Commit Graph

427291 Commits

Author SHA1 Message Date
Hans de Goede 8d4f70b2fa usb-core: Track if an endpoint has streams
This is a preparation patch for adding support for bulk streams to usbfs.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:03 -08:00
Hans de Goede 8f5d35441f usb-core: Move USB_MAXENDPOINTS definitions to usb.h
So that it can be used in other places too.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:03 -08:00
Hans de Goede 12d4bbcea7 usb-core: Fix usb_free_streams return value documentation
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:02 -08:00
Sarah Sharp d57342232d xhci: Remove segments from radix tree on failed insert.
If we're expanding a stream ring, we want to make sure we can add those
ring segments to the radix tree that maps segments to ring pointers.
Try the radix tree insert after the new ring segments have been allocated
(the last segment in the new ring chunk will point to the first newly
allocated segment), but before the new ring segments are linked into the
old ring.

If insert fails on any one segment, remove each segment from the radix
tree, deallocate the new segments, and return.  Otherwise, link the new
segments into the tree.

HdG: Add a check to only update stream mappings in xhci_ring_expansion when
the ring is a stream ring.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:02 -08:00
Hans de Goede a390153861 xhci: use usb_ss_max_streams in xhci_check_streams_endpoint
The ss_ep_comp bmAttributes filed can contain more info then just the
streams, use usb_ss_max_streams to properly get max streams.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:02 -08:00
Hans de Goede 9aad95e292 xhci: For streams the dequeue ptr must be read from the stream ctx
This fixes TR dequeue validation failing on Intel XHCI controllers with the
following warning:

Mismatch between completed Set TR Deq Ptr command & xHCI internal state.

Interestingly enough reading the deq ptr from the ep ctx after a
TR Deq Ptr command does work on a Nec XHCI controller, it seems the Nec
writes the ptr to both the ep and stream contexts when streams are used.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:02 -08:00
Hans de Goede 95241dbdf8 xhci: Set SCT field for Set TR dequeue on streams
Nec XHCI controllers don't seem to care, but without this Intel XHCI
controllers reject Set TR dequeue commands with a COMP_TRB_ERR, leading
to the following warning:

WARN Set TR Deq Ptr cmd invalid because of stream ID configuration

And very shortly after this the system completely freezes.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:01 -08:00
Hans de Goede c4bedb77ec xhci: For streams the css flag most be read from the stream-ctx on ep stop
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:01 -08:00
Hans de Goede ee4aa54bce xhci: Check size rather then number of streams when allocating stream ctxs
Before this a device needing ie 32 stream ctxs would end up with an entry from
the small_streams_pool which has 256 bytes entries, where as 32 stream ctxs
need 512 bytes. Things actually keep running for a surprisingly long time
before crashing because of this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:01 -08:00
Hans de Goede df6138347b xhci: Free streams when they are still allocated on a set_interface call
And warn about this, as that would be a driver bug.

Like wise drivers should ensure that streams are properly free-ed before a
device is reset. So lets warn about that too. This already causes warnings
in the form of:

[   96.982398] xhci_hcd 0000:01:00.0: WARN Can't disable streams for endpoint 0x81
, streams are already disabled!
[   96.982400] xhci_hcd 0000:01:00.0: WARN xhci_free_streams() called with non-streams endpoint

But it is better to also warn about the actual cause of this later warnings.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:00 -08:00
Gerd Hoffmann 153413032c xhci: fix usb3 streams
xhci maintains a radix tree for each stream endpoint because it must
be able to map a trb address to the stream ring.  Each ring segment
must be added to the ring for this to work.  Currently xhci sticks
only the first segment of each stream ring into the radix tree.

Result is that things work initially, but as soon as the first segment
is full xhci can't map the trb address from the completion event to the
stream ring any more -> BOOM.  You'll find this message in the logs:

  ERROR Transfer event for disabled endpoint or incorrect stream ring

This patch adds a helper function to update the radix tree, and a
function to remove ring segments from the tree.  Both functions loop
over the segment list and handles all segments instead of just the
first.

[Note: Sarah changed this patch to add radix_tree_maybe_preload() and
radix_tree_preload_end() calls around the radix tree insert, since we
can now insert entries in interrupt context.  There are now two helper
functions to make the code cleaner, and those functions are moved to
make them static.]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:00 -08:00
Oliver Neukum e587b8b270 xhci: make warnings greppable
This changes debug messages and warnings in xhci-ring.c
to be on a single line so grep can find them. grep must
have precedence over the 80 column limit.

[Sarah fixed two checkpatch.pl issues with split lines
introduced by this commit.]

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2014-03-04 15:38:00 -08:00
Sarah Sharp 25cd2882e2 usb/xhci: Change how we indicate a host supports Link PM.
The xHCI driver currently uses a USB core internal field,
udev->lpm_capable, to indicate the xHCI driver knows how to calculate
the LPM timeout values.  If this value is set for the host controller
udev, it means Link PM can be enabled for child devices under that host.

Change the code so the xHCI driver isn't mucking with USB core internal
fields.  Instead, indicate the xHCI driver doesn't support Link PM on
this host by clearing the U1 and U2 exit latencies in the roothub
SuperSpeed Extended Capabilities BOS descriptor.

The code to check for the roothub setting U1 and U2 exit latencies to
zero will also disable LPM for external devices that do that same.  This
was already effectively done with commit
ae8963adb4 "usb: Don't enable LPM if the
exit latency is zero."  Leave that code in place, so that if a device
sets one exit latency value to zero, but the other is set to a valid
value, LPM is only enabled for the U1 or U2 state that had the valid
value.  This is the same behavior the code had before.

Also, change messages about missing Link PM information from warning
level to info level.  Only print a warning about the first device that
doesn't support LPM, to avoid log spam.  Further, cleanup some
unnecessary line breaks to help people to grep for the error messages.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
2014-03-04 15:38:00 -08:00
Joe Perches 3c1b2c3ecd USB: sisusb: Use static const, fix typo
Convert 1 char * array to 2 char arrays to reduce size.
Use static const to avoid array reloads on function entry.
Fix asymmetric typo.

$ size drivers/usb/misc/sisusbvga/sisusb.o*
   text	   data	    bss	    dec	    hex	filename
  29971	   4841	   9180	  43992	   abd8	drivers/usb/misc/sisusbvga/sisusb.o.new
  30083	   4841	   9180	  44104	   ac48	drivers/usb/misc/sisusbvga/sisusb.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-03 08:54:30 -08:00
Thierry Reding 5d188d6df3 USB: EHCI: tegra: Drop unused defines
Since commit 2d22b42db0 "usb: phy: registering Tegra USB PHY as
platform driver" the driver no longer relies on the hard-coded physical
addresses to determine the association between PHY and EHCI port, so
these defines can be dropped.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-03 08:54:29 -08:00
Greg Kroah-Hartman 8cb38e9921 Merge 3.14-rc5 into usb-next
We want the fixes here too.
2014-03-02 21:26:30 -08:00
Linus Torvalds 0414855fdc Linux 3.14-rc5 2014-03-02 18:56:16 -08:00
Linus Torvalds c59224d132 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Not a huge amount happening, some MAINTAINERS updates, radeon, vmwgfx
  and tegra fixes"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
  drm/radeon: enable speaker allocation setup on dce3.2
  drm/radeon: change audio enable logic
  drm/radeon: fix audio disable on dce6+
  drm/radeon: free uvd ring on unload
  drm/radeon: disable pll sharing for DP on DCE4.1
  drm/radeon: fix missing bo reservation
  drm/radeon: print the supported atpx function mask
  MAINTAINERS: update drm git tree entry
  MAINTAINERS: add entry for drm radeon driver
  drm/tegra: Add guard to avoid double disable/enable of RGB outputs
  gpu: host1x: do not check previously handled gathers
  drm/tegra: fix typo 'CONFIG_TEGRA_DRM_FBDEV'
2014-03-02 15:25:45 -08:00
Linus Torvalds a53c8ceb01 USB fixes for 3.14-rc5
Here are 2 USB patches for 3.14-rc5, one a new device id, and the other
 fixes a reported problem with threaded irqs and the USB EHCI driver.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are 2 USB patches for 3.14-rc5, one a new device id, and the
  other fixes a reported problem with threaded irqs and the USB EHCI
  driver"

* tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: ehci: fix deadlock when threadirqs option is used
  USB: ftdi_sio: add Cressi Leonardo PID
2014-03-02 15:15:07 -08:00
Linus Torvalds 3751c97036 Driver core fix for 3.14-rc5
Here is a single sysfs fix for 3.14-rc5.  It fixes a reported problem
 with the namespace code in sysfs.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull sysfs fix from Greg KH:
 "Here is a single sysfs fix for 3.14-rc5.  It fixes a reported problem
  with the namespace code in sysfs"

* tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  sysfs: fix namespace refcnt leak
2014-03-02 15:13:41 -08:00
Linus Torvalds 9ff7aeb624 Staging tree fixes for 3.14-rc5
Here are a few IIO fixes, and a new device id for a staging driver for
 3.14-rc5.  All have been in linux-next for a while, I did a final merge
 to get the IIO fixes into this tree, they were incorrectly in the
 char-misc tree for a few weeks, and I forgot to tell you to pull them
 from there.  This makes it a single pull request for you.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging tree fixes from Greg KH:
 "Here are a few IIO fixes, and a new device id for a staging driver for
  3.14-rc5.  All have been in linux-next for a while, I did a final
  merge to get the IIO fixes into this tree, they were incorrectly in
  the char-misc tree for a few weeks, and I forgot to tell you to pull
  them from there.  This makes it a single pull request for you"

* tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: r8188eu: Add new device ID
  staging:iio:adc:MXS:LRADC: fix touchscreen statemachine
  iio:gyro: bug on L3GD20H gyroscope support
  iio: cm32181: Change cm32181 ambient light sensor driver
  iio: cm36651: Fix read/write integration time function.
2014-03-02 15:12:54 -08:00
Dave Airlie d668ca1cc6 Merge branch 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
more radeon fixes

* 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon: enable speaker allocation setup on dce3.2
  drm/radeon: change audio enable logic
  drm/radeon: fix audio disable on dce6+
  drm/radeon: free uvd ring on unload
  drm/radeon: disable pll sharing for DP on DCE4.1
  drm/radeon: fix missing bo reservation
  drm/radeon: print the supported atpx function mask
2014-03-03 09:04:41 +10:00
Greg Kroah-Hartman 9f4a9b83f1 Merge iio fixes into staging-linus
These I forgot about before, but need to get into 3.14-final.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-02 14:04:01 -08:00
Linus Torvalds 3154da34be Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Misc fixes, most of them on the tooling side"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf tools: Fix strict alias issue for find_first_bit
  perf tools: fix BFD detection on opensuse
  perf: Fix hotplug splat
  perf/x86: Fix event scheduling
  perf symbols: Destroy unused symsrcs
  perf annotate: Check availability of annotate when processing samples
2014-03-02 11:37:07 -06:00
Dave Airlie 49e893b597 Merge tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux into drm-fixes
A couple of minor fixes.

Pull request of 2014-03-02

* tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux:
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
2014-03-02 20:54:31 +10:00
Alexey Khoroshilov 6950e23e54 drm/vmwgfx: avoid null pointer dereference at failure paths
vmw_takedown_otable_base() and vmw_mob_unbind() check for
potential vmw_fifo_reserve() failure and print error message,
but then immediately dereference NULL pointer.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
2014-03-02 09:49:59 +01:00
Thomas Hellstrom a34417f6be drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
Backing mob contents is propagated to user-space, so make sure backing
mobs are cleared when allocated. This also accidently fix rendering errors
with celestia when emulating legacy mode.

Also update driver date.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-02 09:43:40 +01:00
Thomas Hellstrom ae2045694b drm/vmwgfx: Remove some unused surface formats
These formats are deprecated.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
2014-03-02 09:42:53 +01:00
Linus Torvalds 55de1ed2f5 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "The VMCOREINFO patch I'll pushing for this release to avoid having a
  release with kASLR and but without that information.

  I was hoping to include the FPU patches from Suresh, but ran into a
  problem (see other thread); will try to make them happen next week"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, kaslr: add missed "static" declarations
  x86, kaslr: export offset in VMCOREINFO ELF notes
2014-03-01 22:48:14 -06:00
Linus Torvalds 702256e604 Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "The bulk of the series are bugfixes for qla2xxx target NPIV support
  that went in for v3.14-rc1.  Also included are a few DIF related
  fixes, a qla2xxx fix (Cc'ed to stable) from Greg W., and vhost/scsi
  protocol version related fix from Venkatesh.

  Also just a heads up that a series to address a number of issues with
  iser-target active I/O reset/shutdown is still being tested, and will
  be included in a separate -rc6 PULL request"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  vhost/scsi: Check LUN structure byte 0 is set to 1, per spec
  qla2xxx: Fix kernel panic on selective retransmission request
  Target/sbc: Don't use sg as iterator in sbc_verify_read
  target: Add DIF sense codes in transport_generic_request_failure
  target/sbc: Fix sbc_dif_copy_prot addr offset bug
  tcm_qla2xxx: Fix NAA formatted name for NPIV WWPNs
  tcm_qla2xxx: Perform configfs depend/undepend for base_tpg
  tcm_qla2xxx: Add NPIV specific enable/disable attribute logic
  qla2xxx: Check + fail when npiv_vports_inuse exists in shutdown
  qla2xxx: Fix qlt_lport_register base_vha callback race
2014-03-01 21:33:09 -06:00
Linus Torvalds 3750c14022 Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dma fixes from Vinod Koul:
 "This request brings you two small fixes.  First one for fixing
  dereference of freed descriptor and second for fixing sdma bindings
  for it to work for imx25.

  I was planning to send this about 10days ago but then I had to proceed
  on my paternity leave and didnt get chance to send this.  Now got a
  bit of time from dady duties :)"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dma: sdma: Add imx25 compatible
  dma: ste_dma40: don't dereference free:d descriptor
2014-03-01 21:30:43 -06:00
Linus Torvalds 751a03c372 ACPI and power management fixes for 3.14-rc5
- One of the recent intel_pstate driver fixes introduced a rounding
    error that on some systems causes the frequency to be stuck at the
    lowest level forever.  Fix from Dirk Brandewie.
 
  - The firmware_class driver's PM notifier doesn't handle the
    PM_RESTORE_PREPARE event during hibernation image restore and that
    leads to a deadlock on umhelper_sem in __usermodehelper_disable().
    Fix from Sebastian Capella.
 
  - acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a
    nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up()
    among other things.  Fix from Lan Tianyu.
 
 /
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Merge tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and power management fixes from Rafael Wysocki:
 "These three commits fix a recent intel_pstate regression and two old
  bugs that should be fixed in -stable too, one in the ACPI processor
  driver and one in the firmare loader.

  Specifics:

   - One of the recent intel_pstate driver fixes introduced a rounding
     error that on some systems causes the frequency to be stuck at the
     lowest level forever.  Fix from Dirk Brandewie.

   - The firmware_class driver's PM notifier doesn't handle the
     PM_RESTORE_PREPARE event during hibernation image restore and that
     leads to a deadlock on umhelper_sem in __usermodehelper_disable().
     Fix from Sebastian Capella.

   - acpi_processor_set_throttling() abuses set_cpus_allowed_ptr() in a
     nasty way which triggers the WARN_ON_ONCE() in wq_worker_waking_up()
     among other things.  Fix from Lan Tianyu"

* tag 'pm+acpi-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / processor: Rework processor throttling with work_on_cpu()
  PM / hibernate: Fix restore hang in freeze_processes()
  intel_pstate: Change busy calculation to use fixed point math.
2014-03-01 21:28:38 -06:00
Ingo Molnar af76815a31 perf/urgent build fixes:
. Problem on recent gcc on x86-32 related to strict alias issue for
   find_first_bit (Jiri Olsa).
 
 . OpenSuSE: BFD detection problems related to not explicitely listing all
   required libraries (Andi Kleen)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent build fixes for certain distro environments, from Arnaldo Carvalho de Melo:

  * Problem on recent gcc on x86-32 related to strict alias issue for
    find_first_bit (Jiri Olsa).

  * OpenSuSE: BFD detection problems related to not explicitely listing all
    required libraries (Andi Kleen)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-03-01 10:13:25 +01:00
Thomas Pugliese 927c4dac34 usb: wusbcore: fix compile warnings
Fix "pointer targets differ in signedness" and "variable set but not
used" warnings

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 20:23:03 -08:00
Greg Kroah-Hartman d3dae4ad18 Fourth set of IIO fixes for the 3.14 kernel.
A single line patch fixing a regression that was introduced in 3.13 in the
 reworking of the mxs touch screen and ADC drivers to be interrupt rather
 than polling driven.  It resulted in a stray double reporting of the release
 coordinate in the touch screen driver.  The bug lay in the adc side
 of the driver which left the statemachine in the wrong state.
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Merge tag 'fixes-for-3.14d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

Fourth set of IIO fixes for the 3.14 kernel.

A single line patch fixing a regression that was introduced in 3.13 in the
reworking of the mxs touch screen and ADC drivers to be interrupt rather
than polling driven.  It resulted in a stray double reporting of the release
coordinate in the touch screen driver.  The bug lay in the adc side
of the driver which left the statemachine in the wrong state.
2014-02-28 17:08:03 -08:00
Bjørn Mork 23c058201f usb: hub: usb_ext_cap_descriptor.bmAttributes is le32
Better check the correct bit on big endian systems too. Shuts
up the following sparse __CHECK_ENDIAN__ warning:

  .../hub.c:3965:32: warning: restricted __le32 degrades to integer

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:20:17 -08:00
Oliver Neukum 938569eb75 hub: debug message for failing to enable device
This error case isn't reported during enumeration.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:20:17 -08:00
Thomas Pugliese d1c5dd6f8e usb: wusbcore: add info to HWA debug prints
This patch adds a debug print in the transfer dequeue case where a
transfer result arrives for a transfer that has already been cleaned up.
It also adds the transfer ID to some debug prints and prints error codes
as signed integers in a couple of others.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:14:48 -08:00
Thomas Pugliese ecf3701ced usb: wusbcore: read actual_length bytes isoc in segments
Use the iso_frame_desc.actual_length field instead of length when
reading isoc in data segments from the HWA.  This fixes a case where the
isoc in read URB would never complete because it expected the HWA to
send more data than it actually did.  When this happened the URB would
be stuck in the driver preventing module unload and clean shutdown.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:14:48 -08:00
Thomas Pugliese 4659a2452b usb: wusbcore: adjust iterator correctly when searching for ep comp descriptor
If the endpoint companion descriptor is not the first descriptor in the
extra descriptor buffer of a usb_host_endpoint, the loop in
rpipe_epc_find will get its buffer pointer and remaining size values out
of sync.  The buffer ptr 'itr' is advanced by the descriptor's bLength
field but the remaining size value 'itr_size' is decremented by the
bDescriptorType field which is incorrect.  This patch fixes the loop to
decrement itr_size by bLength as it should.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:14:48 -08:00
Thomas Pugliese e500d526f9 usb: wusbcore: add a convenience function for completing a transfer segment
This patch adds a convenience function for the commonly performed task
of marking a transfer segment as done.  It combines the 3 steps of
setting the segment status, incrementing the segs_done field of the
transfer and checking if the completed segment results in the transfer
also being done.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:13:09 -08:00
Thomas Pugliese 5da43afc2b usb: wusbcore: prevent urb dequeue and giveback race
This patch takes a reference to the wa_xfer object in wa_urb_dequeue to
prevent the urb giveback code from completing the xfer and freeing it
while wa_urb_dequeue is executing.  It also checks for done at the start
to avoid a double completion scenario.  Adding the check for done in
urb_dequeue means that any other place where a submitted transfer
segment is marked as done must complete the transfer if it is done.
__wa_xfer_delayed_run was not checking this case so that check was added
as well.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:13:09 -08:00
Thomas Pugliese acfadcea2a usb: wusbcore: fix stranded URB after HWA unplug
This patch adds error checking to the abort request callback to forcibly
clean up the dequeued transfers if the abort request failed.  The
wa_complete_remaining_xfer_segs was modified so that it could be used in
this situation as well.  This fixes a stranded URB/PNP hang when the HWA
is unplugged while playing audio to a wireless audio device.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:13:09 -08:00
Thomas Pugliese 618836cc34 usb: wusbcore: fix kernel panic on HWA unplug
This patch adds ref counting to sections of code that operate on struct
wa_xfer objects that were missing it.  Specifically, error handling
cases need to be protected from freeing the xfer while it is still in
use elsewhere.  This fixes a kernel panic that can occur when pulling
the HWA dongle while data is being transferred to a wireless device.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-28 16:13:09 -08:00
Russell King 8427defd08 MAINTAINERS: add maintainer entry for Armada DRM driver
Add a maintainers entry for the Armada DRM driver.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-28 16:57:40 -06:00
Linus Torvalds ebb7c1971a A few dm-cache fixes, an invalid ioctl handling fix for dm multipath, a
couple immutable biovec fixups for dm mirror, and a few dm-thin fixes.
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Merge tag 'dm-3.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:
 "A few dm-cache fixes, an invalid ioctl handling fix for dm multipath,
  a couple immutable biovec fixups for dm mirror, and a few dm-thin
  fixes.

  There will likely be additional dm-thin metadata and data resize fixes
  to include in 3.14-rc6 next week.

  Note to stable-minded folks: Immutable biovecs were introduced in
  3.14, so the related fixups for dm mirror are not needed in stable@
  kernels"

* tag 'dm-3.14-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache: fix truncation bug when mapping I/O to >2TB fast device
  dm thin: allow metadata space larger than supported to go unused
  dm mpath: fix stalls when handling invalid ioctls
  dm thin: fix the error path for the thin device constructor
  dm raid1: fix immutable biovec related BUG when retrying read bio
  dm io: fix I/O to multiple destinations
  dm thin: avoid metadata commit if a pool's thin devices haven't changed
  dm cache: do not add migration to completed list before unhooking bio
  dm cache: move hook_info into common portion of per_bio_data structure
2014-02-28 11:53:33 -08:00
Linus Torvalds 7aa483554d sound fixes for 3.14-rc5
It's a bad habit to get a higher volume of fixes often lately, but
 things happen again.  All commits found here are real bug fixes,
 and are mostly trivial.  Most of changes in ASoC are the fixes for
 enum items due to the wrong API usages, in addition to a few DAPM
 mutex deadlock and other fixes.  In HD-audio, only fixups for HP
 laptops.  Although diffstat shows much, the changes are simple:
 there are just so many different device entries there.
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Merge tag 'sound-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "It's a bad habit to get a higher volume of fixes often lately, but
  things happen again.

  All commits found here are real bug fixes, and are mostly trivial.
  Most of changes in ASoC are the fixes for enum items due to the wrong
  API usages, in addition to a few DAPM mutex deadlock and other fixes.
  In HD-audio, only fixups for HP laptops.  Although diffstat shows
  much, the changes are simple: there are just so many different device
  entries there"

* tag 'sound-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ASoC: sta32x: Fix wrong enum for limiter2 release rate
  ASoC: da732x: Mark DC offset control registers volatile
  ALSA: hda/realtek - Add more entry for enable HP mute led
  ALSA: hda - Add a fixup for HP Folio 13 mute LED
  ASoC: wm8958-dsp: Fix firmware block loading
  ASoC: sta32x: Fix cache sync
  ALSA: hda/realtek - Add more entry for enable HP mute led
  ASoC: dapm: Add locking to snd_soc_dapm_xxxx_pin functions
  Input - arizona-haptics: Fix double lock of dapm_mutex
  ASoC: wm8400: Fix the wrong number of enum items
  ASoC: isabelle: Fix the wrong number of items in enum ctls
  ASoC: ad1980: Fix wrong number of items for capture source
  ASoC: wm8994: Fix the wrong number of enum items
  ASoC: wm8900: Fix the wrong number of enum items
  ASoC: wm8770: Fix wrong number of enum items
  ASoC: sta32x: Fix array access overflow
  ASoC: dapm: Correct regulator bypass error messages
2014-02-28 11:50:32 -08:00
Linus Torvalds 04b5225216 Two reference counting fixes for two Intel EDAC drivers.
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Merge tag 'edac_fixes_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC fixes from Borislav Petkov:
 "Two fixes below for PCI devices disappearing when a reference count
  underflow happens after a couple of insmod/rmmod cycles in succession"

* tag 'edac_fixes_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  i7300_edac: Fix device reference count
  i7core_edac: Fix PCI device reference count
2014-02-28 11:49:09 -08:00
Linus Torvalds d8efcf38b1 Three x86 fixes and one for ARM/ARM64. In particular, nested
virtualization on Intel is broken in 3.13 and fixed by this
 pull request.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "Three x86 fixes and one for ARM/ARM64.

  In particular, nested virtualization on Intel is broken in 3.13 and
  fixed by this pull request"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm, vmx: Really fix lazy FPU on nested guest
  kvm: x86: fix emulator buffer overflow (CVE-2014-0049)
  arm/arm64: KVM: detect CPU reset on CPU_PM_EXIT
  KVM: MMU: drop read-only large sptes when creating lower level sptes
2014-02-28 11:45:03 -08:00
Linus Torvalds 78d9e93440 - !CONFIG_SMP build fix
- pte bit testing macros conversion fix (int truncates top bits of long)
 - stack unwinding PC calculation fix
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull ARM64 fixes from Catalin Marinas:
 - !CONFIG_SMP build fix
 - pte bit testing macros conversion fix (int truncates top bits of
   long)
 - stack unwinding PC calculation fix

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Fix !CONFIG_SMP kernel build
  arm64: mm: Add double logical invert to pte accessors
  ARM64: unwind: Fix PC calculation
2014-02-28 11:43:42 -08:00