We need/want the mei fixes in here so we can apply other updates that
are depending on them.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are some serial at tty driver fixes for 3.12-rc3
The serial driver fixes some kref leaks, documentation is moved to the proper
places, and the tty and n_tty fixes resolve some reported regressions. There
is still one outstanding tty regression fix that isn't in here yet, as I want
to test it out some more, it will be sent for 3.12-rc4 if it checks out.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some serial at tty driver fixes for 3.12-rc3
The serial driver fixes some kref leaks, documentation is moved to the
proper places, and the tty and n_tty fixes resolve some reported
regressions. There is still one outstanding tty regression fix that
isn't in here yet, as I want to test it out some more, it will be sent
for 3.12-rc4 if it checks out"
* tag 'tty-3.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: ar933x_uart: move devicetree binding documentation
tty: Fix SIGTTOU not sent with tcflush()
n_tty: Fix EOF push index when termios changes
serial: pch_uart: remove unnecessary tty_port_tty_get
serial: pch_uart: fix tty-kref leak in dma-rx path
serial: pch_uart: fix tty-kref leak in rx-error path
serial: tegra: fix tty-kref leak
The advent of multi-cluster ARM systems requires a mechanism to describe
how in hierarchical terms CPUs are connected in ARM SoCs so that the kernel
can initialize and map resources like IRQs and memory space to specific
group(s) of CPUs.
The CPU topology is made up of multiple hierarchy levels whose bottom
layers (aka leaf nodes in device tree syntax) contain links to the HW
CPUs in the system.
The topology bindings are generic for both 32-bit and 64-bit systems and
lay the groundwork on top of which affinity schemes can be built.
This patch provides the documentation in the kernel required to define the
device tree bindings describing the CPU topology for ARM 32-bit and 64-bit
systems.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
In order to extend the current cpu nodes bindings to newer CPUs
inclusive of AArch64 and to update support for older ARM CPUs this
patch updates device tree documentation for the cpu nodes bindings.
Main changes:
- adds 64-bit bindings
- define usage of #address-cells
- defines behaviour on pre and post v7 uniprocessor systems
- adds ARM 11MPcore specific reg property definition
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Clean-up to fix some warnings for !OF builds and spelling fixes in docs
- Clean-up openrisc prom.h
- Fix warnings caused by of_irq.h ifdefs
- Spelling fix for Synopsys
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Merge tag 'devicetree-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
"Clean-up to fix some warnings for !OF builds and spelling fixes in
docs:
- Clean-up openrisc prom.h
- Fix warnings caused by of_irq.h ifdefs
- Spelling fix for Synopsys"
* tag 'devicetree-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dts: Fix misspelling of Synopsys
of: clean-up ifdefs in of_irq.h
openrisc: clean-up prom.h
Updated the usb_otg_hs dt data to include the *phy* and *phy-names*
binding in order for the driver to use the new generic PHY framework.
Also updated the Documentation to include the binding information.
The PHY binding information can be found at
Documentation/devicetree/bindings/phy/phy-bindings.txt
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The PHY framework provides a set of APIs for the PHY drivers to
create/destroy a PHY and APIs for the PHY users to obtain a reference to the
PHY with or without using phandle. For dt-boot, the PHY drivers should
also register *PHY provider* with the framework.
PHY drivers should create the PHY by passing id and ops like init, exit,
power_on and power_off. This framework is also pm runtime enabled.
The documentation for the generic PHY framework is added in
Documentation/phy.txt and the documentation for dt binding can be found at
Documentation/devicetree/bindings/phy/phy-bindings.txt
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Provide the ability to enable and disable fscache cookies. A disabled cookie
will reject or ignore further requests to:
Acquire a child cookie
Invalidate and update backing objects
Check the consistency of a backing object
Allocate storage for backing page
Read backing pages
Write to backing pages
but still allows:
Checks/waits on the completion of already in-progress objects
Uncaching of pages
Relinquishment of cookies
Two new operations are provided:
(1) Disable a cookie:
void fscache_disable_cookie(struct fscache_cookie *cookie,
bool invalidate);
If the cookie is not already disabled, this locks the cookie against other
dis/enablement ops, marks the cookie as being disabled, discards or
invalidates any backing objects and waits for cessation of activity on any
associated object.
This is a wrapper around a chunk split out of fscache_relinquish_cookie(),
but it reinitialises the cookie such that it can be reenabled.
All possible failures are handled internally. The caller should consider
calling fscache_uncache_all_inode_pages() afterwards to make sure all page
markings are cleared up.
(2) Enable a cookie:
void fscache_enable_cookie(struct fscache_cookie *cookie,
bool (*can_enable)(void *data),
void *data)
If the cookie is not already enabled, this locks the cookie against other
dis/enablement ops, invokes can_enable() and, if the cookie is not an
index cookie, will begin the procedure of acquiring backing objects.
The optional can_enable() function is passed the data argument and returns
a ruling as to whether or not enablement should actually be permitted to
begin.
All possible failures are handled internally. The cookie will only be
marked as enabled if provisional backing objects are allocated.
A later patch will introduce these to NFS. Cookie enablement during nfs_open()
is then contingent on i_writecount <= 0. can_enable() checks for a race
between open(O_RDONLY) and open(O_WRONLY/O_RDWR). This simplifies NFS's cookie
handling and allows us to get rid of open(O_RDONLY) accidentally introducing
caching to an inode that's open for writing already.
One operation has its API modified:
(3) Acquire a cookie.
struct fscache_cookie *fscache_acquire_cookie(
struct fscache_cookie *parent,
const struct fscache_cookie_def *def,
void *netfs_data,
bool enable);
This now has an additional argument that indicates whether the requested
cookie should be enabled by default. It doesn't need the can_enable()
function because the caller must prevent multiple calls for the same netfs
object and it doesn't need to take the enablement lock because no one else
can get at the cookie before this returns.
Signed-off-by: David Howells <dhowells@redhat.com
Nothing too serious here: a couple of compress-offload core fixes,
Haswell HDMI audio fix, a fixup for new MacBook Airs and a few COEF
setups for ALC283 mic problems.
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Merge tag 'sound-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Nothing too serious here: a couple of compress-offload core fixes,
Haswell HDMI audio fix, a fixup for new MacBook Airs and a few COEF
setups for ALC283 mic problems"
* tag 'sound-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Enable internal mic on a Thinkpad machine with ALC283
ALSA: hda - Fix Internal Mic boost can't control with ALC283
ALSA: hda - Add documentation for CS4208 fixups
ALSA: hda - Add fixup for MacBook Air 6,1 and 6,2 with CS4208 codec
ALSA : hda - not use assigned converters for all unused pins
ALSA: compress: Make sure we trigger STOP before closing the stream.
ALSA: compress: Fix compress device unregister.
Add missing "atmel,at91sam9x5-pinctrl" compatible string to the
documentation.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patchset modify extcon core to remove unnecessary allocation sequence for
'dev' instance and change extcon_dev_register() interface. extcon-gpio use
gpiolib API to get debounce time and include small fix of extcon core/device
driver.
Detailed description for patchset:
1. Modify extcon core driver
- The extcon-gpio driver use gpio_set_debounce() API provided from gpiolib
if gpio driver for SoC support gpio_set_debounce() function and support 'gpio_
activ_low' filed to check whether gpio active state is 1(high) or 0(low).
- Change field type of 'dev' in structure extcon_dev and remove the sequence
of allocating memory of 'struct dev' on extcon_dev_register() function because
extcon device must need 'struct device.
- Change extcon_dev_register() prototype to simplify it and remove unnecessary
parameter as below:
2. Fix coding style and typo
- extcon core : Fix indentation coding style and remove unnecessary casting
- extcon-max8997 : Fix checkpatch warning
- extcon-max77693 : Fix checkpatch warning
- extcon-arizona : Fix typo of comment and modify minor issue
- extcon-palmas : Use dev_get_platdata()
3. Modify extcon-arizona driver
- Modify minor issue about micbias and comparision statement
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Merge tag 'extcon-next-for-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Update extcon for 3.13
This patchset modify extcon core to remove unnecessary allocation sequence for
'dev' instance and change extcon_dev_register() interface. extcon-gpio use
gpiolib API to get debounce time and include small fix of extcon core/device
driver.
Detailed description for patchset:
1. Modify extcon core driver
- The extcon-gpio driver use gpio_set_debounce() API provided from gpiolib
if gpio driver for SoC support gpio_set_debounce() function and support 'gpio_
activ_low' filed to check whether gpio active state is 1(high) or 0(low).
- Change field type of 'dev' in structure extcon_dev and remove the sequence
of allocating memory of 'struct dev' on extcon_dev_register() function because
extcon device must need 'struct device.
- Change extcon_dev_register() prototype to simplify it and remove unnecessary
parameter as below:
2. Fix coding style and typo
- extcon core : Fix indentation coding style and remove unnecessary casting
- extcon-max8997 : Fix checkpatch warning
- extcon-max77693 : Fix checkpatch warning
- extcon-arizona : Fix typo of comment and modify minor issue
- extcon-palmas : Use dev_get_platdata()
3. Modify extcon-arizona driver
- Modify minor issue about micbias and comparision statement
This patch remove extcon_dev_register()'s second parameter which means
the pointer of parent device to simplify prototype of this function.
So, if extcon device has the parent device, it should set the pointer of
parent device to edev.dev.parent in extcon device driver instead of in
extcon_dev_register().
Cc: Graeme Gregory <gg@slimlogic.co.uk>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
This patch introduces a sample user space daemon which
implements the virtio device backends on the host. The daemon
creates/removes/configures virtio device backends by communicating with
the Intel MIC Host Driver. The virtio devices currently supported are
virtio net, virtio console and virtio block. Virtio net supports TSO/GSO.
The daemon also monitors card shutdown status and takes appropriate actions
like killing the virtio backends and resetting the card upon card shutdown
and crashes.
Co-author: Ashutosh Dixit <ashutosh.dixit@intel.com>
Co-author: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Caz Yokoyama <Caz.Yokoyama@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Nikhil Rao <nikhil.rao@intel.com>
Signed-off-by: Harshavardhan R Kharche <harshavardhan.r.kharche@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Acked-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch enables the following features:
a) Boots and shuts down the card via sysfs entries.
b) Allocates and maps a device page for communication with the
card driver and updates the device page address via scratchpad
registers.
c) Provides sysfs entries for shutdown status, kernel command line,
ramdisk and log buffer information.
Co-author: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Caz Yokoyama <Caz.Yokoyama@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Harshavardhan R Kharche <harshavardhan.r.kharche@intel.com>
Signed-off-by: Nikhil Rao <nikhil.rao@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Acked-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch enables the following:
a) Initializes the Intel MIC X100 PCIe devices.
b) Provides sysfs entries for family and stepping information.
Co-author: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Caz Yokoyama <Caz.Yokoyama@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Harshavardhan R Kharche <harshavardhan.r.kharche@intel.com>
Signed-off-by: Nikhil Rao <nikhil.rao@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Acked-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Allwinner has electric fuses (efuse) on their line of chips. This driver
reads those fuses, seeds the kernel entropy and exports them as a sysfs
node.
These fuses are most likely to be programmed at the factory, encoding
things like Chip ID, some sort of serial number, etc. and appear to be
reasonably unique.
While in theory, these should be writeable by the user, it will probably
be inconvenient to do so. Allwinner recommends that a certain input pin,
labeled 'efuse_vddq', be connected to GND. To write these fuses however,
a 2.5 V programming voltage needs to be applied to this pin.
Even so, they can still be used to generate a board-unique mac from,
board unique RSA key and seed the kernel RNG.
On sun7i additional storage is available, this is initially used for an
UEFI BOOT key, Secure JTAG key, HDMI-HDCP key and vendor specific keys.
Currently supported are the following known chips:
Allwinner sun4i (A10)
Allwinner sun5i (A10s, A13)
Allwinner sun7i (A20)
Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 'tty: ar933x_uart: add device tree support
and binding documentation' introduced a new doc in
bindins/tty/serial.
According to a recent thread [1] on the linux-serial
list, the binding documentation of serial drivers
should be added into bindings/serial.
Move the documentation of qca,ar9330-uart to the
correct place.
1. http://marc.info/?l=linux-serial&m=137771295411517
Cc: devicetree@vger.kernel.org
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The DCD pin of the serial port can receive a PPS signal. By calling
the port line discipline dcd handle, this patch allow to monitor PPS
through USB serial devices.
However the performance aren't as good as the uart drivers, so
document this point too.
Signed-off-by: Paul Chavent <paul.chavent@onera.fr>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Only matching is done via DT, no other details can be passed.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds basic Device Tree support to the da9210 regulator driver -
with no special properties, since also driver's platform data only contains
standard regulator initialisation parameters.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The "mentor,musb" binding isn't documented so I was about
to document it.
The node is missing a few properties for configuration like
"multipoint", "dyn_fifo", "num_eps" or "ram_bits". However
I am not sure "missing" is the right word here because some
of those informations might be obtained from the chip itself
but it is not done (yet).
Further the ePARP 2.3.1 says the matching goes from left to
right taking the fist match. Right now there is jus a driver
for "stericsson,db8500-musb" and none for "mentor,musb".
I'm not 100% that it is simply possible to have a generic
since even for DMA we have ifdefs in the driver between
"generic mentor dma" and "ux500 dma" and I mean within musb
and not the dma code.
For that reason (that I am not sure a generic musb binding
is possible and how its binding / required properties will
look like) and the reason that we have here a minor binding
without a driver to look at I suggest to remove that binding.
If the majority of people prefer to keep this binding I'm
curious how the documentation of the binding should look like.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Remove the list of possible pin configurations from the documentation
file and create header files containing those definitions.
This eliminates the need for error-prone manual lookup of those values
in the documentation and guarantees consistency between the human
readable representation of the pad function in the .dts file and the
actual binary value used in DT.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
- add device tree infrastructure for s3c64xx
- add DT SoC file for s3c64xx
- add DT board file for FriendlyARM Mini6410 board
- add DT board file for SAMSUNG SMDK6410
Based on Common Clk Framework for S3C64XX
- this branch is on top of v3.13-next/common-clk-s3c64xx
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Merge tag 'samsung-dt-s3c64xx' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:
Add device tree support for S3C64XX
- add device tree infrastructure for s3c64xx
- add DT SoC file for s3c64xx
- add DT board file for FriendlyARM Mini6410 board
- add DT board file for SAMSUNG SMDK6410
Based on Common Clk Framework for S3C64XX
* tag 'samsung-dt-s3c64xx' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: Add dts file for S3C6410-based SMDK6410 board
ARM: dts: Add dts file for S3C6410-based Mini6410 board
ARM: dts: Add basic dts include files for Samsung S3C64xx SoCs
ARM: S3C64XX: Add board file for boot using Device Tree
gpio: samsung: Skip initialization if device tree is present
ARM: S3C64XX: Bypass legacy initialization when booting with DT
irqchip: vic: Parse interrupt and resume masks from device tree
ARM: S3C64XX: Remove old clock management code
ARM: S3C64XX: Migrate clock handling to Common Clock Framework
usb: ohci-s3c2410.c: Use clk_prepare_enable/clk_disable_unprepare
ARM: S3C64XX: Use clk_prepare_enable/clk_disable_unprepare in dma.c
ARM: SAMSUNG: Add soc_is_s3c6400/s3c6410 macros
Signed-off-by: Olof Johansson <olof@lixom.net>
- Fix PV spinlocks triggering jump_label code bug
- Remove extraneous code in the tpm front driver
- Fix ballooning out of pages when non-preemptible
- Fix deadlock when using a 32-bit initial domain with large amount of memory.
- Add xen_nopvpsin parameter to the documentation
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Merge tag 'stable/for-linus-3.12-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen fixes from Konrad Rzeszutek Wilk:
"Bug-fixes and one update to the kernel-paramters.txt documentation.
- Fix PV spinlocks triggering jump_label code bug
- Remove extraneous code in the tpm front driver
- Fix ballooning out of pages when non-preemptible
- Fix deadlock when using a 32-bit initial domain with large amount
of memory
- Add xen_nopvpsin parameter to the documentation"
* tag 'stable/for-linus-3.12-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/spinlock: Document the xen_nopvspin parameter.
xen/p2m: check MFN is in range before using the m2p table
xen/balloon: don't alloc page while non-preemptible
xen: Do not enable spinlocks before jump_label_init() has executed
tpm: xen-tpmfront: Remove the locality sysfs attribute
tpm: xen-tpmfront: Fix default durations
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
[ paulmck: Add "then" as suggested by Josh Triplett. ]
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This resolves the merge problem with two iio drivers that Stephen
Rothwell pointed out.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Which disables in the ticketlock slowpath the Xen PV optimization's.
Useful for diagnosing issues and comparing benchmarks in
over-commit CPU scenarios.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Move efi-stub.txt out of x86 directory and into common directory
in preparation for adding ARM EFI stub support.
Signed-off-by: Roy Franz <roy.franz@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Add DT bindings for the pcf857x-compatible chips and parse the device
tree node in the driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add documentation describing DPCM with examples of a DSP based
smart phone.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Update the machine driver documentation and bring it up to date
with the current code base. This includes multi component.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Update the DAPM documentation and bring it up to date with the current
code base. This includes API changes and new widgets.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Update the platform class driver documentation and bring it up to date
with the current code base. This includes multi component and DSP.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Update the codec class driver documentation and bring it up to date
with the current code base. This includes API changes, regmap and
multi component.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
A number of new drivers and some new functionality + a lot of cleanups
all over IIO.
New Core Elements
1) New INT_TIME info_mask element for integration time, which may have
different effects on measurement noise and similar, than an amplifier
and hence is different from existing SCALE. Already existed in some
drivers as a custom attribute.
2) Introduce a iio_push_buffers_with_timestamp helper to cover the common
case of filling the last 64 bits of data to be passed to the buffer with
a timestamp. Applied to lots of drivers. Cuts down on repeated code and
moves a slightly fiddly bit of logic into a single location.
3) Introduce info_mask_[shared_by_dir/shared_by_all] elements to allow support
of elements such as sampling_frequency which is typically shared by all
input channels on a device. This reduces code and makes these controls
available from in kernel consumers of IIO devices.
New drivers
1) MCP3422/3/4 ADC
2) TSL4531 ambient light sensor
3) TCS3472/5 color light sensor
4) GP2AP020A00F ambient light / proximity sensor
5) LPS001WP support added to ST pressure sensor driver.
New driver functionality
1) ti_am335x_adc Add buffered sampling support.
This device has a hardware fifo that is fed directly into an IIO kfifo
buffer based on a watershed interrupt. Note this will act as an example
of how to handle this increasingly common type of device.
The only previous example - sca3000 - take a less than optimal approach
which is largely why it is still in staging.
A couple of little cleanups for that new functionality followed later.
Core cleanups:
1) MAINTAINERS - Sachin actually brought my email address up to date because
I said I'd do it and never got around to it :)
2) Assign buffer list elements as single element lists to simplify the
iio_buffer_is_active logic.
3) wake_up_interruptible_poll instead of wake_up_interruptible to only wake
up threads waiting for poll notifications.
4) Add O_CLOEXEC flag to anon_inode_get_fd call for IIO event interface.
5) Change iio_push_to_buffers to take a void * pointer so as to avoid some
annoying and unnecessary type casts.
6) iio_compute_scan_bytes incorrectly took a long rather than unsigned long.
7) Various minor tidy ups.
Driver cleanups (in no particular order)
1) Another set of devm_ allocations patches from Sachin Kamat.
2) tsl2x7x - 0 to NULL cleanup.
3) hmc5843 - fix missing > in MODULE_AUTHOR
4) Set of strict_strto* to kstrto* conversions.
5) mxs-lradc - fix ordering of resource removal to match creation
6) mxs-lradc - add MODULE_ALIAS
7) adc7606 - drop a work pending test duplicated in core functions.
8) hmc5843 - devm_ allocation patch
9) Series of redundant breaks removed.
10) ad2s1200 - pr_err -> dev_err
11) adjd_s311 - use INT_TIME
12) ST sensors - large set of cleanups from Lee Jones and removed restriction
to using only triggers provided by the st_sensors themselves from
Dennis Ciocca.
13) dummy and tmp006 provide sampling_frequency via info_mask_shared_by_all.
14) tcs3472 - fix incorrect buffer size and wrong device pointer used in
suspend / resume functions.
15) max1363 - use defaults for buffer setup ops as provided by the triggered
buffer helpers as they are the same as were specified in max1363 driver.
16) Trivial tidy ups in a number of other drivers.
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Merge tag 'iio-for-3.13a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First round of new drivers, functionality and cleanups for IIO in the 3.13 cycle
A number of new drivers and some new functionality + a lot of cleanups
all over IIO.
New Core Elements
1) New INT_TIME info_mask element for integration time, which may have
different effects on measurement noise and similar, than an amplifier
and hence is different from existing SCALE. Already existed in some
drivers as a custom attribute.
2) Introduce a iio_push_buffers_with_timestamp helper to cover the common
case of filling the last 64 bits of data to be passed to the buffer with
a timestamp. Applied to lots of drivers. Cuts down on repeated code and
moves a slightly fiddly bit of logic into a single location.
3) Introduce info_mask_[shared_by_dir/shared_by_all] elements to allow support
of elements such as sampling_frequency which is typically shared by all
input channels on a device. This reduces code and makes these controls
available from in kernel consumers of IIO devices.
New drivers
1) MCP3422/3/4 ADC
2) TSL4531 ambient light sensor
3) TCS3472/5 color light sensor
4) GP2AP020A00F ambient light / proximity sensor
5) LPS001WP support added to ST pressure sensor driver.
New driver functionality
1) ti_am335x_adc Add buffered sampling support.
This device has a hardware fifo that is fed directly into an IIO kfifo
buffer based on a watershed interrupt. Note this will act as an example
of how to handle this increasingly common type of device.
The only previous example - sca3000 - take a less than optimal approach
which is largely why it is still in staging.
A couple of little cleanups for that new functionality followed later.
Core cleanups:
1) MAINTAINERS - Sachin actually brought my email address up to date because
I said I'd do it and never got around to it :)
2) Assign buffer list elements as single element lists to simplify the
iio_buffer_is_active logic.
3) wake_up_interruptible_poll instead of wake_up_interruptible to only wake
up threads waiting for poll notifications.
4) Add O_CLOEXEC flag to anon_inode_get_fd call for IIO event interface.
5) Change iio_push_to_buffers to take a void * pointer so as to avoid some
annoying and unnecessary type casts.
6) iio_compute_scan_bytes incorrectly took a long rather than unsigned long.
7) Various minor tidy ups.
Driver cleanups (in no particular order)
1) Another set of devm_ allocations patches from Sachin Kamat.
2) tsl2x7x - 0 to NULL cleanup.
3) hmc5843 - fix missing > in MODULE_AUTHOR
4) Set of strict_strto* to kstrto* conversions.
5) mxs-lradc - fix ordering of resource removal to match creation
6) mxs-lradc - add MODULE_ALIAS
7) adc7606 - drop a work pending test duplicated in core functions.
8) hmc5843 - devm_ allocation patch
9) Series of redundant breaks removed.
10) ad2s1200 - pr_err -> dev_err
11) adjd_s311 - use INT_TIME
12) ST sensors - large set of cleanups from Lee Jones and removed restriction
to using only triggers provided by the st_sensors themselves from
Dennis Ciocca.
13) dummy and tmp006 provide sampling_frequency via info_mask_shared_by_all.
14) tcs3472 - fix incorrect buffer size and wrong device pointer used in
suspend / resume functions.
15) max1363 - use defaults for buffer setup ops as provided by the triggered
buffer helpers as they are the same as were specified in max1363 driver.
16) Trivial tidy ups in a number of other drivers.
Currently DT compatibility strings of both types can be found in the kernel
sources: <unit>-<soc> and <soc>-<unit>, whereas a unique format should be
followed and the former one is preferred. This patch converts the SDHI
MMC driver and its users to the common standard. This is safe for now, since
ATM no real products are using this driver with DT.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Chris Ball <cjb@laptop.org>
[Removed r8a7740.dtsi portion as it is not applicable]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Add the GPIO driver for the Broadcom bcm281xx family of mobile SoCs.
These GPIO controllers may contain up to 8 banks where each bank
includes 32 pins that can be driven high or low and act as an edge
sensitive interrupt.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Christian Daudt <csd@broadcom.com>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
[Added depends on OF_GPIO]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The AMS AS3722 is a compact system PMU suitable for mobile phones,
tablets etc. It has 4 DCDC step down regulators, 3 DCDC step down
controller, 11 LDOs.
Add a driver to support accessing the DCDC/LDOs found on the AMS
AS3722 PMIC using regulators.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Florian Lobmaier <florian.lobmaier@ams.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
- Documentation clarification on tagged pointers
- hwcap widened to 64-bit (user space already reading it as 64-bit)
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Merge tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull ARM64 fixes from Catalin Marinas:
- Compat register fault reporting fix
- Documentation clarification on tagged pointers
- hwcap widened to 64-bit (user space already reading it as 64-bit)
* tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: Widen hwcap to be 64 bit
arm64: Correctly report LR and SP for compat tasks
arm64: documentation: tighten up tagged pointer documentation
arm64: Make do_bad_area() function static
Commit d50240a5f6 ("arm64: mm: permit use of tagged pointers at EL0")
added support for tagged pointers in userspace, but the corresponding
update to Documentation/ contained some imprecise statements.
This patch fixes up some minor ambiguities in the text, hopefully making
it more clear about exactly what the kernel expects from user virtual
addresses.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Pull networking fixes from David Miller:
1) If the local_df boolean is set on an SKB we have to allocate a
unique ID even if IP_DF is set in the ipv4 headers, from Ansis
Atteka.
2) Some fixups for the new chipset support that went into the sfc
driver, from Ben Hutchings.
3) Because SCTP bypasses a good chunk of, and actually duplicates, the
logic of the ipv6 output path, some IPSEC things don't get done
properly. Integrate SCTP better into the ipv6 output path so that
these problems are fixed and such issues don't get missed in the
future either. From Daniel Borkmann.
4) Fix skge regressions added by the DMA mapping error return checking
added in v3.10, from Mikulas Patocka.
5) Kill some more IRQF_DISABLED references, from Michael Opdenacker.
6) Fix races and deadlocks in the bridging code, from Hong Zhiguo.
7) Fix error handling in tun_set_iff(), in particular don't leak
resources. From Jason Wang.
8) Prevent format-string injection into xen-netback driver, from Kees
Cook.
9) Fix regression added to netpoll ARP packet handling, in particular
check for the right ETH_P_ARP protocol code. From Sonic Zhang.
10) Try to deal with AMD IOMMU errors when using r8169 chips, from
Francois Romieu.
11) Cure freezes due to recent changes in the rt2x00 wireless driver,
from Stanislaw Gruszka.
12) Don't do SPI transfers (which can sleep) in interrupt context in
cw1200 driver, from Solomon Peachy.
13) Fix LEDs handling bug in 5720 tg3 chips already handled for 5719.
From Nithin Sujir.
14) Make xen_netbk_count_skb_slots() count the actual number of slots
that will be used, taking into consideration packing and other
issues that the transmit path will run into. From David Vrabel.
15) Use the correct maximum age when calculating the bridge
message_age_timer, from Chris Healy.
16) Get rid of memory leaks in mcs7780 IRDA driver, from Alexey
Khoroshilov.
17) Netfilter conntrack extensions were converted to RCU but are not
always freed properly using kfree_rcu(). Fix from Michal Kubecek.
18) VF reset recovery not being done correctly in qlcnic driver, from
Manish Chopra.
19) Fix inverted test in ATM nicstar driver, from Andy Shevchenko.
20) Missing workqueue destroy in cxgb4 error handling, from Wei Yang.
21) Internal switch not initialized properly in bgmac driver, from Rafał
Miłecki.
22) Netlink messages report wrong local and remote addresses in IPv6
tunneling, from Ding Zhi.
23) ICMP redirects should not generate socket errors in DCCP and SCTP.
We're still working out how this should be handled for RAW and UDP
sockets. From Daniel Borkmann and Duan Jiong.
24) We've had several bugs wherein the network namespace's loopback
device gets accessed after it is free'd, NULL it out so that we can
catch these problems more readily. From Eric W Biederman.
25) Fix regression in TCP RTO calculations, from Neal Cardwell.
26) Fix too early free of xen-netback network device when VIFs still
exist. From Paul Durrant.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
netconsole: fix a deadlock with rtnl and netconsole's mutex
netpoll: fix NULL pointer dereference in netpoll_cleanup
skge: fix broken driver
ip: generate unique IP identificator if local fragmentation is allowed
ip: use ip_hdr() in __ip_make_skb() to retrieve IP header
xen-netback: Don't destroy the netdev until the vif is shut down
net:dccp: do not report ICMP redirects to user space
cnic: Fix crash in cnic_bnx2x_service_kcq()
bnx2x, cnic, bnx2i, bnx2fc: Fix bnx2i and bnx2fc regressions.
vxlan: Avoid creating fdb entry with NULL destination
tcp: fix RTO calculated from cached RTT
drivers: net: phy: cicada.c: clears warning Use #include <linux/io.h> instead of <asm/io.h>
net loopback: Set loopback_dev to NULL when freed
batman-adv: set the TAG flag for the vid passed to BLA
netfilter: nfnetlink_queue: use network skb for sequence adjustment
net: sctp: rfc4443: do not report ICMP redirects to user space
net: usb: cdc_ether: use usb.h macros whenever possible
net: usb: cdc_ether: fix checkpatch errors and warnings
net: usb: cdc_ether: Use wwan interface for Telit modules
ip6_tunnels: raddr and laddr are inverted in nl msg
...
Pull vfs fixes from Al Viro:
"atomic_open-related fixes (Miklos' series, with EEXIST-related parts
replaced with fix in fs/namei.c:atomic_open() instead of messing with
the instances) + race fix in autofs + leak on failure exit in 9p"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
9p: don't forget to destroy inode cache if fscache registration fails
atomic_open: take care of EEXIST in no-open case with O_CREAT|O_EXCL in fs/namei.c
vfs: don't set FILE_CREATED before calling ->atomic_open()
nfs: set FILE_CREATED
gfs2: set FILE_CREATED
cifs: fix filp leak in cifs_atomic_open()
vfs: improve i_op->atomic_open() documentation
autofs4: close the races around autofs4_notify_daemon()
Pull scheduler fixes from Ingo Molnar:
"Misc fixes"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix comment for sched_info_depart
sched/Documentation: Update sched-design-CFS.txt documentation
sched/debug: Take PID namespace into account
sched/fair: Fix small race where child->se.parent,cfs_rq might point to invalid ones
The turn-on time of the regulator depends on the regulator device's
electrical characteristics. Sometimes regulator turn-on time also
depends on the capacitive load on the given platform and it can be
more than the datasheet value.
The driver provides the enable-time as per datasheet.
Add support for configure the enable ramp time through regulator
constraints so that regulator core can take this value for enable
time for that regulator.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The CCI PMU can profile bus transactions at the master and slave
interfaces of the CCI. The PMU can be used to observe an aggregated
view of the bus traffic between the various components connected to the
CCI.
Introduce a binding for the CCI PMU. The PMU node will be a sub-node of
the CCI node.
Cc: devicetree@vger.kernel.org
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Improve the description of the value types used in the CCI binding.
Cc: devicetree@vger.kernel.org
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
H8/300 has been dead for several years, and the kernel for it
has not compiled for ages. Drop support for it.
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Help simplify the cleanup code for SPI master drivers by providing a
managed master registration function, ensuring that the master is
automatically unregistered whenever the device is unbound.
Signed-off-by: Mark Brown <broonie@linaro.org>
Palmas rails like LDOs, SMPSs, REGENs, SYSENs can be enable and disable
by register programming through I2C communication as well as it can be
enable/disable with the external control input ENABLE1, ENABLE2 and NSLEEP.
Add support for configuring these rails to be controlled by external control
inputs. This is require to configure the rail's control register as well as
configuration of resource register.
Provide the external input names through parameter "roof-floor". Updated the
DT binding document to details different value of the roof-floor.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Many regulator drivers have a remove function that consists solely of
calling regulator_unregister() so provide a devm_regulator_register()
in order to allow this repeated code to be removed and help eliminate
error handling code.
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix documentation of ->atomic_open() and related functions: finish_open()
and finish_no_open(). Also add details that seem to be unclear and a
source of bugs (some of which are fixed in the following series).
Cc-ing maintainers of all filesystems implementing ->atomic_open().
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Sage Weil <sage@inktank.com>
Cc: Steve French <sfrench@samba.org>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This patch extends vic_of_init to parse valid interrupt sources
and resume sources masks from device tree.
If mask values are not specified in device tree, all sources
are assumed to be valid, as before this patch.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Pull timer code update from Thomas Gleixner:
- armada SoC clocksource overhaul with a trivial merge conflict
- Minor improvements to various SoC clocksource drivers
* 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: armada-370-xp: Add detailed clock requirements in devicetree binding
clocksource: armada-370-xp: Get reference fixed-clock by name
clocksource: armada-370-xp: Replace WARN_ON with BUG_ON
clocksource: armada-370-xp: Fix device-tree binding
clocksource: armada-370-xp: Introduce new compatibles
clocksource: armada-370-xp: Use CLOCKSOURCE_OF_DECLARE
clocksource: armada-370-xp: Simplify TIMER_CTRL register access
clocksource: armada-370-xp: Use BIT()
ARM: timer-sp: Set dynamic irq affinity
ARM: nomadik: add dynamic irq flag to the timer
clocksource: sh_cmt: 32-bit control register support
clocksource: em_sti: Convert to devm_* managed helpers
Pull CIFS fixes from Steve French:
"Two minor cifs fixes and a minor documentation cleanup for cifs.txt"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update cifs.txt and remove some outdated infos
cifs: Avoid calling unlock_page() twice in cifs_readpage() when using fscache
cifs: Do not take a reference to the page in cifs_readpage_worker()
running bonding in ALB mode requires that learning packets be sent periodically,
so that the switch knows where to send responding traffic. However, depending
on switch configuration, there may not be any need to send traffic at the
default rate of 3 packets per second, which represents little more than wasted
data. Allow the ALB learning packet interval to be made configurable via sysfs
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Acked-by: Veaceslav Falico <vfalico@redhat.com>
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch set is a set of driver updates (megaraid_sas, fnic, lpfc, ufs,
hpsa) we also have a couple of bug fixes (sd out of bounds and ibmvfc error
handling) and the first round of esas2r checker fixes and finally the much
anticipated big endian additions for megaraid_sas.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull misc SCSI driver updates from James Bottomley:
"This patch set is a set of driver updates (megaraid_sas, fnic, lpfc,
ufs, hpsa) we also have a couple of bug fixes (sd out of bounds and
ibmvfc error handling) and the first round of esas2r checker fixes and
finally the much anticipated big endian additions for megaraid_sas"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (47 commits)
[SCSI] fnic: fnic Driver Tuneables Exposed through CLI
[SCSI] fnic: Kernel panic while running sh/nosh with max lun cfg
[SCSI] fnic: Hitting BUG_ON(io_req->abts_done) in fnic_rport_exch_reset
[SCSI] fnic: Remove QUEUE_FULL handling code
[SCSI] fnic: On system with >1.1TB RAM, VIC fails multipath after boot up
[SCSI] fnic: FC stat param seconds_since_last_reset not getting updated
[SCSI] sd: Fix potential out-of-bounds access
[SCSI] lpfc 8.3.42: Update lpfc version to driver version 8.3.42
[SCSI] lpfc 8.3.42: Fixed issue of task management commands having a fixed timeout
[SCSI] lpfc 8.3.42: Fixed inconsistent spin lock usage.
[SCSI] lpfc 8.3.42: Fix driver's abort loop functionality to skip IOs already getting aborted
[SCSI] lpfc 8.3.42: Fixed failure to allocate SCSI buffer on PPC64 platform for SLI4 devices
[SCSI] lpfc 8.3.42: Fix WARN_ON when driver unloads
[SCSI] lpfc 8.3.42: Avoided making pci bar ioremap call during dual-chute WQ/RQ pci bar selection
[SCSI] lpfc 8.3.42: Fixed driver iocbq structure's iocb_flag field running out of space
[SCSI] lpfc 8.3.42: Fix crash on driver load due to cpu affinity logic
[SCSI] lpfc 8.3.42: Fixed logging format of setting driver sysfs attributes hard to interpret
[SCSI] lpfc 8.3.42: Fixed back to back RSCNs discovery failure.
[SCSI] lpfc 8.3.42: Fixed race condition between BSG I/O dispatch and timeout handling
[SCSI] lpfc 8.3.42: Fixed function mode field defined too small for not recognizing dual-chute mode
...
This patch adds device tree binding documentation
for the gp2ap020a00f proximity/als sensor.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Integration time is in seconds; it controls the measurement
time and influences the gain of a sensor.
There are two typical ways that scaling is implemented in a device:
1) input amplifier,
2) reference to the ADC is changed.
These both result in the accuracy of the ADC varying (by applying its
sampling over a more relevant range).
Integration time is a way of dealing with noise inherent in the analog
sensor itself. In the case of a light sensor, a mixture of photon noise
and device specific noise. Photon noise is dealt with by either improving
the efficiency of the sensor, (more photons actually captured) which is not
easily varied dynamically, or by integrating the measurement over a longer
time period. Note that this can also be thought of as an averaging of a
number of individual samples and is infact sometimes implemented this way.
Altering integration time implies that the duration of a measurement changes,
a fact the device's user may be interested in.
Hence it makes sense to distinguish between integration time and simple
scale. In some devices both types of control are present and whilst they
will have similar effects on the amplitude of the reading, their effect
on the noise of the measurements will differ considerably.
Used by adjd_s311, tsl4531, tcs3472
The following drivers have similar controls (and could be adapted):
* tsl2563 (integration time is controlled via CALIBSCALE among other things)
* tsl2583 (has integration_time device_attr, but driver doesn't use channels yet)
* tsl2x7x (has integration_time attr)
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Jon Brenner <jon.brenner@ams.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Pull MIPS updates from Ralf Baechle:
"This has been sitting in -next for a while with no objections and all
MIPS defconfigs except one are building fine; that one platform got
broken by another patch in your tree and I'm going to submit a patch
separately.
- a handful of fixes that didn't make 3.11
- a few bits of Octeon 3 support with more to come for a later
release
- platform enhancements for Octeon, ath79, Lantiq, Netlogic and
Ralink SOCs
- a GPIO driver for the Octeon
- some dusting off of the DECstation code
- the usual dose of cleanups"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (65 commits)
MIPS: DMA: Fix BUG due to smp_processor_id() in preemptible code
MIPS: kexec: Fix random crashes while loading crashkernel
MIPS: kdump: Skip walking indirection page for crashkernels
MIPS: DECstation HRT calibration bug fixes
MIPS: Export copy_from_user_page() (needed by lustre)
MIPS: Add driver for the built-in PCI controller of the RT3883 SoC
MIPS: DMA: For BMIPS5000 cores flush region just like non-coherent R10000
MIPS: ralink: Add support for reset-controller API
MIPS: ralink: mt7620: Add cpu-feature-override header
MIPS: ralink: mt7620: Add spi clock definition
MIPS: ralink: mt7620: Add wdt clock definition
MIPS: ralink: mt7620: Improve clock frequency detection
MIPS: ralink: mt7620: This SoC has EHCI and OHCI hosts
MIPS: ralink: mt7620: Add verbose ram info
MIPS: ralink: Probe clocksources from OF
MIPS: ralink: Add support for systick timer found on newer ralink SoC
MIPS: ralink: Add support for periodic timer irq
MIPS: Netlogic: Built-in DTB for XLP2xx SoC boards
MIPS: Netlogic: Add support for USB on XLP2xx
MIPS: Netlogic: XLP2xx update for I2C controller
...
Merge more patches from Andrew Morton:
"The rest of MM. Plus one misc cleanup"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
mm/Kconfig: add MMU dependency for MIGRATION.
kernel: replace strict_strto*() with kstrto*()
mm, thp: count thp_fault_fallback anytime thp fault fails
thp: consolidate code between handle_mm_fault() and do_huge_pmd_anonymous_page()
thp: do_huge_pmd_anonymous_page() cleanup
thp: move maybe_pmd_mkwrite() out of mk_huge_pmd()
mm: cleanup add_to_page_cache_locked()
thp: account anon transparent huge pages into NR_ANON_PAGES
truncate: drop 'oldsize' truncate_pagecache() parameter
mm: make lru_add_drain_all() selective
memcg: document cgroup dirty/writeback memory statistics
memcg: add per cgroup writeback pages accounting
memcg: check for proper lock held in mem_cgroup_update_page_stat
memcg: remove MEMCG_NR_FILE_MAPPED
memcg: reduce function dereference
memcg: avoid overflow caused by PAGE_ALIGN
memcg: rename RESOURCE_MAX to RES_COUNTER_MAX
memcg: correct RESOURCE_MAX to ULLONG_MAX
mm: memcg: do not trap chargers with full callstack on OOM
mm: memcg: rework and document OOM waiting and wakeup
...
Pull vfs pile 4 from Al Viro:
"list_lru pile, mostly"
This came out of Andrew's pile, Al ended up doing the merge work so that
Andrew didn't have to.
Additionally, a few fixes.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (42 commits)
super: fix for destroy lrus
list_lru: dynamically adjust node arrays
shrinker: Kill old ->shrink API.
shrinker: convert remaining shrinkers to count/scan API
staging/lustre/libcfs: cleanup linux-mem.h
staging/lustre/ptlrpc: convert to new shrinker API
staging/lustre/obdclass: convert lu_object shrinker to count/scan API
staging/lustre/ldlm: convert to shrinkers to count/scan API
hugepage: convert huge zero page shrinker to new shrinker API
i915: bail out earlier when shrinker cannot acquire mutex
drivers: convert shrinkers to new count/scan API
fs: convert fs shrinkers to new scan/count API
xfs: fix dquot isolation hang
xfs-convert-dquot-cache-lru-to-list_lru-fix
xfs: convert dquot cache lru to list_lru
xfs: rework buffer dispose list tracking
xfs-convert-buftarg-lru-to-generic-code-fix
xfs: convert buftarg LRU to generic code
fs: convert inode and dentry shrinking to be node aware
vmscan: per-node deferred work
...
Pull led updates from Bryan Wu:
"Sorry for the late pull request, since I'm just back from vacation.
LED subsystem updates for 3.12:
- pca9633 driver DT supporting and pca9634 chip supporting
- restore legacy device attributes for lp5521
- other fixing and updates"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (28 commits)
leds: wm831x-status: Request a REG resource
leds: trigger: ledtrig-backlight: Fix invalid memory access in fb_event notification callback
leds-pca963x: Fix device tree parsing
leds-pca9633: Rename to leds-pca963x
leds-pca9633: Add mutex to the ledout register
leds-pca9633: Unique naming of the LEDs
leds-pca9633: Add support for PCA9634
leds: lp5562: use LP55xx common macros for device attributes
Documentation: leds-lp5521,lp5523: update device attribute information
leds: lp5523: remove unnecessary writing commands
leds: lp5523: restore legacy device attributes
leds: lp5523: LED MUX configuration on initializing
leds: lp5523: make separate API for loading engine
leds: lp5521: remove unnecessary writing commands
leds: lp5521: restore legacy device attributes
leds: lp55xx: add common macros for device attributes
leds: lp55xx: add common data structure for program
Documentation: leds: Fix a typo
leds: ss4200: Fix incorrect placement of __initdata
leds: clevo-mail: Fix incorrect placement of __initdata
...
2bd2d6f2dc ("sched: Replace use of entity_key()") had remove the
entity_key() which function is to subtract a tasks vruntime by
its groups minvruntime as the rbtree key.
The phrase "there is a subtraction using rq->cfs.min_vruntime
to account for possible wraparounds" in documentation feels strange
and meaningless. So remove it.
Signed-off-by: Li Bin <huawei.libin@huawei.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1378706740-7500-1-git-send-email-huawei.libin@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Pull thermal management updates from Zhang Rui:
"We have a lot of SOC changes and a few thermal core fixes this time.
The biggest change is about exynos thermal driver restructure. The
patch set adds TMU (Thermal management Unit) driver support for
exynos5440 platform. There are 3 instances of the TMU controllers so
necessary cleanup/re-structure is done to handle multiple thermal
zone.
The next biggest change is the introduction of the imx thermal driver.
It adds the imx thermal support using Temperature Monitor (TEMPMON)
block found on some Freescale i.MX SoCs. The driver uses syscon
regmap interface to access TEMPMON control registers and calibration
data, and supports cpufreq as the cooling device.
Highlights:
- restructure exynos thermal driver.
- introduce new imx thermal driver.
- fix a bug in thermal core, which powers on the fans unexpectedly
after resume from suspend"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (46 commits)
drivers: thermal: add check when unregistering cpu cooling
thermal: thermal_core: allow binding with limits on bind_params
drivers: thermal: make usage of CONFIG_THERMAL_HWMON optional
drivers: thermal: parent virtual hwmon with thermal zone
thermal: hwmon: move hwmon support to single file
thermal: exynos: Clean up non-DT remnants
thermal: exynos: Fix potential NULL pointer dereference
thermal: exynos: Fix typos in Kconfig
thermal: ti-soc-thermal: Ensure to compute thermal trend
thermal: ti-soc-thermal: Set the bandgap mask counter delay value
thermal: ti-soc-thermal: Initialize counter_delay field for TI DRA752 sensors
thermal: step_wise: return instance->target by default
thermal: step_wise: cdev only needs update on a new target state
Thermal/cpu_cooling: Return directly for the cpu out of allowed_cpus in the cpufreq_thermal_notifier()
thermal: exynos_tmu: fix wrong error check for mapped memory
thermal: imx: implement thermal alarm interrupt handling
thermal: imx: dynamic passive and SoC specific critical trip points
Documentation: thermal: Explain the exynos thermal driver model
ARM: dts: thermal: exynos: Add documentation for Exynos SoC thermal bindings
thermal: exynos: Support for TMU regulator defined at device tree
...
Pull CIFS fixes from Steve French:
"CIFS update including case insensitive file name matching improvements
for UTF-8 to Unicode, various small cifs fixes, SMB2/SMB3 leasing
improvements, support for following SMB2 symlinks, SMB3 packet signing
improvements"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6: (25 commits)
CIFS: Respect epoch value from create lease context v2
CIFS: Add create lease v2 context for SMB3
CIFS: Move parsing lease buffer to ops struct
CIFS: Move creating lease buffer to ops struct
CIFS: Store lease state itself rather than a mapped oplock value
CIFS: Replace clientCanCache* bools with an integer
[CIFS] quiet sparse compile warning
cifs: Start using per session key for smb2/3 for signature generation
cifs: Add a variable specific to NTLMSSP for key exchange.
cifs: Process post session setup code in respective dialect functions.
CIFS: convert to use le32_add_cpu()
CIFS: Fix missing lease break
CIFS: Fix a memory leak when a lease break comes
cifs: add winucase_convert.pl to Documentation/ directory
cifs: convert case-insensitive dentry ops to use new case conversion routines
cifs: add new case-insensitive conversion routines that are based on wchar_t's
[CIFS] Add Scott to list of cifs contributors
cifs: Move and expand MAX_SERVER_SIZE definition
cifs: Expand max share name length to 256
cifs: Move string length definitions to uapi
...
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Merge tag 'for-3.12' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf
Pull dma-buf updates from Sumit Semwal:
"Yet another small one - dma-buf framework now supports size discovery
of the buffer via llseek"
* tag 'for-3.12' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf:
dma-buf: Expose buffer size to userspace (v2)
dma-buf: Check return value of anon_inode_getfile
Merge first patch-bomb from Andrew Morton:
- Some pidns/fork/exec tweaks
- OCFS2 updates
- Most of MM - there remain quite a few memcg parts which depend on
pending core cgroups changes. Which might have been already merged -
I'll check tomorrow...
- Various misc stuff all over the place
- A few block bits which I never got around to sending to Jens -
relatively minor things.
- MAINTAINERS maintenance
- A small number of lib/ updates
- checkpatch updates
- epoll
- firmware/dmi-scan
- Some kprobes work for S390
- drivers/rtc updates
- hfsplus feature work
- vmcore feature work
- rbtree upgrades
- AOE updates
- pktcdvd cleanups
- PPS
- memstick
- w1
- New "inittmpfs" feature, which does the obvious
- More IPC work from Davidlohr.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (303 commits)
lz4: fix compression/decompression signedness mismatch
ipc: drop ipc_lock_check
ipc, shm: drop shm_lock_check
ipc: drop ipc_lock_by_ptr
ipc, shm: guard against non-existant vma in shmdt(2)
ipc: document general ipc locking scheme
ipc,msg: drop msg_unlock
ipc: rename ids->rw_mutex
ipc,shm: shorten critical region for shmat
ipc,shm: cleanup do_shmat pasta
ipc,shm: shorten critical region for shmctl
ipc,shm: make shmctl_nolock lockless
ipc,shm: introduce shmctl_nolock
ipc: drop ipcctl_pre_down
ipc,shm: shorten critical region in shmctl_down
ipc,shm: introduce lockless functions to obtain the ipc object
initmpfs: use initramfs if rootfstype= or root= specified
initmpfs: make rootfs use tmpfs when CONFIG_TMPFS enabled
initmpfs: move rootfs code from fs/ramfs/ to init/
initmpfs: move bdi setup from init_rootfs to init_ramfs
...
Command line option rootfstype=ramfs to obtain old initramfs behavior, and
use ramfs instead of tmpfs for stub when root= defined (for cosmetic
reasons).
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Rob Landley <rob@landley.net>
Cc: Jeff Layton <jlayton@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jim Cromie <jim.cromie@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When the example udev rules in the documentation are used without
modification, warnings like the one shown below appear in the system logs:
/var/log/messages:Aug 22 11:09:11 kung udevd[445]: NAME="%k" \
is superfluous and breaks kernel supplied names, please remove \
it from /etc/udev/rules.d/60-aoe.rules:26
Removing the term does not cause any problems with the creation of the
special character and block device nodes.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix mistake in the description of Committed_AS in kernel documentation.
Signed-off-by: Minto Joseph <mvaliyav@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add a new %P variable to be used in core_pattern. This variable contains
the global PID (PID in the init namespace) as %p contains the PID in the
current namespace which isn't always what we want.
The main use for this is to make it easier to handle crashes that happened
within a container. With that new variables it's possible to have the
crashes dumped into the container or forwarded to the host with the right
PID (from the host's point of view).
Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Reported-by: Hans Feldt <hans.feldt@ericsson.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Andy Whitcroft <apw@canonical.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Palmas series device like TPS65913, TPS80036 supports the backup battery
for powering the RTC when no other energy source is available.
The backup battery is optional, connected to the VBACKUP pin, and can be
nonrechargeable or rechargeable. The rechargeable battery can be charged
from the system supply using the backup battery charger.
Add support for enabling charging of this backup battery. Also add the DT
binding document and the new properties to have this support.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
On some platforms (like AM33xx), a special register (RTC_IRQWAKEEN) is
available to enable Alarm Wakeup feature. This register needs to be
properly handled for the rtcwake to work properly.
Platforms using such IP should set "ti,am3352-rtc" in rtc device dt
compatibility node.
Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add RTC driver for MOXA ART SoCs.
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pavel reported that in case if vma area get unmapped and then mapped (or
expanded) in-place, the soft dirty tracker won't be able to recognize this
situation since it works on pte level and ptes are get zapped on unmap,
loosing soft dirty bit of course.
So to resolve this situation we need to track actions on vma level, there
VM_SOFTDIRTY flag comes in. When new vma area created (or old expanded)
we set this bit, and keep it here until application calls for clearing
soft dirty bit.
Thus when user space application track memory changes now it can detect if
vma area is renewed.
Reported-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Rob Landley <rob@landley.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Now hugepage migration is enabled, although restricted on pmd-based
hugepages for now (due to lack of testing.) So we should allocate
migratable hugepages from ZONE_MOVABLE if possible.
This patch makes GFP flags in hugepage allocation dependent on migration
support, not only the value of hugepages_treat_as_movable. It provides no
change on the behavior for architectures which do not support hugepage
migration,
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Explicitly mention/recommend using the libhugetlbfs test cases when
changing related kernel code. Developers that are unaware of the project
can easily miss this and introduce potential regressions that may or may
not be caught by community review.
Also do some cleanups that make the document visually easier to view at a
first glance.
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Read block device partition table from command line. The partition used
for fixed block device (eMMC) embedded device. It is no MBR, save
storage space. Bootloader can be easily accessed by absolute address of
data on the block device. Users can easily change the partition.
This code reference MTD partition, source "drivers/mtd/cmdlinepart.c"
About the partition verbose reference
"Documentation/block/cmdline-partition.txt"
[akpm@linux-foundation.org: fix printk text]
[yongjun_wei@trendmicro.com.cn: fix error return code in parse_parts()]
Signed-off-by: Cai Zhiyong <caizhiyong@huawei.com>
Cc: Karel Zak <kzak@redhat.com>
Cc: "Wanglin (Albert)" <albert.wanglin@huawei.com>
Cc: Marius Groeger <mag@sysgo.de>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Artem Bityutskiy <dedekind@infradead.org>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull networking fixes from David Miller:
1) Brown paper bag fix in HTB scheduler, class options set incorrectly
due to a typoe. Fix from Vimalkumar.
2) It's possible for the ipv6 FIB garbage collector to run before all
the necessary datastructure are setup during init, defer the
notifier registry to avoid this problem. Fix from Michal Kubecek.
3) New i40e ethernet driver from the Intel folks.
4) Add new qmi wwan device IDs, from Bjørn Mork.
5) Doorbell lock in bnx2x driver is not initialized properly in some
configurations, fix from Ariel Elior.
6) Revert an ipv6 packet option padding change that broke standardized
ipv6 implementation test suites. From Jiri Pirko.
7) Fix synchronization of ARP information in bonding layer, from
Nikolay Aleksandrov.
8) Fix missing error return resulting in illegal memory accesses in
openvswitch, from Daniel Borkmann.
9) SCTP doesn't signal poll events properly due to mistaken operator
precedence, fix also from Daniel Borkmann.
10) __netdev_pick_tx() passes wrong index to sk_tx_queue_set() which
essentially disables caching of TX queue in sockets :-/ Fix from
Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits)
net_sched: htb: fix a typo in htb_change_class()
net: qmi_wwan: add new Qualcomm devices
ipv6: don't call fib6_run_gc() until routing is ready
net: tilegx driver: avoid compiler warning
fib6_rules: fix indentation
irda: vlsi_ir: Remove casting the return value which is a void pointer
irda: donauboe: Remove casting the return value which is a void pointer
net: fix multiqueue selection
net: sctp: fix smatch warning in sctp_send_asconf_del_ip
net: sctp: fix bug in sctp_poll for SOCK_SELECT_ERR_QUEUE
net: fib: fib6_add: fix potential NULL pointer dereference
net: ovs: flow: fix potential illegal memory access in __parse_flow_nlattrs
bcm63xx_enet: remove deprecated IRQF_DISABLED
net: korina: remove deprecated IRQF_DISABLED
macvlan: Move skb_clone check closer to call
qlcnic: Fix warning reported by kbuild test robot.
bonding: fix bond_arp_rcv setting and arp validate desync state
bonding: fix store_arp_validate race with mode change
ipv6/exthdrs: accept tlv which includes only padding
bnx2x: avoid atomic allocations during initialization
...
Pull kconfig updates from Michal Marek:
"This is the kconfig part of kbuild for v3.12-rc1:
- post-3.11 search code fixes and micro-optimizations
- CONFIG_MODULES is no longer a special case; this is needed to
eventually fix the bug that using KCONFIG_ALLCONFIG breaks
allmodconfig
- long long is used to store hex and int values
- make silentoldconfig no longer warns when a symbol changes from
tristate to bool (it's a job for make oldconfig)
- scripts/diffconfig updated to work with newer Pythons
- scripts/config does not rely on GNU sed extensions"
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kconfig: do not allow more than one symbol to have 'option modules'
kconfig: regenerate bison parser
kconfig: do not special-case 'MODULES' symbol
diffconfig: Update script to support python versions 2.5 through 3.3
diffconfig: Gracefully exit if the default config files are not present
modules: do not depend on kconfig to set 'modules' option to symbol MODULES
kconfig: silence warning when parsing auto.conf when a symbol has changed type
scripts/config: use sed's POSIX interface
kconfig: switch to "long long" for sanity
kconfig: simplify symbol-search code
kconfig: don't allocate n+1 elements in temporary array
kconfig: minor style fixes in symbol-search code
kconfig/[mn]conf: shorten title in search-box
kconfig: avoid multiple calls to strlen
Documentation/kconfig: more concise and straightforward search explanation
This patch adds the changes for Kconfig, i40e.txt, MAINTAINERS, Kbuild
and new i40e/Makefile to build i40e with the kernel.
New driver build option is CONFIG_I40E
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
CC: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>
CC: e1000-devel@lists.sourceforge.net
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
- APM X-Gene system reboot driver by Feng Kan and Loc Ho (APM).
- Qualcomm MSM reboot/poweroff driver by Abhimanyu Kapur (Codeaurora).
- Texas Instruments BQ24190 charger driver by Mark A. Greer (Animal Creek
Technologies).
- Texas Instruments TWL4030 MADC battery driver by Lukas Märdian and Marek
Belisko (Golden Delicious Computers). The driver is used on Freerunner
GTA04 phones.
Highlighted fixes and improvements:
- Suspend/wakeup logic improvements: power supply objects will block
system suspend until all power supply events are processed. Thanks to
Zoran Markovic (Linaro), Arve Hjonnevag and Todd Poynor (Google).
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Merge tag 'for-v3.12' of git://git.infradead.org/battery-2.6
Pull battery/power supply driver updates from Anton Vorontsov:
"New drivers:
- APM X-Gene system reboot driver by Feng Kan and Loc Ho (APM).
- Qualcomm MSM reboot/poweroff driver by Abhimanyu Kapur (Codeaurora).
- Texas Instruments BQ24190 charger driver by Mark A. Greer (Animal
Creek Technologies).
- Texas Instruments TWL4030 MADC battery driver by Lukas Märdian and
Marek Belisko (Golden Delicious Computers). The driver is used on
Freerunner GTA04 phones.
Highlighted fixes and improvements:
- Suspend/wakeup logic improvements: power supply objects will block
system suspend until all power supply events are processed. Thanks
to Zoran Markovic (Linaro), Arve Hjonnevag and Todd Poynor (Google)"
* tag 'for-v3.12' of git://git.infradead.org/battery-2.6:
rx51_battery: Fix channel number when reading adc value
power: Add twl4030_madc battery driver.
bq24190_charger: Workaround SS definition problem on i386 builds
power_supply: Prevent suspend until power supply events are processed
vexpress-poweroff: Should depend on the required infrastructure
twl4030-charger: Fix compiler warning with regulator_enable()
rx51_battery: Replace hardcoded channels values.
bq24190_charger: Add support for TI BQ24190 Battery Charger
ab8500-charger: We print an unintended error message
max8925_power: Fix missing of_node_put
power_supply: Replace strict_strtol() with kstrtol()
power: Add APM X-Gene system reboot driver
power_supply: tosa_battery: Get rid of irq_to_gpio usage
power supply: collie_battery: Convert to use dev_pm_ops
power_supply: Make goldfish_battery depend on GOLDFISH || COMPILE_TEST
power: reset: Add msm restart support
MAINTAINERS: drivers/power: add entry for SmartReflex AVS drivers
For a long time no filesystem has been using vfs_follow_link, and as seen
by recent filesystem submissions any new use is accidental as well.
Remove vfs_follow_link, document the replacement in
Documentation/filesystems/porting and also rename __vfs_follow_link
to match its only caller better.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Generally minor changes. A bunch of bug fixes, particularly for
initialization and some refactoring. Most notable change if feeding the
entire flattened tree into the random pool at boot. May not be
significant, but shouldn't hurt either.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux
Pull device tree core updates from Grant Likely:
"Generally minor changes. A bunch of bug fixes, particularly for
initialization and some refactoring. Most notable change if feeding
the entire flattened tree into the random pool at boot. May not be
significant, but shouldn't hurt either"
Tim Bird questions whether the boot time cost of the random feeding may
be noticeable. And "add_device_randomness()" is definitely not some
speed deamon of a function.
* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux:
of/platform: add error reporting to of_amba_device_create()
irq/of: Fix comment typo for irq_of_parse_and_map
of: Feed entire flattened device tree into the random pool
of/fdt: Clean up casting in unflattening path
of/fdt: Remove duplicate memory clearing on FDT unflattening
gpio: implement gpio-ranges binding document fix
of: call __of_parse_phandle_with_args from of_parse_phandle
of: introduce of_parse_phandle_with_fixed_args
of: move of_parse_phandle()
of: move documentation of of_parse_phandle_with_args
of: Fix missing memory initialization on FDT unflattening
of: consolidate definition of early_init_dt_alloc_memory_arch()
of: Make of_get_phy_mode() return int i.s.o. const int
include: dt-binding: input: create a DT header defining key codes.
of/platform: Staticize of_platform_device_create_pdata()
of: Specify initrd location using 64-bit
dt: Typo fix
OF: make of_property_for_each_{u32|string}() use parameters if OF is not enabled
Pull slave-dmaengine updates from Vinod Koul:
"This pull brings:
- Andy's DW driver updates
- Guennadi's sh driver updates
- Pl08x driver fixes from Tomasz & Alban
- Improvements to mmp_pdma by Daniel
- TI EDMA fixes by Joel
- New drivers:
- Hisilicon k3dma driver
- Renesas rcar dma driver
- New API for publishing slave driver capablities
- Various fixes across the subsystem by Andy, Jingoo, Sachin etc..."
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (94 commits)
dma: edma: Remove limits on number of slots
dma: edma: Leave linked to Null slot instead of DUMMY slot
dma: edma: Find missed events and issue them
ARM: edma: Add function to manually trigger an EDMA channel
dma: edma: Write out and handle MAX_NR_SG at a given time
dma: edma: Setup parameters to DMA MAX_NR_SG at a time
dmaengine: pl330: use dma_set_max_seg_size to set the sg limit
dmaengine: dma_slave_caps: remove sg entries
dma: replace devm_request_and_ioremap by devm_ioremap_resource
dma: ste_dma40: Fix potential null pointer dereference
dma: ste_dma40: Remove duplicate const
dma: imx-dma: Remove redundant NULL check
dma: dmagengine: fix function names in comments
dma: add driver for R-Car HPB-DMAC
dma: k3dma: use devm_ioremap_resource() instead of devm_request_and_ioremap()
dma: imx-sdma: Staticize sdma_driver_data structures
pch_dma: Add MODULE_DEVICE_TABLE
dmaengine: PL08x: Add cyclic transfer support
dmaengine: PL08x: Fix reading the byte count in cctl
dmaengine: PL08x: Add support for different maximum transfer size
...
Core:
- Support Allocation Units 8MB-64MB in SD3.0, previous max was 4MB.
- The slot-gpio helper can now handle GPIO debouncing card-detect.
- Read supported voltages from DT "voltage-ranges" property.
Drivers:
- dw_mmc: Add support for ARC architecture, and support exynos5420.
- mmc_spi: Support CD/RO GPIOs.
- sh_mobile_sdhi: Add compatibility for more Renesas SoCs.
- sh_mmcif: Add DT support for DMA channels.
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Merge tag 'mmc-updates-for-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC updates from Chris Ball:
"MMC highlights for 3.12:
Core:
- Support Allocation Units 8MB-64MB in SD3.0, previous max was 4MB.
- The slot-gpio helper can now handle GPIO debouncing card-detect.
- Read supported voltages from DT "voltage-ranges" property.
Drivers:
- dw_mmc: Add support for ARC architecture, and support exynos5420.
- mmc_spi: Support CD/RO GPIOs.
- sh_mobile_sdhi: Add compatibility for more Renesas SoCs.
- sh_mmcif: Add DT support for DMA channels"
* tag 'mmc-updates-for-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (50 commits)
Revert "mmc: tmio-mmc: Remove .set_pwr() callback from platform data"
mmc: dw_mmc: Add support for ARC
mmc: sdhci-s3c: initialize host->quirks2 for using quirks2
mmc: sdhci-s3c: fix the wrong register value, when clock is disabled
mmc: esdhc: add support to get voltage from device-tree
mmc: sdhci: get voltage from sdhc host
mmc: core: parse voltage from device-tree
mmc: omap_hsmmc: use the generic config for omap2plus devices
mmc: omap_hsmmc: clear status flags before starting a new command
mmc: dw_mmc: exynos: Add a new compatible string for exynos5420
mmc: sh_mmcif: revision-specific CLK_CTRL2 handling
mmc: sh_mmcif: revision-specific Command Completion Signal handling
mmc: sh_mmcif: add support for Device Tree DMA bindings
mmc: sh_mmcif: move header include from header into .c
mmc: SDHI: add DT compatibility strings for further SoCs
mmc: dw_mmc-pci: enable bus-mastering mode
mmc: dw_mmc-pci: get resources from a proper BAR
mmc: tmio-mmc: Remove .set_pwr() callback from platform data
mmc: tmio-mmc: Remove .get_cd() callback from platform data
mmc: sh_mobile_sdhi: Remove .set_pwr() callback from platform data
...
device-mapper device. This dm-stats code required the reintroduction of
a div64_u64_rem() helper, but as a separate method that doesn't slow
down div64_u64() -- especially on 32-bit systems.
Allow the error target to replace request-based DM devices
(e.g. multipath) in addition to bio-based DM devices.
Various other small code fixes and improvements to thin-provisioning, DM
cache and the DM ioctl interface.
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Merge tag 'dm-3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device-mapper updates from Mike Snitzer:
"Add the ability to collect I/O statistics on user-defined regions of a
device-mapper device. This dm-stats code required the reintroduction
of a div64_u64_rem() helper, but as a separate method that doesn't
slow down div64_u64() -- especially on 32-bit systems.
Allow the error target to replace request-based DM devices (e.g.
multipath) in addition to bio-based DM devices.
Various other small code fixes and improvements to thin-provisioning,
DM cache and the DM ioctl interface"
* tag 'dm-3.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm stripe: silence a couple sparse warnings
dm: add statistics support
dm thin: always return -ENOSPC if no_free_space is set
dm ioctl: cleanup error handling in table_load
dm ioctl: increase granularity of type_lock when loading table
dm ioctl: prevent rename to empty name or uuid
dm thin: set pool read-only if breaking_sharing fails block allocation
dm thin: prefix pool error messages with pool device name
dm: allow error target to replace bio-based and request-based targets
math64: New separate div64_u64_rem helper
dm space map: optimise sm_ll_dec and sm_ll_inc
dm btree: prefetch child nodes when walking tree for a dm_btree_del
dm btree: use pop_frame in dm_btree_del to cleanup code
dm cache: eliminate holes in cache structure
dm cache: fix stacking of geometry limits
dm thin: fix stacking of geometry limits
dm thin: add data block size limits to Documentation
dm cache: add data block size limits to code and Documentation
dm cache: document metadata device is exclussive to a cache
dm: stop using WQ_NON_REENTRANT
Each dma-buf has an associated size and it's reasonable for userspace
to want to know what it is.
Since userspace already has an fd, expose the size using the
size = lseek(fd, SEEK_END, 0); lseek(fd, SEEK_CUR, 0);
idiom.
v2: Added Daniel's sugeested documentation, with minor fixups
Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Collection of random updates to the core and some end-driver fixups for
ioatdma and mv_xor:
* NUMA aware channel allocation
* Cleanup dmatest debugfs interface
* ioat: make raid-support Atom only
* mv_xor: big endian
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Merge tag 'dmaengine-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine
Pull dmaengine update from Dan Williams:
"Collection of random updates to the core and some end-driver fixups
for ioatdma and mv_xor:
- NUMA aware channel allocation
- Cleanup dmatest debugfs interface
- ioat: make raid-support Atom only
- mv_xor: big endian
Aside from the top three commits these have all had some soak time in
-next. The top commit fixes a recent build breakage.
It has been a long while since my last pull request, hopefully it does
not show. Thanks to Vinod for keeping an eye on drivers/dma/ this
past year"
* tag 'dmaengine-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine:
dmaengine: dma_sync_wait and dma_find_channel undefined
MAINTAINERS: update email for Dan Williams
dma: mv_xor: Fix incorrect error path
ioatdma: silence GCC warnings
dmaengine: make dma_channel_rebalance() NUMA aware
dmaengine: make dma_submit_error() return an error code
ioatdma: disable RAID on non-Atom platforms and reenable unaligned copies
mv_xor: support big endian systems using descriptor swap feature
mv_xor: use {readl, writel}_relaxed instead of __raw_{readl, writel}
dmatest: print message on debug level in case of no error
dmatest: remove IS_ERR_OR_NULL checks of debugfs calls
dmatest: make module parameters writable
patches, both new drivers and fixes to existing. A high percentage of
these are for Samsung platforms like Exynos. Core framework fixes and
some new features like automagical clock re-parenting round out the
patches.
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Merge tag 'clk-for-linus-3.12' of git://git.linaro.org/people/mturquette/linux
Pull clock framework changes from Michael Turquette:
"The common clk framework changes for 3.12 are dominated by clock
driver patches, both new drivers and fixes to existing. A high
percentage of these are for Samsung platforms like Exynos. Core
framework fixes and some new features like automagical clock
re-parenting round out the patches"
* tag 'clk-for-linus-3.12' of git://git.linaro.org/people/mturquette/linux: (102 commits)
clk: only call get_parent if there is one
clk: samsung: exynos5250: Simplify registration of PLL rate tables
clk: samsung: exynos4: Register PLL rate tables for Exynos4x12
clk: samsung: exynos4: Register PLL rate tables for Exynos4210
clk: samsung: exynos4: Reorder registration of mout_vpllsrc
clk: samsung: pll: Add support for rate configuration of PLL46xx
clk: samsung: pll: Use new registration method for PLL46xx
clk: samsung: pll: Add support for rate configuration of PLL45xx
clk: samsung: pll: Use new registration method for PLL45xx
clk: samsung: exynos4: Rename exynos4_plls to exynos4x12_plls
clk: samsung: exynos4: Remove checks for DT node
clk: samsung: exynos4: Remove unused static clkdev aliases
clk: samsung: Modify _get_rate() helper to use __clk_lookup()
clk: samsung: exynos4: Use separate aliases for cpufreq related clocks
clocksource: samsung_pwm_timer: Get clock from device tree
ARM: dts: exynos4: Specify PWM clocks in PWM node
pwm: samsung: Update DT bindings documentation to cover clocks
clk: Move symbol export to proper location
clk: fix new_parent dereference before null check
clk: wm831x: Initialise wm831x pointer on init
...
- nand-gpio cleanup and portability to non-ARM
- m25p80 support for 4-byte addressing chips, other new chips
- pxa3xx cleanup and support for new platforms
- remove obsolete alauda, octagon-5066 drivers
- erase/write support for bcm47xxsflash
- improve detection of ECC requirements for NAND, controller setup
- NFC acceleration support for atmel-nand, read/write via SRAM
- etc.
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Merge tag 'for-linus-20130909' of git://git.infradead.org/linux-mtd
Pull mtd updates from David Woodhouse:
- factor out common code from MTD tests
- nand-gpio cleanup and portability to non-ARM
- m25p80 support for 4-byte addressing chips, other new chips
- pxa3xx cleanup and support for new platforms
- remove obsolete alauda, octagon-5066 drivers
- erase/write support for bcm47xxsflash
- improve detection of ECC requirements for NAND, controller setup
- NFC acceleration support for atmel-nand, read/write via SRAM
- etc
* tag 'for-linus-20130909' of git://git.infradead.org/linux-mtd: (184 commits)
mtd: chips: Add support for PMC SPI Flash chips in m25p80.c
mtd: ofpart: use for_each_child_of_node() macro
mtd: mtdswap: replace strict_strtoul() with kstrtoul()
mtd cs553x_nand: use kzalloc() instead of memset
mtd: atmel_nand: fix error return code in atmel_nand_probe()
mtd: bcm47xxsflash: writing support
mtd: bcm47xxsflash: implement erasing support
mtd: bcm47xxsflash: convert to module_platform_driver instead of init/exit
mtd: bcm47xxsflash: convert kzalloc to avoid invalid access
mtd: remove alauda driver
mtd: nand: mxc_nand: mark 'const' properly
mtd: maps: cfi_flagadm: add missing __iomem annotation
mtd: spear_smi: add missing __iomem annotation
mtd: r852: Staticize local symbols
mtd: nandsim: Staticize local symbols
mtd: impa7: add missing __iomem annotation
mtd: sm_ftl: Staticize local symbols
mtd: m25p80: add support for mr25h10
mtd: m25p80: make CONFIG_M25PXX_USE_FAST_READ safe to enable
mtd: m25p80: Pass flags through CAT25_INFO macro
...
Pull DMA mapping update from Marek Szyprowski:
"This contains an addition of Device Tree support for reserved memory
regions (Contiguous Memory Allocator is one of the drivers for it) and
changes required by the KVM extensions for PowerPC architectue"
* 'for-v3.12' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
ARM: init: add support for reserved memory defined by device tree
drivers: of: add initialization code for dma reserved memory
drivers: of: add function to scan fdt nodes given by path
drivers: dma-contiguous: clean source code and prepare for device tree
an external user interface exported to allow other modules to hold
references to VFIO groups, a fix to test for extended config space
on PCIe and PCI-x, and new hot reset interfaces for PCI devices
which allows the user to do PCI bus/slot resets when all of the
devices affected by the reset are owned by the user.
For this last feature, the PCI bus reset interface, I depend on
changes already merged from Bjorn's PCI pull request. I therefore
merged my tree up to commit cb3e433, which I think was the correct
action, but as Stephen Rothwell noted, I failed to provide a commit
message indicating why the merge was required. Sorry for that.
Thanks,
Alex
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Merge tag 'vfio-v3.12-rc0' of git://github.com/awilliam/linux-vfio
Pull VFIO update from Alex Williamson:
"VFIO updates include safer default file flags for VFIO device fds, an
external user interface exported to allow other modules to hold
references to VFIO groups, a fix to test for extended config space on
PCIe and PCI-x, and new hot reset interfaces for PCI devices which
allows the user to do PCI bus/slot resets when all of the devices
affected by the reset are owned by the user.
For this last feature, the PCI bus reset interface, I depend on
changes already merged from Bjorn's PCI pull request. I therefore
merged my tree up to commit cb3e433, which I think was the correct
action, but as Stephen Rothwell noted, I failed to provide a commit
message indicating why the merge was required. Sorry for that.
Thanks, Alex"
* tag 'vfio-v3.12-rc0' of git://github.com/awilliam/linux-vfio:
vfio: fix documentation
vfio-pci: PCI hot reset interface
vfio-pci: Test for extended config space
vfio-pci: Use fdget() rather than eventfd_fget()
vfio: Add O_CLOEXEC flag to vfio device fd
vfio: use get_unused_fd_flags(0) instead of get_unused_fd()
vfio: add external user support
Highlights include:
- Fix NFSv4 recovery so that it doesn't recover lost locks in cases such as
lease loss due to a network partition, where doing so may result in data
corruption. Add a kernel parameter to control choice of legacy behaviour
or not.
- Performance improvements when 2 processes are writing to the same file.
- Flush data to disk when an RPCSEC_GSS session timeout is imminent.
- Implement NFSv4.1 SP4_MACH_CRED state protection to prevent other
NFS clients from being able to manipulate our lease and file lockingr
state.
- Allow sharing of RPCSEC_GSS caches between different rpc clients
- Fix the broken NFSv4 security auto-negotiation between client and server
- Fix rmdir() to wait for outstanding sillyrename unlinks to complete
- Add a tracepoint framework for debugging NFSv4 state recovery issues.
- Add tracing to the generic NFS layer.
- Add tracing for the SUNRPC socket connection state.
- Clean up the rpc_pipefs mount/umount event management.
- Merge more patches from Chuck in preparation for NFSv4 migration support.
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Merge tag 'nfs-for-3.12-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
- Fix NFSv4 recovery so that it doesn't recover lost locks in cases
such as lease loss due to a network partition, where doing so may
result in data corruption. Add a kernel parameter to control
choice of legacy behaviour or not.
- Performance improvements when 2 processes are writing to the same
file.
- Flush data to disk when an RPCSEC_GSS session timeout is imminent.
- Implement NFSv4.1 SP4_MACH_CRED state protection to prevent other
NFS clients from being able to manipulate our lease and file
locking state.
- Allow sharing of RPCSEC_GSS caches between different rpc clients.
- Fix the broken NFSv4 security auto-negotiation between client and
server.
- Fix rmdir() to wait for outstanding sillyrename unlinks to complete
- Add a tracepoint framework for debugging NFSv4 state recovery
issues.
- Add tracing to the generic NFS layer.
- Add tracing for the SUNRPC socket connection state.
- Clean up the rpc_pipefs mount/umount event management.
- Merge more patches from Chuck in preparation for NFSv4 migration
support"
* tag 'nfs-for-3.12-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (107 commits)
NFSv4: use mach cred for SECINFO_NO_NAME w/ integrity
NFS: nfs_compare_super shouldn't check the auth flavour unless 'sec=' was set
NFSv4: Allow security autonegotiation for submounts
NFSv4: Disallow security negotiation for lookups when 'sec=' is specified
NFSv4: Fix security auto-negotiation
NFS: Clean up nfs_parse_security_flavors()
NFS: Clean up the auth flavour array mess
NFSv4.1 Use MDS auth flavor for data server connection
NFS: Don't check lock owner compatability unless file is locked (part 2)
NFS: Don't check lock owner compatibility in writes unless file is locked
nfs4: Map NFS4ERR_WRONG_CRED to EPERM
nfs4.1: Add SP4_MACH_CRED write and commit support
nfs4.1: Add SP4_MACH_CRED stateid support
nfs4.1: Add SP4_MACH_CRED secinfo support
nfs4.1: Add SP4_MACH_CRED cleanup support
nfs4.1: Add state protection handler
nfs4.1: Minimal SP4_MACH_CRED implementation
SUNRPC: Replace pointer values with task->tk_pid and rpc_clnt->cl_clid
SUNRPC: Add an identifier for struct rpc_clnt
SUNRPC: Ensure rpc_task->tk_pid is available for tracepoints
...
Pull ceph updates from Sage Weil:
"This includes both the first pile of Ceph patches (which I sent to
torvalds@vger, sigh) and a few new patches that add support for
fscache for Ceph. That includes a few fscache core fixes that David
Howells asked go through the Ceph tree. (Thanks go to Milosz Tanski
for putting this feature together)
This first batch of patches (included here) had (has) several
important RBD bug fixes, hole punch support, several different
cleanups in the page cache interactions, improvements in the truncate
code (new truncate mutex to avoid shenanigans with i_mutex), and a
series of fixes in the synchronous striping read/write code.
On top of that is a random collection of small fixes all across the
tree (error code checks and error path cleanup, obsolete wq flags,
etc)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (43 commits)
ceph: use d_invalidate() to invalidate aliases
ceph: remove ceph_lookup_inode()
ceph: trivial buildbot warnings fix
ceph: Do not do invalidate if the filesystem is mounted nofsc
ceph: page still marked private_2
ceph: ceph_readpage_to_fscache didn't check if marked
ceph: clean PgPrivate2 on returning from readpages
ceph: use fscache as a local presisent cache
fscache: Netfs function for cleanup post readpages
FS-Cache: Fix heading in documentation
CacheFiles: Implement interface to check cache consistency
FS-Cache: Add interface to check consistency of a cached object
rbd: fix null dereference in dout
rbd: fix buffer size for writes to images with snapshots
libceph: use pg_num_mask instead of pgp_num_mask for pg.seed calc
rbd: fix I/O error propagation for reads
ceph: use vfs __set_page_dirty_nobuffers interface instead of doing it inside filesystem
ceph: allow sync_read/write return partial successed size of read/write.
ceph: fix bugs about handling short-read for sync read mode.
ceph: remove useless variable revoked_rdcache
...
- Device tree updates for TZ1090 GPIO drivers merged via GPIO tree.
- Add driver for ImgTec PDC irqchip as found in TZ1090 SoC.
- Add linux-metag mailing list to MAINTAINERS file.
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Merge tag 'metag-for-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull metag architecture changes from James Hogan:
- Device tree updates for TZ1090 GPIO drivers merged via GPIO tree.
- Add driver for ImgTec PDC irqchip as found in TZ1090 SoC.
- Add linux-metag mailing list to MAINTAINERS file.
* tag 'metag-for-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
irq-imgpdc: add ImgTec PDC irqchip driver
MAINTAINERS: add linux-metag mailing list
metag: tz1090: instantiate gpio-tz1090-pdc
metag: tz1090: select and instantiate gpio-tz1090
metag: tz1090: select and instantiate irq-imgpdc
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Merge tag 'v3.11-rc7' into stable/for-linus-3.12
Linux 3.11-rc7
As we need the git commit 28817e9de4f039a1a8c1fe1df2fa2df524626b9e
Author: Chuck Anderson <chuck.anderson@oracle.com>
Date: Tue Aug 6 15:12:19 2013 -0700
xen/smp: initialize IPI vectors before marking CPU online
* tag 'v3.11-rc7': (443 commits)
Linux 3.11-rc7
ARC: [lib] strchr breakage in Big-endian configuration
VFS: collect_mounts() should return an ERR_PTR
bfs: iget_locked() doesn't return an ERR_PTR
efs: iget_locked() doesn't return an ERR_PTR()
proc: kill the extra proc_readfd_common()->dir_emit_dots()
cope with potentially long ->d_dname() output for shmem/hugetlb
usb: phy: fix build breakage
USB: OHCI: add missing PCI PM callbacks to ohci-pci.c
staging: comedi: bug-fix NULL pointer dereference on failed attach
lib/lz4: correct the LZ4 license
memcg: get rid of swapaccount leftovers
nilfs2: fix issue with counting number of bio requests for BIO_EOPNOTSUPP error detection
nilfs2: remove double bio_put() in nilfs_end_bio_write() for BIO_EOPNOTSUPP error
drivers/platform/olpc/olpc-ec.c: initialise earlier
ipv4: expose IPV4_DEVCONF
ipv6: handle Redirect ICMP Message with no Redirected Header option
be2net: fix disabling TX in be_close()
Revert "ACPI / video: Always call acpi_video_init_brightness() on init"
Revert "genetlink: fix family dump race"
...
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Add the script used to generate the case-conversion tables to the
Documentation/ directory, in case we ever need to update or regenerate
these tables in the future.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Currently, we have a number of documentation files that live under
fs/cifs/. Generally, these don't get picked up by distro packagers,
since they're in a non-standard location. Move them to a new spot
under Documentation/ instead.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
from Dialog Semiconductor.
Besides that driver we also have:
- Device tree support for the s2mps11 driver
- More devm_* conversion for the pm8921, max89xx, menelaus, tps65010,
wl1273 and pcf50633-adc drivers.
- A conversion to threaded IRQ and IRQ domain for the twl6030 driver.
- A fairly big update for the rtsx driver: Better power saving support,
better vendor settings handling, and a few fixes.
- Support for a couple more boards (COMe-bHL6 and COMe-cTH6) for the
Kontron driver.
- A conversion to the dev_get_platdata() API for all MFD drivers.
- A removal of non-DT (legacy) support for the twl6040 driver.
- A few fixes and additions (Mic detect level) to the wm5110 register tables.
- Regmap support for the davinci_voicecodec driver.
- The usual bunch of minor cleanups and janitorial fixes.
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Merge tag 'mfd-3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD (multi-function device) updates from Samuel Ortiz:
"For the 3.12 merge window we have one new driver for the DA9063 PMIC
from Dialog Semiconductor.
Besides that driver we also have:
- Device tree support for the s2mps11 driver
- More devm_* conversion for the pm8921, max89xx, menelaus, tps65010,
wl1273 and pcf50633-adc drivers.
- A conversion to threaded IRQ and IRQ domain for the twl6030 driver.
- A fairly big update for the rtsx driver: Better power saving
support, better vendor settings handling, and a few fixes.
- Support for a couple more boards (COMe-bHL6 and COMe-cTH6) for the
Kontron driver.
- A conversion to the dev_get_platdata() API for all MFD drivers.
- A removal of non-DT (legacy) support for the twl6040 driver.
- A few fixes and additions (Mic detect level) to the wm5110 register
tables.
- Regmap support for the davinci_voicecodec driver.
- The usual bunch of minor cleanups and janitorial fixes"
* tag 'mfd-3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (81 commits)
mfd: ucb1x00-core: Rewrite ucb1x00_add_dev()
mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for event name
mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for sysfs
mfd: timberdale: Use module_pci_driver
mfd: timberdale: Remove redundant break
mfd: timberdale: Staticize local variables
mfd: ab8500-debugfs: Staticize local variables
mfd: db8500-prcmu: Staticize clk_mgt
mfd: db8500-prcmu: Use ANSI function declaration
mfd: omap-usb-host: Staticize usbhs_driver_name
mfd: 88pm805: Fix potential NULL pdata dereference
mfd: 88pm800: Fix potential NULL pdata dereference
mfd: twl6040: Use regmap for register cache
mfd: davinci_voicecodec: Provide a regmap for register I/O
mfd: davinci_voicecodec: Remove unused read and write functions
mmc: memstick: rtsx: Modify copyright comments
mmc: rtsx: Clear SD_CLK toggle enable bit if switching voltage fail
mfd: mmc: rtsx: Change default tx phase
mfd: pcf50633-adc: Use devm_*() functions
mfd: rtsx: Copyright modifications
...
Pull hwmon fixes from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (emc6w201) Do not declare enum variable
hwmon: (w83792d) Update module author
- A new driver for the TZ1090 PDC which is used on the metag
architecture.
- A new driver for the Kontron ETX or COMexpress GPIO block.
This is found on some ETX x86 devices.
- A new driver for the Fintek Super-I/O chips, used on
some x86 boards.
- Added device tree probing on a few select GPIO blocks.
- Drop the Exynos support from the Samsung GPIO driver.
The Samsung maintainers have moved over to use the
modernized pin control driver to provide GPIO for the
modern platforms instead.
- The usual bunch of non-critical fixes and cleanups.
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Merge tag 'gpio-v3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v3.12 series:
- A new driver for the TZ1090 PDC which is used on the metag
architecture.
- A new driver for the Kontron ETX or COMexpress GPIO block. This is
found on some ETX x86 devices.
- A new driver for the Fintek Super-I/O chips, used on some x86
boards.
- Added device tree probing on a few select GPIO blocks.
- Drop the Exynos support from the Samsung GPIO driver.
The Samsung maintainers have moved over to use the modernized pin
control driver to provide GPIO for the modern platforms instead.
- The usual bunch of non-critical fixes and cleanups"
* tag 'gpio-v3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (36 commits)
gpio: return -ENOTSUPP if debounce cannot be set
gpio: improve error path in gpiolib
gpio: add GPIO support for F71882FG and F71889F
of: add vendor prefix for Microchip Technology Inc
gpio: mcp23s08: rename the device tree property
gpio: samsung: Drop support for Exynos SoCs
gpio: pcf857x: Remove pdata argument to pcf857x_irq_domain_init()
gpio: pcf857x: Sort headers alphabetically
gpio: max7301: Reverting "Do not force SPI speed when using OF Platform"
gpio: Fix bit masking in Kontron PLD GPIO driver
gpio: pca953x: fix gpio input on gpio offsets >= 8
drivers/gpio: simplify use of devm_ioremap_resource
drivers/gpio/gpio-omap.c: convert comma to semicolon
gpio-lynxpoint: Fix warning about unbalanced pm_runtime_enable
gpio: Fix platform driver name in Kontron PLD GPIO driver
gpio: adnp: Fix segfault if request_threaded_irq fails
gpio: msm: Staticize local variable 'msm_gpio'
gpio: gpiolib-of.c: make error message more meaningful by adding the node name and index
gpio: use dev_get_platdata()
gpio/mxc: add chained_irq_enter/exit() to mx2_gpio_irq_handler
...
Pull input updates from Dmitry Torokhov:
"A new driver for slidebar on Ideapad laptops and a bunch of assorted
driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (32 commits)
Input: add SYN_MAX and SYN_CNT constants
Input: max11801_ts - convert to devm
Input: egalax-ts - fix typo and improve text
Input: MAINTAINERS - change maintainer for cyttsp driver
Input: cyttsp4 - kill 'defined but not used' compiler warnings
Input: add driver for slidebar on Lenovo IdeaPad laptops
Input: omap-keypad - set up irq type from DT
Input: omap-keypad - enable wakeup capability for keypad.
Input: omap-keypad - clear interrupts on open
Input: omap-keypad - convert to threaded IRQ
Input: omap-keypad - use bitfiled instead of hardcoded values
Input: cyttsp4 - remove useless NULL test from cyttsp4_watchdog_timer()
Input: wacom - fix error return code in wacom_probe()
Input: as5011 - fix error return code in as5011_probe()
Input: keyboard, serio - simplify use of devm_ioremap_resource
Input: tegra-kbc - simplify use of devm_ioremap_resource
Input: htcpen - fix incorrect placement of __initdata
Input: qt1070 - add power management ops
Input: wistron_btns - add MODULE_DEVICE_TABLE
Input: wistron_btns - mark the Medion MD96500 keymap as tested
...
PWM driver consumes at least one and up to three clocks, which need to be
specified in device tree when used. This patch updates bindings
documentation to add information about clocks.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This branch contains mostly additions and changes to platform enablement
and SoC-level drivers. Since there's sometimes a dependency on device-tree
changes, there's also a fair amount of those in this branch.
Pieces worth mentioning are:
- Mbus driver for Marvell platforms, allowing kernel configuration
and resource allocation of on-chip peripherals.
- Enablement of the mbus infrastructure from Marvell PCI-e drivers.
- Preparation of MSI support for Marvell platforms.
- Addition of new PCI-e host controller driver for Tegra platforms
- Some churn caused by sharing of macro names between i.MX 6Q and 6DL
platforms in the device tree sources and header files.
- Various suspend/PM updates for Tegra, including LP1 support.
- Versatile Express support for MCPM, part of big little support.
- Allwinner platform support for A20 and A31 SoCs (dual and quad Cortex-A7)
- OMAP2+ support for DRA7, a new Cortex-A15-based SoC.
The code that touches other architectures are patches moving
MSI arch-specific functions over to weak symbols and removal of
ARCH_SUPPORTS_MSI, acked by PCI maintainers.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Olof Johansson:
"This branch contains mostly additions and changes to platform
enablement and SoC-level drivers. Since there's sometimes a
dependency on device-tree changes, there's also a fair amount of
those in this branch.
Pieces worth mentioning are:
- Mbus driver for Marvell platforms, allowing kernel configuration
and resource allocation of on-chip peripherals.
- Enablement of the mbus infrastructure from Marvell PCI-e drivers.
- Preparation of MSI support for Marvell platforms.
- Addition of new PCI-e host controller driver for Tegra platforms
- Some churn caused by sharing of macro names between i.MX 6Q and 6DL
platforms in the device tree sources and header files.
- Various suspend/PM updates for Tegra, including LP1 support.
- Versatile Express support for MCPM, part of big little support.
- Allwinner platform support for A20 and A31 SoCs (dual and quad
Cortex-A7)
- OMAP2+ support for DRA7, a new Cortex-A15-based SoC.
The code that touches other architectures are patches moving MSI
arch-specific functions over to weak symbols and removal of
ARCH_SUPPORTS_MSI, acked by PCI maintainers"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (266 commits)
tegra-cpuidle: provide stub when !CONFIG_CPU_IDLE
PCI: tegra: replace devm_request_and_ioremap by devm_ioremap_resource
ARM: tegra: Drop ARCH_SUPPORTS_MSI and sort list
ARM: dts: vf610-twr: enable i2c0 device
ARM: dts: i.MX51: Add one more I2C2 pinmux entry
ARM: dts: i.MX51: Move pins configuration under "iomuxc" label
ARM: dtsi: imx6qdl-sabresd: Add USB OTG vbus pin to pinctrl_hog
ARM: dtsi: imx6qdl-sabresd: Add USB host 1 VBUS regulator
ARM: dts: imx27-phytec-phycore-som: Enable AUDMUX
ARM: dts: i.MX27: Disable AUDMUX in the template
ARM: dts: wandboard: Add support for SDIO bcm4329
ARM: i.MX5 clocks: Remove optional clock setup (CKIH1) from i.MX51 template
ARM: dts: imx53-qsb: Make USBH1 functional
ARM i.MX6Q: dts: Enable I2C1 with EEPROM and PMIC on Phytec phyFLEX-i.MX6 Ouad module
ARM i.MX6Q: dts: Enable SPI NOR flash on Phytec phyFLEX-i.MX6 Ouad module
ARM: dts: imx6qdl-sabresd: Add touchscreen support
ARM: imx: add ocram clock for imx53
ARM: dts: imx: ocram size is different between imx6q and imx6dl
ARM: dts: imx27-phytec-phycore-som: Fix regulator settings
ARM: dts: i.MX27: Remove clock name from CPU node
...
Device tree and bindings updates for 3.12.
General additions of various on-chip and on-board peripherals on various
platforms as support gets added. Some of the bigger changes are:
- Addition of (new) PCI-e support on Tegra.
- More Tegra4 support, including PMC configuration for Dalmore.
- Addition of a new board for Exynos4 (trats2) and more bindings for 4x12 IP.
- Addition of Allwinner A20 and A31 SoC and board files.
- Move of the ST Ericsson device tree files to now use ste-* prefix.
- More move of hardware description of shmobile platforms to DT.
- Two new board dts files for Freescale MXs.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"Device tree and bindings updates for 3.12.
General additions of various on-chip and on-board peripherals on
various platforms as support gets added. Some of the bigger changes
are:
- Addition of (new) PCI-e support on Tegra.
- More Tegra4 support, including PMC configuration for Dalmore.
- Addition of a new board for Exynos4 (trats2) and more bindings for
4x12 IP.
- Addition of Allwinner A20 and A31 SoC and board files.
- Move of the ST Ericsson device tree files to now use ste-* prefix.
- More move of hardware description of shmobile platforms to DT.
- Two new board dts files for Freescale MXs"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (177 commits)
dts: Rename DW APB timer compatible strings
dts: Deprecate ALTR as a vendor prefix
of: add vendor prefix for Altera Corp.
ARM: at91/dt: sam9x5ek: add sound configuration
ARM: at91/dt: sam9x5ek: enable SSC
ARM: at91/dt: sam9x5ek: add WM8731 codec
ARM: at91/dt: sam9x5: add SSC DMA parameters
ARM: at91/dt: add at91rm9200 PQFP package version
ARM: at91: at91rm9200: set default mmc0 pinctrl-names
ARM: at91: at91sam9n12: correct pin number of gpio-key
ARM: at91: at91sam9n12: add qt1070 support
ARM: at91: at91sam9n12: add pinctrl of TWI
ARM: at91: Add PMU support for sama5d3
ARM: at91: at91sam9260: add missing pinctrl-names on mmc
ARM: tegra: configure power off for Dalmore
ARM: DT: binding fixup to align with vendor-prefixes.txt (DT)
ARM: dts: add sdio blocks to bcm28155-ap board
ARM: dts: align sdio numbers to HW definition
ARM: sun7i: Add Olimex A20-Olinuxino-Micro support
ARM: sun7i: Add Allwinner A20 DTSI
...
ignored by the CPU).
- Kernel mode NEON (no users for arm64 yet but work in progress).
- arm64 kernel Image header extended to accommodate future EFI stub.
- Remove BogoMIPS reporting (not relevant, it's just the timer
frequency).
- Clean-up (EM_AARCH64/EM_ARM to elf-em.h, ELF notes in read-only
segment, unused variable).
- Bug-fixes (RAM boundaries not 2MB aligned, perf, includes).
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Merge tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull ARM64 update from Catalin Marinas:
- User tagged pointers support (top 8-bit of user pointers
automatically ignored by the CPU).
- Kernel mode NEON (no users for arm64 yet but work in progress).
- arm64 kernel Image header extended to accommodate future EFI stub.
- Remove BogoMIPS reporting (not relevant, it's just the timer
frequency).
- Clean-up (EM_AARCH64/EM_ARM to elf-em.h, ELF notes in read-only
segment, unused variable).
- Bug-fixes (RAM boundaries not 2MB aligned, perf, includes).
* tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
Documentation/arm64: clarify requirements for DTB placement
arm64: mm: permit use of tagged pointers at EL0
Move the EM_ARM and EM_AARCH64 definitions to uapi/linux/elf-em.h
arm64: Remove unused cpu_name ascii in arch/arm64/mm/proc.S
arm64: delay: don't bother reporting bogomips in /proc/cpuinfo
arm64: Fix mapping of memory banks not ending on a PMD_SIZE boundary
arm64: move elf notes into readonly segment
arm64: Enable interrupts in the EL0 undef handler
arm64: Expand arm64 image header
ARM64: include: asm: include "asm/types.h" in "pgtable-2level-types.h" and "pgtable-3level-types.h"
arm64: add support for kernel mode NEON
arm64: perf: fix ARMv8 EVTYPE_MASK to include NSH bit
arm64: perf: fix group validation when using enable_on_exec
Pull powerpc updates from Ben Herrenschmidt:
"Here's the powerpc batch for this merge window. Some of the
highlights are:
- A bunch of endian fixes ! We don't have full LE support yet in that
release but this contains a lot of fixes all over arch/powerpc to
use the proper accessors, call the firmware with the right endian
mode, etc...
- A few updates to our "powernv" platform (non-virtualized, the one
to run KVM on), among other, support for bridging the P8 LPC bus
for UARTs, support and some EEH fixes.
- Some mpc51xx clock API cleanups in preparation for a clock API
overhaul
- A pile of cleanups of our old math emulation code, including better
support for using it to emulate optional FP instructions on
embedded chips that otherwise have a HW FPU.
- Some infrastructure in selftest, for powerpc now, but could be
generalized, initially used by some tests for our perf instruction
counting code.
- A pile of fixes for hotplug on pseries (that was seriously
bitrotting)
- The usual slew of freescale embedded updates, new boards, 64-bit
hiberation support, e6500 core PMU support, etc..."
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (146 commits)
powerpc: Correct FSCR bit definitions
powerpc/xmon: Fix printing of set of CPUs in xmon
powerpc/pseries: Move lparcfg.c to platforms/pseries
powerpc/powernv: Return secondary CPUs to firmware on kexec
powerpc/btext: Fix CONFIG_PPC_EARLY_DEBUG_BOOTX on ppc32
powerpc: Cleanup handling of the DSCR bit in the FSCR register
powerpc/pseries: Child nodes are not detached by dlpar_detach_node
powerpc/pseries: Add mising of_node_put in delete_dt_node
powerpc/pseries: Make dlpar_configure_connector parent node aware
powerpc/pseries: Do all node initialization in dlpar_parse_cc_node
powerpc/pseries: Fix parsing of initial node path in update_dt_node
powerpc/pseries: Pack update_props_workarea to map correctly to rtas buffer header
powerpc/pseries: Fix over writing of rtas return code in update_dt_node
powerpc/pseries: Fix creation of loop in device node property list
powerpc: Skip emulating & leave interrupts off for kernel program checks
powerpc: Add more exception trampolines for hypervisor exceptions
powerpc: Fix location and rename exception trampolines
powerpc: Add more trap names to xmon
powerpc/pseries: Add a warning in the case of cross-cpu VPA registration
powerpc: Update the 00-Index in Documentation/powerpc
...
Pull trivial tree from Jiri Kosina:
"The usual trivial updates all over the tree -- mostly typo fixes and
documentation updates"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (52 commits)
doc: Documentation/cputopology.txt fix typo
treewide: Convert retrun typos to return
Fix comment typo for init_cma_reserved_pageblock
Documentation/trace: Correcting and extending tracepoint documentation
mm/hotplug: fix a typo in Documentation/memory-hotplug.txt
power: Documentation: Update s2ram link
doc: fix a typo in Documentation/00-INDEX
Documentation/printk-formats.txt: No casts needed for u64/s64
doc: Fix typo "is is" in Documentations
treewide: Fix printks with 0x%#
zram: doc fixes
Documentation/kmemcheck: update kmemcheck documentation
doc: documentation/hwspinlock.txt fix typo
PM / Hibernate: add section for resume options
doc: filesystems : Fix typo in Documentations/filesystems
scsi/megaraid fixed several typos in comments
ppc: init_32: Fix error typo "CONFIG_START_KERNEL"
treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks
page_isolation: Fix a comment typo in test_pages_isolated()
doc: fix a typo about irq affinity
...
Pull HID updates from Jiri Kosina:
"Highlights:
- conversion of HID subsystem to use devm-based resource management,
from Benjamin Tissoires
- i2c-hid support for DT bindings, from Benjamin Tissoires
- much improved support for Win8-multitouch devices, from Benjamin
Tissoires
- cleanup of core code using common hidinput_input_event(), from
David Herrmann
- fix for bug in implement() access to the bit stream (causing oops)
that has been present in the code for ages, but devices that are
able to trigger it have started to appear only now, from Jiri
Kosina
- fixes for CVE-2013-2899, CVE-2013-2898, CVE-2013-2896,
CVE-2013-2892, CVE-2013-2888 (all triggerable only by specially
crafted malicious HW devices plugged into the system), from Kees
Cook
- hidraw oops fix, from Manoj Chourasia
- various smaller fixes here and there, support for a bunch of new
devices by various contributors"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (53 commits)
HID: MAINTAINERS: add roccat drivers
HID: hid-sensor-hub: change kmalloc + memcpy by kmemdup
HID: hid-sensor-hub: move to devm_kzalloc
HID: hid-sensor-hub: fix indentation accross the code
HID: move HID_REPORT_TYPES closer to the report-definitions
HID: check for NULL field when setting values
HID: picolcd_core: validate output report details
HID: sensor-hub: validate feature report details
HID: ntrig: validate feature report details
HID: pantherlord: validate output report details
HID: hid-wiimote: print small buffers via %*phC
HID: uhid: improve uhid example client
HID: Correct the USB IDs for the new Macbook Air 6
HID: wiimote: add support for Guitar-Hero guitars
HID: wiimote: add support for Guitar-Hero drums
Input: introduce BTN/ABS bits for drums and guitars
HID: battery: don't do DMA from stack
HID: roccat: add support for KonePureOptical v2
HID: picolcd: Prevent NULL pointer dereference on _remove()
HID: usbhid: quirk for N-Trig DuoSense Touch Screen
...
Pull ext3, reiserfs, udf & isofs fixes from Jan Kara:
"The contains a bunch of ext3 cleanups and minor improvements, major
reiserfs locking changes which should hopefully fix deadlocks
introduced by BKL removal, and udf/isofs changes to refuse mounting fs
rw instead of mounting it ro automatically which makes eject button
work as expected for all media (see the changelog for why userspace
should be ok with this change)"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
jbd: use a single printk for jbd_debug()
reiserfs: locking, release lock around quota operations
reiserfs: locking, handle nested locks properly
reiserfs: locking, push write lock out of xattr code
jbd: relocate assert after state lock in journal_commit_transaction()
udf: Refuse RW mount of the filesystem instead of making it RO
udf: Standardize return values in mount sequence
isofs: Refuse RW mount of the filesystem instead of making it RO
ext3: allow specifying external journal by pathname mount option
jbd: remove unneeded semicolon
This patch-set includes the following major enhancement patches.
o support inline xattrs
o add sysfs support to control GCs explicitly
o add proc entry to show the current segment usage information
o improve the GC/SSR performance
The other bug fixes are as follows.
o avoid the overflow on status calculation
o fix some error handling routines
o fix inconsistent xattr states after power-off-recovery
o fix incorrect xattr node offset definition
o fix deadlock condition in fsync
o fix the fdatasync routine for power-off-recovery
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Merge tag 'for-f2fs-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"This patch-set includes the following major enhancement patches:
- support inline xattrs
- add sysfs support to control GCs explicitly
- add proc entry to show the current segment usage information
- improve the GC/SSR performance
The other bug fixes are as follows:
- avoid the overflow on status calculation
- fix some error handling routines
- fix inconsistent xattr states after power-off-recovery
- fix incorrect xattr node offset definition
- fix deadlock condition in fsync
- fix the fdatasync routine for power-off-recovery"
* tag 'for-f2fs-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (40 commits)
f2fs: optimize gc for better performance
f2fs: merge more bios of node block writes
f2fs: avoid an overflow during utilization calculation
f2fs: trigger GC when there are prefree segments
f2fs: use strncasecmp() simplify the string comparison
f2fs: fix omitting to update inode page
f2fs: support the inline xattrs
f2fs: add the truncate_xattr_node function
f2fs: introduce __find_xattr for readability
f2fs: reserve the xattr space dynamically
f2fs: add flags for inline xattrs
f2fs: fix error return code in init_f2fs_fs()
f2fs: fix wrong BUG_ON condition
f2fs: fix memory leak when init f2fs filesystem fail
f2fs: fix a compound statement label error
f2fs: avoid writing inode redundantly when creating a file
f2fs: alloc_page() doesn't return an ERR_PTR
f2fs: should cover i_xattr_nid with its xattr node page lock
f2fs: check the free space first in new_node_page
f2fs: clean up the needless end 'return' of void function
...
w83792d was written by me in 2004, I'd like to update my first name
into my current one to keep consistent, and delete invalid address.
Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
The compatible string of the kirkwood-i2s driver was chosen as
"marvell,mvebu-audio". Using such a compatible string is not a good
idea, since "mvebu" is the name of a large family of SOCs, in which
new, unknown SOCs will be coming in the future. It is therefore
impossible to know what will be evolutions of this hardware block in
the next generations of the SOCs. For this reason, the recommandation
for compatible strings of on-SOCs devices has always been to use the
name of the oldest SOC that has the hardware block. New SOCs that have
an exactly compatible hardware block can reference it using the same
compatible string. See [1], [2] and [3] for various cases were this
suggestion was made, including from Rob Herring, a Device Tree binding
maintainer.
As an example, there are already small differences between current
generations:
* On Kirkwood, only one interrupt is used for audio.
* On Dove, two interrupts are used, one for audio data and one for
error reporting.
In the near future, I'll be adding audio support to Armada 370, which
allows has the same hardware block (but maybe with minor variants).
Therefore, this patch changes the driver to accept
"marvell,kirkwood-audio" and "marvell,dove-audio" as compatible
strings instead of the too-generic "marvell,mvebu-audio". The reason
for the two different compatible strings is the difference in the
number of interrupts used by the two SOCs for audio.
This Device Tree binding has never been part of a Linux kernel stable
release so far, so it can be changed now without breaking backward
compatibility.
[1] http://lists.infradead.org/pipermail/linux-mtd/2012-March/040417.html
[2] http://lists.infradead.org/pipermail/linux-arm-kernel/2013-April/161065.html
[3] http://lists.infradead.org/pipermail/linux-arm-kernel/2012-March/087702.html
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Currently the fscache code expect the netfs to call fscache_readpages_or_alloc
inside the aops readpages callback. It marks all the pages in the list
provided by readahead with PG_private_2. In the cases that the netfs fails to
read all the pages (which is legal) it ends up returning to the readahead and
triggering a BUG. This happens because the page list still contains marked
pages.
This patch implements a simple fscache_readpages_cancel function that the netfs
should call before returning from readpages. It will revoke the pages from the
underlying cache backend and unmark them.
The problem was originally worked out in the Ceph devel tree, but it also
occurs in CIFS. It appears that NFS, AFS and 9P are okay as read_cache_pages()
will clean up the unprocessed pages in the case of an error.
This can be used to address the following oops:
[12410647.597278] BUG: Bad page state in process petabucket pfn:3d504e
[12410647.597292] page:ffffea000f541380 count:0 mapcount:0 mapping:
(null) index:0x0
[12410647.597298] page flags: 0x200000000001000(private_2)
...
[12410647.597334] Call Trace:
[12410647.597345] [<ffffffff815523f2>] dump_stack+0x19/0x1b
[12410647.597356] [<ffffffff8111def7>] bad_page+0xc7/0x120
[12410647.597359] [<ffffffff8111e49e>] free_pages_prepare+0x10e/0x120
[12410647.597361] [<ffffffff8111fc80>] free_hot_cold_page+0x40/0x170
[12410647.597363] [<ffffffff81123507>] __put_single_page+0x27/0x30
[12410647.597365] [<ffffffff81123df5>] put_page+0x25/0x40
[12410647.597376] [<ffffffffa02bdcf9>] ceph_readpages+0x2e9/0x6e0 [ceph]
[12410647.597379] [<ffffffff81122a8f>] __do_page_cache_readahead+0x1af/0x260
[12410647.597382] [<ffffffff81122ea1>] ra_submit+0x21/0x30
[12410647.597384] [<ffffffff81118f64>] filemap_fault+0x254/0x490
[12410647.597387] [<ffffffff8113a74f>] __do_fault+0x6f/0x4e0
[12410647.597391] [<ffffffff810125bd>] ? __switch_to+0x16d/0x4a0
[12410647.597395] [<ffffffff810865ba>] ? finish_task_switch+0x5a/0xc0
[12410647.597398] [<ffffffff8113d856>] handle_pte_fault+0xf6/0x930
[12410647.597401] [<ffffffff81008c33>] ? pte_mfn_to_pfn+0x93/0x110
[12410647.597403] [<ffffffff81008cce>] ? xen_pmd_val+0xe/0x10
[12410647.597405] [<ffffffff81005469>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e
[12410647.597407] [<ffffffff8113f361>] handle_mm_fault+0x251/0x370
[12410647.597411] [<ffffffff812b0ac4>] ? call_rwsem_down_read_failed+0x14/0x30
[12410647.597414] [<ffffffff8155bffa>] __do_page_fault+0x1aa/0x550
[12410647.597418] [<ffffffff8108011d>] ? up_write+0x1d/0x20
[12410647.597422] [<ffffffff8113141c>] ? vm_mmap_pgoff+0xbc/0xe0
[12410647.597425] [<ffffffff81143bb8>] ? SyS_mmap_pgoff+0xd8/0x240
[12410647.597427] [<ffffffff8155c3ae>] do_page_fault+0xe/0x10
[12410647.597431] [<ffffffff81558818>] page_fault+0x28/0x30
Signed-off-by: Milosz Tanski <milosz@adfin.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Extend the fscache netfs API so that the netfs can ask as to whether a cache
object is up to date with respect to its corresponding netfs object:
int fscache_check_consistency(struct fscache_cookie *cookie)
This will call back to the netfs to check whether the auxiliary data associated
with a cookie is correct. It returns 0 if it is and -ESTALE if it isn't; it
may also return -ENOMEM and -ERESTARTSYS.
The backends now have to implement a mandatory operation pointer:
int (*check_consistency)(struct fscache_object *object)
that corresponds to the above API call. FS-Cache takes care of pinning the
object and the cookie in memory and managing this call with respect to the
object state.
Original-author: Hongyi Jia <jiayisuse@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Hongyi Jia <jiayisuse@gmail.com>
cc: Milosz Tanski <milosz@adfin.com>
Pull ARM updates from Russell King:
"This set includes adding support for Neon acceleration of RAID6 XOR
code from Ard Biesheuvel, cache flushing and barrier updates from Will
Deacon, and a cleanup to the ARM debug code which reduces the amount
of code by about 500 lines.
A few other cleanups, such as constifying the machine descriptors
which already shouldn't be written to, cleaning up the printing of the
L2 cache size"
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (55 commits)
ARM: 7826/1: debug: support debug ll on hisilicon soc
ARM: 7830/1: delay: don't bother reporting bogomips in /proc/cpuinfo
ARM: 7829/1: Add ".text.unlikely" and ".text.hot" to arm unwind tables
ARM: 7828/1: ARMv7-M: implement restart routine common to all v7-M machines
ARM: 7827/1: highbank: fix debug uart virtual address for LPAE
ARM: 7823/1: errata: workaround Cortex-A15 erratum 773022
ARM: 7806/1: allow DEBUG_UNCOMPRESS for Tegra
ARM: 7793/1: debug: use generic option for ep93xx PL10x debug port
ARM: debug: move SPEAr debug to generic PL01x code
ARM: debug: move davinci debug to generic 8250 code
ARM: debug: move keystone debug to generic 8250 code
ARM: debug: remove DEBUG_ROCKCHIP_UART
ARM: debug: provide generic option choices for 8250 and PL01x ports
ARM: debug: move PL01X debug include into arch/arm/include/debug/
ARM: debug: provide PL01x debug uart phys/virt address configuration options
ARM: debug: add support for word accesses to debug/8250.S
ARM: debug: move 8250 debug include into arch/arm/include/debug/
ARM: debug: provide 8250 debug uart phys/virt address configuration options
ARM: debug: provide 8250 debug uart register shift configuration option
ARM: debug: provide 8250 debug uart flow control configuration option
...
Support the collection of I/O statistics on user-defined regions of
a DM device. If no regions are defined no statistics are collected so
there isn't any performance impact. Only bio-based DM devices are
currently supported.
Each user-defined region specifies a starting sector, length and step.
Individual statistics will be collected for each step-sized area within
the range specified.
The I/O statistics counters for each step-sized area of a region are
in the same format as /sys/block/*/stat or /proc/diskstats but extra
counters (12 and 13) are provided: total time spent reading and
writing in milliseconds. All these counters may be accessed by sending
the @stats_print message to the appropriate DM device via dmsetup.
The creation of DM statistics will allocate memory via kmalloc or
fallback to using vmalloc space. At most, 1/4 of the overall system
memory may be allocated by DM statistics. The admin can see how much
memory is used by reading
/sys/module/dm_mod/parameters/stats_current_allocated_bytes
See Documentation/device-mapper/statistics.txt for more details.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Pull networking changes from David Miller:
"Noteworthy changes this time around:
1) Multicast rejoin support for team driver, from Jiri Pirko.
2) Centralize and simplify TCP RTT measurement handling in order to
reduce the impact of bad RTO seeding from SYN/ACKs. Also, when
both timestamps and local RTT measurements are available prefer
the later because there are broken middleware devices which
scramble the timestamp.
From Yuchung Cheng.
3) Add TCP_NOTSENT_LOWAT socket option to limit the amount of kernel
memory consumed to queue up unsend user data. From Eric Dumazet.
4) Add a "physical port ID" abstraction for network devices, from
Jiri Pirko.
5) Add a "suppress" operation to influence fib_rules lookups, from
Stefan Tomanek.
6) Add a networking development FAQ, from Paul Gortmaker.
7) Extend the information provided by tcp_probe and add ipv6 support,
from Daniel Borkmann.
8) Use RCU locking more extensively in openvswitch data paths, from
Pravin B Shelar.
9) Add SCTP support to openvswitch, from Joe Stringer.
10) Add EF10 chip support to SFC driver, from Ben Hutchings.
11) Add new SYNPROXY netfilter target, from Patrick McHardy.
12) Compute a rate approximation for sending in TCP sockets, and use
this to more intelligently coalesce TSO frames. Furthermore, add
a new packet scheduler which takes advantage of this estimate when
available. From Eric Dumazet.
13) Allow AF_PACKET fanouts with random selection, from Daniel
Borkmann.
14) Add ipv6 support to vxlan driver, from Cong Wang"
Resolved conflicts as per discussion.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1218 commits)
openvswitch: Fix alignment of struct sw_flow_key.
netfilter: Fix build errors with xt_socket.c
tcp: Add missing braces to do_tcp_setsockopt
caif: Add missing braces to multiline if in cfctrl_linkup_request
bnx2x: Add missing braces in bnx2x:bnx2x_link_initialize
vxlan: Fix kernel panic on device delete.
net: mvneta: implement ->ndo_do_ioctl() to support PHY ioctls
net: mvneta: properly disable HW PHY polling and ensure adjust_link() works
icplus: Use netif_running to determine device state
ethernet/arc/arc_emac: Fix huge delays in large file copies
tuntap: orphan frags before trying to set tx timestamp
tuntap: purge socket error queue on detach
qlcnic: use standard NAPI weights
ipv6:introduce function to find route for redirect
bnx2x: VF RSS support - VF side
bnx2x: VF RSS support - PF side
vxlan: Notify drivers for listening UDP port changes
net: usbnet: update addr_assign_type if appropriate
driver/net: enic: update enic maintainers and driver
driver/net: enic: Exposing symbols for Cisco's low latency driver
...
Pull media updates from Mauro Carvalho Chehab:
"This series contains:
- Exynos s5p-mfc driver got support for VP8 encoder
- Some SoC drivers gained support for asynchronous registration
(needed for DT)
- The RC subsystem gained support for RC activity LED;
- New drivers added: a video decoder(adv7842), a video encoder
(adv7511), a new GSPCA driver (stk1135) and support for Renesas
R-Car (vsp1)
- the first SDR kernel driver: mirics msi3101. Due to some troubles
with the driver, and because the API is still under discussion, it
will be merged at staging for 3.12. Need to rework on it
- usual new boards additions, fixes, cleanups and driver
improvements"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (242 commits)
[media] cx88: Fix regression: CX88_AUDIO_WM8775 can't be 0
[media] exynos4-is: Fix entity unregistration on error path
[media] exynos-gsc: Register v4l2 device
[media] exynos4-is: Fix fimc-lite bayer formats
[media] em28xx: fix assignment of the eeprom data
[media] hdpvr: fix iteration over uninitialized lists in hdpvr_probe()
[media] usbtv: Throw corrupted frames away
[media] usbtv: Fix deinterlacing
[media] v4l2: added missing mutex.h include to v4l2-ctrls.h
[media] DocBook: upgrade media_api DocBook version to 4.2
[media] ml86v7667: fix compile warning: 'ret' set but not used
[media] s5p-g2d: Fix registration failure
[media] media: coda: Fix DT driver data pointer for i.MX27
[media] s5p-mfc: Fix input/output format reporting
[media] v4l: vsp1: Fix mutex double lock at streamon time
[media] v4l: vsp1: Add support for RT clock
[media] v4l: vsp1: Initialize media device bus_info field
[media] davinci: vpif_capture: fix error return code in vpif_probe()
[media] davinci: vpif_display: fix error return code in vpif_probe()
[media] MAINTAINERS: add entries for adv7511 and adv7842
...
Pull drm tree changes from Dave Airlie:
"This is the main drm pull request, I have some overlap with sound and
arm-soc, the sound patch is acked and may conflict based on -next
reports but should be a trivial fixup, which I'll leave to you!
Highlights:
- new drivers:
MSM driver from Rob Clark
- non-drm:
switcheroo and hdmi audio driver support for secondary GPU
poweroff, so drivers can use runtime PM to poweroff the GPUs. This
can save 5 or 6W on some optimus laptops.
- drm core:
combined GEM and TTM VMA manager
per-filp mmap permission tracking
initial rendernode support (via a runtime enable for now, until we get api stable),
remove old proc support,
lots of cleanups of legacy code
hdmi vendor infoframes and 4k modes
lots of gem/prime locking and races fixes
async pageflip scaffolding
drm bridge objects
- i915:
Haswell PC8+ support and eLLC support, HDMI 4K support, initial
per-process VMA pieces, watermark reworks, convert to generic hdmi
infoframes, encoder reworking, fastboot support,
- radeon:
CIK PM support, remove 3d blit code in favour of DMA engines,
Berlin GPU support, HDMI audio fixes
- nouveau:
secondary GPU power down support for optimus laptops, lots of
fixes, use MSI, VP3 engine support
- exynos:
runtime pm support for g2d, DT support, remove non-DT,
- tda998x i2c driver:
lots of fixes for sync issues
- gma500:
lots of cleanups
- rcar:
add LVDS support, fbdev emulation,
- tegra:
just minor fixes"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (684 commits)
drm/exynos: Fix build error with exynos_drm_connector.c
drm/exynos: Remove non-DT support in exynos_drm_fimd
drm/exynos: Remove non-DT support in exynos_hdmi
drm/exynos: Remove non-DT support in exynos_drm_g2d
drm/exynos: Remove non-DT support in exynos_hdmiphy
drm/exynos: Remove non-DT support in exynos_ddc
drm/exynos: Make Exynos DRM drivers depend on OF
drm/exynos: Consider fallback option to allocation fail
drm/exynos: fimd: move platform data parsing to separate function
drm/exynos: fimd: get signal polarities from device tree
drm/exynos: fimd: replace struct fb_videomode with videomode
drm/exynos: check a pixel format to a particular window layer
drm/exynos: fix fimd pixel format setting
drm/exynos: Add NULL pointer check
drm/exynos: Remove redundant error messages
drm/exynos: Add missing of.h header include
drm/exynos: Remove redundant NULL check in exynos_drm_buf
drm/exynos: add device tree support for rotator
drm/exynos: Add missing includes
drm/exynos: add runtime pm interfaces to g2d driver
...
* Improvements to da8xx-fb to make it support v2 of the LCDC IP, used e.g. in
BeagleBone
* Himax HX8369 controller support
* Various small fixes and cleanups
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Merge tag 'fbdev-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev changes from Tomi Valkeinen:
- Improvements to da8xx-fb to make it support v2 of the LCDC IP, used
eg in BeagleBone
- Himax HX8369 controller support
- Various small fixes and cleanups
* tag 'fbdev-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (42 commits)
video: da8xx-fb: fix the polarities of the hsync/vsync pulse
video: da8xx-fb: support lcdc v2 timing register expansion
video: da8xx-fb: fixing timing off by one errors
video: da8xx-fb fixing incorrect porch mappings
video: xilinxfb: replace devm_request_and_ioremap by devm_ioremap_resource
fbmem: move EXPORT_SYMBOL annotation next to symbol declarations
drivers: video: fbcmap: remove the redundency and incorrect checkings
video: mxsfb: simplify use of devm_ioremap_resource
Release efifb's colormap in efifb_destroy()
at91/avr32/atmel_lcdfb: prepare clk before calling enable
video: exynos: Ensure definitions match prototypes
OMAPDSS: fix WARN_ON in 'alpha_blending_enabled' sysfs file
OMAPDSS: HDMI: Fix possible NULL reference
video: da8xx-fb: adding am33xx as dependency
video: da8xx-fb: let compiler decide what to inline
video: da8xx-fb: make clock naming consistent
video: da8xx-fb: set upstream clock rate (if reqd)
video: da8xx-fb: reorganize panel detection
video: da8xx-fb: ensure non-null cfg in pdata
video: da8xx-fb: use devres
...
Pull i2c updates from Wolfram Sang:
"Highlights:
- OF and ACPI helpers are now included in the core, and not in
external files anymore. This removes dependency problems for
modules and is cleaner, in general.
- mv64xxx-driver gains fifo usage to support mv78230
- imx-driver overhaul to support VF610
- various cleanups, most notably related to devm_* and CONFIG_PM
usage
- driver bugfixes and smaller feature additions"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (51 commits)
i2c: rcar: add rcar-H2 support
i2c: sirf: retry 3 times as sometimes we get random noack and timeout
i2c: sirf: support reverse direction of address
i2c: sirf: fix the typo for setting bitrate to less than 100k
i2c: sirf: we need to wait I2C_RESET status in resume
i2c: sirf: reset i2c controller early after we get a noack
i2c: designware: get SDA hold time, HCNT and LCNT configuration from ACPI
i2c: designware: make HCNT/LCNT values configurable
i2c: mpc: cleanup clock API use
i2c: pnx: fix error return code in i2c_pnx_probe()
i2c: ismt: add error return code in probe()
i2c: mv64xxx: fix typo in binding documentation
i2c: imx: use exact SoC revision to document binding
i2c: move ACPI helpers into the core
i2c: move OF helpers into the core
i2c: mv64xxx: Fix timing issue on Armada XP (errata FE-8471889)
i2c: mv64xxx: Add I2C Transaction Generator support
i2c: powermac: fix return path on error
Documentation: i2c: Fix example in instantiating-devices
i2c: tiny-usb: do not use stack as URB transfer_buffer
...
The current description of DTB placement requirements does not quite
match the kernel code in head.S: __vet_fdt and __create_page_tables.
This patch tweaks the text to match the actual requirements placed on
it by the code.
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Pull vfs pile 1 from Al Viro:
"Unfortunately, this merge window it'll have a be a lot of small piles -
my fault, actually, for not keeping #for-next in anything that would
resemble a sane shape ;-/
This pile: assorted fixes (the first 3 are -stable fodder, IMO) and
cleanups + %pd/%pD formats (dentry/file pathname, up to 4 last
components) + several long-standing patches from various folks.
There definitely will be a lot more (starting with Miklos'
check_submount_and_drop() series)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (26 commits)
direct-io: Handle O_(D)SYNC AIO
direct-io: Implement generic deferred AIO completions
add formats for dentry/file pathnames
kvm eventfd: switch to fdget
powerpc kvm: use fdget
switch fchmod() to fdget
switch epoll_ctl() to fdget
switch copy_module_from_fd() to fdget
git simplify nilfs check for busy subtree
ibmasmfs: don't bother passing superblock when not needed
don't pass superblock to hypfs_{mkdir,create*}
don't pass superblock to hypfs_diag_create_files
don't pass superblock to hypfs_vm_create_files()
oprofile: get rid of pointless forward declarations of struct super_block
oprofilefs_create_...() do not need superblock argument
oprofilefs_mkdir() doesn't need superblock argument
don't bother with passing superblock to oprofile_create_stats_files()
oprofile: don't bother with passing superblock to ->create_files()
don't bother passing sb to oprofile_create_files()
coh901318: don't open-code simple_read_from_buffer()
...
Previously, it was possible to have more than one symbol with the
'option modules' attached to them, although only the last one would
in fact control tristates.
Since this does not make much sense, only allow at most one symbol to
control tristates.
Note: it is still possible to have more than one symbol that control
tristates, but indirectly:
config MOD1
bool "mod1"
select MODULES
config MOD2
bool "mod2"
select MODULES
config MODULES
bool
option modules
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
From Anatolij:
<<
There are cleanups for some mpc5121 specific drivers and DTS files
in preparation to switch mpc5121 clock support to a clock driver
based on common clock framework. Additionally Sebastian fixed the
mpc52xx PIC driver so that it builds when using older gcc versions.
>>
The exynos4 platform is only dt-based since 3.10, we should convert driver data
and ids to dt-based parsing methods. The rotator driver has a limit table to get
size limit of input picture. Each SoCs has slightly different limit value
compared with any others.
For example, exynos4210's max_size of RGB888 is 16k x 16k. But, others have
8k x 8k. Another example the exynos5250 should have multiple of 2 pixel size
for its X/Y axis. Thus, we should keep different tables for each of them.
This patch also includes desciptions of each nodes for the rotator and specifies
a example how to bind it.
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Pull KVM updates from Gleb Natapov:
"The highlights of the release are nested EPT and pv-ticketlocks
support (hypervisor part, guest part, which is most of the code, goes
through tip tree). Apart of that there are many fixes for all arches"
Fix up semantic conflicts as discussed in the pull request thread..
* 'next' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (88 commits)
ARM: KVM: Add newlines to panic strings
ARM: KVM: Work around older compiler bug
ARM: KVM: Simplify tracepoint text
ARM: KVM: Fix kvm_set_pte assignment
ARM: KVM: vgic: Bump VGIC_NR_IRQS to 256
ARM: KVM: Bugfix: vgic_bytemap_get_reg per cpu regs
ARM: KVM: vgic: fix GICD_ICFGRn access
ARM: KVM: vgic: simplify vgic_get_target_reg
KVM: MMU: remove unused parameter
KVM: PPC: Book3S PR: Rework kvmppc_mmu_book3s_64_xlate()
KVM: PPC: Book3S PR: Make instruction fetch fallback work for system calls
KVM: PPC: Book3S PR: Don't corrupt guest state when kernel uses VMX
KVM: x86: update masterclock when kvmclock_offset is calculated (v2)
KVM: PPC: Book3S: Fix compile error in XICS emulation
KVM: PPC: Book3S PR: return appropriate error when allocation fails
arch: powerpc: kvm: add signed type cast for comparation
KVM: x86: add comments where MMIO does not return to the emulator
KVM: vmx: count exits to userspace during invalid guest emulation
KVM: rename __kvm_io_bus_sort_cmp to kvm_io_bus_cmp
kvm: optimize away THP checks in kvm_is_mmio_pfn()
...
- Xen Trusted Platform Module (TPM) frontend driver - with the backend in MiniOS.
- Scalability improvements in event channel.
- Two extra Xen co-maintainers (David, Boris) and one going away (Jeremy)
Bug-fixes:
- Make the 1:1 mapping work during early bootup on selective regions.
- Add scratch page to balloon driver to deal with unexpected code still holding
on stale pages.
- Allow NMIs on PV guests (64-bit only)
- Remove unnecessary TLB flush in M2P code.
- Fixes duplicate callbacks in Xen granttable code.
- Fixes in PRIVCMD_MMAPBATCH ioctls to allow retries
- Fix for events being lost due to rescheduling on different VCPUs.
- More documentation.
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Merge tag 'stable/for-linus-3.12-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen updates from Konrad Rzeszutek Wilk:
"A couple of features and a ton of bug-fixes. There is also some
maintership changes. Jeremy is enjoying the full-time work at the
startup and as much as he would love to help - he can't find the time.
I have a bunch of other things that I promised to work on - paravirt
diet, get SWIOTLB working everywhere, etc, but haven't been able to
find the time.
As such both David Vrabel and Boris Ostrovsky have graciously
volunteered to help with the maintership role. They will keep the lid
on regressions, bug-fixes, etc. I will be in the background to help -
but eventually there will be less of me doing the Xen GIT pulls and
more of them. Stefano is still doing the ARM/ARM64 and will continue
on doing so.
Features:
- Xen Trusted Platform Module (TPM) frontend driver - with the
backend in MiniOS.
- Scalability improvements in event channel.
- Two extra Xen co-maintainers (David, Boris) and one going away (Jeremy)
Bug-fixes:
- Make the 1:1 mapping work during early bootup on selective regions.
- Add scratch page to balloon driver to deal with unexpected code
still holding on stale pages.
- Allow NMIs on PV guests (64-bit only)
- Remove unnecessary TLB flush in M2P code.
- Fixes duplicate callbacks in Xen granttable code.
- Fixes in PRIVCMD_MMAPBATCH ioctls to allow retries
- Fix for events being lost due to rescheduling on different VCPUs.
- More documentation"
* tag 'stable/for-linus-3.12-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (23 commits)
hvc_xen: Remove unnecessary __GFP_ZERO from kzalloc
drivers/xen-tpmfront: Fix compile issue with missing option.
xen/balloon: don't set P2M entry for auto translated guest
xen/evtchn: double free on error
Xen: Fix retry calls into PRIVCMD_MMAPBATCH*.
xen/pvhvm: Initialize xen panic handler for PVHVM guests
xen/m2p: use GNTTABOP_unmap_and_replace to reinstate the original mapping
xen: fix ARM build after 6efa20e4
MAINTAINERS: Remove Jeremy from the Xen subsystem.
xen/events: document behaviour when scanning the start word for events
x86/xen: during early setup, only 1:1 map the ISA region
x86/xen: disable premption when enabling local irqs
swiotlb-xen: replace dma_length with sg_dma_len() macro
swiotlb: replace dma_length with sg_dma_len() macro
xen/balloon: set a mapping for ballooned out pages
xen/evtchn: improve scalability by using per-user locks
xen/p2m: avoid unneccesary TLB flush in m2p_remove_override()
MAINTAINERS: Add in two extra co-maintainers of the Xen tree.
MAINTAINERS: Update the Xen subsystem's with proper mailing list.
xen: replace strict_strtoul() with kstrtoul()
...
* Added aggressive extent caching using the extent status tree. This
can actually decrease memory usage in read-mostly workloads since
the information is much more compactly stored in the extent status
tree than if we had to keep the extent tree metadata blocks in the
buffer cache. This also improves Asynchronous I/O since it is it
makes much less likely that we need to do metadata I/O to lookup the
extent tree information.
* Improve the recovery after corrupted allocation bitmaps are found
when running in errors=ignore mode.
Also fixed some writeback vs. truncate races when using a blocksize
less than the page size.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"New features for 3.12:
- Added aggressive extent caching using the extent status tree. This
can actually decrease memory usage in read-mostly workloads since
the information is much more compactly stored in the extent status
tree than if we had to keep the extent tree metadata blocks in the
buffer cache. This also improves Asynchronous I/O since it is it
makes much less likely that we need to do metadata I/O to lookup
the extent tree information.
- Improve the recovery after corrupted allocation bitmaps are found
when running in errors=ignore mode.
Also fixed some writeback vs truncate races when using a blocksize
less than the page size"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
ext4: allow specifying external journal by pathname mount option
ext4: mark group corrupt on group descriptor checksum
ext4: mark block group as corrupt on inode bitmap error
ext4: mark block group as corrupt on block bitmap error
ext4: fix type declaration of ext4_validate_block_bitmap
ext4: error out if verifying the block bitmap fails
jbd2: Fix endian mixing problems in the checksumming code
ext4: isolate ext4_extents.h file
ext4: Fix misspellings using 'codespell' tool
ext4: convert write_begin methods to stable_page_writes semantics
ext4: fix use of potentially uninitialized variables in debugging code
ext4: fix lost truncate due to race with writeback
ext4: simplify truncation code in ext4_setattr()
ext4: fix ext4_writepages() in presence of truncate
ext4: move test whether extent to map can be extended to one place
ext4: fix warning in ext4_da_update_reserve_space()
quota: provide interface for readding allocated space into reserved space
ext4: avoid reusing recently deleted inodes in no journal mode
ext4: allocate delayed allocation blocks before rename
ext4: start handle at least possible moment when renaming files
...
- HDPM: Updates for AIO/RayDAT support, TCO/sync support
- RME96: Add PCM sync support
- HD-audio:
* A few HDMI/DP audio updates (CA assignment fix, stream switching
fix, Intel DP device list support)
* Device specific fixes (ASUS/CXT HP mic support, Thinkpad mic
improvements, Chromebook fixes, STAC9228 Dell fixes)
* Replace the all static quirks for AD codecs with the generic
parser
* WAKEEN support for handling irqs in the power saving mode
- USB-audio: Clean up implicit fb handling and related codes
- DAPM is now mandatory for ASoC CODEC drivers; all existing drivers
have had some level of DAPM support added. In addition, a lot of
cleanups and improvements in DAPM.
- Support for ASoC cross-platform compile test
- New drivers and support for Analog Devices ADAU1702 and ADAU1401(a),
Asahi Kasei Microdevices AK4554, Atmel AT91ASM9x5 and WM8904 based
machines, Freescale S/PDIF and SSI AC'97, Renesas R-Car SoCs, Samsung
Exynos5420 SoCs, Texas Instruments PCM1681 and PCM1792A and Wolfson
Microelectronics WM8997
- DT bindings for kirkwood and i.MX S/PDIF
- Clean up and bug fixes: ssm2602, rt5640 and sgtl5000.
- Core helpers for bitbanged AC'97 reset
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Merge tag 'sound-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Changes are seen in a wide range of codes, mainly due to ASoC DAPM
requirements; HD-audio shows a high peak in diffstat, it's just a
removal of bunch of old static quirks.
Some highlights:
- HDPM: Updates for AIO/RayDAT support, TCO/sync support
- RME96: Add PCM sync support
- HD-audio:
* A few HDMI/DP audio updates (CA assignment fix, stream switching
fix, Intel DP device list support)
* Device specific fixes (ASUS/CXT HP mic support, Thinkpad mic
improvements, Chromebook fixes, STAC9228 Dell fixes)
* Replace the all static quirks for AD codecs with the generic
parser
* WAKEEN support for handling irqs in the power saving mode
- USB-audio: Clean up implicit fb handling and related codes
- DAPM is now mandatory for ASoC CODEC drivers; all existing drivers
have had some level of DAPM support added. In addition, a lot of
cleanups and improvements in DAPM.
- Support for ASoC cross-platform compile test
- New drivers and support for Analog Devices ADAU1702 and
ADAU1401(a), Asahi Kasei Microdevices AK4554, Atmel AT91ASM9x5 and
WM8904 based machines, Freescale S/PDIF and SSI AC'97, Renesas
R-Car SoCs, Samsung Exynos5420 SoCs, Texas Instruments PCM1681 and
PCM1792A and Wolfson Microelectronics WM8997
- DT bindings for kirkwood and i.MX S/PDIF
- Clean up and bug fixes: ssm2602, rt5640 and sgtl5000.
- Core helpers for bitbanged AC'97 reset"
* tag 'sound-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (375 commits)
ALSA: hda - Re-setup HDMI pin and audio infoframe on stream switches
ALSA: hda - hdmi: Fallback to ALSA allocation when selecting CA
ASoC: mxs-sgtl5000: Configure the dai_links as unidirectional
ASoC: soc-pcm: Allow to specify unidirectional dai_link
ASoC: fsl_spdif: Staticse non-exported symbols
ASoC: ssm2602: Fix cache sync
ASoC: Remove unused sysfs_registered field from snd_soc_codec struct
ASoC: Remove unused debugfs_dapm field from snd_soc_{platform,codec} struct
ASoC: Remove unused control_type field from snd_soc_codec struct
ASoC: fsl: Add one blank space after ':=' in Makefile
ASoC: fsl: Add wrapping for dev_dbg() in fsl_spdif.c
ASoC: rt5640: change widget sequence for depop
ASoC: dapm: Fix auto-disable for inverted controls
ASoC: fsl: Drop SND_SOC_FSL_UTILS from SND_SOC_IMX_SPDIF
ASoC: Samsung: Do not queue cyclic buffers multiple times
ASoC: ep93xx-i2s: Remove unnecessary dev_set_drvdata()
ASoC: designware_i2s: Remove unnecessary dev_set_drvdata()
ASoC: fsl_spdif: remove redundant dev_err call in fsl_spdif_probe()
ASoC: fsl: Add S/PDIF machine driver
ASoc: kirkwood: Use the Kirkwood audio driver in Dove boards
...
- Refactorings for generic pin config handling in the core.
- Factor out a set of device tree utilities for use in all
drivers, to parse and allocate maps from the device tree.
- Some fixes to the core such as more nitpicky locking.
- Pushed down config array iteration into the drivers.
This patch is necessary for drivers that want to iterate
over configs and pile up a stack of alterations to the
same register(s), or if the driver wants to take a local
spinlock when committing the configuration.
- A new driver for the Texas Instruments Palmas PMIC by
Laxman Dewangan. This is used on the Tegra systems.
- A major cleanup and modernization of the PFC (Super Hitachi
and ARM SHmobile) pin controller and subdrivers.
- Support for the A20 and A31 sunxi (AllWinner) SoCs.
- A huge pile of fixes and cleanups: Axel Lin, Jingoo Han
Dan Carpenter, Julia Lawall and Sachin Kamat did an
excellent job here.
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Merge tag 'pinctrl-v3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control changes from Linus Walleij:
"Here is the bulk of pin control changes for the v3.12 series. Most of
the relevant information is in the tag.
I merged in v3.11-rc7 last week to get rid of a largeish conflict
within the sunxi (AllWinner) driver in linux-next and fix up the
non-trivial merge the right way. That driver had a rather large fix
adding locking late in the release cycle.
Overall the bulk changes this time is cleanups and refactorings and
not much new features, which is nice.
- Refactorings for generic pin config handling in the core.
- Factor out a set of device tree utilities for use in all drivers,
to parse and allocate maps from the device tree.
- Some fixes to the core such as more nitpicky locking.
- Pushed down config array iteration into the drivers.
This patch is necessary for drivers that want to iterate over
configs and pile up a stack of alterations to the same register(s),
or if the driver wants to take a local spinlock when committing the
configuration.
- A new driver for the Texas Instruments Palmas PMIC by Laxman
Dewangan. This is used on the Tegra systems.
- A major cleanup and modernization of the PFC (Super Hitachi and ARM
SHmobile) pin controller and subdrivers.
- Support for the A20 and A31 sunxi (AllWinner) SoCs.
- A huge pile of fixes and cleanups: Axel Lin, Jingoo Han Dan
Carpenter, Julia Lawall and Sachin Kamat did an excellent job here"
* tag 'pinctrl-v3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (124 commits)
pinctrl: sunxi: Fix off-by-one for valid offset range checking
pinctrl: sunxi: drop lock on error path
pinctrl: pinconf-generic: Remove ti prefix in dev_err messages
pinctrl: rockchip: Implement .request() and .free() callbacks
pinctrl: at91: fix get_pullup/down function return
pinctrl: sh-pfc: remove unnecessary platform_set_drvdata()
pinctrl: Add s5pv210 support to pinctrl-exynos
pinctrl: utils: include export.h to avoid warnings
pinctrl: s3c24xx: off by one in s3c24xx_eint_init()
pinctrl: mvebu: testing the wrong variable
pinctrl: abx500: fix bitwise AND test
pinctrl: mvebu: Convert to use devm_ioremap_resource
pinctrl: Pass all configs to driver on pin_config_set()
pinctrl: tz1090-pdc: Convert to devm_ioremap_resource
pinctrl: tz1090: Convert to devm_ioremap_resource
pinctrl: tegra: Convert to devm_ioremap_resource
pinctrl: rockchip: Simplify pin_to_bank equation
pinctrl: spear: Convert to devm_ioremap_resource
pinctrl: rockchip: Remove of_match_ptr macro for DT only driver
pinctrl: palmas: PINCTRL_PALMAS needs to select PINMUX
...
Document force_mld_version parameter in ip-sysctl.txt.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull x86 RAS changes from Ingo Molnar:
"[ The reason for drivers/ updates is that Boris asked for the
drivers/edac/ changes to go via x86/ras in this cycle ]
Main changes:
- AMD CPUs:
. Add ECC event decoding support for new F15h models
. Various erratum fixes
. Fix single-channel on dual-channel-controllers bug.
- Intel CPUs:
. UC uncorrectable memory error parsing fix
. Add support for CMC (Corrected Machine Check) 'FF' (Firmware
First) flag in the APEI HEST
- Various cleanups and fixes"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
amd64_edac: Fix incorrect wraparounds
amd64_edac: Correct erratum 505 range
cpc925_edac: Use proper array termination
x86/mce, acpi/apei: Only disable banks listed in HEST if mce is configured
amd64_edac: Get rid of boot_cpu_data accesses
amd64_edac: Add ECC decoding support for newer F15h models
x86, amd_nb: Clarify F15h, model 30h GART and L3 support
pci_ids: Add PCI device ID functions 3 and 4 for newer F15h models.
x38_edac: Make a local function static
i3200_edac: Make a local function static
x86/mce: Pay no attention to 'F' bit in MCACOD when parsing 'UC' errors
APEI/ERST: Fix error message formatting
amd64_edac: Fix single-channel setups
EDAC: Replace strict_strtol() with kstrtol()
mce: acpi/apei: Soft-offline a page on firmware GHES notification
mce: acpi/apei: Add a boot option to disable ff mode for corrected errors
mce: acpi/apei: Honour Firmware First for MCA banks listed in APEI HEST CMC
The Ralink RT3883 SoCs have a built-in PCI Host Controller
device. The patch adds a platform driver and device tree
binding documentation for that.
The patch also enables the HW_HAS_PCI config option. This
is required in order to be able to enable the PCI support.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5758/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Pull x86 mm changes from Ingo Molnar:
"Misc smaller fixes:
- a parse_setup_data() boot crash fix
- a memblock and an __early_ioremap cleanup
- turn the always-on CONFIG_ARCH_MEMORY_PROBE=y into a configurable
option and turn it off - it's an unrobust debug facility, it
shouldn't be enabled by default"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: avoid remapping data in parse_setup_data()
x86: Use memblock_set_current_limit() to set limit for memblock.
mm: Remove unused variable idx0 in __early_ioremap()
mm/hotplug, x86: Disable ARCH_MEMORY_PROBE by default
Rename the new 'recover_locks' kernel parameter to 'recover_lost_locks'
and change the default to 'false'. Document why in
Documentation/kernel-parameters.txt
Move the 'recover_lost_locks' kernel parameter to fs/nfs/super.c to
make it easy to backport to kernels prior to 3.6.x, which don't have
a separate NFSv4 module.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Pull RCU updates from Ingo Molnar:
"Main RCU changes this cycle were:
- Full-system idle detection. This is for use by Frederic
Weisbecker's adaptive-ticks mechanism. Its purpose is to allow the
timekeeping CPU to shut off its tick when all other CPUs are idle.
- Miscellaneous fixes.
- Improved rcutorture test coverage.
- Updated RCU documentation"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (30 commits)
nohz_full: Force RCU's grace-period kthreads onto timekeeping CPU
nohz_full: Add full-system-idle state machine
jiffies: Avoid undefined behavior from signed overflow
rcu: Simplify _rcu_barrier() processing
rcu: Make rcutorture emit online failures if verbose
rcu: Remove unused variable from rcu_torture_writer()
rcu: Sort rcutorture module parameters
rcu: Increase rcutorture test coverage
rcu: Add duplicate-callback tests to rcutorture
doc: Fix memory-barrier control-dependency example
rcu: Update RTFP documentation
nohz_full: Add full-system-idle arguments to API
nohz_full: Add full-system idle states and variables
nohz_full: Add per-CPU idle-state tracking
nohz_full: Add rcu_dyntick data for scalable detection of all-idle state
nohz_full: Add Kconfig parameter for scalable detection of all-idle state
nohz_full: Add testing information to documentation
rcu: Eliminate unused APIs intended for adaptive ticks
rcu: Select IRQ_WORK from TREE_PREEMPT_RCU
rculist: list_first_or_null_rcu() should use list_entry_rcu()
...
Sync with Linus' tree to be able to apply fixup patch on top
of 9d9a04ee75 ("HID: apple: Add support for the 2013 Macbook Air")
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
A set of patches makes the device tree documentation for the various PWM
drivers more consistent. Device tree support is added to the Renesas TPU
driver. The sysfs interface now makes use of dev_groups. Other than that
there is a healthy assortment of fixes and enhancements for minor issues
that have shown up.
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Merge tag 'for-3.12-rc1' of git://gitorious.org/linux-pwm/linux-pwm
Pull pwm changes from Thierry Reding:
"A set of patches makes the device tree documentation for the various
PWM drivers more consistent. Device tree support is added to the
Renesas TPU driver. The sysfs interface now makes use of dev_groups.
Other than that there is a healthy assortment of fixes and
enhancements for minor issues that have shown up"
* tag 'for-3.12-rc1' of git://gitorious.org/linux-pwm/linux-pwm:
pwm: pxa: Use module_platform_driver
pwm: tiehrpwm: add missing __iomem annotation
pwm: tiecap: add CONFIG_PM_SLEEP to ecap_pwm_{save,restore}_context()
pwm: simplify use of devm_ioremap_resource
pwm: renesas-tpu: Add DT support
ARM: dts: Use the PWM polarity flags
pwm: Update DT bindings to reference pwm.txt for cells documentation
pwm: Use the DT macro directly when parsing PWM DT flags
pwm: Add PWM polarity flag macro for DT
pwm: mxs: Check the return value from stmp_reset_block()
pwm: convert class code to use dev_groups
New formats: %p[dD][234]?. The next pointer is interpreted as struct dentry *
or struct file * resp. ('d' => dentry, 'D' => file) and the last component(s)
of pathname are printed (%pd => just the last one, %pd2 => the last two, etc.)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
John W. Linville says:
====================
Please accept this batch of updates intended for the 3.12 stream.
For the mac80211 bits, Johannes says this:
"This time I have various improvements all over the place: IBSS, mesh,
testmode, AP client powersave handling, one of the rare rfkill patches
and some code cleanup."
Also for mac80211:
"And I also have some more changes for -next, just a few small fixes and
improvements, nothing really stands out."
And for iwlwifi:
"This time I have some powersave work (notably uAPSD support), CQM
offloads, support for a new firmware API and various code cleanups."
Regarding the Bluetooth bits, Gustavo says:
"Patches to 3.12, here we have:
* implementation of a proper tty_port for RFCOMM devices, this fixes some
issues people were seeing lately in the kernel.
* Add voice_setting option for SCO, it is used for SCO Codec selection
* bugfixes, small improvements and clean ups"
For the NFC bits, Samuel says:
"With this one we have:
- A few pn533 improvements and minor fixes. Testing our pn533 driver
against Google's NCI stack triggered a few issues that we fixed now.
We also added Tx fragmentation support to this driver.
- More NFC secure element handling. We added a GET_SE netlink command
for getting all the discovered secure elements, and we defined 2
additional secure element netlink event (transaction and connectivity).
We also fixed a couple of typos and copy-paste bugs from the secure
element handling code.
- Firmware download support for the pn544 driver. This chipset can enter a
special mode where it's waiting for firmware blobs to replace the
already flashed one. We now support that mode."
With repect to the ath tree, Kalle says:
"New features in ath10k are rx/tx checsumming in hw and survey scan
implemented by Michal. Also he made fixes to different areas of the
driver, most notable being fixing the case when using two streams and
reducing the number of interface combinations to avoid firmware crashes.
Bartosz did a clean related to how we handle SoC power save in PCI
layer.
For ath6kl Mohammed and Vasanth sent each a patch to fix two infrequent
crashes."
I also pulled the wireless tree into wireless-next to support a
request from Johannes. On top of all that, there are the usual
sort of driver updates. The mwifiex, brcmfmac, brcmsmac, ath9k,
and rt2x00 drivers all get some attention, as does the bcma bus and
a few other random bits here and there.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull libata changes from Tejun Heo:
"Two interesting changes.
- libata acpi handling has been restructured so that the association
between ata devices and ACPI handles are less convoluted. This
change shouldn't change visible behavior.
- Queued TRIM support, which enables sending TRIM to the device
without draining in-flight RW commands, is added. Currently only
enabled for ahci (and likely to stay that way for the foreseeable
future).
Other changes are driver-specific updates / fixes"
* 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata: bugfix: Remove __le32 in ata_tf_to_fis()
libata: acpi: Remove ata_dev_acpi_handle stub in libata.h
libata: Add support for queued DSM TRIM
libata: Add support for SEND/RECEIVE FPDMA QUEUED
libata: Add H2D FIS "auxiliary" port flag
libata: Populate host-to-device FIS "auxiliary" field
ata: acpi: rework the ata acpi bind support
sata, highbank: send extra clock cycles in SGPIO patterns
sata, highbank: set tx_atten override bits
devicetree: create a separate binding description for sata_highbank
drivers/ata/sata_rcar.c: simplify use of devm_ioremap_resource
sata highbank: enable 64-bit DMA mask when using LPAE
ata: pata_samsung_cf: add missing __iomem annotation
ata: pata_arasan: Staticize local symbols
sata_mv: Remove unneeded CONFIG_HAVE_CLK ifdefs
ata: use dev_get_platdata()
sata_mv: Remove unneeded forward declaration
libata: acpi: remove dead code for ata_acpi_(un)bind
libata: move 'struct ata_taskfile' and friends from ata.h to libata.h
Pull workqueue updates from Tejun Heo:
"Nothing interesting. All are doc / comment updates"
* 'for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Correct/Drop references to gcwq in Documentation
workqueue: Fix manage_workers() RETURNS description
workqueue: Comment correction in file header
workqueue: mark WQ_NON_REENTRANT deprecated
1) ACPI-based PCI hotplug (ACPIPHP) subsystem rework and introduction
of Intel Thunderbolt support on systems that use ACPI for signalling
Thunderbolt hotplug events. This also should make ACPIPHP work in
some cases in which it was known to have problems. From
Rafael J Wysocki, Mika Westerberg and Kirill A Shutemov.
2) ACPI core code cleanups and dock station support cleanups from
Jiang Liu and Rafael J Wysocki.
3) Fixes for locking problems related to ACPI device hotplug from
Rafael J Wysocki.
4) ACPICA update to version 20130725 includig fixes, cleanups, support
for more than 256 GPEs per GPE block and a change to make the ACPI
PM Timer optional (we've seen systems without the PM Timer in the
field already). One of the fixes, related to the DeRefOf operator,
is necessary to prevent some Windows 8 oriented AML from causing
problems to happen. From Bob Moore, Lv Zheng, and Jung-uk Kim.
5) Removal of the old and long deprecated /proc/acpi/event interface
and related driver changes from Thomas Renninger.
6) ACPI and Xen changes to make the reduced hardware sleep work with
the latter from Ben Guthro.
7) ACPI video driver cleanups and a blacklist of systems that should
not tell the BIOS that they are compatible with Windows 8 (or ACPI
backlight and possibly other things will not work on them). From
Felipe Contreras.
8) Assorted ACPI fixes and cleanups from Aaron Lu, Hanjun Guo,
Kuppuswamy Sathyanarayanan, Lan Tianyu, Sachin Kamat, Tang Chen,
Toshi Kani, and Wei Yongjun.
9) cpufreq ondemand governor target frequency selection change to
reduce oscillations between min and max frequencies (essentially,
it causes the governor to choose target frequencies proportional
to load) from Stratos Karafotis.
10) cpufreq fixes allowing sysfs attributes file permissions to be
preserved over suspend/resume cycles Srivatsa S Bhat.
11) Removal of Device Tree parsing for CPU device nodes from multiple
cpufreq drivers that required some changes related to
of_get_cpu_node() to be made in a few architectures and in the
driver core. From Sudeep KarkadaNagesha.
12) cpufreq core fixes and cleanups related to mutual exclusion and
driver module references from Viresh Kumar, Lukasz Majewski and
Rafael J Wysocki.
13) Assorted cpufreq fixes and cleanups from Amit Daniel Kachhap,
Bartlomiej Zolnierkiewicz, Hanjun Guo, Jingoo Han, Joseph Lo,
Julia Lawall, Li Zhong, Mark Brown, Sascha Hauer, Stephen Boyd,
Stratos Karafotis, and Viresh Kumar.
14) Fixes to prevent race conditions in coupled cpuidle from happening
from Colin Cross.
15) cpuidle core fixes and cleanups from Daniel Lezcano and
Tuukka Tikkanen.
16) Assorted cpuidle fixes and cleanups from Daniel Lezcano,
Geert Uytterhoeven, Jingoo Han, Julia Lawall, Linus Walleij,
and Sahara.
17) System sleep tracing changes from Todd E Brandt and Shuah Khan.
18) PNP subsystem conversion to using struct dev_pm_ops for power
management from Shuah Khan.
/
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Merge tag 'pm+acpi-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
1) ACPI-based PCI hotplug (ACPIPHP) subsystem rework and introduction
of Intel Thunderbolt support on systems that use ACPI for signalling
Thunderbolt hotplug events. This also should make ACPIPHP work in
some cases in which it was known to have problems. From
Rafael J Wysocki, Mika Westerberg and Kirill A Shutemov.
2) ACPI core code cleanups and dock station support cleanups from
Jiang Liu and Rafael J Wysocki.
3) Fixes for locking problems related to ACPI device hotplug from
Rafael J Wysocki.
4) ACPICA update to version 20130725 includig fixes, cleanups, support
for more than 256 GPEs per GPE block and a change to make the ACPI
PM Timer optional (we've seen systems without the PM Timer in the
field already). One of the fixes, related to the DeRefOf operator,
is necessary to prevent some Windows 8 oriented AML from causing
problems to happen. From Bob Moore, Lv Zheng, and Jung-uk Kim.
5) Removal of the old and long deprecated /proc/acpi/event interface
and related driver changes from Thomas Renninger.
6) ACPI and Xen changes to make the reduced hardware sleep work with
the latter from Ben Guthro.
7) ACPI video driver cleanups and a blacklist of systems that should
not tell the BIOS that they are compatible with Windows 8 (or ACPI
backlight and possibly other things will not work on them). From
Felipe Contreras.
8) Assorted ACPI fixes and cleanups from Aaron Lu, Hanjun Guo,
Kuppuswamy Sathyanarayanan, Lan Tianyu, Sachin Kamat, Tang Chen,
Toshi Kani, and Wei Yongjun.
9) cpufreq ondemand governor target frequency selection change to
reduce oscillations between min and max frequencies (essentially,
it causes the governor to choose target frequencies proportional
to load) from Stratos Karafotis.
10) cpufreq fixes allowing sysfs attributes file permissions to be
preserved over suspend/resume cycles Srivatsa S Bhat.
11) Removal of Device Tree parsing for CPU device nodes from multiple
cpufreq drivers that required some changes related to
of_get_cpu_node() to be made in a few architectures and in the
driver core. From Sudeep KarkadaNagesha.
12) cpufreq core fixes and cleanups related to mutual exclusion and
driver module references from Viresh Kumar, Lukasz Majewski and
Rafael J Wysocki.
13) Assorted cpufreq fixes and cleanups from Amit Daniel Kachhap,
Bartlomiej Zolnierkiewicz, Hanjun Guo, Jingoo Han, Joseph Lo,
Julia Lawall, Li Zhong, Mark Brown, Sascha Hauer, Stephen Boyd,
Stratos Karafotis, and Viresh Kumar.
14) Fixes to prevent race conditions in coupled cpuidle from happening
from Colin Cross.
15) cpuidle core fixes and cleanups from Daniel Lezcano and
Tuukka Tikkanen.
16) Assorted cpuidle fixes and cleanups from Daniel Lezcano,
Geert Uytterhoeven, Jingoo Han, Julia Lawall, Linus Walleij,
and Sahara.
17) System sleep tracing changes from Todd E Brandt and Shuah Khan.
18) PNP subsystem conversion to using struct dev_pm_ops for power
management from Shuah Khan.
* tag 'pm+acpi-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (217 commits)
cpufreq: Don't use smp_processor_id() in preemptible context
cpuidle: coupled: fix race condition between pokes and safe state
cpuidle: coupled: abort idle if pokes are pending
cpuidle: coupled: disable interrupts after entering safe state
ACPI / hotplug: Remove containers synchronously
driver core / ACPI: Avoid device hot remove locking issues
cpufreq: governor: Fix typos in comments
cpufreq: governors: Remove duplicate check of target freq in supported range
cpufreq: Fix timer/workqueue corruption due to double queueing
ACPI / EC: Add ASUSTEK L4R to quirk list in order to validate ECDT
ACPI / thermal: Add check of "_TZD" availability and evaluating result
cpufreq: imx6q: Fix clock enable balance
ACPI: blacklist win8 OSI for buggy laptops
cpufreq: tegra: fix the wrong clock name
cpuidle: Change struct menu_device field types
cpuidle: Add a comment warning about possible overflow
cpuidle: Fix variable domains in get_typical_interval()
cpuidle: Fix menu_device->intervals type
cpuidle: CodingStyle: Break up multiple assignments on single line
cpuidle: Check called function parameter in get_typical_interval()
...
This patch set is a set of driver updates (ufs, zfcp, lpfc, mpt2/3sas,
qla4xxx, qla2xxx [adding support for ISP8044 + other things]) we also have a
new driver: esas2r which has a number of static checker problems, but which I
expect to resolve over the -rc course of 3.12 under the new driver exception.
We also have the error return updates that were discussed at LSF.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull first round of SCSI updates from James Bottomley:
"This patch set is a set of driver updates (ufs, zfcp, lpfc, mpt2/3sas,
qla4xxx, qla2xxx [adding support for ISP8044 + other things]).
We also have a new driver: esas2r which has a number of static checker
problems, but which I expect to resolve over the -rc course of 3.12
under the new driver exception.
We also have the error return that were discussed at LSF"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (118 commits)
[SCSI] sg: push file descriptor list locking down to per-device locking
[SCSI] sg: checking sdp->detached isn't protected when open
[SCSI] sg: no need sg_open_exclusive_lock
[SCSI] sg: use rwsem to solve race during exclusive open
[SCSI] scsi_debug: fix logical block provisioning support when unmap_alignment != 0
[SCSI] scsi_debug: fix endianness bug in sdebug_build_parts()
[SCSI] qla2xxx: Update the driver version to 8.06.00.08-k.
[SCSI] qla2xxx: print MAC via %pMR.
[SCSI] qla2xxx: Correction to message ids.
[SCSI] qla2xxx: Correctly print out/in mailbox registers.
[SCSI] qla2xxx: Add a new interface to update versions.
[SCSI] qla2xxx: Move queue depth ramp down message to i/o debug level.
[SCSI] qla2xxx: Select link initialization option bits from current operating mode.
[SCSI] qla2xxx: Add loopback IDC-TIME-EXTEND aen handling support.
[SCSI] qla2xxx: Set default critical temperature value in cases when ISPFX00 firmware doesn't provide it
[SCSI] qla2xxx: QLAFX00 make over temperature AEN handling informational, add log for normal temperature AEN
[SCSI] qla2xxx: Correct Interrupt Register offset for ISPFX00
[SCSI] qla2xxx: Remove handling of Shutdown Requested AEN from qlafx00_process_aen().
[SCSI] qla2xxx: Send all AENs for ISPFx00 to above layers.
[SCSI] qla2xxx: Add changes in initialization for ISPFX00 cards with BIOS
...
Here's the big tty/serial driver pull request for 3.12-rc1.
Lots of n_tty reworks to resolve some very long-standing issues, removing the
3-4 different locks that were taken for every character. This code has been
beaten on for a long time in linux-next with no reported regressions.
Other than that, a range of serial and tty driver updates and revisions. Full
details in the shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver patches from Greg KH:
"Here's the big tty/serial driver pull request for 3.12-rc1.
Lots of n_tty reworks to resolve some very long-standing issues,
removing the 3-4 different locks that were taken for every character.
This code has been beaten on for a long time in linux-next with no
reported regressions.
Other than that, a range of serial and tty driver updates and
revisions. Full details in the shortlog"
* tag 'tty-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (226 commits)
hvc_xen: Remove unnecessary __GFP_ZERO from kzalloc
serial: imx: initialize the local variable
tty: ar933x_uart: add device tree support and binding documentation
tty: ar933x_uart: allow to build the driver as a module
ARM: dts: msm: Update uartdm compatible strings
devicetree: serial: Document msm_serial bindings
serial: unify serial bindings into a single dir
serial: fsl-imx-uart: Cleanup duplicate device tree binding
tty: ar933x_uart: use config_enabled() macro to clean up ifdefs
tty: ar933x_uart: remove superfluous assignment of ar933x_uart_driver.nr
tty: ar933x_uart: use the clk API to get the uart clock
tty: serial: cpm_uart: Adding proper request of GPIO used by cpm_uart driver
serial: sirf: fix the amount of serial ports
serial: sirf: define macro for some magic numbers of USP
serial: icom: move array overflow checks earlier
TTY: amiserial, remove unnecessary platform_set_drvdata()
serial: st-asc: remove unnecessary platform_set_drvdata()
msm_serial: Send more than 1 character on the console w/ UARTDM
msm_serial: Add support for non-GSBI UARTDM devices
msm_serial: Switch clock consumer strings and simplify code
...
Here's the bit staging tree pull request for 3.12-rc1.
Lots of staging driver updates, and fixes. Lustre is finally enabled in
the build, and lots of cleanup started happening in it. There's a new
wireless driver in here, and 2 new TTY drivers, which cause the overall
lines added/removed to be quite large on the "added" side.
The IIO driver updates are also coming through here, as they are tied to
the staging iio drivers.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree merge from Greg KH:
"Here's the bit staging tree pull request for 3.12-rc1.
Lots of staging driver updates, and fixes. Lustre is finally enabled
in the build, and lots of cleanup started happening in it. There's a
new wireless driver in here, and 2 new TTY drivers, which cause the
overall lines added/removed to be quite large on the "added" side.
The IIO driver updates are also coming through here, as they are tied
to the staging iio drivers"
* tag 'staging-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (942 commits)
staging: dwc2: make dwc2_core_params documentation more complete
staging: dwc2: validate the value for phy_utmi_width
staging: dwc2: interpret all hwcfg and related register at init time
staging: dwc2: properly mask the GRXFSIZ register
staging: dwc2: remove redundant register reads
staging: dwc2: re-use hptxfsiz variable
staging: dwc2: simplify debug output in dwc_hc_init
staging: dwc2: add missing shift
staging: dwc2: simplify register shift expressions
staging: dwc2: only read the snpsid register once
staging: dwc2: unshift non-bool register value constants
staging: dwc2: fix off-by-one in check for max_packet_count parameter
staging: dwc2: remove specific fifo size constants
Staging:BCM:DDRInit.c:Renaming __FUNCTION__
staging: bcm: remove Version.h file.
staging: rtl8188eu: off by one in rtw_set_802_11_add_wep()
staging: r8188eu: copying one byte too much
staging: rtl8188eu: || vs && typo
staging: r8188eu: off by one bugs
staging: crystalhd: Resolve sparse 'different base types' warnings.
...
Here's the big driver core pull request for 3.12-rc1.
Lots of tiny changes here fixing up the way sysfs attributes are
created, to try to make drivers simpler, and fix a whole class race
conditions with creations of device attributes after the device was
announced to userspace.
All the various pieces are acked by the different subsystem maintainers.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg KH:
"Here's the big driver core pull request for 3.12-rc1.
Lots of tiny changes here fixing up the way sysfs attributes are
created, to try to make drivers simpler, and fix a whole class race
conditions with creations of device attributes after the device was
announced to userspace.
All the various pieces are acked by the different subsystem
maintainers"
* tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (119 commits)
firmware loader: fix pending_fw_head list corruption
drivers/base/memory.c: introduce help macro to_memory_block
dynamic debug: line queries failing due to uninitialized local variable
sysfs: sysfs_create_groups returns a value.
debugfs: provide debugfs_create_x64() when disabled
rbd: convert bus code to use bus_groups
firmware: dcdbas: use binary attribute groups
sysfs: add sysfs_create/remove_groups for when SYSFS is not enabled
driver core: add #include <linux/sysfs.h> to core files.
HID: convert bus code to use dev_groups
Input: serio: convert bus code to use drv_groups
Input: gameport: convert bus code to use drv_groups
driver core: firmware: use __ATTR_RW()
driver core: core: use DEVICE_ATTR_RO
driver core: bus: use DRIVER_ATTR_WO()
driver core: create write-only attribute macros for devices and drivers
sysfs: create __ATTR_WO()
driver-core: platform: convert bus code to use dev_groups
workqueue: convert bus code to use dev_groups
MEI: convert bus code to use dev_groups
...
Here is the big char/misc driver pull request for 3.12-rc1
Lots of driver updates all over the char/misc tree, full details in the
shortlog below.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc patches from Greg KH:
"Here is the big char/misc driver pull request for 3.12-rc1
Lots of driver updates all over the char/misc tree, full details in
the shortlog"
* tag 'char-misc-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (62 commits)
drivers: uio: Kconfig: add MMU dependancy for UIO
drivers: uio: Add driver for Humusoft MF624 DAQ PCI card
drivers: uio_pdrv_genirq: use dev_get_platdata()
drivers: uio_pruss: use dev_get_platdata()
drivers: uio_dmem_genirq: use dev_get_platdata()
drivers: parport: Kconfig: exclude h8300 for PARPORT_PC
drivers: misc: ti-st: fix potential race if st_kim_start fails
Drivers: hv: vmbus: Do not attempt to negoatiate a new version prematurely
misc: vmw_balloon: Remove braces to fix build for clang.
Drivers: hv: vmbus: Fix a bug in the handling of channel offers
vme: vme_ca91cx42.c: fix to pass correct device identity to free_irq()
VMCI: Add support for virtual IOMMU
VMCI: Remove non-blocking/pinned queuepair support
uio: uio_pruss: remove unnecessary platform_set_drvdata()
parport: amiga: remove unnecessary platform_set_drvdata()
vme: vme_vmivme7805.c: add missing __iomem annotation
vme: vme_ca91cx42.c: add missing __iomem annotation
vme: vme_tsi148.c: add missing __iomem annotation
drivers/misc/hpilo: Correct panic when an AUX iLO is detected
uio: drop unused vma_count member in uio_device struct
...
Here's the big USB driver pull request for 3.12-rc1
Lots of USB driver fixes and updates. Nothing major, just the normal
xhci, gadget, and other driver changes. Full details in the shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big USB driver pull request for 3.12-rc1
Lots of USB driver fixes and updates. Nothing major, just the normal
xhci, gadget, and other driver changes. Full details in the shortlog"
* tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (352 commits)
usbcore: fix incorrect type in assignment in descriptors_changed()
usbcore: compare and release one bos descriptor in usb_reset_and_verify_device()
ehci: remove debugging statement with ehci statistics in ehci_stop()
ehci: remove duplicate debug_async_open() prototype in ehci-dbg.c
ehci: enable debugging code when CONFIG_DYNAMIC_DEBUG is set
ehci: remove ehci_vdbg() verbose debugging statements
Documentation sysfs-bus-usb: Document which files are used by libusb
Documentation sysfs-bus-usb: Document the speed file used by libusb
Documentation sysfs-bus-usb: Move files with known users to stable
USB: fix build error when CONFIG_PM_SLEEP isn't enabled
usb: r8a66597-hcd: use platform_{get,set}_drvdata()
usb: phy-tegra-usb: use platform_{get,set}_drvdata()
usb: acm gadget: Null termintate strings table
dma: cppi41: off by one in desc_to_chan()
xhci: Fix warning introduced by disabling runtime PM.
dev-core: fix build break when DEBUG is enabled
USB: OHCI: Allow runtime PM without system sleep
usb: ohci-at91: remove unnecessary dev_set_drvdata()
usb: renesas_usbhs: use platform_{get,set}_drvdata()
usb: fotg210-udc: use platform_{get,set}_drvdata()
...
Add support for Fam16h (Kabini) to k10temp
Add support for NCT6102D/6106D and NCT6791D to nct6775 driver
Add support for ADS1115 to ads1015 driver
Add support for hibernate to w83627ehf and nct6775 drivers
Some minor cleanups
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- new driver for HTU21D (humidity sensor)
- add support for Fam16h (Kabini) to k10temp
- add support for NCT6102D/6106D and NCT6791D to nct6775 driver
- add support for ADS1115 to ads1015 driver
- add support for hibernate to w83627ehf and nct6775 drivers
- some minor cleanups
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (htu21) Add Measurement Specialties HTU21D support
hwmon: Change my email address.
hwmon: (k10temp) Add support for Fam16h (Kabini)
hwmon: (adt7462) ADT7462_REG_VOLT_MAX() should return 0
hwmon: (ads1015) Add support for ADS1115
hwmon: (w83627ehf) Add support for hibernate
hwmon: (nct6775) Add support for hibernate
hwmon: use dev_get_platdata()
hwmon: (nct6775) Fix size of data->temp array
hwmon: (nct6775) Avoid using device platform data outside probe function
hwmon: (nct6775) Add support for NCT6791D
hwmon: (nct6775) Add support for beep attributes
hwmon: (nct6775) Add support for critical low/high temperature limits on NCT6106
hwmon: (nct6775) Add support for NCT6102D/6106D
hwmon: (nct6775) Support two SuperIO chips in the same system
hwmon: (nct6775) Allocate attributes dynamically from templates
hwmon: (coretemp) Atom CPUs don't support TjMax; no warning needed
Not much exciting going on with the regulator API this time around, lots
of driver fixes and enhancements - the main thing is the addition of a
new API to help make the stubbing code do the right thing for missing
regulator mappings.
Highlights:
- A new regulator_get_optional() API call for regulators that can be
absent in normal operation. This currently does nothing but will be
used to improve the stubbing code for unspecified regulators, helping
avoid some of the issues we've seen with adding new regulator support.
- Helpers for devices with multiple linear ranges of voltages in the
same regulator.
- Moved the helpers into a separate file since core.c is getting rather
large.
- New drivers for Dialog DA9210 and DA9063, Freescale pfuze100 and
Marvell 88pm800.
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Merge tag 'regulator-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Not much exciting going on with the regulator API this time around,
lots of driver fixes and enhancements - the main thing is the addition
of a new API to help make the stubbing code do the right thing for
missing regulator mappings.
Highlights:
- A new regulator_get_optional() API call for regulators that can be
absent in normal operation. This currently does nothing but will
be used to improve the stubbing code for unspecified regulators,
helping avoid some of the issues we've seen with adding new
regulator support.
- Helpers for devices with multiple linear ranges of voltages in the
same regulator.
- Moved the helpers into a separate file since core.c is getting
rather large.
- New drivers for Dialog DA9210 and DA9063, Freescale pfuze100 and
Marvell 88pm800"
* tag 'regulator-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (70 commits)
regulator: da9063: Statize da9063_ldo_lim_event
regulator: lp872x: Make REGULATOR_LP872X depend on I2C rather than I2C=y
regulator: tps65217: Convert to use linear ranges
regulator: da9063: Use IS_ERR to check return value of regulator_register()
regulator: da9063: Optimize da9063_set_current_limit implementation
regulator: build: Allow most regulators to be built as modules
regulator: Add devm_regulator_get_exclusive()
regulator: da9063: Add Dialog DA9063 voltage regulators support.
regulator: ti-abb: simplify platform_get_resource_byname/devm_ioremap_resource
hwmon: (sht15) Use devm_regulator_get_optional()
regulator: core: Use bool for exclusivitity flag
regulator: 88pm800: forever loop in pm800_regulator_probe()
cpufreq: cpufreq-cpu0: Use devm_regulator_get_optional()
regulator: da9210: Remove redundant MODULE_ALIAS
regulator: 88pm800: Fix checking whether num_regulator is valid
regulator: s2mps11: Fix setting ramp_delay
regulator: s2mps11: Fix wrong arguments for regmap_update_bits() call
regulator: palmas: Update the DT binding doc for smps10 out1 and out2
regulator: palmas: model SMPS10 as two regulators
regulator: core: Move list_voltage_{linear,linear_range,table} to helpers.c
...
When registering a thermal zone device using platform information
via bind_params, the thermal framework will always perform the
cdev binding using the lowest and highest limits (THERMAL_NO_LIMIT).
This patch changes the data structures so that it is possible
to inform what are the desired limits for each trip point
inside a bind_param. The way the binding is performed is also
changed so that it uses the new data structure.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
When registering a new thermal_device, the thermal framework
will always add a hwmon sysfs interface.
This patch adds a flag to make this behavior optional. Now
when registering a new thermal device, the caller can
optionally inform if hwmon interface is desirable. This can
be done by means of passing a thermal_zone_params.no_hwmon == true.
In order to keep same behavior as of today, all current
calls will by default create the hwmon interface.
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-acpi@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: Zhang Rui <rui.zhang@intel.com>
Suggested-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Fixes the last three errors of media_api DocBook validatation:
(...)
media_api.xml:414: element imagedata: validity error : Value "SVG" for attribute format of imagedata is not among the enumerated set
media_api.xml:432: element imagedata: validity error : Value "SVG" for attribute format of imagedata is not among the enumerated set
media_api.xml:452: element imagedata: validity error : Value "SVG" for attribute format of imagedata is not among the enumerated set
(...)
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: stable@vger.kernel.org
Specify DT bindings for the TPU PWM controller and add OF support to the
driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
The PWM client cells format is documented in the generic pwm.txt
documentation and duplicated in all PWM driver bindings. Remove
duplicate information and reference pwm.txt instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Define a PWM_POLARITY_INVERTED macro in include/dt-bindings/pwm/pwm.h to
be used by device tree sources.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
TCR.TBI0 can be used to cause hardware address translation to ignore the
top byte of userspace virtual addresses. Whilst not especially useful in
standard C programs, this can be used by JITs to `tag' pointers with
various pieces of metadata.
This patch enables this bit for AArch64 Linux, and adds a new file to
Documentation/arm64/ which describes some potential caveats when using
tagged virtual addresses.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Pull RCU updates from Paul E. McKenney:
"
* Update RCU documentation. These were posted to LKML at
https://lkml.org/lkml/2013/8/19/611.
* Miscellaneous fixes. These were posted to LKML at
https://lkml.org/lkml/2013/8/19/619.
* Full-system idle detection. This is for use by Frederic
Weisbecker's adaptive-ticks mechanism. Its purpose is
to allow the timekeeping CPU to shut off its tick when
all other CPUs are idle. These were posted to LKML at
https://lkml.org/lkml/2013/8/19/648.
* Improve rcutorture test coverage. These were posted to LKML at
https://lkml.org/lkml/2013/8/19/675.
"
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Specifies the required clock inputs for each supported compatible.
Armada 370 requires a single clock phandle, and Armada XP requires
two clock phandles with clock-names "nbclk" and "fixed".
Cc: devicetree@vger.kernel.org
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
This commit fixes the DT binding for the Armada 370/XP SoC timer.
The previous "marvell,armada-370-xp-timer" compatible is removed and
two new compatible strings are introduced: "marvell,armada-xp-timer"
and "marvell,armada-370-timer".
The rationale behind this change is that the Armada 370 SoC and the
Armada XP SoC timers are not really compatible:
* Armada 370 has no 25 MHz fixed timer.
* Armada XP cannot work properly without such 25 MHz fixed timer
as doing otherwise leads to using a clocksource whose frequency
varies when doing cpufreq frequency changes.
This commit also removes the "marvell,timer-25Mhz" property, given
it's now meaningless.
Cc: devicetree@vger.kernel.org
Acked-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Alex writes:
This is the radeon drm-next request. Big changes include:
- support for dpm on CIK parts
- support for ASPM on CIK parts
- support for berlin GPUs
- major ring handling cleanup
- remove the old 3D blit code for bo moves in favor of CP DMA or sDMA
- lots of bug fixes
[airlied: fix up a bunch of conflicts from drm_order removal]
* 'drm-next-3.12' of git://people.freedesktop.org/~agd5f/linux: (898 commits)
drm/radeon/dpm: make sure dc performance level limits are valid (CI)
drm/radeon/dpm: make sure dc performance level limits are valid (BTC-SI) (v2)
drm/radeon: gcc fixes for extended dpm tables
drm/radeon: gcc fixes for kb/kv dpm
drm/radeon: gcc fixes for ci dpm
drm/radeon: gcc fixes for si dpm
drm/radeon: gcc fixes for ni dpm
drm/radeon: gcc fixes for trinity dpm
drm/radeon: gcc fixes for sumo dpm
drm/radeonn: gcc fixes for rv7xx/eg/btc dpm
drm/radeon: gcc fixes for rv6xx dpm
drm/radeon: gcc fixes for radeon_atombios.c
drm/radeon: enable UVD interrupts on CIK
drm/radeon: fix init ordering for r600+
drm/radeon/dpm: only need to reprogram uvd if uvd pg is enabled
drm/radeon: check the return value of uvd_v1_0_start in uvd_v1_0_init
drm/radeon: split out radeon_uvd_resume from uvd_v4_2_resume
radeon kms: fix uninitialised hotplug work usage in r100_irq_process()
drm/radeon/audio: set up the sads on DCE3.2 asics
drm/radeon: fix handling of variable sized arrays for router objects
...
Conflicts:
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/i915/i915_gem_dmabuf.c
drivers/gpu/drm/i915/intel_pm.c
drivers/gpu/drm/radeon/cik.c
drivers/gpu/drm/radeon/ni.c
drivers/gpu/drm/radeon/r600.c
spi: quad: fix the name of DT property in patch
The previous property name spi-tx-nbits and spi-rx-nbits looks not
human-readable. To make it consistent with other devices, using property
name spi-tx-bus-width and spi-rx-bus-width instead of the previous one
specify the number of data wires that spi controller will work in.
Add the specification in spi-bus.txt.
Signed-off-by: wangyuhang <wangyuhang2014@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
By default, the pfifo_fast queue discipline has been used by default
for all devices. But we have better choices now.
This patch allow setting the default queueing discipline with sysctl.
This allows easy use of better queueing disciplines on all devices
without having to use tc qdisc scripts. It is intended to allow
an easy path for distributions to make fq_codel or sfq the default
qdisc.
This patch also makes pfifo_fast more of a first class qdisc, since
it is now possible to manually override the default and explicitly
use pfifo_fast. The behavior for systems who do not use the sysctl
is unchanged, they still get pfifo_fast
Also removes leftover random # in sysctl net core.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some synopsys ip implementation doesn't support DMA store and forward mode,
such as BF60x. So, set force_thresh_dma_mode to use DMA thresholds only.
Update document and devicetree as well.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Modify the probe routine to get the port line number
from device tree if the 'of_node' is populated in the
platform device. The driver can be built as module,
thus add an OF specific module device table as well
to support module auto loading.
This makes it possible to use the driver for AR9330
UART devices specified in device tree.
Cc: devicetree@vger.kernel.org
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We add a new sys node for ecc step size. So update the ABI document about it.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
[Brian: edited description, modified 'ecc_strength']
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
NAND_BBT_SCANEMPTY is a strange, badly-supported option with omap as its
single remaining user.
NAND_BBT_SCANEMPTY was likely used by accident in omap2[1]. And anyway,
omap2 doesn't scan the chip for bad blocks (courtesy of
NAND_SKIP_BBTSCAN), and so its use of this option is irrelevant.
This patch drops the NAND_BBT_SCANEMPTY option.
[1] http://lists.infradead.org/pipermail/linux-mtd/2012-July/042902.html
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Ivan Djelic <ivan.djelic@parrot.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Trivial patch to add Microchip Technology Inc. to the list
of devicetree vendor prefixes.
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The device tree property should be more descriptive.
microchip seems more reasonable than mcp. The old mcp
prefix is still supported but marked as deprecated.
Users of mcp have to switch to the microchip prefix.
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
dout_pixel is a new ID allocated for pixel clock divider. It is
queried in the driver to pass as the parent to hdmi clock while
switching between parents.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
hdmi driver needs to change the parent of hdmi clock
to pixel clock or hdmiphy clock, based on the stability
of hdmiphy. This patch is exposing the mux for changing
the parent.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Adding sysmmu clock for mixer for exynos5420.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Add sclk_hdmiphy to the list of exposed clocks. This is required
by hdmi driver to change the parent of hdmi clock.
Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Render nodes provide an API for userspace to use non-privileged GPU
commands without any running DRM-Master. It is useful for offscreen
rendering, GPGPU clients, and normal render clients which do not perform
modesetting.
Compared to legacy clients, render clients no longer need any
authentication to perform client ioctls. Instead, user-space controls
render/client access to GPUs via filesystem access-modes on the
render-node. Once a render-node was opened, a client has full access to
the client/render operations on the GPU. However, no modesetting or ioctls
that affect global state are allowed on render nodes.
To prevent privilege-escalation, drivers must explicitly state that they
support render nodes. They must mark their render-only ioctls as
DRM_RENDER_ALLOW so render clients can use them. Furthermore, they must
support clients without any attached master.
If filesystem access-modes are not enough for fine-grained access control
to render nodes (very unlikely, considering the versaitlity of FS-ACLs),
you may still fall-back to fd-passing from server to client (which allows
arbitrary access-control). However, note that revoking access is
currently impossible and unlikely to get implemented.
Note: Render clients no longer have any associated DRM-Master as they are
supposed to be independent of any server state. DRM core highly depends on
file_priv->master to be non-NULL for modesetting/ctx/etc. commands.
Therefore, drivers must be very careful to not require DRM-Master if they
support DRIVER_RENDER.
So far render-nodes are protected by "drm_rnodes". As long as this
module-parameter is not set to 1, a driver will not create render nodes.
This allows us to experiment with the API a bit before we stabilize it.
v2: drop insecure GEM_FLINK to force use of dmabuf
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
As use the multiple compatible string, we can remove hardware register in dt.
CC: devicetree@vger.kernel.org
Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Update documentation to add fanout policies that are available.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
"dw-apb-timer-osc" and "dw-apb-timer-sp" are the same implementation of the
DW APB timer, just fed by different clocks. Thus, deprecate both
"dw-apb-timer-osc" and "dw-apb-timer-sp" in lieu of "dw-apb-timer".
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Reviewed-by: Pavel Machek <pavel@denx.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
CC: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
CC: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
CC: Jamie Iles <jamie@jamieiles.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Pavel Machek <pavel@denx.de>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Olof Johansson <olof@lixom.net>
v3:
- Split out a separate that cleans up the timer entries and clock information.
- Clearly states which binding is deprecated in the bindings doc.
v2:
- Deprecate the "dw-apb-timer-osc" and "dw-apb-timer-sp" but maintain
backwards compatibility in the driver.
Because most of the vendor prefixes are lower case, deprecate
the vendor prefix "ALTR" in place of "altr" for Altera Corp..
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
After hearing many people over past years complaining against TSO being
bursty or even buggy, we are proud to present automatic sizing of TSO
packets.
One part of the problem is that tcp_tso_should_defer() uses an heuristic
relying on upcoming ACKS instead of a timer, but more generally, having
big TSO packets makes little sense for low rates, as it tends to create
micro bursts on the network, and general consensus is to reduce the
buffering amount.
This patch introduces a per socket sk_pacing_rate, that approximates
the current sending rate, and allows us to size the TSO packets so
that we try to send one packet every ms.
This field could be set by other transports.
Patch has no impact for high speed flows, where having large TSO packets
makes sense to reach line rate.
For other flows, this helps better packet scheduling and ACK clocking.
This patch increases performance of TCP flows in lossy environments.
A new sysctl (tcp_min_tso_segs) is added, to specify the
minimal size of a TSO packet (default being 2).
A follow-up patch will provide a new packet scheduler (FQ), using
sk_pacing_rate as an input to perform optional per flow pacing.
This explains why we chose to set sk_pacing_rate to twice the current
rate, allowing 'slow start' ramp up.
sk_pacing_rate = 2 * cwnd * mss / srtt
v2: Neal Cardwell reported a suspect deferring of last two segments on
initial write of 10 MSS, I had to change tcp_tso_should_defer() to take
into account tp->xmit_size_goal_segs
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Van Jacobson <vanj@google.com>
Cc: Tom Herbert <therbert@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements RFC6980: Drop fragmented ndisc packets by
default. If a fragmented ndisc packet is received the user is informed
that it is possible to disable the check.
Cc: Fernando Gont <fernando@gont.com.ar>
Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements a device-tree-only machine driver for Freescale
i.MX series Soc. It works with spdif_transmitter/spdif_receiver and
fsl_spdif.c drivers.
Signed-off-by: Nicolin Chen <b42378@freescale.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Merge tag 'v3.11-rc7' into devel
Merged in this to avoid conflicts with the big locking fixes
from upstream.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Conflicts:
drivers/pinctrl/pinctrl-sunxi.c
It's always been a hassle that if an external journal's
device number changes, the filesystem won't mount.
And since boot-time enumeration can change, device number
changes aren't unusual.
The current mechanism to update the journal location is by
passing in a mount option w/ a new devnum, but that's a hassle;
it's a manual approach, fixing things after the fact.
Adding a mount option, "-o journal_path=/dev/$DEVICE" would
help, since then we can do i.e.
# mount -o journal_path=/dev/disk/by-label/$JOURNAL_LABEL ...
and it'll mount even if the devnum has changed, as shown here:
# losetup /dev/loop0 journalfile
# mke2fs -L mylabel-journal -O journal_dev /dev/loop0
# mkfs.ext4 -L mylabel -J device=/dev/loop0 /dev/sdb1
Change the journal device number:
# losetup -d /dev/loop0
# losetup /dev/loop1 journalfile
And today it will fail:
# mount /dev/sdb1 /mnt/test
mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
# dmesg | tail -n 1
[17343.240702] EXT4-fs (sdb1): error: couldn't read superblock of external journal
But with this new mount option, we can specify the new path:
# mount -o journal_path=/dev/loop1 /dev/sdb1 /mnt/test
#
(which does update the encoded device number, incidentally):
# umount /dev/sdb1
# dumpe2fs -h /dev/sdb1 | grep "Journal device"
dumpe2fs 1.41.12 (17-May-2010)
Journal device: 0x0701
But best of all we can just always mount by journal-path, and
it'll always work:
# mount -o journal_path=/dev/disk/by-label/mylabel-journal /dev/sdb1 /mnt/test
#
So the journal_path option can be specified in fstab, and as long as
the disk is available somewhere, and findable by label (or by UUID),
we can mount.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Let's fix up the msm serial device bindings so that it's clearer
what hardware is supported. Instead of using hsuart (for high
speed uart) let's use uartdm because that matches the actual name
of the hardware. Also, let's add the version information in case
we need to differentiate between different versions of the
hardware in the future. Finally, lets specify that clocks are
required (the clock bindings didn't exist when the original
binding was written) and also specify dma bindings just in case
we want to use it in software. We split the binding into two
files to make it clearer what's required and not required.
Cc: David Brown <davidb@codeaurora.org>
Cc: <devicetree@vger.kernel.org>
Acked-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Move all bindings in bindings/tty/serial into bindings/serial so we only
have one place dir with serial/uart related bindings in it.
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We had two bindings for the same serial device, it looks like the one in
tty/serial/fsl-imx-uart.txt is the more up to date one so go with it and
merge a few things about the use/need for aliases in from
serial/fsl-imx-uart.txt.
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add description about in_accelX_power_mode and
in_accel_power_mode_available.
Signed-off-by: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch implements pinctrl support and adds device tree bindings
for s5pv210.
Signed-off-by: Mateusz Krawczuk <m.krawczuk@partner.samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Jesse Gross says:
====================
A number of significant new features and optimizations for net-next/3.12.
Highlights are:
* "Megaflows", an optimization that allows userspace to specify which
flow fields were used to compute the results of the flow lookup.
This allows for a major reduction in flow setups (the major
performance bottleneck in Open vSwitch) without reducing flexibility.
* Converting netlink dump operations to use RCU, allowing for
additional parallelism in userspace.
* Matching and modifying SCTP protocol fields.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Updates the documentation to the Intel wired LAN drivers.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The support for both am335x-USB instances required changes to the device
tree bindings. This patch reflects these changes in the bindings
document.
v3…v4:
- remove the child node for USB. This is driver specific on won't be
reflected in the device tree
- use the "mentor" prefix instead of "mg".
- use "dr_mode" istead of "mg,port-mode" for the port mode. The former
is used by a few other drivers.
v2…v3:
- use proper usb-phy nodes in evm, bone and evmsk device tree.
v1…v2:
- use mg prefix for the Metor Graphics specific attributes
- use power in mA not in mA/2 as specifed in the USB2.0 specification
- use usbX-phy instead of usbX_phy
- use dma-controller instead of dma
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ian.campbell@citrix.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The temperature reporting interface stays the same, so we just
add the PCI-ID to the list.
Verified on AMD Olive Hill.
Signed-off-by: Wei Hu <wei@aristanetworks.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The sample missed the moving of the header files into the events subdirectory.
I've also extended it based on the existing headers, and mentioned the tiny
but important role of CREATE_TRACE_POINTS.
Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This facilitates DMAC DT support by eliminating the need in AUXDATA and
avoiding creating complex DT data. This also fits well with DMAC devices,
of which SoCs often have multiple identical copies and it is perfectly
valid to use a single configuration data set for all of them.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The s2ram link is broken because there is a new OpenSuse wiki online.
The page does no longer exist, it was merged in the Suspend_to_RAM
page.
Signed-off-by: Jens Frederich <jfrederich@gmail.com>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
