1. 06 3月, 2012 3 次提交
  2. 05 3月, 2012 8 次提交
    • N
      HID: hid-input: allow array fields out of range · 883e0e36
      Nikolai Kondrashov 提交于
      Allow array field values out of range as per HID 1.11 specification,
      section 6.2.25:
      
      	Rather than returning a single bit for each button in the group, an
      	array returns an index in each field that corresponds to the pressed
      	button (like keyboard scan codes). An out-of range value in and array
      	field is considered no controls asserted.
      
      Apparently, "and" above is a typo and should be "an".
      
      This fixes at least Waltop tablet pen clicks - otherwise BTN_TOUCH is never
      released.
      
      The relevant part of Waltop tablet report descriptors is this:
      
      	0x09, 0x42,         /*          Usage (Tip Switch),         */
      	0x09, 0x44,         /*          Usage (Barrel Switch),      */
      	0x09, 0x46,         /*          Usage (Tablet Pick),        */
      	0x15, 0x01,         /*          Logical Minimum (1),        */
      	0x25, 0x03,         /*          Logical Maximum (3),        */
      	0x75, 0x04,         /*          Report Size (4),            */
      	0x95, 0x01,         /*          Report Count (1),           */
      	0x80,               /*          Input,                      */
      
      This is a regression fix for commit b4b583d4 ("HID: be more strict when
      ignoring out-of-range fields").
      Signed-off-by: NNikolai Kondrashov <spbnick@gmail.com>
      Signed-off-by: NJiri Kosina <jkosina@suse.cz>
      883e0e36
    • L
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 · a5939eef
      Linus Torvalds 提交于
      MFD fixes from Samuel Ortiz:
       "This is the pull request for the MFD fixes for 3.3.  We have a few
        NULL pointer dereferences fixes, an ACPI conflict check fix, and a
        couple of wm8994 fixes."
      
      * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
        mfd: Correct readability of WM8994 DC servo 4E register
        mfd: Initialize tps65912 irq platform data properly
        mfd: Fix ACPI conflict check
        mfd: Fix ab8500 error path bug
        mfd: Test for jack detection when deciding if wm8994 should suspend
        mfd: Initialize tps65910 irq platform data properly
        mfd: Fix possible s5m null pointer dereference
        mfd: wm8350 variable dereferenced before check
      a5939eef
    • L
      vfs: move dentry_cmp from <linux/dcache.h> to fs/dcache.c · 5483f18e
      Linus Torvalds 提交于
      It's only used inside fs/dcache.c, and we're going to play games with it
      for the word-at-a-time patches.  This time we really don't even want to
      export it, because it really is an internal function to fs/dcache.c, and
      has been since it was introduced.
      
      Having it in that extremely hot header file (it's included in pretty
      much everything, thanks to <linux/fs.h>) is a disaster for testing
      different versions, and is utterly pointless.
      
      We really should have some kind of header file diet thing, where we
      figure out which parts of header files are really better off private and
      only result in more expensive compiles.
      Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
      5483f18e
    • U
      mmc: core: Fixup suspend/resume issues for UHS-I cards · e7747475
      Ulf Hansson 提交于
      Even if cards supports 1.8V I/O voltage those should anyway be
      initialized at 3.3V I/O according to (e)MMC, SD and SDIO specs.
      Some eMMC and embedded SDIO devices are able to be initialized
      at 1.8V as well, but it is better to be safe.
      
      Do note that initialization in this context means that the card
      has been completely powered off, otherwise the card will remain
      at the last I/O voltage level that were negotitiated.
      
      Due to the above being taken care of the suspend/resume issues
      for UHS-I SD-cards has been fixed.
      Signed-off-by: NUlf Hansson <ulf.hansson@stericsson.com>
      Acked-by: NPhilip Rakity <prakity@marvell.com>
      Acked-by: NLinus Walleij <linus.walleij@linaro.org>
      Tested-by: NSubhash Jadavani <subhashj@codeaurora.org>
      Signed-off-by: NChris Ball <cjb@laptop.org>
      e7747475
    • W
      mmc: mmci: reduce max_blk_count to avoid overflowing max_req_size · 8f7f6b7e
      Will Deacon 提交于
      On a system with large pages (64k in my case), the following BUG is
      triggered in MMC core:
      
      [    2.338023] BUG: failure at drivers/mmc/core/core.c:221/mmc_start_request()!
      [    2.338102] Kernel panic - not syncing: BUG!
      [    2.338155] Call trace:
      [    2.338228] [<ffffffc00008635c>] dump_backtrace+0x0/0x120
      [    2.338317] [<ffffffc0003365ec>] dump_stack+0x14/0x1c
      [    2.338403] [<ffffffc000336990>] panic+0xbc/0x1f0
      [    2.338498] [<ffffffc00027a494>] mmc_start_request+0x154/0x184
      [    2.338600] [<ffffffc00027abdc>] mmc_start_req+0x110/0x140
      [    2.338701] [<ffffffc00028604c>] mmc_blk_issue_rw_rq+0x7c/0x39c
      [    2.338804] [<ffffffc00028652c>] mmc_blk_issue_rq+0x1c0/0x468
      [    2.338905] [<ffffffc000287564>] mmc_queue_thread+0x68/0x118
      [    2.338995] [<ffffffc0000bc308>] kthread+0x84/0x8c
      
      This is because of a 64k request with a max_req_size of 64k-1 bytes.
      
      The following patch fixes the problem by limiting the max_blk_count
      such that max_blk_count * max_blk_size == max_req_size. I couldn't
      pursuade the compiler to emit a shift instead of a div without encoding
      the shift explicitly.
      Signed-off-by: NWill Deacon <will.deacon@arm.com>
      Signed-off-by: NChris Ball <cjb@laptop.org>
      8f7f6b7e
    • S
      mmc: sdhci-esdhc-imx: fix for mmc cards on i.MX5 · 5b6b0ad6
      Sascha Hauer 提交于
      On i.MX53 we have to write a special SDHCI_CMD_ABORTCMD to the
      SDHCI_TRANSFER_MODE register during a MMC_STOP_TRANSMISSION
      command. This works for SD cards. However, with MMC cards
      the MMC_SET_BLOCK_COUNT command is used instead, but this
      needs the same handling. Fix MMC cards by testing for the
      MMC_SET_BLOCK_COUNT command aswell. Tested on a custom i.MX53
      board with a Transcend MMC+ card and eMMC.
      
      The kernel started used MMC_SET_BLOCK_COUNT in 3.0, so this
      is a regression for these boards introduced in 3.0; it should
      go to 3.0/3.1/3.2-stable.
      Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
      Acked-by: NShawn Guo <shawn.guo@linaro.org>
      Cc: <stable@vger.kernel.org>
      Signed-off-by: NChris Ball <cjb@laptop.org>
      5b6b0ad6
    • G
      mmc: core: fix regression: set default clock gating delay to 0 · c84f15ae
      Guennadi Liakhovetski 提交于
      A recent commit "mmc: core: Use delayed work in clock gating framework"
      (597dd9d7) introduced a default 200ms delay before clock gating
      actually takes place.  This means that every time an MMC interface
      becomes idle it first stays on for 200ms before gating its clock. This
      leads to increased power consumption and is therefore a clear regression.
      This patch restores the original behaviour by setting the default delay
      to 0. Users prioritising throughput over power efficiency can still
      modify the delay via sysfs.
      Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
      Signed-off-by: NChris Ball <cjb@laptop.org>
      c84f15ae
    • N
      MAINTAINERS: hand over atmel-mci (sd/mmc interface) · 24e1511f
      Nicolas Ferre 提交于
      Modify MAINTAINERS entry for Atmel SD/MMC drivers.
      I hand the atmel-mci and at91_mci drivers over to Ludovic.
      Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>
      Acked-by: NLudovic Desroches <ludovic.desroches@atmel.com>
      Signed-off-by: NChris Ball <cjb@laptop.org>
      24e1511f
  3. 04 3月, 2012 5 次提交
  4. 03 3月, 2012 14 次提交
  5. 02 3月, 2012 8 次提交
  6. 01 3月, 2012 2 次提交
    • T
      Merge tag 'asoc-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus · b3999970
      Takashi Iwai 提交于
      A small fix for the SSI driver and a fix for system shutdown with modern
      devices.  Most of the modern devices will never get shut down normally
      with a visible kernel log as the systems they're in tend not to shut
      down often and when they do it's usually in form factors that don't have
      a user visible console.
      b3999970
    • T
      memblock: Fix size aligning of memblock_alloc_base_nid() · 847854f5
      Tejun Heo 提交于
      memblock allocator aligns @size to @align to reduce the amount
      of fragmentation.  Commit:
      
       7bd0b0f0 ("memblock: Reimplement memblock allocation using reverse free area iterator")
      
      Broke it by incorrectly relocating @size aligning to
      memblock_find_in_range_node().  As the aligned size is not
      propagated back to memblock_alloc_base_nid(), the actually
      reserved size isn't aligned.
      
      While this increases memory use for memblock reserved array,
      this shouldn't cause any critical failure; however, it seems
      that the size aligning was hiding a use-beyond-allocation bug in
      sparc64 and losing the aligning causes boot failure.
      
      The underlying problem is currently being debugged but this is a
      proper fix in itself, it's already pretty late in -rc cycle for
      boot failures and reverting the change for debugging isn't
      difficult. Restore the size aligning moving it to
      memblock_alloc_base_nid().
      Reported-by: NMeelis Roos <mroos@linux.ee>
      Signed-off-by: NTejun Heo <tj@kernel.org>
      Cc: David S. Miller <davem@davemloft.net>
      Cc: Grant Likely <grant.likely@secretlab.ca>
      Cc: Rob Herring <rob.herring@calxeda.com>
      Cc: Linus Torvalds <torvalds@linux-foundation.org>
      Cc: Andrew Morton <akpm@linux-foundation.org>
      Link: http://lkml.kernel.org/r/20120228205621.GC3252@dhcp-172-17-108-109.mtv.corp.google.comSigned-off-by: NIngo Molnar <mingo@elte.hu>
      LKML-Reference: <alpine.SOC.1.00.1202130942030.1488@math.ut.ee>
      847854f5