exception exception = { };
+       struct nfs4_exception exception = {
+               .inode = state->inode,
+       };
        int err;
 
        do {
@@ -4576,7 +4587,9 @@ static int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request
 static int nfs4_lock_expired(struct nfs4_state *state, struct file_lock *request)
 {
        struct nfs_server *server = NFS_SERVER(state->inode);
-       struct nfs4_exception exception = { };
+       struct nfs4_exception exception = {
+               .inode = state->inode,
+       };
        int err;
 
        err = nfs4_set_lock_state(state, request);
@@ -4676,6 +4689,7 @@ static int nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock *
 {
        struct nfs4_exception exception = {
                .state = state,
+               .inode = state->inode,
        };
        int err;
 
@@ -4721,6 +4735,20 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
 
        if (state == NULL)
                return -ENOLCK;
+       /*
+        * Don't rely on the VFS having checked the file open mode,
+        * since it won't do this for flock() locks.
+        */
+       switch (request->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) {
+       case F_RDLCK:
+               if (!(filp->f_mode & FMODE_READ))
+                       return -EBADF;
+               break;
+       case F_WRLCK:
+               if (!(filp->f_mode & FMODE_WRITE))
+                       return -EBADF;
+       }
+
        do {
                status = nfs4_proc_setlk(state, cmd, request);
                if ((status != -EAGAIN) || IS_SETLK(cmd))
index 0f43414eb25a141be336c34bef78cc126cd9039f..7f0fcfc1fe9db51e9bc3748f511163dfed7cdce7 100644 (file)
@@ -393,6 +393,7 @@ nfs4_remove_state_owner_locked(struct nfs4_state_owner *sp)
 static void
 nfs4_init_seqid_counter(struct nfs_seqid_counter *sc)
 {
+       sc->create_time = ktime_get();
        sc->flags = 0;
        sc->counter = 0;
        spin_lock_init(&sc->lock);
@@ -434,13 +435,17 @@ nfs4_alloc_state_owner(struct nfs_server *server,
 static void
 nfs4_drop_state_owner(struct nfs4_state_owner *sp)
 {
-       if (!RB_EMPTY_NODE(&sp->so_server_node)) {
+       struct rb_node *rb_node = &sp->so_server_node;
+
+       if (!RB_EMPTY_NODE(rb_node)) {
                struct nfs_server *server = sp->so_server;
                struct nfs_client *clp = server->nfs_client;
 
                spin_lock(&clp->cl_lock);
-               rb_erase(&sp->so_server_node, &server->state_owners);
-               RB_CLEAR_NODE(&sp->so_server_node);
+               if (!RB_EMPTY_NODE(rb_node)) {
+                       rb_erase(rb_node, &server->state_owners);
+                       RB_CLEAR_NODE(rb_node);
+               }
                spin_unlock(&clp->cl_lock);
        }
 }
@@ -516,6 +521,14 @@ out:
 /**
  * nfs4_put_state_owner - Release a nfs4_state_owner
  * @sp: state owner data to release
+ *
+ * Note that we keep released state owners on an LRU
+ * list.
+ * This caches valid state owners so that they can be
+ * reused, to avoid the OPEN_CONFIRM on minor version 0.
+ * It also pins the uniquifier of dropped state owners for
+ * a while, to ensure that those state owner names are
+ * never reused.
  */
 void nfs4_put_state_owner(struct nfs4_state_owner *sp)
 {
@@ -525,15 +538,9 @@ void nfs4_put_state_owner(struct nfs4_state_owner *sp)
        if (!atomic_dec_and_lock(&sp->so_count, &clp->cl_lock))
                return;
 
-       if (!RB_EMPTY_NODE(&sp->so_server_node)) {
-               sp->so_expires = jiffies;
-               list_add_tail(&sp->so_lru, &server->state_owners_lru);
-               spin_unlock(&clp->cl_lock);
-       } else {
-               nfs4_remove_state_owner_locked(sp);
-               spin_unlock(&clp->cl_lock);
-               nfs4_free_state_owner(sp);
-       }
+       sp->so_expires = jiffies;
+       list_add_tail(&sp->so_lru, &server->state_owners_lru);
+       spin_unlock(&clp->cl_lock);
 }
 
 /**
index c74fdb114b48af141a719d1facd11ed249c5f5d1..77fc5f959c4ecf4322c3846323eb3bf4cdb22081 100644 (file)
@@ -74,7 +74,7 @@ static int nfs4_stat_to_errno(int);
 /* lock,open owner id:
  * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT  >> 2)
  */
-#define open_owner_id_maxsz    (1 + 1 + 4)
+#define open_owner_id_maxsz    (1 + 2 + 1 + 1 + 2)
 #define lock_owner_id_maxsz    (1 + 1 + 4)
 #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
 #define compound_encode_hdr_maxsz      (3 + (NFS4_MAXTAGLEN >> 2))
@@ -1340,12 +1340,13 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena
  */
        encode_nfs4_seqid(xdr, arg->seqid);
        encode_share_access(xdr, arg->fmode);
-       p = reserve_space(xdr, 32);
+       p = reserve_space(xdr, 36);
        p = xdr_encode_hyper(p, arg->clientid);
-       *p++ = cpu_to_be32(20);
+       *p++ = cpu_to_be32(24);
        p = xdr_encode_opaque_fixed(p, "open id:", 8);
        *p++ = cpu_to_be32(arg->server->s_dev);
-       xdr_encode_hyper(p, arg->id);
+       *p++ = cpu_to_be32(arg->id.uniquifier);
+       xdr_encode_hyper(p, arg->id.create_time);
 }
 
 static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
index 9a0e8ef4a40948d83d87d7a0898a49d55c3099c1..0a4be28c2ea3c76f57321bf765708924c4a2fdcf 100644 (file)
@@ -322,7 +322,7 @@ out_bad:
        while (!list_empty(res)) {
                data = list_entry(res->next, struct nfs_read_data, list);
                list_del(&data->list);
-               nfs_readdata_free(data);
+               nfs_readdata_release(data);
        }
        nfs_readpage_release(req);
        return -ENOMEM;
index 37412f706b32c83d5e0b3a95ae8665038ef43d68..1e6715f0616c938c237595458124395779b5492e 100644 (file)
@@ -2767,11 +2767,15 @@ static struct vfsmount *nfs_do_root_mount(struct file_system_type *fs_type,
        char *root_devname;
        size_t len;
 
-       len = strlen(hostname) + 3;
+       len = strlen(hostname) + 5;
        root_devname = kmalloc(len, GFP_KERNEL);
        if (root_devname == NULL)
                return ERR_PTR(-ENOMEM);
-       snprintf(root_devname, len, "%s:/", hostname);
+       /* Does hostname needs to be enclosed in brackets? */
+       if (strchr(hostname, ':'))
+               snprintf(root_devname, len, "[%s]:/", hostname);
+       else
+               snprintf(root_devname, len, "%s:/", hostname);
        root_mnt = vfs_kern_mount(fs_type, flags, root_devname, data);
        kfree(root_devname);
        return root_mnt;
index 2c68818f68ac056b8587c22bf40f8f5d229a6403..c07462320f6b5c41c09ba2ff054e75048951691f 100644 (file)
@@ -682,7 +682,8 @@ static struct nfs_page *nfs_try_to_update_request(struct inode *inode,
                req->wb_bytes = rqend - req->wb_offset;
 out_unlock:
        spin_unlock(&inode->i_lock);
-       nfs_clear_request_commit(req);
+       if (req)
+               nfs_clear_request_commit(req);
        return req;
 out_flushme:
        spin_unlock(&inode->i_lock);
@@ -1018,7 +1019,7 @@ out_bad:
        while (!list_empty(res)) {
                data = list_entry(res->next, struct nfs_write_data, list);
                list_del(&data->list);
-               nfs_writedata_free(data);
+               nfs_writedata_release(data);
        }
        nfs_redirty_request(req);
        return -ENOMEM;
index 4767429264a25b3e6003953c8d3f1e70627b075d..ed3f9206a0ee87c914f133492f1f6011775bdef8 100644 (file)
@@ -577,7 +577,7 @@ cld_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
        struct cld_net *cn = nn->cld_net;
 
        if (mlen != sizeof(*cmsg)) {
-               dprintk("%s: got %lu bytes, expected %lu\n", __func__, mlen,
+               dprintk("%s: got %zu bytes, expected %zu\n", __func__, mlen,
                        sizeof(*cmsg));
                return -EINVAL;
        }
index 25feaa3faac068eba842438f9171f78ff189d7f8..fec5e4ad071a36bb8783bdcc8c40c07c614340a5 100644 (file)
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -346,6 +346,16 @@ static const struct pipe_buf_operations anon_pipe_buf_ops = {
        .get = generic_pipe_buf_get,
 };
 
+static const struct pipe_buf_operations packet_pipe_buf_ops = {
+       .can_merge = 0,
+       .map = generic_pipe_buf_map,
+       .unmap = generic_pipe_buf_unmap,
+       .confirm = generic_pipe_buf_confirm,
+       .release = anon_pipe_buf_release,
+       .steal = generic_pipe_buf_steal,
+       .get = generic_pipe_buf_get,
+};
+
 static ssize_t
 pipe_read(struct kiocb *iocb, const struct iovec *_iov,
           unsigned long nr_segs, loff_t pos)
@@ -407,6 +417,13 @@ redo:
                        ret += chars;
                        buf->offset += chars;
                        buf->len -= chars;
+
+                       /* Was it a packet buffer? Clean up and exit */
+                       if (buf->flags & PIPE_BUF_FLAG_PACKET) {
+                               total_len = chars;
+                               buf->len = 0;
+                       }
+
                        if (!buf->len) {
                                buf->ops = NULL;
                                ops->release(pipe, buf);
@@ -459,6 +476,11 @@ redo:
        return ret;
 }
 
+static inline int is_packetized(struct file *file)
+{
+       return (file->f_flags & O_DIRECT) != 0;
+}
+
 static ssize_t
 pipe_write(struct kiocb *iocb, const struct iovec *_iov,
            unsigned long nr_segs, loff_t ppos)
@@ -593,6 +615,11 @@ redo2:
                        buf->ops = &anon_pipe_buf_ops;
                        buf->offset = 0;
                        buf->len = chars;
+                       buf->flags = 0;
+                       if (is_packetized(filp)) {
+                               buf->ops = &packet_pipe_buf_ops;
+                               buf->flags = PIPE_BUF_FLAG_PACKET;
+                       }
                        pipe->nrbufs = ++bufs;
                        pipe->tmp_page = NULL;
 
@@ -1013,7 +1040,7 @@ struct file *create_write_pipe(int flags)
                goto err_dentry;
        f->f_mapping = inode->i_mapping;
 
-       f->f_flags = O_WRONLY | (flags & O_NONBLOCK);
+       f->f_flags = O_WRONLY | (flags & (O_NONBLOCK | O_DIRECT));
        f->f_version = 0;
 
        return f;
@@ -1057,7 +1084,7 @@ int do_pipe_flags(int *fd, int flags)
        int error;
        int fdw, fdr;
 
-       if (flags & ~(O_CLOEXEC | O_NONBLOCK))
+       if (flags & ~(O_CLOEXEC | O_NONBLOCK | O_DIRECT))
                return -EINVAL;
 
        fw = create_write_pipe(flags);
index 2b9a7607cbd5496084ec386fcc2377752ab75107..2d60492d6df80c2e97694b066836b6c1377a570a 100644 (file)
@@ -597,9 +597,6 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr,
                if (!page)
                        continue;
 
-               if (PageReserved(page))
-                       continue;
-
                /* Clear accessed and referenced bits. */
                ptep_test_and_clear_young(vma, addr, pte);
                ClearPageReferenced(page);
index 0dd4e87f6fba9bb85dade657f99aa1fbafa2712f..5e5e3865f1edb3df5b928b6d0b2951b91c3dbccc 100644 (file)
@@ -35,6 +35,14 @@ typedef union sigval {
 #define __ARCH_SI_BAND_T long
 #endif
 
+#ifndef __ARCH_SI_CLOCK_T
+#define __ARCH_SI_CLOCK_T __kernel_clock_t
+#endif
+
+#ifndef __ARCH_SI_ATTRIBUTES
+#define __ARCH_SI_ATTRIBUTES
+#endif
+
 #ifndef HAVE_ARCH_SIGINFO_T
 
 typedef struct siginfo {
@@ -72,8 +80,8 @@ typedef struct siginfo {
                        __kernel_pid_t _pid;    /* which child */
                        __ARCH_SI_UID_T _uid;   /* sender's uid */
                        int _status;            /* exit code */
-                       __kernel_clock_t _utime;
-                       __kernel_clock_t _stime;
+                       __ARCH_SI_CLOCK_T _utime;
+                       __ARCH_SI_CLOCK_T _stime;
                } _sigchld;
 
                /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
@@ -91,7 +99,7 @@ typedef struct siginfo {
                        int _fd;
                } _sigpoll;
        } _sifields;
-} siginfo_t;
+} __ARCH_SI_ATTRIBUTES siginfo_t;
 
 #endif
 
index 88ec80670d5ff1da744a4a5d9174fb8c6f3512da..ec45ccd8708a85f54a903d769b0b5c2fbaf8bc3f 100644 (file)
@@ -554,7 +554,18 @@ extern int __init efi_setup_pcdp_console(char *);
 #define EFI_VARIABLE_NON_VOLATILE       0x0000000000000001
 #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
 #define EFI_VARIABLE_RUNTIME_ACCESS     0x0000000000000004
-
+#define EFI_VARIABLE_HARDWARE_ERROR_RECORD 0x0000000000000008
+#define EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS 0x0000000000000010
+#define EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS 0x0000000000000020
+#define EFI_VARIABLE_APPEND_WRITE      0x0000000000000040
+
+#define EFI_VARIABLE_MASK      (EFI_VARIABLE_NON_VOLATILE | \
+                               EFI_VARIABLE_BOOTSERVICE_ACCESS | \
+                               EFI_VARIABLE_RUNTIME_ACCESS | \
+                               EFI_VARIABLE_HARDWARE_ERROR_RECORD | \
+                               EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS | \
+                               EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \
+                               EFI_VARIABLE_APPEND_WRITE)
 /*
  * The type of search to perform when calling boottime->locate_handle
  */
index 05071ee34c3f5332ecf0ca9bc4c6766e01ca1d01..d755b28ba63541cc1f803993573c66aa3870eed5 100644 (file)
@@ -13,4 +13,8 @@ extern int pxa_last_gpio;
 
 extern int pxa_irq_to_gpio(int irq);
 
+struct pxa_gpio_platform_data {
+       int (*gpio_set_wake)(unsigned int gpio, unsigned int on);
+};
+
 #endif /* __GPIO_PXA_H */
index 4b178067f405508e06f3af7adfd09cb3d7a46e7b..56fae865e272f0200894059b9661ebdd23288993 100644 (file)
@@ -26,9 +26,9 @@
 #include <linux/device.h>
 #include <linux/mutex.h>
 #include <linux/scatterlist.h>
-#include <linux/spinlock.h>
 #include <linux/list.h>
 #include <linux/module.h>
+#include <linux/notifier.h>
 
 /* HSI message ttype */
 #define HSI_MSG_READ   0
@@ -121,18 +121,18 @@ static inline int hsi_register_board_info(struct hsi_board_info const *info,
  * @device: Driver model representation of the device
  * @tx_cfg: HSI TX configuration
  * @rx_cfg: HSI RX configuration
- * @hsi_start_rx: Called after incoming wake line goes high
- * @hsi_stop_rx: Called after incoming wake line goes low
+ * @e_handler: Callback for handling port events (RX Wake High/Low)
+ * @pclaimed: Keeps tracks if the clients claimed its associated HSI port
+ * @nb: Notifier block for port events
  */
 struct hsi_client {
        struct device           device;
        struct hsi_config       tx_cfg;
        struct hsi_config       rx_cfg;
-       void                    (*hsi_start_rx)(struct hsi_client *cl);
-       void                    (*hsi_stop_rx)(struct hsi_client *cl);
        /* private: */
+       void                    (*ehandler)(struct hsi_client *, unsigned long);
        unsigned int            pclaimed:1;
-       struct list_head        link;
+       struct notifier_block   nb;
 };
 
 #define to_hsi_client(dev) container_of(dev, struct hsi_client, device)
@@ -147,6 +147,10 @@ static inline void *hsi_client_drvdata(struct hsi_client *cl)
        return dev_get_drvdata(&cl->device);
 }
 
+int hsi_register_port_event(struct hsi_client *cl,
+                       void (*handler)(struct hsi_client *, unsigned long));
+int hsi_unregister_port_event(struct hsi_client *cl);
+
 /**
  * struct hsi_client_driver - Driver associated to an HSI client
  * @driver: Driver model representation of the driver
@@ -214,8 +218,7 @@ void hsi_free_msg(struct hsi_msg *msg);
  * @start_tx: Callback to inform that a client wants to TX data
  * @stop_tx: Callback to inform that a client no longer wishes to TX data
  * @release: Callback to inform that a client no longer uses the port
- * @clients: List of hsi_clients using the port.
- * @clock: Lock to serialize access to the clients list.
+ * @n_head: Notifier chain for signaling port events to the clients.
  */
 struct hsi_port {
        struct device                   device;
@@ -231,14 +234,14 @@ struct hsi_port {
        int                             (*start_tx)(struct hsi_client *cl);
        int                             (*stop_tx)(struct hsi_client *cl);
        int                             (*release)(struct hsi_client *cl);
-       struct list_head                clients;
-       spinlock_t                      clock;
+       /* private */
+       struct atomic_notifier_head     n_head;
 };
 
 #define to_hsi_port(dev) container_of(dev, struct hsi_port, device)
 #define hsi_get_port(cl) to_hsi_port((cl)->device.parent)
 
-void hsi_event(struct hsi_port *port, unsigned int event);
+int hsi_event(struct hsi_port *port, unsigned long event);
 int hsi_claim_port(struct hsi_client *cl, unsigned int share);
 void hsi_release_port(struct hsi_client *cl);
 
@@ -270,13 +273,13 @@ struct hsi_controller {
        struct module           *owner;
        unsigned int            id;
        unsigned int            num_ports;
-       struct hsi_port         *port;
+       struct hsi_port         **port;
 };
 
 #define to_hsi_controller(dev) container_of(dev, struct hsi_controller, device)
 
 struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags);
-void hsi_free_controller(struct hsi_controller *hsi);
+void hsi_put_controller(struct hsi_controller *hsi);
 int hsi_register_controller(struct hsi_controller *hsi);
 void hsi_unregister_controller(struct hsi_controller *hsi);
 
@@ -294,7 +297,7 @@ static inline void *hsi_controller_drvdata(struct hsi_controller *hsi)
 static inline struct hsi_port *hsi_find_port_num(struct hsi_controller *hsi,
                                                        unsigned int num)
 {
-       return (num < hsi->num_ports) ? &hsi->port[num] : NULL;
+       return (num < hsi->num_ports) ? hsi->port[num] : NULL;
 }
 
 /*
index 42378d637ffbe489c65c0220b8a3a8dc2955f6c9..e926df7b54c963745d043e1041d8876a5a7c65e6 100644 (file)
@@ -996,7 +996,8 @@ extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
 extern void ata_sas_port_destroy(struct ata_port *);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
                                           struct ata_port_info *, struct Scsi_Host *);
-extern int ata_sas_async_port_init(struct ata_port *);
+extern void ata_sas_async_probe(struct ata_port *ap);
+extern int ata_sas_sync_probe(struct ata_port *ap);
 extern int ata_sas_port_init(struct ata_port *);
 extern int ata_sas_port_start(struct ata_port *ap);
 extern void ata_sas_port_stop(struct ata_port *ap);
index bfd0d1bf67072e9a5a6f6c143e80f56fcc6238aa..7ba3551a0414a867cffe38e52cc720004e32592e 100644 (file)
@@ -312,6 +312,11 @@ struct nfs4_layoutreturn {
        int rpc_status;
 };
 
+struct stateowner_id {
+       __u64   create_time;
+       __u32   uniquifier;
+};
+
 /*
  * Arguments to the open call.
  */
@@ -321,7 +326,7 @@ struct nfs_openargs {
        int                     open_flags;
        fmode_t                 fmode;
        __u64                   clientid;
-       __u64                   id;
+       struct stateowner_id    id;
        union {
                struct {
                        struct iattr *  attrs;    /* UNCHECKED, GUARDED */
index 6d626ff0cfd065f8446370902240a865a312ee00..e1ac1ce16fb0b60f07ec961b3ec8f1b7fb0763d0 100644 (file)
@@ -6,6 +6,7 @@
 #define PIPE_BUF_FLAG_LRU      0x01    /* page is on the LRU */
 #define PIPE_BUF_FLAG_ATOMIC   0x02    /* was atomically mapped */
 #define PIPE_BUF_FLAG_GIFT     0x04    /* page is a gift */
+#define PIPE_BUF_FLAG_PACKET   0x08    /* read() as a packet */
 
 /**
  *     struct pipe_buffer - a linux kernel pipe buffer
index 98679b061b6382cbdffd0d979eb5e1e7dea61ea5..fa702aeb5038d40b096e61cc65ba1b8d54d7ef39 100644 (file)
@@ -254,7 +254,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
  *     driver is finished with this message, it must call
  *     spi_finalize_current_message() so the subsystem can issue the next
  *     transfer
- * @prepare_transfer_hardware: there are currently no more messages on the
+ * @unprepare_transfer_hardware: there are currently no more messages on the
  *     queue so the subsystem notifies the driver that it may relax the
  *     hardware by issuing this call
  *
index 5de415707c234f0e54939195062b5dc39f0a1c06..d28cc78a38e442e75e435c0dede140291c57ce2c 100644 (file)
@@ -126,6 +126,8 @@ struct usb_hcd {
        unsigned                wireless:1;     /* Wireless USB HCD */
        unsigned                authorized_default:1;
        unsigned                has_tt:1;       /* Integrated TT in root hub */
+       unsigned                broken_pci_sleep:1;     /* Don't put the
+                       controller in PCI-D3 for system sleep */
 
        unsigned int            irq;            /* irq allocated */
        void __iomem            *regs;          /* device memory/io */
index 03b90cdc1921aa7737427817066b8917edd0a808..06f8e38582512eb7be8713f5579887cdd559a813 100644 (file)
@@ -26,13 +26,14 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                PGFREE, PGACTIVATE, PGDEACTIVATE,
                PGFAULT, PGMAJFAULT,
                FOR_ALL_ZONES(PGREFILL),
-               FOR_ALL_ZONES(PGSTEAL),
+               FOR_ALL_ZONES(PGSTEAL_KSWAPD),
+               FOR_ALL_ZONES(PGSTEAL_DIRECT),
                FOR_ALL_ZONES(PGSCAN_KSWAPD),
                FOR_ALL_ZONES(PGSCAN_DIRECT),
 #ifdef CONFIG_NUMA
                PGSCAN_ZONE_RECLAIM_FAILED,
 #endif
-               PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
+               PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
                KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
                KSWAPD_SKIP_CONGESTION_WAIT,
                PAGEOUTRUN, ALLOCSTALL, PGROTATED,
index 5f5ed1b8b41bb7d28886895e7742cb80e16f6a8b..f4f1c96dca726ff2f00211994dcf7381ef55b5b0 100644 (file)
@@ -217,11 +217,29 @@ struct domain_device {
        struct kref kref;
 };
 
-struct sas_discovery_event {
+struct sas_work {
+       struct list_head drain_node;
        struct work_struct work;
+};
+
+static inline void INIT_SAS_WORK(struct sas_work *sw, void (*fn)(struct work_struct *))
+{
+       INIT_WORK(&sw->work, fn);
+       INIT_LIST_HEAD(&sw->drain_node);
+}
+
+struct sas_discovery_event {
+       struct sas_work work;
        struct asd_sas_port *port;
 };
 
+static inline struct sas_discovery_event *to_sas_discovery_event(struct work_struct *work)
+{
+       struct sas_discovery_event *ev = container_of(work, typeof(*ev), work.work);
+
+       return ev;
+}
+
 struct sas_discovery {
        struct sas_discovery_event disc_work[DISC_NUM_EVENTS];
        unsigned long    pending;
@@ -244,7 +262,7 @@ struct asd_sas_port {
        struct list_head destroy_list;
        enum   sas_linkrate linkrate;
 
-       struct work_struct work;
+       struct sas_work work;
 
 /* public: */
        int id;
@@ -270,10 +288,17 @@ struct asd_sas_port {
 };
 
 struct asd_sas_event {
-       struct work_struct work;
+       struct sas_work work;
        struct asd_sas_phy *phy;
 };
 
+static inline struct asd_sas_event *to_asd_sas_event(struct work_struct *work)
+{
+       struct asd_sas_event *ev = container_of(work, typeof(*ev), work.work);
+
+       return ev;
+}
+
 /* The phy pretty much is controlled by the LLDD.
  * The class only reads those fields.
  */
@@ -333,10 +358,17 @@ struct scsi_core {
 };
 
 struct sas_ha_event {
-       struct work_struct work;
+       struct sas_work work;
        struct sas_ha_struct *ha;
 };
 
+static inline struct sas_ha_event *to_sas_ha_event(struct work_struct *work)
+{
+       struct sas_ha_event *ev = container_of(work, typeof(*ev), work.work);
+
+       return ev;
+}
+
 enum sas_ha_state {
        SAS_HA_REGISTERED,
        SAS_HA_DRAINING,
index cdccd2eb7b6cd759003ecd11903d397a166bc87a..77670e823ed8e7926c617c6a736f6c427f3b437e 100644 (file)
@@ -37,7 +37,7 @@ static inline int dev_is_sata(struct domain_device *dev)
 }
 
 int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
-int sas_ata_init_host_and_port(struct domain_device *found_dev);
+int sas_ata_init(struct domain_device *dev);
 void sas_ata_task_abort(struct sas_task *task);
 void sas_ata_strategy_handler(struct Scsi_Host *shost);
 void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
@@ -52,7 +52,7 @@ static inline int dev_is_sata(struct domain_device *dev)
 {
        return 0;
 }
-static inline int sas_ata_init_host_and_port(struct domain_device *found_dev)
+static inline int sas_ata_init(struct domain_device *dev)
 {
        return 0;
 }
index 9d454f09f3b1522c850b99d31f517641e47a8503..44b2433334c749ed92d7e42e5938f840efd843c0 100644 (file)
@@ -225,13 +225,9 @@ static int __init loglevel(char *str)
 
 early_param("loglevel", loglevel);
 
-/*
- * Unknown boot options get handed to init, unless they look like
- * unused parameters (modprobe will find them in /proc/cmdline).
- */
-static int __init unknown_bootoption(char *param, char *val)
+/* Change NUL term back to "=", to make "param" the whole string. */
+static int __init repair_env_string(char *param, char *val)
 {
-       /* Change NUL term back to "=", to make "param" the whole string. */
        if (val) {
                /* param=val or param="val"? */
                if (val == param+strlen(param)+1)
@@ -243,6 +239,16 @@ static int __init unknown_bootoption(char *param, char *val)
                } else
                        BUG();
        }
+       return 0;
+}
+
+/*
+ * Unknown boot options get handed to init, unless they look like
+ * unused parameters (modprobe will find them in /proc/cmdline).
+ */
+static int __init unknown_bootoption(char *param, char *val)
+{
+       repair_env_string(param, val);
 
        /* Handle obsolete-style parameters */
        if (obsolete_checksetup(param))
@@ -732,11 +738,6 @@ static char *initcall_level_names[] __initdata = {
        "late parameters",
 };
 
-static int __init ignore_unknown_bootoption(char *param, char *val)
-{
-       return 0;
-}
-
 static void __init do_initcall_level(int level)
 {
        extern const struct kernel_param __start___param[], __stop___param[];
@@ -747,7 +748,7 @@ static void __init do_initcall_level(int level)
                   static_command_line, __start___param,
                   __stop___param - __start___param,
                   level, level,
-                  ignore_unknown_bootoption);
+                  repair_env_string);
 
        for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)
                do_one_initcall(*fn);
index a6a9ec4cd8f583d640ab0da9e4941b19fe8fd990..fd126f82b57cc77db01c5fd42e3e30b230d98a30 100644 (file)
@@ -3183,7 +3183,7 @@ static void perf_event_for_each(struct perf_event *event,
        perf_event_for_each_child(event, func);
        func(event);
        list_for_each_entry(sibling, &event->sibling_list, group_entry)
-               perf_event_for_each_child(event, func);
+               perf_event_for_each_child(sibling, func);
        mutex_unlock(&ctx->mutex);
 }
 
index 97a8bfadc88a0cec4192bd457e18a54aca159cf0..e75e29e4434a9073b0d05f39903df2cf7f4c2d10 100644 (file)
@@ -4,10 +4,10 @@
 
 #include <linux/kallsyms.h>
 
-#define P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
-#define PS(f) if (desc->istate & f) printk("%14s set\n", #f)
+#define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
+#define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
 /* FIXME */
-#define PD(f) do { } while (0)
+#define ___PD(f) do { } while (0)
 
 static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
 {
@@ -23,23 +23,23 @@ static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
                print_symbol("%s\n", (unsigned long)desc->action->handler);
        }
 
-       P(IRQ_LEVEL);
-       P(IRQ_PER_CPU);
-       P(IRQ_NOPROBE);
-       P(IRQ_NOREQUEST);
-       P(IRQ_NOTHREAD);
-       P(IRQ_NOAUTOEN);
+       ___P(IRQ_LEVEL);
+       ___P(IRQ_PER_CPU);
+       ___P(IRQ_NOPROBE);
+       ___P(IRQ_NOREQUEST);
+       ___P(IRQ_NOTHREAD);
+       ___P(IRQ_NOAUTOEN);
 
-       PS(IRQS_AUTODETECT);
-       PS(IRQS_REPLAY);
-       PS(IRQS_WAITING);
-       PS(IRQS_PENDING);
+       ___PS(IRQS_AUTODETECT);
+       ___PS(IRQS_REPLAY);
+       ___PS(IRQS_WAITING);
+       ___PS(IRQS_PENDING);
 
-       PD(IRQS_INPROGRESS);
-       PD(IRQS_DISABLED);
-       PD(IRQS_MASKED);
+       ___PD(IRQS_INPROGRESS);
+       ___PD(IRQS_DISABLED);
+       ___PD(IRQS_MASKED);
 }
 
-#undef P
-#undef PS
-#undef PD
+#undef ___P
+#undef ___PS
+#undef ___PD
index 8742fd013a94e3b56efdbf91cf27c709679615e4..eef311a58a649821f60532602a085f2a79b014bc 100644 (file)
 
 #define MAP_PAGE_ENTRIES       (PAGE_SIZE / sizeof(sector_t) - 1)
 
+/*
+ * Number of free pages that are not high.
+ */
+static inline unsigned long low_free_pages(void)
+{
+       return nr_free_pages() - nr_free_highpages();
+}
+
+/*
+ * Number of pages required to be kept free while writing the image. Always
+ * half of all available low pages before the writing starts.
+ */
+static inline unsigned long reqd_free_pages(void)
+{
+       return low_free_pages() / 2;
+}
+
 struct swap_map_page {
        sector_t entries[MAP_PAGE_ENTRIES];
        sector_t next_swap;
@@ -72,7 +89,7 @@ struct swap_map_handle {
        sector_t cur_swap;
        sector_t first_sector;
        unsigned int k;
-       unsigned long nr_free_pages, written;
+       unsigned long reqd_free_pages;
        u32 crc32;
 };
 
@@ -316,8 +333,7 @@ static int get_swap_writer(struct swap_map_handle *handle)
                goto err_rel;
        }
        handle->k = 0;
-       handle->nr_free_pages = nr_free_pages() >> 1;
-       handle->written = 0;
+       handle->reqd_free_pages = reqd_free_pages();
        handle->first_sector = handle->cur_swap;
        return 0;
 err_rel:
@@ -352,11 +368,11 @@ static int swap_write_page(struct swap_map_handle *handle, void *buf,
                handle->cur_swap = offset;
                handle->k = 0;
        }
-       if (bio_chain && ++handle->written > handle->nr_free_pages) {
+       if (bio_chain && low_free_pages() <= handle->reqd_free_pages) {
                error = hib_wait_on_bio_chain(bio_chain);
                if (error)
                        goto out;
-               handle->written = 0;
+               handle->reqd_free_pages = reqd_free_pages();
        }
  out:
        return error;
@@ -618,7 +634,7 @@ static int save_image_lzo(struct swap_map_handle *handle,
         * Adjust number of free pages after all allocations have been done.
         * We don't want to run out of pages when writing.
         */
-       handle->nr_free_pages = nr_free_pages() >> 1;
+       handle->reqd_free_pages = reqd_free_pages();
 
        /*
         * Start the CRC32 thread.
index 1050d6d3922c182f09bfe602ee07e3a185f4be80..d0c5baf1ab18a254753f2d3c2eb5ba2cf56202b6 100644 (file)
@@ -1820,7 +1820,6 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu),
         * a quiescent state betweentimes.
         */
        local_irq_save(flags);
-       WARN_ON_ONCE(cpu_is_offline(smp_processor_id()));
        rdp = this_cpu_ptr(rsp->rda);
 
        /* Add the callback to our list. */
index 4603b9d8f30a362d15dc60e4bd0cd659fd7c3f89..0533a688ce22fc378dc66a02e901132049ee8efd 100644 (file)
@@ -6405,16 +6405,26 @@ static void __sdt_free(const struct cpumask *cpu_map)
                struct sd_data *sdd = &tl->data;
 
                for_each_cpu(j, cpu_map) {
-                       struct sched_domain *sd = *per_cpu_ptr(sdd->sd, j);
-                       if (sd && (sd->flags & SD_OVERLAP))
-                               free_sched_groups(sd->groups, 0);
-                       kfree(*per_cpu_ptr(sdd->sd, j));
-                       kfree(*per_cpu_ptr(sdd->sg, j));
-                       kfree(*per_cpu_ptr(sdd->sgp, j));
+                       struct sched_domain *sd;
+
+                       if (sdd->sd) {
+                               sd = *per_cpu_ptr(sdd->sd, j);
+                               if (sd && (sd->flags & SD_OVERLAP))
+                                       free_sched_groups(sd->groups, 0);
+                               kfree(*per_cpu_ptr(sdd->sd, j));
+                       }
+
+                       if (sdd->sg)
+                               kfree(*per_cpu_ptr(sdd->sg, j));
+                       if (sdd->sgp)
+                               kfree(*per_cpu_ptr(sdd->sgp, j));
                }
                free_percpu(sdd->sd);
+               sdd->sd = NULL;
                free_percpu(sdd->sg);
+               sdd->sg = NULL;
                free_percpu(sdd->sgp);
+               sdd->sgp = NULL;
        }
 }
 
index 0d97ebdc58f078f821a59c29965509a5e47f02f5..e9553640c1c3b679b6ae80b6ff4446b05b486c4b 100644 (file)
@@ -784,7 +784,7 @@ account_entity_enqueue(struct cfs_rq *cfs_rq, struct sched_entity *se)
                update_load_add(&rq_of(cfs_rq)->load, se->load.weight);
 #ifdef CONFIG_SMP
        if (entity_is_task(se))
-               list_add_tail(&se->group_node, &rq_of(cfs_rq)->cfs_tasks);
+               list_add(&se->group_node, &rq_of(cfs_rq)->cfs_tasks);
 #endif
        cfs_rq->nr_running++;
 }
@@ -3215,6 +3215,8 @@ static int move_one_task(struct lb_env *env)
 
 static unsigned long task_h_load(struct task_struct *p);
 
+static const unsigned int sched_nr_migrate_break = 32;
+
 /*
  * move_tasks tries to move up to load_move weighted load from busiest to
  * this_rq, as part of a balancing operation within domain "sd".
@@ -3242,7 +3244,7 @@ static int move_tasks(struct lb_env *env)
 
                /* take a breather every nr_migrate tasks */
                if (env->loop > env->loop_break) {
-                       env->loop_break += sysctl_sched_nr_migrate;
+                       env->loop_break += sched_nr_migrate_break;
                        env->flags |= LBF_NEED_BREAK;
                        break;
                }
@@ -3252,7 +3254,7 @@ static int move_tasks(struct lb_env *env)
 
                load = task_h_load(p);
 
-               if (load < 16 && !env->sd->nr_balance_failed)
+               if (sched_feat(LB_MIN) && load < 16 && !env->sd->nr_balance_failed)
                        goto next;
 
                if ((load / 2) > env->load_move)
@@ -4407,7 +4409,7 @@ static int load_balance(int this_cpu, struct rq *this_rq,
                .dst_cpu        = this_cpu,
                .dst_rq         = this_rq,
                .idle           = idle,
-               .loop_break     = sysctl_sched_nr_migrate,
+               .loop_break     = sched_nr_migrate_break,
        };
 
        cpumask_copy(cpus, cpu_active_mask);
@@ -4445,10 +4447,10 @@ redo:
                 * correctly treated as an imbalance.
                 */
                env.flags |= LBF_ALL_PINNED;
-               env.load_move = imbalance;
-               env.src_cpu = busiest->cpu;
-               env.src_rq = busiest;
-               env.loop_max = busiest->nr_running;
+               env.load_move   = imbalance;
+               env.src_cpu     = busiest->cpu;
+               env.src_rq      = busiest;
+               env.loop_max    = min_t(unsigned long, sysctl_sched_nr_migrate, busiest->nr_running);
 
 more_balance:
                local_irq_save(flags);
index e61fd73913d0613d7fc66a3f8e7dec5c6a55b58b..de00a486c5c693ac7038fa3c5dd139e642a1c307 100644 (file)
@@ -68,3 +68,4 @@ SCHED_FEAT(TTWU_QUEUE, true)
 
 SCHED_FEAT(FORCE_SD_OVERLAP, false)
 SCHED_FEAT(RT_RUNTIME_SHARE, true)
+SCHED_FEAT(LB_MIN, false)
index bf57abdc7bd04dbf2c8f16d5dbd3ee07e688383d..f113755695e2351ad9f32b7e38a808e98c0ad5f4 100644 (file)
@@ -346,7 +346,8 @@ int tick_resume_broadcast(void)
                                                     tick_get_broadcast_mask());
                        break;
                case TICKDEV_MODE_ONESHOT:
-                       broadcast = tick_resume_broadcast_oneshot(bc);
+                       if (!cpumask_empty(tick_get_broadcast_mask()))
+                               broadcast = tick_resume_broadcast_oneshot(bc);
                        break;
                }
        }
@@ -373,6 +374,9 @@ static int tick_broadcast_set_event(ktime_t expires, int force)
 {
        struct clock_event_device *bc = tick_broadcast_device.evtdev;
 
+       if (bc->mode != CLOCK_EVT_MODE_ONESHOT)
+               clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
+
        return clockevents_program_event(bc, expires, force);
 }
 
@@ -531,7 +535,6 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
                int was_periodic = bc->mode == CLOCK_EVT_MODE_PERIODIC;
 
                bc->event_handler = tick_handle_oneshot_broadcast;
-               clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
 
                /* Take the do_timer update */
                tick_do_timer_cpu = cpu;
@@ -549,6 +552,7 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc)
                           to_cpumask(tmpmask));
 
                if (was_periodic && !cpumask_empty(to_cpumask(tmpmask))) {
+                       clockevents_set_mode(bc, CLOCK_EVT_MODE_ONESHOT);
                        tick_broadcast_init_next_event(to_cpumask(tmpmask),
                                                       tick_next_period);
                        tick_broadcast_set_event(tick_next_period, 1);
@@ -577,15 +581,10 @@ void tick_broadcast_switch_to_oneshot(void)
        raw_spin_lock_irqsave(&tick_broadcast_lock, flags);
 
        tick_broadcast_device.mode = TICKDEV_MODE_ONESHOT;
-
-       if (cpumask_empty(tick_get_broadcast_mask()))
-               goto end;
-
        bc = tick_broadcast_device.evtdev;
        if (bc)
                tick_broadcast_setup_oneshot(bc);
 
-end:
        raw_spin_unlock_irqrestore(&tick_broadcast_lock, flags);
 }
 
index ed7b5d1e12f468168178b1a3c144d9736e0b4614..2a22255c10101c7a55939955a04a9834bbbb940a 100644 (file)
@@ -4629,7 +4629,8 @@ static ssize_t
 rb_simple_read(struct file *filp, char __user *ubuf,
               size_t cnt, loff_t *ppos)
 {
-       struct ring_buffer *buffer = filp->private_data;
+       struct trace_array *tr = filp->private_data;
+       struct ring_buffer *buffer = tr->buffer;
        char buf[64];
        int r;
 
@@ -4647,7 +4648,8 @@ static ssize_t
 rb_simple_write(struct file *filp, const char __user *ubuf,
                size_t cnt, loff_t *ppos)
 {
-       struct ring_buffer *buffer = filp->private_data;
+       struct trace_array *tr = filp->private_data;
+       struct ring_buffer *buffer = tr->buffer;
        unsigned long val;
        int ret;
 
@@ -4734,7 +4736,7 @@ static __init int tracer_init_debugfs(void)
                          &trace_clock_fops);
 
        trace_create_file("tracing_on", 0644, d_tracer,
-                           global_trace.buffer, &rb_simple_fops);
+                           &global_trace, &rb_simple_fops);
 
 #ifdef CONFIG_DYNAMIC_FTRACE
        trace_create_file("dyn_ftrace_total_info", 0444, d_tracer,
index 95059f091a242abcfd60bbe9169131e7870e4a2c..f95d65da6db8acaba3498616bbac09643d48ed47 100644 (file)
@@ -836,11 +836,11 @@ extern const char *__stop___trace_bprintk_fmt[];
                     filter)
 #include "trace_entries.h"
 
-#ifdef CONFIG_FUNCTION_TRACER
+#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_FUNCTION_TRACER)
 int perf_ftrace_event_register(struct ftrace_event_call *call,
                               enum trace_reg type, void *data);
 #else
 #define perf_ftrace_event_register NULL
-#endif /* CONFIG_FUNCTION_TRACER */
+#endif
 
 #endif /* _LINUX_KERNEL_TRACE_H */
index 859fae6b18253e9d31331222c138e318397ab0d1..df611a0e76c55b0d47febf4312874e839114bb13 100644 (file)
@@ -652,6 +652,8 @@ int trace_print_lat_context(struct trace_iterator *iter)
 {
        u64 next_ts;
        int ret;
+       /* trace_find_next_entry will reset ent_size */
+       int ent_size = iter->ent_size;
        struct trace_seq *s = &iter->seq;
        struct trace_entry *entry = iter->ent,
                           *next_entry = trace_find_next_entry(iter, NULL,
@@ -660,6 +662,9 @@ int trace_print_lat_context(struct trace_iterator *iter)
        unsigned long abs_usecs = ns2usecs(iter->ts - iter->tr->time_start);
        unsigned long rel_usecs;
 
+       /* Restore the original ent_size */
+       iter->ent_size = ent_size;
+
        if (!next_entry)
                next_ts = iter->ts;
        rel_usecs = ns2usecs(next_ts - iter->ts);
index cd65cb19c941b2bf04cb86777cb8312ecad6c0ae..5a16423a512c4a7f0192d0f10af806473c25b0b9 100644 (file)
@@ -532,7 +532,7 @@ static struct page *dequeue_huge_page_vma(struct hstate *h,
                                struct vm_area_struct *vma,
                                unsigned long address, int avoid_reserve)
 {
-       struct page *page;
+       struct page *page = NULL;
        struct mempolicy *mpol;
        nodemask_t *nodemask;
        struct zonelist *zonelist;
index b868def9bcc1e1f20c05406b1e9b90e0eae5d182..31ab9c3f0178d3f7193d5e2b6e6935926cf1d48d 100644 (file)
@@ -2476,10 +2476,10 @@ struct mem_cgroup *try_get_mem_cgroup_from_page(struct page *page)
 static void __mem_cgroup_commit_charge(struct mem_cgroup *memcg,
                                       struct page *page,
                                       unsigned int nr_pages,
-                                      struct page_cgroup *pc,
                                       enum charge_type ctype,
                                       bool lrucare)
 {
+       struct page_cgroup *pc = lookup_page_cgroup(page);
        struct zone *uninitialized_var(zone);
        bool was_on_lru = false;
        bool anon;
@@ -2716,7 +2716,6 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
 {
        struct mem_cgroup *memcg = NULL;
        unsigned int nr_pages = 1;
-       struct page_cgroup *pc;
        bool oom = true;
        int ret;
 
@@ -2730,11 +2729,10 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
                oom = false;
        }
 
-       pc = lookup_page_cgroup(page);
        ret = __mem_cgroup_try_charge(mm, gfp_mask, nr_pages, &memcg, oom);
        if (ret == -ENOMEM)
                return ret;
-       __mem_cgroup_commit_charge(memcg, page, nr_pages, pc, ctype, false);
+       __mem_cgroup_commit_charge(memcg, page, nr_pages, ctype, false);
        return 0;
 }
 
@@ -2831,16 +2829,13 @@ static void
 __mem_cgroup_commit_charge_swapin(struct page *page, struct mem_cgroup *memcg,
                                        enum charge_type ctype)
 {
-       struct page_cgroup *pc;
-
        if (mem_cgroup_disabled())
                return;
        if (!memcg)
                return;
        cgroup_exclude_rmdir(&memcg->css);
 
-       pc = lookup_page_cgroup(page);
-       __mem_cgroup_commit_charge(memcg, page, 1, pc, ctype, true);
+       __mem_cgroup_commit_charge(memcg, page, 1, ctype, true);
        /*
         * Now swap is on-memory. This means this page may be
         * counted both as mem and swap....double count.
@@ -3298,14 +3293,13 @@ int mem_cgroup_prepare_migration(struct page *page,
         * page. In the case new page is migrated but not remapped, new page's
         * mapcount will be finally 0 and we call uncharge in end_migration().
         */
-       pc = lookup_page_cgroup(newpage);
        if (PageAnon(page))
                ctype = MEM_CGROUP_CHARGE_TYPE_MAPPED;
        else if (page_is_file_cache(page))
                ctype = MEM_CGROUP_CHARGE_TYPE_CACHE;
        else
                ctype = MEM_CGROUP_CHARGE_TYPE_SHMEM;
-       __mem_cgroup_commit_charge(memcg, newpage, 1, pc, ctype, false);
+       __mem_cgroup_commit_charge(memcg, newpage, 1, ctype, false);
        return ret;
 }
 
@@ -3392,8 +3386,7 @@ void mem_cgroup_replace_page_cache(struct page *oldpage,
         * the newpage may be on LRU(or pagevec for LRU) already. We lock
         * LRU while we overwrite pc->mem_cgroup.
         */
-       pc = lookup_page_cgroup(newpage);
-       __mem_cgroup_commit_charge(memcg, newpage, 1, pc, type, true);
+       __mem_cgroup_commit_charge(memcg, newpage, 1, type, true);
 }
 
 #ifdef CONFIG_DEBUG_VM
index cfb6c8678754fdb3baf411e2331e87ea64766fb2..b19569137529221163e6b51bd96e3a161805a97f 100644 (file)
@@ -1361,11 +1361,14 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode,
 
        mm = get_task_mm(task);
        put_task_struct(task);
-       if (mm)
-               err = do_migrate_pages(mm, old, new,
-                       capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
-       else
+
+       if (!mm) {
                err = -EINVAL;
+               goto out;
+       }
+
+       err = do_migrate_pages(mm, old, new,
+               capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE);
 
        mmput(mm);
 out:
index 51c08a0c6f68ac6e78d09568bd270ad95aac7622..11072383ae12e5698498be5b3da5b8d991192535 100644 (file)
@@ -1388,14 +1388,14 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages,
        mm = get_task_mm(task);
        put_task_struct(task);
 
-       if (mm) {
-               if (nodes)
-                       err = do_pages_move(mm, task_nodes, nr_pages, pages,
-                                           nodes, status, flags);
-               else
-                       err = do_pages_stat(mm, nr_pages, pages, status);
-       else
-               err = -EINVAL;
+       if (!mm)
+               return -EINVAL;
+
+       if (nodes)
+               err = do_pages_move(mm, task_nodes, nr_pages, pages,
+                                   nodes, status, flags);
+       else
+               err = do_pages_stat(mm, nr_pages, pages, status);
 
        mmput(mm);
        return err;
index 24f0fc1a56d60ebbbacf1950ac0ebec7067dbf41..e53bb8a256b196018c26899427897a0f471d8193 100644 (file)
@@ -298,13 +298,19 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
        if (WARN_ON_ONCE(slab_is_available()))
                return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
 
+again:
        ptr = __alloc_memory_core_early(pgdat->node_id, size, align,
                                         goal, -1ULL);
        if (ptr)
                return ptr;
 
-       return __alloc_memory_core_early(MAX_NUMNODES, size, align,
-                                        goal, -1ULL);
+       ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align,
+                                       goal, -1ULL);
+       if (!ptr && goal) {
+               goal = 0;
+               goto again;
+       }
+       return ptr;
 }
 
 void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
index 9d3dd3763cf763460b0f4f17b7ff630e5c8115c0..4c5ff7f284d9b299d7ea9cf3b7bfe374550ce5ca 100644 (file)
@@ -26,7 +26,7 @@
  */
 static const struct address_space_operations swap_aops = {
        .writepage      = swap_writepage,
-       .set_page_dirty = __set_page_dirty_nobuffers,
+       .set_page_dirty = __set_page_dirty_no_writeback,
        .migratepage    = migrate_page,
 };
 
index 1a518684a32f0a55e516dc642c7284ee44ae803f..33dc256033b5020c3679a4578af854c640fc826a 100644 (file)
@@ -1568,9 +1568,14 @@ shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz,
        reclaim_stat->recent_scanned[0] += nr_anon;
        reclaim_stat->recent_scanned[1] += nr_file;
 
-       if (current_is_kswapd())
-               __count_vm_events(KSWAPD_STEAL, nr_reclaimed);
-       __count_zone_vm_events(PGSTEAL, zone, nr_reclaimed);
+       if (global_reclaim(sc)) {
+               if (current_is_kswapd())
+                       __count_zone_vm_events(PGSTEAL_KSWAPD, zone,
+                                              nr_reclaimed);
+               else
+                       __count_zone_vm_events(PGSTEAL_DIRECT, zone,
+                                              nr_reclaimed);
+       }
 
        putback_inactive_pages(mz, &page_list);
 
index f600557a76596231ef659fdff0c9f2ea8aed71ae..7db1b9bab4929d13b3b23dbe7b08c2c782e66ab1 100644 (file)
@@ -738,7 +738,8 @@ const char * const vmstat_text[] = {
        "pgmajfault",
 
        TEXTS_FOR_ZONES("pgrefill")
-       TEXTS_FOR_ZONES("pgsteal")
+       TEXTS_FOR_ZONES("pgsteal_kswapd")
+       TEXTS_FOR_ZONES("pgsteal_direct")
        TEXTS_FOR_ZONES("pgscan_kswapd")
        TEXTS_FOR_ZONES("pgscan_direct")
 
@@ -747,7 +748,6 @@ const char * const vmstat_text[] = {
 #endif
        "pginodesteal",
        "slabs_scanned",
-       "kswapd_steal",
        "kswapd_inodesteal",
        "kswapd_low_wmark_hit_quickly",
        "kswapd_high_wmark_hit_quickly",
index 8adfc88e793a72308f72012bd30e447cd40dd6bf..3d6498af9adc1a1035005c735ee932de6488bee3 100644 (file)
@@ -75,19 +75,20 @@ static struct pernet_operations sunrpc_net_ops = {
 static int __init
 init_sunrpc(void)
 {
-       int err = register_rpc_pipefs();
+       int err = rpc_init_mempool();
        if (err)
                goto out;
-       err = rpc_init_mempool();
-       if (err)
-               goto out2;
        err = rpcauth_init_module();
        if (err)
-               goto out3;
+               goto out2;
 
        cache_initialize();
 
        err = register_pernet_subsys(&sunrpc_net_ops);
+       if (err)
+               goto out3;
+
+       err = register_rpc_pipefs();
        if (err)
                goto out4;
 #ifdef RPC_DEBUG
@@ -98,11 +99,11 @@ init_sunrpc(void)
        return 0;
 
 out4:
-       rpcauth_remove_module();
+       unregister_pernet_subsys(&sunrpc_net_ops);
 out3:
-       rpc_destroy_mempool();
+       rpcauth_remove_module();
 out2:
-       unregister_rpc_pipefs();
+       rpc_destroy_mempool();
 out:
        return err;
 }
index 8e730ccc3f2b22d55e7b716cf20298da4e9b7475..44ddaa542db6fbb6612560ac312b65ffca330b4c 100644 (file)
@@ -1100,6 +1100,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
        if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections)
                return;
 
+       /* We're looking for an object */
+       if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT)
+               return;
+
        /* All our symbols are of form <prefix>__mod_XXX_device_table. */
        name = strstr(symname, "__mod_");
        if (!name)
index e65e3543305568a9ab910057502ba583f656e724..818f90bc7d57c6fc78bc0ede0372e976b2db7cf3 100644 (file)
@@ -6109,6 +6109,7 @@ static const struct alc_fixup alc269_fixups[] = {
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_MIC2_MUTE_LED),
+       SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_DMIC),
        SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
        SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
        SND_PCI_QUIRK(0x1043, 0x831a, "ASUS P901", ALC269_FIXUP_STEREO_DMIC),
index 78979b3e0e95ad41c3af9836889e03a422da00ec..07c44b71f096067a3ffa6c5dd27aa0d36322984c 100644 (file)
@@ -929,6 +929,8 @@ static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
 
        /* MCLKX -> MCLK */
        mclkx_coeff = cs42l73_get_mclkx_coeff(freq);
+       if (mclkx_coeff < 0)
+               return mclkx_coeff;
 
        mclk = cs42l73_mclkx_coeffs[mclkx_coeff].mclkx /
                cs42l73_mclkx_coeffs[mclkx_coeff].ratio;
index 7c49642af05249197f233c94832a16e6792200f5..6c1fe3afd4b59311686ce3c9e2940cf5d223b1ed 100644 (file)
@@ -1000,61 +1000,170 @@ static void wm8994_update_class_w(struct snd_soc_codec *codec)
        }
 }
 
-static int late_enable_ev(struct snd_soc_dapm_widget *w,
-                         struct snd_kcontrol *kcontrol, int event)
+static int aif1clk_ev(struct snd_soc_dapm_widget *w,
+                     struct snd_kcontrol *kcontrol, int event)
 {
        struct snd_soc_codec *codec = w->codec;
-       struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+       struct wm8994 *control = codec->control_data;
+       int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
+       int dac;
+       int adc;
+       int val;
+
+       switch (control->type) {
+       case WM8994:
+       case WM8958:
+               mask |= WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA;
+               break;
+       default:
+               break;
+       }
 
        switch (event) {
        case SND_SOC_DAPM_PRE_PMU:
-               if (wm8994->aif1clk_enable) {
-                       snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
-                                           WM8994_AIF1CLK_ENA_MASK,
-                                           WM8994_AIF1CLK_ENA);
-                       wm8994->aif1clk_enable = 0;
-               }
-               if (wm8994->aif2clk_enable) {
-                       snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
-                                           WM8994_AIF2CLK_ENA_MASK,
-                                           WM8994_AIF2CLK_ENA);
-                       wm8994->aif2clk_enable = 0;
-               }
+               val = snd_soc_read(codec, WM8994_AIF1_CONTROL_1);
+               if ((val & WM8994_AIF1ADCL_SRC) &&
+                   (val & WM8994_AIF1ADCR_SRC))
+                       adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA;
+               else if (!(val & WM8994_AIF1ADCL_SRC) &&
+                        !(val & WM8994_AIF1ADCR_SRC))
+                       adc = WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
+               else
+                       adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA |
+                               WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
+
+               val = snd_soc_read(codec, WM8994_AIF1_CONTROL_2);
+               if ((val & WM8994_AIF1DACL_SRC) &&
+                   (val & WM8994_AIF1DACR_SRC))
+                       dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA;
+               else if (!(val & WM8994_AIF1DACL_SRC) &&
+                        !(val & WM8994_AIF1DACR_SRC))
+                       dac = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
+               else
+                       dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA |
+                               WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
+
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
+                                   mask, adc);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+                                   mask, dac);
+               snd_soc_update_bits(codec, WM8994_CLOCKING_1,
+                                   WM8994_AIF1DSPCLK_ENA |
+                                   WM8994_SYSDSPCLK_ENA,
+                                   WM8994_AIF1DSPCLK_ENA |
+                                   WM8994_SYSDSPCLK_ENA);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4, mask,
+                                   WM8994_AIF1ADC1R_ENA |
+                                   WM8994_AIF1ADC1L_ENA |
+                                   WM8994_AIF1ADC2R_ENA |
+                                   WM8994_AIF1ADC2L_ENA);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5, mask,
+                                   WM8994_AIF1DAC1R_ENA |
+                                   WM8994_AIF1DAC1L_ENA |
+                                   WM8994_AIF1DAC2R_ENA |
+                                   WM8994_AIF1DAC2L_ENA);
                break;
-       }
 
-       /* We may also have postponed startup of DSP, handle that. */
-       wm8958_aif_ev(w, kcontrol, event);
+       case SND_SOC_DAPM_PRE_PMD:
+       case SND_SOC_DAPM_POST_PMD:
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+                                   mask, 0);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
+                                   mask, 0);
+
+               val = snd_soc_read(codec, WM8994_CLOCKING_1);
+               if (val & WM8994_AIF2DSPCLK_ENA)
+                       val = WM8994_SYSDSPCLK_ENA;
+               else
+                       val = 0;
+               snd_soc_update_bits(codec, WM8994_CLOCKING_1,
+                                   WM8994_SYSDSPCLK_ENA |
+                                   WM8994_AIF1DSPCLK_ENA, val);
+               break;
+       }
 
        return 0;
 }
 
-static int late_disable_ev(struct snd_soc_dapm_widget *w,
-                          struct snd_kcontrol *kcontrol, int event)
+static int aif2clk_ev(struct snd_soc_dapm_widget *w,
+                     struct snd_kcontrol *kcontrol, int event)
 {
        struct snd_soc_codec *codec = w->codec;
-       struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+       int dac;
+       int adc;
+       int val;
 
        switch (event) {
+       case SND_SOC_DAPM_PRE_PMU:
+               val = snd_soc_read(codec, WM8994_AIF2_CONTROL_1);
+               if ((val & WM8994_AIF2ADCL_SRC) &&
+                   (val & WM8994_AIF2ADCR_SRC))
+                       adc = WM8994_AIF2ADCR_ENA;
+               else if (!(val & WM8994_AIF2ADCL_SRC) &&
+                        !(val & WM8994_AIF2ADCR_SRC))
+                       adc = WM8994_AIF2ADCL_ENA;
+               else
+                       adc = WM8994_AIF2ADCL_ENA | WM8994_AIF2ADCR_ENA;
+
+
+               val = snd_soc_read(codec, WM8994_AIF2_CONTROL_2);
+               if ((val & WM8994_AIF2DACL_SRC) &&
+                   (val & WM8994_AIF2DACR_SRC))
+                       dac = WM8994_AIF2DACR_ENA;
+               else if (!(val & WM8994_AIF2DACL_SRC) &&
+                        !(val & WM8994_AIF2DACR_SRC))
+                       dac = WM8994_AIF2DACL_ENA;
+               else
+                       dac = WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA;
+
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
+                                   WM8994_AIF2ADCL_ENA |
+                                   WM8994_AIF2ADCR_ENA, adc);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+                                   WM8994_AIF2DACL_ENA |
+                                   WM8994_AIF2DACR_ENA, dac);
+               snd_soc_update_bits(codec, WM8994_CLOCKING_1,
+                                   WM8994_AIF2DSPCLK_ENA |
+                                   WM8994_SYSDSPCLK_ENA,
+                                   WM8994_AIF2DSPCLK_ENA |
+                                   WM8994_SYSDSPCLK_ENA);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_4,
+                                   WM8994_AIF2ADCL_ENA |
+                                   WM8994_AIF2ADCR_ENA,
+                                   WM8994_AIF2ADCL_ENA |
+                                   WM8994_AIF2ADCR_ENA);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+                                   WM8994_AIF2DACL_ENA |
+                                   WM8994_AIF2DACR_ENA,
+                                   WM8994_AIF2DACL_ENA |
+                                   WM8994_AIF2DACR_ENA);
+               break;
+
+       case SND_SOC_DAPM_PRE_PMD:
        case SND_SOC_DAPM_POST_PMD:
-               if (wm8994->aif1clk_disable) {
-                       snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
-                                           WM8994_AIF1CLK_ENA_MASK, 0);
-                       wm8994->aif1clk_disable = 0;
-               }
-               if (wm8994->aif2clk_disable) {
-                       snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
-                                           WM8994_AIF2CLK_ENA_MASK, 0);
-                       wm8994->aif2clk_disable = 0;
-               }
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+                                   WM8994_AIF2DACL_ENA |
+                                   WM8994_AIF2DACR_ENA, 0);
+               snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_5,
+                                   WM8994_AIF2ADCL_ENA |
+                                   WM8994_AIF2ADCR_ENA, 0);
+
+               val = snd_soc_read(codec, WM8994_CLOCKING_1);
+               if (val & WM8994_AIF1DSPCLK_ENA)
+                       val = WM8994_SYSDSPCLK_ENA;
+               else
+                       val = 0;
+               snd_soc_update_bits(codec, WM8994_CLOCKING_1,
+                                   WM8994_SYSDSPCLK_ENA |
+                                   WM8994_AIF2DSPCLK_ENA, val);
                break;
        }
 
        return 0;
 }
 
-static int aif1clk_ev(struct snd_soc_dapm_widget *w,
-                     struct snd_kcontrol *kcontrol, int event)
+static int aif1clk_late_ev(struct snd_soc_dapm_widget *w,
+                          struct snd_kcontrol *kcontrol, int event)
 {
        struct snd_soc_codec *codec = w->codec;
        struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
@@ -1071,8 +1180,8 @@ static int aif1clk_ev(struct snd_soc_dapm_widget *w,
        return 0;
 }
 
-static int aif2clk_ev(struct snd_soc_dapm_widget *w,
-                     struct snd_kcontrol *kcontrol, int event)
+static int aif2clk_late_ev(struct snd_soc_dapm_widget *w,
+                          struct snd_kcontrol *kcontrol, int event)
 {
        struct snd_soc_codec *codec = w->codec;
        struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
@@ -1089,6 +1198,63 @@ static int aif2clk_ev(struct snd_soc_dapm_widget *w,
        return 0;
 }
 
+static int late_enable_ev(struct snd_soc_dapm_widget *w,
+                         struct snd_kcontrol *kcontrol, int event)
+{
+       struct snd_soc_codec *codec = w->codec;
+       struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+       switch (event) {
+       case SND_SOC_DAPM_PRE_PMU:
+               if (wm8994->aif1clk_enable) {
+                       aif1clk_ev(w, kcontrol, event);
+                       snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
+                                           WM8994_AIF1CLK_ENA_MASK,
+                                           WM8994_AIF1CLK_ENA);
+                       wm8994->aif1clk_enable = 0;
+               }
+               if (wm8994->aif2clk_enable) {
+                       aif2clk_ev(w, kcontrol, event);
+                       snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
+                                           WM8994_AIF2CLK_ENA_MASK,
+                                           WM8994_AIF2CLK_ENA);
+                       wm8994->aif2clk_enable = 0;
+               }
+               break;
+       }
+
+       /* We may also have postponed startup of DSP, handle that. */
+       wm8958_aif_ev(w, kcontrol, event);
+
+       return 0;
+}
+
+static int late_disable_ev(struct snd_soc_dapm_widget *w,
+                          struct snd_kcontrol *kcontrol, int event)
+{
+       struct snd_soc_codec *codec = w->codec;
+       struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+       switch (event) {
+       case SND_SOC_DAPM_POST_PMD:
+               if (wm8994->aif1clk_disable) {
+                       snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1,
+                                           WM8994_AIF1CLK_ENA_MASK, 0);
+                       aif1clk_ev(w, kcontrol, event);
+                       wm8994->aif1clk_disable = 0;
+               }
+               if (wm8994->aif2clk_disable) {
+                       snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1,
+                                           WM8994_AIF2CLK_ENA_MASK, 0);
+                       aif2clk_ev(w, kcontrol, event);
+                       wm8994->aif2clk_disable = 0;
+               }
+               break;
+       }
+
+       return 0;
+}
+
 static int adc_mux_ev(struct snd_soc_dapm_widget *w,
                      struct snd_kcontrol *kcontrol, int event)
 {
@@ -1385,9 +1551,9 @@ static const struct snd_kcontrol_new aif2dacr_src_mux =
        SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
 
 static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
-SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_ev,
+SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_late_ev,
        SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
-SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_ev,
+SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_late_ev,
        SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
 
 SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
@@ -1416,8 +1582,10 @@ SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
 };
 
 static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
-SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, NULL, 0),
-SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, aif1clk_ev,
+                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
+SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, aif2clk_ev,
+                   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
 SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
                   left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
@@ -1470,30 +1638,30 @@ SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, vmid_event,
 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
                    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 
-SND_SOC_DAPM_SUPPLY("DSP1CLK", WM8994_CLOCKING_1, 3, 0, NULL, 0),
-SND_SOC_DAPM_SUPPLY("DSP2CLK", WM8994_CLOCKING_1, 2, 0, NULL, 0),
-SND_SOC_DAPM_SUPPLY("DSPINTCLK", WM8994_CLOCKING_1, 1, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("DSP1CLK", SND_SOC_NOPM, 3, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("DSP2CLK", SND_SOC_NOPM, 2, 0, NULL, 0),
+SND_SOC_DAPM_SUPPLY("DSPINTCLK", SND_SOC_NOPM, 1, 0, NULL, 0),
 
 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
-                    0, WM8994_POWER_MANAGEMENT_4, 9, 0),
+                    0, SND_SOC_NOPM, 9, 0),
 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
-                    0, WM8994_POWER_MANAGEMENT_4, 8, 0),
+                    0, SND_SOC_NOPM, 8, 0),
 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
-                     WM8994_POWER_MANAGEMENT_5, 9, 0, wm8958_aif_ev,
+                     SND_SOC_NOPM, 9, 0, wm8958_aif_ev,
                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1R", NULL, 0,
-                     WM8994_POWER_MANAGEMENT_5, 8, 0, wm8958_aif_ev,
+                     SND_SOC_NOPM, 8, 0, wm8958_aif_ev,
                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 
 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
-                    0, WM8994_POWER_MANAGEMENT_4, 11, 0),
+                    0, SND_SOC_NOPM, 11, 0),
 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
-                    0, WM8994_POWER_MANAGEMENT_4, 10, 0),
+                    0, SND_SOC_NOPM, 10, 0),
 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
-                     WM8994_POWER_MANAGEMENT_5, 11, 0, wm8958_aif_ev,
+                     SND_SOC_NOPM, 11, 0, wm8958_aif_ev,
                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2R", NULL, 0,
-                     WM8994_POWER_MANAGEMENT_5, 10, 0, wm8958_aif_ev,
+                     SND_SOC_NOPM, 10, 0, wm8958_aif_ev,
                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 
 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
@@ -1520,14 +1688,14 @@ SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
                   dac1r_mix, ARRAY_SIZE(dac1r_mix)),
 
 SND_SOC_DAPM_AIF_OUT("AIF2ADCL", NULL, 0,
-                    WM8994_POWER_MANAGEMENT_4, 13, 0),
+                    SND_SOC_NOPM, 13, 0),
 SND_SOC_DAPM_AIF_OUT("AIF2ADCR", NULL, 0,
-                    WM8994_POWER_MANAGEMENT_4, 12, 0),
+                    SND_SOC_NOPM, 12, 0),
 SND_SOC_DAPM_AIF_IN_E("AIF2DACL", NULL, 0,
-                     WM8994_POWER_MANAGEMENT_5, 13, 0, wm8958_aif_ev,
+                     SND_SOC_NOPM, 13, 0, wm8958_aif_ev,
                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 SND_SOC_DAPM_AIF_IN_E("AIF2DACR", NULL, 0,
-                     WM8994_POWER_MANAGEMENT_5, 12, 0, wm8958_aif_ev,
+                     SND_SOC_NOPM, 12, 0, wm8958_aif_ev,
                      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 
 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
index 378cc5b056d72f6c9ed5d28481869e3a608df871..74ed2dffbffda4313401793b72bde4b6b2224eeb 100644 (file)
@@ -1001,11 +1001,10 @@ static void fsi_dma_do_tasklet(unsigned long data)
        sg_dma_address(&sg) = buf;
        sg_dma_len(&sg) = len;
 
-       desc = chan->device->device_prep_slave_sg(chan, &sg, 1, dir,
-                                                 DMA_PREP_INTERRUPT |
-                                                 DMA_CTRL_ACK);
+       desc = dmaengine_prep_slave_sg(chan, &sg, 1, dir,
+                                      DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
        if (!desc) {
-               dev_err(dai->dev, "device_prep_slave_sg() fail\n");
+               dev_err(dai->dev, "dmaengine_prep_slave_sg() fail\n");
                return;
        }
 
index accdcb7d4d9dafbf5397cc33bc199fa2c86bbb03..1d6a80c9f4c2a5ecedfa7ec585c7dc248a7cd31b 100644 (file)
@@ -3113,6 +3113,7 @@ int snd_soc_register_card(struct snd_soc_card *card)
                                 GFP_KERNEL);
        if (card->rtd == NULL)
                return -ENOMEM;
+       card->num_rtd = 0;
        card->rtd_aux = &card->rtd[card->num_links];
 
        for (i = 0; i < card->num_links; i++)
index 5cbd2d7623b8cbf611db0e123ef4d8a01e6f88b0..1bb6d4a63cd8630854ae2b82f47a70057cdd753a 100644 (file)
@@ -67,6 +67,7 @@ static int dapm_up_seq[] = {
        [snd_soc_dapm_out_drv] = 10,
        [snd_soc_dapm_hp] = 10,
        [snd_soc_dapm_spk] = 10,
+       [snd_soc_dapm_line] = 10,
        [snd_soc_dapm_post] = 11,
 };
 
@@ -75,6 +76,7 @@ static int dapm_down_seq[] = {
        [snd_soc_dapm_adc] = 1,
        [snd_soc_dapm_hp] = 2,
        [snd_soc_dapm_spk] = 2,
+       [snd_soc_dapm_line] = 2,
        [snd_soc_dapm_out_drv] = 2,
        [snd_soc_dapm_pga] = 4,
        [snd_soc_dapm_mixer_named_ctl] = 5,
index 03059e75665a267b39baa45b5f7e107557b96542..9bf3fc759344031d05cb915c97d770cddef5a756 100644 (file)
@@ -234,8 +234,8 @@ endif
 
 export PERL_PATH
 
-FLEX = $(CROSS_COMPILE)flex
-BISON= $(CROSS_COMPILE)bison
+FLEX = flex
+BISON= bison
 
 $(OUTPUT)util/parse-events-flex.c: util/parse-events.l
        $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c
index 2e317438980b4767bbca4fdc3512cbd55d4ad1d2..cdae9b2db1cc0ed270e536e6c3b368a353cd780a 100644 (file)
@@ -374,16 +374,23 @@ static int __cmd_report(struct perf_report *rep)
            (kernel_map->dso->hit &&
             (kernel_kmap->ref_reloc_sym == NULL ||
              kernel_kmap->ref_reloc_sym->addr == 0))) {
-               const struct dso *kdso = kernel_map->dso;
+               const char *desc =
+                   "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
+                   "can't be resolved.";
+
+               if (kernel_map) {
+                       const struct dso *kdso = kernel_map->dso;
+                       if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
+                               desc = "If some relocation was applied (e.g. "
+                                      "kexec) symbols may be misresolved.";
+                       }
+               }
 
                ui__warning(
 "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
 "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
 "Samples in kernel modules can't be resolved as well.\n\n",
-                           RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION]) ?
-"As no suitable kallsyms nor vmlinux was found, kernel samples\n"
-"can't be resolved." :
-"If some relocation was applied (e.g. kexec) symbols may be misresolved.");
+               desc);
        }
 
        if (dump_trace) {
index 1c5b9801ac6115547039599ff1424048efefd0e7..223ffdcc0fd8a730079f09205c45ecb4fbf5d341 100644 (file)
@@ -851,6 +851,28 @@ static int test__checkevent_symbolic_name_modifier(struct perf_evlist *evlist)
        return test__checkevent_symbolic_name(evlist);
 }
 
+static int test__checkevent_exclude_host_modifier(struct perf_evlist *evlist)
+{
+       struct perf_evsel *evsel = list_entry(evlist->entries.next,
+                                             struct perf_evsel, node);
+
+       TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+       TEST_ASSERT_VAL("wrong exclude host", evsel->attr.exclude_host);
+
+       return test__checkevent_symbolic_name(evlist);
+}
+
+static int test__checkevent_exclude_guest_modifier(struct perf_evlist *evlist)
+{
+       struct perf_evsel *evsel = list_entry(evlist->entries.next,
+                                             struct perf_evsel, node);
+
+       TEST_ASSERT_VAL("wrong exclude guest", evsel->attr.exclude_guest);
+       TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+
+       return test__checkevent_symbolic_name(evlist);
+}
+
 static int test__checkevent_symbolic_alias_modifier(struct perf_evlist *evlist)
 {
        struct perf_evsel *evsel = list_entry(evlist->entries.next,
@@ -1091,6 +1113,14 @@ static struct test__event_st {
                .name  = "r1,syscalls:sys_enter_open:k,1:1:hp",
                .check = test__checkevent_list,
        },
+       {
+               .name  = "instructions:G",
+               .check = test__checkevent_exclude_host_modifier,
+       },
+       {
+               .name  = "instructions:H",
+               .check = test__checkevent_exclude_guest_modifier,
+       },
 };
 
 #define TEST__EVENTS_CNT (sizeof(test__events) / sizeof(struct test__event_st))
index 05d766e3ecb571732e7ce873e24c22bac391845c..1fcf1bbc5458e4a8d626f671a6455348a2225f1f 100644 (file)
@@ -54,7 +54,7 @@ num_dec               [0-9]+
 num_hex                0x[a-fA-F0-9]+
 num_raw_hex    [a-fA-F0-9]+
 name           [a-zA-Z_*?][a-zA-Z0-9_*?]*
-modifier_event [ukhp]{1,5}
+modifier_event [ukhpGH]{1,8}
 modifier_bp    [rwx]
 
 %%
index c0a028c3ebaf35905e99e69f4cef76e5e343f44f..ab9867b2b433c97dd5bbd63f4079acdc2fceeaba 100644 (file)
@@ -977,8 +977,9 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
  * And always look at the original dso, not at debuginfo packages, that
  * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS).
  */
-static int dso__synthesize_plt_symbols(struct  dso *dso, struct map *map,
-                                      symbol_filter_t filter)
+static int
+dso__synthesize_plt_symbols(struct dso *dso, char *name, struct map *map,
+                           symbol_filter_t filter)
 {
        uint32_t nr_rel_entries, idx;
        GElf_Sym sym;
@@ -993,10 +994,7 @@ static int dso__synthesize_plt_symbols(struct  dso *dso, struct map *map,
        char sympltname[1024];
        Elf *elf;
        int nr = 0, symidx, fd, err = 0;
-       char name[PATH_MAX];
 
-       snprintf(name, sizeof(name), "%s%s",
-                symbol_conf.symfs, dso->long_name);
        fd = open(name, O_RDONLY);
        if (fd < 0)
                goto out;
@@ -1703,8 +1701,9 @@ restart:
                        continue;
 
                if (ret > 0) {
-                       int nr_plt = dso__synthesize_plt_symbols(dso, map,
-                                                                filter);
+                       int nr_plt;
+
+                       nr_plt = dso__synthesize_plt_symbols(dso, name, map, filter);
                        if (nr_plt > 0)
                                ret += nr_plt;
                        break;