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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>
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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>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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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>
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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>
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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>
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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>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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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>
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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>
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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>
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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>
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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
ae8963adb4ad8c5f2a89ca1d99fb7bb721e7599f "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>
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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>
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Since commit 2d22b42db02f "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>
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We want the fixes here too.
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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'
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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
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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.
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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
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These I forgot about before, but need to get into 3.14-final.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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>
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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>
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These formats are deprecated.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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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
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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
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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.
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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>
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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.
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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
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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
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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
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When remapping a block to the cache's fast device that is larger than
2TB we must not truncate the destination sector to 32bits. The 32bit
temporary result of from_cblock() was being overflowed in
remap_to_cache() due to the logical left shift.
Use an intermediate 64bit type to store the 32bit from_cblock() result
to fix the overflow.
Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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* pm-cpufreq:
intel_pstate: Change busy calculation to use fixed point math.
* pm-hibernate:
PM / hibernate: Fix restore hang in freeze_processes()
* acpi-processor:
ACPI / processor: Rework processor throttling with work_on_cpu()
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Now that we disable audio while setting up the audio
hw, we should be able to set this up without hangs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Disable audio around audio hw setup. This may avoid
hangs on certain asics.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Properly clear the enable bit when audio disable is requested.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
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Need to free the uvd ring. Also reshuffle gart tear down to
happen after uvd tear down.
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Causes display problems. We had already disabled
sharing for non-DP displays.
Based on a patch from:
Niels Ole Salscheider <niels_ole@salscheider-online.de>
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=58121
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Otherwise we might get a crash here.
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Print the supported functions mask in addition to
the version. This is useful in debugging PX
problems since we can see what functions are available.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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