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!!(x < y) and (x < y) are identical expressions.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Currently UBI silently retries I/O operation in case of errors. This patch
makes it emit a warning before retrying. This should allow users notice issues
earlier.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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UBI (and UBIFS) are a bit over-engineered WRT debugging. The idea was to
link as few as possible when debugging is disabled, but the downside is
that most people produce bug reports which are difficult to understand.
Always dump the VID and EC headers' contents in case of errors when it
is helpful.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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UBI (and UBIFS) are a bit over-engineered WRT debugging. The idea was to
link as few as possible when debugging is disabled, but the downside is
that most people produce bug reports which are difficult to understand.
Always dump the flash contents in case of errors, not only when debugging is
enabled.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
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UBI (and UBIFS) are a bit over-engineered WRT debugging. The idea was to
link as few as possible when debugging is disabled, but the downside is
that most people produce bug reports which are difficult to understand.
This patch weeds out the 'ubi_dbg_dump_stack()' function and turns it
into 'dump_stack()' - it is always useful to have stack dump in case of
an error.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
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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 some tiny drivers/staging/ bugfixes. Some build fixes that
were recently reported, as well as one kfree bug that is hitting a
number of users."
* tag 'staging-3.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: ozwpan: Fix bug where kfree is called twice.
staging: octeon-ethernet: fix build errors by including interrupt.h
staging: zcache: fix Kconfig crypto dependency
staging: tidspbridge: remove usage of OMAP2_L4_IO_ADDRESS
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a number of small USB fixes for 3.4-rc5.
Nothing major, as before, some USB gadget fixes. There's a crash fix
for a number of ASUS laptops on resume that had been reported by a
number of different people. We think the fix might also pertain to
other machines, as this was a BIOS bug, and they seem to travel to
different models and manufacturers quite easily. Other than that,
some other reported problems fixed as well."
* tag 'usb-3.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: udc-core: fix incompatibility with dummy-hcd
usb: gadget: udc-core: fix wrong call order
USB: cdc-wdm: fix race leading leading to memory corruption
USB: EHCI: fix crash during suspend on ASUS computers
usb gadget: uvc: uvc_request_data::length field must be signed
usb: gadget: dummy: do not call pullup() on udc_stop()
usb: musb: davinci.c: add missing unregister
usb: musb: drop __deprecated flag
USB: gadget: storage gadgets send wrong error code for unknown commands
usb: otg: gpio_vbus: Add otg transceiver events and notifiers
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Nothing controversial, just another batch of fixes:
- Samsung/exynos fixes for more merge window fallout: build errors
and warnings mostly, but also some clock/device setup issues on
exynos4/5
- PXA bug and warning fixes related to gpio and pinmux
- IRQ domain conversion bugfixes for U300 and MSM
- A regulator setup fix for U300"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: PXA2xx: MFP: fix potential direction bug
ARM: PXA2xx: MFP: fix bug with MFP_LPM_KEEP_OUTPUT
arm/sa1100: fix sa1100-rtc memory resource
ARM: pxa: fix gpio wakeup setting
ARM: SAMSUNG: add missing MMC_CAP2_BROKEN_VOLTAGE capability
ARM: EXYNOS: Fix compilation error when CONFIG_OF is not defined
ARM: EXYNOS: Fix resource on dev-dwmci.c
ARM: S3C24XX: Fix build warning for S3C2410_PM
ARM: mini2440_defconfig: Fix build error
ARM: msm: Fix gic irqdomain support
ARM: EXYNOS: Fix incorrect initialization of GIC
ARM: EXYNOS: use 'exynos4-sdhci' as device name for sdhci controllers
ARM: u300: bump all IRQ numbers by one
ARM: ux300: Fix unimplementable regulation constraints
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Clearing bit 5 of CACHE_MODE_0 is necessary to prevent GPU hangs in
OpenGL programs such as Google MapsGL, Google Earth, and gzdoom when
using separate stencil buffers. Without it, the GPU tries to use the
LRA eviction policy, which isn't supported. This was supposed to be off
by default, but seems to be on for many machines.
This cannot be done in gen6_init_clock_gating with most of the other
workaround bits; the render ring needs to exist. Otherwise, the
register write gets dropped on the floor (one printk will show it
changed, but a second printk immediately following shows the value
reverts to the old one).
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=47535
Cc: stable@vger.kernel.org
Cc: Rob Castle <futuredub@gmail.com>
Cc: Eric Appleman <erappleman@gmail.com>
Cc: aaron667@gmx.net
Cc: Keith Packard <keithp@keithp.com>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Makes Nutmeg DP to VGA bridges work for me.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=42490
Noticed by Jerome Glisse (after weeks of debugging).
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fixes from Konrad Rzeszutek Wilk:
"Some of these had been in existence since the 2.6.27 days, some since
3.0 - and some due to new features added in v3.4.
The one that is most interesting is David's one - in the low-level
assembler code we had be checking events needlessly. With his patch
now we do it when the appropriate flag is set - with the added benefit
that we can process events faster. Stefano's is fixing a mistake
where the Linux IRQ numbers were ACK-ed instead of the Xen IRQ,
resulting in missing interrupts. The other ones are bootup related
that can show up on various hardware."
- In the low-level assembler code we would jump to check events even if
none were present. This incorrect behavior had been there since
2.6.27 days!
- When using the fast-path for ACK-ing interrupts we were using the
Linux IRQ numbers instead of the Xen ones (and they can differ) and
missing interrupts in process.
- Fix bootup crashes when ACPI hotplug CPUs were present and they would
expand past the set number of CPUs we were allocated.
- Deal with broken BIOSes when uploading C-states to the hypervisor.
- Disable the cpuid check for MWAIT_LEAF if the ACPI PAD driver is
loaded. If the ACPI PAD driver is used it will crash, so lets not
export the functionality so the ACPI PAD driver won't load.
* tag 'stable/for-linus-3.4-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: correctly check for pending events when restoring irq flags
xen/acpi: Workaround broken BIOSes exporting non-existing C-states.
xen/smp: Fix crash when booting with ACPI hotplug CPUs.
xen: use the pirq number to check the pirq_eoi_map
xen/enlighten: Disable MWAIT_LEAF so that acpi-pad won't be loaded.
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Pull misc SPI device driver bug fixes from Grant Likely.
* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6:
spi/spi-bfin5xx: Fix flush of last bit after each spi transfer
spi/spi-bfin5xx: fix reversed if condition in interrupt mode
spi/spi_bfin_sport: drop bits_per_word from client data
spi/bfin_spi: drop bits_per_word from client data
spi/spi-bfin-sport: move word length setup to transfer handler
spi/bfin5xx: rename config macro name for bfin5xx spi controller driver
spi/pl022: Allow request for higher frequency than maximum possible
spi/bcm63xx: set master driver mode_bits.
spi/bcm63xx: don't use the stopping state
spi/bcm63xx: convert to the pump message infrastructure
spi/spi-ep93xx.c: use dma_transfer_direction instead of dma_data_direction
spi: fix spi.h kernel-doc warning
spi/pl022: Fix calculate_effective_freq()
spi/pl022: Fix range checking for bits per word
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon patches from Guenter Roeck:
- Fix build warning in ad7314 driver
- Fix pci_device_id array access in fam15h_power driver, introduced by
commit 00250ec90963 ("hwmon: fam15h_power: fix bogus values with
current BIOSes")
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (fam15h_power) Fix pci_device_id array
hwmon: (ad7314) Fix build warning
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Pull drm fixes from Dave Airlie:
"For your Friday pull request stack, nothing astounding or shattering
this week some exynos, some intel, some radeon fixes. One intel fix
for a regression somwehere back in 2.6.35 land."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/kms: use frac fb div on APUs
drm/radeon: add a missing entry to encoder_names
drm/i915: handle input/output sdvo timings separately in mode_set
drm/i915: fix integer overflow in i915_gem_do_execbuffer()
drm/i915: fix integer overflow in i915_gem_execbuffer2()
drm/exynos: added missed vm area region mapping type.
drm/exynos: fixed exynos_drm_gem_map_pages bug.
drm/exynos: fixed duplicatd memory allocation bug.
drm/i915: fixup load-detect on enabled, but not active pipe
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull build fixes for less mainstream architectures from Paul Gortmaker:
"These are fixes for frv(1), blackfin(2), powerpc(1) and xtensa(4).
Fortunately the touches are nearly all specific to files just used by
the arch in question. The two touches to shared/common files
[kernel/irq/debug.h and drivers/pci/Makefile] are trivial to assess as
no risk to anyone.
Half of them relate to xtensa directly. It was only when I fixed the
last xtensa issue that I realized that the arch has been broken for a
significant time, and isn't a specific v3.4 regression. So if you
wanted, we could leave xtensa lying bleeding in the street for a
couple more weeks and queue those for 3.5. But given they are no risk
to anyone outside of xtensa, I figured to just leave them in.
If you are OK with taking the xtensa fixes, then please pull to get:
- one last implicit include uncovered by system.h that is in a file
specific to just one powerpc defconfig. (I'd sync'd with BenH).
- fix an oversight in the PCI makefile where shared code wasn't being
compiled for ARCH=frv
- fix a missing include for GPIO in blackfin framebuffer.
- audit and tag endif in blackfin ezkit board file, in order to find
and fix the misplaced endif masking a block of code.
- fix irq/debug.h choice of temporary macro names to be more internal
so they don't conflict with names used by xtensa.
- fix a reference to an undeclared local var in xtensa's signal.c
- fix an implicit bug.h usage in xtensa's asm/io.h uncovered by my
removing bug.h from kernel.h
- fix xtensa to properly indicate it is using asm-generic/hardirq.h
in order to resolve the link error - undefined ack_bad_irq
The xtensa still fails final link as my latest binutils does something
evil when ld forward-relocates unlikely() blocks, but in theory people
who have older/valid toolchains could now use the thing."
* 'for-v3.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
xtensa: fix build fail on undefined ack_bad_irq
blackfin: fix ifdef fustercluck in mach-bf538/boards/ezkit.c
blackfin: fix compile error in bfin-lq035q1-fb.c
pci: frv architecture needs generic setup-bus infrastructure
irq: hide debug macros so they don't collide with others.
xtensa: fix build error in xtensa/include/asm/io.h
xtensa: fix build failure in xtensa/kernel/signal.c
powerpc: fix system.h fallout in sysdev/scom.c [chroma_defconfig]
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This patch ensures that the last bit of a transfer gets correctly
flushed out of the register.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This condition is used to determine 8 bits or 16 and 32 bits transfer.
Obviously it is reversed.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Since the member was dropped from the common Blackfin header, we need
to stop using it in the SPORT driver too.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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No other SPI controller has this field, and SPI clients should be setting
this up in their own drivers. So drop it from the Blackfin controller to
keep people from using it.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Each transfer may have its own bits per word.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This controller is only for blackfin 5xx soc, so rename it to BFIN5XX
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Currently, if we request for frequency greater than maximum possible, spi driver
returns error.
For example, if the spi block src frequency is 333/4 MHz, i.e. 83.33.. MHz,
maximum frequency programmable would be src/2. Which would come around 41.6...
It is difficult to pass frequency in these figures. We normally try to program
in round figures, like 42 MHz and it should get programmed to <=
requested_frequency, i.e. 41.6...
For this to happen, we must not return error even if requested freq is higher
than max possible. But should program it to max possible.
Reported-by: Vinit Kamalaksha Shenoy <vinit.shenoy@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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We were not properly advertising the MODE bits supported by this driver, fix
that.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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We do not need to use a flag to indicate if the master driver is stopping
it is sufficient to perform spi master unregistering in the platform
driver's remove function.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This patch converts the bcm63xx SPI driver to use the SPI infrastructure
pump message queue. Since we were previously sleeping in the SPI
driver's transfer() function (which is not allowed) this is now fixed as well.
To complete that conversion a certain number of changes have been made:
- the transfer len is split into multiple hardware transfers in case its
size is bigger than the hardware FIFO size
- the FIFO refill is no longer done in the interrupt context, which was a
bad idea leading to quick interrupt handler re-entrancy
Tested-by: Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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A new enum indicating the dma channel direction was introduced by:
commit 49920bc66984a512f4bcc7735a61642cd0e4d6f2
dmaengine: add new enum dma_transfer_direction
The following commit changed spi-ep93xx to use the new enum:
commit a485df4b4404379786c4bdd258bc528b2617449d
spi, serial: move to dma_transfer_direction
In doing so a sparse warning was introduced:
warning: mixing different enum types
int enum dma_data_direction versus
int enum dma_transfer_direction
This is produced because the 'dir' passed in ep93xx_spi_dma_prepare
is an enum dma_data_direction and is being used to set the
dma_slave_config 'direction' which is now an enum dma_transfer_direction.
Fix this by converting spi-ep93xx to use the new enum type in all
places.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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calculate_effective_freq() was still not optimized and there were cases when it
returned without error and with values of cpsr and scr as zero.
Also, the variable named found is not used well.
This patch targets to optimize and correct this routine. Tested for SPEAr.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Tested-by: Vinit Kamalaksha Shenoy <vinit.shenoy@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
usb: fixes for v3.4-rc cycle
A few more fixes for v3.4-rc cycle.
It includes a couple of fixes to the ordering of the methods in udc-core.c.
Without these two patches, we will have issues when either unregistering a
gadget driver (triggered with dummy_hcd only) or issuing a device-initiated
disconnect through sysfs.
There's also a fix on dummy_hcd to not call ->pullup() from udc_stop() because
udc-core.c already handles that.
A fix to MUSB as promised, to kill the compile warnings regarding deprecated
interfaces. We are essentially dropping the __deprecated flag because it
doesn't look like we will ever be able to live without it when we consider the
amount of silicon issues we find on different MUSB instantiations.
A couple of other fixes are also available, one adding the missing transceiver
events to gpio_vbus and another adding a missing unregister call to MUSB's
davinci glue layer.
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This patch (as1548) fixes a recently-introduced incompatibility
between the UDC core and the dummy-hcd driver. Commit
8ae8090c82eb407267001f75b3d256b3bd4ae691 (usb: gadget: udc-core: fix
asymmetric calls in remove_driver) moved the usb_gadget_udc_stop()
call in usb_gadget_remove_driver() below the usb_gadget_disconnect()
call.
As a result, usb_gadget_disconnect() gets called at a time when the
gadget driver believes it has been unbound but dummy-hcd believes
it has not. A nasty error ensues when dummy-hcd calls the gadget
driver's disconnect method a second time.
To fix the problem, this patch moves the gadget driver's unbind
notification after the usb_gadget_disconnect() call. Now nothing
happens between the two unbind notifications, so nothing goes wrong.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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commit 6d258a4 (usb: gadget: udc-core: stop UDC on device-initiated
disconnect) introduced another case of asymmetric calls when issuing
a device-initiated disconnect. Fix it.
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Seems to be more stable on certain monitors.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=48880
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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An entry for INTERNAL_VCE encoder was missing. Add it.
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
From Daniel Vetter
- VGA load-detect fix. This bug seems to be as old as the load-detect code
(2.6.30), but needs stupid userspace (upowerd trying to detect
connectors on dpms-off outputs) to actually kill the machine. And
obviously a machine without VGA-hotplug, otherwise we don't do load
detect.
- 2 interger overflow fixes for unpriviledged ioctls from Xi Wang.
- Fix SDVO regression for low-res (pixelclock < 100MHz) digital outputs,
introduce in 2.6.36.
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: handle input/output sdvo timings separately in mode_set
drm/i915: fix integer overflow in i915_gem_do_execbuffer()
drm/i915: fix integer overflow in i915_gem_execbuffer2()
drm/i915: fixup load-detect on enabled, but not active pipe
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git://git.infradead.org/users/kmpark/linux-2.6-samsung into drm-fixes
From Inki Dae:
this patch set fixes gem allocation and mapping issue between user space and
physical memory region.
* 'exynos-drm-fixes' of git://git.infradead.org/users/kmpark/linux-2.6-samsung:
drm/exynos: added missed vm area region mapping type.
drm/exynos: fixed exynos_drm_gem_map_pages bug.
drm/exynos: fixed duplicatd memory allocation bug.
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In 3.3, gpio wakeup setting was broken. The call
enable_irq_wake() didn't set up the PXA gpio registers
(PWER, ...) anymore.
Fix it at least for pxa27x. The driver doesn't seem to be
used in pxa25x (weird ...), and the fix doesn't extend to
pxa3xx and pxa95x (which don't have a gpio_set_wake()
available).
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
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We did a similar check for the P-states but did not do it for
the C-states. What we want to do is ignore cases where the DSDT
has definition for sixteen CPUs, but the machine only has eight
CPUs and we get:
xen-acpi-processor: (CX): Hypervisor error (-22) for ACPI CPU14
Reported-by: Tobias Geiger <tobias.geiger@vido.info>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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This patch fixes a race whereby a pointer to a buffer
would be overwritten while the buffer was in use leading
to a double free and a memory leak. This causes crashes.
This bug was introduced in 2.6.34
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Tested-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband fixes from Roland Dreier:
"A few fixes for regressions introduced in 3.4-rc1:
- fix memory leak in mlx4
- fix two problems with new MAD response generation code"
* tag 'ib-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/mlx4: Fix memory leaks in ib_link_query_port()
IB/mad: Don't send response for failed MADs
IB/mad: Set 'D' bit in response for unhandled MADs
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Pull [GIT PULL] slave-dmaengine fixes from Vinod Koul.
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine/amba-pl08x : reset phychan_hold on terminate all
dma: pl330: fix a couple of compilation warnings
dma/ste_dma40: fix erroneous comparison
dma/ste_dma40: explicitly include regulator consumer header
dma40: Improve the logic of stopping logical chan
dmaengine: at_hdmac: remove clear-on-read in atc_dostart()
dma: mxs-dma: enable channel in device_issue_pending call
dmaengine: imx-dma: dont complete descriptor for cyclic dma
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Pull a watchdog fix from Wim Van Sebroeck:
"It will fix the size when reading or writing to WD Timer port 0x72 in
the hpwdt driver."
* git://www.linux-watchdog.org/linux-watchdog:
hpwdt: Only BYTE reads/writes to WD Timer port 0x72
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Merge fixes from Andrew Morton:
"13 fixes. The acerhdf patches aren't (really) fixes. But they've
been stuck in my tree for up to two years, sent to Matthew multiple
times and the developers are unhappy."
* emailed from Andrew Morton <akpm@linux-foundation.org>: (13 patches)
mm: fix NULL ptr dereference in move_pages
mm: fix NULL ptr dereference in migrate_pages
revert "proc: clear_refs: do not clear reserved pages"
drivers/rtc/rtc-ds1307.c: fix BUG shown with lock debugging enabled
arch/arm/mach-ux500/mbox-db5500.c: world-writable sysfs fifo file
hugetlbfs: lockdep annotate root inode properly
acerhdf: lowered default temp fanon/fanoff values
acerhdf: add support for new hardware
acerhdf: add support for Aspire 1410 BIOS v1.3314
fs/buffer.c: remove BUG() in possible but rare condition
mm: fix up the vmscan stat in vmstat
epoll: clear the tfile_check_list on -ELOOP
mm/hugetlb: fix warning in alloc_huge_page/dequeue_huge_page_vma
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In pirq_check_eoi_map use the pirq number rather than the Linux irq
number to check whether an eoi is needed in the pirq_eoi_map.
The reason is that the irq number is not always identical to the
pirq number so if we wrongly use the irq number to check the
pirq_eoi_map we are going to check for the wrong pirq to EOI.
As a consequence some interrupts might not be EOI'ed by the
guest correctly.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Tobias Geiger <tobias.geiger@vido.info>
[v1: Added some extra wording to git commit]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Signed-off-by: Rupesh Gujare <rgujare@ozmodevices.com>
Signed-off-by: Chris Kelly <ckelly@ozmodevices.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This file has an implicit dependency on GPIO stuff, showing
up as the following build failure:
drivers/video/bfin-lq035q1-fb.c:369:6: error: 'GPIOF_OUT_INIT_LOW' undeclared
Other more global bfin build issues prevent an automated bisect, but
it really doesn't matter - simply add in the appropriate header.
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Otherwise we get this link failure for frv's defconfig:
LD .tmp_vmlinux1
drivers/built-in.o: In function `pci_assign_resource':
(.text+0xbf0c): undefined reference to `pci_cardbus_resource_alignment'
drivers/built-in.o: In function `pci_setup':
pci.c:(.init.text+0x174): undefined reference to `pci_realloc_get_opt'
pci.c:(.init.text+0x1a0): undefined reference to `pci_realloc_get_opt'
make[1]: *** [.tmp_vmlinux1] Error 1
Cc: David Howells <dhowells@redhat.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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We seem to have a decent confusion between the output timings and the
input timings of the sdvo encoder. If I understand the code correctly,
we use the original mode unchanged for the output timings, safe for
the lvds case. And we should use the adjusted mode for input timings.
Clarify the situation by adding an explicit output_dtd to the sdvo
mode_set function and streamline the code-flow by moving the input and
output mode setting in the sdvo encode together.
Furthermore testing showed that the sdvo input timing needs the
unadjusted dotclock, the sdvo chip will automatically compute the
required pixel multiplier to get a dotclock above 100 MHz.
Fix this up when converting a drm mode to an sdvo dtd.
This regression was introduced in
commit c74696b9c890074c1e1ee3d7496fc71eb3680ced
Author: Pavel Roskin <proski@gnu.org>
Date: Thu Sep 2 14:46:34 2010 -0400
i915: revert some checks added by commit 32aad86f
particularly the following hunk:
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c
b/drivers/gpu/drm/i915/intel_sdvo.c
index 093e914..62d22ae 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1122,11 +1123,9 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
/* We have tried to get input timing in mode_fixup, and filled into
adjusted_mode */
- if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
- intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
+ intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
+ if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
input_dtd.part2.sdvo_flags = intel_sdvo->sdvo_flags;
- } else
- intel_sdvo_get_dtd_from_mode(&input_dtd, mode);
/* If it's a TV, we already set the output timing in mode_fixup.
* Otherwise, the output timing is equal to the input timing.
Due to questions raised in review, below a more elaborate analysis of
the bug at hand:
Sdvo seems to have two timings, one is the output timing which will be
sent over whatever is connected on the other side of the sdvo chip (panel,
hdmi screen, tv), the other is the input timing which will be generated by
the gmch pipe. It looks like sdvo is expected to scale between the two.
To make things slightly more complicated, we have a bunch of special
cases:
- For lvds panel we always use a fixed output timing, namely
intel_sdvo->sdvo_lvds_fixed_mode, hence that special case.
- Sdvo has an interface to generate a preferred input timing for a given
output timing. This is the confusing thing that I've tried to clear up
with the follow-on patches.
- A special requirement is that the input pixel clock needs to be between
100MHz and 200MHz (likely to keep it within the electromechanical design
range of PCIe), 270MHz on later gen4+. Lower pixel clocks are
doubled/quadrupled.
The thing this patch tries to fix is that the pipe needs to be
explicitly instructed to double/quadruple the pixels and needs the
correspondingly higher pixel clock, whereas the sdvo adaptor seems to
do that itself and needs the unadjusted pixel clock. For the sdvo
encode side we already set the pixel mutliplier with a different
command (0x21).
This patch tries to fix this mess by:
- Keeping the output mode timing in the unadjusted plain mode, safe
for the lvds case.
- Storing the input timing in the adjusted_mode with the adjusted
pixel clock. This way we don't need to frob around with the core
crtc mode set code.
- Fixing up the pixelclock when constructing the sdvo dtd timing
struct. This is why the first hunk of the patch is an integral part
of the series.
- Dropping the is_tv special case because input_dtd is equivalent to
adjusted_mode after these changes. Follow-up patches clear this up
further (by simply ripping out intel_sdvo->input_dtd because it's
not needed).
v2: Extend commit message with an in-depth bug analysis.
Reported-and-Tested-by: Bernard Blackham <b-linuxgit@largestprime.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=48157
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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pci_match_id() takes an *array* of IDs which must be properly zero-
terminated.
Reported-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org # 3.0+: 00250ec hwmon: fam15h_power: fix bogus values
Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
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This patch is to correct the use of the iLO port 0x72 usage.
The port 0x72 is a byte size write/read and hpwdt is currently
writing a WORD.
Signed-off by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from H. Peter Anvin.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x32, siginfo: Provide proper overrides for x32 siginfo_t
asm-generic: Allow overriding clock_t and add attributes to siginfo_t
x32: Check __ILP32__ instead of __LP64__ for x32
x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function from assembler
ACPI: Convert wake_sleep_flags to a value instead of function
x86, apic: APIC code touches invalid MSR on P5 class machines
i387: ptrace breaks the lazy-fpu-restore logic
x86/platform: Remove incorrect error message in x86_default_fixup_cpu_id()
x86, efi: Add dedicated EFI stub entry point
x86/amd: Remove broken links from comment and kernel message
x86, microcode: Ensure that module is only loaded on supported AMD CPUs
x86, microcode: Fix sysfs warning during module unload on unsupported CPUs
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Pull x86 platform driver fixes from Matthew Garrett:
"One annoyance fix (make intel_ips stop complaining unnecessarily) and
one oops fix (unterminated list in dell-laptop). Both have been in
-next for a while with no complaints."
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
dell-laptop: Terminate quirks list properly
intel_ips: Hush the i915 symbols message
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