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
This week's arm-soc fixes:
- A set of of OMAP patches that we had missed Tony's pull request of:
- Reset fix for am43xx
- Proper OPP table for omap5
- Fix for SoC detection of one of the DRA7 SoCs
- hwmod updates to get SATA and OCP to work on omap5 (drivers merged in 3.16)
- ... plus a handful of smaller fixes
- sunxi needed to re-add machine specific restart code that was removed in
anticipation of a watchdog driver being merged for 3.16, and it didn't make
it in.
- Marvell fixes for PCIe on SMP and a big-endian fix.
- A trivial defconfig update to make my capri test board boot with
bcm_defconfig again.
... and a couple of MAINTAINERS updates, one to claim new Keystone
drivers that have been merged, and one to merge MXS and i.MX (both
Freescale platforms).
The largest diffs come from the hwmod code for omap5 and the re-add of
the restart code on sunxi. The hwmod stuff is quite late at this point
but it slipped through cracks repeatedly while coming up the maintainer
chain and only affects the one SoC so risk is low.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This week's arm-soc fixes:
- A set of of OMAP patches that we had missed Tony's pull request of:
* Reset fix for am43xx
* Proper OPP table for omap5
* Fix for SoC detection of one of the DRA7 SoCs
* hwmod updates to get SATA and OCP to work on omap5 (drivers
merged in 3.16)
* ... plus a handful of smaller fixes
- sunxi needed to re-add machine specific restart code that was
removed in anticipation of a watchdog driver being merged for 3.16,
and it didn't make it in.
- Marvell fixes for PCIe on SMP and a big-endian fix.
- A trivial defconfig update to make my capri test board boot with
bcm_defconfig again.
... and a couple of MAINTAINERS updates, one to claim new Keystone
drivers that have been merged, and one to merge MXS and i.MX (both
Freescale platforms).
The largest diffs come from the hwmod code for omap5 and the re-add of
the restart code on sunxi. The hwmod stuff is quite late at this
point but it slipped through cracks repeatedly while coming up the
maintainer chain and only affects the one SoC so risk is low"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: Add few more Keystone drivers
MAINTAINERS: merge MXS entry into IMX one
ARM: sunxi: Reintroduce the restart code for A10/A20 SoCs
ARM: mvebu: fix cpuidle implementation to work on big-endian systems
ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
ARM: mvebu: move Armada 375 external abort logic as a quirk
ARM: bcm: Fix bcm and multi_v7 defconfigs
ARM: dts: dra7-evm: remove interrupt binding
ARM: OMAP2+: Fix parser-bug in platform muxing code
ARM: DTS: dra7/dra7xx-clocks: ATL related changes
ARM: OMAP2+: drop unused function
ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
ARM: dts: omap5: Update CPU OPP table as per final production Manual
ARM: DRA722: add detection of SoC information
ARM: dts: Enable twl4030 off-idle configuration for selected omaps
ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
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.
The mount manpage says of the max_batch_time option,
This optimization can be turned off entirely
by setting max_batch_time to 0.
But the code doesn't do that. So fix the code to do
that.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
We are spending a lot of time explaining to users what this error
means. Let's try to improve the message to avoid this problem.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
Make it clear that values printed are times, and that it is error
since last fsck. Also add note about fsck version required.
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Cc: stable@vger.kernel.org
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
The first time that we allocate from an uninitialized inode allocation
bitmap, if the block allocation bitmap is also uninitalized, we need
to get write access to the block group descriptor before we start
modifying the block group descriptor flags and updating the free block
count, etc. Otherwise, there is the potential of a bad journal
checksum (if journal checksums are enabled), and of the file system
becoming inconsistent if we crash at exactly the wrong time.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
irq_free_hwirqs() always calls irq_free_descs() with a cnt == 0
which makes it a no-op since the interrupt count to free is
decremented in itself.
Fixes: 7b6ef12625
Signed-off-by: Keith Busch <keith.busch@intel.com>
Acked-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/1404167084-8070-1-git-send-email-keith.busch@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Agreed with by Srinivas.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Update MAINTAINERS file for recently added reset controller, AEMIF
and clocksource driver for Keystone SOCs.
The EMIF memory controller driver is also added along with AEMIF.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The mach-mxs platform is actually co-maintained by myself and
pengutronix folks. Also it's hosted in the same kernel tree as IMX.
So let's merge the entry into IMX one.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
- mvebu
- Fix PCIe deadlock now that SMP is enabled
- Fix cpuidle for big-endian systems
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Merge tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for v3.16 (round #2)
- mvebu
- Fix PCIe deadlock now that SMP is enabled
- Fix cpuidle for big-endian systems
* tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: fix cpuidle implementation to work on big-endian systems
ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
ARM: mvebu: move Armada 375 external abort logic as a quirk
Signed-off-by: Olof Johansson <olof@lixom.net>
This partly reverts commits 553600502b (ARM: sunxi: Remove reset code from
the platform) and 5e669ec583 (ARM: sunxi: Remove init_machine callback) for
the sun4i, sun5i and sun7i families.
This is needed because the watchdog counterpart of these commits was dropped,
and didn't make it into 3.16. In order to still be able to reboot the board, we
need to reintroduce that code. Of course, the long term view is still to get
rid of that code in mach-sunxi.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
enabling of a few features that had to wait for the driver
dependencies to clear.
The fixes included are:
- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed
And the enabling of features that had driver dependencies are:
- Change dra7 to use Audio Tracking Logic clock instead of a fixed
clock now that the clock driver for it has been merged
- Enable off idle configuration for selected omaps as all the kernel
dependencies for device tree based booting are finally merged as
this is needed to get the automated PM tests working finally with
device tree based booting
- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
all the driver dependencies are now in the kernel and this patch
fell through the cracks during the merge window
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Merge tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge OMAP fixes from Tony Lindgren:
Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
dependencies to clear.
The fixes included are:
- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed
And the enabling of features that had driver dependencies are:
- Change dra7 to use Audio Tracking Logic clock instead of a fixed
clock now that the clock driver for it has been merged
- Enable off idle configuration for selected omaps as all the kernel
dependencies for device tree based booting are finally merged as
this is needed to get the automated PM tests working finally with
device tree based booting
- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
all the driver dependencies are now in the kernel and this patch
fell through the cracks during the merge window
* tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: dra7-evm: remove interrupt binding
ARM: OMAP2+: Fix parser-bug in platform muxing code
ARM: DTS: dra7/dra7xx-clocks: ATL related changes
ARM: OMAP2+: drop unused function
ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
ARM: dts: omap5: Update CPU OPP table as per final production Manual
ARM: DRA722: add detection of SoC information
ARM: dts: Enable twl4030 off-idle configuration for selected omaps
ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
We are returning success here because PTR_ERR(NULL) is zero. We should
be returning -ENODEV.
Fixes: 3de68d331c ('pinctrl: berlin: add the core pinctrl driver for Marvell Berlin SoCs')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch registers the exynos mct clocksource as the current timer
as it has constant clock rate. This will generate correct udelay for
the exynos platform and avoid using unnecessary calibrated
jiffies. This change has been tested on exynos5420 based board and
udelay is very close to expected.
Without this patch udelay() on exynos5400 / exynos5800 is wildly
inaccurate due to big.LITTLE not adjusting loops_per_jiffy correctly.
Also without this patch udelay() on exynos5250 can be innacruate
during transitions between frequencies < 800 MHz (you'll go 200 MHz ->
800 MHz -> 300 MHz and will run at 800 MHz for a time with the wrong
loops_per_jiffy).
[dianders: reworked and created version 3]
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
In (93bfb76 clocksource: exynos_mct: register sched_clock callback) we
supported using the MCT as a scheduler clock. We properly marked
exynos4_read_sched_clock() as notrace. However, we then went and
called another function that _wasn't_ notrace. That means if you do:
cd /sys/kernel/debug/tracing/
echo function_graph > current_tracer
You'll get a crash.
Fix this (but still let other readers of the MCT be trace-enabled) by
adding an extra function. It's important to keep other users of MCT
traceable because the MCT is actually quite slow to access and we want
exynos4_frc_read() to show up in ftrace profiles if it's the
bottleneck.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
pwm-cells should be 3. Third cell is optional PWM flags. And This flag
supported by this binding is PWM_POLARITY_INVERTED.
Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Commit 1754c42e3db5("ARM: exynos: move sysram info to exynos.c") missed
out the CONFIG_ prefix causing exynos_sysram_init() to get called twice
for SMP configurations.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Reviewed-by: Sachin Kamat <sachin.kamat@samsug.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
All other users of Makefile.build set $(obj) to the name of the
subdirectory to build. Do the same for the packaging targets, otherwise
the build fails if $(srctree) is a relative directory:
$ make O=build tar-pkg
make[1]: Entering directory `/home/mmarek/linux-2.6/build'
CHK include/config/kernel.release
../scripts/Makefile.build:44: ../../scripts/package/Makefile: No such file or directory
make[2]: *** No rule to make target `../../scripts/package/Makefile'. Stop.
Fixes: 9da0763b ("kbuild: Use relative path when building in a subdir of the source tree")
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Merge tag 'md/3.16-fixes' of git://neil.brown.name/md
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
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.
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Merge tag 'sound-3.16-rc4' of 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
Pull btrfs fixes from Chris Mason:
"We've queued up a few fixes in my for-linus branch"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix crash when starting transaction
Btrfs: fix btrfs_print_leaf for skinny metadata
Btrfs: fix race of using total_bytes_pinned
btrfs: use E2BIG instead of EIO if compression does not help
btrfs: remove stale comment from btrfs_flush_all_pending_stuffs
Btrfs: fix use-after-free when cloning a trailing file hole
btrfs: fix null pointer dereference in btrfs_show_devname when name is null
btrfs: fix null pointer dereference in clone_fs_devices when name is null
btrfs: fix nossd and ssd_spread mount option regression
Btrfs: fix race between balance recovery and root deletion
Btrfs: atomically set inode->i_flags in btrfs_update_iflags
btrfs: only unlock block in verify_parent_transid if we locked it
Btrfs: assert send doesn't attempt to start transactions
btrfs compression: reuse recently used workspace
Btrfs: fix crash when mounting raid5 btrfs with missing disks
btrfs: create sprout should rename fsid on the sysfs as well
btrfs: dev replace should replace the sysfs entry
btrfs: dev add should add its sysfs entry
btrfs: dev delete should remove sysfs entry
btrfs: rename add_device_membership to btrfs_kobj_add_device
The CurrentEL system register reports the Current Exception Level
of the CPU. It doesn't say anything about the stack handling, and
yet we compare it to PSR_MODE_EL2t and PSR_MODE_EL2h.
It works by chance because PSR_MODE_EL2t happens to match the right
bits, but that's otherwise a very bad idea. Just check for the EL
value instead.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
[catalin.marinas@arm.com: fixed arch/arm64/kernel/efi-entry.S]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The __sync_icache_dcache routine will only flush the dcache for the
first page of a compound page, potentially leading to stale icache
data residing further on in a hugetlb page.
This patch addresses this issue by taking into consideration the
order of the page when flushing the dcache.
Reported-by: Mark Brown <broonie@linaro.org>
Tested-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org> # v3.11+
The define ARM64_64K_PAGES is tested for rather than
CONFIG_ARM64_64K_PAGES. Correct that typo here.
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Commit c2e28dc9 (kbuild: Print the name of the build directory) prints
the name of the build directory for O= builds, but we should not be
doing this in make -s mode, so that commands like
make -s O=<dir> kernelrelease
can be used by scripts. This matches the behavior of make itself, where
the -s option implies --no-print-directory.
Signed-off-by: Michal Marek <mmarek@suse.cz>
For HSW/BDW display HD-A controller, hda_set_bclk() is defined to set BCLK
by programming the M/N values as per the core display clock (CDCLK) queried from
i915 display driver.
And the audio driver will also set BCLK in azx_first_init() since the display
driver can turn off the shared power in boot phase if only eDP is connected
and M/N values will be lost and must be reprogrammed.
Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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>
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.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.16-rc4' of 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
...
Nothing major here, just 4 small bugfixes that resolve some issues
reported for the IIO (staging and non-staging) and the tidspbridge
driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.16-rc4' of 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
Well, one drivercore fix for kernfs to resolve a reported issue with
sysfs files being updated from atomic contexts, and another lz4 bugfix
for testing potential buffer overflows.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Well, one drivercore fix for kernfs to resolve a reported issue with
sysfs files being updated from atomic contexts, and another lz4 bugfix
for testing potential buffer overflows"
* tag 'driver-core-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
lz4: add overrun checks to lz4_uncompress_unknownoutputsize()
kernfs: kernfs_notify() must be useable from non-sleepable contexts
running:
# perf probe -x /lib/libc.so.6 syscall
# echo 1 >> /sys/kernel/debug/tracing/events/probe_libc/enable
# perf record -e probe_libc:syscall whatever
kills the uprobe. Along the way he found some other minor bugs and clean ups
that he fixed up making it a total of 4 patches.
Doing unrelated work, I found that the reading of the ftrace trace
file disables all function tracer callbacks. This was fine when ftrace
was the only user, but now that it's used by perf and kprobes, this
is a bug where reading trace can disable kprobes and perf. A very unexpected
side effect and should be fixed.
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Merge tag 'trace-fixes-v3.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Oleg Nesterov found and fixed a bug in the perf/ftrace/uprobes code
where running:
# perf probe -x /lib/libc.so.6 syscall
# echo 1 >> /sys/kernel/debug/tracing/events/probe_libc/enable
# perf record -e probe_libc:syscall whatever
kills the uprobe. Along the way he found some other minor bugs and
clean ups that he fixed up making it a total of 4 patches.
Doing unrelated work, I found that the reading of the ftrace trace
file disables all function tracer callbacks. This was fine when
ftrace was the only user, but now that it's used by perf and kprobes,
this is a bug where reading trace can disable kprobes and perf. A
very unexpected side effect and should be fixed"
* tag 'trace-fixes-v3.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Remove ftrace_stop/start() from reading the trace file
tracing/uprobes: Fix the usage of uprobe_buffer_enable() in probe_event_enable()
tracing/uprobes: Kill the bogus UPROBE_HANDLER_REMOVE code in uprobe_dispatcher()
uprobes: Change unregister/apply to WARN() if uprobe/consumer is gone
tracing/uprobes: Revert "Support mix of ftrace and perf"
Pull kbuild fix from Michal Marek:
"There is one more fix for the relative paths series from -rc1: Print
the path to the build directory at the start of the build, so that
editors and IDEs can match the relative paths to source files"
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Print the name of the build directory
Pull nfsd bugfixes from Bruce Fields:
"By coincidence, two NFSv4 symlink bugs, one introduced in the 3.16 xdr
encoding rewrite, the other a decoding bug that I think we've had
since the start but that just doesn't trigger very often"
* 'for-3.16' of git://linux-nfs.org/~bfields/linux:
nfs: fix nfs4d readlink truncated packet
nfsd: fix rare symlink decoding bug
The 'sysret' fastpath does not correctly restore even all regular
registers, much less any segment registers or reflags values. That is
very much part of why it's faster than 'iret'.
Normally that isn't a problem, because the normal ptrace() interface
catches the process using the signal handler infrastructure, which
always returns with an iret.
However, some paths can get caught using ptrace_event() instead of the
signal path, and for those we need to make sure that we aren't going to
return to user space using 'sysret'. Otherwise the modifications that
may have been done to the register set by the tracer wouldn't
necessarily take effect.
Fix it by forcing IRET path by setting TIF_NOTIFY_RESUME from
arch_ptrace_stop_needed() which is invoked from ptrace_stop().
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Andy Lutomirski <luto@amacapital.net>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jan points out that I forgot to make the needed fixes to the
lz4_uncompress_unknownoutputsize() function to mirror the changes done
in lz4_decompress() with regards to potential pointer overflows.
The only in-kernel user of this function is the zram code, which only
takes data from a valid compressed buffer that it made itself, so it's
not a big issue. But due to external kernel modules using this
function, it's better to be safe here.
Reported-by: Jan Beulich <JBeulich@suse.com>
Cc: "Don A. Bailey" <donb@securitymouse.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Without the patch:
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck # cat clk_rate
532000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div # cat clk_rate
532000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div/l4_root_clk_div # cat clk_rate
532000000
With the patch:
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck # cat clk_rate
532000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div # cat clk_rate
266000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div/l4_root_clk_div # cat clk_rate
133000000
The l3 clock derived from core DPLL is actually a divider clock,
with the default divider set to 2. l4 then derived from l3 is a fixed factor
clock, but the fixed divider is 2 and not 1. Which means the l3 clock is
half of core DPLLs h12x2 and l4 is half of l3 (as seen with this patch)
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Commit 8846bab180 introduced a helper that can be used to query the
wire transfer size for a SCSI command taking protection information into
account.
However, some commands do not have a 1:1 mapping between the block range
they work on and the payload size (discard, write same). After the
scatterlist has been set up these requests use __data_len to store the
number of bytes to report completion on. This means that callers of
scsi_transfer_length() would get the wrong byte count for these types of
requests.
To overcome this we make scsi_transfer_length() use the scatterlist
length in the scsi_data_buffer as basis for the wire transfer
calculation instead of __data_len.
Reported-by: Christoph Hellwig <hch@infradead.org>
Debugged-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Fixes: d77e65350f
Cc: stable@vger.kernel.org
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Linus Torvalds
Eric Sandeen
Theodore Ts'o
Dave Airlie
Fabio Estevam
Keith Busch
Sachin Kamat
Santosh Shilimkar
Shawn Guo
Olof Johansson
Maxime Ripard
Dan Carpenter
Amit Daniel Kachhap
Doug Anderson
Jaewon Kim
Abhilash Kesavan
Michal Marek
Marc Zyngier
Steve Capper
Mengdong Lin
Jani Nikula
Tejun Heo
Greg Kroah-Hartman
James Bottomley
Rajendra Nayak
Martin K. Petersen