- May 05, 2017
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Daniel Vetter authored
freedesktop.org has adopted a formal&enforced code of conduct: https://www.fooishbar.org/blog/fdo-contributor-covenant/ https://www.freedesktop.org/wiki/CodeOfConduct/ Besides formalizing things a bit more I don't think this changes anything for us, we've already peer-enforced respectful and constructive interactions since a long time. But it's good to document things properly. v2: Drop confusing note from commit message and clarify the grammer (Chris, Alex and others). Cc: Daniel Stone <daniels@collabora.com> Cc: Keith Packard <keithp@keithp.com> Cc: tfheen@err.no Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Reviewed-by:
Daniel Stone <daniels@collabora.com> Reviewed-by:
Sumit Semwal <sumit.semwal@linaro.org> Acked-by:
Archit Taneja <architt@codeaurora.org> Reviewed-by:
Martin Peres <martin.peres@free.fr> Acked-by:
Thierry Reding <treding@nvidia.com> Acked-by:
Jani Nikula <jani.nikula@intel.com> Acked-by:
Vincent Abriou <vincent.abriou@st.com> Acked-by:
Neil Armstrong <narmstrong@baylibre.com> Reviewed-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Acked-by:
Brian Starkey <brian.starkey@arm.com> Acked-by:
Rob Clark <robdclark@gmail.com> Reviewed-by:
David Herrmann <dh.herrmann@gmail.com> Acked-by:
Sean Paul <seanpaul@chromium.org> Reviewed-by:
Harry Wentland <harry.wentland@amd.com> Reviewed-by:
Eric Anholt <eric@anholt.net> Acked-by:
Alex Deucher <alexander.deucher@amd.com> Acked-by:
Gustavo Padovan <gustavo.padovan@collabora.com> Acked-by:
Michel Dänzer <michel.daenzer@amd.com> Acked-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by:
Keith Packard <keithp@keithp.com> Acked-by:
Gabriel Krisman Bertazi <krisman@collabora.co.uk> Acked-by:
Adam Jackson <ajax@redhat.com> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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- May 03, 2017
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Mike Kravetz authored
Adding a brief overview of hugetlbfs reservation design and implementation as an aid to those making code modifications in this area. Link: http://lkml.kernel.org/r/1491586995-13085-1-git-send-email-mike.kravetz@oracle.com Signed-off-by:
Mike Kravetz <mike.kravetz@oracle.com> Acked-by:
Hillf Danton <hillf.zj@alibaba-inc.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michal Hocko <mhocko@kernel.org> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Johannes Weiner authored
Cgroups currently don't report how much shmem they use, which can be useful data to have, in particular since shmem is included in the cache/file item while being reclaimed like anonymous memory. Add a counter to track shmem pages during charging and uncharging. Link: http://lkml.kernel.org/r/20170221164343.32252-1-hannes@cmpxchg.org Signed-off-by:
Johannes Weiner <hannes@cmpxchg.org> Reported-by:
Chris Down <cdown@fb.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Signed-off-by:
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Shaohua Li authored
Show MADV_FREE pages info of each vma in smaps. The interface is for diganose or monitoring purpose, userspace could use it to understand what happens in the application. Since userspace could dirty MADV_FREE pages without notice from kernel, this interface is the only place we can get accurate accounting info about MADV_FREE pages. [mhocko@kernel.org: update Documentation/filesystems/proc.txt] Link: http://lkml.kernel.org/r/89efde633559de1ec07444f2ef0f4963a97a2ce8.1487965799.git.shli@fb.com Signed-off-by:
Shaohua Li <shli@fb.com> Acked-by:
Minchan Kim <minchan@kernel.org> Acked-by:
Michal Hocko <mhocko@suse.com> Acked-by:
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- May 01, 2017
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Liam Beguin authored
Figure 1 is full of whitespaces; fix it Signed-off-by:
Liam Beguin <lbeguin@tycoint.com> Signed-off-by:
Sylvain Lemieux <slemieux@tycoint.com> Acked-by:
Ivan Vecera <ivecera@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Hans-Christian Noren Egtvedt authored
The AVR32 architecture support has been removed from the Linux kernel, hence remove all references to it from Documentation. Signed-off-by:
Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> Signed-off-by:
Håvard Skinnemoen <hskinnemoen@gmail.com> Signed-off-by:
Nicolas Ferre <nicolas.ferre@microchip.com> Acked-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by:
Boris Brezillon <boris.brezillon@free-electrons.com>
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- Apr 27, 2017
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Stan Drozd authored
This commit gets rid of some minor errors in Documentation/: * cputopology.txt: drawes -> drawers * debugging-via-ohci1394.txt: remove an unnecessary line break * static-keys: statemnts -> statements * zorro.txt: busses -> buses Signed-off-by:
Stan Drozd <drozdziak1@gmail.com> Signed-off-by:
Jonathan Corbet <corbet@lwn.net>
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Stan Drozd authored
This commit fixes a repeated "the" in vfio-mediated-device.txt and reflows the paragraph. Signed-off-by:
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Stan Drozd authored
This commit fixes a misspelled header name in the ioctl numbers list Signed-off-by:
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Icenowy Zheng authored
AXP803 have the most regulators in currently supported AXP PMICs. Add info for the regulators in the dt-bindings document. Signed-off-by:
Icenowy Zheng <icenowy@aosc.io> Acked-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Lee Jones <lee.jones@linaro.org>
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Icenowy Zheng authored
AXP803 is a PMIC produced by Shenzhen X-Powers, with either I2C or RSB bus. Add a compatible for it. Signed-off-by:
Chen-Yu Tsai <wens@csie.org> Acked-by:
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Icenowy Zheng authored
In the binding documentation of AXP20X mfd, the compatible strings used to be listed for three per line, which leads to some mess when trying to add AXP803 compatible string (as we have already AXP806 and AXP809 compatibles, which is after AXP803 in ascending order). Make the compatible strings one per line, so that inserting a new compatible string will be directly a new line. Signed-off-by:
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Marek Szyprowski authored
Exynos LPASS requires some clocks to be enabled to make any access to its registers. This patch adds code for handling such clocks. For current set of registers it is enough to keep sfr0_ctrl clock enabled. Till now it worked only because those clocks were enabled by bootloader and driver probe() happened before they were disabled by clock core because of lack of users. Handling those clocks is also needed to make it possible to enable support for audio power domain. This patch requires adding sfr0_ctrl clock to device tree. Signed-off-by:
Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by:
Krzysztof Kozlowski <krzk@kernel.org> Acked-by:
Sylwester Nawrocki <s.nawrocki@samsung.com> Acked-by:
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Marek Szyprowski authored
Pad retention should be controlled from pin control driver, so remove it from Exynos LPASS driver. After this change, no more access to PMU regmap is needed, so remove also the code for handling PMU regmap. Signed-off-by:
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Quentin Schulz authored
This patch removes the sun4i touchscreen controller binding documentation since it has been merged with the sun4i GPADC binding documentation. Signed-off-by:
Quentin Schulz <quentin.schulz@free-electrons.com> Acked-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by:
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Quentin Schulz authored
This patch adds documentation for the A33 GPADC binding. Signed-off-by:
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Steve Twiss authored
Extend existing DA9062 binding information to include the DA9061 PMIC for MFD core and regulators. Add a da9062-onkey link to the existing onkey binding file. Add a da9062-thermal link to the new temperature monitoring binding file. Delete the da9062-watchdog section and replace it with a link to the new DA9061/62 binding information file. Acked-by:
Steve Twiss <stwiss.opensource@diasemi.com> Signed-off-by:
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Sean Wang authored
This patch adds description for LED as the sub-module on MT6397/MT6323 multifunction device. Signed-off-by:
Sean Wang <sean.wang@mediatek.com> Signed-off-by:
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Thor Thayer authored
This patch adds documentation for the Altera A10-SR Reset Controller DT bindings. Signed-off-by:
Thor Thayer <thor.thayer@linux.intel.com> Acked-by:
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Milo Kim authored
This patch describes overall binding for TI LMU MFD devices. Signed-off-by:
Milo Kim <milo.kim@ti.com> Acked-by:
Rob Herring <robh+dt@kernel.org> Acked-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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Rask Ingemann Lambertsen authored
commit b101829a029a ("mfd: axp20x: Fix AXP806 access errors on cold boot") was intended to fix the case where a board uses an AXP806 in slave mode, but the boot loader leaves it in master mode for lack of AXP806 support. But now the driver breaks on boards where the PMIC is operating in master mode. To let the device tree describe which mode of operation is needed, this patch introduces a new property "xpowers,master-mode". Fixes: 204ae296 ("mfd: axp20x: Add bindings for AXP806 PMIC") Signed-off-by:Rask Ingemann Lambertsen <rask@formelder.dk> Acked-by:
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- Apr 26, 2017
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Florian Fainelli authored
The described GPIO reset property is applicable to *all* child PHYs. If we have one reset line per PHY present on the MDIO bus, these automatically become properties of the child PHY nodes. Finally, indicate how the RESET pulse width must be defined, which is the maximum value of all individual PHYs RESET pulse widths determined by reading their datasheets. Fixes: 69226896 ("mdio_bus: Issue GPIO RESET to PHYs.") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Reviewed-by:
Roger Quadros <rogerq@ti.com> Signed-off-by:
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olivier moysan authored
This patch adds documentation of device tree bindings for the STM32 SAI ASoC driver. Signed-off-by:
olivier moysan <olivier.moysan@st.com> Signed-off-by:
Mark Brown <broonie@kernel.org>
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John Hsu authored
Add driver for NAU88L24. Signed-off-by:
John Hsu <KCHSU0@nuvoton.com> Signed-off-by:
John Hsu <supercraig0719@gmail.com> Signed-off-by:
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- Apr 25, 2017
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Leif Middelschulte authored
This patch implements consideration of the SPI_READY mode flag as defined in spi.h. It extends the device tree bindings to support the values defined by the reference manual for the DRCTL field. Thus supporting edge-triggered and level-triggered bursts. Signed-off-by:
Leif Middelschulte <Leif.Middelschulte@gmail.com> Signed-off-by:
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Olimpiu Dejeu authored
Signed-off-by:
Olimpiu Dejeu <olimpiu@arcticsand.com> Acked-by:
Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by:
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- Apr 24, 2017
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Marcos Paulo de Souza authored
Add description of uinput module with a few examples. Signed-off-by:
Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by:
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Hu Ziji authored
Marvell Xenon SDHC can support eMMC/SD/SDIO. Add Xenon-specific properties. Also add properties for Xenon PHY setting. Signed-off-by:
Hu Ziji <huziji@marvell.com> Signed-off-by:
Gregory CLEMENT <gregory.clement@free-electrons.com> Acked-by:
Ulf Hansson <ulf.hansson@linaro.org>
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Jan Glauber authored
Add description of Cavium Octeon and ThunderX SOC device tree bindings. CC: Ulf Hansson <ulf.hansson@linaro.org> CC: Rob Herring <robh+dt@kernel.org> CC: Mark Rutland <mark.rutland@arm.com> CC: devicetree@vger.kernel.org Signed-off-by:
Jan Glauber <jglauber@cavium.com> Signed-off-by:
David Daney <david.daney@cavium.com> Signed-off-by:
Steven J. Hill <steven.hill@cavium.com> Acked-by:
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Adrian Hunter authored
Add helper functions to enable or disable the Command Queue. Signed-off-by:
Adrian Hunter <adrian.hunter@intel.com> Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Sergio Prado authored
Adds the device tree bindings description for Samsung S3C24XX MMC/SD/SDIO controller, used as a connectivity interface with external MMC, SD and SDIO storage mediums. Acked-by:
Sergio Prado <sergio.prado@e-labworks.com> Signed-off-by:
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Piotr Sroka authored
DTS properties are used instead of fixed data because PHY settings can be different for different chips/boards. Add description of new DLL PHY delays. Signed-off-by:
Piotr Sroka <piotrs@cadence.com> Reviewed-by:
Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by:
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yong mao authored
Add description for mediatek,hs200-cmd-int-delay Add description for mediatek,hs400-cmd-int-delay Add description for mediatek,hs400-cmd-resp-sel-rising Signed-off-by:
Yong Mao <yong.mao@mediatek.com> Acked-by:
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Chris Brandt authored
Signed-off-by:
Chris Brandt <chris.brandt@renesas.com> Reviewed-by:
Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by:
Simon Horman <horms+renesas@verge.net.au> Acked-by:
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Eric Anholt authored
This is the other SD controller on the platform, which can be swapped to the role of SD card host using pin muxing. Signed-off-by:
Gerd Hoffmann <kraxel@redhat.com> Acked-by:
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Thierry Reding authored
The SDHCI controller found on Tegra186 in very similar to the controller found on earlier generations of Tegra. Signed-off-by:
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Thierry Reding authored
The list of compatible strings is somewhat difficult to read and extend. Reformat it into a list to make it more easily extensible. While at it, also remove the "plus one of the above" clause because it isn't actually valid. Signed-off-by:
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Wei Wang authored
Middlebox firewall issues can potentially cause server's data being blackholed after a successful 3WHS using TFO. Following are the related reports from Apple: https://www.nanog.org/sites/default/files/Paasch_Network_Support.pdf Slide 31 identifies an issue where the client ACK to the server's data sent during a TFO'd handshake is dropped. C ---> syn-data ---> S C <--- syn/ack ----- S C (accept & write) C <---- data ------- S C ----- ACK -> X S [retry and timeout] https://www.ietf.org/proceedings/94/slides/slides-94-tcpm-13.pdf Slide 5 shows a similar situation that the server's data gets dropped after 3WHS. C ---- syn-data ---> S C <--- syn/ack ----- S C ---- ack --------> S S (accept & write) C? X <- data ------ S [retry and timeout] This is the worst failure b/c the client can not detect such behavior to mitigate the situation (such as disabling TFO). Failing to proceed, the application (e.g., SSL library) may simply timeout and retry with TFO again, and the process repeats indefinitely. The proposed solution is to disable active TFO globally under the following circumstances: 1. client side TFO socket detects out of order FIN 2. client side TFO socket receives out of order RST We disable active side TFO globally for 1hr at first. Then if it happens again, we disable it for 2h, then 4h, 8h, ... And we reset the timeout to 1hr if a client side TFO sockets not opened on loopback has successfully received data segs from server. And we examine this condition during close(). The rational behind it is that when such firewall issue happens, application running on the client should eventually close the socket as it is not able to get the data it is expecting. Or application running on the server should close the socket as it is not able to receive any response from client. In both cases, out of order FIN or RST will get received on the client given that the firewall will not block them as no data are in those frames. And we want to disable active TFO globally as it helps if the middle box is very close to the client and most of the connections are likely to fail. Also, add a debug sysctl: tcp_fastopen_blackhole_detect_timeout_sec: the initial timeout to use when firewall blackhole issue happens. This can be set and read. When setting it to 0, it means to disable the active disable logic. Signed-off-by:
Wei Wang <weiwan@google.com> Acked-by:
Yuchung Cheng <ycheng@google.com> Acked-by:
Neal Cardwell <ncardwell@google.com> Signed-off-by:
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Roger Quadros authored
Some boards [1] leave the PHYs at an invalid state during system power-up or reset thus causing unreliability issues with the PHY which manifests as PHY not being detected or link not functional. To fix this, these PHYs need to be RESET via a GPIO connected to the PHY's RESET pin. Some boards have a single GPIO controlling the PHY RESET pin of all PHYs on the bus whereas some others have separate GPIOs controlling individual PHY RESETs. In both cases, the RESET de-assertion cannot be done in the PHY driver as the PHY will not probe till its reset is de-asserted. So do the RESET de-assertion in the MDIO bus driver. [1] - am572x-idk, am571x-idk, a437x-idk Signed-off-by:
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Colin Ian King authored
trivial fix to spelling mistake in documentation Signed-off-by:
Colin Ian King <colin.king@canonical.com> Acked-by:
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