]> git.openfabrics.org - ~shefty/rdma-dev.git/commitdiff
Merge tag 'pm-fixes-for-3.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 4 Feb 2012 23:21:39 +0000 (15:21 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 4 Feb 2012 23:21:39 +0000 (15:21 -0800)
Power management fixes for 3.3-rc3

Three power management regression fixes, one for a recent regression introcuded
by the freezer changes during the 3.3 merge window and two for regressions
in cpuidle (resulting from PM QoS changes) and in the hibernate user space
interface, both introduced during the 3.2 development cycle.

They include:

* Two hibernate (s2disk) regression fixes from Srivatsa S. Bhat (for
 regressions introduced during the 3.3 merge window and during the 3.2
 development cycle).

* A cpuidle fix from Venki Pallipadi for a regression resulting from PM QoS
 changes during the 3.2 development cycle causing cpuidle to work incorrectly
 for CONFIG_PM unset.

* tag 'pm-fixes-for-3.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM / QoS: CPU C-state breakage with PM Qos change
  PM / Freezer: Thaw only kernel threads if freezing of kernel threads fails
  PM / Hibernate: Thaw kernel threads in SNAPSHOT_CREATE_IMAGE ioctl path

160 files changed:
Documentation/DocBook/device-drivers.tmpl
Documentation/input/event-codes.txt
MAINTAINERS
arch/arm/include/asm/tlb.h
arch/arm/kernel/entry-armv.S
arch/arm/kernel/perf_event_v7.c
arch/arm/kernel/ptrace.c
arch/arm/kernel/signal.c
arch/arm/mach-bcmring/arch.c
arch/arm/mach-bcmring/dma.c
arch/arm/mach-bcmring/include/mach/dma.h
arch/arm/mach-davinci/board-da850-evm.c
arch/arm/mach-davinci/board-dm365-evm.c
arch/arm/mach-davinci/board-dm644x-evm.c
arch/arm/mach-davinci/board-dm646x-evm.c
arch/arm/mach-davinci/board-neuros-osd2.c
arch/arm/mach-davinci/board-omapl138-hawk.c
arch/arm/mach-davinci/board-sffsdr.c
arch/arm/mach-davinci/da850.c
arch/arm/mach-omap2/Kconfig
arch/arm/mach-omap2/devices.c
arch/arm/mach-omap2/gpmc.c
arch/arm/mach-omap2/hsmmc.c
arch/arm/mach-omap2/io.c
arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
arch/arm/mach-omap2/omap_hwmod_44xx_data.c
arch/arm/mach-omap2/prm2xxx_3xxx.c
arch/arm/mach-omap2/smartreflex.c
arch/arm/mach-omap2/timer.c
arch/arm/mach-shmobile/setup-sh7372.c
arch/arm/mm/ioremap.c
arch/avr32/Kconfig
arch/microblaze/kernel/setup.c
arch/sparc/Kconfig
arch/sparc/lib/divdi3.S
arch/x86/include/asm/cmpxchg.h
arch/x86/kernel/dumpstack.c
arch/x86/kernel/dumpstack_64.c
arch/x86/kernel/reboot.c
arch/x86/mm/fault.c
arch/xtensa/include/asm/string.h
drivers/block/rbd.c
drivers/dma/at_hdmac.c
drivers/dma/at_hdmac_regs.h
drivers/dma/dmatest.c
drivers/dma/imx-sdma.c
drivers/dma/shdma.c
drivers/firewire/ohci.c
drivers/gpu/drm/nouveau/nouveau_bios.h
drivers/gpu/drm/nouveau/nouveau_display.c
drivers/gpu/drm/nouveau/nouveau_drv.c
drivers/gpu/drm/nouveau/nouveau_gem.c
drivers/gpu/drm/nouveau/nouveau_mxm.c
drivers/gpu/drm/nouveau/nv50_pm.c
drivers/gpu/drm/radeon/atombios_crtc.c
drivers/gpu/drm/radeon/atombios_dp.c
drivers/gpu/drm/radeon/r600_blit_kms.c
drivers/gpu/drm/radeon/radeon_atpx_handler.c
drivers/gpu/drm/radeon/radeon_device.c
drivers/gpu/drm/radeon/radeon_i2c.c
drivers/i2c/busses/i2c-omap.c
drivers/infiniband/core/ucma.c
drivers/infiniband/core/uverbs_cmd.c
drivers/infiniband/core/verbs.c
drivers/infiniband/hw/ipath/ipath_fs.c
drivers/infiniband/hw/mlx4/mad.c
drivers/infiniband/hw/nes/nes.c
drivers/infiniband/hw/nes/nes.h
drivers/infiniband/hw/nes/nes_cm.c
drivers/infiniband/hw/nes/nes_cm.h
drivers/infiniband/hw/nes/nes_context.h
drivers/infiniband/hw/nes/nes_hw.c
drivers/infiniband/hw/nes/nes_hw.h
drivers/infiniband/hw/nes/nes_mgt.c
drivers/infiniband/hw/nes/nes_mgt.h
drivers/infiniband/hw/nes/nes_nic.c
drivers/infiniband/hw/nes/nes_user.h
drivers/infiniband/hw/nes/nes_utils.c
drivers/infiniband/hw/nes/nes_verbs.c
drivers/infiniband/hw/nes/nes_verbs.h
drivers/infiniband/hw/qib/qib_iba6120.c
drivers/infiniband/hw/qib/qib_pcie.c
drivers/input/evdev.c
drivers/input/keyboard/twl4030_keypad.c
drivers/input/serio/i8042-x86ia64io.h
drivers/input/serio/serio_raw.c
drivers/misc/lkdtm.c
drivers/mtd/mtdcore.c
drivers/mtd/nand/atmel_nand.c
drivers/mtd/nand/gpmi-nand/gpmi-lib.c
drivers/mtd/nand/nand_base.c
drivers/staging/media/go7007/go7007-usb.c
drivers/tty/vt/vt_ioctl.c
fs/ceph/caps.c
fs/ceph/dir.c
fs/ceph/mds_client.c
fs/ceph/mds_client.h
fs/ceph/xattr.c
fs/jffs2/erase.c
fs/logfs/dev_mtd.c
fs/proc/base.c
include/linux/gpio_keys.h
include/linux/lp8727.h [changed mode: 0755->0644]
include/linux/mpi.h
include/linux/mtd/mtd.h
include/linux/perf_event.h
include/linux/sched.h
include/linux/sh_dma.h
include/sound/core.h
kernel/events/core.c
kernel/exit.c
kernel/fork.c
kernel/kprobes.c
kernel/sched/core.c
kernel/sched/fair.c
kernel/sched/rt.c
kernel/watchdog.c
lib/Kconfig
lib/Makefile
lib/bug.c
lib/clz_tab.c [new file with mode: 0644]
lib/digsig.c
lib/mpi/longlong.h
lib/mpi/mpi-bit.c
lib/mpi/mpi-div.c
lib/mpi/mpi-pow.c
lib/mpi/mpicoder.c
lib/mpi/mpih-div.c
lib/mpi/mpiutil.c
mm/compaction.c
mm/filemap.c
mm/filemap_xip.c
mm/kmemleak.c
mm/memcontrol.c
mm/migrate.c
mm/process_vm_access.c
net/ceph/ceph_common.c
net/ceph/mon_client.c
sound/pci/hda/hda_codec.c
sound/pci/hda/hda_jack.c
sound/pci/hda/patch_cirrus.c
sound/pci/hda/patch_realtek.c
sound/pci/hda/patch_via.c
sound/soc/codecs/wm5100.c
sound/soc/codecs/wm8962.c
sound/soc/codecs/wm8996.c
sound/soc/codecs/wm_hubs.c
sound/soc/samsung/neo1973_wm8753.c
tools/perf/Makefile
tools/perf/builtin-probe.c
tools/perf/builtin-top.c
tools/perf/util/header.c
tools/perf/util/probe-event.c
tools/perf/util/symbol.c
tools/perf/util/trace-event-parse.c
tools/perf/util/ui/browsers/hists.c
tools/perf/util/ui/helpline.c
tools/perf/util/util.h

index 2f7fd43608485b2e0fd99f1df9a9ef85be5e64d5..9c27e5125dd26efb5ca49c4b2bc9beadb4d559d7 100644 (file)
@@ -102,9 +102,12 @@ X!Iinclude/linux/kobject.h
 !Iinclude/linux/device.h
      </sect1>
      <sect1><title>Device Drivers Base</title>
+!Idrivers/base/init.c
 !Edrivers/base/driver.c
 !Edrivers/base/core.c
+!Edrivers/base/syscore.c
 !Edrivers/base/class.c
+!Idrivers/base/node.c
 !Edrivers/base/firmware_class.c
 !Edrivers/base/transport_class.c
 <!-- Cannot be included, because
@@ -113,13 +116,18 @@ X!Iinclude/linux/kobject.h
      exceed allowed 44 characters maximum
 X!Edrivers/base/attribute_container.c
 -->
-!Edrivers/base/sys.c
+!Edrivers/base/dd.c
 <!--
 X!Edrivers/base/interface.c
 -->
 !Iinclude/linux/platform_device.h
 !Edrivers/base/platform.c
 !Edrivers/base/bus.c
+     </sect1>
+     <sect1><title>Device Drivers DMA Management</title>
+!Edrivers/base/dma-buf.c
+!Edrivers/base/dma-coherent.c
+!Edrivers/base/dma-mapping.c
      </sect1>
      <sect1><title>Device Drivers Power Management</title>
 !Edrivers/base/power/main.c
@@ -219,7 +227,7 @@ X!Isound/sound_firmware.c
   <chapter id="uart16x50">
      <title>16x50 UART Driver</title>
 !Edrivers/tty/serial/serial_core.c
-!Edrivers/tty/serial/8250.c
+!Edrivers/tty/serial/8250/8250.c
   </chapter>
 
   <chapter id="fbdev">
index 23fcb05175be70e0d140febdc153751763f38d04..53305bd08182dac8db030112ed9dadf1bf99efc9 100644 (file)
@@ -17,11 +17,11 @@ reports supported by a device are also provided by sysfs in
 class/input/event*/device/capabilities/, and the properties of a device are
 provided in class/input/event*/device/properties.
 
-Types:
-==========
-Types are groupings of codes under a logical input construct. Each type has a
-set of applicable codes to be used in generating events. See the Codes section
-for details on valid codes for each type.
+Event types:
+===========
+Event types are groupings of codes under a logical input construct. Each
+type has a set of applicable codes to be used in generating events. See the
+Codes section for details on valid codes for each type.
 
 * EV_SYN:
   - Used as markers to separate events. Events may be separated in time or in
@@ -63,9 +63,9 @@ for details on valid codes for each type.
 * EV_FF_STATUS:
   - Used to receive force feedback device status.
 
-Codes:
-==========
-Codes define the precise type of event.
+Event codes:
+===========
+Event codes define the precise type of event.
 
 EV_SYN:
 ----------
@@ -220,6 +220,56 @@ EV_PWR:
 EV_PWR events are a special type of event used specifically for power
 mangement. Its usage is not well defined. To be addressed later.
 
+Device properties:
+=================
+Normally, userspace sets up an input device based on the data it emits,
+i.e., the event types. In the case of two devices emitting the same event
+types, additional information can be provided in the form of device
+properties.
+
+INPUT_PROP_DIRECT + INPUT_PROP_POINTER:
+--------------------------------------
+The INPUT_PROP_DIRECT property indicates that device coordinates should be
+directly mapped to screen coordinates (not taking into account trivial
+transformations, such as scaling, flipping and rotating). Non-direct input
+devices require non-trivial transformation, such as absolute to relative
+transformation for touchpads. Typical direct input devices: touchscreens,
+drawing tablets; non-direct devices: touchpads, mice.
+
+The INPUT_PROP_POINTER property indicates that the device is not transposed
+on the screen and thus requires use of an on-screen pointer to trace user's
+movements.  Typical pointer devices: touchpads, tablets, mice; non-pointer
+device: touchscreen.
+
+If neither INPUT_PROP_DIRECT or INPUT_PROP_POINTER are set, the property is
+considered undefined and the device type should be deduced in the
+traditional way, using emitted event types.
+
+INPUT_PROP_BUTTONPAD:
+--------------------
+For touchpads where the button is placed beneath the surface, such that
+pressing down on the pad causes a button click, this property should be
+set. Common in clickpad notebooks and macbooks from 2009 and onwards.
+
+Originally, the buttonpad property was coded into the bcm5974 driver
+version field under the name integrated button. For backwards
+compatibility, both methods need to be checked in userspace.
+
+INPUT_PROP_SEMI_MT:
+------------------
+Some touchpads, most common between 2008 and 2011, can detect the presence
+of multiple contacts without resolving the individual positions; only the
+number of contacts and a rectangular shape is known. For such
+touchpads, the semi-mt property should be set.
+
+Depending on the device, the rectangle may enclose all touches, like a
+bounding box, or just some of them, for instance the two most recent
+touches. The diversity makes the rectangle of limited use, but some
+gestures can normally be extracted from it.
+
+If INPUT_PROP_SEMI_MT is not set, the device is assumed to be a true MT
+device.
+
 Guidelines:
 ==========
 The guidelines below ensure proper single-touch and multi-finger functionality.
@@ -240,6 +290,8 @@ used to report when a touch is active on the screen.
 BTN_{MOUSE,LEFT,MIDDLE,RIGHT} must not be reported as the result of touch
 contact. BTN_TOOL_<name> events should be reported where possible.
 
+For new hardware, INPUT_PROP_DIRECT should be set.
+
 Trackpads:
 ----------
 Legacy trackpads that only provide relative position information must report
@@ -250,6 +302,8 @@ location of the touch. BTN_TOUCH should be used to report when a touch is active
 on the trackpad. Where multi-finger support is available, BTN_TOOL_<name> should
 be used to report the number of touches active on the trackpad.
 
+For new hardware, INPUT_PROP_POINTER should be set.
+
 Tablets:
 ----------
 BTN_TOOL_<name> events must be reported when a stylus or other tool is active on
@@ -260,3 +314,5 @@ button may be used for buttons on the tablet except BTN_{MOUSE,LEFT}.
 BTN_{0,1,2,etc} are good generic codes for unlabeled buttons. Do not use
 meaningful buttons, like BTN_FORWARD, unless the button is labeled for that
 purpose on the device.
+
+For new hardware, both INPUT_PROP_DIRECT and INPUT_PROP_POINTER should be set.
index a1fce9a3ab207938fba0cbd08fa59c9eaf724a08..8591c03354ef976221bb7462df73ecb3b5bbeae9 100644 (file)
@@ -159,7 +159,7 @@ S:  Maintained
 F:     drivers/net/ethernet/realtek/r8169.c
 
 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER
-M:     Greg Kroah-Hartman <gregkh@suse.de>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:     linux-serial@vger.kernel.org
 W:     http://serial.sourceforge.net
 S:     Maintained
@@ -789,12 +789,6 @@ F: arch/arm/mach-mx*/
 F:     arch/arm/mach-imx/
 F:     arch/arm/plat-mxc/
 
-ARM/FREESCALE IMX51
-M:     Amit Kucheria <amit.kucheria@canonical.com>
-L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S:     Maintained
-F:     arch/arm/mach-mx5/
-
 ARM/FREESCALE IMX6
 M:     Shawn Guo <shawn.guo@linaro.org>
 L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -1783,9 +1777,9 @@ X:        net/wireless/wext*
 
 CHAR and MISC DRIVERS
 M:     Arnd Bergmann <arnd@arndb.de>
-M:     Greg Kroah-Hartman <greg@kroah.com>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
-S:     Maintained
+S:     Supported
 F:     drivers/char/*
 F:     drivers/misc/*
 
@@ -2320,7 +2314,7 @@ F:        lib/lru_cache.c
 F:     Documentation/blockdev/drbd/
 
 DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS
-M:     Greg Kroah-Hartman <gregkh@suse.de>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6.git
 S:     Supported
 F:     Documentation/kobject.txt
@@ -3992,11 +3986,11 @@ M:      Rusty Russell <rusty@rustcorp.com.au>
 L:     lguest@lists.ozlabs.org
 W:     http://lguest.ozlabs.org/
 S:     Odd Fixes
-F:     Documentation/virtual/lguest/
+F:     arch/x86/include/asm/lguest*.h
 F:     arch/x86/lguest/
 F:     drivers/lguest/
 F:     include/linux/lguest*.h
-F:     arch/x86/include/asm/lguest*.h
+F:     tools/lguest/
 
 LINUX FOR IBM pSERIES (RS/6000)
 M:     Paul Mackerras <paulus@au.ibm.com>
@@ -4136,7 +4130,7 @@ L:        linux-ntfs-dev@lists.sourceforge.net
 W:     http://www.linux-ntfs.org/content/view/19/37/
 S:     Maintained
 F:     Documentation/ldm.txt
-F:     fs/partitions/ldm.*
+F:     block/partitions/ldm.*
 
 LogFS
 M:     Joern Engel <joern@logfs.org>
@@ -5633,7 +5627,7 @@ W:        http://www.ibm.com/developerworks/linux/linux390/
 S:     Supported
 F:     arch/s390/
 F:     drivers/s390/
-F:     fs/partitions/ibm.c
+F:     block/partitions/ibm.c
 F:     Documentation/s390/
 F:     Documentation/DocBook/s390*
 
@@ -6276,15 +6270,15 @@ S:      Maintained
 F:     arch/alpha/kernel/srm_env.c
 
 STABLE BRANCH
-M:     Greg Kroah-Hartman <greg@kroah.com>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:     stable@vger.kernel.org
-S:     Maintained
+S:     Supported
 
 STAGING SUBSYSTEM
-M:     Greg Kroah-Hartman <gregkh@suse.de>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
 L:     devel@driverdev.osuosl.org
-S:     Maintained
+S:     Supported
 F:     drivers/staging/
 
 STAGING - AGERE HERMES II and II.5 WIRELESS DRIVERS
@@ -6396,11 +6390,6 @@ M:       Omar Ramirez Luna <omar.ramirez@ti.com>
 S:     Odd Fixes
 F:     drivers/staging/tidspbridge/
 
-STAGING - TRIDENT TVMASTER TMxxxx USB VIDEO CAPTURE DRIVERS
-L:     linux-media@vger.kernel.org
-S:     Odd Fixes
-F:     drivers/staging/tm6000/
-
 STAGING - USB ENE SM/MS CARD READER DRIVER
 M:     Al Cho <acho@novell.com>
 S:     Odd Fixes
@@ -6669,8 +6658,8 @@ S:        Maintained
 K:     ^Subject:.*(?i)trivial
 
 TTY LAYER
-M:     Greg Kroah-Hartman <gregkh@suse.de>
-S:     Maintained
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+S:     Supported
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git
 F:     drivers/tty/
 F:     drivers/tty/serial/serial_core.c
@@ -6958,7 +6947,7 @@ S:        Maintained
 F:     drivers/usb/serial/digi_acceleport.c
 
 USB SERIAL DRIVER
-M:     Greg Kroah-Hartman <gregkh@suse.de>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:     linux-usb@vger.kernel.org
 S:     Supported
 F:     Documentation/usb/usb-serial.txt
@@ -6973,9 +6962,8 @@ S:        Maintained
 F:     drivers/usb/serial/empeg.c
 
 USB SERIAL KEYSPAN DRIVER
-M:     Greg Kroah-Hartman <greg@kroah.com>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:     linux-usb@vger.kernel.org
-W:     http://www.kroah.com/linux/
 S:     Maintained
 F:     drivers/usb/serial/*keyspan*
 
@@ -7003,7 +6991,7 @@ F:        Documentation/video4linux/sn9c102.txt
 F:     drivers/media/video/sn9c102/
 
 USB SUBSYSTEM
-M:     Greg Kroah-Hartman <gregkh@suse.de>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 L:     linux-usb@vger.kernel.org
 W:     http://www.linux-usb.org
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6.git
@@ -7090,7 +7078,7 @@ F:        fs/hppfs/
 
 USERSPACE I/O (UIO)
 M:     "Hans J. Koch" <hjk@hansjkoch.de>
-M:     Greg Kroah-Hartman <gregkh@suse.de>
+M:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 S:     Maintained
 F:     Documentation/DocBook/uio-howto.tmpl
 F:     drivers/uio/
index 5d3ed7e38561dd43553d1d3bf1b2af07e0d2b747..314d4664eae7d9976a5fe656f74918cb8d15ab8b 100644 (file)
@@ -198,7 +198,15 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
        unsigned long addr)
 {
        pgtable_page_dtor(pte);
-       tlb_add_flush(tlb, addr);
+
+       /*
+        * With the classic ARM MMU, a pte page has two corresponding pmd
+        * entries, each covering 1MB.
+        */
+       addr &= PMD_MASK;
+       tlb_add_flush(tlb, addr + SZ_1M - PAGE_SIZE);
+       tlb_add_flush(tlb, addr + SZ_1M);
+
        tlb_remove_page(tlb, pte);
 }
 
index 3a456c6c70056f9267f592792193d2176c045802..be16a48007b4b79fc5db0d3e48b016242b68d760 100644 (file)
@@ -790,7 +790,7 @@ __kuser_cmpxchg64:                          @ 0xffff0f60
        smp_dmb arm
        rsbs    r0, r3, #0                      @ set returned val and C flag
        ldmfd   sp!, {r4, r5, r6, r7}
-       bx      lr
+       usr_ret lr
 
 #elif !defined(CONFIG_SMP)
 
index 460bbbb6b88536ba18ded4983b6ee18baf1a4bf4..6933244c68f964ffed73f11cfbdaac1ca13b2f74 100644 (file)
@@ -469,6 +469,20 @@ static const unsigned armv7_a5_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
        },
+       [C(NODE)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
 };
 
 /*
@@ -579,6 +593,20 @@ static const unsigned armv7_a15_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
                        [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
                },
        },
+       [C(NODE)] = {
+               [C(OP_READ)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_WRITE)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+               [C(OP_PREFETCH)] = {
+                       [C(RESULT_ACCESS)]      = CACHE_OP_UNSUPPORTED,
+                       [C(RESULT_MISS)]        = CACHE_OP_UNSUPPORTED,
+               },
+       },
 };
 
 /*
index e1d5e1929fbd6a36e9266a2c4d254cba5060e438..e33870ff0ac092b25e31a49e3074899ee0ac6339 100644 (file)
@@ -699,10 +699,13 @@ static int vfp_set(struct task_struct *target,
 {
        int ret;
        struct thread_info *thread = task_thread_info(target);
-       struct vfp_hard_struct new_vfp = thread->vfpstate.hard;
+       struct vfp_hard_struct new_vfp;
        const size_t user_fpregs_offset = offsetof(struct user_vfp, fpregs);
        const size_t user_fpscr_offset = offsetof(struct user_vfp, fpscr);
 
+       vfp_sync_hwstate(thread);
+       new_vfp = thread->vfpstate.hard;
+
        ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
                                  &new_vfp.fpregs,
                                  user_fpregs_offset,
@@ -723,9 +726,8 @@ static int vfp_set(struct task_struct *target,
        if (ret)
                return ret;
 
-       vfp_sync_hwstate(thread);
-       thread->vfpstate.hard = new_vfp;
        vfp_flush_hwstate(thread);
+       thread->vfpstate.hard = new_vfp;
 
        return 0;
 }
index 0340224cf73c5c9db2d16185bd698a6ba6518fb8..9e617bd4a146250d7d3f453d50a45431fa261e08 100644 (file)
@@ -227,6 +227,8 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
        if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
                return -EINVAL;
 
+       vfp_flush_hwstate(thread);
+
        /*
         * Copy the floating point registers. There can be unused
         * registers see asm/hwcap.h for details.
@@ -251,9 +253,6 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
        __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err);
        __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err);
 
-       if (!err)
-               vfp_flush_hwstate(thread);
-
        return err ? -EFAULT : 0;
 }
 
index 9e5e7552498c362c7880b76d3e820640cddfc555..45c97b1ee9b1d59ba923a69b50e94337b48da993 100644 (file)
@@ -194,6 +194,6 @@ MACHINE_START(BCMRING, "BCMRING")
        .init_early = bcmring_init_early,
        .init_irq = bcmring_init_irq,
        .timer = &bcmring_timer,
-       .init_machine = bcmring_init_machine
+       .init_machine = bcmring_init_machine,
        .restart = bcmring_restart,
 MACHINE_END
index 1a1a27dd56544d0684bebc29d40b69bdff2d190f..1024396797e16f6c839383da409731bfaef494d3 100644 (file)
 
 #include <mach/timer.h>
 
-#include <linux/mm.h>
 #include <linux/pfn.h>
 #include <linux/atomic.h>
 #include <linux/sched.h>
 #include <mach/dma.h>
 
-/* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */
-/* especially since dc4 doesn't use kmalloc'd memory. */
-
-#define ALLOW_MAP_OF_KMALLOC_MEMORY 0
-
 /* ---- Public Variables ------------------------------------------------- */
 
 /* ---- Private Constants and Types -------------------------------------- */
 #define CONTROLLER_FROM_HANDLE(handle)    (((handle) >> 4) & 0x0f)
 #define CHANNEL_FROM_HANDLE(handle)       ((handle) & 0x0f)
 
-#define DMA_MAP_DEBUG   0
-
-#if DMA_MAP_DEBUG
-#   define  DMA_MAP_PRINT(fmt, args...)   printk("%s: " fmt, __func__,  ## args)
-#else
-#   define  DMA_MAP_PRINT(fmt, args...)
-#endif
 
 /* ---- Private Variables ------------------------------------------------ */
 
 static DMA_Global_t gDMA;
 static struct proc_dir_entry *gDmaDir;
 
-static atomic_t gDmaStatMemTypeKmalloc = ATOMIC_INIT(0);
-static atomic_t gDmaStatMemTypeVmalloc = ATOMIC_INIT(0);
-static atomic_t gDmaStatMemTypeUser = ATOMIC_INIT(0);
-static atomic_t gDmaStatMemTypeCoherent = ATOMIC_INIT(0);
-
 #include "dma_device.c"
 
 /* ---- Private Function Prototypes -------------------------------------- */
 
 /* ---- Functions  ------------------------------------------------------- */
 
-/****************************************************************************/
-/**
-*   Displays information for /proc/dma/mem-type
-*/
-/****************************************************************************/
-
-static int dma_proc_read_mem_type(char *buf, char **start, off_t offset,
-                                 int count, int *eof, void *data)
-{
-       int len = 0;
-
-       len += sprintf(buf + len, "dma_map_mem statistics\n");
-       len +=
-           sprintf(buf + len, "coherent: %d\n",
-                   atomic_read(&gDmaStatMemTypeCoherent));
-       len +=
-           sprintf(buf + len, "kmalloc:  %d\n",
-                   atomic_read(&gDmaStatMemTypeKmalloc));
-       len +=
-           sprintf(buf + len, "vmalloc:  %d\n",
-                   atomic_read(&gDmaStatMemTypeVmalloc));
-       len +=
-           sprintf(buf + len, "user:     %d\n",
-                   atomic_read(&gDmaStatMemTypeUser));
-
-       return len;
-}
-
 /****************************************************************************/
 /**
 *   Displays information for /proc/dma/channels
@@ -846,8 +800,6 @@ int dma_init(void)
                                       dma_proc_read_channels, NULL);
                create_proc_read_entry("devices", 0, gDmaDir,
                                       dma_proc_read_devices, NULL);
-               create_proc_read_entry("mem-type", 0, gDmaDir,
-                                      dma_proc_read_mem_type, NULL);
        }
 
 out:
@@ -1565,767 +1517,3 @@ int dma_set_device_handler(DMA_Device_t dev,    /* Device to set the callback for.
 }
 
 EXPORT_SYMBOL(dma_set_device_handler);
-
-/****************************************************************************/
-/**
-*   Initializes a memory mapping structure
-*/
-/****************************************************************************/
-
-int dma_init_mem_map(DMA_MemMap_t *memMap)
-{
-       memset(memMap, 0, sizeof(*memMap));
-
-       sema_init(&memMap->lock, 1);
-
-       return 0;
-}
-
-EXPORT_SYMBOL(dma_init_mem_map);
-
-/****************************************************************************/
-/**
-*   Releases any memory currently being held by a memory mapping structure.
-*/
-/****************************************************************************/
-
-int dma_term_mem_map(DMA_MemMap_t *memMap)
-{
-       down(&memMap->lock);    /* Just being paranoid */
-
-       /* Free up any allocated memory */
-
-       up(&memMap->lock);
-       memset(memMap, 0, sizeof(*memMap));
-
-       return 0;
-}
-
-EXPORT_SYMBOL(dma_term_mem_map);
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and categorizes it.
-*
-*   @return One of the values from the DMA_MemType_t enumeration.
-*/
-/****************************************************************************/
-
-DMA_MemType_t dma_mem_type(void *addr)
-{
-       unsigned long addrVal = (unsigned long)addr;
-
-       if (addrVal >= CONSISTENT_BASE) {
-               /* NOTE: DMA virtual memory space starts at 0xFFxxxxxx */
-
-               /* dma_alloc_xxx pages are physically and virtually contiguous */
-
-               return DMA_MEM_TYPE_DMA;
-       }
-
-       /* Technically, we could add one more classification. Addresses between VMALLOC_END */
-       /* and the beginning of the DMA virtual address could be considered to be I/O space. */
-       /* Right now, nobody cares about this particular classification, so we ignore it. */
-
-       if (is_vmalloc_addr(addr)) {
-               /* Address comes from the vmalloc'd region. Pages are virtually */
-               /* contiguous but NOT physically contiguous */
-
-               return DMA_MEM_TYPE_VMALLOC;
-       }
-
-       if (addrVal >= PAGE_OFFSET) {
-               /* PAGE_OFFSET is typically 0xC0000000 */
-
-               /* kmalloc'd pages are physically contiguous */
-
-               return DMA_MEM_TYPE_KMALLOC;
-       }
-
-       return DMA_MEM_TYPE_USER;
-}
-
-EXPORT_SYMBOL(dma_mem_type);
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and determines if we support DMA'ing to/from
-*   that type of memory.
-*
-*   @return boolean -
-*               return value != 0 means dma supported
-*               return value == 0 means dma not supported
-*/
-/****************************************************************************/
-
-int dma_mem_supports_dma(void *addr)
-{
-       DMA_MemType_t memType = dma_mem_type(addr);
-
-       return (memType == DMA_MEM_TYPE_DMA)
-#if ALLOW_MAP_OF_KMALLOC_MEMORY
-           || (memType == DMA_MEM_TYPE_KMALLOC)
-#endif
-           || (memType == DMA_MEM_TYPE_USER);
-}
-
-EXPORT_SYMBOL(dma_mem_supports_dma);
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_map_start(DMA_MemMap_t *memMap,        /* Stores state information about the map */
-                 enum dma_data_direction dir   /* Direction that the mapping will be going */
-    ) {
-       int rc;
-
-       down(&memMap->lock);
-
-       DMA_MAP_PRINT("memMap: %p\n", memMap);
-
-       if (memMap->inUse) {
-               printk(KERN_ERR "%s: memory map %p is already being used\n",
-                      __func__, memMap);
-               rc = -EBUSY;
-               goto out;
-       }
-
-       memMap->inUse = 1;
-       memMap->dir = dir;
-       memMap->numRegionsUsed = 0;
-
-       rc = 0;
-
-out:
-
-       DMA_MAP_PRINT("returning %d", rc);
-
-       up(&memMap->lock);
-
-       return rc;
-}
-
-EXPORT_SYMBOL(dma_map_start);
-
-/****************************************************************************/
-/**
-*   Adds a segment of memory to a memory map. Each segment is both
-*   physically and virtually contiguous.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-static int dma_map_add_segment(DMA_MemMap_t *memMap,   /* Stores state information about the map */
-                              DMA_Region_t *region,    /* Region that the segment belongs to */
-                              void *virtAddr,  /* Virtual address of the segment being added */
-                              dma_addr_t physAddr,     /* Physical address of the segment being added */
-                              size_t numBytes  /* Number of bytes of the segment being added */
-    ) {
-       DMA_Segment_t *segment;
-
-       DMA_MAP_PRINT("memMap:%p va:%p pa:0x%x #:%d\n", memMap, virtAddr,
-                     physAddr, numBytes);
-
-       /* Sanity check */
-
-       if (((unsigned long)virtAddr < (unsigned long)region->virtAddr)
-           || (((unsigned long)virtAddr + numBytes)) >
-           ((unsigned long)region->virtAddr + region->numBytes)) {
-               printk(KERN_ERR
-                      "%s: virtAddr %p is outside region @ %p len: %d\n",
-                      __func__, virtAddr, region->virtAddr, region->numBytes);
-               return -EINVAL;
-       }
-
-       if (region->numSegmentsUsed > 0) {
-               /* Check to see if this segment is physically contiguous with the previous one */
-
-               segment = &region->segment[region->numSegmentsUsed - 1];
-
-               if ((segment->physAddr + segment->numBytes) == physAddr) {
-                       /* It is - just add on to the end */
-
-                       DMA_MAP_PRINT("appending %d bytes to last segment\n",
-                                     numBytes);
-
-                       segment->numBytes += numBytes;
-
-                       return 0;
-               }
-       }
-
-       /* Reallocate to hold more segments, if required. */
-
-       if (region->numSegmentsUsed >= region->numSegmentsAllocated) {
-               DMA_Segment_t *newSegment;
-               size_t oldSize =
-                   region->numSegmentsAllocated * sizeof(*newSegment);
-               int newAlloc = region->numSegmentsAllocated + 4;
-               size_t newSize = newAlloc * sizeof(*newSegment);
-
-               newSegment = kmalloc(newSize, GFP_KERNEL);
-               if (newSegment == NULL) {
-                       return -ENOMEM;
-               }
-               memcpy(newSegment, region->segment, oldSize);
-               memset(&((uint8_t *) newSegment)[oldSize], 0,
-                      newSize - oldSize);
-               kfree(region->segment);
-
-               region->numSegmentsAllocated = newAlloc;
-               region->segment = newSegment;
-       }
-
-       segment = &region->segment[region->numSegmentsUsed];
-       region->numSegmentsUsed++;
-
-       segment->virtAddr = virtAddr;
-       segment->physAddr = physAddr;
-       segment->numBytes = numBytes;
-
-       DMA_MAP_PRINT("returning success\n");
-
-       return 0;
-}
-
-/****************************************************************************/
-/**
-*   Adds a region of memory to a memory map. Each region is virtually
-*   contiguous, but not necessarily physically contiguous.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_add_region(DMA_MemMap_t *memMap,   /* Stores state information about the map */
-                      void *mem,       /* Virtual address that we want to get a map of */
-                      size_t numBytes  /* Number of bytes being mapped */
-    ) {
-       unsigned long addr = (unsigned long)mem;
-       unsigned int offset;
-       int rc = 0;
-       DMA_Region_t *region;
-       dma_addr_t physAddr;
-
-       down(&memMap->lock);
-
-       DMA_MAP_PRINT("memMap:%p va:%p #:%d\n", memMap, mem, numBytes);
-
-       if (!memMap->inUse) {
-               printk(KERN_ERR "%s: Make sure you call dma_map_start first\n",
-                      __func__);
-               rc = -EINVAL;
-               goto out;
-       }
-
-       /* Reallocate to hold more regions. */
-
-       if (memMap->numRegionsUsed >= memMap->numRegionsAllocated) {
-               DMA_Region_t *newRegion;
-               size_t oldSize =
-                   memMap->numRegionsAllocated * sizeof(*newRegion);
-               int newAlloc = memMap->numRegionsAllocated + 4;
-               size_t newSize = newAlloc * sizeof(*newRegion);
-
-               newRegion = kmalloc(newSize, GFP_KERNEL);
-               if (newRegion == NULL) {
-                       rc = -ENOMEM;
-                       goto out;
-               }
-               memcpy(newRegion, memMap->region, oldSize);
-               memset(&((uint8_t *) newRegion)[oldSize], 0, newSize - oldSize);
-
-               kfree(memMap->region);
-
-               memMap->numRegionsAllocated = newAlloc;
-               memMap->region = newRegion;
-       }
-
-       region = &memMap->region[memMap->numRegionsUsed];
-       memMap->numRegionsUsed++;
-
-       offset = addr & ~PAGE_MASK;
-
-       region->memType = dma_mem_type(mem);
-       region->virtAddr = mem;
-       region->numBytes = numBytes;
-       region->numSegmentsUsed = 0;
-       region->numLockedPages = 0;
-       region->lockedPages = NULL;
-
-       switch (region->memType) {
-       case DMA_MEM_TYPE_VMALLOC:
-               {
-                       atomic_inc(&gDmaStatMemTypeVmalloc);
-
-                       /* printk(KERN_ERR "%s: vmalloc'd pages are not supported\n", __func__); */
-
-                       /* vmalloc'd pages are not physically contiguous */
-
-                       rc = -EINVAL;
-                       break;
-               }
-
-       case DMA_MEM_TYPE_KMALLOC:
-               {
-                       atomic_inc(&gDmaStatMemTypeKmalloc);
-
-                       /* kmalloc'd pages are physically contiguous, so they'll have exactly */
-                       /* one segment */
-
-#if ALLOW_MAP_OF_KMALLOC_MEMORY
-                       physAddr =
-                           dma_map_single(NULL, mem, numBytes, memMap->dir);
-                       rc = dma_map_add_segment(memMap, region, mem, physAddr,
-                                                numBytes);
-#else
-                       rc = -EINVAL;
-#endif
-                       break;
-               }
-
-       case DMA_MEM_TYPE_DMA:
-               {
-                       /* dma_alloc_xxx pages are physically contiguous */
-
-                       atomic_inc(&gDmaStatMemTypeCoherent);
-
-                       physAddr = (vmalloc_to_pfn(mem) << PAGE_SHIFT) + offset;
-
-                       dma_sync_single_for_cpu(NULL, physAddr, numBytes,
-                                               memMap->dir);
-                       rc = dma_map_add_segment(memMap, region, mem, physAddr,
-                                                numBytes);
-                       break;
-               }
-
-       case DMA_MEM_TYPE_USER:
-               {
-                       size_t firstPageOffset;
-                       size_t firstPageSize;
-                       struct page **pages;
-                       struct task_struct *userTask;
-
-                       atomic_inc(&gDmaStatMemTypeUser);
-
-#if 1
-                       /* If the pages are user pages, then the dma_mem_map_set_user_task function */
-                       /* must have been previously called. */
-
-                       if (memMap->userTask == NULL) {
-                               printk(KERN_ERR
-                                      "%s: must call dma_mem_map_set_user_task when using user-mode memory\n",
-                                      __func__);
-                               return -EINVAL;
-                       }
-
-                       /* User pages need to be locked. */
-
-                       firstPageOffset =
-                           (unsigned long)region->virtAddr & (PAGE_SIZE - 1);
-                       firstPageSize = PAGE_SIZE - firstPageOffset;
-
-                       region->numLockedPages = (firstPageOffset
-                                                 + region->numBytes +
-                                                 PAGE_SIZE - 1) / PAGE_SIZE;
-                       pages =
-                           kmalloc(region->numLockedPages *
-                                   sizeof(struct page *), GFP_KERNEL);
-
-                       if (pages == NULL) {
-                               region->numLockedPages = 0;
-                               return -ENOMEM;
-                       }
-
-                       userTask = memMap->userTask;
-
-                       down_read(&userTask->mm->mmap_sem);
-                       rc = get_user_pages(userTask,   /* task */
-                                           userTask->mm,       /* mm */
-                                           (unsigned long)region->virtAddr,    /* start */
-                                           region->numLockedPages,     /* len */
-                                           memMap->dir == DMA_FROM_DEVICE,     /* write */
-                                           0,  /* force */
-                                           pages,      /* pages (array of pointers to page) */
-                                           NULL);      /* vmas */
-                       up_read(&userTask->mm->mmap_sem);
-
-                       if (rc != region->numLockedPages) {
-                               kfree(pages);
-                               region->numLockedPages = 0;
-
-                               if (rc >= 0) {
-                                       rc = -EINVAL;
-                               }
-                       } else {
-                               uint8_t *virtAddr = region->virtAddr;
-                               size_t bytesRemaining;
-                               int pageIdx;
-
-                               rc = 0; /* Since get_user_pages returns +ve number */
-
-                               region->lockedPages = pages;
-
-                               /* We've locked the user pages. Now we need to walk them and figure */
-                               /* out the physical addresses. */
-
-                               /* The first page may be partial */
-
-                               dma_map_add_segment(memMap,
-                                                   region,
-                                                   virtAddr,
-                                                   PFN_PHYS(page_to_pfn
-                                                            (pages[0])) +
-                                                   firstPageOffset,
-                                                   firstPageSize);
-
-                               virtAddr += firstPageSize;
-                               bytesRemaining =
-                                   region->numBytes - firstPageSize;
-
-                               for (pageIdx = 1;
-                                    pageIdx < region->numLockedPages;
-                                    pageIdx++) {
-                                       size_t bytesThisPage =
-                                           (bytesRemaining >
-                                            PAGE_SIZE ? PAGE_SIZE :
-                                            bytesRemaining);
-
-                                       DMA_MAP_PRINT
-                                           ("pageIdx:%d pages[pageIdx]=%p pfn=%u phys=%u\n",
-                                            pageIdx, pages[pageIdx],
-                                            page_to_pfn(pages[pageIdx]),
-                                            PFN_PHYS(page_to_pfn
-                                                     (pages[pageIdx])));
-
-                                       dma_map_add_segment(memMap,
-                                                           region,
-                                                           virtAddr,
-                                                           PFN_PHYS(page_to_pfn
-                                                                    (pages
-                                                                     [pageIdx])),
-                                                           bytesThisPage);
-
-                                       virtAddr += bytesThisPage;
-                                       bytesRemaining -= bytesThisPage;
-                               }
-                       }
-#else
-                       printk(KERN_ERR
-                              "%s: User mode pages are not yet supported\n",
-                              __func__);
-
-                       /* user pages are not physically contiguous */
-
-                       rc = -EINVAL;
-#endif
-                       break;
-               }
-
-       default:
-               {
-                       printk(KERN_ERR "%s: Unsupported memory type: %d\n",
-                              __func__, region->memType);
-
-                       rc = -EINVAL;
-                       break;
-               }
-       }
-
-       if (rc != 0) {
-               memMap->numRegionsUsed--;
-       }
-
-out:
-
-       DMA_MAP_PRINT("returning %d\n", rc);
-
-       up(&memMap->lock);
-
-       return rc;
-}
-
-EXPORT_SYMBOL(dma_map_add_segment);
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_mem(DMA_MemMap_t *memMap,  /* Stores state information about the map */
-               void *mem,      /* Virtual address that we want to get a map of */
-               size_t numBytes,        /* Number of bytes being mapped */
-               enum dma_data_direction dir     /* Direction that the mapping will be going */
-    ) {
-       int rc;
-
-       rc = dma_map_start(memMap, dir);
-       if (rc == 0) {
-               rc = dma_map_add_region(memMap, mem, numBytes);
-               if (rc < 0) {
-                       /* Since the add fails, this function will fail, and the caller won't */
-                       /* call unmap, so we need to do it here. */
-
-                       dma_unmap(memMap, 0);
-               }
-       }
-
-       return rc;
-}
-
-EXPORT_SYMBOL(dma_map_mem);
-
-/****************************************************************************/
-/**
-*   Setup a descriptor ring for a given memory map.
-*
-*   It is assumed that the descriptor ring has already been initialized, and
-*   this routine will only reallocate a new descriptor ring if the existing
-*   one is too small.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_create_descriptor_ring(DMA_Device_t dev,   /* DMA device (where the ring is stored) */
-                                  DMA_MemMap_t *memMap,        /* Memory map that will be used */
-                                  dma_addr_t devPhysAddr       /* Physical address of device */
-    ) {
-       int rc;
-       int numDescriptors;
-       DMA_DeviceAttribute_t *devAttr;
-       DMA_Region_t *region;
-       DMA_Segment_t *segment;
-       dma_addr_t srcPhysAddr;
-       dma_addr_t dstPhysAddr;
-       int regionIdx;
-       int segmentIdx;
-
-       devAttr = &DMA_gDeviceAttribute[dev];
-
-       down(&memMap->lock);
-
-       /* Figure out how many descriptors we need */
-
-       numDescriptors = 0;
-       for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
-               region = &memMap->region[regionIdx];
-
-               for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed;
-                    segmentIdx++) {
-                       segment = &region->segment[segmentIdx];
-
-                       if (memMap->dir == DMA_TO_DEVICE) {
-                               srcPhysAddr = segment->physAddr;
-                               dstPhysAddr = devPhysAddr;
-                       } else {
-                               srcPhysAddr = devPhysAddr;
-                               dstPhysAddr = segment->physAddr;
-                       }
-
-                       rc =
-                            dma_calculate_descriptor_count(dev, srcPhysAddr,
-                                                           dstPhysAddr,
-                                                           segment->
-                                                           numBytes);
-                       if (rc < 0) {
-                               printk(KERN_ERR
-                                      "%s: dma_calculate_descriptor_count failed: %d\n",
-                                      __func__, rc);
-                               goto out;
-                       }
-                       numDescriptors += rc;
-               }
-       }
-
-       /* Adjust the size of the ring, if it isn't big enough */
-
-       if (numDescriptors > devAttr->ring.descriptorsAllocated) {
-               dma_free_descriptor_ring(&devAttr->ring);
-               rc =
-                    dma_alloc_descriptor_ring(&devAttr->ring,
-                                              numDescriptors);
-               if (rc < 0) {
-                       printk(KERN_ERR
-                              "%s: dma_alloc_descriptor_ring failed: %d\n",
-                              __func__, rc);
-                       goto out;
-               }
-       } else {
-               rc =
-                    dma_init_descriptor_ring(&devAttr->ring,
-                                             numDescriptors);
-               if (rc < 0) {
-                       printk(KERN_ERR
-                              "%s: dma_init_descriptor_ring failed: %d\n",
-                              __func__, rc);
-                       goto out;
-               }
-       }
-
-       /* Populate the descriptors */
-
-       for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
-               region = &memMap->region[regionIdx];
-
-               for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed;
-                    segmentIdx++) {
-                       segment = &region->segment[segmentIdx];
-
-                       if (memMap->dir == DMA_TO_DEVICE) {
-                               srcPhysAddr = segment->physAddr;
-                               dstPhysAddr = devPhysAddr;
-                       } else {
-                               srcPhysAddr = devPhysAddr;
-                               dstPhysAddr = segment->physAddr;
-                       }
-
-                       rc =
-                            dma_add_descriptors(&devAttr->ring, dev,
-                                                srcPhysAddr, dstPhysAddr,
-                                                segment->numBytes);
-                       if (rc < 0) {
-                               printk(KERN_ERR
-                                      "%s: dma_add_descriptors failed: %d\n",
-                                      __func__, rc);
-                               goto out;
-                       }
-               }
-       }
-
-       rc = 0;
-
-out:
-
-       up(&memMap->lock);
-       return rc;
-}
-
-EXPORT_SYMBOL(dma_map_create_descriptor_ring);
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_unmap(DMA_MemMap_t *memMap,    /* Stores state information about the map */
-             int dirtied       /* non-zero if any of the pages were modified */
-    ) {
-
-       int rc = 0;
-       int regionIdx;
-       int segmentIdx;
-       DMA_Region_t *region;
-       DMA_Segment_t *segment;
-
-       down(&memMap->lock);
-
-       for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
-               region = &memMap->region[regionIdx];
-
-               for (segmentIdx = 0; segmentIdx < region->numSegmentsUsed;
-                    segmentIdx++) {
-                       segment = &region->segment[segmentIdx];
-
-                       switch (region->memType) {
-                       case DMA_MEM_TYPE_VMALLOC:
-                               {
-                                       printk(KERN_ERR
-                                              "%s: vmalloc'd pages are not yet supported\n",
-                                              __func__);
-                                       rc = -EINVAL;
-                                       goto out;
-                               }
-
-                       case DMA_MEM_TYPE_KMALLOC:
-                               {
-#if ALLOW_MAP_OF_KMALLOC_MEMORY
-                                       dma_unmap_single(NULL,
-                                                        segment->physAddr,
-                                                        segment->numBytes,
-                                                        memMap->dir);
-#endif
-                                       break;
-                               }
-
-                       case DMA_MEM_TYPE_DMA:
-                               {
-                                       dma_sync_single_for_cpu(NULL,
-                                                               segment->
-                                                               physAddr,
-                                                               segment->
-                                                               numBytes,
-                                                               memMap->dir);
-                                       break;
-                               }
-
-                       case DMA_MEM_TYPE_USER:
-                               {
-                                       /* Nothing to do here. */
-
-                                       break;
-                               }
-
-                       default:
-                               {
-                                       printk(KERN_ERR
-                                              "%s: Unsupported memory type: %d\n",
-                                              __func__, region->memType);
-                                       rc = -EINVAL;
-                                       goto out;
-                               }
-                       }
-
-                       segment->virtAddr = NULL;
-                       segment->physAddr = 0;
-                       segment->numBytes = 0;
-               }
-
-               if (region->numLockedPages > 0) {
-                       int pageIdx;
-
-                       /* Some user pages were locked. We need to go and unlock them now. */
-
-                       for (pageIdx = 0; pageIdx < region->numLockedPages;
-                            pageIdx++) {
-                               struct page *page =
-                                   region->lockedPages[pageIdx];
-
-                               if (memMap->dir == DMA_FROM_DEVICE) {
-                                       SetPageDirty(page);
-                               }
-                               page_cache_release(page);
-                       }
-                       kfree(region->lockedPages);
-                       region->numLockedPages = 0;
-                       region->lockedPages = NULL;
-               }
-
-               region->memType = DMA_MEM_TYPE_NONE;
-               region->virtAddr = NULL;
-               region->numBytes = 0;
-               region->numSegmentsUsed = 0;
-       }
-       memMap->userTask = NULL;
-       memMap->numRegionsUsed = 0;
-       memMap->inUse = 0;
-
-out:
-       up(&memMap->lock);
-
-       return rc;
-}
-
-EXPORT_SYMBOL(dma_unmap);
index 1f2c5319c05656294170621f0653778115441e25..72543781207b2f2a70e5bfbe5d84f44bec3239a7 100644 (file)
 /* ---- Include Files ---------------------------------------------------- */
 
 #include <linux/kernel.h>
-#include <linux/wait.h>
 #include <linux/semaphore.h>
 #include <csp/dmacHw.h>
 #include <mach/timer.h>
-#include <linux/scatterlist.h>
-#include <linux/dma-mapping.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/pagemap.h>
 
 /* ---- Constants and Types ---------------------------------------------- */
 
@@ -111,78 +105,6 @@ typedef struct {
 
 } DMA_DescriptorRing_t;
 
-/****************************************************************************
-*
-*   The DMA_MemType_t and DMA_MemMap_t are helper structures used to setup
-*   DMA chains from a variety of memory sources.
-*
-*****************************************************************************/
-
-#define DMA_MEM_MAP_MIN_SIZE    4096   /* Pages less than this size are better */
-                                       /* off not being DMA'd. */
-
-typedef enum {
-       DMA_MEM_TYPE_NONE,      /* Not a valid setting */
-       DMA_MEM_TYPE_VMALLOC,   /* Memory came from vmalloc call */
-       DMA_MEM_TYPE_KMALLOC,   /* Memory came from kmalloc call */
-       DMA_MEM_TYPE_DMA,       /* Memory came from dma_alloc_xxx call */
-       DMA_MEM_TYPE_USER,      /* Memory came from user space. */
-
-} DMA_MemType_t;
-
-/* A segment represents a physically and virtually contiguous chunk of memory. */
-/* i.e. each segment can be DMA'd */
-/* A user of the DMA code will add memory regions. Each region may need to be */
-/* represented by one or more segments. */
-
-typedef struct {
-       void *virtAddr;         /* Virtual address used for this segment */
-       dma_addr_t physAddr;    /* Physical address this segment maps to */
-       size_t numBytes;        /* Size of the segment, in bytes */
-
-} DMA_Segment_t;
-
-/* A region represents a virtually contiguous chunk of memory, which may be */
-/* made up of multiple segments. */
-
-typedef struct {
-       DMA_MemType_t memType;
-       void *virtAddr;
-       size_t numBytes;
-
-       /* Each region (virtually contiguous) consists of one or more segments. Each */
-       /* segment is virtually and physically contiguous. */
-
-       int numSegmentsUsed;
-       int numSegmentsAllocated;
-       DMA_Segment_t *segment;
-
-       /* When a region corresponds to user memory, we need to lock all of the pages */
-       /* down before we can figure out the physical addresses. The lockedPage array contains */
-       /* the pages that were locked, and which subsequently need to be unlocked once the */
-       /* memory is unmapped. */
-
-       unsigned numLockedPages;
-       struct page **lockedPages;
-
-} DMA_Region_t;
-
-typedef struct {
-       int inUse;              /* Is this mapping currently being used? */
-       struct semaphore lock;  /* Acquired when using this structure */
-       enum dma_data_direction dir;    /* Direction this transfer is intended for */
-
-       /* In the event that we're mapping user memory, we need to know which task */
-       /* the memory is for, so that we can obtain the correct mm locks. */
-
-       struct task_struct *userTask;
-
-       int numRegionsUsed;
-       int numRegionsAllocated;
-       DMA_Region_t *region;
-
-} DMA_MemMap_t;
-
 /****************************************************************************
 *
 *   The DMA_DeviceAttribute_t contains information which describes a
@@ -568,124 +490,6 @@ int dma_alloc_double_dst_descriptors(DMA_Handle_t handle, /* DMA Handle */
                                     size_t numBytes    /* Number of bytes in each destination buffer */
     );
 
-/****************************************************************************/
-/**
-*   Initializes a DMA_MemMap_t data structure
-*/
-/****************************************************************************/
-
-int dma_init_mem_map(DMA_MemMap_t *memMap      /* Stores state information about the map */
-    );
-
-/****************************************************************************/
-/**
-*   Releases any memory currently being held by a memory mapping structure.
-*/
-/****************************************************************************/
-
-int dma_term_mem_map(DMA_MemMap_t *memMap      /* Stores state information about the map */
-    );
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and categorizes it.
-*
-*   @return One of the values from the DMA_MemType_t enumeration.
-*/
-/****************************************************************************/
-
-DMA_MemType_t dma_mem_type(void *addr);
-
-/****************************************************************************/
-/**
-*   Sets the process (aka userTask) associated with a mem map. This is
-*   required if user-mode segments will be added to the mapping.
-*/
-/****************************************************************************/
-
-static inline void dma_mem_map_set_user_task(DMA_MemMap_t *memMap,
-                                            struct task_struct *task)
-{
-       memMap->userTask = task;
-}
-
-/****************************************************************************/
-/**
-*   Looks at a memory address and determines if we support DMA'ing to/from
-*   that type of memory.
-*
-*   @return boolean -
-*               return value != 0 means dma supported
-*               return value == 0 means dma not supported
-*/
-/****************************************************************************/
-
-int dma_mem_supports_dma(void *addr);
-
-/****************************************************************************/
-/**
-*   Initializes a memory map for use. Since this function acquires a
-*   sempaphore within the memory map, it is VERY important that dma_unmap
-*   be called when you're finished using the map.
-*/
-/****************************************************************************/
-
-int dma_map_start(DMA_MemMap_t *memMap,        /* Stores state information about the map */
-                 enum dma_data_direction dir   /* Direction that the mapping will be going */
-    );
-
-/****************************************************************************/
-/**
-*   Adds a segment of memory to a memory map.
-*
-*   @return     0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_add_region(DMA_MemMap_t *memMap,   /* Stores state information about the map */
-                      void *mem,       /* Virtual address that we want to get a map of */
-                      size_t numBytes  /* Number of bytes being mapped */
-    );
-
-/****************************************************************************/
-/**
-*   Creates a descriptor ring from a memory mapping.
-*
-*   @return 0 on success, error code otherwise.
-*/
-/****************************************************************************/
-
-int dma_map_create_descriptor_ring(DMA_Device_t dev,   /* DMA device (where the ring is stored) */
-                                  DMA_MemMap_t *memMap,        /* Memory map that will be used */
-                                  dma_addr_t devPhysAddr       /* Physical address of device */
-    );
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_map_mem(DMA_MemMap_t *memMap,  /* Stores state information about the map */
-               void *addr,     /* Virtual address that we want to get a map of */
-               size_t count,   /* Number of bytes being mapped */
-               enum dma_data_direction dir     /* Direction that the mapping will be going */
-    );
-
-/****************************************************************************/
-/**
-*   Maps in a memory region such that it can be used for performing a DMA.
-*
-*   @return
-*/
-/****************************************************************************/
-
-int dma_unmap(DMA_MemMap_t *memMap,    /* Stores state information about the map */
-             int dirtied       /* non-zero if any of the pages were modified */
-    );
-
 /****************************************************************************/
 /**
 *   Initiates a transfer when the descriptors have already been setup.
index 6b22b543a83f0f6f393a2fbf9e23324c2bc7b9d1..d5088900af6c89a41eae892fb80be4d88fc8a73d 100644 (file)
@@ -44,7 +44,7 @@
 #include <mach/aemif.h>
 #include <mach/spi.h>
 
-#define DA850_EVM_PHY_ID               "0:00"
+#define DA850_EVM_PHY_ID               "davinci_mdio-0:00"
 #define DA850_LCD_PWR_PIN              GPIO_TO_PIN(2, 8)
 #define DA850_LCD_BL_PIN               GPIO_TO_PIN(2, 15)
 
index 346e1de2f5a857ac16fb9c2ecb5b85af9c4537d9..849311d3cb7c184f59adb7df85fe36876b4e3cb3 100644 (file)
@@ -54,7 +54,7 @@ static inline int have_tvp7002(void)
        return 0;
 }
 
-#define DM365_EVM_PHY_ID               "0:01"
+#define DM365_EVM_PHY_ID               "davinci_mdio-0:01"
 /*
  * A MAX-II CPLD is used for various board control functions.
  */
index a64b49cfedcad5f495ac2e360751e045036ca2cd..1247ecdcf752d57c7d6aa476a699b34c158a4324 100644 (file)
@@ -40,7 +40,7 @@
 #include <mach/usb.h>
 #include <mach/aemif.h>
 
-#define DM644X_EVM_PHY_ID              "0:01"
+#define DM644X_EVM_PHY_ID              "davinci_mdio-0:01"
 #define LXT971_PHY_ID  (0x001378e2)
 #define LXT971_PHY_MASK        (0xfffffff0)
 
index 64017558860bd0c127a9c5178d8aacd47229a62f..872ac69fa0490af84501ac13d73a792bf5f6aea7 100644 (file)
@@ -736,7 +736,7 @@ static struct davinci_uart_config uart_config __initdata = {
        .enabled_uarts = (1 << 0),
 };
 
-#define DM646X_EVM_PHY_ID              "0:01"
+#define DM646X_EVM_PHY_ID              "davinci_mdio-0:01"
 /*
  * The following EDMA channels/slots are not being used by drivers (for
  * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
index 6c4a16415d476f58fbdadb88308cb803a9019956..8d34f513d41507b7bf2562739d8f824cc1e40c35 100644 (file)
@@ -39,7 +39,7 @@
 #include <mach/mmc.h>
 #include <mach/usb.h>
 
-#define NEUROS_OSD2_PHY_ID             "0:01"
+#define NEUROS_OSD2_PHY_ID             "davinci_mdio-0:01"
 #define LXT971_PHY_ID                  0x001378e2
 #define LXT971_PHY_MASK                        0xfffffff0
 
index e7c0c7c534937132929cf4cdd760fb4c63f4118b..45e815760a27fd0cfc0f2965590eb90a1779b240 100644 (file)
@@ -21,7 +21,7 @@
 #include <mach/da8xx.h>
 #include <mach/mux.h>
 
-#define HAWKBOARD_PHY_ID               "0:07"
+#define HAWKBOARD_PHY_ID               "davinci_mdio-0:07"
 #define DA850_HAWK_MMCSD_CD_PIN                GPIO_TO_PIN(3, 12)
 #define DA850_HAWK_MMCSD_WP_PIN                GPIO_TO_PIN(3, 13)
 
index 0b136a831c59563100312646d0b1b1324e8c4e20..31da3c5b2ba37f4934c09fa50bc2aa1cad775631 100644 (file)
@@ -42,7 +42,7 @@
 #include <mach/mux.h>
 #include <mach/usb.h>
 
-#define SFFSDR_PHY_ID          "0:01"
+#define SFFSDR_PHY_ID          "davinci_mdio-0:01"
 static struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
        /* U-Boot Environment: Block 0
         * UBL:                Block 1
index 0ed7fdb64efbf5211a8e5b8fc19bc5cf56fc3b97..992c4c4101856db5f8f503cdd34aa5fbd5196806 100644 (file)
@@ -153,34 +153,6 @@ static struct clk pll1_sysclk3 = {
        .div_reg        = PLLDIV3,
 };
 
-static struct clk pll1_sysclk4 = {
-       .name           = "pll1_sysclk4",
-       .parent         = &pll1_clk,
-       .flags          = CLK_PLL,
-       .div_reg        = PLLDIV4,
-};
-
-static struct clk pll1_sysclk5 = {
-       .name           = "pll1_sysclk5",
-       .parent         = &pll1_clk,
-       .flags          = CLK_PLL,
-       .div_reg        = PLLDIV5,
-};
-
-static struct clk pll1_sysclk6 = {
-       .name           = "pll0_sysclk6",
-       .parent         = &pll0_clk,
-       .flags          = CLK_PLL,
-       .div_reg        = PLLDIV6,
-};
-
-static struct clk pll1_sysclk7 = {
-       .name           = "pll1_sysclk7",
-       .parent         = &pll1_clk,
-       .flags          = CLK_PLL,
-       .div_reg        = PLLDIV7,
-};
-
 static struct clk i2c0_clk = {
        .name           = "i2c0",
        .parent         = &pll0_aux_clk,
@@ -397,10 +369,6 @@ static struct clk_lookup da850_clks[] = {
        CLK(NULL,               "pll1_aux",     &pll1_aux_clk),
        CLK(NULL,               "pll1_sysclk2", &pll1_sysclk2),
        CLK(NULL,               "pll1_sysclk3", &pll1_sysclk3),
-       CLK(NULL,               "pll1_sysclk4", &pll1_sysclk4),
-       CLK(NULL,               "pll1_sysclk5", &pll1_sysclk5),
-       CLK(NULL,               "pll1_sysclk6", &pll1_sysclk6),
-       CLK(NULL,               "pll1_sysclk7", &pll1_sysclk7),
        CLK("i2c_davinci.1",    NULL,           &i2c0_clk),
        CLK(NULL,               "timer0",       &timerp64_0_clk),
        CLK("watchdog",         NULL,           &timerp64_1_clk),
index 41e6612ecbafb3e2aebbf65fff58040507961bd2..d965da45160e67c4e03056a7d8c0d72178575042 100644 (file)
@@ -213,13 +213,12 @@ config MACH_OMAP3_PANDORA
        depends on ARCH_OMAP3
        default y
        select OMAP_PACKAGE_CBB
-       select REGULATOR_FIXED_VOLTAGE
+       select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_OMAP3_TOUCHBOOK
        bool "OMAP3 Touch Book"
        depends on ARCH_OMAP3
        default y
-       select BACKLIGHT_CLASS_DEVICE
 
 config MACH_OMAP_3430SDP
        bool "OMAP 3430 SDP board"
@@ -265,7 +264,7 @@ config MACH_OMAP_ZOOM2
        select SERIAL_8250
        select SERIAL_CORE_CONSOLE
        select SERIAL_8250_CONSOLE
-       select REGULATOR_FIXED_VOLTAGE
+       select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_OMAP_ZOOM3
        bool "OMAP3630 Zoom3 board"
@@ -275,7 +274,7 @@ config MACH_OMAP_ZOOM3
        select SERIAL_8250
        select SERIAL_CORE_CONSOLE
        select SERIAL_8250_CONSOLE
-       select REGULATOR_FIXED_VOLTAGE
+       select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_CM_T35
        bool "CompuLab CM-T35/CM-T3730 modules"
@@ -334,7 +333,7 @@ config MACH_OMAP_4430SDP
        depends on ARCH_OMAP4
        select OMAP_PACKAGE_CBL
        select OMAP_PACKAGE_CBS
-       select REGULATOR_FIXED_VOLTAGE
+       select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_OMAP4_PANDA
        bool "OMAP4 Panda Board"
@@ -342,7 +341,7 @@ config MACH_OMAP4_PANDA
        depends on ARCH_OMAP4
        select OMAP_PACKAGE_CBL
        select OMAP_PACKAGE_CBS
-       select REGULATOR_FIXED_VOLTAGE
+       select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config OMAP3_EMU
        bool "OMAP3 debugging peripherals"
index 0b510ad01a00b5a7ad4ae224f17447e8bba6301f..283d11eae693115b42d2bbcca9176f019274960c 100644 (file)
@@ -405,6 +405,7 @@ static int omap_mcspi_init(struct omap_hwmod *oh, void *unused)
                        break;
        default:
                        pr_err("Invalid McSPI Revision value\n");
+                       kfree(pdata);
                        return -EINVAL;
        }
 
index 130034bf01d5f880541976cf3210de7e74293ce1..dfffbbf4c009624c87375b6322a2a7285cd8a2e7 100644 (file)
@@ -528,7 +528,13 @@ int gpmc_cs_configure(int cs, int cmd, int wval)
 
        case GPMC_CONFIG_DEV_SIZE:
                regval  = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+
+               /* clear 2 target bits */
+               regval &= ~GPMC_CONFIG1_DEVICESIZE(3);
+
+               /* set the proper value */
                regval |= GPMC_CONFIG1_DEVICESIZE(wval);
+
                gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, regval);
                break;
 
index bd844af13af56106d7fe5511dcaa6d2ebf6f7afa..ad0adb5a1e0eb62b025abc56006d068f92771d32 100644 (file)
@@ -175,14 +175,15 @@ static void hsmmc2_select_input_clk_src(struct omap_mmc_platform_data *mmc)
 {
        u32 reg;
 
-       if (mmc->slots[0].internal_clock) {
-               reg = omap_ctrl_readl(control_devconf1_offset);
+       reg = omap_ctrl_readl(control_devconf1_offset);
+       if (mmc->slots[0].internal_clock)
                reg |= OMAP2_MMCSDIO2ADPCLKISEL;
-               omap_ctrl_writel(reg, control_devconf1_offset);
-       }
+       else
+               reg &= ~OMAP2_MMCSDIO2ADPCLKISEL;
+       omap_ctrl_writel(reg, control_devconf1_offset);
 }
 
-static void hsmmc23_before_set_reg(struct device *dev, int slot,
+static void hsmmc2_before_set_reg(struct device *dev, int slot,
                                   int power_on, int vdd)
 {
        struct omap_mmc_platform_data *mmc = dev->platform_data;
@@ -407,14 +408,13 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
                        c->caps &= ~MMC_CAP_8_BIT_DATA;
                        c->caps |= MMC_CAP_4_BIT_DATA;
                }
-               /* FALLTHROUGH */
-       case 3:
                if (mmc->slots[0].features & HSMMC_HAS_PBIAS) {
                        /* off-chip level shifting, or none */
-                       mmc->slots[0].before_set_reg = hsmmc23_before_set_reg;
+                       mmc->slots[0].before_set_reg = hsmmc2_before_set_reg;
                        mmc->slots[0].after_set_reg = NULL;
                }
                break;
+       case 3:
        case 4:
        case 5:
                mmc->slots[0].before_set_reg = NULL;
index 3f174d51f67fb8e4f41f01ebbbe577c892999449..eb50c29fb6448e1404eef693e8f74c5e10641aed 100644 (file)
@@ -388,7 +388,7 @@ static void __init omap_hwmod_init_postsetup(void)
        omap_pm_if_early_init();
 }
 
-#ifdef CONFIG_ARCH_OMAP2
+#ifdef CONFIG_SOC_OMAP2420
 void __init omap2420_init_early(void)
 {
        omap2_set_globals_242x();
@@ -400,7 +400,9 @@ void __init omap2420_init_early(void)
        omap_hwmod_init_postsetup();
        omap2420_clk_init();
 }
+#endif
 
+#ifdef CONFIG_SOC_OMAP2430
 void __init omap2430_init_early(void)
 {
        omap2_set_globals_243x();
index c11273da5dcc33f046e94babfdb6f34c1d6f2778..f08e442af3976d371bda89390c6529fe25839604 100644 (file)
@@ -55,27 +55,6 @@ struct omap_hwmod_class omap2_dss_hwmod_class = {
        .reset  = omap_dss_reset,
 };
 
-/*
- * 'dispc' class
- * display controller
- */
-
-static struct omap_hwmod_class_sysconfig omap2_dispc_sysc = {
-       .rev_offs       = 0x0000,
-       .sysc_offs      = 0x0010,
-       .syss_offs      = 0x0014,
-       .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE |
-                          SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
-       .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
-                          MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
-       .sysc_fields    = &omap_hwmod_sysc_type1,
-};
-
-struct omap_hwmod_class omap2_dispc_hwmod_class = {
-       .name   = "dispc",
-       .sysc   = &omap2_dispc_sysc,
-};
-
 /*
  * 'rfbi' class
  * remote frame buffer interface
index 177dee20faef1ef79b8bacdcde89a4b8e86f1946..2a6729741b069c2fd7633bbfb14dab1432c471d7 100644 (file)
@@ -28,6 +28,28 @@ struct omap_hwmod_dma_info omap2xxx_dss_sdma_chs[] = {
        { .name = "dispc", .dma_req = 5 },
        { .dma_req = -1 }
 };
+
+/*
+ * 'dispc' class
+ * display controller
+ */
+
+static struct omap_hwmod_class_sysconfig omap2_dispc_sysc = {
+       .rev_offs       = 0x0000,
+       .sysc_offs      = 0x0010,
+       .syss_offs      = 0x0014,
+       .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE |
+                          SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+       .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+                          MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
+       .sysc_fields    = &omap_hwmod_sysc_type1,
+};
+
+struct omap_hwmod_class omap2_dispc_hwmod_class = {
+       .name   = "dispc",
+       .sysc   = &omap2_dispc_sysc,
+};
+
 /* OMAP2xxx Timer Common */
 static struct omap_hwmod_class_sysconfig omap2xxx_timer_sysc = {
        .rev_offs       = 0x0000,
index 5324e8d93bc0262d9019db6feb7f81fdc42a8f44..3c8dd928628efd7c01cad5a1d2743c7ddc34a660 100644 (file)
@@ -1480,6 +1480,28 @@ static struct omap_hwmod omap3xxx_dss_core_hwmod = {
        .masters_cnt    = ARRAY_SIZE(omap3xxx_dss_masters),
 };
 
+/*
+ * 'dispc' class
+ * display controller
+ */
+
+static struct omap_hwmod_class_sysconfig omap3_dispc_sysc = {
+       .rev_offs       = 0x0000,
+       .sysc_offs      = 0x0010,
+       .syss_offs      = 0x0014,
+       .sysc_flags     = (SYSC_HAS_SIDLEMODE | SYSC_HAS_MIDLEMODE |
+                          SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+                          SYSC_HAS_ENAWAKEUP),
+       .idlemodes      = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+                          MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
+       .sysc_fields    = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap3_dispc_hwmod_class = {
+       .name   = "dispc",
+       .sysc   = &omap3_dispc_sysc,
+};
+
 /* l4_core -> dss_dispc */
 static struct omap_hwmod_ocp_if omap3xxx_l4_core__dss_dispc = {
        .master         = &omap3xxx_l4_core_hwmod,
@@ -1503,7 +1525,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_dispc_slaves[] = {
 
 static struct omap_hwmod omap3xxx_dss_dispc_hwmod = {
        .name           = "dss_dispc",
-       .class          = &omap2_dispc_hwmod_class,
+       .class          = &omap3_dispc_hwmod_class,
        .mpu_irqs       = omap2_dispc_irqs,
        .main_clk       = "dss1_alwon_fck",
        .prcm           = {
@@ -3523,12 +3545,6 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
        &omap3xxx_uart2_hwmod,
        &omap3xxx_uart3_hwmod,
 
-       /* dss class */
-       &omap3xxx_dss_dispc_hwmod,
-       &omap3xxx_dss_dsi1_hwmod,
-       &omap3xxx_dss_rfbi_hwmod,
-       &omap3xxx_dss_venc_hwmod,
-
        /* i2c class */
        &omap3xxx_i2c1_hwmod,
        &omap3xxx_i2c2_hwmod,
@@ -3635,6 +3651,15 @@ static __initdata struct omap_hwmod *am35xx_hwmods[] = {
        NULL
 };
 
+static __initdata struct omap_hwmod *omap3xxx_dss_hwmods[] = {
+       /* dss class */
+       &omap3xxx_dss_dispc_hwmod,
+       &omap3xxx_dss_dsi1_hwmod,
+       &omap3xxx_dss_rfbi_hwmod,
+       &omap3xxx_dss_venc_hwmod,
+       NULL
+};
+
 int __init omap3xxx_hwmod_init(void)
 {
        int r;
@@ -3708,6 +3733,21 @@ int __init omap3xxx_hwmod_init(void)
 
        if (h)
                r = omap_hwmod_register(h);
+       if (r < 0)
+               return r;
+
+       /*
+        * DSS code presumes that dss_core hwmod is handled first,
+        * _before_ any other DSS related hwmods so register common
+        * DSS hwmods last to ensure that dss_core is already registered.
+        * Otherwise some change things may happen, for ex. if dispc
+        * is handled before dss_core and DSS is enabled in bootloader
+        * DIPSC will be reset with outputs enabled which sometimes leads
+        * to unrecoverable L3 error.
+        * XXX The long-term fix to this is to ensure modules are set up
+        * in dependency order in the hwmod core code.
+        */
+       r = omap_hwmod_register(omap3xxx_dss_hwmods);
 
        return r;
 }
index f9f1510817603332292348eedccca1155ac80895..ef0524c10a840296b089f4e3ca81d291f737a503 100644 (file)
@@ -1031,6 +1031,7 @@ static struct omap_hwmod_dma_info omap44xx_dmic_sdma_reqs[] = {
 
 static struct omap_hwmod_addr_space omap44xx_dmic_addrs[] = {
        {
+               .name           = "mpu",
                .pa_start       = 0x4012e000,
                .pa_end         = 0x4012e07f,
                .flags          = ADDR_TYPE_RT
@@ -1049,6 +1050,7 @@ static struct omap_hwmod_ocp_if omap44xx_l4_abe__dmic = {
 
 static struct omap_hwmod_addr_space omap44xx_dmic_dma_addrs[] = {
        {
+               .name           = "dma",
                .pa_start       = 0x4902e000,
                .pa_end         = 0x4902e07f,
                .flags          = ADDR_TYPE_RT
index c1c4d86a79a8e5f7ff32b2739928963be7a4d4e2..9ce765407ad55d5ac9190af77cdb48338c338752 100644 (file)
@@ -19,6 +19,7 @@
 #include "common.h"
 #include <plat/cpu.h>
 #include <plat/prcm.h>
+#include <plat/irqs.h>
 
 #include "vp.h"
 
index 9dd93453e563eaa666b2640663d529dc9102c928..7e755bb0ffc4c6a9bbfa906609cc370e383fdbf1 100644 (file)
@@ -897,7 +897,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                ret = sr_late_init(sr_info);
                if (ret) {
                        pr_warning("%s: Error in SR late init\n", __func__);
-                       return ret;
+                       goto err_iounmap;
                }
        }
 
index 6eeff0e0ae01932d0e841444754d913a30e748b5..5c9acea957619196d502baaa3fd591e96a1db01d 100644 (file)
@@ -270,7 +270,7 @@ static struct clocksource clocksource_gpt = {
 static u32 notrace dmtimer_read_sched_clock(void)
 {
        if (clksrc.reserved)
-               return __omap_dm_timer_read_counter(clksrc.io_base, 1);
+               return __omap_dm_timer_read_counter(&clksrc, 1);
 
        return 0;
 }
index 6fcf304d3cdf53869f4d7b64d701e4d5e92345ce..a83cf51fc09906a13018472b4f563baebaf7bcb5 100644 (file)
@@ -662,6 +662,7 @@ static struct sh_dmae_pdata usb_dma0_platform_data = {
        .dmaor_is_32bit = 1,
        .needs_tend_set = 1,
        .no_dmars       = 1,
+       .slave_only     = 1,
 };
 
 static struct resource sh7372_usb_dmae0_resources[] = {
@@ -723,6 +724,7 @@ static struct sh_dmae_pdata usb_dma1_platform_data = {
        .dmaor_is_32bit = 1,
        .needs_tend_set = 1,
        .no_dmars       = 1,
+       .slave_only     = 1,
 };
 
 static struct resource sh7372_usb_dmae1_resources[] = {
index ba159370fa5f710633d6b00a078c23bc40ad6f6a..80632e8d7538f33d5a6539df5a72a90fff52e7ec 100644 (file)
@@ -225,8 +225,7 @@ void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
                if ((area->flags & VM_ARM_MTYPE_MASK) != VM_ARM_MTYPE(mtype))
                        continue;
                if (__phys_to_pfn(area->phys_addr) > pfn ||
-                   __pfn_to_phys(pfn) + offset + size-1 >
-                   area->phys_addr + area->size-1)
+                   __pfn_to_phys(pfn) + size-1 > area->phys_addr + area->size-1)
                        continue;
                /* we can drop the lock here as we know *area is static */
                read_unlock(&vmlist_lock);
index 197e96f7040594fa1994f6d7f61edddff6ccd65d..3dea7231f637c5d09e8c545fdee437a550b67c10 100644 (file)
@@ -8,6 +8,7 @@ config AVR32
        select HAVE_KPROBES
        select HAVE_GENERIC_HARDIRQS
        select GENERIC_IRQ_PROBE
+       select GENERIC_ATOMIC64
        select HARDIRQS_SW_RESEND
        select GENERIC_IRQ_SHOW
        select ARCH_HAVE_NMI_SAFE_CMPXCHG
index d4fc1a9717796610623cefa50c0ffd706225087e..604cd9dd133362712e5220510be83be134d96ec1 100644 (file)
@@ -26,7 +26,6 @@
 #include <linux/cache.h>
 #include <linux/of_platform.h>
 #include <linux/dma-mapping.h>
-#include <linux/cpu.h>
 #include <asm/cacheflush.h>
 #include <asm/entry.h>
 #include <asm/cpuinfo.h>
@@ -227,23 +226,5 @@ static int __init setup_bus_notifier(void)
 
        return 0;
 }
-arch_initcall(setup_bus_notifier);
-
-static DEFINE_PER_CPU(struct cpu, cpu_devices);
-
-static int __init topology_init(void)
-{
-       int i, ret;
-
-       for_each_present_cpu(i) {
-               struct cpu *c = &per_cpu(cpu_devices, i);
 
-               ret = register_cpu(c, i);
-               if (ret)
-                       printk(KERN_WARNING "topology_init: register_cpu %d "
-                                               "failed (%d)\n", i, ret);
-       }
-
-       return 0;
-}
-subsys_initcall(topology_init);
+arch_initcall(setup_bus_notifier);
index 96657992a72eef8f69580cc9cdb12e2c184639ec..ca5580e4d813711f272c57ddb6b5f43428ed99f9 100644 (file)
@@ -33,6 +33,7 @@ config SPARC
 config SPARC32
        def_bool !64BIT
        select GENERIC_ATOMIC64
+       select CLZ_TAB
 
 config SPARC64
        def_bool 64BIT
index 681b3683da9e6134d065d8d719a691738f01653d..d74bc0925f2d2fc0ffbfb419f01e55fcd10d4019 100644 (file)
@@ -17,23 +17,9 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-       .data
-       .align 8
-       .globl  __clz_tab
-__clz_tab:
-       .byte   0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5
-       .byte   6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6
-       .byte   7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
-       .byte   7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
-       .byte   8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
-       .byte   8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
-       .byte   8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
-       .byte   8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
-       .size    __clz_tab,256
-       .global .udiv
-
        .text
        .align 4
+       .global .udiv
        .globl __divdi3
 __divdi3:
        save %sp,-104,%sp
index 0c9fa2745f13e4c1f242d3f37813f25849aebd6d..b3b7332629096849d11866c017c4444f8d156f9e 100644 (file)
@@ -145,13 +145,13 @@ extern void __add_wrong_size(void)
 
 #ifdef __HAVE_ARCH_CMPXCHG
 #define cmpxchg(ptr, old, new)                                         \
-       __cmpxchg((ptr), (old), (new), sizeof(*ptr))
+       __cmpxchg(ptr, old, new, sizeof(*(ptr)))
 
 #define sync_cmpxchg(ptr, old, new)                                    \
-       __sync_cmpxchg((ptr), (old), (new), sizeof(*ptr))
+       __sync_cmpxchg(ptr, old, new, sizeof(*(ptr)))
 
 #define cmpxchg_local(ptr, old, new)                                   \
-       __cmpxchg_local((ptr), (old), (new), sizeof(*ptr))
+       __cmpxchg_local(ptr, old, new, sizeof(*(ptr)))
 #endif
 
 /*
index 1aae78f775fc18e4f01b2ed568a1934e2de6dd31..4025fe4f928f6f4cb2ddcfc0233197e9e0b3ad44 100644 (file)
@@ -252,7 +252,8 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
        unsigned short ss;
        unsigned long sp;
 #endif
-       printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter);
+       printk(KERN_DEFAULT
+              "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter);
 #ifdef CONFIG_PREEMPT
        printk("PREEMPT ");
 #endif
index 6d728d9284bd0e3b94213206bd93af5afbfb7912..17107bd6e1f0af06b5e59b1c48d452305a8b3214 100644 (file)
@@ -129,7 +129,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
        if (!stack) {
                if (regs)
                        stack = (unsigned long *)regs->sp;
-               else if (task && task != current)
+               else if (task != current)
                        stack = (unsigned long *)task->thread.sp;
                else
                        stack = &dummy;
@@ -269,11 +269,11 @@ void show_registers(struct pt_regs *regs)
                unsigned char c;
                u8 *ip;
 
-               printk(KERN_EMERG "Stack:\n");
+               printk(KERN_DEFAULT "Stack:\n");
                show_stack_log_lvl(NULL, regs, (unsigned long *)sp,
-                                  0, KERN_EMERG);
+                                  0, KERN_DEFAULT);
 
-               printk(KERN_EMERG "Code: ");
+               printk(KERN_DEFAULT "Code: ");
 
                ip = (u8 *)regs->ip - code_prologue;
                if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) {
index 37a458b521a6020598b69305c782a0f28bd75b27..d840e69a853c0ed3fb48d1bd9f6abc2367275efa 100644 (file)
@@ -39,6 +39,14 @@ static int reboot_mode;
 enum reboot_type reboot_type = BOOT_ACPI;
 int reboot_force;
 
+/* This variable is used privately to keep track of whether or not
+ * reboot_type is still set to its default value (i.e., reboot= hasn't
+ * been set on the command line).  This is needed so that we can
+ * suppress DMI scanning for reboot quirks.  Without it, it's
+ * impossible to override a faulty reboot quirk without recompiling.
+ */
+static int reboot_default = 1;
+
 #if defined(CONFIG_X86_32) && defined(CONFIG_SMP)
 static int reboot_cpu = -1;
 #endif
@@ -67,6 +75,12 @@ bool port_cf9_safe = false;
 static int __init reboot_setup(char *str)
 {
        for (;;) {
+               /* Having anything passed on the command line via
+                * reboot= will cause us to disable DMI checking
+                * below.
+                */
+               reboot_default = 0;
+
                switch (*str) {
                case 'w':
                        reboot_mode = 0x1234;
@@ -295,14 +309,6 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                        DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
                },
        },
-       {       /* Handle problems with rebooting on VersaLogic Menlow boards */
-               .callback = set_bios_reboot,
-               .ident = "VersaLogic Menlow based board",
-               .matches = {
-                       DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"),
-                       DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"),
-               },
-       },
        { /* Handle reboot issue on Acer Aspire one */
                .callback = set_kbd_reboot,
                .ident = "Acer Aspire One A110",
@@ -316,7 +322,12 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
 
 static int __init reboot_init(void)
 {
-       dmi_check_system(reboot_dmi_table);
+       /* Only do the DMI check if reboot_type hasn't been overridden
+        * on the command line
+        */
+       if (reboot_default) {
+               dmi_check_system(reboot_dmi_table);
+       }
        return 0;
 }
 core_initcall(reboot_init);
@@ -465,7 +476,12 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
 
 static int __init pci_reboot_init(void)
 {
-       dmi_check_system(pci_reboot_dmi_table);
+       /* Only do the DMI check if reboot_type hasn't been overridden
+        * on the command line
+        */
+       if (reboot_default) {
+               dmi_check_system(pci_reboot_dmi_table);
+       }
        return 0;
 }
 core_initcall(pci_reboot_init);
index 9d74824a708dcdd1cd3b0e6ce4798e79fbbf1c01..f0b4caf85c1a8687496b863745f11838a4d430b8 100644 (file)
@@ -673,7 +673,7 @@ no_context(struct pt_regs *regs, unsigned long error_code,
 
        stackend = end_of_stack(tsk);
        if (tsk != &init_task && *stackend != STACK_END_MAGIC)
-               printk(KERN_ALERT "Thread overran stack, or stack corrupted\n");
+               printk(KERN_EMERG "Thread overran stack, or stack corrupted\n");
 
        tsk->thread.cr2         = address;
        tsk->thread.trap_no     = 14;
@@ -684,7 +684,7 @@ no_context(struct pt_regs *regs, unsigned long error_code,
                sig = 0;
 
        /* Executive summary in case the body of the oops scrolled away */
-       printk(KERN_EMERG "CR2: %016lx\n", address);
+       printk(KERN_DEFAULT "CR2: %016lx\n", address);
 
        oops_end(flags, regs, sig);
 }
index 5fb8c27cbef58dd98cb3847e2bc1b286fdad1cd3..405a8c49ff2c991b132ea31539f128069fbb03eb 100644 (file)
@@ -118,7 +118,4 @@ extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
 /* Don't build bcopy at all ...  */
 #define __HAVE_ARCH_BCOPY
 
-#define __HAVE_ARCH_MEMSCAN
-#define memscan memchr
-
 #endif /* _XTENSA_STRING_H */
index 3fd31dec8c9c1980fcdc8f7aa95b28d23addcb5b..a6278e7e61a00bfde01bcb6726524ffb3a06514e 100644 (file)
@@ -380,6 +380,7 @@ static int rbd_get_client(struct rbd_device *rbd_dev, const char *mon_addr,
        rbdc = __rbd_client_find(opt);
        if (rbdc) {
                ceph_destroy_options(opt);
+               kfree(rbd_opts);
 
                /* using an existing client */
                kref_get(&rbdc->kref);
@@ -406,15 +407,15 @@ done_err:
 
 /*
  * Destroy ceph client
+ *
+ * Caller must hold node_lock.
  */
 static void rbd_client_release(struct kref *kref)
 {
        struct rbd_client *rbdc = container_of(kref, struct rbd_client, kref);
 
        dout("rbd_release_client %p\n", rbdc);
-       spin_lock(&node_lock);
        list_del(&rbdc->node);
-       spin_unlock(&node_lock);
 
        ceph_destroy_client(rbdc->client);
        kfree(rbdc->rbd_opts);
@@ -427,7 +428,9 @@ static void rbd_client_release(struct kref *kref)
  */
 static void rbd_put_client(struct rbd_device *rbd_dev)
 {
+       spin_lock(&node_lock);
        kref_put(&rbd_dev->rbd_client->kref, rbd_client_release);
+       spin_unlock(&node_lock);
        rbd_dev->rbd_client = NULL;
        rbd_dev->client = NULL;
 }
index 97f87b29b9f3db5ea0068e076e145a0a81d5ad08..f4aed5fc2cb6c33d87d8932d8603f705d3d2e589 100644 (file)
@@ -1343,7 +1343,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
 
                tasklet_init(&atchan->tasklet, atc_tasklet,
                                (unsigned long)atchan);
-               atc_enable_irq(atchan);
+               atc_enable_chan_irq(atdma, i);
        }
 
        /* set base routines */
@@ -1410,7 +1410,7 @@ static int __exit at_dma_remove(struct platform_device *pdev)
                struct at_dma_chan      *atchan = to_at_dma_chan(chan);
 
                /* Disable interrupts */
-               atc_disable_irq(atchan);
+               atc_disable_chan_irq(atdma, chan->chan_id);
                tasklet_disable(&atchan->tasklet);
 
                tasklet_kill(&atchan->tasklet);
index dcaedfc181cf489d97bc0bd01444f7d875211fe8..a8d3277d60b5cdd238ea77959c7b40185edfc077 100644 (file)
@@ -327,28 +327,27 @@ static void atc_dump_lli(struct at_dma_chan *atchan, struct at_lli *lli)
 }
 
 
-static void atc_setup_irq(struct at_dma_chan *atchan, int on)
+static void atc_setup_irq(struct at_dma *atdma, int chan_id, int on)
 {
-       struct at_dma   *atdma = to_at_dma(atchan->chan_common.device);
-       u32             ebci;
+       u32 ebci;
 
        /* enable interrupts on buffer transfer completion & error */
-       ebci =    AT_DMA_BTC(atchan->chan_common.chan_id)
-               | AT_DMA_ERR(atchan->chan_common.chan_id);
+       ebci =    AT_DMA_BTC(chan_id)
+               | AT_DMA_ERR(chan_id);
        if (on)
                dma_writel(atdma, EBCIER, ebci);
        else
                dma_writel(atdma, EBCIDR, ebci);
 }
 
-static inline void atc_enable_irq(struct at_dma_chan *atchan)
+static void atc_enable_chan_irq(struct at_dma *atdma, int chan_id)
 {
-       atc_setup_irq(atchan, 1);
+       atc_setup_irq(atdma, chan_id, 1);
 }
 
-static inline void atc_disable_irq(struct at_dma_chan *atchan)
+static void atc_disable_chan_irq(struct at_dma *atdma, int chan_id)
 {
-       atc_setup_irq(atchan, 0);
+       atc_setup_irq(atdma, chan_id, 0);
 }
 
 
index 2b8661b54eaf7ec159d563b7798e6f07ec9dc34e..24225f0fdcd85f93d5feccae6d935e1563a679fb 100644 (file)
@@ -599,7 +599,7 @@ static int dmatest_add_channel(struct dma_chan *chan)
        }
        if (dma_has_cap(DMA_PQ, dma_dev->cap_mask)) {
                cnt = dmatest_add_threads(dtc, DMA_PQ);
-               thread_count += cnt > 0 ?: 0;
+               thread_count += cnt > 0 ? cnt : 0;
        }
 
        pr_info("dmatest: Started %u threads using %s\n",
index a8af379680c16776e19ae3018a9991243a3a8255..8bc5acf36ee5b2e1a633f2cd7f1f39bd5e41059b 100644 (file)
@@ -1102,11 +1102,13 @@ static int sdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
        case DMA_SLAVE_CONFIG:
                if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) {
                        sdmac->per_address = dmaengine_cfg->src_addr;
-                       sdmac->watermark_level = dmaengine_cfg->src_maxburst;
+                       sdmac->watermark_level = dmaengine_cfg->src_maxburst *
+                                               dmaengine_cfg->src_addr_width;
                        sdmac->word_size = dmaengine_cfg->src_addr_width;
                } else {
                        sdmac->per_address = dmaengine_cfg->dst_addr;
-                       sdmac->watermark_level = dmaengine_cfg->dst_maxburst;
+                       sdmac->watermark_level = dmaengine_cfg->dst_maxburst *
+                                               dmaengine_cfg->dst_addr_width;
                        sdmac->word_size = dmaengine_cfg->dst_addr_width;
                }
                sdmac->direction = dmaengine_cfg->direction;
index 54043cd831c8e5b01875e08da6e8870343406134..812fd76e9c18e4b2b210f20125324560a873ddeb 100644 (file)
@@ -1262,7 +1262,8 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
 
        INIT_LIST_HEAD(&shdev->common.channels);
 
-       dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask);
+       if (!pdata->slave_only)
+               dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask);
        if (pdata->slave && pdata->slave_num)
                dma_cap_set(DMA_SLAVE, shdev->common.cap_mask);
 
index 6628feaa76229009f1bf5f62b3419d9e79dcea35..7f5f0da726dafde5ae23ad1343861e12857c5002 100644 (file)
@@ -263,6 +263,7 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card)
 static char ohci_driver_name[] = KBUILD_MODNAME;
 
 #define PCI_DEVICE_ID_AGERE_FW643      0x5901
+#define PCI_DEVICE_ID_CREATIVE_SB1394  0x4001
 #define PCI_DEVICE_ID_JMICRON_JMB38X_FW        0x2380
 #define PCI_DEVICE_ID_TI_TSB12LV22     0x8009
 #define PCI_DEVICE_ID_TI_TSB12LV26     0x8020
@@ -289,6 +290,9 @@ static const struct {
        {PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6,
                QUIRK_NO_MSI},
 
+       {PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_SB1394, PCI_ANY_ID,
+               QUIRK_RESET_PACKET},
+
        {PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_FW, PCI_ANY_ID,
                QUIRK_NO_MSI},
 
@@ -299,7 +303,7 @@ static const struct {
                QUIRK_NO_MSI},
 
        {PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID,
-               QUIRK_CYCLE_TIMER},
+               QUIRK_CYCLE_TIMER | QUIRK_NO_MSI},
 
        {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, PCI_ANY_ID,
                QUIRK_CYCLE_TIMER | QUIRK_RESET_PACKET | QUIRK_NO_1394A},
index 1e382ad5a2b85b04fb6f8b0953fe793eee44f615..a37c31e358aa40eb9a6e618c9c59459b8233329b 100644 (file)
@@ -54,9 +54,10 @@ struct bit_entry {
 int bit_table(struct drm_device *, u8 id, struct bit_entry *);
 
 enum dcb_gpio_tag {
-       DCB_GPIO_TVDAC0 = 0xc,
+       DCB_GPIO_PANEL_POWER = 0x01,
+       DCB_GPIO_TVDAC0 = 0x0c,
        DCB_GPIO_TVDAC1 = 0x2d,
-       DCB_GPIO_PWM_FAN = 0x9,
+       DCB_GPIO_PWM_FAN = 0x09,
        DCB_GPIO_FAN_SENSE = 0x3d,
        DCB_GPIO_UNUSED = 0xff
 };
index 3cb52bc52b21101bbdf0a136b1cd4c2a639fb79e..795a9e3c990a0cba3599b5c754f33adf8e15da93 100644 (file)
@@ -219,6 +219,16 @@ nouveau_display_init(struct drm_device *dev)
        if (ret)
                return ret;
 
+       /* power on internal panel if it's not already.  the init tables of
+        * some vbios default this to off for some reason, causing the
+        * panel to not work after resume
+        */
+       if (nouveau_gpio_func_get(dev, DCB_GPIO_PANEL_POWER) == 0) {
+               nouveau_gpio_func_set(dev, DCB_GPIO_PANEL_POWER, true);
+               msleep(300);
+       }
+
+       /* enable polling for external displays */
        drm_kms_helper_poll_enable(dev);
 
        /* enable hotplug interrupts */
index e4a7cfe7898dc455fa4e423828a73ff162ee4ecc..81d7962e7252cd8f8a819e881fd5430e3f495ff1 100644 (file)
@@ -124,7 +124,7 @@ MODULE_PARM_DESC(ctxfw, "Use external HUB/GPC ucode (fermi)\n");
 int nouveau_ctxfw;
 module_param_named(ctxfw, nouveau_ctxfw, int, 0400);
 
-MODULE_PARM_DESC(ctxfw, "Santise DCB table according to MXM-SIS\n");
+MODULE_PARM_DESC(mxmdcb, "Santise DCB table according to MXM-SIS\n");
 int nouveau_mxmdcb = 1;
 module_param_named(mxmdcb, nouveau_mxmdcb, int, 0400);
 
index 5f0bc57fdaab5e14f1c3bc9f6e049f02c43a5069..7ce3fde4074312948e39c902fb4ca239c8e5a733 100644 (file)
@@ -379,6 +379,25 @@ retry:
        return 0;
 }
 
+static int
+validate_sync(struct nouveau_channel *chan, struct nouveau_bo *nvbo)
+{
+       struct nouveau_fence *fence = NULL;
+       int ret = 0;
+
+       spin_lock(&nvbo->bo.bdev->fence_lock);
+       if (nvbo->bo.sync_obj)
+               fence = nouveau_fence_ref(nvbo->bo.sync_obj);
+       spin_unlock(&nvbo->bo.bdev->fence_lock);
+
+       if (fence) {
+               ret = nouveau_fence_sync(fence, chan);
+               nouveau_fence_unref(&fence);
+       }
+
+       return ret;
+}
+
 static int
 validate_list(struct nouveau_channel *chan, struct list_head *list,
              struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
@@ -393,7 +412,7 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
        list_for_each_entry(nvbo, list, entry) {
                struct drm_nouveau_gem_pushbuf_bo *b = &pbbo[nvbo->pbbo_index];
 
-               ret = nouveau_fence_sync(nvbo->bo.sync_obj, chan);
+               ret = validate_sync(chan, nvbo);
                if (unlikely(ret)) {
                        NV_ERROR(dev, "fail pre-validate sync\n");
                        return ret;
@@ -416,7 +435,7 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
                        return ret;
                }
 
-               ret = nouveau_fence_sync(nvbo->bo.sync_obj, chan);
+               ret = validate_sync(chan, nvbo);
                if (unlikely(ret)) {
                        NV_ERROR(dev, "fail post-validate sync\n");
                        return ret;
index 8bccddf4eff0011e9ad2e330b0ae8163270c2470..e5a64f0f4cb74538f41e121d19b459395be4ce05 100644 (file)
@@ -656,7 +656,16 @@ nouveau_mxm_init(struct drm_device *dev)
 
        if (mxm_shadow(dev, mxm[0])) {
                MXM_MSG(dev, "failed to locate valid SIS\n");
+#if 0
+               /* we should, perhaps, fall back to some kind of limited
+                * mode here if the x86 vbios hasn't already done the
+                * work for us (so we prevent loading with completely
+                * whacked vbios tables).
+                */
                return -EINVAL;
+#else
+               return 0;
+#endif
        }
 
        MXM_MSG(dev, "MXMS Version %d.%d\n",
index 03937212e9d81c97a3595e269cadc13c0f4eea97..ec5481dfcd82ed9ce3aaca764ac0471bfb9eb52f 100644 (file)
@@ -495,9 +495,9 @@ nv50_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl)
        struct drm_nouveau_private *dev_priv = dev->dev_private;
        struct nv50_pm_state *info;
        struct pll_lims pll;
-       int ret = -EINVAL;
+       int clk, ret = -EINVAL;
        int N, M, P1, P2;
-       u32 clk, out;
+       u32 out;
 
        if (dev_priv->chipset == 0xaa ||
            dev_priv->chipset == 0xac)
index 891935271d34c8cce78405c5bf1ee1530329535f..742f17f009a966868179d046dd17390950778b81 100644 (file)
@@ -1184,7 +1184,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
        WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
 
        WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
-              crtc->mode.vdisplay);
+              target_fb->height);
        x &= ~3;
        y &= ~1;
        WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
@@ -1353,7 +1353,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
        WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
 
        WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
-              crtc->mode.vdisplay);
+              target_fb->height);
        x &= ~3;
        y &= ~1;
        WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
index a71557ce01dcfb6bea8ebf78aa2af51f056c080d..552b436451fd49d54df3edb412a63734debad250 100644 (file)
@@ -564,9 +564,21 @@ int radeon_dp_get_panel_mode(struct drm_encoder *encoder,
            ENCODER_OBJECT_ID_NUTMEG)
                panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE;
        else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) ==
-                ENCODER_OBJECT_ID_TRAVIS)
-               panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
-       else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+                ENCODER_OBJECT_ID_TRAVIS) {
+               u8 id[6];
+               int i;
+               for (i = 0; i < 6; i++)
+                       id[i] = radeon_read_dpcd_reg(radeon_connector, 0x503 + i);
+               if (id[0] == 0x73 &&
+                   id[1] == 0x69 &&
+                   id[2] == 0x76 &&
+                   id[3] == 0x61 &&
+                   id[4] == 0x72 &&
+                   id[5] == 0x54)
+                       panel_mode = DP_PANEL_MODE_INTERNAL_DP1_MODE;
+               else
+                       panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
+       } else if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
                u8 tmp = radeon_read_dpcd_reg(radeon_connector, DP_EDP_CONFIGURATION_CAP);
                if (tmp & 1)
                        panel_mode = DP_PANEL_MODE_INTERNAL_DP2_MODE;
index d996f43811302fedd6f6a48169d1858b61d11df2..accc032c103fd3f846f2b57e6da4de8c693c5d1e 100644 (file)
@@ -468,27 +468,42 @@ set_default_state(struct radeon_device *rdev)
        radeon_ring_write(ring, sq_stack_resource_mgmt_2);
 }
 
+#define I2F_MAX_BITS 15
+#define I2F_MAX_INPUT  ((1 << I2F_MAX_BITS) - 1)
+#define I2F_SHIFT (24 - I2F_MAX_BITS)
+
+/*
+ * Converts unsigned integer into 32-bit IEEE floating point representation.
+ * Conversion is not universal and only works for the range from 0
+ * to 2^I2F_MAX_BITS-1. Currently we only use it with inputs between
+ * 0 and 16384 (inclusive), so I2F_MAX_BITS=15 is enough. If necessary,
+ * I2F_MAX_BITS can be increased, but that will add to the loop iterations
+ * and slow us down. Conversion is done by shifting the input and counting
+ * down until the first 1 reaches bit position 23. The resulting counter
+ * and the shifted input are, respectively, the exponent and the fraction.
+ * The sign is always zero.
+ */
 static uint32_t i2f(uint32_t input)
 {
        u32 result, i, exponent, fraction;
 
-       if ((input & 0x3fff) == 0)
-               result = 0; /* 0 is a special case */
+       WARN_ON_ONCE(input > I2F_MAX_INPUT);
+
+       if ((input & I2F_MAX_INPUT) == 0)
+               result = 0;
        else {
-               exponent = 140; /* exponent biased by 127; */
-               fraction = (input & 0x3fff) << 10; /* cheat and only
-                                                     handle numbers below 2^^15 */
-               for (i = 0; i < 14; i++) {
+               exponent = 126 + I2F_MAX_BITS;
+               fraction = (input & I2F_MAX_INPUT) << I2F_SHIFT;
+
+               for (i = 0; i < I2F_MAX_BITS; i++) {
                        if (fraction & 0x800000)
                                break;
                        else {
-                               fraction = fraction << 1; /* keep
-                                                            shifting left until top bit = 1 */
+                               fraction = fraction << 1;
                                exponent = exponent - 1;
                        }
                }
-               result = exponent << 23 | (fraction & 0x7fffff); /* mask
-                                                                   off top bit; assumed 1 */
+               result = exponent << 23 | (fraction & 0x7fffff);
        }
        return result;
 }
index 13ac63ba60752f7eaee7d27564531646cdcd33e4..98724fcb00885e8a6ba3e8e88937b209e545a8e8 100644 (file)
@@ -59,8 +59,9 @@ static int radeon_atrm_call(acpi_handle atrm_handle, uint8_t *bios,
 
        obj = (union acpi_object *)buffer.pointer;
        memcpy(bios+offset, obj->buffer.pointer, obj->buffer.length);
+       len = obj->buffer.length;
        kfree(buffer.pointer);
-       return obj->buffer.length;
+       return len;
 }
 
 bool radeon_atrm_supported(struct pci_dev *pdev)
index cec51a5b69ddd7fae455e1e6f2814f9e36911bcd..49f7cb7e226b893a4a95a068b25179a30f93c892 100644 (file)
@@ -883,6 +883,8 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
        if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
                return 0;
 
+       drm_kms_helper_poll_disable(dev);
+
        /* turn off display hw */
        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
                drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
@@ -972,6 +974,8 @@ int radeon_resume_kms(struct drm_device *dev)
        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
                drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
        }
+
+       drm_kms_helper_poll_enable(dev);
        return 0;
 }
 
index e2a393ff0c44b6ecea60d479399dad10f2c6490a..98a8ad680109efc5fdb7b246d4a79a68839f383d 100644 (file)
@@ -958,6 +958,7 @@ struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
        i2c->rec = *rec;
        i2c->adapter.owner = THIS_MODULE;
        i2c->adapter.class = I2C_CLASS_DDC;
+       i2c->adapter.dev.parent = &dev->pdev->dev;
        i2c->dev = dev;
        snprintf(i2c->adapter.name, sizeof(i2c->adapter.name),
                 "Radeon aux bus %s", name);
index f713eac550470cdac3139952e4229b639c05f798..801df6000e9b2042ce6bc6453b38e49bf41fd031 100644 (file)
@@ -1018,7 +1018,7 @@ omap_i2c_probe(struct platform_device *pdev)
                goto err_release_region;
        }
 
-       match = of_match_device(omap_i2c_of_match, &pdev->dev);
+       match = of_match_device(of_match_ptr(omap_i2c_of_match), &pdev->dev);
        if (match) {
                u32 freq = 100000; /* default to 100000 Hz */
 
index b37b0c02a7b9d7d81cd5a55471e28d2780080377..5034a87cc72dc887553fdfb503e42d8f2e0005aa 100644 (file)
@@ -808,9 +808,12 @@ static ssize_t ucma_accept(struct ucma_file *file, const char __user *inbuf,
                return PTR_ERR(ctx);
 
        if (cmd.conn_param.valid) {
-               ctx->uid = cmd.uid;
                ucma_copy_conn_param(&conn_param, &cmd.conn_param);
+               mutex_lock(&file->mut);
                ret = rdma_accept(ctx->cm_id, &conn_param);
+               if (!ret)
+                       ctx->uid = cmd.uid;
+               mutex_unlock(&file->mut);
        } else
                ret = rdma_accept(ctx->cm_id, NULL);
 
index b930da4c0c632e64019c38b0ebcab9562e15bf65..4d27e4c3fe34badbe941e735edaf9d8fb33b61f2 100644 (file)
@@ -1485,6 +1485,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
                qp->event_handler = attr.event_handler;
                qp->qp_context    = attr.qp_context;
                qp->qp_type       = attr.qp_type;
+               atomic_set(&qp->usecnt, 0);
                atomic_inc(&pd->usecnt);
                atomic_inc(&attr.send_cq->usecnt);
                if (attr.recv_cq)
index 602b1bd723a963aa49904fc0a907d12d965b009e..575b78045aafd1b5a861f9fad753f0108dd7e5d0 100644 (file)
@@ -421,6 +421,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
                qp->uobject    = NULL;
                qp->qp_type    = qp_init_attr->qp_type;
 
+               atomic_set(&qp->usecnt, 0);
                if (qp_init_attr->qp_type == IB_QPT_XRC_TGT) {
                        qp->event_handler = __ib_shared_qp_event_handler;
                        qp->qp_context = qp;
@@ -430,7 +431,6 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd,
                        qp->xrcd = qp_init_attr->xrcd;
                        atomic_inc(&qp_init_attr->xrcd->usecnt);
                        INIT_LIST_HEAD(&qp->open_list);
-                       atomic_set(&qp->usecnt, 0);
 
                        real_qp = qp;
                        qp = __ib_open_qp(real_qp, qp_init_attr->event_handler,
index b7d4216db3c35636ff91734e33d3ad0bcef357b1..a4de9d58e9b4749edda15575ed4c8a4e254678c1 100644 (file)
@@ -89,7 +89,7 @@ static int create_file(const char *name, umode_t mode,
                error = ipathfs_mknod(parent->d_inode, *dentry,
                                      mode, fops, data);
        else
-               error = PTR_ERR(dentry);
+               error = PTR_ERR(*dentry);
        mutex_unlock(&parent->d_inode->i_mutex);
 
        return error;
index 95c94d8f02543ed89631f424a3c39c31c74cfa13..259b0670b51cd6cb430c859f9012796a9c2af954 100644 (file)
@@ -257,12 +257,9 @@ static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
                        return IB_MAD_RESULT_SUCCESS;
 
                /*
-                * Don't process SMInfo queries or vendor-specific
-                * MADs -- the SMA can't handle them.
+                * Don't process SMInfo queries -- the SMA can't handle them.
                 */
-               if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO ||
-                   ((in_mad->mad_hdr.attr_id & IB_SMP_ATTR_VENDOR_MASK) ==
-                    IB_SMP_ATTR_VENDOR_MASK))
+               if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO)
                        return IB_MAD_RESULT_SUCCESS;
        } else if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT ||
                   in_mad->mad_hdr.mgmt_class == MLX4_IB_VENDOR_CLASS1   ||
index 7013da5e9eda8e9df0b8511568b4b2dd18ea177b..7140199f562ead43fb9062d0c89a1faa2568dc04 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
index 568b4f11380ae545d264a48e6fae51784ddf5533..c438e4691b3cde3ec4c3874a41c07f73ec4c59b9 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
index 425065b36b8c4b68c160c3c7e5bcf1a6c6127081..a4972abedef1e967acafc123cfe3fe14bbbabecb 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -233,6 +233,7 @@ static int send_mpa_reject(struct nes_cm_node *cm_node)
        u8 *start_ptr = &start_addr;
        u8 **start_buff = &start_ptr;
        u16 buff_len = 0;
+       struct ietf_mpa_v1 *mpa_frame;
 
        skb = dev_alloc_skb(MAX_CM_BUFFER);
        if (!skb) {
@@ -242,6 +243,8 @@ static int send_mpa_reject(struct nes_cm_node *cm_node)
 
        /* send an MPA reject frame */
        cm_build_mpa_frame(cm_node, start_buff, &buff_len, NULL, MPA_KEY_REPLY);
+       mpa_frame = (struct ietf_mpa_v1 *)*start_buff;
+       mpa_frame->flags |= IETF_MPA_FLAGS_REJECT;
        form_cm_frame(skb, cm_node, NULL, 0, *start_buff, buff_len, SET_ACK | SET_FIN);
 
        cm_node->state = NES_CM_STATE_FIN_WAIT1;
@@ -1360,8 +1363,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
                                if (!memcmp(nesadapter->arp_table[arpindex].mac_addr,
                                            neigh->ha, ETH_ALEN)) {
                                        /* Mac address same as in nes_arp_table */
-                                       ip_rt_put(rt);
-                                       return rc;
+                                       goto out;
                                }
 
                                nes_manage_arp_cache(nesvnic->netdev,
@@ -1377,6 +1379,8 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
                        neigh_event_send(neigh, NULL);
                }
        }
+
+out:
        rcu_read_unlock();
        ip_rt_put(rt);
        return rc;
index bdfa1fbb35fcea66d1190cc94b237554c029006b..4646e66660874c4a6b2a5b9a4290c0132096e9f7 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
index b4393a16099dc69df36fa5f9f2f19d42e2b33d4f..a69eef16d72d035023813c3b5af0c1174266c986 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
index 055f4b545df00a73069da6978a0164895e17754c..d42c9f435b1b7a62ad55a331c1f6bc76c84fdbab 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
index 0b590e152c6abeeb84e78130a68d62ab742eca5f..d748e4b31b8ddf2de875fbd57e7e3277ed0171f8 100644 (file)
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+* Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
index b3b2a240c6e9471410ea3b4a6286849186744c92..3ba7be36945207bce1448d2edb24cab2783bfa88 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel-NE, Inc.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel-NE, Inc.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
index 8c8af254555a2282642a6cc3bacf3597d5628044..4f7f701c4a817c6829646338edbeaedcd5e68410 100644 (file)
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2010 Intel-NE, Inc.  All rights reserved.
+* Copyright (c) 2006 - 2011 Intel-NE, Inc.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
index 4b3fa711a2470edc4485f286a3ae4ced7adec74b..f3a3ecf8d09ebfbff9bcc37b1a4beac97d60ebeb 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
index 71e133ab209b3c30522681eb10ba163d112f0190..4926de744488e71b4ec6e618825ed43218b2f519 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
  * Copyright (c) 2005 Cisco Systems.  All rights reserved.
  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
index 8b4c2ff548887e967c567a600e50c828aa7946d8..e98f4fc0b7683230136490c5fdf0f3567c01901d 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
index 5095bc41c6ccdd9203f6259a3a1be294aca9b563..0927b5cc65d33ac36850a1396c23e1b046b54f6b 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
@@ -3427,6 +3427,8 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
                        set_wqe_32bit_value(wqe->wqe_words,
                                            NES_IWARP_SQ_FMR_WQE_LENGTH_LOW_IDX,
                                            ib_wr->wr.fast_reg.length);
+                       set_wqe_32bit_value(wqe->wqe_words,
+                                           NES_IWARP_SQ_FMR_WQE_LENGTH_HIGH_IDX, 0);
                        set_wqe_32bit_value(wqe->wqe_words,
                                            NES_IWARP_SQ_FMR_WQE_MR_STAG_IDX,
                                            ib_wr->wr.fast_reg.rkey);
@@ -3724,7 +3726,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
                                                entry->opcode = IB_WC_SEND;
                                                break;
                                        case NES_IWARP_SQ_OP_LOCINV:
-                                               entry->opcode = IB_WR_LOCAL_INV;
+                                               entry->opcode = IB_WC_LOCAL_INV;
                                                break;
                                        case NES_IWARP_SQ_OP_FAST_REG:
                                                entry->opcode = IB_WC_FAST_REG_MR;
index fe6b6e92fa901de9d4354de95783610cc271d571..0eff7c44d76b00bbcb1bbe06602dd54606d390ee 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 - 2009 Intel Corporation.  All rights reserved.
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
index 4f18e2d332dfd79ba8dcfc66a6c9251347a562c1..d0c64d514813909c7a863a0f29939e64123b7cba 100644 (file)
@@ -2105,7 +2105,7 @@ static void alloc_dummy_hdrq(struct qib_devdata *dd)
        dd->cspec->dummy_hdrq = dma_alloc_coherent(&dd->pcidev->dev,
                                        dd->rcd[0]->rcvhdrq_size,
                                        &dd->cspec->dummy_hdrq_phys,
-                                       GFP_KERNEL | __GFP_COMP);
+                                       GFP_ATOMIC | __GFP_COMP);
        if (!dd->cspec->dummy_hdrq) {
                qib_devinfo(dd->pcidev, "Couldn't allocate dummy hdrq\n");
                /* fallback to just 0'ing */
index f695061d688e06ce026c312c79415f04a51aac70..0fde788e110087fefa825d6f7b9353fbbb572bd2 100644 (file)
@@ -560,7 +560,7 @@ static int qib_tune_pcie_coalesce(struct qib_devdata *dd)
  * BIOS may not set PCIe bus-utilization parameters for best performance.
  * Check and optionally adjust them to maximize our throughput.
  */
-static int qib_pcie_caps = 0x51;
+static int qib_pcie_caps;
 module_param_named(pcie_caps, qib_pcie_caps, int, S_IRUGO);
 MODULE_PARM_DESC(pcie_caps, "Max PCIe tuning: Payload (0..3), ReadReq (4..7)");
 
index 76457d50bc3493e351c40fbe5b667d1b2e33ff6a..afc166fcc3d9c41ad6654bae17d5c893382c3705 100644 (file)
@@ -386,7 +386,7 @@ static ssize_t evdev_read(struct file *file, char __user *buffer,
        struct evdev_client *client = file->private_data;
        struct evdev *evdev = client->evdev;
        struct input_event event;
-       int retval;
+       int retval = 0;
 
        if (count < input_event_size())
                return -EINVAL;
index a588578037ebe7bb05481c221839a54287e6910b..67bec14e8b963de66d6ad7f5df966ff1343c0be9 100644 (file)
@@ -34,7 +34,6 @@
 #include <linux/i2c/twl.h>
 #include <linux/slab.h>
 
-
 /*
  * The TWL4030 family chips include a keypad controller that supports
  * up to an 8x8 switch matrix.  The controller can issue system wakeup
@@ -302,7 +301,7 @@ static int __devinit twl4030_kp_program(struct twl4030_keypad *kp)
        if (twl4030_kpwrite_u8(kp, i, KEYP_DEB) < 0)
                return -EIO;
 
-       /* Set timeout period to 100 ms */
+       /* Set timeout period to 200 ms */
        i = KEYP_PERIOD_US(200000, PTV_PRESCALER);
        if (twl4030_kpwrite_u8(kp, (i & 0xFF), KEYP_TIMEOUT_L) < 0)
                return -EIO;
@@ -466,4 +465,3 @@ MODULE_AUTHOR("Texas Instruments");
 MODULE_DESCRIPTION("TWL4030 Keypad Driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:twl4030_keypad");
-
index b4cfc6c8be89db327134dd7dd722dfa2623d472a..5ec774d6c82b4be13f06c97efffe7cc42860ebab 100644 (file)
@@ -512,6 +512,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
                },
        },
+       {
+               /* Lenovo Ideapad U455 */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
+               },
+       },
        { }
 };
 
index 8250299fd64ff37d78d97910a702f00710157532..4494233d331ac4689eef8ca58366c7138904627d 100644 (file)
@@ -164,7 +164,8 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer,
        struct serio_raw_client *client = file->private_data;
        struct serio_raw *serio_raw = client->serio_raw;
        char uninitialized_var(c);
-       ssize_t retval = 0;
+       ssize_t read = 0;
+       int retval;
 
        if (serio_raw->dead)
                return -ENODEV;
@@ -180,13 +181,15 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer,
        if (serio_raw->dead)
                return -ENODEV;
 
-       while (retval < count && serio_raw_fetch_byte(serio_raw, &c)) {
-               if (put_user(c, buffer++))
-                       return -EFAULT;
-               retval++;
+       while (read < count && serio_raw_fetch_byte(serio_raw, &c)) {
+               if (put_user(c, buffer++)) {
+                       retval = -EFAULT;
+                       break;
+               }
+               read++;
        }
 
-       return retval;
+       return read ?: retval;
 }
 
 static ssize_t serio_raw_write(struct file *file, const char __user *buffer,
index 150cd7061b808019d4a775ab29fc287558d7508e..28adefe70f96274c93198ee50acc9ee65adec1ae 100644 (file)
@@ -354,6 +354,7 @@ static void lkdtm_do_action(enum ctype which)
 static void lkdtm_handler(void)
 {
        unsigned long flags;
+       bool do_it = false;
 
        spin_lock_irqsave(&count_lock, flags);
        count--;
@@ -361,10 +362,13 @@ static void lkdtm_handler(void)
                        cp_name_to_str(cpoint), cp_type_to_str(cptype), count);
 
        if (count == 0) {
-               lkdtm_do_action(cptype);
+               do_it = true;
                count = cpoint_count;
        }
        spin_unlock_irqrestore(&count_lock, flags);
+
+       if (do_it)
+               lkdtm_do_action(cptype);
 }
 
 static int lkdtm_register_cpoint(enum cname which)
index 6ae9ca01388b76b06798749aba0a35cae34f8b9c..9a9ce71a71fcbb2e004c0c0eb2f9a680202ee30d 100644 (file)
@@ -119,7 +119,7 @@ static int mtd_cls_suspend(struct device *dev, pm_message_t state)
 {
        struct mtd_info *mtd = dev_get_drvdata(dev);
 
-       return mtd_suspend(mtd);
+       return mtd ? mtd_suspend(mtd) : 0;
 }
 
 static int mtd_cls_resume(struct device *dev)
index 4dd056e2e16ac3e6798300e4b1cb13dde0948fb1..35b4fb55dbd6569dad6d4c927c9807698804b882 100644 (file)
@@ -161,6 +161,37 @@ static int atmel_nand_device_ready(struct mtd_info *mtd)
                 !!host->board->rdy_pin_active_low;
 }
 
+/*
+ * Minimal-overhead PIO for data access.
+ */
+static void atmel_read_buf8(struct mtd_info *mtd, u8 *buf, int len)
+{
+       struct nand_chip        *nand_chip = mtd->priv;
+
+       __raw_readsb(nand_chip->IO_ADDR_R, buf, len);
+}
+
+static void atmel_read_buf16(struct mtd_info *mtd, u8 *buf, int len)
+{
+       struct nand_chip        *nand_chip = mtd->priv;
+
+       __raw_readsw(nand_chip->IO_ADDR_R, buf, len / 2);
+}
+
+static void atmel_write_buf8(struct mtd_info *mtd, const u8 *buf, int len)
+{
+       struct nand_chip        *nand_chip = mtd->priv;
+
+       __raw_writesb(nand_chip->IO_ADDR_W, buf, len);
+}
+
+static void atmel_write_buf16(struct mtd_info *mtd, const u8 *buf, int len)
+{
+       struct nand_chip        *nand_chip = mtd->priv;
+
+       __raw_writesw(nand_chip->IO_ADDR_W, buf, len / 2);
+}
+
 static void dma_complete_func(void *completion)
 {
        complete(completion);
@@ -235,27 +266,33 @@ err_buf:
 static void atmel_read_buf(struct mtd_info *mtd, u8 *buf, int len)
 {
        struct nand_chip *chip = mtd->priv;
+       struct atmel_nand_host *host = chip->priv;
 
        if (use_dma && len > mtd->oobsize)
                /* only use DMA for bigger than oob size: better performances */
                if (atmel_nand_dma_op(mtd, buf, len, 1) == 0)
                        return;
 
-       /* if no DMA operation possible, use PIO */
-       memcpy_fromio(buf, chip->IO_ADDR_R, len);
+       if (host->board->bus_width_16)
+               atmel_read_buf16(mtd, buf, len);
+       else
+               atmel_read_buf8(mtd, buf, len);
 }
 
 static void atmel_write_buf(struct mtd_info *mtd, const u8 *buf, int len)
 {
        struct nand_chip *chip = mtd->priv;
+       struct atmel_nand_host *host = chip->priv;
 
        if (use_dma && len > mtd->oobsize)
                /* only use DMA for bigger than oob size: better performances */
                if (atmel_nand_dma_op(mtd, (void *)buf, len, 0) == 0)
                        return;
 
-       /* if no DMA operation possible, use PIO */
-       memcpy_toio(chip->IO_ADDR_W, buf, len);
+       if (host->board->bus_width_16)
+               atmel_write_buf16(mtd, buf, len);
+       else
+               atmel_write_buf8(mtd, buf, len);
 }
 
 /*
index 7f680420bfab609f7490c7fa4237271f567cdf56..7db6555ed3ba630f2935ce65b25200295b1754db 100644 (file)
@@ -69,17 +69,19 @@ static int clear_poll_bit(void __iomem *addr, u32 mask)
  *  [1] enable the module.
  *  [2] reset the module.
  *
- * In most of the cases, it's ok. But there is a hardware bug in the BCH block.
+ * In most of the cases, it's ok.
+ * But in MX23, there is a hardware bug in the BCH block (see erratum #2847).
  * If you try to soft reset the BCH block, it becomes unusable until
  * the next hard reset. This case occurs in the NAND boot mode. When the board
  * boots by NAND, the ROM of the chip will initialize the BCH blocks itself.
  * So If the driver tries to reset the BCH again, the BCH will not work anymore.
- * You will see a DMA timeout in this case.
+ * You will see a DMA timeout in this case. The bug has been fixed
+ * in the following chips, such as MX28.
  *
  * To avoid this bug, just add a new parameter `just_enable` for
  * the mxs_reset_block(), and rewrite it here.
  */
-int gpmi_reset_block(void __iomem *reset_addr, bool just_enable)
+static int gpmi_reset_block(void __iomem *reset_addr, bool just_enable)
 {
        int ret;
        int timeout = 0x400;
@@ -206,7 +208,15 @@ int bch_set_geometry(struct gpmi_nand_data *this)
        if (ret)
                goto err_out;
 
-       ret = gpmi_reset_block(r->bch_regs, true);
+       /*
+       * Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this
+       * chip, otherwise it will lock up. So we skip resetting BCH on the MX23.
+       * On the other hand, the MX28 needs the reset, because one case has been
+       * seen where the BCH produced ECC errors constantly after 10000
+       * consecutive reboots. The latter case has not been seen on the MX23 yet,
+       * still we don't know if it could happen there as well.
+       */
+       ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this));
        if (ret)
                goto err_out;
 
index 35b4565050f1430d425ed3615d3c4a806cda4b7a..8a393f9e6027d1be3dcf3d149dfc277e8941fca2 100644 (file)
@@ -2588,7 +2588,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
        instr->state = MTD_ERASING;
 
        while (len) {
-               /* Heck if we have a bad block, we do not erase bad blocks! */
+               /* Check if we have a bad block, we do not erase bad blocks! */
                if (nand_block_checkbad(mtd, ((loff_t) page) <<
                                        chip->page_shift, 0, allowbbt)) {
                        pr_warn("%s: attempt to erase a bad block at page 0x%08x\n",
index 70e006b50f292259025b50a5b03a2aa26a9c2b5f..5443e25086e9f33b00980d314a874863653c82f8 100644 (file)
@@ -1279,3 +1279,4 @@ static struct usb_driver go7007_usb_driver = {
 };
 
 module_usb_driver(go7007_usb_driver);
+MODULE_LICENSE("GPL v2");
index 5e096f43bceaceb056098d69227d937501ef27bf..65447c5f91d7e0c1108d5f4db5d6eaf69af53234 100644 (file)
@@ -1463,7 +1463,6 @@ compat_kdfontop_ioctl(struct compat_console_font_op __user *fontop,
        if (!perm && op->op != KD_FONT_OP_GET)
                return -EPERM;
        op->data = compat_ptr(((struct compat_console_font_op *)op)->data);
-       op->flags |= KD_FONT_FLAG_OLD;
        i = con_font_op(vc, op);
        if (i)
                return i;
index b60fc8bfb3e9fdb71ffd1e7ded00ea2154958900..620daad201dbc8905f09359b8237a542be1f311e 100644 (file)
@@ -641,10 +641,10 @@ static int __cap_is_valid(struct ceph_cap *cap)
        unsigned long ttl;
        u32 gen;
 
-       spin_lock(&cap->session->s_cap_lock);
+       spin_lock(&cap->session->s_gen_ttl_lock);
        gen = cap->session->s_cap_gen;
        ttl = cap->session->s_cap_ttl;
-       spin_unlock(&cap->session->s_cap_lock);
+       spin_unlock(&cap->session->s_gen_ttl_lock);
 
        if (cap->cap_gen < gen || time_after_eq(jiffies, ttl)) {
                dout("__cap_is_valid %p cap %p issued %s "
index 618246bc2196eee020f6c53ccf789d784603e090..3e8094be4604a481999e2921fb0942441c9086a7 100644 (file)
@@ -975,10 +975,10 @@ static int dentry_lease_is_valid(struct dentry *dentry)
        di = ceph_dentry(dentry);
        if (di->lease_session) {
                s = di->lease_session;
-               spin_lock(&s->s_cap_lock);
+               spin_lock(&s->s_gen_ttl_lock);
                gen = s->s_cap_gen;
                ttl = s->s_cap_ttl;
-               spin_unlock(&s->s_cap_lock);
+               spin_unlock(&s->s_gen_ttl_lock);
 
                if (di->lease_gen == gen &&
                    time_before(jiffies, dentry->d_time) &&
index 23ab6a3f1825e85cb839f508535a56cdc0cc55fe..866e8d7ca37d7343fe7c30cc5e036cb5d6b9494e 100644 (file)
@@ -262,6 +262,7 @@ static int parse_reply_info(struct ceph_msg *msg,
        /* trace */
        ceph_decode_32_safe(&p, end, len, bad);
        if (len > 0) {
+               ceph_decode_need(&p, end, len, bad);
                err = parse_reply_info_trace(&p, p+len, info, features);
                if (err < 0)
                        goto out_bad;
@@ -270,6 +271,7 @@ static int parse_reply_info(struct ceph_msg *msg,
        /* extra */
        ceph_decode_32_safe(&p, end, len, bad);
        if (len > 0) {
+               ceph_decode_need(&p, end, len, bad);
                err = parse_reply_info_extra(&p, p+len, info, features);
                if (err < 0)
                        goto out_bad;
@@ -398,9 +400,11 @@ static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc,
        s->s_con.peer_name.type = CEPH_ENTITY_TYPE_MDS;
        s->s_con.peer_name.num = cpu_to_le64(mds);
 
-       spin_lock_init(&s->s_cap_lock);
+       spin_lock_init(&s->s_gen_ttl_lock);
        s->s_cap_gen = 0;
        s->s_cap_ttl = 0;
+
+       spin_lock_init(&s->s_cap_lock);
        s->s_renew_requested = 0;
        s->s_renew_seq = 0;
        INIT_LIST_HEAD(&s->s_caps);
@@ -2326,10 +2330,10 @@ static void handle_session(struct ceph_mds_session *session,
        case CEPH_SESSION_STALE:
                pr_info("mds%d caps went stale, renewing\n",
                        session->s_mds);
-               spin_lock(&session->s_cap_lock);
+               spin_lock(&session->s_gen_ttl_lock);
                session->s_cap_gen++;
                session->s_cap_ttl = 0;
-               spin_unlock(&session->s_cap_lock);
+               spin_unlock(&session->s_gen_ttl_lock);
                send_renew_caps(mdsc, session);
                break;
 
index a50ca0e39475794018c2350570547bff4f6a7df8..8c7c04ebb595a1a8bd2e9c1b177890f8ba234b9a 100644 (file)
@@ -117,10 +117,13 @@ struct ceph_mds_session {
        void             *s_authorizer_buf, *s_authorizer_reply_buf;
        size_t            s_authorizer_buf_len, s_authorizer_reply_buf_len;
 
-       /* protected by s_cap_lock */
-       spinlock_t        s_cap_lock;
+       /* protected by s_gen_ttl_lock */
+       spinlock_t        s_gen_ttl_lock;
        u32               s_cap_gen;  /* inc each time we get mds stale msg */
        unsigned long     s_cap_ttl;  /* when session caps expire */
+
+       /* protected by s_cap_lock */
+       spinlock_t        s_cap_lock;
        struct list_head  s_caps;     /* all caps issued by this session */
        int               s_nr_caps, s_trim_caps;
        int               s_num_cap_releases;
index 857214ae8c0893181c85c6fb081ef13ae171f0e7..a76f697303d9e5db700598fc817008494908bb99 100644 (file)
@@ -111,8 +111,10 @@ static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
 }
 
 static struct ceph_vxattr_cb ceph_file_vxattrs[] = {
+       { true, "ceph.file.layout", ceph_vxattrcb_layout},
+       /* The following extended attribute name is deprecated */
        { true, "ceph.layout", ceph_vxattrcb_layout},
-       { NULL, NULL }
+       { true, NULL, NULL }
 };
 
 static struct ceph_vxattr_cb *ceph_inode_vxattrs(struct inode *inode)
index a01cdad6aad1810f0323d6494865f7540d50421c..eafb8d37a6fb89173d26ecf527a3f69433a2565f 100644 (file)
@@ -335,7 +335,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
        void *ebuf;
        uint32_t ofs;
        size_t retlen;
-       int ret = -EIO;
+       int ret;
        unsigned long *wordebuf;
 
        ret = mtd_point(c->mtd, jeb->offset, c->sector_size, &retlen,
index e97404d611e0abf4f627d6c080aea0c0739422f0..9c501449450dc9be6891e5d9c1a035ca31b5687b 100644 (file)
@@ -152,9 +152,6 @@ static struct page *logfs_mtd_find_first_sb(struct super_block *sb, u64 *ofs)
        filler_t *filler = logfs_mtd_readpage;
        struct mtd_info *mtd = super->s_mtd;
 
-       if (!mtd_can_have_bb(mtd))
-               return NULL;
-
        *ofs = 0;
        while (mtd_block_isbad(mtd, *ofs)) {
                *ofs += mtd->erasesize;
@@ -172,9 +169,6 @@ static struct page *logfs_mtd_find_last_sb(struct super_block *sb, u64 *ofs)
        filler_t *filler = logfs_mtd_readpage;
        struct mtd_info *mtd = super->s_mtd;
 
-       if (!mtd_can_have_bb(mtd))
-               return NULL;
-
        *ofs = mtd->size - mtd->erasesize;
        while (mtd_block_isbad(mtd, *ofs)) {
                *ofs -= mtd->erasesize;
index 9cde9edf9c4d40a4a3c20e3fb1c3758518092f98..d4548dd49b028fbdc180ef679f20f0952319c4c3 100644 (file)
@@ -198,26 +198,6 @@ static int proc_root_link(struct dentry *dentry, struct path *path)
        return result;
 }
 
-static struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
-{
-       struct mm_struct *mm;
-       int err;
-
-       err =  mutex_lock_killable(&task->signal->cred_guard_mutex);
-       if (err)
-               return ERR_PTR(err);
-
-       mm = get_task_mm(task);
-       if (mm && mm != current->mm &&
-                       !ptrace_may_access(task, mode)) {
-               mmput(mm);
-               mm = ERR_PTR(-EACCES);
-       }
-       mutex_unlock(&task->signal->cred_guard_mutex);
-
-       return mm;
-}
-
 struct mm_struct *mm_for_maps(struct task_struct *task)
 {
        return mm_access(task, PTRACE_MODE_READ);
@@ -711,6 +691,13 @@ static int mem_open(struct inode* inode, struct file* file)
        if (IS_ERR(mm))
                return PTR_ERR(mm);
 
+       if (mm) {
+               /* ensure this mm_struct can't be freed */
+               atomic_inc(&mm->mm_count);
+               /* but do not pin its memory */
+               mmput(mm);
+       }
+
        /* OK to pass negative loff_t, we can catch out-of-range */
        file->f_mode |= FMODE_UNSIGNED_OFFSET;
        file->private_data = mm;
@@ -718,57 +705,13 @@ static int mem_open(struct inode* inode, struct file* file)
        return 0;
 }
 
-static ssize_t mem_read(struct file * file, char __user * buf,
-                       size_t count, loff_t *ppos)
+static ssize_t mem_rw(struct file *file, char __user *buf,
+                       size_t count, loff_t *ppos, int write)
 {
-       int ret;
-       char *page;
-       unsigned long src = *ppos;
        struct mm_struct *mm = file->private_data;
-
-       if (!mm)
-               return 0;
-
-       page = (char *)__get_free_page(GFP_TEMPORARY);
-       if (!page)
-               return -ENOMEM;
-
-       ret = 0;
-       while (count > 0) {
-               int this_len, retval;
-
-               this_len = (count > PAGE_SIZE) ? PAGE_SIZE : count;
-               retval = access_remote_vm(mm, src, page, this_len, 0);
-               if (!retval) {
-                       if (!ret)
-                               ret = -EIO;
-                       break;
-               }
-
-               if (copy_to_user(buf, page, retval)) {
-                       ret = -EFAULT;
-                       break;
-               }
-               ret += retval;
-               src += retval;
-               buf += retval;
-               count -= retval;
-       }
-       *ppos = src;
-
-       free_page((unsigned long) page);
-       return ret;
-}
-
-static ssize_t mem_write(struct file * file, const char __user *buf,
-                        size_t count, loff_t *ppos)
-{
-       int copied;
+       unsigned long addr = *ppos;
+       ssize_t copied;
        char *page;
-       unsigned long dst = *ppos;
-       struct mm_struct *mm = file->private_data;
 
        if (!mm)
                return 0;
@@ -778,31 +721,54 @@ static ssize_t mem_write(struct file * file, const char __user *buf,
                return -ENOMEM;
 
        copied = 0;
+       if (!atomic_inc_not_zero(&mm->mm_users))
+               goto free;
+
        while (count > 0) {
-               int this_len, retval;
+               int this_len = min_t(int, count, PAGE_SIZE);
 
-               this_len = (count > PAGE_SIZE) ? PAGE_SIZE : count;
-               if (copy_from_user(page, buf, this_len)) {
+               if (write && copy_from_user(page, buf, this_len)) {
                        copied = -EFAULT;
                        break;
                }
-               retval = access_remote_vm(mm, dst, page, this_len, 1);
-               if (!retval) {
+
+               this_len = access_remote_vm(mm, addr, page, this_len, write);
+               if (!this_len) {
                        if (!copied)
                                copied = -EIO;
                        break;
                }
-               copied += retval;
-               buf += retval;
-               dst += retval;
-               count -= retval;                        
+
+               if (!write && copy_to_user(buf, page, this_len)) {
+                       copied = -EFAULT;
+                       break;
+               }
+
+               buf += this_len;
+               addr += this_len;
+               copied += this_len;
+               count -= this_len;
        }
-       *ppos = dst;
+       *ppos = addr;
 
+       mmput(mm);
+free:
        free_page((unsigned long) page);
        return copied;
 }
 
+static ssize_t mem_read(struct file *file, char __user *buf,
+                       size_t count, loff_t *ppos)
+{
+       return mem_rw(file, buf, count, ppos, 0);
+}
+
+static ssize_t mem_write(struct file *file, const char __user *buf,
+                        size_t count, loff_t *ppos)
+{
+       return mem_rw(file, (char __user*)buf, count, ppos, 1);
+}
+
 loff_t mem_lseek(struct file *file, loff_t offset, int orig)
 {
        switch (orig) {
@@ -822,8 +788,8 @@ loff_t mem_lseek(struct file *file, loff_t offset, int orig)
 static int mem_release(struct inode *inode, struct file *file)
 {
        struct mm_struct *mm = file->private_data;
-
-       mmput(mm);
+       if (mm)
+               mmdrop(mm);
        return 0;
 }
 
index b5ca4b2c08ecad2fad00c33d48b62466737966b0..004ff33ab38e4dc3e2135f01ebe6b0d84fbb1529 100644 (file)
@@ -1,6 +1,8 @@
 #ifndef _GPIO_KEYS_H
 #define _GPIO_KEYS_H
 
+struct device;
+
 struct gpio_keys_button {
        /* Configuration parameters */
        unsigned int code;      /* input event code (KEY_*, SW_*) */
old mode 100755 (executable)
new mode 100644 (file)
index 06f88994ccaafa36f7c679b5364942a0ffba9cf8..d02cca6cc8ce0552bcf652a29b5562979f72f056 100644 (file)
@@ -57,8 +57,6 @@ struct gcry_mpi {
 
 typedef struct gcry_mpi *MPI;
 
-#define MPI_NULL NULL
-
 #define mpi_get_nlimbs(a)     ((a)->nlimbs)
 #define mpi_is_neg(a)        ((a)->sign)
 
index 221295208fd0bf18fd4302955558be0a3f4f05e9..d43dc25af82e23a8c6b18f5f3785b8ad4383c8c7 100644 (file)
@@ -427,9 +427,7 @@ static inline int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
 
 static inline int mtd_suspend(struct mtd_info *mtd)
 {
-       if (!mtd->suspend)
-               return -EOPNOTSUPP;
-       return mtd->suspend(mtd);
+       return mtd->suspend ? mtd->suspend(mtd) : 0;
 }
 
 static inline void mtd_resume(struct mtd_info *mtd)
@@ -489,7 +487,7 @@ static inline int mtd_has_oob(const struct mtd_info *mtd)
 
 static inline int mtd_can_have_bb(const struct mtd_info *mtd)
 {
-       return 0;
+       return !!mtd->block_isbad;
 }
 
        /* Kernel-side ioctl definitions */
index 08855613ceb32ed66e425eb41f69206d6feb61da..abb2776be1ba1bdce8f04788f0b66af967d08050 100644 (file)
@@ -587,6 +587,7 @@ struct hw_perf_event {
        u64                             sample_period;
        u64                             last_period;
        local64_t                       period_left;
+       u64                             interrupts_seq;
        u64                             interrupts;
 
        u64                             freq_time_stamp;
index 2234985a5e6546a7476cfb7801032d14dd524c0c..7d379a6bfd886679fcfefee2ed90fb636d6cd028 100644 (file)
@@ -2259,6 +2259,12 @@ static inline void mmdrop(struct mm_struct * mm)
 extern void mmput(struct mm_struct *);
 /* Grab a reference to a task's mm, if it is not already going away */
 extern struct mm_struct *get_task_mm(struct task_struct *task);
+/*
+ * Grab a reference to a task's mm, if it is not already going away
+ * and ptrace_may_access with the mode parameter passed to it
+ * succeeds.
+ */
+extern struct mm_struct *mm_access(struct task_struct *task, unsigned int mode);
 /* Remove the current tasks stale references to the old mm_struct */
 extern void mm_release(struct task_struct *, struct mm_struct *);
 /* Allocate a new mm structure and copy contents from tsk->mm */
index 8cd7fe59cf1a6f957c9376f4c5b5333fdf4f817e..425450b980b8a8e60ea532b76702d552c3da6857 100644 (file)
@@ -70,6 +70,7 @@ struct sh_dmae_pdata {
        unsigned int needs_tend_set:1;
        unsigned int no_dmars:1;
        unsigned int chclr_present:1;
+       unsigned int slave_only:1;
 };
 
 /* DMA register */
index 5ab255f196cc85c6b894adc2182f1271562a301e..cea1b5426dfa2f1c42c71f4450224722d1c2daf2 100644 (file)
@@ -417,6 +417,7 @@ static inline int __snd_bug_on(int cond)
 #define gameport_get_port_data(gp) (gp)->port_data
 #endif
 
+#ifdef CONFIG_PCI
 /* PCI quirk list helper */
 struct snd_pci_quirk {
        unsigned short subvendor;       /* PCI subvendor ID */
@@ -456,5 +457,6 @@ snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list);
 const struct snd_pci_quirk *
 snd_pci_quirk_lookup_id(u16 vendor, u16 device,
                        const struct snd_pci_quirk *list);
+#endif
 
 #endif /* __SOUND_CORE_H */
index 32b48c889711b193866f25c9180175ad6ff81761..ba36013cfb21db82a7be6587f32434c4d4e173aa 100644 (file)
@@ -2300,6 +2300,9 @@ do {                                      \
        return div64_u64(dividend, divisor);
 }
 
+static DEFINE_PER_CPU(int, perf_throttled_count);
+static DEFINE_PER_CPU(u64, perf_throttled_seq);
+
 static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count)
 {
        struct hw_perf_event *hwc = &event->hw;
@@ -2325,16 +2328,29 @@ static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count)
        }
 }
 
-static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period)
+/*
+ * combine freq adjustment with unthrottling to avoid two passes over the
+ * events. At the same time, make sure, having freq events does not change
+ * the rate of unthrottling as that would introduce bias.
+ */
+static void perf_adjust_freq_unthr_context(struct perf_event_context *ctx,
+                                          int needs_unthr)
 {
        struct perf_event *event;
        struct hw_perf_event *hwc;
-       u64 interrupts, now;
+       u64 now, period = TICK_NSEC;
        s64 delta;
 
-       if (!ctx->nr_freq)
+       /*
+        * only need to iterate over all events iff:
+        * - context have events in frequency mode (needs freq adjust)
+        * - there are events to unthrottle on this cpu
+        */
+       if (!(ctx->nr_freq || needs_unthr))
                return;
 
+       raw_spin_lock(&ctx->lock);
+
        list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {
                if (event->state != PERF_EVENT_STATE_ACTIVE)
                        continue;
@@ -2344,13 +2360,8 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period)
 
                hwc = &event->hw;
 
-               interrupts = hwc->interrupts;
-               hwc->interrupts = 0;
-
-               /*
-                * unthrottle events on the tick
-                */
-               if (interrupts == MAX_INTERRUPTS) {
+               if (needs_unthr && hwc->interrupts == MAX_INTERRUPTS) {
+                       hwc->interrupts = 0;
                        perf_log_throttle(event, 1);
                        event->pmu->start(event, 0);
                }
@@ -2358,14 +2369,26 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period)
                if (!event->attr.freq || !event->attr.sample_freq)
                        continue;
 
-               event->pmu->read(event);
+               /*
+                * stop the event and update event->count
+                */
+               event->pmu->stop(event, PERF_EF_UPDATE);
+
                now = local64_read(&event->count);
                delta = now - hwc->freq_count_stamp;
                hwc->freq_count_stamp = now;
 
+               /*
+                * restart the event
+                * reload only if value has changed
+                */
                if (delta > 0)
                        perf_adjust_period(event, period, delta);
+
+               event->pmu->start(event, delta > 0 ? PERF_EF_RELOAD : 0);
        }
+
+       raw_spin_unlock(&ctx->lock);
 }
 
 /*
@@ -2388,16 +2411,13 @@ static void rotate_ctx(struct perf_event_context *ctx)
  */
 static void perf_rotate_context(struct perf_cpu_context *cpuctx)
 {
-       u64 interval = (u64)cpuctx->jiffies_interval * TICK_NSEC;
        struct perf_event_context *ctx = NULL;
-       int rotate = 0, remove = 1, freq = 0;
+       int rotate = 0, remove = 1;
 
        if (cpuctx->ctx.nr_events) {
                remove = 0;
                if (cpuctx->ctx.nr_events != cpuctx->ctx.nr_active)
                        rotate = 1;
-               if (cpuctx->ctx.nr_freq)
-                       freq = 1;
        }
 
        ctx = cpuctx->task_ctx;
@@ -2405,37 +2425,26 @@ static void perf_rotate_context(struct perf_cpu_context *cpuctx)
                remove = 0;
                if (ctx->nr_events != ctx->nr_active)
                        rotate = 1;
-               if (ctx->nr_freq)
-                       freq = 1;
        }
 
-       if (!rotate && !freq)
+       if (!rotate)
                goto done;
 
        perf_ctx_lock(cpuctx, cpuctx->task_ctx);
        perf_pmu_disable(cpuctx->ctx.pmu);
 
-       if (freq) {
-               perf_ctx_adjust_freq(&cpuctx->ctx, interval);
-               if (ctx)
-                       perf_ctx_adjust_freq(ctx, interval);
-       }
-
-       if (rotate) {
-               cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
-               if (ctx)
-                       ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE);
+       cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
+       if (ctx)
+               ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE);
 
-               rotate_ctx(&cpuctx->ctx);
-               if (ctx)
-                       rotate_ctx(ctx);
+       rotate_ctx(&cpuctx->ctx);
+       if (ctx)
+               rotate_ctx(ctx);
 
-               perf_event_sched_in(cpuctx, ctx, current);
-       }
+       perf_event_sched_in(cpuctx, ctx, current);
 
        perf_pmu_enable(cpuctx->ctx.pmu);
        perf_ctx_unlock(cpuctx, cpuctx->task_ctx);
-
 done:
        if (remove)
                list_del_init(&cpuctx->rotation_list);
@@ -2445,10 +2454,22 @@ void perf_event_task_tick(void)
 {
        struct list_head *head = &__get_cpu_var(rotation_list);
        struct perf_cpu_context *cpuctx, *tmp;
+       struct perf_event_context *ctx;
+       int throttled;
 
        WARN_ON(!irqs_disabled());
 
+       __this_cpu_inc(perf_throttled_seq);
+       throttled = __this_cpu_xchg(perf_throttled_count, 0);
+
        list_for_each_entry_safe(cpuctx, tmp, head, rotation_list) {
+               ctx = &cpuctx->ctx;
+               perf_adjust_freq_unthr_context(ctx, throttled);
+
+               ctx = cpuctx->task_ctx;
+               if (ctx)
+                       perf_adjust_freq_unthr_context(ctx, throttled);
+
                if (cpuctx->jiffies_interval == 1 ||
                                !(jiffies % cpuctx->jiffies_interval))
                        perf_rotate_context(cpuctx);
@@ -4509,6 +4530,7 @@ static int __perf_event_overflow(struct perf_event *event,
 {
        int events = atomic_read(&event->event_limit);
        struct hw_perf_event *hwc = &event->hw;
+       u64 seq;
        int ret = 0;
 
        /*
@@ -4518,14 +4540,20 @@ static int __perf_event_overflow(struct perf_event *event,
        if (unlikely(!is_sampling_event(event)))
                return 0;
 
-       if (unlikely(hwc->interrupts >= max_samples_per_tick)) {
-               if (throttle) {
+       seq = __this_cpu_read(perf_throttled_seq);
+       if (seq != hwc->interrupts_seq) {
+               hwc->interrupts_seq = seq;
+               hwc->interrupts = 1;
+       } else {
+               hwc->interrupts++;
+               if (unlikely(throttle
+                            && hwc->interrupts >= max_samples_per_tick)) {
+                       __this_cpu_inc(perf_throttled_count);
                        hwc->interrupts = MAX_INTERRUPTS;
                        perf_log_throttle(event, 0);
                        ret = 1;
                }
-       } else
-               hwc->interrupts++;
+       }
 
        if (event->attr.freq) {
                u64 now = perf_clock();
index 294b1709170d1e890c80d064c65d38c1b12a88c1..4b4042f9bc6ade78a14199eb4ce96dc4ce6236b3 100644 (file)
@@ -1038,6 +1038,22 @@ void do_exit(long code)
        if (tsk->nr_dirtied)
                __this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied);
        exit_rcu();
+
+       /*
+        * The setting of TASK_RUNNING by try_to_wake_up() may be delayed
+        * when the following two conditions become true.
+        *   - There is race condition of mmap_sem (It is acquired by
+        *     exit_mm()), and
+        *   - SMI occurs before setting TASK_RUNINNG.
+        *     (or hypervisor of virtual machine switches to other guest)
+        *  As a result, we may become TASK_RUNNING after becoming TASK_DEAD
+        *
+        * To avoid it, we have to wait for releasing tsk->pi_lock which
+        * is held by try_to_wake_up()
+        */
+       smp_mb();
+       raw_spin_unlock_wait(&tsk->pi_lock);
+
        /* causes final put_task_struct in finish_task_switch(). */
        tsk->state = TASK_DEAD;
        tsk->flags |= PF_NOFREEZE;      /* tell freezer to ignore us */
index 051f090d40c1230462d4b4d53c05133879805f08..1b2ef3c23ae4a7999707f2f61a86f7a7080f457a 100644 (file)
@@ -647,6 +647,26 @@ struct mm_struct *get_task_mm(struct task_struct *task)
 }
 EXPORT_SYMBOL_GPL(get_task_mm);
 
+struct mm_struct *mm_access(struct task_struct *task, unsigned int mode)
+{
+       struct mm_struct *mm;
+       int err;
+
+       err =  mutex_lock_killable(&task->signal->cred_guard_mutex);
+       if (err)
+               return ERR_PTR(err);
+
+       mm = get_task_mm(task);
+       if (mm && mm != current->mm &&
+                       !ptrace_may_access(task, mode)) {
+               mmput(mm);
+               mm = ERR_PTR(-EACCES);
+       }
+       mutex_unlock(&task->signal->cred_guard_mutex);
+
+       return mm;
+}
+
 /* Please note the differences between mmput and mm_release.
  * mmput is called whenever we stop holding onto a mm_struct,
  * error success whatever.
index 29f5b65bee29321bbfef40396712e1960b9a5836..9788c0ec6f4378f19cd80e873d42a0aec7171548 100644 (file)
@@ -1673,8 +1673,12 @@ static int __kprobes pre_handler_kretprobe(struct kprobe *p,
                ri->rp = rp;
                ri->task = current;
 
-               if (rp->entry_handler && rp->entry_handler(ri, regs))
+               if (rp->entry_handler && rp->entry_handler(ri, regs)) {
+                       raw_spin_lock_irqsave(&rp->lock, flags);
+                       hlist_add_head(&ri->hlist, &rp->free_instances);
+                       raw_spin_unlock_irqrestore(&rp->lock, flags);
                        return 0;
+               }
 
                arch_prepare_kretprobe(ri, regs);
 
index df00cb09263e093b2c0a9c73a20e16b6602a70ea..5255c9d2e053225173dfea134e7e243ad0e80891 100644 (file)
@@ -74,6 +74,7 @@
 
 #include <asm/tlb.h>
 #include <asm/irq_regs.h>
+#include <asm/mutex.h>
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
 #endif
@@ -723,9 +724,6 @@ static void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
        p->sched_class->dequeue_task(rq, p, flags);
 }
 
-/*
- * activate_task - move a task to the runqueue.
- */
 void activate_task(struct rq *rq, struct task_struct *p, int flags)
 {
        if (task_contributes_to_load(p))
@@ -734,9 +732,6 @@ void activate_task(struct rq *rq, struct task_struct *p, int flags)
        enqueue_task(rq, p, flags);
 }
 
-/*
- * deactivate_task - remove a task from the runqueue.
- */
 void deactivate_task(struct rq *rq, struct task_struct *p, int flags)
 {
        if (task_contributes_to_load(p))
@@ -4134,7 +4129,7 @@ recheck:
        on_rq = p->on_rq;
        running = task_current(rq, p);
        if (on_rq)
-               deactivate_task(rq, p, 0);
+               dequeue_task(rq, p, 0);
        if (running)
                p->sched_class->put_prev_task(rq, p);
 
@@ -4147,7 +4142,7 @@ recheck:
        if (running)
                p->sched_class->set_curr_task(rq);
        if (on_rq)
-               activate_task(rq, p, 0);
+               enqueue_task(rq, p, 0);
 
        check_class_changed(rq, p, prev_class, oldprio);
        task_rq_unlock(rq, p, &flags);
@@ -4998,9 +4993,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu)
         * placed properly.
         */
        if (p->on_rq) {
-               deactivate_task(rq_src, p, 0);
+               dequeue_task(rq_src, p, 0);
                set_task_cpu(p, dest_cpu);
-               activate_task(rq_dest, p, 0);
+               enqueue_task(rq_dest, p, 0);
                check_preempt_curr(rq_dest, p, 0);
        }
 done:
@@ -7032,10 +7027,10 @@ static void normalize_task(struct rq *rq, struct task_struct *p)
 
        on_rq = p->on_rq;
        if (on_rq)
-               deactivate_task(rq, p, 0);
+               dequeue_task(rq, p, 0);
        __setscheduler(rq, p, SCHED_NORMAL, 0);
        if (on_rq) {
-               activate_task(rq, p, 0);
+               enqueue_task(rq, p, 0);
                resched_task(rq->curr);
        }
 
index 84adb2d66cbd3dc15e653532462203f8c73bba18..7c6414fc669de4f09dc03fc763aaddd8040f98bf 100644 (file)
@@ -4866,6 +4866,15 @@ static void nohz_balancer_kick(int cpu)
        return;
 }
 
+static inline void clear_nohz_tick_stopped(int cpu)
+{
+       if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) {
+               cpumask_clear_cpu(cpu, nohz.idle_cpus_mask);
+               atomic_dec(&nohz.nr_cpus);
+               clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu));
+       }
+}
+
 static inline void set_cpu_sd_state_busy(void)
 {
        struct sched_domain *sd;
@@ -4904,6 +4913,12 @@ void select_nohz_load_balancer(int stop_tick)
 {
        int cpu = smp_processor_id();
 
+       /*
+        * If this cpu is going down, then nothing needs to be done.
+        */
+       if (!cpu_active(cpu))
+               return;
+
        if (stop_tick) {
                if (test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))
                        return;
@@ -4914,6 +4929,18 @@ void select_nohz_load_balancer(int stop_tick)
        }
        return;
 }
+
+static int __cpuinit sched_ilb_notifier(struct notifier_block *nfb,
+                                       unsigned long action, void *hcpu)
+{
+       switch (action & ~CPU_TASKS_FROZEN) {
+       case CPU_DYING:
+               clear_nohz_tick_stopped(smp_processor_id());
+               return NOTIFY_OK;
+       default:
+               return NOTIFY_DONE;
+       }
+}
 #endif
 
 static DEFINE_SPINLOCK(balancing);
@@ -5070,11 +5097,7 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu)
        * busy tick after returning from idle, we will update the busy stats.
        */
        set_cpu_sd_state_busy();
-       if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) {
-               clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu));
-               cpumask_clear_cpu(cpu, nohz.idle_cpus_mask);
-               atomic_dec(&nohz.nr_cpus);
-       }
+       clear_nohz_tick_stopped(cpu);
 
        /*
         * None are in tickless mode and hence no need for NOHZ idle load
@@ -5590,6 +5613,7 @@ __init void init_sched_fair_class(void)
 
 #ifdef CONFIG_NO_HZ
        zalloc_cpumask_var(&nohz.idle_cpus_mask, GFP_NOWAIT);
+       cpu_notifier(sched_ilb_notifier, 0);
 #endif
 #endif /* SMP */
 
index 3640ebbb466b0bb82d2894ec8223c96bfe502b74..f42ae7fb5ec555a42fe0b63376891aaf8b756af5 100644 (file)
@@ -1587,6 +1587,11 @@ static int push_rt_task(struct rq *rq)
        if (!next_task)
                return 0;
 
+#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
+       if (unlikely(task_running(rq, next_task)))
+               return 0;
+#endif
+
 retry:
        if (unlikely(next_task == rq->curr)) {
                WARN_ON(1);
index 1d7bca7f4f527c2f25b741da9fc914980a0c43bb..d117262deba305400ba768b1f7cecc945f3faba8 100644 (file)
@@ -296,7 +296,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
                if (__this_cpu_read(soft_watchdog_warn) == true)
                        return HRTIMER_RESTART;
 
-               printk(KERN_ERR "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n",
+               printk(KERN_EMERG "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n",
                        smp_processor_id(), duration,
                        current->comm, task_pid_nr(current));
                print_modules();
index 169eb7c598e54d42a78018ac2b1338811674afd5..d69d321a0997d967563e2ab254b52262d2321aa5 100644 (file)
@@ -279,6 +279,9 @@ config AVERAGE
 
          If unsure, say N.
 
+config CLZ_TAB
+       bool
+
 config CORDIC
        tristate "CORDIC algorithm"
        help
@@ -287,6 +290,7 @@ config CORDIC
 
 config MPILIB
        tristate
+       select CLZ_TAB
        help
          Multiprecision maths library from GnuPG.
          It is used to implement RSA digital signature verification,
index d71aae1b01b364d7972837a562e765f6945e1955..18515f0267c41591a198a1df9b3c7950a56a16cf 100644 (file)
@@ -121,6 +121,8 @@ obj-$(CONFIG_DQL) += dynamic_queue_limits.o
 obj-$(CONFIG_MPILIB) += mpi/
 obj-$(CONFIG_SIGNATURE) += digsig.o
 
+obj-$(CONFIG_CLZ_TAB) += clz_tab.o
+
 hostprogs-y    := gen_crc32table
 clean-files    := crc32table.h
 
index 19552096d16b06bd2dac2a9b10212e482a4d0da3..a28c1415357cac9d30fc09195652fbfd099bc421 100644 (file)
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -169,7 +169,7 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
                return BUG_TRAP_TYPE_WARN;
        }
 
-       printk(KERN_EMERG "------------[ cut here ]------------\n");
+       printk(KERN_DEFAULT "------------[ cut here ]------------\n");
 
        if (file)
                printk(KERN_CRIT "kernel BUG at %s:%u!\n",
diff --git a/lib/clz_tab.c b/lib/clz_tab.c
new file mode 100644 (file)
index 0000000..7287b4a
--- /dev/null
@@ -0,0 +1,18 @@
+const unsigned char __clz_tab[] = {
+       0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5,
+           5, 5, 5, 5, 5, 5, 5, 5,
+       6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+           6, 6, 6, 6, 6, 6, 6, 6,
+       7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+           7, 7, 7, 7, 7, 7, 7, 7,
+       7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+           7, 7, 7, 7, 7, 7, 7, 7,
+       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+           8, 8, 8, 8, 8, 8, 8, 8,
+       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+           8, 8, 8, 8, 8, 8, 8, 8,
+       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+           8, 8, 8, 8, 8, 8, 8, 8,
+       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+           8, 8, 8, 8, 8, 8, 8, 8,
+};
index fd2402f67f89a0d740fc5cc1fbb4a27dbe420a39..286d558033e270524ff3fdeac9c96393b81170a6 100644 (file)
@@ -34,14 +34,9 @@ static int pkcs_1_v1_5_decode_emsa(const unsigned char *msg,
                        unsigned long  msglen,
                        unsigned long  modulus_bitlen,
                        unsigned char *out,
-                       unsigned long *outlen,
-                       int *is_valid)
+                       unsigned long *outlen)
 {
        unsigned long modulus_len, ps_len, i;
-       int result;
-
-       /* default to invalid packet */
-       *is_valid = 0;
 
        modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0);
 
@@ -50,39 +45,30 @@ static int pkcs_1_v1_5_decode_emsa(const unsigned char *msg,
                return -EINVAL;
 
        /* separate encoded message */
-       if ((msg[0] != 0x00) || (msg[1] != (unsigned char)1)) {
-               result = -EINVAL;
-               goto bail;
-       }
+       if ((msg[0] != 0x00) || (msg[1] != (unsigned char)1))
+               return -EINVAL;
 
        for (i = 2; i < modulus_len - 1; i++)
                if (msg[i] != 0xFF)
                        break;
 
        /* separator check */
-       if (msg[i] != 0) {
+       if (msg[i] != 0)
                /* There was no octet with hexadecimal value 0x00
                to separate ps from m. */
-               result = -EINVAL;
-               goto bail;
-       }
+               return -EINVAL;
 
        ps_len = i - 2;
 
        if (*outlen < (msglen - (2 + ps_len + 1))) {
                *outlen = msglen - (2 + ps_len + 1);
-               result = -EOVERFLOW;
-               goto bail;
+               return -EOVERFLOW;
        }
 
        *outlen = (msglen - (2 + ps_len + 1));
        memcpy(out, &msg[2 + ps_len + 1], *outlen);
 
-       /* valid packet */
-       *is_valid = 1;
-       result    = 0;
-bail:
-       return result;
+       return 0;
 }
 
 /*
@@ -96,7 +82,7 @@ static int digsig_verify_rsa(struct key *key,
        unsigned long len;
        unsigned long mlen, mblen;
        unsigned nret, l;
-       int valid, head, i;
+       int head, i;
        unsigned char *out1 = NULL, *out2 = NULL;
        MPI in = NULL, res = NULL, pkey[2];
        uint8_t *p, *datap, *endp;
@@ -105,6 +91,10 @@ static int digsig_verify_rsa(struct key *key,
 
        down_read(&key->sem);
        ukp = key->payload.data;
+
+       if (ukp->datalen < sizeof(*pkh))
+               goto err1;
+
        pkh = (struct pubkey_hdr *)ukp->data;
 
        if (pkh->version != 1)
@@ -117,18 +107,23 @@ static int digsig_verify_rsa(struct key *key,
                goto err1;
 
        datap = pkh->mpi;
-       endp = datap + ukp->datalen;
+       endp = ukp->data + ukp->datalen;
+
+       err = -ENOMEM;
 
        for (i = 0; i < pkh->nmpi; i++) {
                unsigned int remaining = endp - datap;
                pkey[i] = mpi_read_from_buffer(datap, &remaining);
+               if (!pkey[i])
+                       goto err;
                datap += remaining;
        }
 
        mblen = mpi_get_nbits(pkey[0]);
        mlen = (mblen + 7)/8;
 
-       err = -ENOMEM;
+       if (mlen == 0)
+               goto err;
 
        out1 = kzalloc(mlen, GFP_KERNEL);
        if (!out1)
@@ -167,10 +162,9 @@ static int digsig_verify_rsa(struct key *key,
        memset(out1, 0, head);
        memcpy(out1 + head, p, l);
 
-       err = -EINVAL;
-       pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len, &valid);
+       err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len);
 
-       if (valid && len == hlen)
+       if (!err && len == hlen)
                err = memcmp(out2, h, hlen);
 
 err:
@@ -178,8 +172,8 @@ err:
        mpi_free(res);
        kfree(out1);
        kfree(out2);
-       mpi_free(pkey[0]);
-       mpi_free(pkey[1]);
+       while (--i >= 0)
+               mpi_free(pkey[i]);
 err1:
        up_read(&key->sem);
 
index b87487b40a8b910d01c6c4f9395081e4d05f3d1a..29f98624ef93a706b4fa302972669c83f70bd49d 100644 (file)
@@ -1200,18 +1200,40 @@ do { \
        "r" ((USItype)(v)) \
        : "%g1", "%g2" __AND_CLOBBER_CC)
 #define UMUL_TIME 39           /* 39 instructions */
-#endif
-#ifndef udiv_qrnnd
-#ifndef LONGLONG_STANDALONE
+/* It's quite necessary to add this much assembler for the sparc.
+   The default udiv_qrnnd (in C) is more than 10 times slower!  */
 #define udiv_qrnnd(q, r, n1, n0, d) \
-do { USItype __r; \
-       (q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \
-       (r) = __r; \
-} while (0)
-       extern USItype __udiv_qrnnd();
-#define UDIV_TIME 140
-#endif /* LONGLONG_STANDALONE */
-#endif /* udiv_qrnnd */
+  __asm__ ("! Inlined udiv_qrnnd\n\t"                                  \
+          "mov 32,%%g1\n\t"                                            \
+          "subcc       %1,%2,%%g0\n\t"                                 \
+          "1:  bcs     5f\n\t"                                         \
+          "addxcc %0,%0,%0     ! shift n1n0 and a q-bit in lsb\n\t"    \
+          "sub %1,%2,%1        ! this kills msb of n\n\t"              \
+          "addx        %1,%1,%1        ! so this can't give carry\n\t" \
+          "subcc       %%g1,1,%%g1\n\t"                                \
+          "2:  bne     1b\n\t"                                         \
+          "subcc       %1,%2,%%g0\n\t"                                 \
+          "bcs 3f\n\t"                                                 \
+          "addxcc %0,%0,%0     ! shift n1n0 and a q-bit in lsb\n\t"    \
+          "b           3f\n\t"                                         \
+          "sub %1,%2,%1        ! this kills msb of n\n\t"              \
+          "4:  sub     %1,%2,%1\n\t"                                   \
+          "5:  addxcc  %1,%1,%1\n\t"                                   \
+          "bcc 2b\n\t"                                                 \
+          "subcc       %%g1,1,%%g1\n\t"                                \
+          "! Got carry from n.  Subtract next step to cancel this carry.\n\t" \
+          "bne 4b\n\t"                                                 \
+          "addcc       %0,%0,%0        ! shift n1n0 and a 0-bit in lsb\n\t" \
+          "sub %1,%2,%1\n\t"                                           \
+          "3:  xnor    %0,0,%0\n\t"                                    \
+          "! End of inline udiv_qrnnd\n"                               \
+          : "=&r" ((USItype)(q)),                                      \
+            "=&r" ((USItype)(r))                                       \
+          : "r" ((USItype)(d)),                                        \
+            "1" ((USItype)(n1)),                                       \
+            "0" ((USItype)(n0)) : "%g1", "cc")
+#define UDIV_TIME (3+7*32)      /* 7 instructions/iteration. 32 iterations.  */
+#endif
 #endif /* __sparc__ */
 
 /***************************************
index 854c9c6da025ef905178cd1b568ff0cbeb1609f2..2f526627e4f575c50468b51015270c35d2179721 100644 (file)
 #include "mpi-internal.h"
 #include "longlong.h"
 
-const unsigned char __clz_tab[] = {
-       0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5,
-           5, 5, 5, 5, 5, 5, 5, 5,
-       6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
-           6, 6, 6, 6, 6, 6, 6, 6,
-       7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
-           7, 7, 7, 7, 7, 7, 7, 7,
-       7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
-           7, 7, 7, 7, 7, 7, 7, 7,
-       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-           8, 8, 8, 8, 8, 8, 8, 8,
-       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-           8, 8, 8, 8, 8, 8, 8, 8,
-       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-           8, 8, 8, 8, 8, 8, 8, 8,
-       8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
-           8, 8, 8, 8, 8, 8, 8, 8,
-};
-
 #define A_LIMB_1 ((mpi_limb_t) 1)
 
 /****************
index c3087d1390ce5d1b669ce7f1326b4eaf079d2caa..f68cbbb4d4a4ec74246be1559e2beaa0c1ce5284 100644 (file)
@@ -149,6 +149,9 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den)
        mpi_ptr_t marker[5];
        int markidx = 0;
 
+       if (!dsize)
+               return -EINVAL;
+
        memset(marker, 0, sizeof(marker));
 
        /* Ensure space is enough for quotient and remainder.
@@ -207,6 +210,8 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den)
                 * numerator would be gradually overwritten by the quotient limbs.  */
                if (qp == np) { /* Copy NP object to temporary space.  */
                        np = marker[markidx++] = mpi_alloc_limb_space(nsize);
+                       if (!np)
+                               goto nomem;
                        MPN_COPY(np, qp, nsize);
                }
        } else                  /* Put quotient at top of remainder. */
index b04a3cf8008083d8e54f861df465b1f831b98df3..67f3e79af9140e0160a4264b506b41344304e916 100644 (file)
@@ -59,7 +59,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod)
        ep = exp->d;
 
        if (!msize)
-               msize = 1 / msize;      /* provoke a signal */
+               return -EINVAL;
 
        if (!esize) {
                /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0
index 716802b774ea9a92d58828cb1d7e99356098016b..f26b41fcb48c694c06fdcea18b55bdfd3788fb6d 100644 (file)
 
 #include "mpi-internal.h"
 
-#define DIM(v) (sizeof(v)/sizeof((v)[0]))
 #define MAX_EXTERN_MPI_BITS 16384
 
-static uint8_t asn[15] =       /* Object ID is 1.3.14.3.2.26 */
-{ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03,
-       0x02, 0x1a, 0x05, 0x00, 0x04, 0x14
-};
-
-MPI do_encode_md(const void *sha_buffer, unsigned nbits)
-{
-       int nframe = (nbits + 7) / 8;
-       uint8_t *frame, *fr_pt;
-       int i = 0, n;
-       size_t asnlen = DIM(asn);
-       MPI a = MPI_NULL;
-
-       if (SHA1_DIGEST_LENGTH + asnlen + 4 > nframe)
-               pr_info("MPI: can't encode a %d bit MD into a %d bits frame\n",
-                      (int)(SHA1_DIGEST_LENGTH * 8), (int)nbits);
-
-       /* We encode the MD in this way:
-        *
-        *       0  A PAD(n bytes)   0  ASN(asnlen bytes)  MD(len bytes)
-        *
-        * PAD consists of FF bytes.
-        */
-       frame = kmalloc(nframe, GFP_KERNEL);
-       if (!frame)
-               return MPI_NULL;
-       n = 0;
-       frame[n++] = 0;
-       frame[n++] = 1;         /* block type */
-       i = nframe - SHA1_DIGEST_LENGTH - asnlen - 3;
-
-       if (i <= 1) {
-               pr_info("MPI: message digest encoding failed\n");
-               kfree(frame);
-               return a;
-       }
-
-       memset(frame + n, 0xff, i);
-       n += i;
-       frame[n++] = 0;
-       memcpy(frame + n, &asn, asnlen);
-       n += asnlen;
-       memcpy(frame + n, sha_buffer, SHA1_DIGEST_LENGTH);
-       n += SHA1_DIGEST_LENGTH;
-
-       i = nframe;
-       fr_pt = frame;
-
-       if (n != nframe) {
-               printk
-                   ("MPI: message digest encoding failed, frame length is wrong\n");
-               kfree(frame);
-               return a;
-       }
-
-       a = mpi_alloc((nframe + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB);
-       mpi_set_buffer(a, frame, nframe, 0);
-       kfree(frame);
-
-       return a;
-}
-
 MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread)
 {
        const uint8_t *buffer = xbuffer;
        int i, j;
        unsigned nbits, nbytes, nlimbs, nread = 0;
        mpi_limb_t a;
-       MPI val = MPI_NULL;
+       MPI val = NULL;
 
        if (*ret_nread < 2)
                goto leave;
@@ -108,7 +45,7 @@ MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread)
        nlimbs = (nbytes + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB;
        val = mpi_alloc(nlimbs);
        if (!val)
-               return MPI_NULL;
+               return NULL;
        i = BYTES_PER_MPI_LIMB - nbytes % BYTES_PER_MPI_LIMB;
        i %= BYTES_PER_MPI_LIMB;
        val->nbits = nbits;
@@ -211,30 +148,6 @@ int mpi_fromstr(MPI val, const char *str)
 }
 EXPORT_SYMBOL_GPL(mpi_fromstr);
 
-/****************
- * Special function to get the low 8 bytes from an mpi.
- * This can be used as a keyid; KEYID is an 2 element array.
- * Return the low 4 bytes.
- */
-u32 mpi_get_keyid(const MPI a, u32 *keyid)
-{
-#if BYTES_PER_MPI_LIMB == 4
-       if (keyid) {
-               keyid[0] = a->nlimbs >= 2 ? a->d[1] : 0;
-               keyid[1] = a->nlimbs >= 1 ? a->d[0] : 0;
-       }
-       return a->nlimbs >= 1 ? a->d[0] : 0;
-#elif BYTES_PER_MPI_LIMB == 8
-       if (keyid) {
-               keyid[0] = a->nlimbs ? (u32) (a->d[0] >> 32) : 0;
-               keyid[1] = a->nlimbs ? (u32) (a->d[0] & 0xffffffff) : 0;
-       }
-       return a->nlimbs ? (u32) (a->d[0] & 0xffffffff) : 0;
-#else
-#error Make this function work with other LIMB sizes
-#endif
-}
-
 /****************
  * Return an allocated buffer with the MPI (msb first).
  * NBYTES receives the length of this buffer. Caller must free the
index 87ede162dfabee78a4cad86e850fdefa06f622f8..cde1aaec18da9d179853724b3928c5be8a4508d6 100644 (file)
@@ -217,6 +217,10 @@ mpihelp_divrem(mpi_ptr_t qp, mpi_size_t qextra_limbs,
        case 0:
                /* We are asked to divide by zero, so go ahead and do it!  (To make
                   the compiler not remove this statement, return the value.)  */
+               /*
+                * existing clients of this function have been modified
+                * not to call it with dsize == 0, so this should not happen
+                */
                return 1 / dsize;
 
        case 1:
index eefc55d6b7f5b8a732992c070d5bca4bac65c374..26e4ed31e256f793d4bdc21ea81f7f6a8ca4bf71 100644 (file)
@@ -58,6 +58,9 @@ mpi_ptr_t mpi_alloc_limb_space(unsigned nlimbs)
 {
        size_t len = nlimbs * sizeof(mpi_limb_t);
 
+       if (!len)
+               return NULL;
+
        return kmalloc(len, GFP_KERNEL);
 }
 
@@ -135,7 +138,7 @@ int mpi_copy(MPI *copied, const MPI a)
        size_t i;
        MPI b;
 
-       *copied = MPI_NULL;
+       *copied = NULL;
 
        if (a) {
                b = mpi_alloc(a->nlimbs);
index 71a58f67f4817720a4eca34678b2353fa96863e6..bd939a574b841d51d704af6a70a5ba7e37dc4e71 100644 (file)
@@ -313,6 +313,19 @@ static isolate_migrate_t isolate_migratepages(struct zone *zone,
                } else if (!locked)
                        spin_lock_irq(&zone->lru_lock);
 
+               /*
+                * migrate_pfn does not necessarily start aligned to a
+                * pageblock. Ensure that pfn_valid is called when moving
+                * into a new MAX_ORDER_NR_PAGES range in case of large
+                * memory holes within the zone
+                */
+               if ((low_pfn & (MAX_ORDER_NR_PAGES - 1)) == 0) {
+                       if (!pfn_valid(low_pfn)) {
+                               low_pfn += MAX_ORDER_NR_PAGES - 1;
+                               continue;
+                       }
+               }
+
                if (!pfn_valid_within(low_pfn))
                        continue;
                nr_scanned++;
index 97f49ed35bd24fba29677857433814103949dd14..b66275757c281b39e1d7cc0fecf6465bea5b4257 100644 (file)
@@ -1400,15 +1400,12 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
        unsigned long seg = 0;
        size_t count;
        loff_t *ppos = &iocb->ki_pos;
-       struct blk_plug plug;
 
        count = 0;
        retval = generic_segment_checks(iov, &nr_segs, &count, VERIFY_WRITE);
        if (retval)
                return retval;
 
-       blk_start_plug(&plug);
-
        /* coalesce the iovecs and go direct-to-BIO for O_DIRECT */
        if (filp->f_flags & O_DIRECT) {
                loff_t size;
@@ -1424,8 +1421,12 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
                        retval = filemap_write_and_wait_range(mapping, pos,
                                        pos + iov_length(iov, nr_segs) - 1);
                        if (!retval) {
+                               struct blk_plug plug;
+
+                               blk_start_plug(&plug);
                                retval = mapping->a_ops->direct_IO(READ, iocb,
                                                        iov, pos, nr_segs);
+                               blk_finish_plug(&plug);
                        }
                        if (retval > 0) {
                                *ppos = pos + retval;
@@ -1481,7 +1482,6 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
                        break;
        }
 out:
-       blk_finish_plug(&plug);
        return retval;
 }
 EXPORT_SYMBOL(generic_file_aio_read);
index f91b2f687343315741c9519670a96435329390f1..a4eb3113222912c9aada14bd92c6b68d01577b73 100644 (file)
@@ -263,7 +263,12 @@ found:
                                                        xip_pfn);
                if (err == -ENOMEM)
                        return VM_FAULT_OOM;
-               BUG_ON(err);
+               /*
+                * err == -EBUSY is fine, we've raced against another thread
+                * that faulted-in the same page
+                */
+               if (err != -EBUSY)
+                       BUG_ON(err);
                return VM_FAULT_NOPAGE;
        } else {
                int err, ret = VM_FAULT_OOM;
index c833addd94d74703a90e9bed51d759726e77f280..45eb6217bf38e764bfb65d90f29ae2bb46f77886 100644 (file)
@@ -1036,7 +1036,7 @@ void __ref kmemleak_scan_area(const void *ptr, size_t size, gfp_t gfp)
 {
        pr_debug("%s(0x%p)\n", __func__, ptr);
 
-       if (atomic_read(&kmemleak_enabled) && ptr && !IS_ERR(ptr))
+       if (atomic_read(&kmemleak_enabled) && ptr && size && !IS_ERR(ptr))
                add_scan_area((unsigned long)ptr, size, gfp);
        else if (atomic_read(&kmemleak_early_log))
                log_early(KMEMLEAK_SCAN_AREA, ptr, size, 0);
@@ -1757,6 +1757,7 @@ void __init kmemleak_init(void)
 
 #ifdef CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF
        if (!kmemleak_skip_disable) {
+               atomic_set(&kmemleak_early_log, 0);
                kmemleak_disable();
                return;
        }
index 556859fec4ef45fe87bd4060612501354ed48c9a..6728a7ae6f2d1eb42c8ac183ec69098aa80d2d6c 100644 (file)
@@ -776,7 +776,8 @@ static void memcg_check_events(struct mem_cgroup *memcg, struct page *page)
        /* threshold event is triggered in finer grain than soft limit */
        if (unlikely(mem_cgroup_event_ratelimit(memcg,
                                                MEM_CGROUP_TARGET_THRESH))) {
-               bool do_softlimit, do_numainfo;
+               bool do_softlimit;
+               bool do_numainfo __maybe_unused;
 
                do_softlimit = mem_cgroup_event_ratelimit(memcg,
                                                MEM_CGROUP_TARGET_SOFTLIMIT);
index 9871a56d82c30b1390ea268fddd9b3bc4b83c8da..df141f60289eef61c7d278080e8290c3dfc717b9 100644 (file)
@@ -445,7 +445,6 @@ void migrate_page_copy(struct page *newpage, struct page *page)
        ClearPageSwapCache(page);
        ClearPagePrivate(page);
        set_page_private(page, 0);
-       page->mapping = NULL;
 
        /*
         * If any waiters have accumulated on the new page then
@@ -667,6 +666,7 @@ static int move_to_new_page(struct page *newpage, struct page *page,
        } else {
                if (remap_swapcache)
                        remove_migration_ptes(page, newpage);
+               page->mapping = NULL;
        }
 
        unlock_page(newpage);
index e920aa3ce104c35b902e8412864c78102fa3177e..c20ff48994c29050953c79fcdb0633e690bb653e 100644 (file)
@@ -298,23 +298,18 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec,
                goto free_proc_pages;
        }
 
-       task_lock(task);
-       if (__ptrace_may_access(task, PTRACE_MODE_ATTACH)) {
-               task_unlock(task);
-               rc = -EPERM;
-               goto put_task_struct;
-       }
-       mm = task->mm;
-
-       if (!mm || (task->flags & PF_KTHREAD)) {
-               task_unlock(task);
-               rc = -EINVAL;
+       mm = mm_access(task, PTRACE_MODE_ATTACH);
+       if (!mm || IS_ERR(mm)) {
+               rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;
+               /*
+                * Explicitly map EACCES to EPERM as EPERM is a more a
+                * appropriate error code for process_vw_readv/writev
+                */
+               if (rc == -EACCES)
+                       rc = -EPERM;
                goto put_task_struct;
        }
 
-       atomic_inc(&mm->mm_users);
-       task_unlock(task);
-
        for (i = 0; i < riovcnt && iov_l_curr_idx < liovcnt; i++) {
                rc = process_vm_rw_single_vec(
                        (unsigned long)rvec[i].iov_base, rvec[i].iov_len,
index 97f70e50ad3bb4ed806534fbc74d8a5230000acf..761ad9d6cc3b12fc4d6d8c10022e4c877559f5c8 100644 (file)
@@ -85,8 +85,6 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid)
        } else {
                pr_info("client%lld fsid %pU\n", ceph_client_id(client), fsid);
                memcpy(&client->fsid, fsid, sizeof(*fsid));
-               ceph_debugfs_client_init(client);
-               client->have_fsid = true;
        }
        return 0;
 }
index 0b62deae42bd88930f408e0473f13c11b0c252bd..1845cde2622740162fdb5e42a7663072d072ebf8 100644 (file)
@@ -8,8 +8,8 @@
 
 #include <linux/ceph/mon_client.h>
 #include <linux/ceph/libceph.h>
+#include <linux/ceph/debugfs.h>
 #include <linux/ceph/decode.h>
-
 #include <linux/ceph/auth.h>
 
 /*
@@ -340,8 +340,19 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc,
        client->monc.monmap = monmap;
        kfree(old);
 
+       if (!client->have_fsid) {
+               client->have_fsid = true;
+               mutex_unlock(&monc->mutex);
+               /*
+                * do debugfs initialization without mutex to avoid
+                * creating a locking dependency
+                */
+               ceph_debugfs_client_init(client);
+               goto out_unlocked;
+       }
 out:
        mutex_unlock(&monc->mutex);
+out_unlocked:
        wake_up_all(&client->auth_wq);
 }
 
index 4df72c0e8c37c9011cecff85cca8e834d74260de..c2c65f63bf068a0d39fbfd271be81d74c22d0459 100644 (file)
@@ -1447,7 +1447,7 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
                for (i = 0; i < c->cvt_setups.used; i++) {
                        p = snd_array_elem(&c->cvt_setups, i);
                        if (!p->active && p->stream_tag == stream_tag &&
-                           get_wcaps_type(get_wcaps(codec, p->nid)) == type)
+                           get_wcaps_type(get_wcaps(c, p->nid)) == type)
                                p->dirty = 1;
                }
        }
index d8a35da0803ff853becddd8c899e2cddba8b6293..9d819c4b4923d18c67447953b02395408e923afc 100644 (file)
@@ -282,7 +282,8 @@ int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid,
 EXPORT_SYMBOL_HDA(snd_hda_jack_add_kctl);
 
 static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
-                        const struct auto_pin_cfg *cfg)
+                        const struct auto_pin_cfg *cfg,
+                        char *lastname, int *lastidx)
 {
        unsigned int def_conf, conn;
        char name[44];
@@ -298,6 +299,10 @@ static int add_jack_kctl(struct hda_codec *codec, hda_nid_t nid,
                return 0;
 
        snd_hda_get_pin_label(codec, nid, cfg, name, sizeof(name), &idx);
+       if (!strcmp(name, lastname) && idx == *lastidx)
+               idx++;
+       strncpy(lastname, name, 44);
+       *lastidx = idx;
        err = snd_hda_jack_add_kctl(codec, nid, name, idx);
        if (err < 0)
                return err;
@@ -311,41 +316,42 @@ int snd_hda_jack_add_kctls(struct hda_codec *codec,
                           const struct auto_pin_cfg *cfg)
 {
        const hda_nid_t *p;
-       int i, err;
+       int i, err, lastidx = 0;
+       char lastname[44] = "";
 
        for (i = 0, p = cfg->line_out_pins; i < cfg->line_outs; i++, p++) {
-               err = add_jack_kctl(codec, *p, cfg);
+               err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
                if (err < 0)
                        return err;
        }
        for (i = 0, p = cfg->hp_pins; i < cfg->hp_outs; i++, p++) {
                if (*p == *cfg->line_out_pins) /* might be duplicated */
                        break;
-               err = add_jack_kctl(codec, *p, cfg);
+               err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
                if (err < 0)
                        return err;
        }
        for (i = 0, p = cfg->speaker_pins; i < cfg->speaker_outs; i++, p++) {
                if (*p == *cfg->line_out_pins) /* might be duplicated */
                        break;
-               err = add_jack_kctl(codec, *p, cfg);
+               err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
                if (err < 0)
                        return err;
        }
        for (i = 0; i < cfg->num_inputs; i++) {
-               err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg);
+               err = add_jack_kctl(codec, cfg->inputs[i].pin, cfg, lastname, &lastidx);
                if (err < 0)
                        return err;
        }
        for (i = 0, p = cfg->dig_out_pins; i < cfg->dig_outs; i++, p++) {
-               err = add_jack_kctl(codec, *p, cfg);
+               err = add_jack_kctl(codec, *p, cfg, lastname, &lastidx);
                if (err < 0)
                        return err;
        }
-       err = add_jack_kctl(codec, cfg->dig_in_pin, cfg);
+       err = add_jack_kctl(codec, cfg->dig_in_pin, cfg, lastname, &lastidx);
        if (err < 0)
                return err;
-       err = add_jack_kctl(codec, cfg->mono_out_pin, cfg);
+       err = add_jack_kctl(codec, cfg->mono_out_pin, cfg, lastname, &lastidx);
        if (err < 0)
                return err;
        return 0;
index 0e99357e822c201a03ffeadf451e9cc29e2001c0..bc5a993d11461868a2115d5b81efec25114a9996 100644 (file)
@@ -988,8 +988,10 @@ static void cs_automic(struct hda_codec *codec)
                        change_cur_input(codec, !spec->automic_idx, 0);
        } else {
                if (present) {
-                       spec->last_input = spec->cur_input;
-                       spec->cur_input = spec->automic_idx;
+                       if (spec->cur_input != spec->automic_idx) {
+                               spec->last_input = spec->cur_input;
+                               spec->cur_input = spec->automic_idx;
+                       }
                } else  {
                        spec->cur_input = spec->last_input;
                }
index 0db1dc49382b180b2e13d5426277070694abc3b4..a8e82be3d2fc4327a429ea0117ca30f66a114a55 100644 (file)
@@ -177,6 +177,7 @@ struct alc_spec {
        unsigned int detect_lo:1;       /* Line-out detection enabled */
        unsigned int automute_speaker_possible:1; /* there are speakers and either LO or HP */
        unsigned int automute_lo_possible:1;      /* there are line outs and HP */
+       unsigned int keep_vref_in_automute:1; /* Don't clear VREF in automute */
 
        /* other flags */
        unsigned int no_analog :1; /* digital I/O only */
@@ -495,13 +496,24 @@ static void do_automute(struct hda_codec *codec, int num_pins, hda_nid_t *pins,
 
        for (i = 0; i < num_pins; i++) {
                hda_nid_t nid = pins[i];
+               unsigned int val;
                if (!nid)
                        break;
                switch (spec->automute_mode) {
                case ALC_AUTOMUTE_PIN:
+                       /* don't reset VREF value in case it's controlling
+                        * the amp (see alc861_fixup_asus_amp_vref_0f())
+                        */
+                       if (spec->keep_vref_in_automute) {
+                               val = snd_hda_codec_read(codec, nid, 0,
+                                       AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+                               val &= ~PIN_HP;
+                       } else
+                               val = 0;
+                       val |= pin_bits;
                        snd_hda_codec_write(codec, nid, 0,
                                            AC_VERB_SET_PIN_WIDGET_CONTROL,
-                                           pin_bits);
+                                           val);
                        break;
                case ALC_AUTOMUTE_AMP:
                        snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0,
@@ -4735,7 +4747,6 @@ enum {
        ALC262_FIXUP_FSC_H270,
        ALC262_FIXUP_HP_Z200,
        ALC262_FIXUP_TYAN,
-       ALC262_FIXUP_TOSHIBA_RX1,
        ALC262_FIXUP_LENOVO_3000,
        ALC262_FIXUP_BENQ,
        ALC262_FIXUP_BENQ_T31,
@@ -4765,16 +4776,6 @@ static const struct alc_fixup alc262_fixups[] = {
                        { }
                }
        },
-       [ALC262_FIXUP_TOSHIBA_RX1] = {
-               .type = ALC_FIXUP_PINS,
-               .v.pins = (const struct alc_pincfg[]) {
-                       { 0x14, 0x90170110 }, /* speaker */
-                       { 0x15, 0x0421101f }, /* HP */
-                       { 0x1a, 0x40f000f0 }, /* N/A */
-                       { 0x1b, 0x40f000f0 }, /* N/A */
-                       { 0x1e, 0x40f000f0 }, /* N/A */
-               }
-       },
        [ALC262_FIXUP_LENOVO_3000] = {
                .type = ALC_FIXUP_VERBS,
                .v.verbs = (const struct hda_verb[]) {
@@ -4807,8 +4808,6 @@ static const struct snd_pci_quirk alc262_fixup_tbl[] = {
        SND_PCI_QUIRK(0x10cf, 0x1397, "Fujitsu", ALC262_FIXUP_BENQ),
        SND_PCI_QUIRK(0x10cf, 0x142d, "Fujitsu Lifebook E8410", ALC262_FIXUP_BENQ),
        SND_PCI_QUIRK(0x10f1, 0x2915, "Tyan Thunder n6650W", ALC262_FIXUP_TYAN),
-       SND_PCI_QUIRK(0x1179, 0x0001, "Toshiba dynabook SS RX1",
-                     ALC262_FIXUP_TOSHIBA_RX1),
        SND_PCI_QUIRK(0x1734, 0x1147, "FSC Celsius H270", ALC262_FIXUP_FSC_H270),
        SND_PCI_QUIRK(0x17aa, 0x384e, "Lenovo 3000", ALC262_FIXUP_LENOVO_3000),
        SND_PCI_QUIRK(0x17ff, 0x0560, "Benq ED8", ALC262_FIXUP_BENQ),
@@ -5377,7 +5376,6 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1043, 0x8330, "ASUS Eeepc P703 P900A",
                      ALC269_FIXUP_AMIC),
        SND_PCI_QUIRK(0x1043, 0x1013, "ASUS N61Da", ALC269_FIXUP_AMIC),
-       SND_PCI_QUIRK(0x1043, 0x1113, "ASUS N63Jn", ALC269_FIXUP_AMIC),
        SND_PCI_QUIRK(0x1043, 0x1143, "ASUS B53f", ALC269_FIXUP_AMIC),
        SND_PCI_QUIRK(0x1043, 0x1133, "ASUS UJ20ft", ALC269_FIXUP_AMIC),
        SND_PCI_QUIRK(0x1043, 0x1183, "ASUS K72DR", ALC269_FIXUP_AMIC),
@@ -5589,6 +5587,25 @@ enum {
        PINFIX_ASUS_A6RP,
 };
 
+/* On some laptops, VREF of pin 0x0f is abused for controlling the main amp */
+static void alc861_fixup_asus_amp_vref_0f(struct hda_codec *codec,
+                       const struct alc_fixup *fix, int action)
+{
+       struct alc_spec *spec = codec->spec;
+       unsigned int val;
+
+       if (action != ALC_FIXUP_ACT_INIT)
+               return;
+       val = snd_hda_codec_read(codec, 0x0f, 0,
+                                AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
+       if (!(val & (AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN)))
+               val |= AC_PINCTL_IN_EN;
+       val |= AC_PINCTL_VREF_50;
+       snd_hda_codec_write(codec, 0x0f, 0,
+                           AC_VERB_SET_PIN_WIDGET_CONTROL, val);
+       spec->keep_vref_in_automute = 1;
+}
+
 static const struct alc_fixup alc861_fixups[] = {
        [PINFIX_FSC_AMILO_PI1505] = {
                .type = ALC_FIXUP_PINS,
@@ -5599,17 +5616,13 @@ static const struct alc_fixup alc861_fixups[] = {
                }
        },
        [PINFIX_ASUS_A6RP] = {
-               .type = ALC_FIXUP_VERBS,
-               .v.verbs = (const struct hda_verb[]) {
-                       /* node 0x0f VREF seems controlling the master output */
-                       { 0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_VREF50 },
-                       { }
-               },
+               .type = ALC_FIXUP_FUNC,
+               .v.func = alc861_fixup_asus_amp_vref_0f,
        },
 };
 
 static const struct snd_pci_quirk alc861_fixup_tbl[] = {
-       SND_PCI_QUIRK(0x1043, 0x1393, "ASUS A6Rp", PINFIX_ASUS_A6RP),
+       SND_PCI_QUIRK_VENDOR(0x1043, "ASUS laptop", PINFIX_ASUS_A6RP),
        SND_PCI_QUIRK(0x1584, 0x2b01, "Haier W18", PINFIX_ASUS_A6RP),
        SND_PCI_QUIRK(0x1734, 0x10c7, "FSC Amilo Pi1505", PINFIX_FSC_AMILO_PI1505),
        {}
index 03e63fed9caf7d9e8342373901a5086f884122d9..284e311040fe39b58289bc61de556bc4815de76a 100644 (file)
@@ -199,6 +199,9 @@ struct via_spec {
        unsigned int no_pin_power_ctl;
        enum VIA_HDA_CODEC codec_type;
 
+       /* analog low-power control */
+       bool alc_mode;
+
        /* smart51 setup */
        unsigned int smart51_nums;
        hda_nid_t smart51_pins[2];
@@ -687,6 +690,15 @@ static void via_auto_init_analog_input(struct hda_codec *codec)
        }
 }
 
+static void update_power_state(struct hda_codec *codec, hda_nid_t nid,
+                              unsigned int parm)
+{
+       if (snd_hda_codec_read(codec, nid, 0,
+                              AC_VERB_GET_POWER_STATE, 0) == parm)
+               return;
+       snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm);
+}
+
 static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
                                unsigned int *affected_parm)
 {
@@ -709,7 +721,7 @@ static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
        } else
                parm = AC_PWRST_D3;
 
-       snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, nid, parm);
 }
 
 static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol,
@@ -749,6 +761,7 @@ static int via_pin_power_ctl_put(struct snd_kcontrol *kcontrol,
                return 0;
        spec->no_pin_power_ctl = val;
        set_widgets_power_state(codec);
+       analog_low_current_mode(codec);
        return 1;
 }
 
@@ -1036,13 +1049,19 @@ static bool is_aa_path_mute(struct hda_codec *codec)
 }
 
 /* enter/exit analog low-current mode */
-static void analog_low_current_mode(struct hda_codec *codec)
+static void __analog_low_current_mode(struct hda_codec *codec, bool force)
 {
        struct via_spec *spec = codec->spec;
        bool enable;
        unsigned int verb, parm;
 
-       enable = is_aa_path_mute(codec) && (spec->opened_streams != 0);
+       if (spec->no_pin_power_ctl)
+               enable = false;
+       else
+               enable = is_aa_path_mute(codec) && !spec->opened_streams;
+       if (enable == spec->alc_mode && !force)
+               return;
+       spec->alc_mode = enable;
 
        /* decide low current mode's verb & parameter */
        switch (spec->codec_type) {
@@ -1074,6 +1093,11 @@ static void analog_low_current_mode(struct hda_codec *codec)
        snd_hda_codec_write(codec, codec->afg, 0, verb, parm);
 }
 
+static void analog_low_current_mode(struct hda_codec *codec)
+{
+       return __analog_low_current_mode(codec, false);
+}
+
 /*
  * generic initialization of ADC, input mixers and output mixers
  */
@@ -1446,6 +1470,7 @@ static int via_build_controls(struct hda_codec *codec)
        struct snd_kcontrol *kctl;
        int err, i;
 
+       spec->no_pin_power_ctl = 1;
        if (spec->set_widgets_power_state)
                if (!via_clone_control(spec, &via_pin_power_ctl_enum))
                        return -ENOMEM;
@@ -1499,10 +1524,6 @@ static int via_build_controls(struct hda_codec *codec)
                        return err;
        }
 
-       /* init power states */
-       set_widgets_power_state(codec);
-       analog_low_current_mode(codec);
-
        via_free_kctls(codec); /* no longer needed */
 
        err = snd_hda_jack_add_kctls(codec, &spec->autocfg);
@@ -2295,10 +2316,7 @@ static int via_mux_enum_put(struct snd_kcontrol *kcontrol,
 
        if (mux) {
                /* switch to D0 beofre change index */
-               if (snd_hda_codec_read(codec, mux, 0,
-                              AC_VERB_GET_POWER_STATE, 0x00) != AC_PWRST_D0)
-                       snd_hda_codec_write(codec, mux, 0,
-                                   AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
+               update_power_state(codec, mux, AC_PWRST_D0);
                snd_hda_codec_write(codec, mux, 0,
                                    AC_VERB_SET_CONNECT_SEL,
                                    spec->inputs[cur].mux_idx);
@@ -2776,6 +2794,10 @@ static int via_init(struct hda_codec *codec)
        for (i = 0; i < spec->num_iverbs; i++)
                snd_hda_sequence_write(codec, spec->init_verbs[i]);
 
+       /* init power states */
+       set_widgets_power_state(codec);
+       __analog_low_current_mode(codec, true);
+
        via_auto_init_multi_out(codec);
        via_auto_init_hp_out(codec);
        via_auto_init_speaker_out(codec);
@@ -2922,9 +2944,9 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec)
        if (imux_is_smixer)
                parm = AC_PWRST_D0;
        /* SW0 (17h), AIW 0/1 (13h/14h) */
-       snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x17, parm);
+       update_power_state(codec, 0x13, parm);
+       update_power_state(codec, 0x14, parm);
 
        /* outputs */
        /* PW0 (19h), SW1 (18h), AOW1 (11h) */
@@ -2932,8 +2954,8 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec)
        set_pin_power_state(codec, 0x19, &parm);
        if (spec->smart51_enabled)
                set_pin_power_state(codec, 0x1b, &parm);
-       snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x18, parm);
+       update_power_state(codec, 0x11, parm);
 
        /* PW6 (22h), SW2 (26h), AOW2 (24h) */
        if (is_8ch) {
@@ -2941,20 +2963,16 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec)
                set_pin_power_state(codec, 0x22, &parm);
                if (spec->smart51_enabled)
                        set_pin_power_state(codec, 0x1a, &parm);
-               snd_hda_codec_write(codec, 0x26, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
-               snd_hda_codec_write(codec, 0x24, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
+               update_power_state(codec, 0x26, parm);
+               update_power_state(codec, 0x24, parm);
        } else if (codec->vendor_id == 0x11064397) {
                /* PW7(23h), SW2(27h), AOW2(25h) */
                parm = AC_PWRST_D3;
                set_pin_power_state(codec, 0x23, &parm);
                if (spec->smart51_enabled)
                        set_pin_power_state(codec, 0x1a, &parm);
-               snd_hda_codec_write(codec, 0x27, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
-               snd_hda_codec_write(codec, 0x25, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
+               update_power_state(codec, 0x27, parm);
+               update_power_state(codec, 0x25, parm);
        }
 
        /* PW 3/4/7 (1ch/1dh/23h) */
@@ -2966,17 +2984,13 @@ static void set_widgets_power_state_vt1708B(struct hda_codec *codec)
                set_pin_power_state(codec, 0x23, &parm);
 
        /* MW0 (16h), Sw3 (27h), AOW 0/3 (10h/25h) */
-       snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_POWER_STATE,
-                           imux_is_smixer ? AC_PWRST_D0 : parm);
-       snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x16, imux_is_smixer ? AC_PWRST_D0 : parm);
+       update_power_state(codec, 0x10, parm);
        if (is_8ch) {
-               snd_hda_codec_write(codec, 0x25, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
-               snd_hda_codec_write(codec, 0x27, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
+               update_power_state(codec, 0x25, parm);
+               update_power_state(codec, 0x27, parm);
        } else if (codec->vendor_id == 0x11064397 && spec->hp_independent_mode)
-               snd_hda_codec_write(codec, 0x25, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
+               update_power_state(codec, 0x25, parm);
 }
 
 static int patch_vt1708S(struct hda_codec *codec);
@@ -3149,10 +3163,10 @@ static void set_widgets_power_state_vt1702(struct hda_codec *codec)
        if (imux_is_smixer)
                parm = AC_PWRST_D0; /* SW0 (13h) = stereo mixer (idx 3) */
        /* SW0 (13h), AIW 0/1/2 (12h/1fh/20h) */
-       snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x12, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x13, parm);
+       update_power_state(codec, 0x12, parm);
+       update_power_state(codec, 0x1f, parm);
+       update_power_state(codec, 0x20, parm);
 
        /* outputs */
        /* PW 3/4 (16h/17h) */
@@ -3160,10 +3174,9 @@ static void set_widgets_power_state_vt1702(struct hda_codec *codec)
        set_pin_power_state(codec, 0x17, &parm);
        set_pin_power_state(codec, 0x16, &parm);
        /* MW0 (1ah), AOW 0/1 (10h/1dh) */
-       snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE,
-                           imux_is_smixer ? AC_PWRST_D0 : parm);
-       snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x1d, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x1a, imux_is_smixer ? AC_PWRST_D0 : parm);
+       update_power_state(codec, 0x10, parm);
+       update_power_state(codec, 0x1d, parm);
 }
 
 static int patch_vt1702(struct hda_codec *codec)
@@ -3228,52 +3241,48 @@ static void set_widgets_power_state_vt1718S(struct hda_codec *codec)
        if (imux_is_smixer)
                parm = AC_PWRST_D0;
        /* MUX6/7 (1eh/1fh), AIW 0/1 (10h/11h) */
-       snd_hda_codec_write(codec, 0x1e, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x1e, parm);
+       update_power_state(codec, 0x1f, parm);
+       update_power_state(codec, 0x10, parm);
+       update_power_state(codec, 0x11, parm);
 
        /* outputs */
        /* PW3 (27h), MW2 (1ah), AOW3 (bh) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x27, &parm);
-       snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0xb, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x1a, parm);
+       update_power_state(codec, 0xb, parm);
 
        /* PW2 (26h), AOW2 (ah) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x26, &parm);
        if (spec->smart51_enabled)
                set_pin_power_state(codec, 0x2b, &parm);
-       snd_hda_codec_write(codec, 0xa, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0xa, parm);
 
        /* PW0 (24h), AOW0 (8h) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x24, &parm);
        if (!spec->hp_independent_mode) /* check for redirected HP */
                set_pin_power_state(codec, 0x28, &parm);
-       snd_hda_codec_write(codec, 0x8, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x8, parm);
        /* MW9 (21h), Mw2 (1ah), AOW0 (8h) */
-       snd_hda_codec_write(codec, 0x21, 0, AC_VERB_SET_POWER_STATE,
-                           imux_is_smixer ? AC_PWRST_D0 : parm);
+       update_power_state(codec, 0x21, imux_is_smixer ? AC_PWRST_D0 : parm);
 
        /* PW1 (25h), AOW1 (9h) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x25, &parm);
        if (spec->smart51_enabled)
                set_pin_power_state(codec, 0x2a, &parm);
-       snd_hda_codec_write(codec, 0x9, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x9, parm);
 
        if (spec->hp_independent_mode) {
                /* PW4 (28h), MW3 (1bh), MUX1(34h), AOW4 (ch) */
                parm = AC_PWRST_D3;
                set_pin_power_state(codec, 0x28, &parm);
-               snd_hda_codec_write(codec, 0x1b, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
-               snd_hda_codec_write(codec, 0x34, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
-               snd_hda_codec_write(codec, 0xc, 0,
-                                   AC_VERB_SET_POWER_STATE, parm);
+               update_power_state(codec, 0x1b, parm);
+               update_power_state(codec, 0x34, parm);
+               update_power_state(codec, 0xc, parm);
        }
 }
 
@@ -3433,8 +3442,8 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec)
        if (imux_is_smixer)
                parm = AC_PWRST_D0;
        /* SW0 (17h), AIW0(13h) */
-       snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x17, parm);
+       update_power_state(codec, 0x13, parm);
 
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x1e, &parm);
@@ -3442,12 +3451,11 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec)
        if (spec->dmic_enabled)
                set_pin_power_state(codec, 0x22, &parm);
        else
-               snd_hda_codec_write(codec, 0x22, 0,
-                                   AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
+               update_power_state(codec, 0x22, AC_PWRST_D3);
 
        /* SW2(26h), AIW1(14h) */
-       snd_hda_codec_write(codec, 0x26, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x26, parm);
+       update_power_state(codec, 0x14, parm);
 
        /* outputs */
        /* PW0 (19h), SW1 (18h), AOW1 (11h) */
@@ -3456,8 +3464,8 @@ static void set_widgets_power_state_vt1716S(struct hda_codec *codec)
        /* Smart 5.1 PW2(1bh) */
        if (spec->smart51_enabled)
                set_pin_power_state(codec, 0x1b, &parm);
-       snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE, parm);
-       snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE, parm);
+       update_power_state(codec, 0x18, parm);
+       update_power_state(codec, 0x11, parm);
 
        /* PW7 (23h), SW3 (27h), AOW3 (25h) */
        parm = AC_PWRST_D3;
@@