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Fix a trivial typo in a comment block.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Introducing DT transactional support.
A DT transaction is a method which allows one to apply changes
in the live tree, in such a way that either the full set of changes
take effect, or the state of the tree can be rolled-back to the
state it was before it was attempted. An applied transaction
can be rolled-back at any time.
Documentation is in
Documentation/devicetree/changesets.txt
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
[glikely: Removed device notifiers and reworked to be more consistent]
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Currently, devicetree reconfig notifiers get emitted before the change
is applied to the tree, but that behaviour is problematic if the
receiver wants the determine the new state of the tree. The current
users don't care, but the changeset code to follow will be making
multiple changes at once. Reorder notifiers to get emitted after the
change has been applied to the tree so that callbacks see the new tree
state.
At the same time, fixup the existing callbacks to expect the new order.
There are a few callbacks that compare the old and new values of a
changed property. Put both property pointers into the of_prop_reconfig
structure.
The current notifiers also allow the notifier callback to fail and
cancel the change to the tree, but that feature isn't actually used.
It really isn't valid to ignore a tree modification provided by firmware
anyway, so remove the ability to cancel a change to the tree.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: Nathan Fontenot <nfont@austin.ibm.com>
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PowerPC does an odd thing with dynamic nodes. It uses a notifier to
catch new node additions and set some of the values like name and type.
This makes no sense since that same code can be put directly into
of_attach_node(). Besides, all dynamic node users need this, not just
powerpc. Fix this problem by moving the logic out of arch/powerpc and
into drivers/of/dynamic.c.
It is also important to remove this notifier because we want to move the
firing of notifiers from before the tree is modified to after so that
the receiver gets a consistent view of the tree, but that is
incompatible with notifiers that modify the node.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: Nathan Fontenot <nfont@austin.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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The child pointer does not get cleared when attaching new nodes which
could cause the tree to be inconsistent. Clear the child pointer in
__of_attach_node() to be absolutely sure that the structure remains in a
consistent layout.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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All of the DT modification functions are split into two parts, the first
part manipulates the DT data structure, and the second part updates
sysfs, but the code isn't very consistent about how the second half is
called. They don't all enforce the same rules about when it is valid to
update sysfs, and there isn't any clarity on locking.
The transactional DT modification feature that is coming also needs
access to these functions so that it can perform all the structure
changes together, and then all the sysfs updates as a second stage
instead of doing each one at a time.
Fix up the second have by creating a separate __of_*_sysfs() function
for each of the helpers. The new functions have consistent naming (ie.
of_node_add() becomes __of_attach_node_sysfs()) and all of them now
defer if of_init hasn't been called yet.
Callers of the new functions must hold the of_mutex to ensure there are
no race conditions with of_init(). The mutex ensures that there will
only ever be one writer to the tree at any given time. There can still
be any number of readers and the raw_spin_lock is still used to make
sure access to the data structure is still consistent.
Finally, put the function prototypes into of_private.h so they are
accessible to the transaction code.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
[grant.likely: Changed suffix from _post to _sysfs to match existing code]
[grant.likely: Reorganized to eliminate trivial wrappers]
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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The DT overlay code will need to manipulate nodes and properties while
already holding the devicetree lock, or on nodes that are not yet
attached to the tree, but the current helper functions don't allow that.
Extract the core behaviour from the accessors and create the following
unlocked variants.
The unlocked variants require either the lock to already be held or for
the nodes to be detached from the tree. Changes to live nodes will not
get updated in sysfs, so the caller must arrange for housekeeping to
take place after dropping the lock.
The new functions are: __of_add_property(), __of_remove_property(),
__of_update_property(), __of_attach_node() and __of_detach_node().
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
[Remove unnecessary diff hunks and rewrite commit text]
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Introduce helper functions for working with the live DT tree,
all of them related to dynamically adding/removing nodes and
properties.
__of_prop_dup() copies a property dynamically
__of_node_alloc() creates an empty node
Bug fix about prop->len == 0 by Ionut Nicu <ioan.nicu.ext@nsn.com>
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
[glikely: Added unittest for of_copy_property and dropped fine-grained allocations]
[glikely: removed name, type and phandle arguments from __of_node_alloc]
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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Split the dynamic device tree code into a separate file to make it
really clear what features CONFIF_OF_DYNAMIC add to the kernel. Without
CONFIG_OF_DYNAMIC only properties can be changed, and notifiers do not
get sent. Enabling it turns on reference counting, notifiers and the
ability to add and remove nodes.
v2: Moved of_node_release() into dynamic.c
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Cc: Rob Herring <robh+dt@kernel.org>
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We're overloading usage of of_aliases_mutex for sysfs changes,
so rename to something that is more generic.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
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of_platform_destroy does not work properly, since the tree
population test was iterating on all devices having as its parent
the given platform device.
The check was intended to check whether any other platform or amba
devices created by of_platform_populate were still populated, but
instead checked for every kind of device. This is wrong, since platform
devices typically create a subsystem regular device and set themselves
as parents.
Instead, go ahead and call the unregister functions for any devices
created with of_platform_populate. The driver core will take care of
unbinding drivers, and drivers are responsible for getting rid of any
child devices that weren't created by of_platform_populate.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
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Pull devicetree bugfix from Grant Likely:
"Important bug fix for parsing 64-bit addresses on 32-bit platforms.
Without this patch the kernel will try to use memory ranges that
cannot be reached"
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
of: Check for phys_addr_t overflows in early_init_dt_add_memory_arch
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of 13 fixes, a MAINTAINERS update and a sparse update.
The fixes are mostly correct value initialisations, avoiding NULL
derefs and some uninitialised pointer avoidance.
All the patches have been incubated in -next for a few days. The
final patch (use the scsi data buffer length to extract transfer size)
has been rebased to add a cc to stable, but only the commit message
has changed"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] use the scsi data buffer length to extract transfer size
virtio-scsi: fix various bad behavior on aborted requests
virtio-scsi: avoid cancelling uninitialized work items
ibmvscsi: Add memory barriers for send / receive
ibmvscsi: Abort init sequence during error recovery
qla2xxx: Fix sparse warning in qla_target.c.
bnx2fc: Improve stats update mechanism
bnx2fc: do not scan uninitialized lists in case of error.
fc: ensure scan_work isn't active when freeing fc_rport
pm8001: Fix potential null pointer dereference and memory leak.
MAINTAINERS: Update LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) maintainers Email IDs
be2iscsi: remove potential junk pointer free
be2iscsi: add an missing goto in error path
scsi_error: set DID_TIME_OUT correctly
scsi_error: fix invalid setting of host byte
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Pull drm fixes from Dave Airlie:
"i915, tda998x and vmwgfx fixes,
The main one is i915 fix for missing VGA connectors, along with some
fixes for the tda998x from Russell fixing some modesetting problems.
(still on holidays, but got a spare moment to find these)"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: Fix incorrect write to read-only register v2:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
drm/i2c: tda998x: add some basic mode validation
drm/i2c: tda998x: faster polling for edid
drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A few minor fixlets in ARM SoC irq drivers and a fix for a memory leak
which I introduced in the last round of cleanups :("
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Fix memory leak when calling irq_free_hwirqs()
irqchip: spear_shirq: Fix interrupt offset
irqchip: brcmstb-l2: Level-2 interrupts are edge sensitive
irqchip: armada-370-xp: Mask all interrupts during initialization.
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git://anongit.freedesktop.org/drm-intel
Fixes for 3.16-rc3; most importantly Jesse brings back VGA he took away
on a bunch of machines. Also a vblank fix for BDW and a power workaround
fix for VLV.
* tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
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fix to a 3.15 commit.
* 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix incorrect write to read-only register v2:
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mode fixes for tda998x.
* 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
drm/i2c: tda998x: add some basic mode validation
drm/i2c: tda998x: faster polling for edid
drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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Pull md bugfixes from Neil Brown:
"Two minor bugfixes for md in 3.16"
* tag 'md/3.16-fixes' of git://neil.brown.name/md:
md: flush writes before starting a recovery.
md: make sure GET_ARRAY_INFO ioctl reports correct "clean" status
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains a few fixes for HD-audio: yet another Dell headset pin
quirk, a fixup for Thinkpad T540P, and an improved fix for
Haswell/Broadwell HDMI clock setup"
* tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
drm/i915: provide interface for audio driver to query cdclk
ALSA: hda - Add a fixup for Thinkpad T540p
ALSA: hda - Add another headset pin quirk for some Dell machines
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For Haswell and Broadwell, if the display power well has been disabled,
the display audio controller divider values EM4 M VALUE and EM5 N VALUE
will have been lost. The CDCLK frequency is required for reprogramming them
to generate 24MHz HD-A link BCLK. So provide a private interface for the
audio driver to query CDCLK.
This is a stopgap solution until a more generic interface between audio
and display drivers has been implemented.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB bugfixes from Greg KH:
"Here's a round of USB bugfixes, quirk additions, and new device ids
for 3.16-rc4. Nothing major in here at all, just a bunch of tiny
changes. All have been in linux-next with no reported issues"
* tag 'usb-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
usb: chipidea: udc: delete td from req's td list at ep_dequeue
usb: Kconfig: make EHCI_MSM selectable for QCOM SOCs
usb-storage/SCSI: Add broken_fua blacklist flag
usb: musb: dsps: fix the base address for accessing the mode register
tools: ffs-test: fix header values endianess
usb: phy: msm: Do not do runtime pm if the phy is not idle
usb: musb: Ensure that cppi41 timer gets armed on premature DMA TX irq
usb: gadget: gr_udc: Fix check for invalid number of microframes
usb: musb: Fix panic upon musb_am335x module removal
usb: gadget: f_fs: resurect usb_functionfs_descs_head structure
Revert "tools: ffs-test: convert to new descriptor format fixing compilation error"
xhci: Fix runtime suspended xhci from blocking system suspend.
xhci: clear root port wake on bits if controller isn't wake-up capable
xhci: correct burst count field for isoc transfers on 1.0 xhci hosts
xhci: Use correct SLOT ID when handling a reset device command
MAINTAINERS: update e-mail address
usb: option: add/modify Olivetti Olicard modems
USB: ftdi_sio: fix null deref at port probe
MAINTAINERS: drop two usb-serial subdriver entries
USB: option: add device ID for SpeedUp SU9800 usb 3g modem
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver bugfixes from Greg KH:
"Nothing major here, just 4 small bugfixes that resolve some issues
reported for the IIO (staging and non-staging) and the tidspbridge
driver"
* tag 'staging-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: tidspbridge: fix an erroneous removal of parentheses
iio: of_iio_channel_get_by_name() returns non-null pointers for error legs
staging: iio/ad7291: fix error code in ad7291_probe()
iio:adc:ad799x: Fix reading and writing of event values, apply shift
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Merge fixes from Andrew Morton:
"14 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
shmem: fix init_page_accessed use to stop !PageLRU bug
kernel/printk/printk.c: revert "printk: enable interrupts before calling console_trylock_for_printk()"
tools/testing/selftests/ipc/msgque.c: improve error handling when not running as root
fs/seq_file: fallback to vmalloc allocation
/proc/stat: convert to single_open_size()
hwpoison: fix the handling path of the victimized page frame that belong to non-LRU
mm:vmscan: update the trace-vmscan-postprocess.pl for event vmscan/mm_vmscan_lru_isolate
msync: fix incorrect fstart calculation
zram: revalidate disk after capacity change
tools: memory-hotplug fix unexpected operator error
tools: cpu-hotplug fix unexpected operator error
autofs4: fix false positive compile error
slub: fix off by one in number of slab tests
mm: page_alloc: fix CMA area initialisation when pageblock > MAX_ORDER
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Alexander reported mkswap on /dev/zram0 is failed if other process is
opening the block device file.
Step is as follows,
0. Reset the unused zram device.
1. Use a program that opens /dev/zram0 with O_RDWR and sleeps
until killed.
2. While that program sleeps, echo the correct value to
/sys/block/zram0/disksize.
3. Verify (e.g. in /proc/partitions) that the disk size is applied
correctly. It is.
4. While that program still sleeps, attempt to mkswap /dev/zram0.
This fails: mkswap: error: swap area needs to be at least 40 KiB
When I investigated, the size get by ioctl(fd, BLKGETSIZE64, xxx) on
mkswap to get a size of blockdev was zero although zram0 has right size by
2.
The reason is zram didn't revalidate disk after changing capacity so that
size of blockdev's inode is not uptodate until all of file is close.
This patch should fix the BUG.
Signed-off-by: Minchan Kim <minchan@kernel.org>
Reported-by: Alexander E. Patrakov <patrakov@gmail.com>
Tested-by: Alexander E. Patrakov <patrakov@gmail.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Acked-by: Jerome Marchand <jmarchan@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit "drm/vmwgfx: correct fb_fix_screeninfo.line_length", while fixing a
vmwgfx fbdev bug, also writes the pitch to a supposedly read-only register:
SVGA_REG_BYTES_PER_LINE, while it should be (and also in fact is) written to
SVGA_REG_PITCHLOCK.
This patch is Cc'd stable because of the unknown effects writing to this
register might have, particularly on older device versions.
v2: Updated log message.
Cc: stable@vger.kernel.org
Cc: Christopher Friedt <chrisfriedt@gmail.com>
Tested-by: Christopher Friedt <chrisfriedt@gmail.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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When we write to a degraded array which has a bitmap, we
make sure the relevant bit in the bitmap remains set when
the write completes (so a 're-add' can quickly rebuilt a
temporarily-missing device).
If, immediately after such a write starts, we incorporate a spare,
commence recovery, and skip over the region where the write is
happening (because the 'needs recovery' flag isn't set yet),
then that write will not get to the new device.
Once the recovery finishes the new device will be trusted, but will
have incorrect data, leading to possible corruption.
We cannot set the 'needs recovery' flag when we start the write as we
do not know easily if the write will be "degraded" or not. That
depends on details of the particular raid level and particular write
request.
This patch fixes a corruption issue of long standing and so it
suitable for any -stable kernel. It applied correctly to 3.0 at
least and will minor editing to earlier kernels.
Reported-by: Bill <billstuff2001@sbcglobal.net>
Tested-by: Bill <billstuff2001@sbcglobal.net>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/53A518BB.60709@sbcglobal.net
Signed-off-by: NeilBrown <neilb@suse.de>
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If an array has a bitmap, the when we set the "has bitmap" flag we
incorrectly clear the "is clean" flag.
"is clean" isn't really important when a bitmap is present, but it is
best to get it right anyway.
Reported-by: George Duffield <forumscollective@gmail.com>
Link: http://lkml.kernel.org/CAG__1a4MRV6gJL38XLAurtoSiD3rLBTmWpcS5HYvPpSfPR88UQ@mail.gmail.com
Fixes: 36fa30636fb84b209210299684e1be66d9e58217 (v2.6.14)
Signed-off-by: NeilBrown <neilb@suse.de>
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misc fixes, output fixes for 4k monitor, dpm lockup fixes
* 'drm-fixes-3.16' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: page table BOs are kernel allocations
drm/radeon/cik: fix typo in EOP packet
drm/radeon: Track the status of a page flip more explicitly
drm/radeon/dpm: fix vddci setup typo on cayman
drm/radeon/dpm: fix typo in vddci setup for eg/btc
drm/radeon: use RADEON_MAX_CRTCS, RADEON_MAX_AFMT_BLOCKS (v2)
drm/radeon: Use only one line for whole DPCD debug output
drm/radeon: add a module parameter to control deep color support
drm/radeon: enable bapm by default on desktop TN/RL boards
drm/radeon: enable bapm by default on KV/KB
drm/radeon: only apply bapm changes for AC power on ARUBA
drm/radeon: adjust default dispclk on DCE6 (v2)
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1539fb9bd405ee32282ea0a38404f9e008ac5b7a managed to somehow +x
drm_drv.c undo it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Userspace shouldn't be able to access them.
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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Volatile bit was in the wrong location. This bit is
not used at the moment.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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We need to delete un-finished td from current request's td list
at ep_dequeue API, otherwise, this non-user td will be remained
at td list before this request is freed. So if we do ep_queue->
ep_dequeue->ep_queue sequence, when the complete interrupt for
the second ep_queue comes, we search td list for this request,
the first td (added by the first ep_queue) will be handled, and
its status is still active, so we will consider the this transfer
still not be completed, but in fact, it has completed. It causes
the peripheral side considers it never receives current data for
this transfer.
We met this problem when do "Error Recovery Test - Device Configured"
test item for USBCV2 MSC test, the host has never received ACK for
the IN token for CSW due to peripheral considers it does not get this
CBW, the USBCV test log like belows:
--------------------------------------------------------------------------
INFO
Issuing BOT MSC Reset, reset should always succeed
INFO
Retrieving status on CBW endpoint
INFO
CBW endpoint status = 0x0
INFO
Retrieving status on CSW endpoint
INFO
CSW endpoint status = 0x0
INFO
Issuing required command (Test Unit Ready) to verify device has recovered
INFO
Issuing CBW (attempt #1):
INFO
|----- CBW LUN = 0x0
INFO
|----- CBW Flags = 0x0
INFO
|----- CBW Data Transfer Length = 0x0
INFO
|----- CBW CDB Length = 0x6
INFO
|----- CBW CDB-00 = 0x0
INFO
|----- CBW CDB-01 = 0x0
INFO
|----- CBW CDB-02 = 0x0
INFO
|----- CBW CDB-03 = 0x0
INFO
|----- CBW CDB-04 = 0x0
INFO
|----- CBW CDB-05 = 0x0
INFO
Issuing CSW : try 1
INFO
CSW Bulk Request timed out!
ERROR
Failed CSW phase : should have been success or stall
FAIL
(5.3.4) The CSW status value must be 0x00, 0x01, or 0x02.
ERROR
BOTCommonMSCRequest failed: error=80004000
Cc: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Cc: stable@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
"A few minor fbdev fixes for bfin_adv7393fb, omapdss, vt8500lcdfb,
atmel_lcdfb"
* tag 'fbdev-fixes-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
fb: adv7393: add missing semicolon
video: omapdss: Fix potential null pointer dereference
video: vt8500lcdfb: Remove kfree call since devm_kzalloc() is used
drivers:video:fbdev atmel_lcdfb.c power GPIO registration bug
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This prevents a panic: radeon_crtc_handle_page_flip() could run before
radeon_flip_work_func(), triggering the BUG_ON() in drm_vblank_put().
Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We were using the vddc mask rather than the vddci mask.
Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=79071
May also fix:
https://bugs.freedesktop.org/show_bug.cgi?id=69723
Noticed by: Dieter Nützel <Dieter@nuetzel-hh.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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We were using the vddc mask rather than the vddci mask.
Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=79071
Possibly also fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=68571
Noticed-by: Jonathan Howard <jonathan@unbiased.name>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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v2: agd5f: compile fix
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Some monitors seem to have problems with deep color enabled, even
though they claim to support it. I'm not sure if the monitor
need a quirk or if the driver is doing something the monitor doesn't
like. At this point lets just disable deep color by default like
we did for hdmi audio and work through the bugs so we can eventually
enable it by default.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=80531
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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bapm enabled the GPU and CPU to share TDP headroom. It was
disabled by default since some laptops hung when it was enabled
in conjunction with dpm. It seems to be stable on desktop
boards and fixes hangs on boot with dpm enabled on certain
boards, so enable it by default on desktop boards.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=72921
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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bapm allows the GPU and CPU to share TDP. This allows
for additional performance out of the GPU and CPU when
the headroom is available.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Newer asics shouldn't need any manual adjustment.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Set the default to 600Mhz if it's not set in the bios,
and bump the default to 600Mhz if it's lower than that.
This fixes display issues with certain 4k DP monitors when
using 5.4 Ghz DP clocks.
v2: fix typo.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Commit f8bd493456c3da372ae81ed8f6b903f6207b9d98 by Jingoo Han
introduced this problem. This makes bfin_adv7393fb.c failed to compile.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Drop WA to fix Voltage not getting dropped to Vmin when Gfx is power
gated for latest VLV revision.
Workaround fixed in Latest VLV revision. Forcing Gfx clk up not needed,
and Requesting the min freq should bring bring the voltage Vnn.
v2: Drop WA for Latest VLV revision (Ville)
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[Jani: modified code comment, reformatted the commit message a bit.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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This patch makes the msm ehci driver available to use on QCOM SOCs,
which have the same IP.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some buggy JMicron USB-ATA bridges don't know how to translate the FUA
bit in READs or WRITEs. This patch adds an entry in unusual_devs.h
and a blacklist flag to tell the sd driver not to use FUA.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Michael Büsch <m@bues.ch>
Tested-by: Michael Büsch <m@bues.ch>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.16-rc4
A few more fixes for this RC cycle. There's a revert of a previous patch
which ended up being the wrong version, so we reverted that commit and
applied a better fix.
CPPI41 got a race condition fix which was found by Thomas Gleixner.
The MSM PHY driver got a runtime pm usage fix so that it wouldn't
kill the PHY while it was still being used.
We also have a fix for a panic caused when removing musb_am335x driver.
Other than that, a few other minor fixes.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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