* acpi-resources:
ACPI / resources: only reject zero length resources based at address zero
* acpi-ac:
Revert "ACPI / AC: Remove AC's proc directory."
* acpi-scan:
ACPI / PNP: add soc_button_array device ID to PNP IDs list
* acpi-battery:
ACPI / battery: fix wrong value of capacity_now reported when fully charged
ACPI / battery: Retry to get battery information if failed during probing
Pull libata fixes from Tejun Heo:
"Nothing too interesting. All fixes are ahci_platform related"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci_xgene: fix the dma state machine lockup for the IDENTIFY DEVICE PIO mode command.
libahci: export ahci_qc_issue() and ahci_start_fix_rx()
ata: ahci_imx: warn when disabling ahci link
ahci: disable ncq feature for hisilicon sata
ahci: imx: manage only sata_ref_clk in imx_sata_enable[disable]
libahci_platform: Fail when PHY required but PHY support disabled
Pull cgroup fixes from Tejun Heo:
"Mostly fixes for the fallouts from the recent cgroup core changes.
The decoupled nature of cgroup dynamic hierarchy management
(hierarchies are created dynamically on mount but may or may not be
reused once unmounted depending on remaining usages) led to more
ugliness being added to kernfs.
Hopefully, this is the last of it"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cpuset: break kernfs active protection in cpuset_write_resmask()
cgroup: fix a race between cgroup_mount() and cgroup_kill_sb()
kernfs: introduce kernfs_pin_sb()
cgroup: fix mount failure in a corner case
cpuset,mempolicy: fix sleeping function called from invalid context
cgroup: fix broken css_has_online_children()
Pull workqueue fixes from Tejun Heo:
"Two workqueue fixes. Both are one liners. One fixes missing uevent
for workqueue files on sysfs. The other one fixes missing zeroing of
NUMA cpu masks which can lead to oopses among other things"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: zero cpumask of wq_numa_possible_cpumask on init
workqueue: fix dev_set_uevent_suppress() imbalance
Pull percpu fix from Tejun Heo:
"One patch to fix a typo in percpu section name. Given how long the
bug has been there and that there hasn't been any report of brekage,
it's unlikely to cause actual issues"
* 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
core: fix typo in percpu read_mostly section
Pull i2c build fix and cleanup from Wolfram Sang:
"One buildfix for the i2c subsystem. While here, I decided to add the
header cleanup as well"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: sun6i-p2wi: Remove duplicate inclusion of module.h
i2c: mux: pca954x: fix dependencies
Pull crypto fixes from Herbert Xu:
"This push fixes an error in sha512_ssse3 that leads to incorrect
output as well as a memory leak in caam_jr when the module is
unloaded"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: caam - fix memleak in caam_jr module
crypto: sha512_ssse3 - fix byte count to bit count conversion
This patch fixes a memory leak that appears when caam_jr module is unloaded.
Cc: <stable@vger.kernel.org> # 3.13+
Signed-off-by: Cristian Stoica <cristian.stoica@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
My enhancement to store the initial mapping size for later reuse in commit
486df8bc46 ("m68k: Increase initial mapping
to 8 or 16 MiB if possible") broke booting on machines where RAM doesn't
start at address zero.
Use pc-relative addressing to fix this.
Reported-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Andreas Schwab <schwab@linux-m68k.org>
Fixes for regressions and black screens, cc: stable where applicapable
(the last minute rebase was to sprinkle missing stable tags). A bit more
than what I'd wish for, but excluding vlv and that the first 3 patches are
just quirks for 1 regression it looks much better.
There's still a "oops, lost dithering" issue on older platforms open. I'm
working on a fix for that now but didn't want to delay this pile.
* tag 'drm-intel-fixes-2014-07-09' of git://anongit.freedesktop.org/drm-intel:
drm/i915/vlv: T12 eDP panel timing enforcement during reboot
drm/i915: Only unbind vgacon, not other console drivers
drm/i915: Don't clobber the GTT when it's within stolen memory
drm/i915/vlv: Update the DSI ULPS entry/exit sequence
drm/i915/vlv: DPI FIFO empty check is not needed
drm/i915: Toshiba CB35 has a controllable backlight
drm/i915: Acer C720 and C720P have controllable backlights
drm/i915: quirk asserts controllable backlight presence, overriding VBT
A couple of DP regression fixes, kepler memory reclocking fixes, and a fix for an annoying display issue that can pop up on resume.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nouveau/ram: fix test for gpio presence
drm/nouveau/dp: workaround broken display
drm/nouveau/dp: fix required link bandwidth calculations
drm/nouveau/kms: restore fbcon after display has been resumed
drm/nv50-/kms: pass a non-zero value for head to sor dpms methods
drm/nouveau/fb: Prevent inlining of ramfuc_reg
drm/gk104/ram: bash mpll bit 31 on
Commit f36fdb9f02 (i8k: Force SMM to run on CPU 0) adds support
for multi-core CPUs to the driver. Unfortunately, that causes it
to fail loading if compiled without SMP support, at least on
32 bit kernels. Kernel log shows "i8k: unable to get SMM Dell
signature", and function i8k_smm is found to return -EINVAL.
Testing revealed that the culprit is the missing return value check
of set_cpus_allowed_ptr.
Fixes: f36fdb9f02 (i8k: Force SMM to run on CPU 0)
Reported-by: Jim Bos <jim876@xs4all.nl>
Tested-by: Jim Bos <jim876@xs4all.nl>
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Andreas Mohr <andi@lisas.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds PID 0x0003 to the VID 0x128d (Testo). At least the
Testo 435-4 uses this, likely other gear as well.
Signed-off-by: Bert Vermeulen <bert@biot.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add code to poll the channel since we process only one message
at a time and the host may not interrupt us. Also increase the
receive buffer size since some KVP messages are close to 8K bytes in size.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Starting with Win8, we have implemented several optimizations to improve the
scalability and performance of the VMBUS transport between the Host and the
Guest. Some of the non-performance critical services cannot leverage these
optimization since they only read and process one message at a time.
Make adjustments to the callback dispatch code to account for the way
non-performance critical drivers handle reading of the channel.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are some USB-serial updates for v3.16-rc5 that add two new device IDs.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-3.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v3.16-rc5
Here are some USB-serial updates for v3.16-rc5 that add two new device IDs.
Signed-off-by: Johan Hovold <johan@kernel.org>
o fix normal and recovery path for fallocated regions
o fix error case mishandling
o recover renamed fsync inodes correctly
o fix to get out of infinite loops in balance_dirty_pages
o fix kernel NULL pointer error
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Merge tag 'f2fs-fixes-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs bugfixes from Jaegeuk Kim:
"This includes a couple of bug fixes found by xfstests. In addition,
one critical bug was reported by Brian Chadwick, which is falling into
the infinite loop in balance_dirty_pages. And it turned out due to
the IO merging policy in f2fs, which was newly merged in 3.16.
- fix normal and recovery path for fallocated regions
- fix error case mishandling
- recover renamed fsync inodes correctly
- fix to get out of infinite loops in balance_dirty_pages
- fix kernel NULL pointer error"
* tag 'f2fs-fixes-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: avoid to access NULL pointer in issue_flush_thread
f2fs: check bdi->dirty_exceeded when trying to skip data writes
f2fs: do checkpoint for the renamed inode
f2fs: release new entry page correctly in error path of f2fs_rename
f2fs: fix error path in init_inode_metadata
f2fs: check lower bound nid value in check_nid_range
f2fs: remove unused variables in f2fs_sm_info
f2fs: fix not to allocate unnecessary blocks during fallocate
f2fs: recover fallocated data and its i_size together
f2fs: fix to report newly allocate region as extent
Commit 5180d5f4 ("firmware: Simplify directory creation") broke
including firmware specified in CONFIG_EXTRA_FIRMWARE:
MK_FW firmware/amd-ucode/microcode_amd.bin.gen.S
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
...
firmware/Makefile:185: recipe for target
'firmware/amd-ucode/microcode_amd.bin.gen.S' failed
It works with O= builds, because the directory is created by
Makefile.build. Create the directory in firmware/Makefile in non-O
builds.
Reported-and-tested-by: Ronald Uitermark <ronald645@gmail.com>
Reported-and-tested-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=75861
Denis 2014-05-10 11:28:59 UTC reported:
"F2FS-fs (mmcblk0p28): mounting..
Unable to handle kernel NULL pointer dereference at virtual address 00000018
...
[<c0a2f678>] (_raw_spin_lock+0x3c/0x70) from [<c03a0330>] (issue_flush_thread+0x50/0x17c)
[<c03a0330>] (issue_flush_thread+0x50/0x17c) from [<c01b4064>] (kthread+0x98/0xa4)
[<c01b4064>] (kthread+0x98/0xa4) from [<c0108060>] (kernel_thread_exit+0x0/0x8)"
This patch assign cmd_control_info in sm_info before issue_flush_thread is being
created, so this make sure that issue flush thread will have no chance to access
invalid info in fcc.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Reviewed-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
If we don't check the current backing device status, balance_dirty_pages can
fall into infinite pausing routine.
This can be occurred when a lot of directories make a small number of dirty
dentry pages including files.
Reported-by: Brian Chadwick <brianchad@westnet.com.au>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
If an inode is renamed, it should be registered as file_lost_pino to conduct
checkpoint at f2fs_sync_file.
Otherwise, the inode cannot be recovered due to no dent_mark in the following
scenario.
Note that, this scenario is from xfstests/322.
1. create "a"
2. fsync "a"
3. rename "a" to "b"
4. fsync "b"
5. Sudden power-cut
After recovery is done, "b" should be seen.
However, the result shows "a", since the recovery procedure does not enter
recover_dentry due to no dent_mark.
The reason is like below.
- The nid of "a" is checkpointed during #2, f2fs_sync_file.
- The inode page for "b" produced by #3 is written without dent_mark by
sync_node_pages.
So, this patch fixes this bug by assinging file_lost_pino to the "a"'s inode.
If the pino is lost, f2fs_sync_file conducts checkpoint, and then recovers
the latest pino and its dentry information for further recovery.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This patch correct releasing code of new_page to avoid BUG_ON in error patch of
f2fs_rename.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
If we fail in this path:
->init_inode_metadata
->make_empty_dir
->get_new_data_page
->grab_cache_page return -ENOMEM
We will bug on in error path of init_inode_metadata when call remove_inode_page
because i_block = 2 (one inode block will be released later & one dentry block).
We should release the dentry block in init_inode_metadata to avoid this BUG_ON,
and avoid leak of dentry block resource, because we never have second chance to
release that block in ->evict_inode as in upper error path we make this inode
'bad'.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This patch add lower bound verification for nid in check_nid_range, so nids
reserved like 0, node, meta passed by caller could be checked there.
And then check_nid_range could be used in f2fs_nfs_get_inode for simplifying
code.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
The soc_button_array PNP driver was introduced in 3.15.
But in commit eec15edbb0 (ACPI / PNP: use device ID list for
PNPACPI device enumeration), when reworking the PNPACPI device
enumeration, we missed the soc_button_array device ID.
This results in a regression in 3.16-rc1 that soc_button_array
pnp device fails to be enumerated.
Fix the problem by adding soc_button_array device ID into the
acpi_pnp scan handler's ID list.
Fixes: eec15edbb0 (ACPI / PNP: use device ID list for PNPACPI device enumeration)
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The panel power sequencer on vlv doesn't appear to accept changes to its
T12 power down duration during warm reboots. This change forces a delay
for warm reboots to the T12 panel timing as defined in the VBT table for
the connected panel.
Ver2: removed redundant pr_crit(), commented magic value for pp_div_reg
Ver3: moved SYS_RESTART check earlier, new name for pp_div.
Ver4: Minor issue changes
Ver5: Move registration of reboot notifier to edp_connector_init,
Added warning comment to handler about lack of PM notification.
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The console subsystem only provides a function to switch to a given
console, but we want to actually only switach away from vgacon.
Unconditionally switching to the dummy console resulted in switching
away from fbcon in multi-gpu setups when other gpu drivers are loaded
before i915.
Then either the reinitialization of fbcon when i915 registers its
fbdev emulation or the teardown of the fbcon driver killed the
machine. So only switch to the dummy console when it's required.
Kudos to Chris for the original idea, I've only refined it a bit to
still unregister vgacon even when it's currently unused.
This regression has been introduced in
commit a4de05268e
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu Jun 5 16:20:46 2014 +0200
drm/i915: Kick out vga console
Reported-and-tested-by: Ed Tomlinson <edt@aei.ca>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
On most gen2-4 platforms the GTT can be (or maybe always is?)
inside the stolen memory region. If that's the case, reduce the
size of the stolen memory appropriately to make make sure we
don't clobber the GTT.
v2: Deal with gen4 36 bit physical address
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80151
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We should keep DEVICE_READY bit set in the ULPS enter sequence. In
exit sequence also we should set DEVICE_READY, but thats causing
blankout for me. Also exit sequence is simplified as per hw team
recommendation.
This should fix -
[drm:intel_dsi_clear_device_ready] *ERROR* DSI LP not going Low
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80818
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
While sending DPI SHUTDOWN command, we cannot wait for FIFO empty as
pipes are not disabled at that time. In case of MIPI we disable port
first and send SHUTDOWN command while pipe is still running and FIFOs
will not be empty, causing spurious error log
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The Toshiba CB35 Chromebook (with Celeron 2955U CPU) has a controllable
backlight although its VBT reports otherwise. Apply quirk to ignore the
backlight presence check during backlight setup.
Patch tested by author on Toshiba CB35.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
CC: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The Acer C720 and C720P Chromebooks (with Celeron 2955U CPU) have a
controllable backlight although their VBT reports otherwise. Apply quirk
to ignore the backlight presence check during backlight setup.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Tested-by: James Duley <jagduley@gmail.com>
Tested-by: Michael Mullin <masmullin@gmail.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
CC: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
commit c675949ec5
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Apr 9 11:31:37 2014 +0300
drm/i915: do not setup backlight if not available according to VBT
caused a regression on machines with a misconfigured VBT. Add a quirk to
assert the presence of a controllable backlight. Use it to ignore the VBT
backlight presence check during backlight setup.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813
Tested-by: James Duley <jagduley@gmail.com>
Tested-by: Michael Mullin <masmullin@gmail.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org # 3.15 only
[danvet: Add cc: stable because the regressing commit is in 3.15.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Since commtit 8a7b1227e3 (cpufreq: davinci: move cpufreq driver to
drivers/cpufreq) this added dependancy only for CONFIG_ARCH_DAVINCI_DA850
where as davinci_cpufreq_init() call is used by all davinci platform.
This patch fixes following build error:
arch/arm/mach-davinci/built-in.o: In function `davinci_init_late':
:(.init.text+0x928): undefined reference to `davinci_cpufreq_init'
make: *** [vmlinux] Error 1
Fixes: 8a7b1227e3 (cpufreq: davinci: move cpufreq driver to drivers/cpufreq)
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Lots of hid sensors component drivers had a bug due to a local variable
whose name suggested it was returned from the read_raw function not
infact being returned (ret vs ret_type). Fixed and unused ret removed.
* Block a possible race condition in tcs3472 by locking around some
dependant i2c messages.
* Fix bug in the am335x driver fifo setup that occurs if the final
channel enabled takes certain values.
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Merge tag 'iio-fixes-for-3.16c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Third round of iio fixes for the 3.16 cycle.
* Lots of hid sensors component drivers had a bug due to a local variable
whose name suggested it was returned from the read_raw function not
infact being returned (ret vs ret_type). Fixed and unused ret removed.
* Block a possible race condition in tcs3472 by locking around some
dependant i2c messages.
* Fix bug in the am335x driver fifo setup that occurs if the final
channel enabled takes certain values.
Since AI lines could be selected at will (linux-3.11) the sending
and receiving ends of the FIFO does not agree about what step is used
for a line. It only works if the last lines are used, like 5,6,7,
and fails if ie 2,4,6 is selected in DT.
Signed-off-by: Jan Kardell <jan.kardell@telliq.com>
Tested-by: Zubair Lutfullah <zubair.lutfullah@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: stable@vger.kernel.org
Nothing major, but potentially annoying and worthwhile to fix.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Fix a number of zero-day bugs, mostly found with module test scripts.
Nothing major, but potentially annoying and worthwhile to fix"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (adc128d818) Drop write support on inX_input attributes
hwmon: (emc2103) Clamp limits instead of bailing out
hwmon: (adm1031) Fix writes to limit registers
hwmon: (adm1021) Fix cache problem when writing temperature limits
hwmon: (adm1029) Ensure the fan_div cache is updated in set_fan_div
hwmon: (amc6821) Fix permissions for temp2_input
hwmon: (ntc_thermistor) Correct information printed during probe
include/linux/sched.h implements TASK_SIZE_OF as TASK_SIZE if it
is not set by the architecture headers. TASK_SIZE uses the
current task to determine the size of the virtual address space.
On a 64-bit kernel this will cause reading /proc/pid/pagemap of a
64-bit process from a 32-bit process to return EOF when it reads
past 0xffffffff.
Implement TASK_SIZE_OF exactly the same as TASK_SIZE with
test_tsk_thread_flag instead of test_thread_flag.
Cc: stable@vger.kernel.org
Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The __cpu_clear_user_page() and __cpu_copy_user_page() functions
are not currently exported. This prevents modules from using
clear_user_page() and copy_user_page().
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This patch fixes the dma state machine lockup due to the processing
of IDENTIFY DEVICE PIO mode command. The X-Gene AHCI controller
has an errata in which it cannot clear the BSY bit after the PIO setup
FIS. The dma state machine enters CMFatalErrorUpdate state and locks
up. This patch also removes the dma restart workaround from the read_id
function as the read_id function is only called by libata layer for
ATA_INTERNAL commands. But for some cases eg: PORT MULTIPLIER
and udev, the framework will enumerate using SCSI commands and it will
not call read_id function.
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
The subsequent patch will make use of them.
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This code is not working currently and it can be removed. There is a
conflict in sharing resources with the actual HDMI driver and with
the ASoC HDMI audio DAI driver.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
PRCM code (when DSPBridge is used) for v3.16-rc.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/prcm-a-v3.16-rc/20140706174258/
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Merge tag 'for-v3.16-rc/omap-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v3.16/fixes
Some miscellaneous fixes for OMAP clock code, DRA7xx device data, and
PRCM code (when DSPBridge is used) for v3.16-rc.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/prcm-a-v3.16-rc/20140706174258/
Let's say clock A and B are two gate clocks that share the same register
bit in hardware. Therefore they are registered as shared gate clocks
with imx_clk_gate2_shared().
In a scenario that only clock A is enabled by clk_enable(A) while B is
not used, the shared gate will be unexpectedly disabled in hardware.
It happens because clk_enable(A) increments the share_count from 0 to 1,
while clock B is unused to clock core, and therefore the core function
will just disable B by calling clk->ops->disable() directly. The
consequence of that call is share_count is decremented to 0 and the gate
is disabled in hardware, even though clock A is still in use.
The patch fixes the issue by initializing the share_count per hardware
state and returns enable state per share_count from .is_enabled() hook,
in case it's a shared gate.
While at it, add a check in clk_gate2_disable() to ensure it's never
called with a zero share_count.
Reported-by: Fabio Estevam <fabio.estevam@freescale.com>
Fixes: f9f28cdf21 ("ARM: imx: add shared gate clock support")
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
- fix the check for SMP configuration with using CONFIG_SMP
not just SMP
- fix the number of pwm-cells for exynos4 pwm
- fix ftrace for exynos_mct
- register exynos_mct for stable udely
- fix secondary boot addr for secure mode for exynos SoCs
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Merge tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung fixes-2 for v3.16" from Kukjin Kim:
- fix the check for SMP configuration with using CONFIG_SMP
not just SMP
- fix the number of pwm-cells for exynos4 pwm
- fix ftrace for exynos_mct
- register exynos_mct for stable udely
- fix secondary boot addr for secure mode for exynos SoCs
* tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Update secondary boot addr for secure mode
clocksource: exynos_mct: Register the timer for stable udelay
clocksource: exynos_mct: Fix ftrace
ARM: dts: fix pwm-cells in pwm node for exynos4
ARM: EXYNOS: Fix the check for non-smp configuration
Signed-off-by: Olof Johansson <olof@lixom.net>
Pull "Renesas ARM Based SoC Maintainers Updates for v3.17" from Simon Horman:
* Expand ARM/SHMOBILE maintainers entry to cover
DT and defconfig files.
* tag 'renesas-maintainers-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Add DT and defconfigs to MAINTAINERS
Signed-off-by: Olof Johansson <olof@lixom.net>
The display in fdo#76483 pulses the hotplug line for link retraining
after we cut power to the main link on the source, even while it's
in D3.
fdo#76483
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Rafael J. Wysocki