Add missing sysfs attributes in the proper section of the README
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
The LOCK and UNLOCK barriers as described in our barrier document are
generally known as ACQUIRE and RELEASE barriers in other literature.
Since we plan to introduce the acquire and release nomenclature in
generic kernel primitives we should amend the document to avoid
confusion as to what an acquire/release means.
Reviewed-by: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Michael Ellerman <michael@ellerman.id.au>
Cc: Michael Neuling <mikey@neuling.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Victor Kaplansky <VICTORK@il.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Link: http://lkml.kernel.org/r/20131217092435.GC21999@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Often, usb drivers need some driver_info to get a device to work. To
have access to driver_info when using new_id, allow to pass a reference
vendor:product tuple from which new_id will inherit driver_info.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Improve cache_status to emit:
<metadata block size> <#used metadata blocks>/<#total metadata blocks>
<cache block size> <#used cache blocks>/<#total cache blocks>
...
Adding the block sizes allows for easier calculation of the overall size
of both the metadata and cache devices. Adding <#total cache blocks>
provides useful context for how much of the cache is used.
Unfortunately these additions to the status will require updates to
users' scripts that monitor the cache status. But these changes help
provide more comprehensive information about the cache device and will
simplify tools that are being developed to manage dm-cache devices --
because they won't need to issue 3 operations to cobble together the
information that we can easily provide via a single status ioctl.
While updating the status documentation in cache.txt spaces were
tabify'd.
Requested-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Changed from "Please not that" to "Please note that"
Signed-off-by: David E. Narvaez <david.narvaez@computer.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch implements a device-tree-only CPU DAI driver for Freescale ESAI
controller that supports:
- 12 channels playback and 8 channels record.
[ Some of the inner transmitters and receivers are sharing same group of
pins. So the maxmium 12 output or 8 input channels are only valid if
there is no pin conflict occurring to it. ]
- Independent (asynchronous mode) or shared (synchronous mode) transmit and
receive sections with separate or shared internal/external clocks and frame
syncs, operating in Master or Slave mode.
[ Current ALSA seems not to allow CPU DAI drivers to configure DAI format
separately for PLAYBACK and CAPTURE. So this first version only supports
the case that uses the same DAI format for both directions. ]
- Various DAI formats: I2S, Left-Justified, Right-Justified, DSP-A and DSP-B.
- Programmable word length (8, 16, 20 or 24bits)
- Flexible selection between system clock or external oscillator as input
clock source, programmable internal clock divider and frame sync generation.
Signed-off-by: Nicolin Chen <Guangyu.Chen@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Documentation/i2c/fault-codes illustrates EINVAL error code
as follows:
"One example would be a driver trying an SMBus Block Write
with block size outside the range of 1-32 bytes."
However, the actual implementation of i2c subsystem truncates
data length to be 32 bytes.
Hence this example cannot happen anymore, and since it's obsolete,
let's simply remove it from Documentation/i2c/fault-codes.
Signed-off-by: Helia Correia <helia.correia@intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
There is no list of compatibles that are supported. This patch adds a
list of compatibles to the documentation.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
This patch adds missing some description of sysfs entries in
- Documentation/ABI/testing/sysfs-fs-f2fs
- Documentation/filesystems/f2fs.txt.
And it adds a maintained document entry of F2FS in MAINTAINERS.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This patchset add new driver of extcon-max14577.c which detect various external
connector and fix minor issue of extcon provider driver(extcon-arizona/palams/
gpio.c). Also, update documentation of previous 'switch' porting guide and
extcon git repository url.
Detailed description for patchset:
- New driver of extcon-max14577.c
: Add extcon-max14577.c drvier to support Maxim MUIC(Micro USB Interface
Controller) which detect USB/TA/JIG/AUDIO-DOCK and additional accessory
according to each resistance when connected external connector.
- extcon-arizoan.c driver
: Code clean to use define macro instead of hex value
: Fix minor issue to reset back to our staring state
: Fix race with microphone detection and removal
- extcon-palmas.c driver
: Fix minor issue and renaming compatible string of Devicetree
- extcon-gpio.c driver
: Fix bug about ordering initialization of gpio pin on probe()
: Send uevent after wakeup from suspend state because some SoC
haven't wakeup interrupt on suspend state.
- Documentation (Documentation/extcon/porting-android-switch-class)
: Fix switch class porting guide
- Update extcon git repository url
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Merge tag 'extcon-next-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Chanwoo writes:
Update extcon for v3.14
This patchset add new driver of extcon-max14577.c which detect various external
connector and fix minor issue of extcon provider driver(extcon-arizona/palams/
gpio.c). Also, update documentation of previous 'switch' porting guide and
extcon git repository url.
Detailed description for patchset:
- New driver of extcon-max14577.c
: Add extcon-max14577.c drvier to support Maxim MUIC(Micro USB Interface
Controller) which detect USB/TA/JIG/AUDIO-DOCK and additional accessory
according to each resistance when connected external connector.
- extcon-arizoan.c driver
: Code clean to use define macro instead of hex value
: Fix minor issue to reset back to our staring state
: Fix race with microphone detection and removal
- extcon-palmas.c driver
: Fix minor issue and renaming compatible string of Devicetree
- extcon-gpio.c driver
: Fix bug about ordering initialization of gpio pin on probe()
: Send uevent after wakeup from suspend state because some SoC
haven't wakeup interrupt on suspend state.
- Documentation (Documentation/extcon/porting-android-switch-class)
: Fix switch class porting guide
- Update extcon git repository url
The update did not applied on Korean translation although it applied on
English documentation. Apply it on Korean translation now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
English version HOWTO updated the versioning but Korean version didn't.
Update it now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
English version HOWTO updated the address but Korean version didn't.
Update it now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
English version HOWTO updated the link but Korean version didn't. Update
it now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Building mei-amt-version.o triggers a GCC warning:
Documentation/misc-devices/mei/mei-amt-version.c: In function 'main':
Documentation/misc-devices/mei/mei-amt-version.c:103:5: warning: 'acmd.fd' is used uninitialized in this function [-Wuninitialized]
if (cl->fd != -1)
^
Documentation/misc-devices/mei/mei-amt-version.c:443:21: note: 'acmd.fd' was declared here
struct amt_host_if acmd;
^
GCC is correct. See, the call chain that GCC detects must be
main()
amt_host_if_init()
mei_init()
mei_deinit()
But when we enter mei_deinit() struct amt_host_if acmd is still
unitialized. That makes the test for (effectively) amt_host_if->mei_cl->fd
bogus.
But it turns out that call of mei_deinit() isn't needed at all. All of
the members of mei_cl will be set later in mei_init() and none will be
used before they are set. So we can simply drop this call of
mei_deinit().
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Reported-by: David Howells <dhowells@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This attribute can be used to set and read the value and the
mask of the skb mark which will be used to classify the
source non-mesh client as ISOLATED. In this way a client can
be advertised as such and the mark can potentially be
restored at the receiving node before delivering the skb.
This can be helpful for creating network wide netfilter
policies.
This sysfs file expects a string of the shape "$mark/$mask".
Where $mark has to be a 32-bit number in any base, while
$mask must be a 32bit mask expressed in hex base. Only bits
in $mark covered by the bitmask are really stored.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
If max77686 chip is instantiated from device tree, it is desirable to
have an OF clock provider to allow device tree based look-up of clocks.
This patch adds OF clock provider registration to the clk-max77686
driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
SoC family definitions at the moment are reactive to board needs.
This results in potentially wrong matches taking place for board types.
Eventually, we will have descriptors match only with SoC types and
should not contain anything specific to board handling and pave the
way to getting rid of soc_is_XYZ checks and allow this determination
done with matches at of level.
Existing implicit definitions(as part of board descriptions) are
explicitly documented.
NOTE: Even though we prefer to have dt compatibility to explicit,
"ti,dra7xx", "ti,am33xx", "ti,omap36xx" preexist in current dts and
are maintained for backward compatibility. It is also expected that
any future SoC addition will keep this documentation updated.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The AudioSS block on Exynos 5420 has an additional clock gate for the
ADMA bus clock.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
There is no gate for the PCM clock input to the AudioSS block, so
the parent of sclk_pcm is div_pcm0. Add a clock ID for it so that
we can reference it in device trees.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
This allows the input clocks to the Exynos AudioSS block to be
specified via device-tree bindings. Default names will be used
when an input clock is not given.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
The Chunghwa CLAA101WA01A is a 10.1" 1366x768 panel, which can be
supported by the simple panel driver.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Samsung LNT101NT05 10.1" WXVGA panel can be supported by the simple panel
driver.
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Update the documentation also to reflect the fact that there are no ACPI
specific GPIO interfaces anymore but drivers should instead use the
descriptor based GPIO APIs.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
TWR-P1025 Overview
-----------------
512Mbyte DDR3 (on board DDR)
64MB Nor Flash
eTSEC1: Connected to RGMII PHY AR8035
eTSEC3: Connected to RGMII PHY AR8035
Two USB2.0 Type A
One microSD Card slot
One mini-PCIe slot
One mini-USB TypeB dual UART
Signed-off-by: Michael Johnston <michael.johnston@freescale.com>
Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
[scottwood@freescale.com: use pr_info rather than KERN_INFO]
Signed-off-by: Scott Wood <scottwood@freescale.com>
This patch replace custom handling of IrDA feature with N_IRDA
line discipline, so IrDA mode can be used with irtty driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We have already renamed the file name, change doc name at this
patch.
Cc: devicetree@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The PCI-DMA-mapping.txt moved to general docs and became DMA-API-HOWTO.txt
in 5e07c2c730 ("Documentation: rename PCI/PCI-DMA-mapping.txt to
DMA-API-HOWTO.txt"). Add new file about PCI Express I/O Virtualization.
Signed-off-by: Erik Ekman <erik@kryo.se>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This change allows to follow a recommandation of RFC4942.
- Add "anycast_src_echo_reply" sysctl to control the use of anycast addresses
as source addresses for ICMPv6 echo reply. This sysctl is false by default
to preserve existing behavior.
- Add inline check ipv6_anycast_destination().
- Use them in icmpv6_echo_reply().
Reference:
RFC4942 - IPv6 Transition/Coexistence Security Considerations
(http://tools.ietf.org/html/rfc4942#section-2.1.6)
2.1.6. Anycast Traffic Identification and Security
[...]
To avoid exposing knowledge about the internal structure of the
network, it is recommended that anycast servers now take advantage of
the ability to return responses with the anycast address as the
source address if possible.
Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hardware.h inclusion is no longer needed. Update the documentation section
related to it and fix a file path.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Update the ASoC overview to bring it up to date with the current code base
and include multi-component.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
LDO indices start from 1. Update the example accordingly.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Add support for DMA controller of BCM2835 as used in the Raspberry Pi.
Currently it only supports cyclic DMA.
Signed-off-by: Florian Meier <florian.meier@koalo.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Even though we might not have rigor rule for the simple card property names,
according to the existing ones, they are all in a same pattern:
[simple-audio-card,]XXX;
Rename simple-audio-routing to simple-audio-card,routing, and make the simple
card's properties has one unified name.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Internally the mq policy maintains a promotion threshold variable. If
the hit count of a block not in the cache goes above this threshold it
gets promoted to the cache.
This patch introduces three new tunables that allow you to tweak the
promotion threshold by adding a small value. These adjustments depend
on the io type:
read_promote_adjustment: READ io, default 4
write_promote_adjustment: WRITE io, default 8
discard_promote_adjustment: READ/WRITE io to a discarded block, default 1
If you're trying to quickly warm a new cache device you may wish to
reduce these to encourage promotion. Remember to switch them back to
their defaults after the cache fills though.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
If the pool runs out of data or metadata space, the pool can either
queue or error the IO destined to the data device. The default is to
queue the IO until more space is added.
An admin may now configure the pool to error IO when no space is
available by setting the 'error_if_no_space' feature when loading the
thin-pool table.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
As discussed on the media summit 2013, there is no reason for the width
and height to be signed.
Therefore this patch is an attempt to convert those fields from __s32 to
__u32.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi> (documentation and smiapp)
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
There are already video output drivers that allow STREAMON without
any buffers queued, and with the change in vb2 there are now more
drivers like that.
So saying "The ioctl will succeed only when at least one output
buffer is in the incoming queue." isn't true. Just drop the word
'only'. We cannot say that it will also work if no output buffers are
queued as long as not all drivers are converted to vb2.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Change "packet" to "packed" where the doc is talking about packed data
formats.
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The xref to the v4l2-mbus-pixelcode-yuv8 table gets rendered as "Table
4.22, “YUV Formats”", so use the verb in the third person singular
because it refers to "Table":
s/list/lists/
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
The Palmas device contains only a USB VBUS-ID detector, so added a
compatible type *ti,palmas-usb-vid*. Didn't remove the existing compatible
types for backward compatibility.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Conflicts:
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
net/ipv6/ip6_tunnel.c
net/ipv6/ip6_vti.c
ipv6 tunnel statistic bug fixes conflicting with consolidation into
generic sw per-cpu net stats.
qlogic conflict between queue counting bug fix and the addition
of multiple MAC address support.
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a Documentation/ABI entry for
/sys/devices/system/cpu/intel_pstate/max_perf_pct,
/sys/devices/system/cpu/intel_pstate/min_perf_pct, and
/sys/devices/system/cpu/intel_pstate/no_turbo.
Cc: Dirk Brandewie <dirk.brandewie@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Several patches fixing up incorrectly defined register addresses and
bitfield offsets that could lead to undefined operation when accessing
respective registers or bitfields.
1) clk: exynos5250: fix sysmmu_mfc{l,r} gate clocks
2a) clk: samsung: exynos5250: Fix ACP gate register offset
2b) clk: samsung: exynos5250: Add MDMA0 clocks
2c) ARM: dts: exynos5250: Fix MDMA0 clock number
3) clk: samsung: exynos4: Correct SRC_MFC register
All three issues have been present since Exynos5250 and Exynos4 clock
drivers were added by commits 6e3ad26816 ("clk: exynos5250:
register clocks using common clock framework") and e062b57177
("clk: exynos4: register clocks using common clock framework")
respectively.
* Patch to fix automatic disabling of Exynos5250 sysreg clock that could
cause undefined operation of several peripherals, such as USB, I2C,
MIPI or display block.
4) clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg
clock
Present since Exynos5250 clock drivers was added by commits
6e3ad26816 ("clk: exynos5250: register clocks using common clock
framework").
* Patch fixing compilation warning in clk-exynos-audss driver when
CONFIG_PM_SLEEP is disabled.
5) clk: exynos: File scope reg_save array should depend on PM_SLEEP
Present since the driver was added by commit 1241ef94cc ("clk:
samsung: register audio subsystem clocks using common clock
framework").
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Merge tag 'samsung-clk-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tfiga/samsung-clk into clk-fixes
Samsung Clock fixes for 3.13-rc7
* Several patches fixing up incorrectly defined register addresses and
bitfield offsets that could lead to undefined operation when accessing
respective registers or bitfields.
1) clk: exynos5250: fix sysmmu_mfc{l,r} gate clocks
2a) clk: samsung: exynos5250: Fix ACP gate register offset
2b) clk: samsung: exynos5250: Add MDMA0 clocks
2c) ARM: dts: exynos5250: Fix MDMA0 clock number
3) clk: samsung: exynos4: Correct SRC_MFC register
All three issues have been present since Exynos5250 and Exynos4 clock
drivers were added by commits 6e3ad26816 ("clk: exynos5250:
register clocks using common clock framework") and e062b57177
("clk: exynos4: register clocks using common clock framework")
respectively.
* Patch to fix automatic disabling of Exynos5250 sysreg clock that could
cause undefined operation of several peripherals, such as USB, I2C,
MIPI or display block.
4) clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg
clock
Present since Exynos5250 clock drivers was added by commits
6e3ad26816 ("clk: exynos5250: register clocks using common clock
framework").
* Patch fixing compilation warning in clk-exynos-audss driver when
CONFIG_PM_SLEEP is disabled.
5) clk: exynos: File scope reg_save array should depend on PM_SLEEP
Present since the driver was added by commit 1241ef94cc ("clk:
samsung: register audio subsystem clocks using common clock
framework").
Pablo Neira Ayuso says:
====================
netfilter/IPVS updates for net-next
The following patchset contains Netfilter updates for your net-next tree,
they are:
* Add full port randomization support. Some crazy researchers found a way
to reconstruct the secure ephemeral ports that are allocated in random mode
by sending off-path bursts of UDP packets to overrun the socket buffer of
the DNS resolver to trigger retransmissions, then if the timing for the
DNS resolution done by a client is larger than usual, then they conclude
that the port that received the burst of UDP packets is the one that was
opened. It seems a bit aggressive method to me but it seems to work for
them. As a result, Daniel Borkmann and Hannes Frederic Sowa came up with a
new NAT mode to fully randomize ports using prandom.
* Add a new classifier to x_tables based on the socket net_cls set via
cgroups. These includes two patches to prepare the field as requested by
Zefan Li. Also from Daniel Borkmann.
* Use prandom instead of get_random_bytes in several locations of the
netfilter code, from Florian Westphal.
* Allow to use the CTA_MARK_MASK in ctnetlink when mangling the conntrack
mark, also from Florian Westphal.
* Fix compilation warning due to unused variable in IPVS, from Geert
Uytterhoeven.
* Add support for UID/GID via nfnetlink_queue, from Valentina Giusti.
* Add IPComp extension to x_tables, from Fan Du.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The Intel P-state driver is currently undocumented. Add some
documentation based on the cover-letter sent with the original series.
Cc: Dirk Brandewie <dirk.brandewie@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add support for the MXS DCP block. The driver currently supports
SHA-1/SHA-256 hashing and AES-128 CBC/ECB modes. The non-standard
CRC32 is not yet supported.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Document the clock properties required by the at91 i2c bus driver.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Add device tree support for twl4030 keypad driver.
Tested on Nokia N900.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
- Use PATCH_PHYS_TO_VIRT and AUTO_ZRELADDR.
- Support cascaded interrupts on the SIC.
- Complete clock implementation for the IM-PD1.
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Merge tag 'integrator-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/drivers
From Linus Walleij:
Some Integrator patches that matured for v3.14:
- Use PATCH_PHYS_TO_VIRT and AUTO_ZRELADDR.
- Support cascaded interrupts on the SIC.
- Complete clock implementation for the IM-PD1.
* tag 'integrator-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
clk: versatile: fixup IM-PD1 clock implementation
clk: versatile: pass a name to ICST clock provider
ARM: integrator: pass parent IRQ to the SIC
irqchip: versatile FPGA: support cascaded interrupts from DT
ARM: integrator: Default enable ARM_PATCH_PHYS_VIRT, AUTO_ZRELADDR
Signed-off-by: Olof Johansson <olof@lixom.net>
This mostly adds the reset controller initialisation for the A31 and the SMP
operations for this SoC.
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Merge tag 'sunxi-core-for-3.14' of https://github.com/mripard/linux into next/drivers
From Maxime Ripard:
Allwinner core changes for 3.14
This mostly adds the reset controller initialisation for the A31 and the SMP
operations for this SoC.
* tag 'sunxi-core-for-3.14' of https://github.com/mripard/linux:
ARM: sun6i: Add SMP support for the Allwinner A31
dt-bindings: fix example of allwinner interrupt controller
ARM: sunxi: Register the A31 reset IP in init_time
ARM: sunxi: Select ARCH_HAS_RESET_CONTROLLER
Signed-off-by: Olof Johansson <olof@lixom.net>
This adds pci_enable_msi_range(), which supersedes the pci_enable_msi()
and pci_enable_msi_block() MSI interfaces.
It also adds pci_enable_msix_range(), which supersedes the
pci_enable_msix() MSI-X interface.
The old interfaces have three categories of return values:
negative: failure; caller should not retry
positive: failure; value indicates number of interrupts that *could*
have been allocated, and caller may retry with a smaller request
zero: success; at least as many interrupts allocated as requested
It is error-prone to handle these three cases correctly in drivers.
The new functions return either a negative error code or a number of
successfully allocated MSI/MSI-X interrupts, which is expected to lead to
clearer device driver code.
pci_enable_msi(), pci_enable_msi_block() and pci_enable_msix() still exist
unchanged, but are deprecated and may be removed after callers are updated.
[bhelgaas: tweak changelog]
Suggested-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
This creates an MSI-X counterpart for pci_msi_vec_count(). Device drivers
can use this function to obtain maximum number of MSI-X interrupts the
device supports and use that number in a subsequent call to
pci_enable_msix().
pci_msix_vec_count() supersedes pci_msix_table_size() and returns a
negative errno if device does not support MSI-X interrupts. After this
update, callers must always check the returned value.
The only user of pci_msix_table_size() was the PCI-Express port driver,
which is also updated by this change.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
The new pci_msi_vec_count() interface makes pci_enable_msi_block_auto()
superfluous.
Drivers can use pci_msi_vec_count() to learn the maximum number of MSIs
supported by the device, and then call pci_enable_msi_block().
pci_enable_msi_block_auto() was introduced recently, and its only user is
the AHCI driver, which is also updated by this change.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Tejun Heo <tj@kernel.org>
Device drivers can use this interface to obtain the maximum number of MSI
interrupts the device supports and use that number, e.g., in a subsequent
call to pci_enable_msi_block().
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
It would be useful e.g. in a server or desktop environment to have
a facility in the notion of fine-grained "per application" or "per
application group" firewall policies. Probably, users in the mobile,
embedded area (e.g. Android based) with different security policy
requirements for application groups could have great benefit from
that as well. For example, with a little bit of configuration effort,
an admin could whitelist well-known applications, and thus block
otherwise unwanted "hard-to-track" applications like [1] from a
user's machine. Blocking is just one example, but it is not limited
to that, meaning we can have much different scenarios/policies that
netfilter allows us than just blocking, e.g. fine grained settings
where applications are allowed to connect/send traffic to, application
traffic marking/conntracking, application-specific packet mangling,
and so on.
Implementation of PID-based matching would not be appropriate
as they frequently change, and child tracking would make that
even more complex and ugly. Cgroups would be a perfect candidate
for accomplishing that as they associate a set of tasks with a
set of parameters for one or more subsystems, in our case the
netfilter subsystem, which, of course, can be combined with other
cgroup subsystems into something more complex if needed.
As mentioned, to overcome this constraint, such processes could
be placed into one or multiple cgroups where different fine-grained
rules can be defined depending on the application scenario, while
e.g. everything else that is not part of that could be dropped (or
vice versa), thus making life harder for unwanted processes to
communicate to the outside world. So, we make use of cgroups here
to track jobs and limit their resources in terms of iptables
policies; in other words, limiting, tracking, etc what they are
allowed to communicate.
In our case we're working on outgoing traffic based on which local
socket that originated from. Also, one doesn't even need to have
an a-prio knowledge of the application internals regarding their
particular use of ports or protocols. Matching is *extremly*
lightweight as we just test for the sk_classid marker of sockets,
originating from net_cls. net_cls and netfilter do not contradict
each other; in fact, each construct can live as standalone or they
can be used in combination with each other, which is perfectly fine,
plus it serves Tejun's requirement to not introduce a new cgroups
subsystem. Through this, we result in a very minimal and efficient
module, and don't add anything except netfilter code.
One possible, minimal usage example (many other iptables options
can be applied obviously):
1) Configuring cgroups if not already done, e.g.:
mkdir /sys/fs/cgroup/net_cls
mount -t cgroup -o net_cls net_cls /sys/fs/cgroup/net_cls
mkdir /sys/fs/cgroup/net_cls/0
echo 1 > /sys/fs/cgroup/net_cls/0/net_cls.classid
(resp. a real flow handle id for tc)
2) Configuring netfilter (iptables-nftables), e.g.:
iptables -A OUTPUT -m cgroup ! --cgroup 1 -j DROP
3) Running applications, e.g.:
ping 208.67.222.222 <pid:1799>
echo 1799 > /sys/fs/cgroup/net_cls/0/tasks
64 bytes from 208.67.222.222: icmp_seq=44 ttl=49 time=11.9 ms
[...]
ping 208.67.220.220 <pid:1804>
ping: sendmsg: Operation not permitted
[...]
echo 1804 > /sys/fs/cgroup/net_cls/0/tasks
64 bytes from 208.67.220.220: icmp_seq=89 ttl=56 time=19.0 ms
[...]
Of course, real-world deployments would make use of cgroups user
space toolsuite, or own custom policy daemons dynamically moving
applications from/to various cgroups.
[1] http://www.blackhat.com/presentations/bh-europe-06/bh-eu-06-biondi/bh-eu-06-biondi-up.pdf
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: cgroups@vger.kernel.org
Acked-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The Versatile FPGA interrupt controller supports cascading interrupts,
i.e. that its output is connected to the input of another interrupt
controller. This makes it possible to pass a parent interrupt from
the device tree and print it in the boot log if applicable.
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Keystone arch has compatible nand device, so reuse it.
In case with Keystone it depends on TI_AEMIF because AEMIF
driver is responsible to set timings.
See http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
The properties davinci-ecc-mode, davinci-nand-use-bbt, davinci-nand-buswidth
are MTD generic. Correct names for them are: nand-ecc-mode, nand-on-flash-bbt,
nand-bus-width accordingly. So rename them in dts and documentation.
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Extend bindings for davinci_nand driver to be more clear.
This is clarification only, without semantic changes.
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Move bindings under mtd. Do this in order to make davinci-nand
driver usable by keystone architecture.
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Add support for flash-based bad block table using Marvell's
custom in-flash bad block table layout. The support is enabled
a 'flash_bbt' platform data or device tree parameter.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Given there's no public specification to this date, and in order
to capture some important details and singularities about the
controller let's document them once and for good.
Cc: linux-doc@vger.kernel.org
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Since the driver supports the new compatible string, the binding
documentation must be updated to reflect it.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
In default way, we use the ecc_strength/ecc_step size calculated by ourselves
and use all the OOB area.
This patch adds a new property : "fsl,use-minimum-ecc"
If we enable it, we will firstly try to use the datasheet's minimum required
ECC provided by the MTD layer (the ecc_strength_ds/ecc_step_ds fields
in the nand_chip{}). So we may have free space in the OOB area by using the
minimum ECC, and we may support JFFS2 with some SLC NANDs, such as Micron's
SLC NAND.
If we fail to use the minimum ECC, we will use the legacy method to calculate
the ecc_strength and ecc_step size.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This patch adds polling mode support for i2c-s3c2410 driver.The
SATA PHY controller's CMU and TRSV block's are of I2C register
map in exynos5250.These blocks can be configured using i2c.
But i2c controller instance on which these block's sits lacks an
interrupt line.Also the current i2c-s3c2410 driver is only interrupt
driven, thus a polling mode support is required in the driver for
supporting this controller. This patch adds this support to the driver.
Signed-off-by: Vasanth Ananthan <vasanth.a@samsung.com>
Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
If a reset GPIO support is specified, request the GPIO and get the chip
out of reset at probe time.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Thermal sensor needs pll3_usb_otg when measuring temperature,
otherwise the temperature read will be incorrect, so need to
enable this clk before sensor working, for alarm function,
as hardware will take measurement periodically, so we should
keep this clk always on once alarm function is enabled.
Signed-off-by: Anson Huang <b20788@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Patch "ima: extend the measurement list to include the file signature"
defined a new field called 'sig' and a new template called 'ima-sig'.
This patch updates the Documentation/security/IMA-templates.txt.
Changelog:
- fixed formatting issues (Roberto Sassu)
Reported-by: Roberto Sassu <roberto.sassu@polito.it>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
Update pktgen.txt for reference when using IPsec.
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Enable to fetch data from a file offset. Currently it only supports
fetching from same binary uprobe set. It'll translate the file offset
to a proper virtual address in the process.
The syntax is "@+OFFSET" as it does similar to normal memory fetching
(@ADDR) which does no address translation.
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Enable to fetch other types of argument for the uprobes. IOW, we can
access stack, memory, deref, bitfield and retval from uprobes now.
The format for the argument types are same as kprobes (but @SYMBOL
type is not supported for uprobes), i.e:
@ADDR : Fetch memory at ADDR
$stackN : Fetch Nth entry of stack (N >= 0)
$stack : Fetch stack address
$retval : Fetch return value
+|-offs(FETCHARG) : Fetch memory at FETCHARG +|- offs address
Note that the retval only can be used with uretprobes.
Original-patch-by: Hyeoncheol Lee <cheol.lee@lge.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Hyeoncheol Lee <cheol.lee@lge.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The uprobe syntax requires an offset after a file path not a symbol.
Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
- Add the initial i.MX50 SoC support
- Support device tree boot for i.MX35
- Move imx5 clock driver to use macros for clock ID
- Some random updates and non-critical fixes on clock drivers
- A few defconfig updates and minor cleanups
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Merge tag 'imx-soc-3.14' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
i.MX SoC changes for 3.14:
- Add the initial i.MX50 SoC support
- Support device tree boot for i.MX35
- Move imx5 clock driver to use macros for clock ID
- Some random updates and non-critical fixes on clock drivers
- A few defconfig updates and minor cleanups
* tag 'imx-soc-3.14' of git://git.linaro.org/people/shawnguo/linux-2.6: (37 commits)
ARM: imx: improve the comment of CCM lpm SW workaround
ARM: imx: improve status check of clock gate
ARM: imx: add necessary interface for pfd
ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
ARM: imx: Add cpu frequency scaling support
ARM i.MX35: Add devicetree support.
ARM: imx: update imx_v6_v7_defconfig
ARM: imx6sl: Add missing spba clock to clock tree
ARM: imx6sl: Add missing pll4_audio_div to the clock tree
ARM: imx6: Derive spdif clock from pll3_pfd3_454m
ARM: imx: use __initconst for const init definition
ARM i.MX5: fix obvious typo in ldb_di0_gate clk definition
ARM i.MX5: set CAN peripheral clock to 24 MHz parent
ARM: imx: pllv1: Fix PLL calculation for i.MX27
ARM i.MX5: fix "shift" value for lp_apm_sel on i.MX50 and i.MX53
ARM: imx: imx53: Add SATA PHY clock
ARM: imx_v6_v7_defconfig: Enable STMPE touchscreen
ARM: imx: rename IMX6SL_CLK_CLK_END to IMX6SL_CLK_END
ARM: imx: select PINCTRL at sub-architecure level
...
Signed-off-by: Olof Johansson <olof@lixom.net>
---------------------------
This pull request contains updates
to DaVinci GPIO driver and the
resultant platform code changes. The
updates include DT-conversion and
changes to make the driver cross-platform
ready.
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Merge tag 'davinci-for-v3.14/gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/drivers
From Sekhar Nori:
DaVinci GPIO driver updates
---------------------------
This pull request contains updates to DaVinci GPIO driver and the
resultant platform code changes. The updates include DT-conversion and
changes to make the driver cross-platform ready.
* tag 'davinci-for-v3.14/gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
gpio: davinci: don't create irq_domain in case of unbanked irqs
gpio: davinci: use chained_irq_enter/chained_irq_exit API
gpio: davinci: add OF support
gpio: davinci: remove unused variable intc_irq_num
gpio: davinci: convert to use irqdomain support.
gpio: introduce GPIO_DAVINCI kconfig option
gpio: davinci: get rid of DAVINCI_N_GPIO
gpio: davinci: use {readl|writel}_relaxed() instead of __raw_*
Signed-off-by: Olof Johansson <olof@lixom.net>
* Add Device Tree Support
* Remove platform data mapbase and irqs fields
* Remove platform data scbrr_algo_id field
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Merge tag 'renesas-sh-sci3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
From Simon Horman:
Third Round of Renesas SH SCI Updates for v3.14
* Add Device Tree Support
* Remove platform data mapbase and irqs fields
* Remove platform data scbrr_algo_id field
* tag 'renesas-sh-sci3-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
serial: sh-sci: Add OF support
serial: sh-sci: Add device tree bindings documentation
serial: sh-sci: Remove platform data mapbase and irqs fields
serial: sh-sci: Remove platform data scbrr_algo_id field
Signed-off-by: Olof Johansson <olof@lixom.net>
Tested with a r7s72100 genmai board acessing an eeprom.
Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
cppcheck reports this error:
Documentation/laptops/hpfall.c:33]: (error)
Dangerous usage of 'devname' (strncpy doesn't always 0-terminate it)
The terminating '\0' is needed for the global char array unload_heads_path,
so never write the last array entry (which is initially '\0').
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add Capella Microsystem CM32181 Ambient Light Sensor IIO driver.
This driver will convert raw data to lux value under open-air
condition. Change the calibscale based on the cover material.
Signed-off-by: Kevin Tsai <ktsai@capellamicro.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Modify the existing Kconfig, Makefile, and MAINTAINERS to add the driver
to the kernel. Add a Makefile and a documentation
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Currently each rbd device is allocated its own major number, which
leads to a hard limit of 230-250 images mapped at once. This commit
adds support for a new single-major device number allocation scheme,
which is hidden behind a new single_major boolean module parameter and
is disabled by default for backwards compatibility reasons. (Old
userspace cannot correctly unmap images mapped under single-major
scheme and would essentially just unmap a random image, if that.)
$ rbd showmapped
id pool image snap device
0 rbd b100 - /dev/rbd0
1 rbd b101 - /dev/rbd1
2 rbd b102 - /dev/rbd2
3 rbd b103 - /dev/rbd3
Old scheme (modprobe rbd):
$ ls -l /dev/rbd*
brw-rw---- 1 root disk 253, 0 Dec 10 12:24 /dev/rbd0
brw-rw---- 1 root disk 252, 0 Dec 10 12:28 /dev/rbd1
brw-rw---- 1 root disk 252, 1 Dec 10 12:28 /dev/rbd1p1
brw-rw---- 1 root disk 252, 2 Dec 10 12:28 /dev/rbd1p2
brw-rw---- 1 root disk 252, 3 Dec 10 12:28 /dev/rbd1p3
brw-rw---- 1 root disk 251, 0 Dec 10 12:28 /dev/rbd2
brw-rw---- 1 root disk 251, 1 Dec 10 12:28 /dev/rbd2p1
brw-rw---- 1 root disk 250, 0 Dec 10 12:24 /dev/rbd3
New scheme (modprobe rbd single_major=Y):
$ ls -l /dev/rbd*
brw-rw---- 1 root disk 253, 0 Dec 10 12:30 /dev/rbd0
brw-rw---- 1 root disk 253, 256 Dec 10 12:30 /dev/rbd1
brw-rw---- 1 root disk 253, 257 Dec 10 12:30 /dev/rbd1p1
brw-rw---- 1 root disk 253, 258 Dec 10 12:30 /dev/rbd1p2
brw-rw---- 1 root disk 253, 259 Dec 10 12:30 /dev/rbd1p3
brw-rw---- 1 root disk 253, 512 Dec 10 12:30 /dev/rbd2
brw-rw---- 1 root disk 253, 513 Dec 10 12:30 /dev/rbd2p1
brw-rw---- 1 root disk 253, 768 Dec 10 12:30 /dev/rbd3
(major 253 was assigned dynamically at module load time)
The new limit is 4096 images mapped at once, and it comes from the fact
that, as before, 256 minor numbers are reserved for each mapping.
(A follow-up commit changes the number of minors reserved and the way
we deal with partitions over that number.)
If single_major is set to true, two new sysfs interfaces show up:
/sys/bus/rbd/{add,remove}_single_major. These are to be used instead
of /sys/bus/rbd/{add,remove}, which are disabled for backwards
compatibility reasons outlined above.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Introduce /sys/bus/rbd/devices/<id>/minor sysfs attribute for exporting
rbd whole disk minor numbers. This is a step towards single-major
device number allocation scheme, but also a good thing on its own.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Document the device tree binding for Broadcom Kona architecture
clock control units and clocks. Kona device nodes are represented
with compatible strings having "bcm11351" in their name.
Kona clocks are managed by "clock control units" (CCUs). Each CCU
has a device tree node, and within that node are defined the names
of the clocks provided by the CCU.
The BCM281xx family of SoCs use Kona CCUs and clocks.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
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Merge tag 'v3.13-rc6' into for-3.14/core
Needed to bring blk-mq uptodate, since changes have been going in
since for-3.14/core was established.
Fixup merge issues related to the immutable biovec changes.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Conflicts:
block/blk-flush.c
fs/btrfs/check-integrity.c
fs/btrfs/extent_io.c
fs/btrfs/scrub.c
fs/logfs/dev_bdev.c
Use clock defines in order to make devicetrees more
human readable.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Adds gate clock for MDMA0 on Exynos5250 SoC. This is needed to ensure
that the clock is enabled when MDMA0 is used on systems on which
firmware gates the clockby default.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
[t.figa: Updated patch description.]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
kexec-tools use boot_params for getting the 1st kernel hardware_subarch,
the kexec kernel EFI runtime support also needs to read the old efi_info
from boot_params. Currently it exists in debugfs which is not a good
place for such infomation. Per HPA, we should avoid "sploit debugfs".
In this patch /sys/kernel/boot_params are exported, also the setup_data is
exported as a subdirectory. kexec-tools is using debugfs for hardware_subarch
for a long time now so we're not removing it yet.
Structure is like below:
/sys/kernel/boot_params
|__ data /* boot_params in binary*/
|__ setup_data
| |__ 0 /* the first setup_data node */
| | |__ data /* setup_data node 0 in binary*/
| | |__ type /* setup_data type of setup_data node 0, hex string */
[snip]
|__ version /* boot protocal version (in hex, "0x" prefixed)*/
Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Old kexec-tools can not load new kernels. The reason is kexec-tools does
not fill efi_info in x86 setup header previously, thus EFI failed to
initialize. In new kexec-tools it will by default to fill efi_info and
pass other EFI required infomation to 2nd kernel so kexec kernel EFI
initialization can succeed finally.
To prevent from breaking userspace, add a new xloadflags bit so
kexec-tools can check the flag and switch to old logic.
Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This adds support for the Marvell Tauros3 cache controller which
is compatible with pl310 cache controller but broadcasts L1 cache
operations to L2 cache. While updating the binding documentation,
clean up the list of possible compatibles. Also reorder driver
compatibles to allow non-ARM derivated to be compatible to ARM
cache controller compatibles.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This patch adds support for the external clock outputs on the
Allwinner A20 SoC. The clock outputs are similar to "module 0"
type clocks, with different offsets and widths for clock factors.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Emilio López <emilio@elopez.com.ar>
This commit implements support for the "module 0" type of clocks, as
used by MMC, IR, NAND, SATA and other components.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Mike Turquette <mturquette@linaro.org>
This commit implements PLL5 and PLL6 support on the sunxi clock driver.
These PLLs use a similar factor clock, but differ on their outputs.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Mike Turquette <mturquette@linaro.org>
This commit adds gating support to PLL1 on the clock driver. This makes
the PLL1 implementation fully compatible with PLL4 as well.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Two drivers are merged through for 3.14:
- The A10/A20 RTC driver
- The A31 reset controller IP
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Merge tag 'sunxi-drivers-for-3.14' of https://github.com/mripard/linux into next/drivers
From Maxime Ripard:
Allwinner SoC additions for 3.14
Two drivers are merged through for 3.14:
- The A10/A20 RTC driver
- The A31 reset controller IP
* tag 'sunxi-drivers-for-3.14' of https://github.com/mripard/linux:
ARM: sun4i/sun7i: RTC driver
ARM: sun4i/sun7i: DT documentation for RTC driver
reset: Add Allwinner SoCs Reset Controller Driver
Signed-off-by: Olof Johansson <olof@lixom.net>
Bringing in the tegra dma/reset framework cleanup as a base for the DT changes.
* tegra/dma-reset-rework: (320 commits)
spi: tegra: checking for ERR_PTR instead of NULL
ASoC: tegra: update module reset list for Tegra124
clk: tegra: remove bogus PCIE_XCLK
clk: tegra: remove legacy reset APIs
ARM: tegra: remove legacy DMA entries from DT
ARM: tegra: remove legacy clock entries from DT
USB: EHCI: tegra: use reset framework
Input: tegra-kbc - use reset framework
serial: tegra: convert to standard DMA DT bindings
serial: tegra: use reset framework
spi: tegra: convert to standard DMA DT bindings
spi: tegra: use reset framework
staging: nvec: use reset framework
i2c: tegra: use reset framework
ASoC: tegra: convert to standard DMA DT bindings
ASoC: tegra: allocate AHUB FIFO during probe() not startup()
ASoC: tegra: call pm_runtime APIs around register accesses
ASoC: tegra: use reset framework
dma: tegra: register as an OF DMA controller
dma: tegra: use reset framework
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Add support for the Trusted Foundations secure-mode firmware, as found
on NVIDIA SHIELD. This allows Linux to run in non-secure mode on this
board; all previous Tegra support has assumed the kernel is running in
secure mode.
This branch is based on v3.13-rc1, and shouldn't cause any merge
conflicts.
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Merge tag 'tegra-for-3.14-trusted-foundations' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
From Stephen Warren:
ARM: tegra: Trusted Foundations firmware support
Add support for the Trusted Foundations secure-mode firmware, as found
on NVIDIA SHIELD. This allows Linux to run in non-secure mode on this
board; all previous Tegra support has assumed the kernel is running in
secure mode.
(The base TF support has been discussed back and forth a lot; for now
the most logical place for it seems to be under arch/arm, so we're adding
it here. We can move it out to a common location in the future if needed).
* tag 'tegra-for-3.14-trusted-foundations' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
ARM: tegra: support Trusted Foundations by default
ARM: tegra: set CPU reset handler using firmware
ARM: tegra: split setting of CPU reset handler
ARM: tegra: add support for Trusted Foundations
of: add Trusted Foundations bindings documentation
of: add vendor prefix for Trusted Logic Mobility
ARM: add basic support for Trusted Foundations
Signed-off-by: Olof Johansson <olof@lixom.net>
Bringing in the tegra dma/reset rework as a base for new SoC branches.
* tegra/dma-reset-rework: (81 commits)
spi: tegra: checking for ERR_PTR instead of NULL
ASoC: tegra: update module reset list for Tegra124
clk: tegra: remove bogus PCIE_XCLK
clk: tegra: remove legacy reset APIs
ARM: tegra: remove legacy DMA entries from DT
ARM: tegra: remove legacy clock entries from DT
USB: EHCI: tegra: use reset framework
Input: tegra-kbc - use reset framework
serial: tegra: convert to standard DMA DT bindings
serial: tegra: use reset framework
spi: tegra: convert to standard DMA DT bindings
spi: tegra: use reset framework
staging: nvec: use reset framework
i2c: tegra: use reset framework
ASoC: tegra: convert to standard DMA DT bindings
ASoC: tegra: allocate AHUB FIFO during probe() not startup()
ASoC: tegra: call pm_runtime APIs around register accesses
ASoC: tegra: use reset framework
dma: tegra: register as an OF DMA controller
dma: tegra: use reset framework
...
Signed-off-by: Olof Johansson <olof@lixom.net>
This series converts the Tegra DTs and drivers to use the common/
standard DMA and reset bindings, rather than custom bindings. It also
adds complete documentation for the Tegra clock bindings without
actually changing any binding definitions.
This conversion relies on a few sets of patches in branches from outside
the Tegra tree:
1) A patch to add an DMA channel request API which allows deferred probe
to be implemented.
2) A patch to implement a common part of the of_xlate function for DMA
controllers.
3) Some ASoC patches (which in turn rely on (1) above), which support
deferred probe during DMA channel allocation.
4) The Tegra clock driver changes for 3.14.
Consequently, this branch is based on a merge of all of those external
branches.
In turn, this branch is or will be pulled into a few places that either
rely on features introduced here, or would otherwise conflict with the
patches:
a) Tegra's own for-3.14/powergate and for-4.14/dt branches, to avoid
conflicts.
b) The DRM tree, which introduces new code that relies on the reset
controller framework introduced in this branch, and to avoid
conflicts.
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Merge tag 'tegra-for-3.14-dmas-resets-rework' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/cleanup
From Stephen Warren:
ARM: tegra: implement common DMA and resets DT bindings
This series converts the Tegra DTs and drivers to use the common/
standard DMA and reset bindings, rather than custom bindings. It also
adds complete documentation for the Tegra clock bindings without
actually changing any binding definitions.
This conversion relies on a few sets of patches in branches from outside
the Tegra tree:
1) A patch to add an DMA channel request API which allows deferred probe
to be implemented.
2) A patch to implement a common part of the of_xlate function for DMA
controllers.
3) Some ASoC patches (which in turn rely on (1) above), which support
deferred probe during DMA channel allocation.
4) The Tegra clock driver changes for 3.14.
Consequently, this branch is based on a merge of all of those external
branches.
In turn, this branch is or will be pulled into a few places that either
rely on features introduced here, or would otherwise conflict with the
patches:
a) Tegra's own for-3.14/powergate and for-4.14/dt branches, to avoid
conflicts.
b) The DRM tree, which introduces new code that relies on the reset
controller framework introduced in this branch, and to avoid
conflicts.
* tag 'tegra-for-3.14-dmas-resets-rework' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: (30 commits)
spi: tegra: checking for ERR_PTR instead of NULL
ASoC: tegra: update module reset list for Tegra124
clk: tegra: remove bogus PCIE_XCLK
clk: tegra: remove legacy reset APIs
ARM: tegra: remove legacy DMA entries from DT
ARM: tegra: remove legacy clock entries from DT
USB: EHCI: tegra: use reset framework
Input: tegra-kbc - use reset framework
serial: tegra: convert to standard DMA DT bindings
serial: tegra: use reset framework
spi: tegra: convert to standard DMA DT bindings
spi: tegra: use reset framework
staging: nvec: use reset framework
i2c: tegra: use reset framework
ASoC: tegra: convert to standard DMA DT bindings
ASoC: tegra: allocate AHUB FIFO during probe() not startup()
ASoC: tegra: call pm_runtime APIs around register accesses
ASoC: tegra: use reset framework
dma: tegra: register as an OF DMA controller
dma: tegra: use reset framework
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Merging in external dependencies for the Tegra DMA and reset controller
refactoring from external trees.
Per Stephen Warren, the stability of these branches have been negotiated
with the relevant parties (Vinod/Mark/Mike)
* depends/asoc-dma:
ASoC: dmaengine: fix deferred probe detection
ASoC: dmaengine: support deferred probe for DMA channels
dma: add channel request API that supports deferred probe
ASoC: dmaengine: add custom DMA config to snd_dmaengine_pcm_config
ASoC: don't leak on error in snd_dmaengine_pcm_register
ASoC: restructure dmaengine_pcm_request_chan_of()
ASoC: generic-dmaengine-pcm: Set BATCH flag when residue reporting is not supported
ASoC: Add resource managed snd_dmaengine_pcm_register()
* depends/dma-of:
dma: add dma_get_any_slave_channel(), for use in of_xlate()
* depends/tegra-clk: (42 commits)
clk: tegra: fix __clk_lookup() return value checks
clk: tegra: Do not print errors for clk_round_rate()
clk: tegra: Initialize DSI low-power clocks
clk: tegra: add FUSE clock device
clk: tegra: Properly setup PWM clock on Tegra30
clk: tegra: Initialize secondary gr3d clock on Tegra30
clk: tegra114: Initialize clocks needed for HDMI
clk: tegra124: add suspend/resume function for tegra_cpu_car_ops
clk: tegra124: add wait_for_reset and disable_clock for tegra_cpu_car_ops
clk: tegra124: Add support for Tegra124 clocks
clk: tegra124: Add new peripheral clocks
clk: tegra124: Add common clk IDs to clk-id.h
clk: tegra: add TEGRA_PERIPH_NO_GATE
clk: tegra: add locking to periph clks
clk: tegra: Add periph regs bank X
clk: tegra: Add support for PLLSS
clk: tegra: move tegra20 to common infra
clk: tegra: move tegra30 to common infra
clk: tegra: introduce common gen4 super clock
clk: tegra: move PMC, fixed clocks to common files
...
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch describes the inline_data support in f2fs document.
Signed-off-by: Huajun Li <huajun.li@intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This patch adds OF parser support for davinci gpio
driver and also appropriate documentation in gpio-davinci.txt
located at Documentation/devicetree/bindings/gpio/.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: KV Sujith <sujithkv@ti.com>
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
[prabhakar.csengg@gmail.com: simplified the OF code, removed
unnecessary DT property and also simplified
the commit message]
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
New drivers
* HID inclinometer driver.
* DHT11 humidity driver. Note that previous humidity drivers have been in
hwmon, but no one was ever entirely happy with that, and they should find
a more comfortable home in IIO (their original placement in hwmon was my
fault - oops). As this is our first humidity driver, core support is also
added.
New features
* Two of mxs-lradc channels are internally wired to a temperature sensor,
make this explicit in the driver by providing the relevant temperature
channel.
* Add support for blocking IO on buffers.
* Add a data_available call back to the interface between buffer implementations
and the core. This is much cleaner than the old, 'stufftoread' flag.
Implemented in the kfifo buffer.
Cleanups
* Last user of the old event configuration interface is converted and the
old interface dropped. Nice to be rid of this thanks to Lars-Peter's hard
work!
* Replace all remaining instances of the IIO_ST macro with explicit filling
of the scan_type structure within struct iio_chan_spec. This macro was a
bad idea, that rapidly ceased to cover all elements of the structure.
Miss reading of the macro arguements has led to a number of bugs so lets
just get rid of it. The final removal patch is awaiting for some fixes
to make their way into mainline.
In a couple of drivers, no elements of scan_type were even being used so
in those case, it has been dropped entirely.
* Drop a couple of of_match_ptr helper uses in drivers where devicetree is
not optional and hence the structures being protected by this always exist.
* Fix up some cases where data was read from a device in a particular
byte order, but he code placed it into a s16 or similar. These were
highlighted by Sparse.
* Use the new ATTRIBUTE_GROUPS macro to drop some boiler plate in the triggers
core code.
* ad7746 and ad7280a - stop storing buffers on the stack, giving cleaner code
and possibly avoiding issues with i2c bus drivers that assume they can dma
directly into the buffer. Note that this cannot currently happen as the the
i2c_smbus_read_i2c_block_data function has a memcpy from the buffer actually
passed to the bus driver. I missed this element of the commit message
and don't think it is major enough to rebase the iio tree.
* ad5791 and ad5504 stop storing buffers on the stack for an SPI driver.
Unlike the i2c drivers, this is a real issue for SPI drivers which can dma
directly into the buffer supplied.
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Merge tag 'iio-for-3.14b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
2nd round of new IIO drivers, features and cleanups for the 3.14 cycle.
New drivers
* HID inclinometer driver.
* DHT11 humidity driver. Note that previous humidity drivers have been in
hwmon, but no one was ever entirely happy with that, and they should find
a more comfortable home in IIO (their original placement in hwmon was my
fault - oops). As this is our first humidity driver, core support is also
added.
New features
* Two of mxs-lradc channels are internally wired to a temperature sensor,
make this explicit in the driver by providing the relevant temperature
channel.
* Add support for blocking IO on buffers.
* Add a data_available call back to the interface between buffer implementations
and the core. This is much cleaner than the old, 'stufftoread' flag.
Implemented in the kfifo buffer.
Cleanups
* Last user of the old event configuration interface is converted and the
old interface dropped. Nice to be rid of this thanks to Lars-Peter's hard
work!
* Replace all remaining instances of the IIO_ST macro with explicit filling
of the scan_type structure within struct iio_chan_spec. This macro was a
bad idea, that rapidly ceased to cover all elements of the structure.
Miss reading of the macro arguements has led to a number of bugs so lets
just get rid of it. The final removal patch is awaiting for some fixes
to make their way into mainline.
In a couple of drivers, no elements of scan_type were even being used so
in those case, it has been dropped entirely.
* Drop a couple of of_match_ptr helper uses in drivers where devicetree is
not optional and hence the structures being protected by this always exist.
* Fix up some cases where data was read from a device in a particular
byte order, but he code placed it into a s16 or similar. These were
highlighted by Sparse.
* Use the new ATTRIBUTE_GROUPS macro to drop some boiler plate in the triggers
core code.
* ad7746 and ad7280a - stop storing buffers on the stack, giving cleaner code
and possibly avoiding issues with i2c bus drivers that assume they can dma
directly into the buffer. Note that this cannot currently happen as the the
i2c_smbus_read_i2c_block_data function has a memcpy from the buffer actually
passed to the bus driver. I missed this element of the commit message
and don't think it is major enough to rebase the iio tree.
* ad5791 and ad5504 stop storing buffers on the stack for an SPI driver.
Unlike the i2c drivers, this is a real issue for SPI drivers which can dma
directly into the buffer supplied.
Pull block fixes from Jens Axboe:
- fix for a memory leak on certain unplug events
- a collection of bcache fixes from Kent and Nicolas
- a few null_blk fixes and updates form Matias
- a marking of static of functions in the stec pci-e driver
* 'for-linus' of git://git.kernel.dk/linux-block:
null_blk: support submit_queues on use_per_node_hctx
null_blk: set use_per_node_hctx param to false
null_blk: corrections to documentation
null_blk: warning on ignored submit_queues param
null_blk: refactor init and init errors code paths
null_blk: documentation
null_blk: mem garbage on NUMA systems during init
drivers: block: Mark the functions as static in skd_main.c
bcache: New writeback PD controller
bcache: bugfix for race between moving_gc and bucket_invalidate
bcache: fix for gc and writeback race
bcache: bugfix - moving_gc now moves only correct buckets
bcache: fix for gc crashing when no sectors are used
bcache: Fix heap_peek() macro
bcache: Fix for can_attach_cache()
bcache: Fix dirty_data accounting
bcache: Use uninterruptible sleep in writeback
bcache: kthread don't set writeback task to INTERUPTIBLE
block: fix memory leaks on unplugging block device
bcache: fix sparse non static symbol warning
Pull libata fixes from Tejun Heo:
"There's one interseting commit - "libata, freezer: avoid block device
removal while system is frozen". It's an ugly hack working around a
deadlock condition between driver core resume and block layer device
removal paths through freezer which was made more reproducible by
writeback being converted to workqueue some releases ago. The bug has
nothing to do with libata but it's just an workaround which is easy to
backport. After discussion, Rafael and I seem to agree that we don't
really need kernel freezables - both kthread and workqueue. There are
few specific workqueues which constitute PM operations and require
freezing, which will be converted to use workqueue_set_max_active()
instead. All other kernel freezer uses are planned to be removed,
followed by the removal of kthread and workqueue freezer support,
hopefully.
Others are device-specific fixes. The most notable is the addition of
NO_NCQ_TRIM which is used to disable queued TRIM commands to Micro
M500 SSDs which otherwise suffers data corruption"
* 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
libata, freezer: avoid block device removal while system is frozen
libata: implement ATA_HORKAGE_NO_NCQ_TRIM and apply it to Micro M500 SSDs
libata: disable a disk via libata.force params
ahci: bail out on ICH6 before using AHCI BAR
ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN
libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for Seagate Momentus SpinPoint M8
Document the device tree bindings for the sci serial port devices.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
- add DMA controller, SPI, and TMU DT nodes for exynos5420
- add PWM DT nodes for exynos5250 and exynos5420
- drop interrupt controller properties from MCT nodes
because MCT is not an interrupt controller
- move MCT nodes to exynos4x12 from board because it is
a per-processor interrupt and same 4212 and 4412
- use one cell for MCT interrupt map for exynos4 SoCs
- update Exynos MCT DT bindings accordingly
- fix missing spaces after labels for exynos
- fix mmc status property for exynos5250-snow
- add MCLK for codec for exynos5250-smdk5250
- disable SPI and I2C by default for exynos5250 SoC
and enable into requiring some boards
- rename cros5250-common to exynos5250-cros-common
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Merge tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:
Samsung DT 2nd updates for v3.14
- add DMA controller, SPI, and TMU DT nodes for exynos5420
- add PWM DT nodes for exynos5250 and exynos5420
- drop interrupt controller properties from MCT nodes
because MCT is not an interrupt controller
- move MCT nodes to exynos4x12 from board because it is
a per-processor interrupt and same 4212 and 4412
- use one cell for MCT interrupt map for exynos4 SoCs
- update Exynos MCT DT bindings accordingly
- fix missing spaces after labels for exynos
- fix mmc status property for exynos5250-snow
- add MCLK for codec for exynos5250-smdk5250
- disable SPI and I2C by default for exynos5250 SoC
and enable into requiring some boards
- rename cros5250-common to exynos5250-cros-common
* tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (27 commits)
ARM: dts: Rename Exynos5250 ChromeOS common file to have exynos prefix
ARM: dts: Disable I2C controllers by default on Exynos5250
ARM: dts: Leave Exynos5250 SPI controller disabled by default
ARM: dts: Add CODEC MCLK for SMDK5250
ARM: dts: Add device nodes for TMU blocks for exynos5420
ARM: dts: Fix status property of mmc nodes for snow board
ARM: dts: Fix missing spaces after labels for exynos
ARM: dts: Simplify MCT interrupt map for exynos4 SoCs
ARM: dts: Move MCT node to exynos4x12.dtsi
ARM: dts: Drop interrupt controller properties from MCT nodes for exynos4 SoCs
Documentation: devicetree: Update Exynos MCT bindings description
ARM: dts: add pwm DT nodes to Exynos5250 and Exynos5420
ARM: dts: Add SPI nodes to the exynos5420 device tree file
ARM: dts: Add DMA controller node info on Exynos5420
ARM: dts: Use MSHC controller for eMMC memory for exynos4412-trats2
ARM: dts: Fix definition of MSHC device tree nodes for exynos4x12
ARM: dts: add clock provider for mshc node for Exynos4412 SOC
clk: samsung: exynos4: Fix definition of div_mmc_pre4 divider
ARM: dts: Fix exynos5250-snow's search key to be L_META
ARM: dts: Add the missing "\" key in non-US keyboards for exynos5250-snow
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Add devicetree binding documentation for isp1704-charger.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This adds an UDC driver for GRUSBDC USB Device Controller cores available in the
GRLIB VHDL IP core library. The driver only supports DMA mode.
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
ams AS3722 device supports the power off by turning off its all rails.
Add dt node properties to enable this functionality on this device.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Charger-manager can parse charger_desc data from devicetree which is used
to register charger manager.
Signed-off-by: Jonghwa Lee <jonghwa3.lee@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Add a binding that describes the Broadcom Kona USB2 PHY found
on the BCM281xx family of SoCs.
Signed-off-by: Matt Porter <mporter@linaro.org>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
dwc2/s3c-hsotg require a single clock to be specified and optionally
a generic phy. On the s3c-hsotg driver old style USB phy support is
present as a fallback so the generic phy properties are optional.
Signed-off-by: Matt Porter <mporter@linaro.org>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'v3.13-rc5' into next
Linux 3.13-rc5
* tag 'v3.13-rc5': (231 commits)
Linux 3.13-rc5
aio: clean up and fix aio_setup_ring page mapping
aio/migratepages: make aio migrate pages sane
aio: fix kioctx leak introduced by "aio: Fix a trinity splat"
Don't set the INITRD_COMPRESS environment variable automatically
mm: fix build of split ptlock code
pstore: Don't allow high traffic options on fragile devices
mm: do not allocate page->ptl dynamically, if spinlock_t fits to long
mm: page_alloc: revert NUMA aspect of fair allocation policy
Revert "mm: page_alloc: exclude unreclaimable allocations from zone fairness policy"
mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support
qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure
target: Remove extra percpu_ref_init
arm64: ptrace: avoid using HW_BREAKPOINT_EMPTY for disabled events
ARC: Allow conditional multiple inclusion of uapi/asm/unistd.h
target/file: Update hw_max_sectors based on current block_size
iser-target: Move INIT_WORK setup into isert_create_device_ib_res
iscsi-target: Fix incorrect np->np_thread NULL assignment
mm/hugetlb: check for pte NULL pointer in __page_check_address()
fix build with make 3.80
...
Conflicts:
drivers/usb/phy/Kconfig
The frequency for the Kona timer can either be specified through the
device tree or determined by checking the rate of the clock specified
in the device tree. Update the documentation to reflect both ways.
Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
The Kona SDHCI block requires a clock that must be specified in the
device tree. Update the documentation to reflect this requirement.
Signed-off-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
This patch adds support for accuracy retrieval on fixed clocks.
It also adds a new dt property called 'clock-accuracy' to define the clock
accuracy.
This can be usefull for oscillator (RC, crystal, ...) definitions which are
always given an accuracy characteristic.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
The clock accuracy is expressed in ppb (parts per billion) and represents
the possible clock drift.
Say you have a clock (e.g. an oscillator) which provides a fixed clock of
20MHz with an accuracy of +- 20Hz. This accuracy expressed in ppb is
20Hz/20MHz = 1000 ppb (or 1 ppm).
Clock users may need the clock accuracy information in order to choose
the best clock (the one with the best accuracy) across several available
clocks.
This patch adds clk accuracy retrieval support for common clk framework by
means of a new function called clk_get_accuracy.
This function returns the given clock accuracy expressed in ppb.
In order to get the clock accuracy, this implementation adds one callback
called recalc_accuracy to the clk_ops structure.
This callback is given the parent clock accuracy (if the clock is not a
root clock) and should recalculate the given clock accuracy.
This callback is optional and may be implemented if the clock is not
a perfect clock (accuracy != 0 ppb).
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Add support for using emev2 SMU clocks with DT
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Merge tag 'renesas-clock-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into clk-next-shmobile2
Renesas ARM based SoC Clock updates for v3.14
Add support for using emev2 SMU clocks with DT
This patch introduces new sysfs entries for users to control the policy of
in-place-updates, namely IPU, in f2fs.
Sometimes f2fs suffers from performance degradation due to its out-of-place
update policy that produces many additional node block writes.
If the storage performance is very dependant on the amount of data writes
instead of IO patterns, we'd better drop this out-of-place update policy.
This patch suggests 5 polcies and their triggering conditions as follows.
[sysfs entry name = ipu_policy]
0: F2FS_IPU_FORCE all the time,
1: F2FS_IPU_SSR if SSR mode is activated,
2: F2FS_IPU_UTIL if FS utilization is over threashold,
3: F2FS_IPU_SSR_UTIL if SSR mode is activated and FS utilization is over
threashold,
4: F2FS_IPU_DISABLE disable IPU. (=default option)
[sysfs entry name = min_ipu_util]
This parameter controls the threshold to trigger in-place-updates.
The number indicates percentage of the filesystem utilization, and used by
F2FS_IPU_UTIL and F2FS_IPU_SSR_UTIL policies.
For more details, see need_inplace_update() in segment.h.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
- Add support Octa Cores for exynos5420
: populate CPU node entries to 8 Cores
: extend mct to support 8 local interrupts
- Update dwmmc nodes for exynos5250 and exynos5420
: change status property of dwmmc nodes for exynos5250
: move dwmmc nodes from exynos5 to exynos5250 because
it's different between exynos5250 and exynos5420
: rename mmc nodes from dwmmc for exynos5 SoCs
: add dwmmc nodes for exynos5420
- Add G-Scaler nodes for exynos5420
- Add HS-i2c nodes in exynos5420
: High Speed I2C 7 channels (4 to 10)
- Update sysreg binding and node name in exynos4
- Update min voltage on exynos5250-arndale
- Move fifo-depth property from boards to exynos5250 SoC
: because the fifo-depth property is SoC specific
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Merge tag 'samsung-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
From Kukjin Kim:
Samsung DT updates for v3.14
- Add support Octa Cores for exynos5420
: populate CPU node entries to 8 Cores
: extend mct to support 8 local interrupts
- Update dwmmc nodes for exynos5250 and exynos5420
: change status property of dwmmc nodes for exynos5250
: move dwmmc nodes from exynos5 to exynos5250 because
it's different between exynos5250 and exynos5420
: rename mmc nodes from dwmmc for exynos5 SoCs
: add dwmmc nodes for exynos5420
- Add G-Scaler nodes for exynos5420
- Add HS-i2c nodes in exynos5420
: High Speed I2C 7 channels (4 to 10)
- Update sysreg binding and node name in exynos4
- Update min voltage on exynos5250-arndale
- Move fifo-depth property from boards to exynos5250 SoC
: because the fifo-depth property is SoC specific
* tag 'samsung-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: Update Samsung sysreg binding document
ARM: dts: Fix sysreg node name in exynos4.dtsi
ARM: dts: Add hs-i2c nodes to exynos5420
ARM: dts: Update min voltage for vdd_arm on Arndale
ARM: dts: populate cpu node entries to 8 cpus for exynos5420
clocksource: mct: extend mct to support 8 local interrupts for Exynos5420
ARM: dts: Add device nodes for GScaler blocks for exynos5420
ARM: dts: Add dwmmc DT nodes for exynos5420 SOC
ARM: dts: rename mmc dts node for exynos5 series
ARM: dts: Move fifo-depth property from exynos5250 board dts
ARM: dts: change status property of dwmmc nodes for exynos5250
ARM: dts: Move dwmmc nodes from exynos5.dtsi to exynos5250.dtsi
Signed-off-by: Olof Johansson <olof@lixom.net>
Add a generic (dtsi) include file for MOXA ART SoCs.
Also add a file for UC-7112-LX.
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
- add DT to sha/des/aes existing drivers
- add DMA DT
- all documentation added to crypto/atmel-crypto.txt file
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Merge tag 'at91-drivers' of git://github.com/at91linux/linux-at91 into next/drivers
From Nicolas Ferre:
AT91 crypto drivers DT support:
- add DT to sha/des/aes existing drivers
- add DMA DT
- all documentation added to crypto/atmel-crypto.txt file
* tag 'at91-drivers' of git://github.com/at91linux/linux-at91:
crypto: atmel-sha - add sha information to the log
crypto: atmel-sha - add support for Device Tree
crypto: atmel-tdes - add support for Device Tree
crypto: atmel-aes - add support for Device Tree
Signed-off-by: Olof Johansson <olof@lixom.net>
Intersil ISL12057 is an I2C RTC chip also supporting two alarms. This
patch only adds support for basic RTC functionalities (i.e. getting
and setting time). Tests have been performed on NETGEAR ReadyNAS 102
w/ startup/shutdown scripts, hwclock, ntpdate and openntpd.
Reviewed-by: Mark Brown <broonie@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Add infrastructure to handle distributor and cpu interface register
accesses through the KVM_{GET/SET}_DEVICE_ATTR interface by adding the
KVM_DEV_ARM_VGIC_GRP_DIST_REGS and KVM_DEV_ARM_VGIC_GRP_CPU_REGS groups
and defining the semantics of the attr field to be the MMIO offset as
specified in the GICv2 specs.
Missing register accesses or other changes in individual register access
functions to support save/restore of the VGIC state is added in
subsequent patches.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Support setting the distributor and cpu interface base addresses in the
VM physical address space through the KVM_{SET,GET}_DEVICE_ATTR API
in addition to the ARM specific API.
This has the added benefit of being able to share more code in user
space and do things in a uniform manner.
Also deprecate the older API at the same time, but backwards
compatibility will be maintained.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Support creating the ARM VGIC device through the KVM_CREATE_DEVICE
ioctl, which can then later be leveraged to use the
KVM_{GET/SET}_DEVICE_ATTR, which is useful both for setting addresses in
a more generic API than the ARM-specific one and is useful for
save/restore of VGIC state.
Adds KVM_CAP_DEVICE_CTRL to ARM capabilities.
Note that we change the check for creating a VGIC from bailing out if
any VCPUs were created, to bailing out if any VCPUs were ever run. This
is an important distinction that shouldn't break anything, but allows
creating the VGIC after the VCPUs have been created.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
The defaults for the module is to instantiate itself with blk-mq and a
submit queue for each CPU node in the system.
To save resources, initialize instead with a single submit queue.
Signed-off-by: Matias Bjorling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Randy Dunlap reported a couple of grammar errors and unfortunate usages of
socket/node/core.
Signed-off-by: Matias Bjorling <m@bjorling.me>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
kexec kernel will need exactly same mapping for EFI runtime memory
ranges. Thus here export the runtime ranges mapping to sysfs,
kexec-tools will assemble them and pass to 2nd kernel via setup_data.
Introducing a new directory /sys/firmware/efi/runtime-map just like
/sys/firmware/memmap. Containing below attribute in each file of that
directory:
attribute num_pages phys_addr type virt_addr
Signed-off-by: Dave Young <dyoung@redhat.com>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Export fw_vendor, runtime and config table physical addresses to
/sys/firmware/efi/{fw_vendor,runtime,config_table} because kexec kernels
need them.
From EFI spec these 3 variables will be updated to virtual address after
entering virtual mode. But kernel startup code will need the physical
address.
Signed-off-by: Dave Young <dyoung@redhat.com>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
tps65910 has a backup battery charger with a configurable voltage. This
patch adds a regulator for the backup battery.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
This patch adds Device Tree support to the Microchip MCP251X driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Introduce TP_STATUS_VLAN_TPID_VALID bit into the documentation.
Signed-off-by: Atzm Watanabe <atzm@stratosphere.co.jp>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch updates description of device tree bindings for Exynos MCT
(multicore timers). Namely:
- added note about simplified specification of local timer interrupts,
when using single per-processor interrupt for all local timers,
- changed first example that was incorrectly suggesting that global
timer interrupts are optional,
- simplified example interrupt map,
- added example showing simplified local timer interrupt specification.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Add DT documentation for SUNXI RTC driver
Signed-off-by: Carlo Caione <carlo.caione@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
* pci/msi:
PCI/MSI: Make pci_enable_msi/msix() 'nvec' argument type as int
PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1
PCI/MSI: Return msix_capability_init() failure if populate_msi_sysfs() fails
s390/PCI: Remove superfluous check of MSI type
s390/PCI: Fix single MSI only check
PCI/MSI: Export MSI mode using attributes, not kobjects
From Uwe Kleine-König:
* efm32/soc: (1003 commits)
ARM: device trees for Energy Micro's EFM32 Cortex-M3 SoCs
ARM: new platform for Energy Micro's EFM32 Cortex-M3 SoCs
+Linux 3.13-rc4
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Make pci_enable_msi_block(), pci_enable_msi_block_auto() and
pci_enable_msix() consistent with regard to the type of 'nvec' argument.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tejun Heo <tj@kernel.org>
During the last media summit meeting it was decided to move this driver to
staging as the first step to removing it altogether.
Most webcams covered by this driver are now supported by gspca. Nobody has the
hardware to convert the remaining devices to gspca.
This driver needs a major overhaul to have it conform to the latest frameworks
and compliancy tests.
Without hardware, however, this is next to impossible. Given the fact that
this driver seems to be pretty much unused (it has been removed from Fedora
several versions ago and nobody complained about that), we decided to drop
this driver.
This patch moves it to staging. Some time in 2014 we will drop it completely.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit adds support for both DSI outputs found on Tegra. Only very
minimal functionality is implemented, so advanced features like ganged
mode won't work.
Due to the lack of other test hardware, some sections of the driver are
hardcoded to work with Dalmore.
Signed-off-by: Thierry Reding <treding@nvidia.com>
In some use cases Zynq's FPGA clocks are used as static clock
generators for IP in the FPGA part of the SOC for which no Linux driver
exists and would control those clocks. To avoid automatic
gating of these clocks in such cases a new property - fclk-enable - is
added to the clock controller's DT description to accomodate such use
cases. It's value is a bitmask, where a set bit results in enabling
the corresponding FCLK through the clkc.
FPGA clocks are handled following the rules below:
If an FCLK is not enabled by bootloaders, that FCLK will be disabled in
Linux. Drivers can enable and control it through the CCF as usual.
If an FCLK is enabled by bootloaders AND the corresponding bit in the
'fclk-enable' DT property is set, that FCLK will be enabled by the clkc,
resulting in an off by one reference count for that clock. Ensuring it
will always be running.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2013-12-19
1) Use the user supplied policy index instead of a generated one
if present. From Fan Du.
2) Make xfrm migration namespace aware. From Fan Du.
3) Make the xfrm state and policy locks namespace aware. From Fan Du.
4) Remove ancient sleeping when the SA is in acquire state,
we now queue packets to the policy instead. This replaces the
sleeping code.
5) Remove FLOWI_FLAG_CAN_SLEEP. This was used to notify xfrm about the
posibility to sleep. The sleeping code is gone, so remove it.
6) Check user specified spi for IPComp. Thr spi for IPcomp is only
16 bit wide, so check for a valid value. From Fan Du.
7) Export verify_userspi_info to check for valid user supplied spi ranges
with pfkey and netlink. From Fan Du.
8) RFC3173 states that if the total size of a compressed payload and the IPComp
header is not smaller than the size of the original payload, the IP datagram
must be sent in the original non-compressed form. These packets are dropped
by the inbound policy check because they are not transformed. Document the need
to set 'level use' for IPcomp to receive such packets anyway. From Fan Du.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The PCI MSI sysfs code is a mess with kobjects for things that don't really
need to be kobjects. This patch creates attributes dynamically for the MSI
interrupts instead of using kobjects.
Note, this removes a directory from sysfs. Old MSI kobjects:
pci_device
└── msi_irqs
└── 40
└── mode
New MSI attributes:
pci_device
└── msi_irqs
└── 40
As there was only one file "mode" with the kobject model, the interrupt
number is now a file that returns the "mode" of the interrupt (msi vs.
msix).
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Marc Kleine-Budde says:
====================
this is a pull request of four patches for net-next/master.
There is one patch by Markus Pargmann, which speeds up the c_can
driver, a patch by John Whitmore which updates the in tree
documentation. A patch by Jeff Kirsher which replaces the FSF's address
by a link and a patch by Alexander Shiyan which converts the mcp251x
driver to make use of managed resources.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This fixes two spelling mistakes in the design pattern doc.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some boards do not have a PCIe reset GPIO. To avoid probe failure on these
boards, make the reset GPIO optional as well.
[bhelgaas: whitespace fixes]
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Frank Li <lznuaa@gmail.com>
Cc: Harro Haan <hrhaan@gmail.com>
Cc: Mohit KUMAR <Mohit.KUMAR@st.com>
Cc: Pratyush Anand <pratyush.anand@st.com>
Cc: Richard Zhu <r65037@freescale.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Siva Reddy Kallam <siva.kallam@samsung.com>
Cc: Srikanth T Shivanand <ts.srikanth@samsung.com>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Troy Kisky <troy.kisky@boundarydevices.com>
Cc: Yinghai Lu <yinghai@kernel.org>
VFIO currently allocates it's own dynamic chardev range, reserving the
first minor for the control part of the interface (/dev/vfio/vfio) and
the remainder for VFIO groups (/dev/vfio/$GROUP). This works, but it
doesn't support auto loading. For instance when libvirt checks for
VFIO support it looks for /dev/vfio/vfio, which currently doesn't
exist unless the vfio module is loaded. By converting the control
device to a misc driver and reserving a static minor, we can enable
auto loading.
Reserving the minor is a prerequist to that conversion. Minor 196
is unused by anything currently in the kernel.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The documentation has gone out-of-sync, so update it to
the current status.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
After getting warnings in an allyesconfig build[1] from this
driver, I decided to remind myself just how old it was, and
whether it warranted fixing. In the Kconfig help text, I found:
"This driver will eventually be phased out entirely"
Going back to the history archive, I see the line was added[2]
in Feb 2002, when we moved from v2.4.2.1 ---> v2.4.2.2
So, with over a decade of notification, and multiple major releases
since then, I think we can justify removing this. Currently we have
people wasting time building it during routine testing, and then
wasting more time re-researching the known reported warnings, only to
find that nobody really is willing to integrate the fixes[3] for it.
A quick search didn't seem to indicate any active user base for it.
If someone happens to have a quirky _old_ card that the eleven year
old "new" driver doesn't work with, then it is entirely reasonable
that they stick with a kernel version that predates this removal.
[1] drivers/scsi/aic7xxx_old.c: In function ‘aic7xxx_register’:
drivers/scsi/aic7xxx_old.c:7901:5: warning: case value ‘257’ not in enumerated type ‘ahc_chip’ [-Wswitch]
drivers/scsi/aic7xxx_old.c:7898:5: warning: case value ‘513’ not in enumerated type ‘ahc_chip’ [-Wswitch]
drivers/scsi/aic7xxx_old.c: In function ‘aic7xxx_load_seeprom’:
drivers/scsi/aic7xxx_old.c:8517:5: warning: case value ‘257’ not in enumerated type ‘ahc_chip’ [-Wswitch]
drivers/scsi/aic7xxx_old.c:8510:5: warning: case value ‘513’ not in enumerated type ‘ahc_chip’ [-Wswitch]
[2] http://git.kernel.org/cgit/linux/kernel/git/tglx/history.git commit 44e8778c
[3] https://lkml.org/lkml/2012/10/29/215
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The sentence is not proper English, so the use of "general" is now replaced with
"in general". "generally" was also considered, but "in general" is probably the
correct in this case.
Signed-off-by: Laszlo Papp <lpapp@kde.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This adds omap control module support for USBSS in AM437x SoC.
Update DT binding information to reflect these changes.
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'v3.13-rc4' into next
Linux 3.13-rc4
* tag 'v3.13-rc4': (1001 commits)
Linux 3.13-rc4
null_blk: mem garbage on NUMA systems during init
radeon_pm: fix oops in hwmon_attributes_visible() and radeon_hwmon_show_temp_thresh()
Revert "selinux: consider filesystem subtype in policies"
igb: Fix for issue where values could be too high for udelay function.
i40e: fix null dereference
ARM: fix asm/memory.h build error
dm array: fix a reference counting bug in shadow_ablock
dm space map: disallow decrementing a reference count below zero
mm: memcg: do not allow task about to OOM kill to bypass the limit
mm: memcg: fix race condition between memcg teardown and swapin
thp: move preallocated PTE page table on move_huge_pmd()
mfd/rtc: s5m: fix register updating by adding regmap for RTC
rtc: s5m: enable IRQ wake during suspend
rtc: s5m: limit endless loop waiting for register update
rtc: s5m: fix unsuccesful IRQ request during probe
drivers/rtc/rtc-s5m.c: fix info->rtc assignment
include/linux/kernel.h: make might_fault() a nop for !MMU
drivers/rtc/rtc-at91rm9200.c: correct alarm over day/month wrap
procfs: also fix proc_reg_get_unmapped_area() for !MMU case
...
Signed-off-by: Felipe Balbi <balbi@ti.com>
These update binding information for ti qspi controller.
Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Sysfs interfaces for the GenWQE card. There are attributes to query
the version of the bitstream as well as some for the driver. For
debugging, please also see the debugfs interfaces of this driver.
Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Co-authors: Joerg-Stephan Vogt <jsvogt@de.ibm.com>,
Michael Jung <MIJUNG@de.ibm.com>,
Michael Ruettger <michael@ibmra.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Debugfs interfaces for the GenWQE card. Help to debug potential
problems. Dump internal chip state for debugging and failure
determination.
Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Co-authors: Joerg-Stephan Vogt <jsvogt@de.ibm.com>,
Michael Jung <MIJUNG@de.ibm.com>,
Michael Ruettger <michael@ibmra.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document the clock properties required by the atmel-ssc driver.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Document the clock properties required by the atmel_tclib driver.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull crypto key patches from David Howells:
"There are four items:
- A patch to fix X.509 certificate gathering. The problem was that I
was coming up with a different path for signing_key.x509 in the
build directory if it didn't exist to if it did exist. This meant
that the X.509 cert container object file would be rebuilt on the
second rebuild in a build directory and the kernel would get
relinked.
- Unconditionally remove files generated by SYSTEM_TRUSTED_KEYRING=y
when doing make mrproper.
- Actually initialise the persistent-keyring semaphore for
init_user_ns. I have no idea why this works at all for users in
the base user namespace unless it's something to do with systemd
containerising the system.
- Documentation for module signing"
* 'keys-devel' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
Add Documentation/module-signing.txt file
KEYS: fix uninitialized persistent_keyring_register_sem
KEYS: Remove files generated when SYSTEM_TRUSTED_KEYRING=y
X.509: Fix certificate gathering
This new mode discards all incoming fragmentation-needed notifications
as I guess was originally intended with this knob. To not break backward
compatibility too much, I only added a special case for mode 2 in the
receiving path.
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Conflicts:
drivers/net/ethernet/intel/i40e/i40e_main.c
drivers/net/macvtap.c
Both minor merge hassles, simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds the Document for Freescale SAI driver under
Documentation/devicetree/bindings/sound/.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Fix some typos and while at it also use "PS" as the name for the central
"HOME" button on Sony controllers, this is how Sony itself calls it.
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This feature extends the generic cryptographic device driver (zcrypt)
with a new capability to service EP11 requests for the Crypto Express4S
card in EP11 (Enterprise PKCS#11 mode) coprocessor mode.
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This patch enables the JPEG codec on S5PV210 and Exynos4210 SoCs. There are
some differences in newer versions of the JPEG codec IP on SoCs like Exynos4x12
and Exynos5 series and support for them will be added in subsequent patches.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Add board support with device tree for Hisilicon Hi3620 SoC platform.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
[khilman: fix checkpatch errors]
[khilman: fold in patch which selects GPIO in Kconfig]
Signed-off-by: Kevin Hilman <khilman@linaro.org>
When I added support for ACPI5 I made the assumption that
injected processor errors would just need to know the APICID,
memory errors just the address and mask, and PCIe errors just the
segment/bus/device/function. So I had the code check the type of injection
and multiplex the "param1" value appropriately.
This was not a good assumption :-(
There are injection scenarios where we need to specify more than one of
these items. E.g. injecting a cache error we need to specify an APICID
of the cpu that owns the cache, and also an address (so that we can trip
the error by accessing the address).
Add a "flags" file to give the user direct access to specify which items
are valid in the ACPI SET_ERROR_TYPE_WITH_ADDRESS structure. Also add
new files param3 and param4 to hold all these values.
For backwards compatability with old injection scripts we maintain the
old behaviour if flags remains set at zero (or is reset to 0).
Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Fix minor typo in "Parameters:" of KVM_ARM_VCPU_INIT documentation.
Signed-off-by: Anup Patel <anup.patel@linaro.org>
Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Document the clock properties required by the at91 usart driver.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds the devicetree documentation for the Cirrus Logic
CLPS711X UART.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Introduce device tree bindings for the MIPI pad calibration controller
found on Tegra SoCs. The controller can be used to perform calibration
of pads used for DSI and CSI peripherals.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The display controller primary clock was recently renamed to "dc", so
update the example to reflect that.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Use the DRM panel framework to attach a panel to an output. If the panel
attached to a connector supports supports the backlight brightness
accessors, a property will be available to allow the brightness to be
modified from userspace.
Signed-off-by: Thierry Reding <treding@nvidia.com>
This binding specifies a set of common properties for display panels. It
can be used as a basis by bindings for specific panels.
Bindings for three specific panels are provided to show how the simple
panel binding can be used.
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Document the device tree bindings for the MIPI DSI bus. The MIPI Display
Serial Interface specifies a serial bus and a protocol for communication
between a host and up to four peripherals.
Signed-off-by: Thierry Reding <treding@nvidia.com>
This series converts the Tegra DTs and drivers to use the common/
standard DMA and reset bindings, rather than custom bindings. It also
adds complete documentation for the Tegra clock bindings without
actually changing any binding definitions.
This conversion relies on a few sets of patches in branches from outside
the Tegra tree:
1) A patch to add an DMA channel request API which allows deferred probe
to be implemented.
2) A patch to implement a common part of the of_xlate function for DMA
controllers.
3) Some ASoC patches (which in turn rely on (1) above), which support
deferred probe during DMA channel allocation.
4) The Tegra clock driver changes for 3.14.
Consequently, this branch is based on a merge of all of those external
branches.
In turn, this branch is or will be pulled into a few places that either
rely on features introduced here, or would otherwise conflict with the
patches:
a) Tegra's own for-3.14/powergate and for-4.14/dt branches, to avoid
conflicts.
b) The DRM tree, which introduces new code that relies on the reset
controller framework introduced in this branch, and to avoid
conflicts.
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Merge tag 'tegra-for-3.14-dmas-resets-rework' into drm/for-next
ARM: tegra: implement common DMA and resets DT bindings
This series converts the Tegra DTs and drivers to use the common/
standard DMA and reset bindings, rather than custom bindings. It also
adds complete documentation for the Tegra clock bindings without
actually changing any binding definitions.
This conversion relies on a few sets of patches in branches from outside
the Tegra tree:
1) A patch to add an DMA channel request API which allows deferred probe
to be implemented.
2) A patch to implement a common part of the of_xlate function for DMA
controllers.
3) Some ASoC patches (which in turn rely on (1) above), which support
deferred probe during DMA channel allocation.
4) The Tegra clock driver changes for 3.14.
Consequently, this branch is based on a merge of all of those external
branches.
In turn, this branch is or will be pulled into a few places that either
rely on features introduced here, or would otherwise conflict with the
patches:
a) Tegra's own for-3.14/powergate and for-4.14/dt branches, to avoid
conflicts.
b) The DRM tree, which introduces new code that relies on the reset
controller framework introduced in this branch, and to avoid
conflicts.
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Merge tag 'v3.13-rc4' into core/locking
Merge Linux 3.13-rc4, to refresh this rather old tree with the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
commit 887c290e (sched/numa: Decide whether to favour task or group weights
based on swap candidate relationships) drop the check against
sysctl_numa_balancing_settle_count, this patch remove the sysctl.
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Link: http://lkml.kernel.org/r/1386833006-6600-1-git-send-email-liwanp@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Changed MAINTAINERS file to add Documentation/networking/can.txt to the list of
maintained files.
can.txt:
- Globally changed Socket CAN to SocketCAN
- Removed section 3.3 from the document
- Updated Section 7
- Corrected a few simple typos
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: John Whitmore <johnfwhitmore@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
The Atmel PWM controller uses the standard device tree bindings for PWM
controllers.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
machines are sporting a new extended error logging capability which, if
done properly in the BIOS, makes a corresponding EDAC module redundant,
from Gong Chen.
* PCIe AER tracepoint severity levels fix, from Rui Wang.
* Error path correction for the mce device init, from Levente Kurusa.
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Merge tag 'ras_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into x86/ras
Pull RAS updates from Borislav Petkov:
* Add the functionality to override error reporting agents as some
machines are sporting a new extended error logging capability which, if
done properly in the BIOS, makes a corresponding EDAC module redundant,
from Gong Chen.
* PCIe AER tracepoint severity levels fix, from Rui Wang.
* Error path correction for the mce device init, from Levente Kurusa.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Create Documentation/networking/ipsec.txt to document IPsec
corner issues and other info, which will be useful when user
deploying IPsec.
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Historically, an UNLOCK+LOCK pair executed by one CPU, by one
task, or on a given lock variable has implied a full memory
barrier. In a recent LKML thread, the wisdom of this historical
approach was called into question:
http://www.spinics.net/lists/linux-mm/msg65653.html, in part due
to the memory-order complexities of low-handoff-overhead queued
locks on x86 systems.
This patch therefore removes this guarantee from the
documentation, and further documents how to restore it via a new
smp_mb__after_unlock_lock() primitive.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <linux-arch@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1386799151-2219-6-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The situations in which ACCESS_ONCE() is required are not well
documented, so this commit adds some verbiage to
memory-barriers.txt.
Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <linux-arch@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1386799151-2219-4-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
No SMP architecture currently supporting Linux allows
speculative writes, so this commit updates
Documentation/memory-barriers.txt to prohibit them in Linux core
code. It also records restrictions on their use.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <linux-arch@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1386799151-2219-3-git-send-email-paulmck@linux.vnet.ibm.com
[ Paul modified the original patch from Peter. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Although the atomic_long_t functions are quite useful, they are
a bit obscure. This commit therefore adds the common ones
alongside their atomic_t counterparts in
Documentation/memory-barriers.txt.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <linux-arch@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1386799151-2219-2-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The Documentation/memory-barriers.txt file was written before
the need for ACCESS_ONCE() was fully appreciated. It therefore
contains no ACCESS_ONCE() calls, which can be a problem when
people lift examples from it. This commit therefore adds
ACCESS_ONCE() calls.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: <linux-arch@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1386799151-2219-1-git-send-email-paulmck@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Use the preferred style sizeof(VARIABLE) instead of sizeof(TYPE) in the
joystick API documentation, Documentation/CodingStyle states that this
is the preferred style for allocations but using it elsewhere is good
too.
Also fix some errors like "sizeof(struct mybuffer)" which didn't mean
anything.
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Nowadays the joystick device nodes are created under /dev/input, reflect
this in the documentation in order to make copy and paste easier for
users.
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'v3.13-rc4' into next
Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.
This commit adds slew-rate and input-enable/disable support for pinconf
-generic.
Signed-off-by: Sherman Yin <syin@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Use the more specific form 8974 for the compatible to reduce the
risk of future mishaps.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch adds a new DMA_TYPE for SSI dual FIFO script, included
in SDMA firmware version 2. This script would allow SSI use dual
fifo mode to transimit/receive data without occasional hardware
underrun/overrun.
Signed-off-by: Nicolin Chen <b42378@freescale.com>
Acked-by: Kumar Gala <galak@codeaurora.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Pull networking fixes from David Miller:
1) Revert CHECKSUM_COMPLETE optimization in pskb_trim_rcsum(), I can't
figure out why it breaks things.
2) Fix comparison in netfilter ipset's hash_netnet4_data_equal(), it
was basically doing "x == x", from Dave Jones.
3) Freescale FEC driver was DMA mapping the wrong number of bytes, from
Sebastian Siewior.
4) Blackhole and prohibit routes in ipv6 were not doing the right thing
because their ->input and ->output methods were not being assigned
correctly. Now they behave properly like their ipv4 counterparts.
From Kamala R.
5) Several drivers advertise the NETIF_F_FRAGLIST capability, but
really do not support this feature and will send garbage packets if
fed fraglist SKBs. From Eric Dumazet.
6) Fix long standing user triggerable BUG_ON over loopback in RDS
protocol stack, from Venkat Venkatsubra.
7) Several not so common code paths can potentially try to invoke
packet scheduler actions that might be NULL without checking. Shore
things up by either 1) defining a method as mandatory and erroring
on registration if that method is NULL 2) defininig a method as
optional and the registration function hooks up a default
implementation when NULL is seen. From Jamal Hadi Salim.
8) Fix fragment detection in xen-natback driver, from Paul Durrant.
9) Kill dangling enter_memory_pressure method in cg_proto ops, from
Eric W Biederman.
10) SKBs that traverse namespaces should have their local_df cleared,
from Hannes Frederic Sowa.
11) IOCB file position is not being updated by macvtap_aio_read() and
tun_chr_aio_read(). From Zhi Yong Wu.
12) Don't free virtio_net netdev before releasing all of the NAPI
instances. From Andrey Vagin.
13) Procfs entry leak in xt_hashlimit, from Sergey Popovich.
14) IPv6 routes that are no cached routes should not count against the
garbage collection limits. We had this almost right, but were
missing handling addrconf generated routes properly. From Hannes
Frederic Sowa.
15) fib{4,6}_rule_suppress() have to consider potentially seeing NULL
route info when they are called, from Stefan Tomanek.
16) TUN and MACVTAP have had truncated packet signalling for some time,
fix from Jason Wang.
17) Fix use after frrr in __udp4_lib_rcv(), from Eric Dumazet.
18) xen-netback does not interpret the NAPI budget properly for TX work,
fix from Paul Durrant.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (132 commits)
igb: Fix for issue where values could be too high for udelay function.
i40e: fix null dereference
xen-netback: fix gso_prefix check
net: make neigh_priv_len in struct net_device 16bit instead of 8bit
drivers: net: cpsw: fix for cpsw crash when build as modules
xen-netback: napi: don't prematurely request a tx event
xen-netback: napi: fix abuse of budget
sch_tbf: use do_div() for 64-bit divide
udp: ipv4: must add synchronization in udp_sk_rx_dst_set()
net:fec: remove duplicate lines in comment about errata ERR006358
Revert "8390 : Replace ei_debug with msg_enable/NETIF_MSG_* feature"
8390 : Replace ei_debug with msg_enable/NETIF_MSG_* feature
xen-netback: make sure skb linear area covers checksum field
net: smc91x: Fix device tree based configuration so it's usable
udp: ipv4: fix potential use after free in udp_v4_early_demux()
macvtap: signal truncated packets
tun: unbreak truncated packet signalling
net: sched: htb: fix the calculation of quantum
net: sched: tbf: fix the calculation of max_size
micrel: add support for KSZ8041RNLI
...
Added a binding example for reference and updated the
node name. While at it also removed the name description
as it is not necessary.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch adds the mmc device tree node entries for exynos5420 SOC.
Exynos5420 has a different version of DWMMC controller,so a new
compatible string is used to distinguish it from the prior SOC's.
Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Add a driver for SILabs 570, 571, 598, 599 programmable oscillators.
The devices generate low-jitter clock signals and are reprogrammable via
an I2C interface.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Device tree clock binding document for EMMA Mobile EV2 SMU,
And Common clock framework based implementation of it.
Following nodes are defined to describe clock tree.
- renesas,emev2-smu
- renesas,emev2-smu-clkdiv
- renesas,emev2-smu-gclk
These bindings are designed manually based on
19UH0037EJ1000_SMU : System Management Unit User's Manual
So far, reparent is not implemented, and is fixed to index #0.
Clock tree description is not included, and should be provided
by device-tree.
Signed-off-by: Takashi Yoshii <takasi-y@ops.dti.ne.jp>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
A fix for possible memory corruption during DM table load, fix a
possible leak of snapshot space in case of a crash, fix a possible
deadlock due to a shared workqueue in the delay target, fix to
initialize read-only module parameters that are used to export metrics
for dm stats and dm bufio.
Quite a few stable fixes were identified for both the thin-provisioning
and caching targets as a result of increased regression testing using
the device-mapper-test-suite (dmts). The most notable of these are the
reference counting fixes for the space map btree that is used by the
dm-array interface -- without these the dm-cache metadata will leak,
resulting in dm-cache devices running out of metadata blocks. Also,
some important fixes related to the thin-provisioning target's
transition to read-only mode on error.
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Merge tag 'dm-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"A set of device-mapper fixes for 3.13.
A fix for possible memory corruption during DM table load, fix a
possible leak of snapshot space in case of a crash, fix a possible
deadlock due to a shared workqueue in the delay target, fix to
initialize read-only module parameters that are used to export metrics
for dm stats and dm bufio.
Quite a few stable fixes were identified for both the thin-
provisioning and caching targets as a result of increased regression
testing using the device-mapper-test-suite (dmts). The most notable
of these are the reference counting fixes for the space map btree that
is used by the dm-array interface -- without these the dm-cache
metadata will leak, resulting in dm-cache devices running out of
metadata blocks. Also, some important fixes related to the
thin-provisioning target's transition to read-only mode on error"
* tag 'dm-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm array: fix a reference counting bug in shadow_ablock
dm space map: disallow decrementing a reference count below zero
dm stats: initialize read-only module parameter
dm bufio: initialize read-only module parameters
dm cache: actually resize cache
dm cache: update Documentation for invalidate_cblocks's range syntax
dm cache policy mq: fix promotions to occur as expected
dm thin: allow pool in read-only mode to transition to read-write mode
dm thin: re-establish read-only state when switching to fail mode
dm thin: always fallback the pool mode if commit fails
dm thin: switch to read-only mode if metadata space is exhausted
dm thin: switch to read only mode if a mapping insert fails
dm space map metadata: return on failure in sm_metadata_new_block
dm table: fail dm_table_create on dm_round_up overflow
dm snapshot: avoid snapshot space leak on crash
dm delay: fix a possible deadlock due to shared workqueue
Register the firmware operations for Trusted Foundations if the device
tree indicates it is active on the device.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Add the Device Tree bindings documentation for the Trusted Foundation
secure monitor.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Prefer use of the direct definition of struct pci_device_id instead of
indirection via macro DEFINE_PCI_DEVICE_TABLE.
Update the PCI documentation to deprecate DEFINE_PCI_DEVICE_TABLE. Update
checkpatch adding --fix option.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
This patch adds the Documentation/module-signing.txt file that is
currently missing from the Documentation directory. The init/Kconfig
file references the Documentation/module-signing.txt file to explain
how kernel module signing works. This patch supplies this documentation.
Signed-off-by: James Solner <solner@alcatel-lucent.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This adds very basic device tree files for the Marvell Armada 1500 SoC
(Berlin BG2) and the Sony NSZ-GS7 GoogleTV board. Currently, SoC only has
nodes for cpus, some clocks, l2 cache controller, local timer, apb timers,
uart, and interrupt controllers. The Sony NSZ-GS7 is a GoogleTV consumer
device comprising the Armada 1500 SoC above.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jisheng Zhang <jszhang@marvell.com>
This adds known facts and rumors about the Marvell Berlin (88DE3xxx) SoC
family to the Marvell SoC documentation.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This adds an irqchip driver and corresponding devicetree binding for the
secondary interrupt controllers based on Synopsys DesignWare IP dw_apb_ictl.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
MSTP clocks are gate clocks controlled through a register that handles
up to 32 clocks. The register is often sparsely populated.
Those clocks are found on Renesas ARM SoCs.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
DIV6 clocks are divider gate clocks controlled through a single
register. The divider is expressed on 6 bits, hence the name, and can
take values from 1/1 to 1/64.
Those clocks are found on Renesas ARM SoCs.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
The R-Car Gen2 SoCs (R8A7790 and R8A7791) have several clocks that are
too custom to be supported in a generic driver. Those clocks can be
divided in two categories:
- Fixed rate clocks with multiplier and divisor set according to boot
mode configuration
- Custom divider clocks with SoC-specific divider values
This driver supports both.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Added device tree support for TI's Keystone USB driver and updated the
Documentation with device tree binding information.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Added device tree support for TI's Keystone USB PHY driver and updated the
Documentation with device tree binding information.
Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
This device tree binding document describes the Tegra124 pincontrol
DT bindings. This document lists all valid properties, names, mux
options of Tegra124 pins.
Changes from V1:
- Referred the dt-binding header file on describing the nodes.
Changes from V2:
- Rewording reg properties.
- drop drv_type as it is not applicable.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
On non-DT platforms IRQ controllers associated with the GPIOs have a
fixed IRQ base value known at compile time. The sh-pfc driver translates
GPIO number to IRQ numbers using a hardcoded table. This mechanism
breaks on DT platforms, as the IRQ base values are dynamic in that case.
Fix this by specifying IRQs associated with GPIOs in IRQ resources,
populated automatically from the device tree. When IRQ resources are
specified the driver requires one IRQ resource per GPIO able to generate
an interrupt, and uses the translation table to compute the IRQ resource
offset instead of the IRQ number.
Cc: devicetree@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
doc.2013.12.03a: Topic branch for documentation changes.
fixes.2013.12.12a: Topic branch for miscellaneous fixes.
rcutorture.2013.12.03a: Topic branch for new rcutorture/KVM scripting.
sparse.2013.12.12a: Topic branch for sparse-RCU changes.
Tegra124 adds a number of extra modules into the configlink bus, which
must be taken out of reset before the bus is used. Update the AHUB
driver to know about these extra modules (the AHUB HW module hosts the
configlink bus).
Based-on-work-by: Arun Shamanna Lakshmi <aruns@nvidia.com>
Based-on-work-by: Songhee Baek <sbaek@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Mark Brown <broonie@linaro.org>
---
This patch depends on "ASoC: tegra: use reset framework" to compile,
which is ack'd and slated to go through a (large) topic branch in the
Tegra tree. So, we can either:
a) Merge that Tegra topic branch into the ASoC tree, then apply this.
Note that I haven't created the topic branch yet, since I'm still
waiting for DMA dependencies to be applied.
b) Apply this change to the Tegra tree too. This change isn't directly
related to the changes in the Tegra tree; it just makes use of the new
reset controller feature that's introduced there.
Add support for using FunctionFS in configfs-based USB gadgets.
[ balbi@ti.com : removed redefinition of VERBOSE_DEBUG and few
trailing whitespaces ]
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Pull media fixes from Mauro Carvalho Chehab:
"A dvb core deadlock fix, a couple videobuf2 fixes an a series of media
driver fixes"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (30 commits)
[media] videobuf2-dma-sg: fix possible memory leak
[media] vb2: regression fix: always set length field.
[media] mt9p031: Include linux/of.h header
[media] rtl2830: add parent for I2C adapter
[media] media: marvell-ccic: use devm to release clk
[media] ths7303: Declare as static a private function
[media] em28xx-video: Swap release order to avoid lock nesting
[media] usbtv: Add support for PAL video source
[media] media_tree: Fix spelling errors
[media] videobuf2: Add support for file access mode flags for DMABUF exporting
[media] radio-shark2: Mark shark_resume_leds() inline to kill compiler warning
[media] radio-shark: Mark shark_resume_leds() inline to kill compiler warning
[media] af9035: unlock on error in af9035_i2c_master_xfer()
[media] af9033: fix broken I2C
[media] v4l: omap3isp: Don't check for missing get_fmt op on remote subdev
[media] af9035: fix broken I2C and USB I/O
[media] wm8775: fix broken audio routing
[media] marvell-ccic: drop resource free in driver remove
[media] tef6862/radio-tea5764: actually assign clamp result
[media] cx231xx: use after free on error path in probe
...
Some devices drivers make use of optional GPIO parameters. For such
drivers, it is important to discriminate between the case where no
GPIO mapping has been defined for the function they are requesting, and
the case where a mapping exists but an error occured while resolving it
or when acquiring the GPIO.
This patch changes the family of gpiod_get() functions such that they
will return -ENOENT if and only if no GPIO mapping is defined for the
requested function. Other error codes are used when an actual error
occured during the GPIO resolution.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Merge tag 'keys-devel-20131210' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull misc keyrings fixes from David Howells:
"These break down into five sets:
- A patch to error handling in the big_key type for huge payloads.
If the payload is larger than the "low limit" and the backing store
allocation fails, then big_key_instantiate() doesn't clear the
payload pointers in the key, assuming them to have been previously
cleared - but only one of them is.
Unfortunately, the garbage collector still calls big_key_destroy()
when sees one of the pointers with a weird value in it (and not
NULL) which it then tries to clean up.
- Three patches to fix the keyring type:
* A patch to fix the hash function to correctly divide keyrings off
from keys in the topology of the tree inside the associative
array. This is only a problem if searching through nested
keyrings - and only if the hash function incorrectly puts the a
keyring outside of the 0 branch of the root node.
* A patch to fix keyrings' use of the associative array. The
__key_link_begin() function initially passes a NULL key pointer
to assoc_array_insert() on the basis that it's holding a place in
the tree whilst it does more allocation and stuff.
This is only a problem when a node contains 16 keys that match at
that level and we want to add an also matching 17th. This should
easily be manufactured with a keyring full of keyrings (without
chucking any other sort of key into the mix) - except for (a)
above which makes it on average adding the 65th keyring.
* A patch to fix searching down through nested keyrings, where any
keyring in the set has more than 16 keyrings and none of the
first keyrings we look through has a match (before the tree
iteration needs to step to a more distal node).
Test in keyutils test suite:
http://git.kernel.org/cgit/linux/kernel/git/dhowells/keyutils.git/commit/?id=8b4ae963ed92523aea18dfbb8cab3f4979e13bd1
- A patch to fix the big_key type's use of a shmem file as its
backing store causing audit messages and LSM check failures. This
is done by setting S_PRIVATE on the file to avoid LSM checks on the
file (access to the shmem file goes through the keyctl() interface
and so is gated by the LSM that way).
This isn't normally a problem if a key is used by the context that
generated it - and it's currently only used by libkrb5.
Test in keyutils test suite:
http://git.kernel.org/cgit/linux/kernel/git/dhowells/keyutils.git/commit/?id=d9a53cbab42c293962f2f78f7190253fc73bd32e
- A patch to add a generated file to .gitignore.
- A patch to fix the alignment of the system certificate data such
that it it works on s390. As I understand it, on the S390 arch,
symbols must be 2-byte aligned because loading the address discards
the least-significant bit"
* tag 'keys-devel-20131210' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
KEYS: correct alignment of system_certificate_list content in assembly file
Ignore generated file kernel/x509_certificate_list
security: shmem: implement kernel private shmem inodes
KEYS: Fix searching of nested keyrings
KEYS: Fix multiple key add into associative array
KEYS: Fix the keyring hash function
KEYS: Pre-clear struct key on allocation
Add support for Device Tree and use of the DMA DT API to
get the channels if needed.
Documentation is added for these DT nodes.
Initial code by: Nicolas Royer and Eukrea.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for Device Tree and use of the DMA DT API to
get the channels if needed.
Documentation is added for these DT nodes.
Initial code by: Nicolas Royer and Eukrea.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Add support for Device Tree and use of the DMA DT API to
get the needed channels.
Documentation is added for these DT nodes.
Initial code by: Nicolas Royer and Eukrea.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
The documented value of #interrupt-cells is 1.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Various improvements and bugfixes in the signal processor handling.
Document kvm support for diagnose (s390 hypercalls). And last but
not least, fix a bug in the s390 ioeventfd backend that was causing
us grief in scenarios with 4G+ memory.
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Merge tag 'kvm-s390-20131211' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-next
Some further s390 patches for kvm-next.
Various improvements and bugfixes in the signal processor handling.
Document kvm support for diagnose (s390 hypercalls). And last but
not least, fix a bug in the s390 ioeventfd backend that was causing
us grief in scenarios with 4G+ memory.
This patch significantly updates the BPF documentation and describes
its internal architecture, Linux extensions, and handling of the
kernel's BPF and JIT engine, plus documents how development can be
facilitated with the help of bpf_dbg, bpf_asm, bpf_jit_disasm.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Update all the Tegra DT bindings to require the standard dmas/dma-names
properties rather than non-standard nvidia,dma-request-selector property.
This is a DT-ABI-incompatible change. It is the second of two changes
required for me to consider the Tegra DT bindings as stable, the other
being the previous conversion to the common reset bindings.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Update all the Tegra DT bindings to require resets/reset-names properties
where the HW module has reset inputs. Remove any entries from clocks or
clock-names that were only required to identify reset inputs, rather than
referring to real clocks.
This is a DT-ABI-incompatible change. It is the first of two changes
required for me to consider the Tegra DT bindings as stable, the other
being conversion to the common DMA DT bindings.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Many of the Tegra DT binding documents say nothing about the clocks or
clock-names properties, yet those are present and required in DT files.
This patch simply updates the documentation file to match the implicit
definition of the binding, based on real-world DT content.
All Tegra bindings that mention clocks are updated to have consistent
wording and formatting of the clock-related properties.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Commit 89ce376c6b (drivers/net: Use of_match_ptr() macro in smc91x.c)
added minimal device tree support to smc91x, but it's not working on
many platforms because of the lack of some key configuration bits.
Fix the issue by parsing the necessary configuration like the
smc911x driver is doing. As most smc91x users seem to use 16-bit
access, let's default to that if no reg-io-width is specified.
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: netdev@vger.kernel.org
Cc: devicetree@vger.kernel.org
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add some further documentation on the DIAGNOSE calls we support.
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This new parameter is used to control how to report HW error reporting,
especially for newer Intel platform, like Ivybridge-EX, which contains
an enhanced error decoding functionality in the firmware, i.e. eMCA.
Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/1386310630-12529-2-git-send-email-gong.chen@linux.intel.com
[ Boris: massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
- Delete some static core module mappings.
- Move EBI location to the device tree.
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Merge tag 'integrator-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/dt
From Linus Walleij:
Two integrator device tree patches for v3.14:
- Delete some static core module mappings.
- Move EBI location to the device tree.
* tag 'integrator-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: integrator: move EBI to the device tree
ARM: integrator: delete static core module mappings
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Most of the Allwinner SoCs (at this time, all but the A10) also have a
High Speed timers that are not using the 24MHz oscillator as a source
but rather the AHB clock running much faster.
The IP is slightly different between the A10s/A13 and the one used in
the A20/A31, since the latter have 4 timers available, while the former
have only 2 of them.
[dlezcano] : Fixed conflict with b788beda "Order Kconfig options
alphabetically"
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Links for 'The Perfect Patch' which described on HOWTO document is
broken. Change those links to the copy at ozlabs.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Links for 'The Perfect Patch' which described on HOWTO document is
broken. Change those links to the copy at ozlabs.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Links for 'The Perfect Patch' which described on HOWTO document is
broken. Change those links to the copy at ozlabs.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sites for 'The Perfect Patch' which described on HOWTO
document(kerneltrap.org and userweb.kernel.org) are down.
Change those links to the copy at ozlabs.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After realizing that we tend to tell developers the same thing over
and over, let's attempt to document some commin design patterns
used in the device drivers. The idea is that this can be extended
so I just start out with two well-known design patterns.
Cc: Rob Landley <rob@landley.net>
Cc: Mark Brown <broonie@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This has gone a little stale.
Reported-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
The cache target's invalidate_cblocks message allows cache block
(cblock) ranges to be expressed with: <cblock start>-<cblock end>
The range's <cblock end> value is "one past the end", so the range
includes <cblock start> through <cblock end>-1.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Stop that, stop that! You're not going to do a song while I'm here.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
- many little corrections and documentation updates
- LCD FB Device Tree for at91sam9263 and at91sam9g45 boards
- crypto peripherals DT entries + DMA specification
- new Cosino board
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Merge tag 'at91-dt' of git://github.com/at91linux/linux-at91 into next/dt
From Nicolas Ferre:
First DT pull-request for 3.14
- many little corrections and documentation updates
- LCD FB Device Tree for at91sam9263 and at91sam9g45 boards
- crypto peripherals DT entries + DMA specification
- new Cosino board
* tag 'at91-dt' of git://github.com/at91linux/linux-at91: (21 commits)
ARM: at91/at91rm9200ek.dts: rearrange nodes in address ascending order
ARM: at91: dt: at91rm9200ek: add emac and nor flash support
ARM: at91: add uart aliases to sama5d3 dtsi
ARM: at91: add i2c2 pinctrl speficifation to sama5d3 DT
ARM: at91: Animeo IP: fix mtd partition table
ARM: at91: at91sam9g45: add i2c pinctrl
ARM: at91: at91sam9g45: set default mmc pinctrl-names
ARM: at91: sama5d3: enable qt1070 as a wakeup source
ARM: at91: add support for Cosino board series by HCE Engineering
ARM: at91/dt/sama5d3: add DMA information to SHA/AES/TDES nodes
ARM: at91/dt/trivial: before sama5d3, Atmel MPU were using at91 prefix
ARM: at91/dt/trivial: use macro for AES irq type
ARM: at91: sam9263ek: add dt lcd support
ARM: at91: at9sam9m10g45ek: add dt lcd support
ARM: at91: sam9263: add fb dt support
ARM: at91: sam9g45: add fb dt support
ARM: at91/dt: binding: add missing compatibility string in SDRAM/DDR documentation
ARM: at91/dt: binding: add precision to AIC documentation
ARM: at91/dt: add atmel,pullup-gpio to at91rm9200ek usb1 definition
ARM: at91/dt: add ethernet phy to at91rm9200ek board
...
Signed-off-by: Kevin Hilman <khilman@linaro.org>
DDR3A/B, ARM and PA PLL controllers have clkod register bits for
configuring postdiv values. So use it instead of using fixed
post dividers for these pll controllers. Assume that if fixed-postdiv
attribute is not present, use clkod register value for pistdiv.
Also update the Documentation of bindings to reflect the same.
Cc: Mike Turquette <mturquette@linaro.org
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
a8b1474442 ("sysfs: give different locking key to regular and bin
files") in driver-core-linus modifies sysfs_open_file() so that it
gives out different locking classes to sysfs_open_files depending on
whether the file is bin or not. Due to the massive kernfs
reorganization in driver-core-next, this naturally causes merge
conflict in fs/sysfs/file.c.
Due to the way things are split between kernfs and sysfs in
driver-core-next, the same fix can't easily be applied to
driver-core-next. This merge simply ignores the offending commit. A
following patch will implement a separate fix for the issue.
Signed-off-by: Tejun Heo <tj@kernel.org>
Optional DT property to specify the desired parent clock for the McASP fck
clock.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
The IP in DRA7xx is similar to the IP found in TI81xxAM3xxx/AM4xxx type of
SoCs but it is is integrated with sDMA instead of eDMA. The suitable pcm
driver for DRA7xx is the omap-pcm driver which is using dmaengine.
In the driver we can configure both dma related structures used for eDMA and
sDMA. The only thing we need to make sure that we set the correct dma_data
at startup with snd_soc_dai_set_dma_data()
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
AM43xx have the same McASP IP as AM33xx and both platform uses eDMA. Modify
the Kconfig so it will be possible to add audio support for AM43xx based
boards later.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
There are quite a lot of drivers touching a PHY device MII_BMCR
register to reset the PHY without taking care of:
1) ensuring that BMCR_RESET is cleared after a given timeout
2) the PHY state machine resuming to the proper state and re-applying
potentially changed settings such as auto-negotiation
Introduce phy_poll_reset() which will take care of polling the MII_BMCR
for the BMCR_RESET bit to be cleared after a given timeout or return a
timeout error code.
In order to make sure the PHY is in a correct state, phy_init_hw() first
issues a software reset through MII_BMCR and then applies any fixups.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch introduces a PACKET_QDISC_BYPASS socket option, that
allows for using a similar xmit() function as in pktgen instead
of taking the dev_queue_xmit() path. This can be very useful when
PF_PACKET applications are required to be used in a similar
scenario as pktgen, but with full, flexible packet payload that
needs to be provided, for example.
On default, nothing changes in behaviour for normal PF_PACKET
TX users, so everything stays as is for applications. New users,
however, can now set PACKET_QDISC_BYPASS if needed to prevent
own packets from i) reentering packet_rcv() and ii) to directly
push the frame to the driver.
In doing so we can increase pps (here 64 byte packets) for
PF_PACKET a bit:
# CPUs -- QDISC_BYPASS -- qdisc path -- qdisc path[**]
1 CPU == 1,509,628 pps -- 1,208,708 -- 1,247,436
2 CPUs == 3,198,659 pps -- 2,536,012 -- 1,605,779
3 CPUs == 4,787,992 pps -- 3,788,740 -- 1,735,610
4 CPUs == 6,173,956 pps -- 4,907,799 -- 1,909,114
5 CPUs == 7,495,676 pps -- 5,956,499 -- 2,014,422
6 CPUs == 9,001,496 pps -- 7,145,064 -- 2,155,261
7 CPUs == 10,229,776 pps -- 8,190,596 -- 2,220,619
8 CPUs == 11,040,732 pps -- 9,188,544 -- 2,241,879
9 CPUs == 12,009,076 pps -- 10,275,936 -- 2,068,447
10 CPUs == 11,380,052 pps -- 11,265,337 -- 1,578,689
11 CPUs == 11,672,676 pps -- 11,845,344 -- 1,297,412
[...]
20 CPUs == 11,363,192 pps -- 11,014,933 -- 1,245,081
[**]: qdisc path with packet_rcv(), how probably most people
seem to use it (hopefully not anymore if not needed)
The test was done using a modified trafgen, sending a simple
static 64 bytes packet, on all CPUs. The trick in the fast
"qdisc path" case, is to avoid reentering packet_rcv() by
setting the RAW socket protocol to zero, like:
socket(PF_PACKET, SOCK_RAW, 0);
Tradeoffs are documented as well in this patch, clearly, if
queues are busy, we will drop more packets, tc disciplines are
ignored, and these packets are not visible to taps anymore. For
a pktgen like scenario, we argue that this is acceptable.
The pointer to the xmit function has been placed in packet
socket structure hole between cached_dev and prot_hook that
is hot anyway as we're working on cached_dev in each send path.
Done in joint work together with Jesper Dangaard Brouer.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge 'net' into 'net-next' to get the AF_PACKET bug fix that
Daniel's direct transmit changes depend upon.
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit e40526cb20 introduced a cached dev pointer, that gets
hooked into register_prot_hook(), __unregister_prot_hook() to
update the device used for the send path.
We need to fix this up, as otherwise this will not work with
sockets created with protocol = 0, plus with sll_protocol = 0
passed via sockaddr_ll when doing the bind.
So instead, assign the pointer directly. The compiler can inline
these helper functions automagically.
While at it, also assume the cached dev fast-path as likely(),
and document this variant of socket creation as it seems it is
not widely used (seems not even the author of TX_RING was aware
of that in his reference example [1]). Tested with reproducer
from e40526cb20.
[1] http://wiki.ipxwarzone.com/index.php5?title=Linux_packet_mmap#Example
Fixes: e40526cb20 ("packet: fix use after free race in send path when dev is released")
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Tested-by: Salam Noureddine <noureddine@aristanetworks.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 7431798490 (of_spi: add generic binding support to specify cs gpio)
introduced generic binding for gpio chip-select. The cs_gpio struct field,
however, is an internal implementation detail of the Linux SPI subsystem, and
should not be mentioned in the device tree binding documentation. Mention the
previously defined cs-gpios master node property instead.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Mark Brown <broonie@linaro.org>
This patch adds the devicetree documentation for the ADI AXI-SPDIF audio
controller. The controller has:
* One set of memory mapped register
* Two clocks, one for the memory mapped register interface, one used as the
audio reference clock
* A DMA interface for the transmit data
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
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 <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Signed-off-by: Mark Brown <broonie@linaro.org>
This patch adds the devicetree documentation for the ADI AXI-SPDIF audio
controller. The controller has:
* One set of memory mapped register
* Two clocks, one for the memory mapped register interface, one used as the
audio reference clock
* One DMA interface each for the transmit and receive data
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
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 <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Signed-off-by: Mark Brown <broonie@linaro.org>
Currently it is not possible for userspace to map a DMABUF exported buffer
with write permissions. This patch allows to also pass O_RDONLY/O_RDWR when
exporting the buffer, so that userspace may map it with write permissions.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Change the format of the platform GPIO lookup tables to make them less
confusing and improve lookup efficiency.
The previous format was a single linked-list that required to compare
the device name and function ID of every single GPIO defined for each
lookup. Switch that to a list of per-device tables, so that the lookup
can be done in two steps, omitting the GPIOs that are not relevant for a
particular device.
The matching rules are now defined as follows:
- The device name must match *exactly*, and can be NULL for GPIOs not
assigned to a particular device,
- If the function ID in the lookup table is NULL, the con_id argument of
gpiod_get() will not be used for lookup. However, if it is defined, it
must match exactly.
- The index must always match.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The "atmel,at91rm9200-sdramc" was missing from binding documentation.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
In response to the "undocumented compatible strings" message, here is a
patch which is adding the precision of two "chips" that should be used for
the "atmel,<chip>-aic" compatibility string.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Nothing huge, just a few small bugfixes for problems reported, and a device id
update.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Nothing huge, just a few small bugfixes for problems reported, and a
device id update"
* tag 'char-misc-3.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mei: add 9 series PCH mei device ids
drivers/char/i8k.c: add Dell XPLS L421X
MAINTAINERS: add HSI subsystem
misc: mic: Suppress memory space sparse warnings
misc: mic: Fix endianness issues.
misc: mic: Fix user space namespace pollution from mic_common.h.
misc: mic: Bug fix for sysfs poll usage.
misc: mic: Minor bug fix in 'retry' loops.
misc: mic: Change mic_notify(...) to return true.
extcon: remove freed groups caused the panic or warning in unregister flow
extcon: arizona: Get pdata from arizona structure not device
There's no "unlink from sysfs" interface for ksets, so I think callers of
kset_unregister() expect the kset to be removed from sysfs immediately,
without waiting for the last reference to be released.
This patch makes the sysfs removal happen immediately, so the caller may
create a new kset with the same name as soon as kset_unregister() returns.
Without this, every caller has to call "kobject_del(&kset->kobj)" first
unless it knows it will never create a new kset with the same name.
This sometimes shows up on module unload and reload, where the reload fails
because it tries to create a kobject with the same name as one from the
original load that still exists. CONFIG_DEBUG_KOBJECT_RELEASE=y makes this
problem easier to hit.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a new check for CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS to reduce
the number of or's used in the ether_addr_equal comparison to very
slightly improve function performance.
Simplify the ether_addr_equal_64bits implementation.
Integrate and remove the zap_last_2bytes helper as it's now
used only once.
Remove the now unused compare_ether_addr function.
Update the unaligned-memory-access documentation to remove the
compare_ether_addr description and show how unaligned accesses
could occur with ether_addr_equal.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add Tahvo USB transceiver driver.
Based on old code from linux-omap tree. The original driver was written
by Juha Yrjölä, Tony Lindgren, and Timo Teräs.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The 'max-speed' property is optional but defined in the ePAPR
specification and now supported by the Linux Device Tree parsing
infrastructure.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
Please pull this batch of updates intended for the 3.14 stream...
For the mac80211 bits, Johannes says:
"I have various improvements/cleanups/fixes all over, but the shortlog
shows that Luis's regulatory work and mesh work from the cozybit folks
are the biggest ones, along with the CSA fixes."
Along with that, we have big batches of updates to brcmfmac, rtlwifi,
and ath9k. There are updates to wcn36xx, rt2x00, and a handful of
others as well.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
With the introduction of TCP Small Queues, TSO auto sizing, and TCP
pacing, we can implement Automatic Corking in the kernel, to help
applications doing small write()/sendmsg() to TCP sockets.
Idea is to change tcp_push() to check if the current skb payload is
under skb optimal size (a multiple of MSS bytes)
If under 'size_goal', and at least one packet is still in Qdisc or
NIC TX queues, set the TCP Small Queue Throttled bit, so that the push
will be delayed up to TX completion time.
This delay might allow the application to coalesce more bytes
in the skb in following write()/sendmsg()/sendfile() system calls.
The exact duration of the delay is depending on the dynamics
of the system, and might be zero if no packet for this flow
is actually held in Qdisc or NIC TX ring.
Using FQ/pacing is a way to increase the probability of
autocorking being triggered.
Add a new sysctl (/proc/sys/net/ipv4/tcp_autocorking) to control
this feature and default it to 1 (enabled)
Add a new SNMP counter : nstat -a | grep TcpExtTCPAutoCorking
This counter is incremented every time we detected skb was under used
and its flush was deferred.
Tested:
Interesting effects when using line buffered commands under ssh.
Excellent performance results in term of cpu usage and total throughput.
lpq83:~# echo 1 >/proc/sys/net/ipv4/tcp_autocorking
lpq83:~# perf stat ./super_netperf 4 -t TCP_STREAM -H lpq84 -- -m 128
9410.39
Performance counter stats for './super_netperf 4 -t TCP_STREAM -H lpq84 -- -m 128':
35209.439626 task-clock # 2.901 CPUs utilized
2,294 context-switches # 0.065 K/sec
101 CPU-migrations # 0.003 K/sec
4,079 page-faults # 0.116 K/sec
97,923,241,298 cycles # 2.781 GHz [83.31%]
51,832,908,236 stalled-cycles-frontend # 52.93% frontend cycles idle [83.30%]
25,697,986,603 stalled-cycles-backend # 26.24% backend cycles idle [66.70%]
102,225,978,536 instructions # 1.04 insns per cycle
# 0.51 stalled cycles per insn [83.38%]
18,657,696,819 branches # 529.906 M/sec [83.29%]
91,679,646 branch-misses # 0.49% of all branches [83.40%]
12.136204899 seconds time elapsed
lpq83:~# echo 0 >/proc/sys/net/ipv4/tcp_autocorking
lpq83:~# perf stat ./super_netperf 4 -t TCP_STREAM -H lpq84 -- -m 128
6624.89
Performance counter stats for './super_netperf 4 -t TCP_STREAM -H lpq84 -- -m 128':
40045.864494 task-clock # 3.301 CPUs utilized
171 context-switches # 0.004 K/sec
53 CPU-migrations # 0.001 K/sec
4,080 page-faults # 0.102 K/sec
111,340,458,645 cycles # 2.780 GHz [83.34%]
61,778,039,277 stalled-cycles-frontend # 55.49% frontend cycles idle [83.31%]
29,295,522,759 stalled-cycles-backend # 26.31% backend cycles idle [66.67%]
108,654,349,355 instructions # 0.98 insns per cycle
# 0.57 stalled cycles per insn [83.34%]
19,552,170,748 branches # 488.244 M/sec [83.34%]
157,875,417 branch-misses # 0.81% of all branches [83.34%]
12.130267788 seconds time elapsed
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When booted with device tree, we may still have platform data passed
as auxdata. For am3517 this is needed for passing the interrupt_enable
and interrupt_disable callbacks that access the omap system control module
registers. These callback functions will eventually go away when we have
a separate system control module driver.
Some of the things that are currently passed as platform data we don't need
to set up as device tree properties as they are always the same on am3517.
So let's use a new compatible flag for those so we can get those from
the device tree match data.
Also note that we need to fix setting of phy_dev to NULL instead of an empty
string as the code later on uses that to find the first phy on the mdio bus.
This seems to have been caused by 5d69e0076a (net: davinci_emac: switch to
new mdio).
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings says:
====================
SIOCGHWTSTAMP ioctl
1. Add the SIOCGHWTSTAMP ioctl and update the timestamping
documentation.
2. Implement SIOCGHWTSTAMP in most drivers that support SIOCSHWTSTAMP.
3. Add a test program to exercise SIOC{G,S}HWTSTAMP.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This binding mainly serves to document the list of input and output pins
that may be used in a sound card's audio routing table.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Initially, this binding and driver only describe/support playback to
headphones and speakers, and capture from the external microphone, with
GPIO-based jack detection for the headphone jack only.
This driver is useful for the Venice2 board.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This is the first step to move AT91 to the CCF.
- core CCF and drivers for most of the clocks
- use of CCF for sama5d3 (100% DT-based)
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Merge tag 'at91-cleanup' of git://github.com/at91linux/linux-at91 into next/cleanup
From Nicolas Ferre:
AT91: Move to Common Clock Framework and sama5d3 implementation
This is the first step to move AT91 to the CCF.
- core CCF and drivers for most of the clocks
- use of CCF for sama5d3 (100% DT-based)
* tag 'at91-cleanup' of git://github.com/at91linux/linux-at91: (22 commits)
ARM: at91/dt: remove old clk material
ARM: at91: move sama5d3 SoC to common clk
ARM: at91/dt: define sama5d3xek's main clk frequency
ARM: at91/dt: define sama5d3 clocks
ARM: at91: prepare common clk transition for sama5d3 SoC
ARM: at91: prepare sama5 dt boards transition to common clk
ARM: at91: add new compatible strings for pmc driver
ARM: at91: move pit timer to common clk framework
dt: binding: add at91 clks dt bindings documentation
clk: at91: add PMC smd clock
clk: at91: add PMC usb clock
clk: at91: add PMC utmi clock
clk: at91: add PMC programmable clocks
clk: at91: add PMC peripheral clocks
clk: at91: add PMC system clocks
clk: at91: add PMC master clock
clk: at91: add PMC pll clocks
clk: at91: add PMC main clock
clk: at91: add PMC macro file for dt definitions
clk: at91: add PMC base support
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Merging in post-rc1 fixes that have gone into rc2/3 to avoid later conflicts.
* commit 'fixes': (39 commits)
arm: dts: socfpga: Change some clocks of gate-clk type to perip-clk
arm: socfpga: Enable ARM_TWD for socfpga
ARM: multi_v7_defconfig: enable SDHCI_BCM_KONA and MMC_BLOCK_MINORS=16
ARM: sunxi_defconfig: enable NFS, TMPFS, PRINTK_TIME and nfsroot support
ARM: multi_v7_defconfig: enable network for BeagleBone Black
ARM: dts: Fix the name of supplies for smsc911x shared by OMAP
ARM: OMAP2+: Powerdomain: Fix unchecked dereference of arch_pwrdm
ARM: dts: omap3-beagle: Add omap-twl4030 audio support
ARM: dts: omap4-sdp: Fix pin muxing for wl12xx
ARM: dts: omap4-panda-common: Fix pin muxing for wl12xx
ARM: at91: fixed unresolved symbol "at91_pm_set_standby" when built without CONFIG_PM
ARM: at91: add usart3 alias to dtsi
ARM: at91: sama5d3: reduce TWI internal clock frequency
mmc: omap: Fix I2C dependency and make driver usable with device tree
mmc: omap: Fix DMA configuration to not rely on device id
ARM: dts: omap3-beagle: Fix USB host on beagle boards (for 3.13)
ARM: dts: omap3-igep0020: name twl4030 VPLL2 regulator as vdds_dsi
ARM: dts: AM33XX IGEP0033: add USB support
ARM: dts: AM33XX BASE0033: add 32KBit EEPROM support
ARM: dts: AM33XX BASE0033: add pinmux and user led support
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Add "arm,gic-400" compatible property for ARM GIC-400 IP.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Acked-by: Kumar Gala <galak@codeaurora.org>
- Fix compile warnings.
- Fix overly talkative diagnostic messages from usual use
cases wrt GPIO descriptors.
- Add a documentation 00-INDEX
- Use platform GPIOs as fallback when ACPI or device tree is
used as the primary means to get GPIO lines.
- A bug fix for the MPC8572/MPC8536 fixing erroneous input data.
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Merge tag 'gpio-v3.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Here are a few more GPIO patches, we're a bit noisy for being the GPIO
subsystem, mostly due to the new descriptor API, but all is getting
into shape.
- Fix compile warnings
- Fix overly talkative diagnostic messages from usual use cases wrt
GPIO descriptors
- Add a documentation 00-INDEX
- Use platform GPIOs as fallback when ACPI or device tree is used as
the primary means to get GPIO lines
- A bug fix for the MPC8572/MPC8536 fixing erroneous input data"
* tag 'gpio-v3.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpiolib: change a warning to debug message when failing to get gpio
powerpc/gpio: Fix the wrong GPIO input data on MPC8572/MPC8536
gpiolib: use platform GPIO mappings as fallback
Documentation: gpiolib: add 00-INDEX file
gpiolib: fix lookup of platform-mapped GPIOs
gpiolib: add missing declarations
Pads that set this flag must be connected by an active link for the entity
to stream.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Another batch of fixes for ARM SoCs for 3.13. The diffstat is large,
mostly because of:
- Another set of fixes to fix regressions caused by moving OMAP from board
files to DT. Tony thinks this was the last major set of fixes, with
maybe just a few small patches to follow.
- More fixes for Marvell platforms, most dealing with misdescribed PCIe
hardware, i.e. incorrect number of busses on some SoCs, etc. The line
delta adds up due to various ranges moving around when this is fixed.
But there's also:
- Some smaller tweaks to defconfigs to make more boards bootable in my
test setup for better coverage.
- There are also a few other smaller fixes, a short series for at91, a couple
of reverts for ux500, etc.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Another batch of fixes for ARM SoCs for 3.13. The diffstat is large,
mostly because of:
- Another set of fixes to fix regressions caused by moving OMAP from
board files to DT. Tony thinks this was the last major set of
fixes, with maybe just a few small patches to follow.
- More fixes for Marvell platforms, most dealing with misdescribed
PCIe hardware, i.e. incorrect number of busses on some SoCs, etc.
The line delta adds up due to various ranges moving around when
this is fixed.
But there's also:
- Some smaller tweaks to defconfigs to make more boards bootable in
my test setup for better coverage.
- There are also a few other smaller fixes, a short series for at91,
a couple of reverts for ux500, etc"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
arm: dts: socfpga: Change some clocks of gate-clk type to perip-clk
arm: socfpga: Enable ARM_TWD for socfpga
ARM: multi_v7_defconfig: enable SDHCI_BCM_KONA and MMC_BLOCK_MINORS=16
ARM: sunxi_defconfig: enable NFS, TMPFS, PRINTK_TIME and nfsroot support
ARM: multi_v7_defconfig: enable network for BeagleBone Black
ARM: dts: Fix the name of supplies for smsc911x shared by OMAP
ARM: OMAP2+: Powerdomain: Fix unchecked dereference of arch_pwrdm
ARM: dts: omap3-beagle: Add omap-twl4030 audio support
ARM: dts: omap4-sdp: Fix pin muxing for wl12xx
ARM: dts: omap4-panda-common: Fix pin muxing for wl12xx
ARM: at91: fixed unresolved symbol "at91_pm_set_standby" when built without CONFIG_PM
ARM: at91: add usart3 alias to dtsi
ARM: at91: sama5d3: reduce TWI internal clock frequency
mmc: omap: Fix I2C dependency and make driver usable with device tree
mmc: omap: Fix DMA configuration to not rely on device id
ARM: dts: omap3-beagle: Fix USB host on beagle boards (for 3.13)
ARM: dts: omap3-igep0020: name twl4030 VPLL2 regulator as vdds_dsi
ARM: dts: AM33XX IGEP0033: add USB support
ARM: dts: AM33XX BASE0033: add 32KBit EEPROM support
ARM: dts: AM33XX BASE0033: add pinmux and user led support
...
This moves the External Bus Interface (EBI) over to a device
tree node and deletes the static mappings from the platform.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch changes the cpufreq-cpu0 driver to consider if
a cpu needs cooling (with cpufreq). In case the cooling is needed,
the cpu0 device tree node needs to be properly configured
with cooling device properties.
In case these properties are present,, the driver will
load a cpufreq cooling device in the system. The cpufreq-cpu0
driver is not interested in determining how the system should
be using the cooling device. The driver is responsible
only of loading the cooling device.
Describing how the cooling device will be used can be
accomplished by setting up a thermal zone that references
and is composed by the cpufreq cooling device.
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: cpufreq@vger.kernel.org
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
This patch introduces a device tree bindings for
describing the hardware thermal behavior and limits.
Also a parser to read and interpret the data and feed
it in the thermal framework is presented.
This patch introduces a thermal data parser for device
tree. The parsed data is used to build thermal zones
and thermal binding parameters. The output data
can then be used to deploy thermal policies.
This patch adds also documentation regarding this
API and how to define tree nodes to use
this infrastructure.
Note that, in order to be able to have control
on the sensor registration on the DT thermal zone,
it was required to allow changing the thermal zone
.get_temp callback. For this reason, this patch
also removes the 'const' modifier from the .ops
field of thermal zone devices.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Enable common clock driver of Hi3620 SoC. clkgate-seperated driver is
used to support the clock gate that enable/disable/status registers
are seperated.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
This patch adds device tree support to the PXA's PWM driver. Nothing
needs to be extracted from the device tree node by the PWM device.
Client devices need only specify the period; the per-chip index is
implicitly zero because one device node must be present for each PWM
output in use. This approach is more convenient due to the wide
variability in the number of PWM channels present across the various PXA
variants, and is made possible by the fact that the register sets for
each PWM channel are segregated from each other. An of_xlate() method
is added to parse this single-cell node. The existing ID table is
reused for the match table data.
Tested on a Palm Treo 680 (both platform data and DT cases).
Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
- Fix up tc3589x bindings so this chip works again.
- Remove SSP platform devices, as we now boot from device tree
exclusively.
- Delete surplus AB8500/DB8500 platform data, not obtained from
the device tree.
- Add DMA config for the MSP devices.
- A series of 21 patches moving pin control config for the
on-chip Nomadik pin controller from the board file
to the device tree, step by step.
- Two patches to the STE DMA40 driver regarding the high-prio
DMA channel so this can be moved to the device tree. Both have
Vinod's ACK.
- Decommission of the non-device tree boot path for the timer
initialization code.
- Deletion of the non-devicetree probe path from the MTU timer
driver, as all platforms using it are now using device tree.
This has Daniel Lezcano's ACK.
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Merge tag 'ux500-devicetree-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/dt
From Linus Walleij:
Ux500 device tree patches for v3.14, take one:
- Fix up tc3589x bindings so this chip works again.
- Remove SSP platform devices, as we now boot from device tree
exclusively.
- Delete surplus AB8500/DB8500 platform data, not obtained from
the device tree.
- Add DMA config for the MSP devices.
- A series of 21 patches moving pin control config for the
on-chip Nomadik pin controller from the board file
to the device tree, step by step.
- Two patches to the STE DMA40 driver regarding the high-prio
DMA channel so this can be moved to the device tree. Both have
Vinod's ACK.
- Decommission of the non-device tree boot path for the timer
initialization code.
- Deletion of the non-devicetree probe path from the MTU timer
driver, as all platforms using it are now using device tree.
This has Daniel Lezcano's ACK.
* tag 'ux500-devicetree-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (39 commits)
ARM: ux500: decomission custom SMP TWD timer init
clksrc: delete nomadik MTU non-DT boot path
ARM: ux500: decomission the non-DT MTU init sequence
dma: ste_dma40: Parse flags property for new 'high priority channel' request
dma: ste_dma40: Expand DT binding to accept 'high-priority channel' flag
ARM: ux500: Remove checking for DT during timer init
ARM: ux500: Clean-up legacy extern prototype
ARM: ux500: Remove unused call to register AMBA devices
ARM: ux500: Clean-up non-DT IRQ initialisation
pinctrl: nomadik: decomission non-DT boot path
pinctrl: nomadik: move platform data handling into driver
ARM: ux500: get rid of unused header
ARM: ux500: delete Nomadik pinctrl AUXDATA
ARM: ux500: delete remnant pin config macros
ARM: ux500: move snowball pin configs to device tree
ARM: ux500: move snowball LED pin control to device tree
ARM: ux500: convert Snowball SPI pin reference
ARM: ux500: move snowball ethernet config to device tree
ARM: ux500: move HREFv60plus pin configs to device tree
ARM: ux500: move final HREFv60 LCD pins to device tree
...
Signed-off-by: Olof Johansson <olof@lixom.net>
From Tony Lindgren:
Some omap related fixes that have come up with people moving to device
tree only based booting for omap2+.
The series contains a handful of fixes for the igep boards as they were
one of the first omap3 boards to jump over completely to device tree
based booting. So these can be considered regressions compared to
booting igep in legacy mode with board files in v3.12.
Also included are few other device tree vs legacy booting regressions:
- yet more missing omap3 .dtsi entries that have showed up booting
various boards with device tree only
- n900 eMMC device tree fix
- fixes for beagle USB EHCI
- two fixes to make omap2420 MMC work
As we're moving omap2+ to be device tree only for v3.14, I'd like to
have v3.13 work equally well for legacy based booting and device tree
based booting. So there will be likely few more device tree related
booting patches trickling in.
This series also includes a regression fix for the omap timer posted
mode that may wrongly stay on from the bootloader for some SoCs.
* tag 'omap-for-v3.13/fixes-against-rc1-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
mmc: omap: Fix I2C dependency and make driver usable with device tree
mmc: omap: Fix DMA configuration to not rely on device id
ARM: dts: omap3-beagle: Fix USB host on beagle boards (for 3.13)
ARM: dts: omap3-igep0020: name twl4030 VPLL2 regulator as vdds_dsi
ARM: dts: AM33XX IGEP0033: add USB support
ARM: dts: AM33XX BASE0033: add 32KBit EEPROM support
ARM: dts: AM33XX BASE0033: add pinmux and user led support
ARM: dts: AM33XX BASE0033: add pinmux and hdmi node to enable display
ARM: dts: omap3-igep0020: Add pinmuxing for DVI output
ARM: dts: omap3-igep0020: Add pinmux setup for i2c devices
ARM: dts: omap3-igep: Update to use the TI AM/DM37x processor
ARM: dts: omap3-igep: Add support for LBEE1USJYC WiFi connected to SDIO
ARM: dts: omap3-igep: Fix bus-width for mmc1
ARM: OMAP2+: dss-common: change IGEP's DVI DDC i2c bus
ARM: OMAP2+: Disable POSTED mode for errata i103 and i767
ARM: OMAP2+: Fix eMMC on n900 with device tree
ARM: OMAP2+: Add fixed regulator to omap2plus_defconfig
ARM: OMAP2+: Fix more missing data for omap3.dtsi file
Signed-off-by: Olof Johansson <olof@lixom.net>
There are already humidity sensors in the hwmon subsystem,
so we use their unit (milli percent) here as well.
Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This adds a very simplistic driver to utilize the CSI2A interface inside
the ISS subsystem in OMAP4, and dump the data to memory.
Check Documentation/video4linux/omap4_camera.txt for details.
This commit adds the driver core, registers definitions and
documentation.
Signed-off-by: Sergio Aguirre <sergio.a.aguirre@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Traditionally the "get" functions increment the reference count of the
object that is returned, which does not happen with vme_slot_get. The
function vme_slot_get returns the physical VME slot associated with a
particular struct vme_dev. Rename vme_slot_num to avoid any confusion.
Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
