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perturbations"
This reverts commit 970e178985cadbca660feb02f4d2ee3a09f7fdda.
Nikolay Ulyanitsky reported thatthe 3.6-rc5 kernel has a 15-20%
performance drop on PostgreSQL 9.2 on his machine (running "pgbench").
Borislav Petkov was able to reproduce this, and bisected it to this
commit 970e178985ca ("sched: Improve scalability via 'CPU buddies' ...")
apparently because the new single-idle-buddy model simply doesn't find
idle CPU's to reschedule on aggressively enough.
Mike Galbraith suspects that it is likely due to the user-mode spinlocks
in PostgreSQL not reacting well to preemption, but we don't really know
the details - I'll just revert the commit for now.
There are hopefully other approaches to improve scheduler scalability
without it causing these kinds of downsides.
Reported-by: Nikolay Ulyanitsky <lystor@gmail.com>
Bisected-by: Borislav Petkov <bp@alien8.de>
Acked-by: Mike Galbraith <efault@gmx.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch initialize register map of MUIC device because mfd driver
of Maxim MAX77693 use regmap-muic instance of MUIC device when irqs of
Maxim MAX77693 is initialized before call max77693-muic probe() function.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reported-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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This patch fix bug related to interrupt handling for MAX77693 devices.
- Unmask interrupt masking bit for charger/flash/muic to revolve
that interrupt isn't happened when external connector is attached.
- Fix wrong regmap instance when muic interrupt is happened.
This patch were discussed and confirm discussion about this patch on below url:
http://lkml.org/lkml/2012/7/16/118
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Currently the MFD core supports remapping MFD cell interrupts using an
irqdomain but only if the MFD is being instantiated using device tree
and only if the device tree bindings use the pattern of registering IPs
in the device tree with compatible properties. This will be actively
harmful for drivers which support non-DT platforms and use this pattern
for their DT bindings as it will mean that the core will silently change
remapping behaviour and it is also limiting for drivers which don't do
DT with this particular pattern. There is also a potential fragility if
there are interrupts not associated with MFD cells and all the cells are
omitted from the device tree for some reason.
Instead change the code to take an IRQ domain as an optional argument,
allowing drivers to take the decision about the parent domain for their
interrupts. The one current user of this feature is ab8500-core, it has
the domain lookup pushed out into the driver.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Use kzalloc() rather than kmalloc() for initializing the iio_channel structure.
This patch enables the iio_dev and iio_chan_spec are set to NULL.
This may prevent the page fault problem because the pointer of iio_chan_spec
is initialized as NULL.
The iio_chan_spec is updated only in case that the IIO map has
specific channel label.
When the map has no ADC channel label, then the value of iio_chan_spec
remains as invalid pointer.
To prevent this problem, the pointer should be initialized as NULL.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Currently IIO uses a decimal fixed point representations for real type numbers.
This patch introduces a new representation for rational type numbers. The number
will be expressed by specifying a numerator and denominator. For converting a
raw value to a processed value multiply it by the numerator and divide it by the
denominator.
The reasoning for introducing this new type is that for a lot of devices the
scale can be represented easily by a fractional number, but it is not possible
to represent it as fixed point number without rounding. E.g. for a simple DAC
the scale is often the reference voltage divided by the number of possible
values (Usually 2**n_bits - 1). Each driver currently implements the conversion
of this fraction to a fixed point number on its own.
Also when it comes to the in-kernel interface this allows to directly use the
fractional factors to convert a raw value to a processed value. This should on
one hand require less instructions and on the other hand increase the
precision.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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This commit- 314be14bb renamed the _st_ functions to loose the bit
that was meant for staging version but forgot to change
the documentation which still have _st_ sprinkled in some of the
places.
Signed-off-by: anish kumar <anish198519851985@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The ad7276/ad7277/ad7278 are similar to the ad7476/ad7477/ad7478 but have the
same number of leading zeros as the ad7940. The ad7273/ad7274 have a extra pin
for VREF where as for the ad7276/ad7277/ad7278 VREF is taken from VDD, but
otherwise they are compatible to the ad7276/ad7277.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The AD7940 is a single channel 14 bit ADC similar to the ADCs already supported
by the ad7476 driver, but it does have a different shift factor.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The ad7910/ad7920 are software compatible to the ad7467/ad7466.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The ad7476 driver is a driver for simple single channel ADCs. The driver does
not export any experimental or custom ABI files nor do the static code check
tools report any issues, so move the driver out of staging.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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After the recent cleanups the buffer support is just a single 23 line function.
This does not really justify a file on its own, so move it to the main driver
file. And with only one source file left the header file containing the device
state struct becomes superflousious so move the content of the header
file to the main driver source file as well.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Slightly rework the reference voltage handling for the ad7476 driver. Now the only
way to specify a external reference voltage is to use the regulator API,
previously it was possible to use either platform_data or the regulator API. The
new way is more consistent with what other drivers do.
Also do not ignore errors when requesting the regulator, since this will cope
very poorly with e.g. deferred probing.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for 3.6
A bigger set of updates than I'm entirely comfortable with - things
backed up a bit due to travel. As ever the majority of these are small,
focused updates for specific drivers though there are a couple of core
changes. There's been good exposure in -next.
The AT91 patch fixes a build break.
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Pull GFS2 fixes from Steven Whitehouse:
"Here are three GFS2 fixes for the current kernel tree. These are all
related to the block reservation code which was added at the merge
window. That code will be getting an update at the forthcoming merge
window too. In the mean time though there are a few smaller issues
which should be fixed.
The first patch resolves an issue with write sizes of greater than 32
bits with the size hinting code. The second ensures that the
allocation data structure is initialised when using xattrs and the
third takes into account allocations which may have been made by other
nodes which affect a reservation on the local node."
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-fixes:
GFS2: Take account of blockages when using reserved blocks
GFS2: Fix missing allocation data for set/remove xattr
GFS2: Make write size hinting code common
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Pull x86 platform driver updates from Matthew Garrett:
"A few small updates for 3.6 - a trivial regression fix and a couple of
conformance updates for the gmux driver, plus some tiny fixes for
asus-wmi, eeepc-laptop and thinkpad_acpi."
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
thinkpad_acpi: buffer overflow in fan_get_status()
eeepc-laptop: fix device reference count leakage in eeepc_rfkill_hotplug()
platform/x86: fix asus_laptop.wled_type description
asus-laptop: HRWS/HWRS typo
drivers-platform-x86: remove useless #ifdef CONFIG_ACPI_VIDEO
apple-gmux: Fix port address calculation in gmux_pio_write32()
apple-gmux: Fix index read functions
apple-gmux: Obtain version info from indexed gmux
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git://git.pengutronix.de/git/wsa/linux
Pull i2c embedded fixes from Wolfram Sang:
"The last bunch of (typical) i2c-embedded driver fixes for 3.6.
Also update the MAINTAINERS file to point to my tree since people keep
asking where to find their patches."
* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
i2c: algo: pca: Fix mode selection for PCA9665
MAINTAINERS: fix tree for current i2c-embedded development
i2c: mxs: correctly setup speed for non devicetree
i2c: pnx: Fix read transactions of >= 2 bytes
i2c: pnx: Fix bit definitions
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git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs
Pull ecryptfs fixes from Tyler Hicks:
- Fixes a regression, introduced in 3.6-rc1, when a file is closed
before its shared memory mapping is dirtied and unmapped. The lower
file was being released when the eCryptfs file was closed and the
dirtied pages could not be written out.
- Adds a call to the lower filesystem's ->flush() from
ecryptfs_flush().
- Fixes a regression, introduced in 2.6.39, when a file is renamed on
top of another file. The target file's inode was not being evicted
and the space taken by the file was not reclaimed until eCryptfs was
unmounted.
* tag 'ecryptfs-3.6-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs:
eCryptfs: Copy up attributes of the lower target inode after rename
eCryptfs: Call lower ->flush() from ecryptfs_flush()
eCryptfs: Write out all dirty pages just before releasing the lower file
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git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull one more DMA-mapping fix from Marek Szyprowski:
"This patch fixes very subtle bug (typical off-by-one error) which
might appear in very rare circumstances."
* 'fixes-for-3.6' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
arm: mm: fix DMA pool affiliation check
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Fix word size register read and write operations in ina2xx driver, and
initialize uninitialized structure elements in twl4030-madc-hwmon
driver."
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (ina2xx) Fix word size register read and write operations
hwmon: (twl4030-madc-hwmon) Initialize uninitialized structure elements
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Pull drm fixes from Dave Airlie:
"I realise this a bit bigger than I would want at this point.
Exynos is a large chunk, I got them to half what they wanted already,
and hey its ARM based, so not going to hurt many people.
Radeon has only two fixes, but the PLL fixes were a bit bigger, but
required for a lot of scenarios, the fence fix is really urgent.
vmwgfx: I've pulled in a dumb ioctl support patch that I was going to
shove in later and cc stable, but we need it asap, its mainly to stop
mesa growing a really ugly dependency in userspace to run stuff on
vmware, and if I don't stick it in the kernel now, everyone will have
to ship ugly userspace libs to workaround it.
nouveau: single urgent fix found in F18 testing, causes X to not start
properly when f18 plymouth is used
i915: smattering of fixes and debug quieting
gma500: single regression fix
So as I said a bit large, but its fairly well scattered and its all
stuff I'll be shipping in F18's 3.6 kernel."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (26 commits)
drm/nouveau: fix booting with plymouth + dumb support
drm/radeon: make 64bit fences more robust v3
drm/radeon: rework pll selection (v3)
drm: Drop the NV12M and YUV420M formats
drm/exynos: remove DRM_FORMAT_NV12M from plane module
drm/exynos: fix double call of drm_prime_(init/destroy)_file_private
drm/exynos: add dummy support for dmabuf-mmap
drm/exynos: Add missing braces around sizeof in exynos_mixer.c
drm/exynos: Add missing braces around sizeof in exynos_hdmi.c
drm/exynos: Make g2d_pm_ops static
drm/exynos: Add dependency for G2D in Kconfig
drm/exynos: fixed page align bug.
drm/exynos: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(.. [1]
drm/exynos: Use devm_* functions in exynos_drm_g2d.c file
drm/exynos: Use devm_kzalloc in exynos_drm_hdmi.c file
drm/exynos: Use devm_kzalloc in exynos_drm_vidi.c file
drm/exynos: Remove redundant check in exynos_drm_fimd.c file
drm/exynos: Remove redundant check in exynos_hdmi.c file
vmwgfx: add dumb ioctl support
gma500: Fix regression on Oaktrail devices
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Smaller fixlets"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix kernel-doc warnings in kernel/sched/fair.c
sched: Unthrottle rt runqueues in __disable_runtime()
sched: Add missing call to calc_load_exit_idle()
sched: Fix load avg vs cpu-hotplug
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"This tree includes various fixes"
Ingo really needs to improve on the whole "explain git pull" part.
"Various fixes" indeed.
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/hwpb: Invoke __perf_event_disable() if interrupts are already disabled
perf/x86: Enable Intel Cedarview Atom suppport
perf_event: Switch to internal refcount, fix race with close()
oprofile, s390: Fix uninitialized memory access when writing to oprofilefs
perf/x86: Fix microcode revision check for SNB-PEBS
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull a core sparse warning fix from Ingo Molnar
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mm/memblock: Use NULL instead of 0 for pointers
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This reverts commit 5986802c2fcc754040bb7ed95f30bb16c4a843b7.
Both paths are not error paths but regular cases where non-qgroup
subvols are involved.
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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Pull networking fixes from David Miller:
1) Use after free and new device IDs in bluetooth from Andre Guedes,
Yevgeniy Melnichuk, Gustavo Padovan, and Henrik Rydberg.
2) Fix crashes with short packet lengths and VLAN in pktgen, from
Nishank Trivedi.
3) mISDN calls flush_work_sync() with locks held, fix from Karsten
Keil.
4) Packet scheduler gred parameters are reported to userspace
improperly scaled, and WRED idling is not performed correctly. All
from David Ward.
5) Fix TCP socket refcount problem in ipv6, from Julian Anastasov.
6) ibmveth device has RX queue alignment requirements which are not
being explicitly met resulting in sporadic failures, fix from
Santiago Leon.
7) Netfilter needs to take care when interpreting sockets attached to
socket buffers, they could be time-wait minisockets. Fix from Eric
Dumazet.
8) sock_edemux() has the same issue as netfilter did in #7 above, fix
from Eric Dumazet.
9) Avoid infinite loops in CBQ scheduler with some configurations, from
Eric Dumazet.
10) Deal with "Reflection scan: an Off-Path Attack on TCP", from Jozsef
Kadlecsik.
11) SCTP overcharges socket for TX packets, fix from Thomas Graf.
12) CODEL packet scheduler should not reset it's state every time it
builds a new flow, fix from Eric Dumazet.
13) Fix memory leak in nl80211, from Wei Yongjun.
14) NETROM doesn't check skb_copy_datagram_iovec() return values, from
Alan Cox.
15) l2tp ethernet was using sizeof(ETH_HLEN) instead of plain ETH_HLEN,
oops. From Eric Dumazet.
16) Fix selection of ath9k chips on which PA linearization and AM2PM
predistoration are used, from Felix Fietkau.
17) Flow steering settings in mlx4 driver need to be validated properly,
from Hadar Hen Zion.
18) bnx2x doesn't show the correct link duplex setting, from Yaniv
Rosner.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (75 commits)
pktgen: fix crash with vlan and packet size less than 46
bnx2x: Add missing afex code
bnx2x: fix registers dumped
bnx2x: correct advertisement of pause capabilities
bnx2x: display the correct duplex value
bnx2x: prevent timeouts when using PFC
bnx2x: fix stats copying logic
bnx2x: Avoid sending multiple statistics queries
net: qmi_wwan: call subdriver with control intf only
net_sched: gred: actually perform idling in WRED mode
net_sched: gred: fix qave reporting via netlink
net_sched: gred: eliminate redundant DP prio comparisons
net_sched: gred: correct comment about qavg calculation in RIO mode
mISDN: Fix wrong usage of flush_work_sync while holding locks
netfilter: log: Fix log-level processing
net-sched: sch_cbq: avoid infinite loop
net: qmi_wwan: fix Gobi device probing for un2430
net: fix net/core/sock.c build error
ixp4xx_hss: fix build failure due to missing linux/module.h inclusion
caif: move the dereference below the NULL test
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here are a number of USB patches, a bit more than I normally like this
late in the -rc series, but given people's vacations (myself
included), and the kernel summit, it seems to have happened this way.
All are tiny, but they add up. A number of gadget and xhci fixes, and
a few new device ids. All have been tested in linux-next.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'usb-3.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
usb: chipidea: udc: don't stall endpoint if request list is empty in isr_tr_complete_low
usb: chipidea: cleanup dma_pool if udc_start() fails
usb: chipidea: udc: fix error path in udc_start()
usb: chipidea: udc: add pullup fuction, needed by the uvc gadget
usb: chipidea: udc: fix setup of endpoint maxpacket size
USB: option: replace ZTE K5006-Z entry with vendor class rule
EHCI: Update qTD next pointer in QH overlay region during unlink
USB: cdc-wdm: fix wdm_find_device* return value
USB: ftdi_sio: do not claim CDC ACM function
usb: dwc3: gadget: fix pending isoc handling
usb: renesas_usbhs: fixup DMA transport data alignment
usb: gadget: at91udc: Don't check for ep->ep.desc
usb: gadget: at91udc: don't overwrite driver data
usb: dwc3: core: fix incorrect usage of resource pointer
usb: musb: musbhsdma: fix IRQ check
usb: musb: tusb6010: fix error path in tusb_probe()
usb: musb: host: fix for musb_start_urb Oops
usb: gadget: dummy_hcd: add support for USB_DT_BOS on rh
usb: gadget: dummy_hcd: fixup error probe path
usb: gadget: s3c-hsotg.c: fix error return code
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY fixes from Greg Kroah-Hartman:
"Here are 2 tiny patches for a serial driver to resolve issues that
people have reported with the 3.6-rc tree.
Both of these have been in the linux-next tree for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: imx: don't reinit clock in imx_setup_ufcr()
tty: serial: imx: console write routing is unsafe on SMP
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fixes from Greg Kroah-Hartman:
"Here are a few staging tree fixes for problems that have been
reported.
Nothing major, just a number of tiny driver fixes. All of these have
been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
drm/omap: add more new timings fields
drm/omap: update for interlaced
staging: r8712u: fix bug in r8712_recv_indicatepkt()
staging: zcache: fix cleancache race condition with shrinker
Staging: Android alarm: IOCTL command encoding fix
staging: vt6656: [BUG] - Failed connection, incorrect endian.
staging: ozwpan: fix memcmp() test in oz_set_active_pd()
staging: wlan-ng: Fix problem with wrong arguments
staging: comedi: das08: Correct AO output for das08jr-16-ao
staging: comedi: das08: Correct AI encoding for das08jr-16-ao
staging: comedi: das08: Fix PCI ref count
staging: comedi: amplc_pci230: Fix PCI ref count
staging: comedi: amplc_pc263: Fix PCI ref count
staging: comedi: amplc_pc236: Fix PCI ref count
staging: comedi: amplc_dio200: Fix PCI ref count
staging: comedi: amplc_pci224: Fix PCI ref count
drivers/iio/adc/at91_adc.c: adjust inconsistent IS_ERR and PTR_ERR
staging iio: fix potential memory leak in lis3l02dq_ring.c
staging:iio: prevent divide by zero bugs
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg Kroah-Hartman:
"Here is one fix for 3.6-rc6 for the kobject.h file.
It fixes a reported oops if CONFIG_HOTPLUG is disabled. It's been in
the linux-next tree for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'driver-core-3.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
kobject: fix oops with "input0: bad kobj_uevent_env content in show_uevent()"
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We already use them for openat() and friends, but fstat() also wants to
be able to use O_PATH file descriptors. This should make it more
directly comparable to the O_SEARCH of Solaris.
Note that you could already do the same thing with "fstatat()" and an
empty path, but just doing "fstat()" directly is simpler and faster, so
there is no reason not to just allow it directly.
See also commit 332a2e1244bd, which did the same thing for fchdir, for
the same reasons.
Reported-by: ольга крыжановская <olga.kryzhanovska@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org # O_PATH introduced in 3.0+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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commit a606dac368eed5696fb38e16b1394f1d049c09e9 adds support to link
devices which have _PRx, if a device does not have _PRx, a warning
message will be printed.
This commit is for ZPODD on Intel ZPODD capable platforms, on other
platforms, it has no problem if there is no power resource for this
device, so a warning here is not appropriate, change it to debug.
Reported-by: Borislav Petkov <bp@amd64.org>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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After calling into the lower filesystem to do a rename, the lower target
inode's attributes were not copied up to the eCryptfs target inode. This
resulted in the eCryptfs target inode staying around, rather than being
evicted, because i_nlink was not updated for the eCryptfs inode. This
also meant that eCryptfs didn't do the final iput() on the lower target
inode so it stayed around, as well. This would result in a failure to
free up space occupied by the target file in the rename() operation.
Both target inodes would eventually be evicted when the eCryptfs
filesystem was unmounted.
This patch calls fsstack_copy_attr_all() after the lower filesystem
does its ->rename() so that important inode attributes, such as i_nlink,
are updated at the eCryptfs layer. ecryptfs_evict_inode() is now called
and eCryptfs can drop its final reference on the lower inode.
http://launchpad.net/bugs/561129
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Tested-by: Colin Ian King <colin.king@canonical.com>
Cc: <stable@vger.kernel.org> [2.6.39+]
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Since eCryptfs only calls fput() on the lower file in
ecryptfs_release(), eCryptfs should call the lower filesystem's
->flush() from ecryptfs_flush().
If the lower filesystem implements ->flush(), then eCryptfs should try
to flush out any dirty pages prior to calling the lower ->flush(). If
the lower filesystem does not implement ->flush(), then eCryptfs has no
need to do anything in ecryptfs_flush() since dirty pages are now
written out to the lower filesystem in ecryptfs_release().
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
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Fixes a regression caused by:
821f749 eCryptfs: Revert to a writethrough cache model
That patch reverted some code (specifically, 32001d6f) that was
necessary to properly handle open() -> mmap() -> close() -> dirty pages
-> munmap(), because the lower file could be closed before the dirty
pages are written out.
Rather than reapplying 32001d6f, this approach is a better way of
ensuring that the lower file is still open in order to handle writing
out the dirty pages. It is called from ecryptfs_release(), while we have
a lock on the lower file pointer, just before the lower file gets the
final fput() and we overwrite the pointer.
https://launchpad.net/bugs/1047261
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Reported-by: Artemy Tregubenko <me@arty.name>
Tested-by: Artemy Tregubenko <me@arty.name>
Tested-by: Colin Ian King <colin.king@canonical.com>
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The code currently always selects turbo mode for PCA9665, no matter which
clock frequency is configured. This is because it compares the clock frequency
against constants reflecting (boundary / 100). Compare against real boundary
frequencies to fix the problem.
Signed-off-by: Thomas Kavanagh <tkavanagh@juniper.net>
Signed-off-by: Guenter Roeck <groeck@juniper.net>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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Guide people to where their patches can be found these days.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ben Dooks <ben-linux@fluff.org>
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We noticed a plymouth bug on Fedora 18, and I then
noticed this stupid thinko, fixing it fixed the problem
with plymouth.
Cc: stable@vger.kernel.org
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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commit 6788d7dab6a5 ("Staging: bcm: Use udelay instead of msleep for
delays in nvm.c") replaces msleep with udelay values. udelay values
of more than 1000 should be replaced by mdelay instead.
This fixes following build error.
ERROR: "__bad_udelay" [drivers/staging/bcm/bcm_wimax.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
Cc: Kevin McKinney <klmckinney1@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver reconfigures DRAM size register to 8M (regardless what the
actual size was) once the init has been completed, overwriting the
correct value written during the early init. As a result if the driver
is unloaded and reloaded, the user will be limited to 8M video memory
and may lose some of the available video modes.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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On embedded systems without a BIOS, the DRAM sizing register is 0 after
the boot, and the driver thinks we have only 1 MB video memory. On such
cases, use the PCI window size for the initial size. This information
is needed only to create the I/O mapping - the driver will later detect
and configure the memory size correctly. Limit the size to 16 MB as it
should be sufficient for all supported video modes.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace file I/O of reading firmware usb_boot()
by request_firmware().
Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1. Coding style re-formatting (tabs).
2. Remove unused MIN() marco.
Signed-off-by: Macpaul Lin <macpaul@gmail.com>
Cc: Paul Stewart <pstew@chromium.org>
Cc: Ben Chan <benchan@chromium.org>
Cc: Sage Ahn <syahn@gctsemi.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch converts INT to int in Transmit.c
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch properly formats comments
as reported by checkpatch.pl.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch Remove initialization from
if statement in Transmit.c as reported
by checkpatch.pl.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch cuddles braces as reported
by checkpatch.pl.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes all white space issues
as reported by checkpatch.pl.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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