support for the efuses on Rockchip socs and some improvements for
rk3288 regulators.
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Merge tag 'v4.5-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt
Another new soc - the rk3228 quad-core cortex-a7, a new rk3036 board,
support for the efuses on Rockchip socs and some improvements for
rk3288 regulators.
* tag 'v4.5-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: add the kylin board for rk3036
ARM: dts: rockchip: add the sdio/sdmmc node for rk3036
ARM: dts: rockchip: fix the pinctrl bias settings for rk3036
ARM: dts: rockchip: add eFuse node for rk3188 SoCs
ARM: dts: rockchip: add eFuse node for rk3066a SoCs
ARM: dts: rockchip: add eFuse config of rk3288 SoC
ARM: dts: rockchip: add rk3228-evb board
ARM: dts: rockchip: add core rk3228 dtsi
clk: rockchip: Add the clock ids of rk3288 eFuses
ARM: dts: rockchip: Fix typo in rk3288 sdmmc card detect pin name
ARM: dts: rockchip: fix voltage ranges for rk3288-evb-act8846 board
ARM: dts: rockchip: move the public part to rk3288-evb common
ARM: dts: rockchip: add 2 regulators for rk3288-evb-act8846
ARM: dts: rockchip: correct the name of REG8 for rk3288-evb-act8846
clk: rockchip: add dt-binding header for rk3228
clk: rockchip: add id for mipidsi sclk on rk3288
Signed-off-by: Olof Johansson <olof@lixom.net>
quad-core Cortex-A7 cpu.
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Merge tag 'v4.5-rockchip-soc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/soc
SMP special case for the rk3036 and addition of the rk3228
quad-core Cortex-A7 cpu.
* tag 'v4.5-rockchip-soc-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: rockchip: enable support for RK3228 SoCs
ARM: rockchip: use const and __initconst for rk3036 smp_operations
ARM: rockchip: add support smp for rk3036
Signed-off-by: Olof Johansson <olof@lixom.net>
Move the include of the reset contoller to include/dt-bindings/reset.
Add basic support for mt2701 SoC and evaluation board.
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Merge tag 'v4.4-next-dts' of https://github.com/mbgg/linux-mediatek into next/dt
Add regulators to the scpsys binding.
Move the include of the reset contoller to include/dt-bindings/reset.
Add basic support for mt2701 SoC and evaluation board.
* tag 'v4.4-next-dts' of https://github.com/mbgg/linux-mediatek:
dt-bindings: soc: Add supplies for Mediatek SCPSYS unit
ARM: mediatek: DT: Move reset controller constants into common location
ARM: dts: mediatek: add MT2701 basic support
Document: DT: Add bindings for mediatek MT2701 SoC Platform
Signed-off-by: Olof Johansson <olof@lixom.net>
Add dts for the following boards:
- Zyxel NSA325
- PogoPlug series 4
Add GPU support for Dove
Update boolean property to wakeup source for isil
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Merge tag 'mvebu-dt-4.5-3' of git://git.infradead.org/linux-mvebu into next/dt
mvebu dt for 4.5 (part 3)
Add dts for the following boards:
- Zyxel NSA325
- PogoPlug series 4
Add GPU support for Dove
Update boolean property to wakeup source for isil
* tag 'mvebu-dt-4.5-3' of git://git.infradead.org/linux-mvebu:
ARM: dts: armada: replace isil, irq2-can-wakeup-machine with wakeup-source property
ARM: dts: enable GPU for SolidRun's Cubox
ARM: dts: dove: add DT GPU support
ARM: mvebu: kirkwood: add PogoPlug series 4 device tree
ARM: mvebu: add kirkwood compatibles for cloudengine boards
ARM: dts: kirkwood: Add DTS for Zyxel NSA325
Signed-off-by: Olof Johansson <olof@lixom.net>
* Enable SATA
* Add salvator-x part number to DT bindings documentation
* Enable all four A57 cores instead of just one
* Enhanced audio support:
- Use CS2000 as AUDIO_CLK_B
- Set ak4613 In/Out pin as single-end
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Merge tag 'renesas-arm64-dt3-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt64
Third Round of Renesas ARM64 Based SoC DT Updates for v4.5
* Enable SATA
* Add salvator-x part number to DT bindings documentation
* Enable all four A57 cores instead of just one
* Enhanced audio support:
- Use CS2000 as AUDIO_CLK_B
- Set ak4613 In/Out pin as single-end
* tag 'renesas-arm64-dt3-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
arm64: renesas: r8a7795: fix SATA clock assignment
arm64: dts: salvator-x: Enable SATA controller
arm64: dts: r8a7795: Add SATA controller node
arm64: renesas: r8a7795: add internal delay for i2c IPs
arm64: renesas: salvator-x: Add board part number to DT bindings
arm64: dts: r8a7795: Add pmu device nodes
arm64: dts: r8a7795: Add Cortex-A57 CPU cores
arm64: dts: r8a7795: Add PSCI node
arm64: renesas: salvator-x: use CS2000 as AUDIO_CLK_B
arm64: renesas: salvator-x: set ak4613 In/Out pin as single-end
Signed-off-by: Olof Johansson <olof@lixom.net>
Rockchip clock changes for 4.5 containing
- a new pll-type used on rk3036 and other Cortex-A7 socs
- new clock-trees for rk3036 and rk3228
- switch rk3288 plls to slow mode on reboot
- a bunch of new clock ids
- some more critical clocks
- wrong register offsets for the rk3368 cpuclks
- allowing more than 2 parents for the cpuclk
The UniPhier System Bus is an external bus that connects on-board
devices to the UniPhier SoC. Each bank (chip select) is dynamically
mapped to the CPU-viewed address base via the bus controller. The
bus controller must be configured before any access to the bus.
This driver parses the "ranges" property of the System Bus node and
initialized the bus controller. After the bus becomes ready, devices
below it are populated.
Note:
Each bank can be mapped anywhere in the supported address space;
there is nothing preventing us from assigning bank 0 on 0x42000000,
0x43000000, or anywhere as long as such region is not used by others.
So, the "ranges" is just one possible software configuration, which
does not seem to fit in device tree because device tree is a hardware
description language. However, of_translate_address() requires
"ranges" in every bus node between CPUs and device mapped on the CPU
address space. In other words, "ranges" properties must be statically
defined in device tree. After some discussion, I decided the dynamic
address reassignment by the driver is too bothersome. Instead, the
device tree should provide a reasonable translation setup that the OS
can rely on.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Signed-off-by: Hou Zhiqiang <B48286@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Cortex-A72 has a PMUv3 implementation that is compatible with the PMU
implemented by Cortex-A57.
This patch hooks up the new compatible string so that the Cortex-A57
event mappings are used.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Add a vendor prefix for Sutajio Ko-Usagi PTE Ltd., which goes by the
more common name of Kosagi.
Signed-off-by: Sean Cross <xobs@kosagi.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This adds the documentation for the TS-4800 by Technologic Systems.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
According to commit 2503a5ecd8
"ARM: 6201/1: RealView: Do not use outer_sync() on ARM11MPCore
boards with L220" Some PB11MPCore RealView core tiles have broken
outer_sync.
We got rid of the custom barriers from the machine by disabling
outer sync, but that was just for the boardfile case. We have
to be able to do the same in the device tree case.
Since __l2c_init() is cloning and copying the L2C vtable,
we pass an argument to this function to optionally numb
the outer sync operation if desired, before initializing
the cache.
After this we can set up the cache correctly on the RealView
PB11MPCore. This was tested on a PB11MPCore known to have the
issue. Before this, spurious crashes would occur if we try to
set up the cache properly, after this it boots rock solid.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Like the previous designs, the A80 has a special pin controller for the
critical pins, like the PMIC bus.
Add a driver for this controller.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
[wens: Add A80 compatible strings to bindings doc; fix pin function
names based on v1.3 datasheet; constify of_device_id table]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch adds devicetree tree bindings for the Raspberry Pi power
domain driver.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
We want the USB and PHY fixes in here as well to make things easier for
testing and development.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The documentation in l2c2x0.txt is only valid for L2C210/L2C220/L2C310
(also known as PL210/PL220/PL310 and variants). Mention this explicitly.
And add a note why this isn't valid for integrated L2 controllers.
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The documentation in the l2cc.txt is specific to the L2 cache
controllers L2C210/L2C220/L2C310 (also known as PL210/PL220/PL310
and variants) and not generic as the file name implies. It's not
valid for integrated L2 controllers as found in e.g.
Cortex-A15/A7/A57/A53.
Reflect this by adapting the file name accordingly.
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Deprecate using phy-omap-control driver to power on/off the PHY,
and use *syscon* framework to do the same. This handles
powering on/off the PHY for the USB2 PHYs used in various TI SoCs.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Deprecate using phy-omap-control driver to set PCS value of the PHY
and start using *syscon* API to do the same.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Deprecate using phy-omap-control driver to power on/off the PHY and
use *syscon* framework to do the same.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Allow using the tcm function as a component of a gadget composed with
ConfigFS.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Maxim Integrated MAX3355E chip integrates a charge pump and comparators to
enable a system with an integrated USB OTG dual-role transceiver to
function as an USB OTG dual-role device. In addition to sensing/controlling
Vbus, the chip also passes thru the ID signal from the USB OTG connector.
On some Renesas boards, this signal is just fed into the SoC thru a GPIO
pin -- there's no real OTG controller, only host and gadget USB controllers
sharing the same USB bus; however, we'd like to allow host or gadget
drivers to be loaded depending on the cable type, hence the need for the
MAX3355 extcon driver. The Vbus status signals are also wired to GPIOs
(however, we aren't currently interested in them), the OFFVBUS# signal is
controlled by the host controllers, there's also the SHDN# signal wired to
a GPIO, it should be driven high for the normal operation.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
[cw00.choi: Add the GPIOLIB dependency]
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Introduce a new runtime PM function, pm_runtime_get_if_in_use(),
that will increment the device's runtime PM usage counter and
return 1 if its status is RPM_ACTIVE and its usage counter
is greater than 0 at the same time (0 will be returned otherwise).
This is useful for things that should only be done if the device
is active (from the runtime PM perspective) and used by somebody
(as indicated by the usage counter) already and they are not worth
bothering otherwise.
Requested-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
TPM2 supports authorization policies, which are essentially
combinational logic statements repsenting the conditions where the data
can be unsealed based on the TPM state. This patch enables to use
authorization policies to seal trusted keys.
Two following new options have been added for trusted keys:
* 'policydigest=': provide an auth policy digest for sealing.
* 'policyhandle=': provide a policy session handle for unsealing.
If 'hash=' option is supplied after 'policydigest=' option, this
will result an error because the state of the option would become
mixed.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: Peter Huewe <peterhuewe@gmx.de>
Added 'hash=' option for selecting the hash algorithm for add_key()
syscall and documentation for it.
Added entry for sm3-256 to the following tables in order to support
TPM_ALG_SM3_256:
* hash_algo_name
* hash_digest_size
Includes support for the following hash algorithms:
* sha1
* sha256
* sha384
* sha512
* sm3-256
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Reviewed-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Acked-by: Peter Huewe <peterhuewe@gmx.de>
The BCM7xxx ARM-based and MIPS-based platforms share a similar hardware
block for AHCI SATA3.
This new compatible string, "brcm,bcm7425-sata-phy", may be used for
most MIPS-based platforms of 40nm process technology.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The USB phys on Rockchip SoCs contain their own internal PLLs to create
the 480MHz needed. Additionally this PLL output is also fed back into the
core clock-controller as possible source for clocks like the GPU or others.
Until now this was modelled incorrectly with a "virtual" factor clock in
the clock controller. The one big caveat is that if we turn off the usb phy
via the siddq signal, all analog components get turned off, including the
PLLs. It is therefore possible that a source clock gets disabled without
the clock driver ever knowing, possibly making the system hang.
Therefore register the phy-plls as real clocks that the clock driver can
then reference again normally, making the clock hirarchy finally reflect
the actual hardware.
The phy-ops get converted to simply turning that new clock on and off
which in turn controls the siddq signal of the phy.
Through this the driver gains handling for platform-specific data, to
handle the phy->clock name association.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
We need custom handling for these two socs in the driver shortly,
so add the necessary compatible values to binding and driver.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Support hi6220 use phy for HiKey board
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Note this commit only adds support for phys 1-3, phy 0, the otg phy, is
not yet (fully) supported after this commit.
Signed-off-by: Reinder de Haan <patchesrdh@mveas.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This patch adds support for runtime ID/VBUS pin detection if
the channel 0 of R-Car gen3 is used. So, we are able to use
the channel as both host and peripheral.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This patch adds support for R-Car generation 3 USB2 PHY driver.
This SoC has 3 EHCI/OHCI channels, and the channel 0 is shared
with the HSUSB (USB2.0 peripheral) device. And each channel has
independent registers about the PHYs.
So, the purpose of this driver is:
1) initializes some registers of SoC specific to use the
{ehci,ohci}-platform driver.
2) detects id pin to select host or peripheral on the channel 0.
For now, this driver only supports 1) above.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This patchset is the initiation version to try work
for kylin board.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Documentation for attributes:
* in_allow_async_readout
* in_shunt_resistor
Signed-off-by: Marc Titinger <mtitinger@baylibre.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Pull the GIC related updates from Marc Zyngier:
"Not a lot this time (what a relief!), but an interesting series from
Linus Walleij coming out of his work converting the ARM RealView
platforms to DT, and a couple of mundane fixes."
This patch introduces a command line parameter apic_extnmi:
apic_extnmi=( bsp|all|none )
The default value is "bsp" and this is the current behavior: only the
Boot-Strapping Processor receives an external NMI.
"all" allows external NMIs to be broadcast to all CPUs. This would
raise the success rate of panic on NMI when BSP hangs in NMI context
or the external NMI is swallowed by other NMI handlers on the BSP.
If you specify "none", no CPUs receive external NMIs. This is useful for
the dump capture kernel so that it cannot be shot down by accidentally
pressing the external NMI button (on platforms which have it) while
saving a crash dump.
Signed-off-by: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Bandan Das <bsd@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: kexec@lists.infradead.org
Cc: linux-doc@vger.kernel.org
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: x86-ml <x86@kernel.org>
Link: http://lkml.kernel.org/r/20151210014632.25437.43778.stgit@softrs
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
here is the pull request for the etnaviv DRM driver. It includes the DT bindings
and the driver itself, platform devicetree changes will be merged through the
respective SoC trees. Otherwise it's just a squashed version of the V2 patches
that have been on the list for a while.
* 'drm-etnaviv-next' of git://git.pengutronix.de/git/lst/linux:
MAINTAINERS: add maintainer and reviewers for the etnaviv DRM driver
drm/etnaviv: add initial etnaviv DRM driver
drm/etnaviv: add devicetree bindings
devicetree: add vendor prefix for Vivante Corporation
Seems I lied in my last drm-misc pull request and suddenly there's a big
pile of random stuff. Boris dug out Thierry's drm-trivial branch and
resubmitted everything since that branch didn't really work out.
On top of that Nicolas' changes to drm_dev_set_unique - this might
conflict with new driver pulls (I double checked and current drm-next
should be fine), so please beware. The -next/-fixes conflict in vmwgfx
will change slightly with this here too.
* tag 'topic/drm-misc-2015-12-18' of git://anongit.freedesktop.org/drm-intel: (36 commits)
drm: use dev_name as default unique name in drm_dev_alloc()
drm: make drm_dev_set_unique() not use a format string
drm/vmwgfx: Constify function pointer structs
drm/udl: Constify function pointer structs
drm/tegra: Constify function pointer structs
drm/rockchip: Constify function pointer structs
drm/nouveau: Constify function pointer structs
drm/mgag200: Constify function pointer structs
drm/imx: Constify function pointer structs
drm/i2c/sil164: Constify function pointer structs
drm/i2c/adv7511: Constify function pointer structs
drm/exynos: Constify function pointer structs
drm/cirrus: Constify function pointer structs
drm/i2c/ch7006: Constify function pointer structs
drm/bridge/nxp-ptn3460: Constify function pointer structs
drm/bridge/dw_hdmi: Constify function pointer structs
drm/bochs: Constify function pointer structs
drm/atmel-hlcdc: Constify function pointer structs
drm/armada: Constify function pointer structs
drm: Constify drm_encoder_slave_funcs
...
Device tree bindings for display panels have moved to a new location.
Unfortunately some of the new bindings added recently ended up in the
old location. Move them to their proper place.
Reported-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Reported-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Commit 1f71e8c96f ("drivers: net: cpsw: Add
support for fixed-link PHY") did not parse the "phy-mode" property in
the case of a fixed-link PHY, leaving slave_data->phy_if with its default
of PHY_INTERFACE_MODE_NA(0). This later gets passed to phy_connect() in
cpsw_slave_open(), and eventually to cpsw_phy_sel() where it hits a default
case that configures the MAC for MII mode.
The user visible symptom is that while kernel log messages seem to indicate
that the interface is set up, there is no network communication. Eventually
a watchdog error occurs:
NETDEV WATCHDOG: eth0 (cpsw): transmit queue 0 timed out
Fixes: 1f71e8c96f ("drivers: net: cpsw: Add support for fixed-link PHY")
Signed-off-by: David Rivshin <drivshin@allworx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Allow accepted sockets to derive their sk_bound_dev_if setting from the
l3mdev domain in which the packets originated. A sysctl setting is added
to control the behavior which is similar to sk_mark and
sysctl_tcp_fwmark_accept.
This effectively allow a process to have a "VRF-global" listen socket,
with child sockets bound to the VRF device in which the packet originated.
A similar behavior can be achieved using sk_mark, but a solution using marks
is incomplete as it does not handle duplicate addresses in different L3
domains/VRFs. Allowing sockets to inherit the sk_bound_dev_if from l3mdev
domain provides a complete solution.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The MTD device is now directly embedded in the nand_chip struct. Update the
mtdnand documentation to mention this aspect and fix the different
examples.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
A little bit of a last-minute change for the device tree "fixed partition"
binding. This is needed because we might want to reuse the 'partitions' subnode
for other sorts of partitioning descriptions -- e.g., for describing which
on-flash partition format(s) might be used on the system.
Also tone down a warning message, since it is probably going to show up on a
lot of systems where it should just be ignored.
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Merge tag 'for-linus-20151217' of git://git.infradead.org/linux-mtd
Pull MTD fixes from Brian Norris:
"I was holding out on this pull request for a bit, since there are a
few other small issues being discussed that look like 4.4-rc
regressions. Hopefully I can get those stabilized soon, but these are
ready at any rate:
- A little bit of a last-minute change for the device tree "fixed
partition" binding. This is needed because we might want to reuse
the 'partitions' subnode for other sorts of partitioning
descriptions -- e.g., for describing which on-flash partition
format(s) might be used on the system.
- Also tone down a warning message, since it is probably going to
show up on a lot of systems where it should just be ignored"
* tag 'for-linus-20151217' of git://git.infradead.org/linux-mtd:
doc: dt: mtd: partitions: add compatible property to "partitions" node
mtd: ofpart: don't complain about missing 'partitions' node too loudly
Add qspi memory mapped region entries for AM43xx based SoCs. Also,
update the binding documents for the controller to document this change.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add qspi memory mapped region entries for DRA7xx based SoCs. Also,
update the binding documents for the controller to document this change.
Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
LTC3815 is a Monolithic Synchronous DC/DC Step-Down Converter.
Cc: Michael Jones <mike@proclivis.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
HTU21 is now supported by IIO, and can be instantiated as hwmon driver
using the iio-hwmon bridge. An explicit hwmon driver is no longer needed.
Cc: William Markezana <william.markezana@meas-spec.com>
Cc: Ludovic Tancerel <ludovic.tancerel@maplehightech.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
During the Seoul media workshop we decided to relax the VIDIOC_CREATE_BUFS
specification so it would no longer require drivers to validate the format
field since almost no driver did that anyway.
Instead drivers use the buffer size(s) based on the format type and the
corresponding format fields and will ignore any other fields. If the size
cannot be used an error is returned, otherwise the size is used as-is.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
The queue_setup callback has a void pointer that is just for V4L2
and is the pointer to the v4l2_format struct that was passed to
VIDIOC_CREATE_BUFS. The idea was that drivers would use the information
from that struct to buffers suitable for the requested format.
After the vb2 split series this pointer is now a void pointer,
which is ugly, and the reality is that all existing drivers will
effectively just look at the sizeimage field of v4l2_format.
To make this more generic the queue_setup callback is changed:
the void pointer is dropped, instead if the *num_planes argument
is 0, then use the current format size, if it is non-zero, then
it contains the number of requested planes and the sizes array
contains the requested sizes. If either is unsupported, then return
-EINVAL, otherwise use the requested size(s).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Add the mbigen msi interrupt controller bindings document.
This patch based on Mark Rutland's patch
https://lkml.org/lkml/2015/7/23/558
Signed-off-by: Ma Jun <majun258@huawei.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This adds a binding for the Wolfson WM8974 mono audio codec.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The two API function can cover most, if not all current APIs used to
request a channel. With minimal effort dmaengine drivers, platforms and
dmaengine user drivers can be converted to use the two function.
struct dma_chan *dma_request_chan_by_mask(const dma_cap_mask_t *mask);
To request any channel matching with the requested capabilities, can be
used to request channel for memcpy, memset, xor, etc where no hardware
synchronization is needed.
struct dma_chan *dma_request_chan(struct device *dev, const char *name);
To request a slave channel. The dma_request_chan() will try to find the
channel via DT, ACPI or in case if the kernel booted in non DT/ACPI mode
it will use a filter lookup table and retrieves the needed information from
the dma_slave_map provided by the DMA drivers.
This legacy mode needs changes in platform code, in dmaengine drivers and
finally the dmaengine user drivers can be converted:
For each dmaengine driver an array of DMA device, slave and the parameter
for the filter function needs to be added:
static const struct dma_slave_map da830_edma_map[] = {
{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 0) },
{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 1) },
{ "davinci-mcasp.1", "rx", EDMA_FILTER_PARAM(0, 2) },
{ "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 3) },
{ "davinci-mcasp.2", "rx", EDMA_FILTER_PARAM(0, 4) },
{ "davinci-mcasp.2", "tx", EDMA_FILTER_PARAM(0, 5) },
{ "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 14) },
{ "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 15) },
{ "da830-mmc.0", "rx", EDMA_FILTER_PARAM(0, 16) },
{ "da830-mmc.0", "tx", EDMA_FILTER_PARAM(0, 17) },
{ "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 18) },
{ "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 19) },
};
This information is going to be needed by the dmaengine driver, so
modification to the platform_data is needed, and the driver map should be
added to the pdata of the DMA driver:
da8xx_edma0_pdata.slave_map = da830_edma_map;
da8xx_edma0_pdata.slavecnt = ARRAY_SIZE(da830_edma_map);
The DMA driver then needs to configure the needed device -> filter_fn
mapping before it registers with dma_async_device_register() :
ecc->dma_slave.filter_map.map = info->slave_map;
ecc->dma_slave.filter_map.mapcnt = info->slavecnt;
ecc->dma_slave.filter_map.fn = edma_filter_fn;
When neither DT or ACPI lookup is available the dma_request_chan() will
try to match the requester's device name with the filter_map's list of
device names, when a match found it will use the information from the
dma_slave_map to get the channel with the dma_get_channel() internal
function.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Conflicts:
drivers/net/geneve.c
Here we had an overlapping change, where in 'net' the extraneous stats
bump was being removed whilst in 'net-next' the final argument to
udp_tunnel6_xmit_skb() was being changed.
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement support for the following device-tree and ACPI 5.1 DSD
properties in the goodix touchscreen driver:
- touchscreen-inverted-x: X axis is inverted (boolean)
- touchscreen-inverted-y: Y axis is inverted (boolean)
- touchscreen-swapped-x-y: X and Y axis are swapped (boolean)
These are necessary on tablets which have a display in portrait
format while the touchscreen is in landscape format, such as e.g.
the MSI Primo 81.
Signed-off-by: Karsten Merker <merker@debian.org>
Tested-by: Bastien Nocera <hadess@hadess.net>
Tested-by: Irina Tirdea <irina.tirdea@intel.com> (with ACPI DSD properties)
Tested-by: Aleksei Mamlin <mamlinav@gmail.com> (with device-tree properties)
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
After power on, it is recommended that the driver resets the device.
The reset procedure timing is described in the datasheet and is used
at device init (before writing device configuration) and
for power management. It is a sequence of setting the interrupt
and reset pins high/low at specific timing intervals. This procedure
also includes setting the slave address to the one specified in the
ACPI/device tree.
This is based on Goodix datasheets for GT911 and GT9271 and on Goodix
driver gt9xx.c for Android (publicly available in Android kernel
trees for various devices).
For reset the driver needs to control the interrupt and
reset gpio pins (configured through ACPI/device tree). For devices
that do not have the gpio pins properly declared, the functionality
depending on these pins will not be available, but the device can still
be used with basic functionality.
For both device tree and ACPI, the interrupt gpio pin configuration is
read from the "irq-gpios" property and the reset pin configuration is
read from the "reset-gpios" property. For ACPI 5.1, named properties
can be specified using the _DSD section. This functionality will not be
available for devices that use indexed gpio pins declared in the _CRS
section (we need to provide backward compatibility with devices
that do not support using the interrupt gpio pin as output).
For ACPI, the pins can be specified using ACPI 5.1:
Device (STAC)
{
Name (_HID, "GDIX1001")
...
Method (_CRS, 0, Serialized)
{
Name (RBUF, ResourceTemplate ()
{
I2cSerialBus (0x0014, ControllerInitiated, 0x00061A80,
AddressingMode7Bit, "\\I2C0",
0x00, ResourceConsumer, ,
)
GpioInt (Edge, ActiveHigh, Exclusive, PullNone, 0x0000,
"\\I2C0", 0x00, ResourceConsumer, ,
)
{ // Pin list
0
}
GpioIo (Exclusive, PullDown, 0x0000, 0x0000,
IoRestrictionOutputOnly, "\\I2C0", 0x00,
ResourceConsumer, ,
)
{
1
}
})
Return (RBUF)
}
Name (_DSD, Package ()
{
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package ()
{
Package (2) {"irq-gpios", Package() {^STAC, 0, 0, 0 }},
Package (2) {"reset-gpios", Package() {^STAC, 1, 0, 0 }},
...
}
}
Signed-off-by: Octavian Purdila <octavian.purdila@intel.com>
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Bastien Nocera <hadess@hadess.net>
Tested-by: Bastien Nocera <hadess@hadess.net>
Tested-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull networking fixes from David Miller:
1) Fix uninitialized variable warnings in nfnetlink_queue, a lot of
people reported this... From Arnd Bergmann.
2) Don't init mutex twice in i40e driver, from Jesse Brandeburg.
3) Fix spurious EBUSY in rhashtable, from Herbert Xu.
4) Missing DMA unmaps in mvpp2 driver, from Marcin Wojtas.
5) Fix race with work structure access in pppoe driver causing
corruptions, from Guillaume Nault.
6) Fix OOPS due to sh_eth_rx() not checking whether netdev_alloc_skb()
actually succeeded or not, from Sergei Shtylyov.
7) Don't lose flags when settifn IFA_F_OPTIMISTIC in ipv6 code, from
Bjørn Mork.
8) VXLAN_HD_RCO defined incorrectly, fix from Jiri Benc.
9) Fix clock source used for cookies in SCTP, from Marcelo Ricardo
Leitner.
10) aurora driver needs HAS_DMA dependency, from Geert Uytterhoeven.
11) ndo_fill_metadata_dst op of vxlan has to handle ipv6 tunneling
properly as well, from Jiri Benc.
12) Handle request sockets properly in xfrm layer, from Eric Dumazet.
13) Double stats update in ipv6 geneve transmit path, fix from Pravin B
Shelar.
14) sk->sk_policy[] needs RCU protection, and as a result
xfrm_policy_destroy() needs to free policies using an RCU grace
period, from Eric Dumazet.
15) SCTP needs to clone ipv6 tx options in order to avoid use after
free, from Eric Dumazet.
16) Missing kbuild export if ila.h, from Stephen Hemminger.
17) Missing mdiobus_alloc() return value checking in mdio-mux.c, from
Tobias Klauser.
18) Validate protocol value range in ->create() methods, from Hannes
Frederic Sowa.
19) Fix early socket demux races that result in illegal dst reuse, from
Eric Dumazet.
20) Validate socket address length in pptp code, from WANG Cong.
21) skb_reorder_vlan_header() uses incorrect offset and can corrupt
packets, from Vlad Yasevich.
22) Fix memory leaks in nl80211 registry code, from Ola Olsson.
23) Timeout loop count handing fixes in mISDN, xgbe, qlge, sfc, and
qlcnic. From Dan Carpenter.
24) msg.msg_iocb needs to be cleared in recvfrom() otherwise, for
example, AF_ALG will interpret it as an async call. From Tadeusz
Struk.
25) inetpeer_set_addr_v4 forgets to initialize the 'vif' field, from
Eric Dumazet.
26) rhashtable enforces the minimum table size not early enough,
breaking how we calculate the per-cpu lock allocations. From
Herbert Xu.
27) Fix FCC port lockup in 82xx driver, from Martin Roth.
28) FOU sockets need to be freed using RCU, from Hannes Frederic Sowa.
29) Fix out-of-bounds access in __skb_complete_tx_timestamp() and
sock_setsockopt() wrt. timestamp handling. From WANG Cong.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (117 commits)
net: check both type and procotol for tcp sockets
drivers: net: xgene: fix Tx flow control
tcp: restore fastopen with no data in SYN packet
af_unix: Revert 'lock_interruptible' in stream receive code
fou: clean up socket with kfree_rcu
82xx: FCC: Fixing a bug causing to FCC port lock-up
gianfar: Don't enable RX Filer if not supported
net: fix warnings in 'make htmldocs' by moving macro definition out of field declaration
rhashtable: Fix walker list corruption
rhashtable: Enforce minimum size on initial hash table
inet: tcp: fix inetpeer_set_addr_v4()
ipv6: automatically enable stable privacy mode if stable_secret set
net: fix uninitialized variable issue
bluetooth: Validate socket address length in sco_sock_bind().
net_sched: make qdisc_tree_decrease_qlen() work for non mq
ser_gigaset: remove unnecessary kfree() calls from release method
ser_gigaset: fix deallocation of platform device structure
ser_gigaset: turn nonsense checks into WARN_ON
ser_gigaset: fix up NULL checks
qlcnic: fix a timeout loop
...
The 'fixes' branch contains d5d4fdd86f ("irqchip/versatile-fpga:
Fix PCI IRQ mapping on Versatile PB") that is required for booting
the versatile platform prior to the rework in this branch, but
including both causes a build-time error.
I'm doing an evil merge here to pull in the fixes branch so we have
that commit included but at the same time revert the trivial change.
This gives us a bisectable history.
* fixes: (22 commits)
fsl-ifc: add missing include on ARM64
ls2080a/dts: Add little endian property for GPIO IP block
dt-bindings: define little-endian property for QorIQ GPIO
ARM64: dts: ls2080a: fix eSDHC endianness
ARM: dts: vf610: use reset values for L2 cache latencies
ARM: pxa: use PWM lookup table for all machines
ARM: dts: berlin: add 2nd clock for BG2Q sdhci0 and sdhci1
ARM: dts: berlin: correct BG2Q's sdhci2 2nd clock
ARM: dts: am4372: fix clock source for arm twd and global timers
ARM: at91: fix pinctrl driver selection
ARM: at91/dt: add always-on to 1.8V regulator
ARM: dts: vf610: fix clock definition for SAI2
ARM: imx: clk-vf610: fix SAI clock tree
ARM: ixp4xx: fix read{b,w,l} return types
irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB
ARM: OMAP2+: enable REGULATOR_FIXED_VOLTAGE
ARM: dts: add dm816x missing spi DT dma handles
ARM: dts: add dm816x missing #mbox-cells
cpufreq: s3c24xx: Do not mark s3c2410_plls_add as __init
bus: sunxi-rsb: unlock on error in sunxi_rsb_read()
...
Instead of being at the MAC level the reset gpio preperty is moved at the
PHY child node level. It is still managed by the MAC, but from the point
of view of the binding it make more sense to be part of the PHY node.
This commit also fixes a build errors if GPIOLIB is not selected.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add basic support for the SBC-T335.
CompuLab SBC-T335 is a single baseboard computer.
The SBC-T335 is based on the Texas Instruments Cortex-A8 Sitara AM3354
SoC.
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Amend the DT bindings to include the optional clock sources for the Baud
Rate Generator for External Clock (BRG), as found on some SCIF variants
and on HSCIF.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Amend the DT bindings to include the optional external clock on
(H)SCI(F) and some SCIFA, where this pin can serve as a clock input,
depending on board wiring.
Clarify the use of the divided functional clock as a source for the
sampling clock.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add fallback compatibility strings for R-Car Gen1, Gen2, and Gen3.
This is in keeping with the fallback scheme being adopted wherever
appropriate for drivers for Renesas SoCs.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
As no platform defines an interface clock the SCI driver always falls
back to a clock named "peripheral_clk".
- On SH platforms that clock is the base clock for the SCI functional
clock and has the same frequency,
- On ARM platforms that clock doesn't exist, and clk_get() will return
the default clock for the device.
We can thus make the functional clock mandatory and drop the interface
clock.
EPROBE_DEFER is handled for clocks that may be referenced from DT (i.e.
"fck", and the deprecated "sci_ick").
Cc: devicetree@vger.kernel.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
[geert: Handle EPROBE_DEFER, reformat description, break long comment line]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This set of changes brings in a few more helpers for DSI support as well
as a couple of new drivers and support for some more simple panels.
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Merge tag 'drm/panel/for-4.5-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/panel: Changes for v4.5-rc1
This set of changes brings in a few more helpers for DSI support as well
as a couple of new drivers and support for some more simple panels.
* tag 'drm/panel/for-4.5-rc1' of git://anongit.freedesktop.org/tegra/linux:
drm/panel: simple: Add QiaoDian qd43003c0-40
of: Add vendor prefix for QiaoDian Xianshi
drm/panel: add kernel doc for size attributes in panel_desc
drm/panel: simple: Add support for Kyocera TCG121XGLP panel
devicetree: add vendor prefix for Kyocera Corporation
drm/bridge: Remove gratuitous blank line
drm/bridge: dw-hdmi: Use dashes in filenames
drm/panel: Add Sharp LS043T1LE01 MIPI DSI panel
dt-bindings: Add Sharp LS043T1LE01 panel binding
drm/dsi: Add Turn On/Shutdown Peripheral command helpers
drm/panel: Add Panasonic VVX10F034N00 MIPI DSI panel
dt-bindings: Add Panasonic VVX10F034N00 panel binding
drm/panel: simple: Add support for Innolux G121X1-L03
drm/panel: simple: Add support for BOE TV080WUM-NL0
dt-bindings: Add BOE TV080WUM-NL0 panel binding
of: Add vendor prefix for BOE Technology Group
drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format
On this board, the touchscreen, an ads7843, is not handled directly by
Linux but by a companion FPGA. This FPGA is memory-mapped and the IP
design is very similar to the mk712.
This commit adds the support for this IP.
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Add a new option 'data_flush' to enable data flush functionality.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Use "qiaodian" as the vendor prefix for QiaoDian Xianshi Corporation in
device tree compatible strings.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Simply document new compatibility string.
As a previous patch adds a generic R-Car Gen2 compatibility string
there appears to be no need for a driver updates.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add fallback compatibility strings for R-Car Gen2 and Gen3.
This is in keeping with the fallback scheme being adopted wherever
appropriate for drivers for Renesas SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This extends the documentation of compatibility strings a little to
include the SoC names.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Adds support for using a OMAP dual-mode timer with PWM capability
as a Linux PWM device. The driver controls the timer by using the
dmtimer API.
Add a platform_data structure for each pwm-omap-dmtimer nodes containing
the dmtimers functions in order to get driver not rely on platform
specific functions.
Cc: Grant Erickson <marathon96@gmail.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Joachim Eastwood <manabian@gmail.com>
Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Tony Lindgren <tony@atomide.com>
[thierry.reding@gmail.com: coding style bikeshed, fix timer leak]
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
- change my email in MAINTAINERS and Doc files
- create and export list of single hop neighs per interface
- protect CRC in the BLA code by means of its own lock
- minor fixes and code cleanups
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Merge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge
Antonio Quartulli says:
====================
Included changes:
- change my email in MAINTAINERS and Doc files
- create and export list of single hop neighs per interface
- protect CRC in the BLA code by means of its own lock
- minor fixes and code cleanups
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It seems that gitorious repository is no longer accessible, so we
replace it with address to active repository.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
NXP LPC32xx SoC has two separate PWM controller devices, update device
tree binding documentation to reflect this fact.
The change makes previous PWM device node description incompatible
with the new version.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
The change removes '0x' from a device node address and uses lower case
hex chars.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
As we all know, the value of pf_retrans >= max_retrans_path can
disable pf state. The variables of pf_retrans and max_retrans_path
can be changed by the userspace application.
Sometimes the user expects to disable pf state while the 2
variables are changed to enable pf state. So it is necessary to
introduce a new variable to disable pf state.
According to the suggestions from Vlad Yasevich, extra1 and extra2
are removed. The initialization of pf_enable is added.
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The GIC bindings for the ARM11MPCore need to differentiate between
the GIC on the Test Chip and the one on the evaluation baseboard.
Split the binding in two and define new compatible-strings.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
The Kyocera TCG121XGLP panel is an XGA LCD TFT panel connected through
LVDS, which can be supported by the simple panel driver.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
KYO is the stock ticker symbol of Kyocera Corporation.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This patch adds support and documentation for the PMA8084 regulators
found on APQ8084 platforms.
Signed-off-by: Andy Gross <agross@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds support and documentation for the PM8916 regulators
found on MSM8916 platforms.
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch moves the qcom,smd-rpm.txt to the correct location and splits
out the smd and rpm documentation. In addition, a smd-rpm-regulator
document is added.
Signed-off-by: Andy Gross <agross@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Provides an options to use the ptp clock routed from the Altera FPGA
fabric. Instead of the defalt eosc1 clock connected to the ARM HPS core.
This setting affects all emacs in the core as the ptp clock is common.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
devm_get_clk looks in clock-name property for matching clock.
the ptp_ref_clk property is ignored.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
The DSA driver needs to be passed a reference to an mdio bus. Typically
the mac is configured to use a fixed link but the mdio bus still needs
to be registered so that it con configure the switch.
This patch follows the same process as the altera tse ethernet driver for
creation of the mdio bus.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
multiplatform and extended DT support.
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Merge tag 'realview-base-armsoc-1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/multiplatform
Merge "Realview multiplatform support" from Linus Walleij:
The board and infrastructure changes for RealView
multiplatform and extended DT support.
* tag 'realview-base-armsoc-1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: realview: add an DT SMP boot method
ARM: realview: select SP810 and ICST for the DT variant
soc: versatile: add support for the PB11MPCore
clk: versatile-icst: add device tree support
clk: versatile-icst: refactor to allocate regmap separately
clk: versatile-icst: convert to use regmap
ARM: realview: remove private barrier implementation
ARM: no longer force unbuffered DMA for realview
clk/realview: stop using machine headers
ARM: realview: don't map undefined PCI registers
ARM: realview: remove sparsemem hack
Conflicts:
drivers/clk/versatile/Kconfig
support.
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Merge tag 'realview-base-armsoc-2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into next/dt
Merge "Realview DT files" from Linus Walleij:
The device tree changes for the continued RealView DT
support.
* tag 'realview-base-armsoc-2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: realview: add device tree for PB11MPCore
clk: add ARM syscon ICST device tree bindings
ARM: add DT bindings for the ARM11MPCore CPU cluster
* s3c64xx/multiplatform:
ARM: s3c64xx: allow building without board support
ARM: s3c64xx: multiplatform support
ARM: s3c64xx: use common debug-ll implementation
ARM: s3c64xx: use new adc/touchscreen driver
iio: exynos-adc: add experimental touchscreen support
ARM: s3c64xx: enable sparse IRQ support
ARM: s3c64xx: prepare initcalls for multiplatform
gpio: samsung: move gpio-samsung driver back to platform code
ASoC: samsung/smartq: use dynamic registration
Input: s3c2410_ts: fix S3C_ADC dependency
Conflicts:
arch/arm/Kconfig.debug
This has fixes spread thru driver, notably among them
- edma fixes for recent edma DT changes which went into 4.4
- odd fixes for at_hdmac
- minor fixes on bc dma and mic dma
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Merge tag 'dmaengine-fix-4.4-rc6' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"This has fixes spread thru driver, notably among them:
- edma fixes for recent edma DT changes which went into 4.4
- odd fixes for at_hdmac
- minor fixes on bc dma and mic dma"
* tag 'dmaengine-fix-4.4-rc6' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: at_xdmac: fix at_xdmac_prep_dma_memcpy()
dmaengine: edma: DT: Change reserved slot array from 16bit to 32bit type
dmaengine: edma: DT: Change memcpy channel array from 16bit to 32bit type
dmaengine: mic_x100: add missing spin_unlock
dmaengine: bcm2835-dma: Convert to use DMA pool
dmaengine: at_xdmac: fix bad behavior in interleaved mode
dmaengine: at_xdmac: fix false condition for memset_sg transfers
dmaengine: at_xdmac: fix macro typo
Pull "Broadcom devicetree changes for v4.5¨ from Florian Fainelli:
This pull request contains the Broadcom ARM-based Device Tree changes for 4.5:
- Jon Mason enables the following for Broadcom Northstar Plus SoCs: PCI (using
iProc PCI), NAND flash controller (BRCMNAND), TWD Timer and Watchdog
(Cortex-A9), I2C (iProc), clock providers, does some Device Tree cleanups
(re-parenting, fixing register sizes and hierarchy)
- Jon Mason also adds support for some reference Broadcom Northstar reference
designs like the BCM5301X SVK reference boards, updates the existing binding
documentation to cover the Northstar chips: 4708, 4709 and 53012.
- Pramod Kumar adds the GPIO to pinctrl mapping for the Broadcom Northstar Plus
SoCs
- Yendapally Reddy Dhananjaya Reddy adds pinctrl Device Tree nodes for the
Broadcom Northstar Plus SoCs device tree nodes
- Ray Jui adds Cygnus PCIe PHY Device Tree nodes and enables MSI for the iProc
PCI controller on Cygnus platforms
- Kapil Hali adds SMP binding documentation and Device Tree nodes for the
Northstar Plus SoCs
- Florian Fainelli adds clock provider support for the Broadcom BCM63138 DSL
SoCs by utilizing the existing iProc ARM PLL controller, this includes a
stable topic branch from Stephen Boyd to be merged
- Rafal Milecki adds missing LEDs for the Netgear R8000 router
* tag 'arm-soc/for-4.5/devicetree' of http://github.com/Broadcom/stblinux:
ARM: dts: Enable MSI support for Broadcom Cygnus
ARM: dts: Add SMP support for Broadcom NSP
dt-bindings: add SMP enable-method for Broadcom NSP
ARM: dts: enable pinctrl for Broadcom NSP
ARM: dts: enable PCIe PHY support for Cygnus
ARM: dts: Cygnus: define ngpios property in gpio controller's node
ARM: BCM5301X: Add missing Netgear R8000 LEDs
ARM: dts: BCM63xx: Add ARMPLL device tree nodes
clk: bcm: Add BCM63138 clock support
clk: iproc: Extend binding to cover BCM63138
ARM: dts: enable clock support for Broadcom NSP
ARM: dts: enable clock support for BCM5301X
ARM: dts: NSP: Add I2C support to the DT
ARM: dts: NSP: Device Tree clean-ups
dts: pinctrl: Add GPIO to Pinctrl pin mapping in DT
ARM: dts: bcm5301x: Add BCM SVK DT files
dt-bindings: Add new SoCs to bcm4708 DT bindings
ARM: dts: NSP: Add TWD Support to DT
ARM: dts: NSP: Add NAND Support to DT
ARM: dts: NSP: Add PCI support
This adds the compatible strings for Cloudengine PogoPlug E02 and
series 4. The former already has a devicetree in the kernel.
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
While the userspace interface requests the maximum size the gmap code
expects to get a maximum address.
This error resulted in bigger page tables than necessary for some guest
sizes, e.g. a 2GB guest used 3 levels instead of 2.
At the same time we introduce KVM_S390_NO_MEM_LIMIT, which allows in a
bright future that a guest spans the complete 64 bit address space.
We also switch to TASK_MAX_SIZE for the initial memory size, this is a
cosmetic change as the previous size also resulted in a 4 level pagetable
creation.
Reported-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Support hisilicon,hi6220-usb for HiKey board
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add both bulk and iso depth of queue for sourcesink.
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Etnaviv follows the same priciple as imx-drm to have a virtual
master device node to bind all the individual GPU cores together
into one DRM device.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
The physical display tied to the framebuffer may have regulators
providing power to it, such as power for LCDs or interface conversion
chips.
The number of regulators in use may vary, but the regulator supply
binding can not be a list. Instead just support any named regulator
supply properties under the device node. These should be properly
named to match the device schematics / design. The driver should
take care to go through them all.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
DRM Docbook is now Markdown ready. This means its doc is able to
use markdown text on it.
* Documentation/DocBook/drm.tmpl: Contains a table duplicated from
drivers/gpu/drm/i915/i915_reg.h. This is not needed anymore
* drivers/gpu/drm/drm_modeset_lock.c: had a code example that used
to look pretty bad on html. Fixed by using proper code markup.
* drivers/gpu/drm/drm_prime.c: Remove spaces between lines to make
a proper markup list.
* drivers/gpu/drm/i915/i915_reg.h: Altought pandoc supports tables,
it doesn't support table cell spanning. But we can use fixed-width
for those special cases.
* include/drm/drm_vma_manager.h: Another code example that should be
proper indented with four spaces.
v2 (Daniel): Adjust name to gpu.xml due to rename.
v3 (Daniel):
Split out the actual enabling in the Makefile - this way we can merge
the conversion, while just keeping the enabling in a drm-private tree.
Signed-off-by: Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk> (v1)
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephan Mueller <smueller@chronox.de>
Cc: Michal Marek <mmarek@suse.cz>
Cc: linux-kernel@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>
Cc: dri-devel <dri-devel@lists.freedesktop.org>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1448471279-19748-2-git-send-email-daniel.vetter@ffwll.ch
This adds the device tree bindings for the ARM Syscon ICST
oscillators, which is a register-level interface to the
Integrated Device Technology (IDT) ICS525 and ICS307
serially programmable oscillators.
Cc: devicetree@vger.kernel.org
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: linux-clk@vger.kernel.org
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The ARM11MPCore has a Snoop Control Unit, but references to it
were missing from the DT specification. Define a compatible
string for this unit.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds an SMP boot method for the ARM RealView reference
designs. We also select HAVE_SMP by default and make it use
SMP_ON_UP so we only need to support one single kernel across
the RealView reference designs when using DT.
The RealViews need to have the SCU (Snoop Control Unit)
activated on boot, and this is now done by looking up its
address from the device tree and initializing it and counting
the available cores.
The RealViews boot by using a magic address register in the
system controller (SYS_FLAGS) to store the boot address,
the ROM will then read this register to the PC when the CPUs
are taken out of WFI. This code uses a handle to the syscon
regmap to access this register.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
With device tree it is no more possible to reset the PHY at board
level. Furthermore, doing in the driver allow to power down the PHY when
the network interface is no more used.
This reset can't be done at the PHY driver level. The PHY must be able to
answer the to the mii bus scan to let the kernel creating a PHY device.
The patch introduces a new optional property "phy-reset-gpios" inspired
from the one use for the FEC.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add an example for all elements of the Arizona extcon device tree
binding.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Update the device tree binding documentation to include documentation for
the wlf,micd-configs property that is used to specify the configurations
for headset polarity detection (CTIA / OTMP).
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
- Support runtime pm
. In case of most ARM SoC, each IP has each power domain which should be
controlled by each IP driver using runtime pm interface. So this patch
series makes each IP driver to control its own power domain when
drm dpms is requested.
- Support of_graph based dt binding for DP panel.
. This patch series adds of_graph based dt binding for DP panel.
And also it keeps backward compatibility. This includes dt binding
patch so I got Acked-by from Krzysztof Kozlowski who is a Exynos
SoC maintainer and from Rob Herring who is a device tree maintainer.
- Cleanup for Exynos DRM IPP enhancement.
. This patch series is a first step for enhancing existing IPP framework
which will integrate existing IPP functions with DRM KMS part so that
these can be transparent to userspace. For other portion of the patch
series, we will have more times for the review.]
* 'exynos-drm-next' of git://git.kernel.org:/pub/scm/linux/kernel/git/daeinki/drm-exynos: (29 commits)
drm/exynos: gem: remove old unused prototypes
drm/exynos: fimd: fix dma burst size setting for small plane size
drm/exynos: fix clipping when scaling is enabled
drm/exynos: mixer: use ratio precalculated in exynos_state
drm/exynos: add generic check for plane state
drm/exynos: introduce exynos_drm_plane_config structure
drm/exynos: mixer: enable video overlay plane only when VP is available
drm/exynos: mixer: use crtc->state->adjusted_mode instead of crtc->mode
drm/exynos: introduce exynos_drm_plane_state structure
drm/exynos: move dma_addr attribute from exynos plane to exynos fb
drm/exynos: exynos7-decon: remove excessive check
drm/exynos: rotator: convert to common clock framework
drm/exynos: gsc: add device tree support and remove usage of static mappings
drm/exynos: gsc: fix wrong pm_runtime state
drm/exynos: gsc: prepare and unprepare gsc clock
ARM: dts: Use OF graph for DP to panel connection in exynos5800-peach-pi
dt-bindings: exynos-dp: update ports node binding for panel
drm/exynos: dp: add of_graph dt binding support for panel
drm/exynos: decon: remove unused variables
drm/exynos: dsi: modify a error type when getting a node failed
...
Last (very likely at least) drm-misc pull for 4.5. 3 big things:
- piles of docs for kms vtables.
- drm.debug dmesg output prettification from Ville (i915 parts are for 4.6
I think)
- connector mode probing/validating/merging cleanup from Ville.
[airlied : fix drm_encoder_init conflict.]
* tag 'topic/drm-misc-2015-12-14' of git://anongit.freedesktop.org/drm-intel: (43 commits)
drm: modes: Revert cc344980c7 "replace simple_strtoul by kstrtouint"
drm: Expand the drm_helper_probe_single_connector_modes() docs
drm: Allow override_edid to override the firmware EDID
drm/sti: Drop bogus drm_mode_sort() call
drm: Drop drm_helper_probe_single_connector_modes_nomerge()
drm: Only merge mode type bits between new probed modes
drm: Flatten drm_mode_connector_list_update() a bit
drm: Rename MODE_UNVERIFIED to MODE_STALE
drm: Don't overwrite UNVERFIED mode status to OK
drm: Add plane->name and use it in debug prints
drm: Add crtc->name and use it in debug messages
drm: Use driver specified encoder name
drm: Pass 'name' to drm_encoder_init()
drm: Pass 'name' to drm_universal_plane_init()
drm: Pass 'name' to drm_crtc_init_with_planes()
drm: Documentation style guide
drm: Document drm_encoder/crtc_helper_funcs
drm: Move drm_display_mode an related docs into kerneldoc
drm/atomic-helper: Mention the new system/resume helpers the docs
drm: Document drm_connector_helper_funcs
...
Johan Hedberg says:
====================
pull request: bluetooth-next 2015-12-11
Here's another set of Bluetooth & 802.15.4 patches for the 4.5 kernel:
- 6LoWPAN debugfs support
- New 802.15.4 driver for ADF7242 MAC IEEE802154
- Initial code for 6LoWPAN Generic Header Compression (GHC) support
- Refactor Bluetooth LE scan & advertising behind dedicated workqueue
- Cleanups to Bluetooth H:5 HCI driver
- Support for Toshiba Broadcom based Bluetooth controllers
- Use continuous scanning when establishing Bluetooth LE connections
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add additional property info needed for DSIv2 DT.
Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
List the clocks in the order that's used in DT. We don't have mdp/dsi
DT nodes for any SoC in upstream yet, but we align with the order
we intend to use.
Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Update DT bindings for mdp. We now have a more uniform and future-proof
set of compatible strings.
MDP5 bindings were missing. Add those and update details on the
clock-names properties.
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
All users of QPACE have upgraded to QPACE2 so remove the Cell QPACE code.
Signed-off-by: Rashmica Gupta <rashmicy@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Also, sort the properties alphabetically and make indentation
consistent. Wording largely taken from i2c-rk3x.txt, thanks guys!
Only "i2c-scl-internal-delay-ns" is new, the rest is used by two drivers
already and was documented in their driver binding documentation.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Currently, 8-bit (MMIO) and 32-bit (MMIO32) register interfaces are
supported for the 8250 console, but the 16-bit (MMIO16) is not.
The 8250 UART device on my board is connected to a 16-bit bus and
my main motivation is to use earlycon with it.
(Refer to arch/arm/boot/dts/uniphier-support-card.dtsi)
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Many watchdog drivers register a reboot notifier in order to stop the
watchdog on system reboot. Thus we can factorize this code in the
watchdog core.
For that purpose, a new notifier block is added in watchdog_device for
internal use only, as well as a new watchdog_stop_on_reboot helper
function.
If this helper is called, watchdog core registers the related notifier
block and will stop the watchdog when SYS_HALT or SYS_DOWN is received.
Since this operation can be critical on some platforms, abort the device
registration if the reboot notifier registration fails.
Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Many watchdog drivers implement the same code to register a restart
handler. This patch provides a generic way to set such a function.
The patch adds a new restart watchdog operation. If a restart priority
greater than 0 is needed, the driver can call
watchdog_set_restart_priority to set it.
Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This patch adds device tree support for exynos_drm_gsc. This patch
also fixed build issue on non-Exynos platforms, thus dependency on
!ARCH_MULTIPLATFORM can be now removed. The driver cannot be used
simultaneously with V4L2 Mem2Mem GScaller driver thought.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch updates a ports node binding for panel.
With this, dp node can have a ports node which describes
a remote endpoint node that can be connected to panel or bridge
node.
Changelog v2:
- remove unnecessary properties and numbering.
- update description about eDP device.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Rob Herring <robh@kernel.org>
Here are a bunch of small bug fixes for various ARM platforms, nothing
really sticks out this week, most of either fixes bugs in code that was
just added in 4.4, or that has been broken for many years without anyone
noticing.
at91/sama5d2
- fix sama5de hardware setup of sd/mmc interface
- proper selection of pinctrl drivers. PIO4 is necessary for sama5d2
berlin
- fix incorrect clock input for SDIO
exynos
- Fix potential NULL pointer dereference in Exynos PMU driver.
imx
- Fix vf610 SAI clock configuration bug which is discovered by
the newly added master mode support in SAI audio driver.
- Fix buggy L2 cache latency values in vf610 device trees, which may
cause system hang when cpu runs at a higher frequency.
ixp4xx
- fix prototypes for readl/writel functions
ls2080a
- use little-endian register access for GPIO and SDHCI
omap
- Fix clock source for ARM TWD and global timers on am437x
- Always select REGULATOR_FIXED_VOLTAGE for omap2+ instead of
when MACH_OMAP3_PANDORA is selected
- Fix SPI DMA handles for dm816x as only some were mapped
- Fix up mbox cells for dm816x to make mailbox usable
pxa
- use PWM lookup table for all ezx machines
s3c24xx
- Remove incorrect __init annotation from s3c24xx cpufreq driver structures.
versatile
- fix PCI IRQ mapping on Versatile PB
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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 Arnd Bergmann:
"Here are a bunch of small bug fixes for various ARM platforms, nothing
really sticks out this week, most of either fixes bugs in code that
was just added in 4.4, or that has been broken for many years without
anyone noticing.
at91/sama5d2:
- fix sama5de hardware setup of sd/mmc interface
- proper selection of pinctrl drivers. PIO4 is necessary for sama5d2
berlin:
- fix incorrect clock input for SDIO
exynos:
- Fix potential NULL pointer dereference in Exynos PMU driver.
imx:
- Fix vf610 SAI clock configuration bug which is discovered by the
newly added master mode support in SAI audio driver.
- Fix buggy L2 cache latency values in vf610 device trees, which may
cause system hang when cpu runs at a higher frequency.
ixp4xx:
- fix prototypes for readl/writel functions
ls2080a:
- use little-endian register access for GPIO and SDHCI
omap:
- Fix clock source for ARM TWD and global timers on am437x
- Always select REGULATOR_FIXED_VOLTAGE for omap2+ instead of when
MACH_OMAP3_PANDORA is selected
- Fix SPI DMA handles for dm816x as only some were mapped
- Fix up mbox cells for dm816x to make mailbox usable
pxa:
- use PWM lookup table for all ezx machines
s3c24xx:
- Remove incorrect __init annotation from s3c24xx cpufreq driver
structures.
versatile:
- fix PCI IRQ mapping on Versatile PB"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ls2080a/dts: Add little endian property for GPIO IP block
dt-bindings: define little-endian property for QorIQ GPIO
ARM64: dts: ls2080a: fix eSDHC endianness
ARM: dts: vf610: use reset values for L2 cache latencies
ARM: pxa: use PWM lookup table for all machines
ARM: dts: berlin: add 2nd clock for BG2Q sdhci0 and sdhci1
ARM: dts: berlin: correct BG2Q's sdhci2 2nd clock
ARM: dts: am4372: fix clock source for arm twd and global timers
ARM: at91: fix pinctrl driver selection
ARM: at91/dt: add always-on to 1.8V regulator
ARM: dts: vf610: fix clock definition for SAI2
ARM: imx: clk-vf610: fix SAI clock tree
ARM: ixp4xx: fix read{b,w,l} return types
irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB
ARM: OMAP2+: enable REGULATOR_FIXED_VOLTAGE
ARM: dts: add dm816x missing spi DT dma handles
ARM: dts: add dm816x missing #mbox-cells
cpufreq: s3c24xx: Do not mark s3c2410_plls_add as __init
ARM: EXYNOS: Fix potential NULL pointer access in exynos_sys_powerdown_conf
Add support for PA gpio pin for controlling an external amplifier as used
on some Allwinner boards.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add binding document for Pistachio Internal DAC
Signed-off-by: Damien.Horsley <Damien.Horsley@imgtec.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add binding document for Texas Instruments pcm3168a codec
Signed-off-by: Damien.Horsley <Damien.Horsley@imgtec.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add the devicetree binding for the cru on the rk3228 which quite similar
structured as previous clock controllers.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The patch adds the binding file for Freescale imx7d ADC driver.
Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Add support for AMS iAQ-core continuous and pulsed VOC sensors.
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
MAX30100 is an heart rate and pulse oximeter sensor that works using
two LEDS of different wavelengths, and detecting the light reflected
back.
This patchset adds support for both IR and RED LED channels which can
be processed in userspace to determine heart rate and blood oxygen
levels.
Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Oliver Stäbler <oliver.staebler@bytesatwork.ch>
Reviewed-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Phy properties are expected to be found in the PHY OF node. However
this Micrel driver also allows them to be placed into the MAC OF node.
This is deprecated. Document it as such, and remove the example using
the deprecated method to prevent people copying it into new device
tree files.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- oftree support for getting reset devices by index
- fixed return value consistency of of_reset_control_get
- added support for STi co-processor resets
- added STi status callback
- added HiSilicon Hi6220 reset driver
- added ath79 system restart support
- various fixes
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Merge tag 'reset-for-4.5-2' of git://git.pengutronix.de/git/pza/linux into next/drivers
Merge "Reset controller changes for v4.5 v2" from Philipp Zabel:
- oftree support for getting reset devices by index
- fixed return value consistency of of_reset_control_get
- added support for STi co-processor resets
- added STi status callback
- added HiSilicon Hi6220 reset driver
- added ath79 system restart support
- various fixes
* tag 'reset-for-4.5-2' of git://git.pengutronix.de/git/pza/linux:
reset: ath79: Add system restart support
arm64: dts: Add reset dts config for Hisilicon Hi6220 SoC
reset: hi6220: Reset driver for hisilicon hi6220 SoC
reset: hisilicon: document hisi-hi6220 reset controllers bindings
reset: remove unused device pointer from struct reset_control
The GPIO block on different QorIQ chips could have registers in different
endianess. Define the property to specify which endian is used by the
hardware.
Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
This includes support for the evaluation board of the rk3368
as well as the dts-part for the newly added thermal management
support, rk3368 pwm nodes and an alias.
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Merge tag 'v4.5-rockchip-dts64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt64
Merge "rockchip dts64 changes for 4.5" from Heiko Stuebner:
First round of 64bit devicetree changes for Rockchip socs.
This includes support for the evaluation board of the rk3368
as well as the dts-part for the newly added thermal management
support, rk3368 pwm nodes and an alias.
* tag 'v4.5-rockchip-dts64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: add rk3368 evaluation board
arm64: dts: rockchip: add the pwm node info for RK3368 SoCs
arm64: dts: rockchip: Enable the Thermal on R88 board
arm64: dts: rockchip: Add main thermal info to rk3368.dtsi
arm64: dts: rockchip: Add the thermal data found on RK3368
arm64: dts: rockchip: Setup rk3368 ethernet0 alias for u-boot
- Update all omaps to use pinctrl macros. This makes comparing the pinmux
settings against the documentation much earlier. Javier compared the
checksums of the generated dtb files to make sure nothing changed for
the dtb files.
- Updates for dm816x
- Add GPMC DMA channels for am437x
- Updates for LogicPD Torpedo
- Basic support for CompuLab cm-t335
- Remove tps65217.dtsi file, we're better off adding SoC generic board
dtsi files for the common features
- Add support for ELM on am33xx
- Add support for Bosch shc c3 board
- Add qspi aliases for am437x and dra7
- Wake-up support for dra7-evm uart1
- Basic support for CompuLab sbc-t43
- Basic support for CompuLab cl-som-am57x
- Use MMC pwrseq for libertas WLAN on igep0020 and igep0030
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Merge tag 'omap-for-v4.5/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Merge "Device tree changes for omaps for v4.5 merge window" from Tony Lindgren:
- Update all omaps to use pinctrl macros. This makes comparing the pinmux
settings against the documentation much earlier. Javier compared the
checksums of the generated dtb files to make sure nothing changed for
the dtb files.
- Updates for dm816x
- Add GPMC DMA channels for am437x
- Updates for LogicPD Torpedo
- Basic support for CompuLab cm-t335
- Remove tps65217.dtsi file, we're better off adding SoC generic board
dtsi files for the common features
- Add support for ELM on am33xx
- Add support for Bosch shc c3 board
- Add qspi aliases for am437x and dra7
- Wake-up support for dra7-evm uart1
- Basic support for CompuLab sbc-t43
- Basic support for CompuLab cl-som-am57x
- Use MMC pwrseq for libertas WLAN on igep0020 and igep0030
* tag 'omap-for-v4.5/dt-pt1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (97 commits)
ARM: dts: omap3-igep0030: Use MMC pwrseq to init SDIO WiFi
ARM: dts: omap3-igep0020: Use MMC pwrseq to init SDIO WiFi
ARM: dts: am57xx: cl-som-am57x: skip resetting ETH PHYs
ARM: dts: am57xx: sbc-am57x: add HDMI support
ARM: dts: am57xx: compulab-sb-som: add HDMI connector
ARM: dts: am57xx: sbc-am57x: add LCD support
ARM: dts: am57xx: sbc-am57x: add GPIO expander support
ARM: dts: am57xx: sbc-am57x: add EEPROM support
ARM: dts: am57xx: sbc-am57x: add usb vbus pinmux
ARM: dts: am57xx: cl-som-am57x: add MMC1 support
ARM: dts: am57xx: sbc-am57x: add basic board support
ARM: dts: am57xx: cl-som-am57x: add analog audio support
ARM: dts: am57xx: cl-som-am57x: add touchscreen support
ARM: dts: am57xx: cl-som-am57x: add USB support
ARM: dts: am57xx: cl-som-am57x: add dual EMAC support
ARM: dts: am57xx: cl-som-am57x: add spi-flash support
ARM: dts: am57xx: cl-som-am57x: add eMMC support
ARM: dts: am57xx: cl-som-am57x: add EEPROM support
ARM: dts: am57xx: cl-som-am57x: add I2C3 support
ARM: dts: am57xx: cl-som-am57x: dts: add RTC support
...
- Fix Armada 388 GP dts
- Add clock related to PMU for Dove
- Add SolidRun Armada 388 Clearfog A1 dts
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Merge tag 'mvebu-dt-4.5-2' of git://git.infradead.org/linux-mvebu into next/dt
Merge "mvebu dt for 4.5 (part 2)" from Gregory CLEMENT:
- Fix Armada 388 GP dts
- Add clock related to PMU for Dove
- Add SolidRun Armada 388 Clearfog A1 dts
* tag 'mvebu-dt-4.5-2' of git://git.infradead.org/linux-mvebu:
ARM: dts: Add SolidRun Armada 388 Clearfog A1 DT file
dt-bindings: add Marvell PMU documentation
ARM: dts: dove: add Dove divider clocks
dt-bindings: add Marvell core PLL and clock divider PMU documentation
ARM: mvebu: remove duplicated regulator definition in Armada 388 GP
Among the bigger changes are two new Veyron boards, support for
the dual-core cortex-a7 rk3036 soc and addition of support for
the crypto engine of the rk3288. Smaller changes include some
IR receivers, updates of thermal settings more reflecting real-
life and testing-results.
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Merge tag 'v4.5-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt
Merge "rockchip dts32 changes for 4.5" from Heiko Stuebner:
First round of arm devicetree changes.
Among the bigger changes are two new Veyron boards, support for
the dual-core cortex-a7 rk3036 soc and addition of support for
the crypto engine of the rk3288. Smaller changes include some
IR receivers, updates of thermal settings more reflecting real-
life and testing-results.
* tag 'v4.5-rockchip-dts32-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: add gpio-ir-receiver to the R89 board
ARM: dts: rockchip: add touchscreen node to veyron minnie
ARM: dts: rockchip: add veyron-mickey board
ARM: dts: rockchip: add veyron-brain board
ARM: dts: rockchip: make sure edp_24m is associated to xin24m on veyron
ARM: dts: rockchip: override thermal settings on veyron-speedy
ARM: dts: rockchip: update the thermal management on rk3288
ARM: dts: rockchip: Add Crypto node for rk3288
ARM: dts: rockchip: add rk3036-evb board
ARM: dts: rockchip: add core rk3036 dtsi
clk: rockchip: add dt-binding header for rk3036
clk: rockchip: add an id for rk3288 crypto clk
ARM: dts: rockchip: Add IR receiver to RK3288 Radxa Rock 2 Square
ARM: dts: rockchip: add channels properties for i2s
ARM: dts: rockchip: set system-power-controller property on rk3288-rock2
ARM: dts: rockchip: Setup rk3066/rk3188 ethernet0 alias for u-boot
ARM: dts: rockchip: Setup rk3288 ethernet0 alias for u-boot
The new name is irq_poll as iopoll is already taken. Better suggestions
welcome.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
The pinctrl of rk3228 is much the same as rk3288's, but
without pmu.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
It's not immediately obvious which hardware errata are worked around in
the Linux kernel for an arbitrary kernel tree, so add a file to keep
track of what we're working around.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This driver has been sitting in the linux-zigbee[2] repository for a long
time. We updated it from time to time and made it available via our
github kernel repository. The Linux MAC802.15.4 support has improved a lot
since then. Thanks to all! So it’s finally time to upstream this driver.
The ADF7242 requires an add-on firmware for the automatic IEEE 802.15.4
operating modes. The firmware file is currently made available on the
ADF7242 wiki page here [1]
[1] http://wiki.analog.com/resources/tools-software/linux-drivers/networking-mac802154/adf7242
[2] http://sourceforge.net/p/linux-zigbee/kernel/ci/devel/tree/drivers/ieee802154/adf7242.c
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The H3 uses the same pin controller as previous SoC's from Allwinner.
Add support for the pins controlled by the main PIO controller.
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The instructions for mounting sysfs are inconsistent in instructing to
create the directory '/sysfs' but then mounting sysfs to /sys.
Also, indentation is slightly off.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This patch adds a hint about how to get timestamps of received
CAN frames with ioctl(2). This hint has been applied to the
former SocketCAN Documentation, but it got lost during mainlining
the first bits and pieces to linux kernel.
Signed-off-by: Stefan Tatschner <rumpelsepp@sevenbyte.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
As seen in block/cfq-iosched.c, the parameter name is low_latency.
Signed-off-by: Libor Pechacek <lpechacek@suse.cz>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The BG2 and BG2Q are no longer listed on Marvell's site, so the links in
the README go nowhere. The BG2Q's product brief has also been removed.
Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The source code cross reference link does not work.
Update the link to a site that works.
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
If ignore_zero_blocks is enabled dm-verity will return zeroes for blocks
matching a zero hash without validating the content.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Add support for correcting corrupted blocks using Reed-Solomon.
This code uses RS(255, N) interleaved across data and hash
blocks. Each error-correcting block covers N bytes evenly
distributed across the combined total data, so that each byte is a
maximum distance away from the others. This makes it possible to
recover from several consecutive corrupted blocks with relatively
small space overhead.
In addition, using verity hashes to locate erasures nearly doubles
the effectiveness of error correction. Being able to detect
corrupted blocks also improves performance, because only corrupted
blocks need to corrected.
For a 2 GiB partition, RS(255, 253) (two parity bytes for each
253-byte block) can correct up to 16 MiB of consecutive corrupted
blocks if erasures can be located, and 8 MiB if they cannot, with
16 MiB space overhead.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
In general Renesas hardware is not documented to the extent where the
relationship between IP blocks on different SoCs can be assumed although
they may appear to operate the same way. Furthermore the documentation
typically does not specify a version for individual IP blocks. For these
reasons a convention of using the SoC name in place of a version and
providing SoC-specific compatibility strings has been adopted.
Although not universally liked this convention is used in the bindings for
most drivers for Renesas hardware. The purpose of this patch is to
update the Renesas USB DMA Controller driver to follow this convention.
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This change makes the DT file to be easier to read since the reserved slots
array does not need the '/bits/ 16' to be specified, which might confuse
some people.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This change makes the DT file to be easier to read since the memcpy
channels array does not need the '/bits/ 16' to be specified, which might
confuse some people.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Add device tree binding for NAND on the BCM6368.
The BCM6368 has a NAND interrupt register with combined status and enable
registers. It also requires a clock, so add an optional clock to the
common brcmnand binding.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
The cpufreq documentation specifies
policy->cpuinfo.transition_latency the time it takes on this CPU to
switch between two frequencies in
nanoseconds (if appropriate, else
specify CPUFREQ_ETERNAL)
currently pcc-cpufreq does not expose the value and sets it to zero. I
changed the pcc-cpufreq driver and it's documentation to conform to the
default value specified in Documentation/cpu-freq/cpu-drivers.txt
Signed-off-by: Jacob Tanenbaum <jtanenba@redhat.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The dynamic power consumption of a device is proportional to the
square of voltage (V) and the clock frequency (f). It can be expressed as
Pdyn = dynamic-power-coefficient * V^2 * f.
The coefficient represents the running time dynamic power consumption in
units of mw/MHz/uVolt^2 and can be used in the above formula to
calculate the dynamic power in mW.
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
All the users of the tda998x driver are component based and bind the
driver via the device graph method described in
Documentation/devicetree/bindings/graph.txt. Add the fact that the
'port' node is required to the bindings.
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Merge two bindings for the same driver to together.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Moritz Fischer <moritz.fischer@ettus.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Fix a few typos and reword the description of the
'#qca,ddr-wb-channel-cells' property.
Signed-off-by: Alban Bedel <albeu@free.fr>
CC: trivial@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
The existing device tree bindings assume that we are only trying to
describe a single address space with a device tree (for ARM, either
the Normal or the Secure world). Some uses for device tree need to
describe both Normal and Secure worlds in a single device tree. Add
documentation of how to do this, by adding extra properties which
describe when a device appears differently in the two worlds or when
it only appears in one of them.
The binding describes the general principles for adding new
properties describing the secure world, but for now we only need a
single new property, "secure-status", which can be used to annotate
devices to indicate that they are only visible in one of the two
worlds.
The primary expected use of this binding is for a virtual machine
like QEMU to describe the VM layout to a TrustZone aware firmware
(which would then use the secure-only devices itself, and pass the DT
on to a kernel running in the non-secure world, which ignores the
secure-only devices and uses the rest).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
This company already provided some products, so add them to the
vendor prefix list.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Document device-tree bindings for the USB controller on older
OCTEON SOCs (OCTEON, OCTEON+).
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Rob Herring <robh@kernel.org>
SRAM bindings for various SoCs, using the mmio-sram genalloc
API, are spread over different places - per SoC vendor. Since all of
these are quite similar (they depend on mmio-sram) move them to a common
place.
Suggested-by: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Kukjin Kim <kgene@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Rob Herring <robh@kernel.org>
Fix the incorrect interrupt documentation file path in binding docs.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Add fallback compatibility string for R-Car Gen 2 family. This is in
keeping with the fallback scheme being adopted wherever appropriate for
drivers for Renesas SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Add fallback compatibility string for R-Car Gen 2 family. This is in
keeping with the fallback scheme being adopted wherever appropriate for
drivers for Renesas SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Every time I type or review docs this seems a bit different. Try to
document the common style so we can try to unify at least new docs.
v2: Spelling fixes from Pierre, Laurent and Jani.
v3: More spelling fixes from Lukas.
Cc: Pierre Moreau <pierre.morrow@free.fr>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Lukas Wunner <lukas@wunner.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449564561-3896-1-git-send-email-daniel.vetter@ffwll.ch
The power domains in the SCPSYS unit are supplied by regulators. Add the
properties for them to the binding document.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This was in the documentation for modeset helper hooks, where it is a
bit misplaced.
v2: Reindent the drm_mode_status enum, inspired by Ville.
v3: Suggestions from Ville and Thierry.
v4: Small fixup that 0day spotted.
v5: Slight change to avoid accidental headings in kerneldoc output.
Cc: ville.syrjala@linux.intel.com
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-27-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> (v3)
Reviewed-by: Thierry Reding <treding@nvidia.com> (v3)
Add onsemi,pca9654 which is also compatible with the nxp,pca9524 as it
is an 8bit expander with an interrupt output.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Introduce binding documentation for the Qualcomm Shared Memory Point 2 Point
protocol.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
This documents a device tree binding for the Qualcomm Shared Memory
State Machine.
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>
new method: ->get_link(); replacement of ->follow_link(). The differences
are:
* inode and dentry are passed separately
* might be called both in RCU and non-RCU mode;
the former is indicated by passing it a NULL dentry.
* when called that way it isn't allowed to block
and should return ERR_PTR(-ECHILD) if it needs to be called
in non-RCU mode.
It's a flagday change - the old method is gone, all in-tree instances
converted. Conversion isn't hard; said that, so far very few instances
do not immediately bail out when called in RCU mode. That'll change
in the next commits.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
kmap() in page_follow_link_light() needed to go - allowing to hold
an arbitrary number of kmaps for long is a great way to deadlocking
the system.
new helper (inode_nohighmem(inode)) needs to be used for pagecache
symlinks inodes; done for all in-tree cases. page_follow_link_light()
instrumented to yell about anything missed.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
As noted here [1], there are potentially future conflicts if we try to
use MTD's "partitions" subnode to describe anything besides just the
fixed-in-the-device-tree partitions currently described in this
document. Particularly, there was a proposal to use this node for the
AFS parser too.
It can pose a (small) problem to try to differentiate the following
nodes:
// using binding as currently specified
partitions {
#address-cells = <x>;
#size-cells = <y>;
partition@0 {
...;
};
};
and
// proposed future binding
partitions {
compatible = "arm,arm-flash-structure";
};
It's especially difficult if other uses of this node start having
subnodes.
So, since the "partitions" node is new in v4.4, let's fixup the binding
before release so that it requires a compatible property, so it's much
clearer to distinguish. e.g.:
// proposed
partitions {
compatible = "fixed-partitions";
#address-cells = <x>;
#size-cells = <y>;
partition@0 {
...;
};
};
[1] Subject: "mtd: create a partition type device tree binding"
http://lkml.kernel.org/g/20151113220039.GA74382@google.comhttp://lists.infradead.org/pipermail/linux-mtd/2015-November/063355.htmlhttp://lists.infradead.org/pipermail/linux-mtd/2015-November/063364.html
Cc: Michal Suchanek <hramrach@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Add the "renesas,pcie-r8a7795" property for the R-Car H3 device to the
pcie-rcar driver.
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Harunobu Kurokawa <harunobu.kurokawa.dn@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
This is the driver for the Powerventure PV88090 BUCKs and LDOs regulator.
It communicates via an I2C bus to the device.
Signed-off-by: James Ban <James.Ban.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Workqueue stalls can happen from a variety of usage bugs such as
missing WQ_MEM_RECLAIM flag or concurrency managed work item
indefinitely staying RUNNING. These stalls can be extremely difficult
to hunt down because the usual warning mechanisms can't detect
workqueue stalls and the internal state is pretty opaque.
To alleviate the situation, this patch implements workqueue lockup
detector. It periodically monitors all worker_pools periodically and,
if any pool failed to make forward progress longer than the threshold
duration, triggers warning and dumps workqueue state as follows.
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 31s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=17/256
pending: monkey_wrench_fn, e1000_watchdog, cache_reap, vmstat_shepherd, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, release_one_tty, cgroup_release_agent
workqueue events_power_efficient: flags=0x80
pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256
pending: check_lifetime, neigh_periodic_work
workqueue cgroup_pidlist_destroy: flags=0x0
pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1
pending: cgroup_pidlist_destroy_work_fn
...
The detection mechanism is controller through kernel parameter
workqueue.watchdog_thresh and can be updated at runtime through the
sysfs module parameter file.
v2: Decoupled from softlockup control knobs.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Don Zickus <dzickus@redhat.com>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Chris Mason <clm@fb.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
And merge any docbook we have into the kerneldoc comments.
Since it's a legacy entry point with only two implementation (one each
in atomic and legacy crtc helpers) I've made the documentation for
set_config fairly sparse - no one should ever need to look at this
again, all the ABI we have is baked into code.
For ->page_flip otoh I kept all the extensive docs from the docbook
and even extended it where it was lacking: Currently we have a pile of
legacy page_flip implemantations, and even for atomic drivers there's
not yet a standard implementation in the helpers. Which means every
driver needs to implement this itself, and precise specs are really
valuable.
Otherwise there's just cursor, which really just boils down to "use at
least universal planes". And gamma tables (where we have a bit a mess
with the fbdev helper gamma hooks).
v2: Spelling fixes (Eric).
v3: Suggestions from Thierry.
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-20-git-send-email-daniel.vetter@ffwll.ch
Yes these are internal functions and not exported and we generally
don't document them. But for symmetry with the _set_property functions
(which are exported for the atomic helpers) I'd like to document them.
Upcoming vtable kerneldoc will reference both the set and get_property
functions.
v2: Suggestions from Thierry.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-17-git-send-email-daniel.vetter@ffwll.ch
- Merge the docbook into the kerneldoc comments.
- Spec in detail the precise semantics of the callbacks.
- For consistency in wording and easier review roll out kerneldoc also
for crtc, encoder and connector for the standard hooks they share
with planes.
v2: Suggestions from Thierry.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-8-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Thierry Reding <treding@nvidia.com>
Duplication is bad, luckily both help texts highlighted different
issues so the kerneldoc gained quite a bit!
While at it also sprinkle more references to the vtable structs around
and make it clear that legacy CRTC helpers are deprecated and which
functions to use instead.
v2: Spelling fixes and polish (Thierry).
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-6-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Thierry Reding <treding@nvidia.com>
Currently we have 4 helper libraries (probe, crtc, plane & atomic)
that all use the same helper vtables. And that's by necessity since we
don't want to litter the core structs with one ops pointer per helper
library. Also often the reuse the same hooks (like atomic does, to
facilite conversion from existing drivers using crtc and plane
helpers).
Given all that it doesn't make sense to put the docs for these next to
specific helpers. Instead extract them into a new header file and
section in the docbook, and add references to them everywhere.
Unfortunately kernel-doc complains when an include directive doesn't
find anything (and it does by dumping crap into the output file). We
have to remove the now empty includes to avoid that, instead of leaving
them in for future proofing.
v2: More OCD in ordering functions.
v3: Spelling plus collate copyright headers properly.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1449218769-16577-4-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Thierry Reding <treding@nvidia.com>
commit 3566c5b277 ("PM / OPP: Create a directory for opp bindings")
renamed the file:
Documentation/devicetree/bindings/power/opp.txt
to
Documentation/devicetree/bindings/opp/opp.txt
leaving a dead link in cpufreq/arm_big_little_dt.txt.
The link points now to the good file.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
commit 3566c5b277 ("PM / OPP: Create a directory for opp bindings")
renamed the file:
Documentation/devicetree/bindings/power/opp.txt
to
Documentation/devicetree/bindings/opp/opp.txt
leaving a dead link in cpufreq/arm_big_little_dt.txt.
The link points now to the good file.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
s/avaiable/available/g
This fixup is already in scripts/spelling.txt.
The fix in Documentation/ABI/testing/sysfs-ptp affects documentation of
a /sys entry: the /sys entry itself is correct.
Signed-off-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Renesas DIV6 clocks provide a single clock output. Hence make the
"clock-output-names" DT property optional instead of mandatory. In case
the DT property is omitted the DT node name will be used.
Rename the variable "name" to "clk_name" to make the code more similar
with fixed-factor-clock.c, and to avoid a conflict with a nested local
variable while we're at it.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The video engine has its own special module clock, consisting of a clock
gate, configurable dividers, and a reset control.
On later (sun[68]i) families, the reset control is moved out of this
piece of hardware and grouped with reset controls of other peripherals.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Tested-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
The H3 clock control unit is similar to the those of other sun8i family
members like the A23.
It adds a new bus gates clock similar to the simple gates, but with a
different parent clock for each single gate.
Some of the gates use the new AHB2 clock as parent, whose clock source
is muxable between AHB1 and PLL6/2. The documentation isn't totally clear
about which devices belong to AHB2 now, especially USB EHIC/OHIC, so it
is mostly based on Allwinner kernel source code.
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Back merge tag 'v4.4-rc4' into drm-next
We've picked up a few conflicts and it would be nice
to resolve them before we move onwards.
The rcu_expedited, rcu_normal, and rcu_normal_after_boot kernel boot
parameters are pointless in the case of TINY_RCU because in that case
synchronous grace periods, both expedited and normal, are no-ops.
However, these three symbols contribute several hundred bytes of bloat.
This commit therefore uses CPP directives to avoid compiling this code
in TINY_RCU kernels.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Add a compatible string "brcm,bcm-nsp-smp" for Broadcom's
Northstar Plus CPU to the 32-bit ARM CPU device tree binding
documentation file and create a new binding documentation for
Northstar Plus CPU.
Signed-off-by: Kapil Hali <kapilh@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Add the required DT binding documentation for the Marvell PMU driver.
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Add documentation for the Marvell clock divider driver, which is used
to source clocks for the AXI bus, video decoder, GPU and LCD blocks.
Acked-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Update the iProc PCIe device tree bindings with added binding information
for MSI.
Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Vikram Prakash <vikramp@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Add a new compatible string "brcm,iproc-pcie-paxc", for PAXC-based iProc
PCIe root complex. A PAXC-based PCIe root complex is connected to emulated
endpoint devices internal to the ASIC.
Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Trivial patch to add Vivante Corporation to the list of
devicetree vendor prefixes.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
The A10/A20 share the same set of DRAM clock gates, which controls
direct memory access for some peripherals.
On the A10, bit 15 controls the system's DRAM clock output (possibly
to the DRAM chips), which we need to keep on.
On the A20 this has been moved to the DRAM controller, becoming a no-op.
However it is still listed in the user manual, so add it anyway.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Adding a writable sysfs attribute for the "NDP to end"
quirk flag.
This makes it easier for end users to test new devices for
this firmware bug. We've been lucky so far, but we should
not depend on reporters capable of rebuilding the driver.
Cc: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Broadcom BCM63138 DSL SoCs have the same ARMPLL clocking infrastructure
as the Cygnus and iProc chips, add a dedicated compatible string and
document that the ARMPLL node is a valid node for this chip.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
For debugging low level code interacting with the CPU it is often
useful to trace the MSR read/writes. This gives a concise summary of
PMU and other operations.
perf has an ad-hoc way to do this using trace_printk, but it's
somewhat limited (and also now spews ugly boot messages when enabled)
Instead define real trace points for all MSR accesses.
This adds three new trace points: read_msr and write_msr and rdpmc.
They also report if the access faulted (if *_safe is used)
This allows filtering and triggering on specific MSR values, which
allows various more advanced debugging techniques.
All the values are well defined in the CPU documentation.
The trace can be post processed with
Documentation/trace/postprocess/decode_msr.py to add symbolic MSR
names to the trace.
I only added it to native MSR accesses in C, not paravirtualized or in
entry*.S (which is not too interesting)
Originally the patch kit moved the MSRs out of line. This uses an
alternative approach recommended by Steven Rostedt of only moving the
trace calls out of line, but open coding the access to the jump label.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: http://lkml.kernel.org/r/1449018060-1742-3-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2015-12-03
This series contains updates to ixgbe, i40e/i40evf, MAINTAINERS and e100.txt
Alex provides a fix for ixgbe where enabling SR-IOV and then bringing the
interface up was resulting in the PF MAC addresses getting into a bad state.
The workaround for this issue is to bring up the interface first and then
enable SR-IOV as this will trigger the reset in the existing code.
I clean up legacy license stuff in the e100.txt documentation and then
update the maintainers/reviewers list for our drivers.
Jesse fixes an issue with the i40e/i40evf drivers, where if the driver were
to happen to have a mutex held while the i40e_init_adminq() call was called,
the init_adminq might inadvertently call mutex_init on a lock that was held
which is a violation of the calling semantices.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 2ecf810121 ("Documentation/memory-barriers.txt: Add
needed ACCESS_ONCE() calls to memory-barriers.txt") the statement
"Q = P" was converted to "ACCESS_ONCE(Q) = P". This should have
been "Q = ACCESS_ONCE(P)". It later became "WRITE_ONCE(Q, P)".
This doesn't match the following text, which is "Q = LOAD P".
Change the statement to be "Q = READ_ONCE(P)".
Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Because RCU-sched expedited grace periods now use IPIs and interact
with rcu_read_unlock(), it is no longer sufficient to disable preemption
across RCU read-side critical sections that acquire and hold scheduler
locks. It is now necessary to instead disable interrupts. This commit
documents this change.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
The RCU requirements do not make it absolutely clear that the
memory-barrier requirements are not intended to replace the fundamental
requirement that all pre-existing RCU readers complete before a grace
period completes. This commit therefore pulls the memory-barrier
requirements into a separate section and explicitly calls out the
relationship between the memory-barrier requirements and the fundamental
requirement.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit adds a second option for avoiding scheduler/RCU deadlocks,
namely that preemption be disabled across the entire RCU read-side
critical section in question.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit expands on RCU's composability by comparing it to that of
transactional memory and of locking.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit adds verbiage on boot and sysfs parameters that can be
used to control RCU CPU stall warnings, both to change the timeout
and to suppress these warnings entirely.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit records RCU's guarantee that the bottom bit of the rcu_head
structure's ->next field will remain zero for callbacks posted via
call_rcu(), but not necessarily for <tt>kfree_rcu()</tt> or some
possible future call_rcu_lazy() variant that might one day be created
for energy-efficiency purposese.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
[ paulmck: Updates URLs as suggested by Josh Triplett. ]
This commit adds RCU requirements as published in a 2015 LWN series.
Bringing these requirements in-tree allows them to be updated as changes
are discovered.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
[ paulmck: Updates to charset and URLs as suggested by Josh Triplett. ]
On some devices the wake and enable pins of the pixcir touchscreen
controller are connected to gpios and these must be controlled by the
driver for the device to operate properly.
Signed-off-by: Sander Vermin <sander@vermin.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
As agreed with Rusty, we're taking a current module-next pile through
livepatching.git, as it contains solely patches that are pre-requisity
for module page protection cleanups in livepatching. Rusty will be
restarting module-next from scratch.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Expedited grace periods can speed up boot, but are undesirable in
aggressive real-time systems. This commit therefore introduces a
kernel parameter rcupdate.rcu_normal_after_boot that disables
expedited grace periods just before init is spawned.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Although expedited grace periods can be quite useful, and although their
OS jitter has been greatly reduced, they can still pose problems for
extreme real-time workloads. This commit therefore adds a rcu_normal
kernel boot parameter (which can also be manipulated via sysfs)
to suppress expedited grace periods, that is, to treat requests for
expedited grace periods as if they were requests for normal grace periods.
If both rcu_expedited and rcu_normal are specified, rcu_normal wins.
This means that if you are relying on expedited grace periods to speed up
boot, you will want to specify rcu_expedited on the kernel command line,
and then specify rcu_normal via sysfs once boot completes.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This patch fix some typos in Documentation/filesystems/f2fs.txt
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
The documentation wrongly implied that it is a core parameter.
That is not true. If usbcore is compiled as a module, a module
parameter needs a prefix.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
While https was always supported on linuxtv.org, only in
Dec 3 2015 the website is using valid certificates.
As we're planning to drop pure http support on some
future, change all references at the media subsystem
to point to the https URL instead.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
It serves no purpose but to confuse readers, and is most
likely a left over from constant memory-barriers.txt
updates. I.e.:
http://lists.openwall.net/linux-kernel/2006/07/15/27
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <linux-arch@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1445975631-17047-5-git-send-email-dave@stgolabs.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This updates the Arizona MFD device tree bindings to add the
Cirrus Logic CS47L24 and WM1831 codecs. Note that unlike all the
other codecs the DCVDD-supply and MICVDD-supply are mandatory.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Conflicts:
drivers/net/ethernet/renesas/ravb_main.c
kernel/bpf/syscall.c
net/ipv4/ipmr.c
All three conflicts were cases of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull networking fixes from David Miller:
"A lot of Thanksgiving turkey leftovers accumulated, here goes:
1) Fix bluetooth l2cap_chan object leak, from Johan Hedberg.
2) IDs for some new iwlwifi chips, from Oren Givon.
3) Fix rtlwifi lockups on boot, from Larry Finger.
4) Fix memory leak in fm10k, from Stephen Hemminger.
5) We have a route leak in the ipv6 tunnel infrastructure, fix from
Paolo Abeni.
6) Fix buffer pointer handling in arm64 bpf JIT,f rom Zi Shen Lim.
7) Wrong lockdep annotations in tcp md5 support, fix from Eric
Dumazet.
8) Work around some middle boxes which prevent proper handling of TCP
Fast Open, from Yuchung Cheng.
9) TCP repair can do huge kmalloc() requests, build paged SKBs
instead. From Eric Dumazet.
10) Fix msg_controllen overflow in scm_detach_fds, from Daniel
Borkmann.
11) Fix device leaks on ipmr table destruction in ipv4 and ipv6, from
Nikolay Aleksandrov.
12) Fix use after free in epoll with AF_UNIX sockets, from Rainer
Weikusat.
13) Fix double free in VRF code, from Nikolay Aleksandrov.
14) Fix skb leaks on socket receive queue in tipc, from Ying Xue.
15) Fix ifup/ifdown crach in xgene driver, from Iyappan Subramanian.
16) Fix clearing of persistent array maps in bpf, from Daniel
Borkmann.
17) In TCP, for the cross-SYN case, we don't initialize tp->copied_seq
early enough. From Eric Dumazet.
18) Fix out of bounds accesses in bpf array implementation when
updating elements, from Daniel Borkmann.
19) Fill gaps in RCU protection of np->opt in ipv6 stack, from Eric
Dumazet.
20) When dumping proxy neigh entries, we have to accomodate NULL
device pointers properly, from Konstantin Khlebnikov.
21) SCTP doesn't release all ipv6 socket resources properly, fix from
Eric Dumazet.
22) Prevent underflows of sch->q.qlen for multiqueue packet
schedulers, also from Eric Dumazet.
23) Fix MAC and unicast list handling in bnxt_en driver, from Jeffrey
Huang and Michael Chan.
24) Don't actively scan radar channels, from Antonio Quartulli"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (110 commits)
net: phy: reset only targeted phy
bnxt_en: Setup uc_list mac filters after resetting the chip.
bnxt_en: enforce proper storing of MAC address
bnxt_en: Fixed incorrect implementation of ndo_set_mac_address
net: lpc_eth: remove irq > NR_IRQS check from probe()
net_sched: fix qdisc_tree_decrease_qlen() races
openvswitch: fix hangup on vxlan/gre/geneve device deletion
ipv4: igmp: Allow removing groups from a removed interface
ipv6: sctp: implement sctp_v6_destroy_sock()
arm64: bpf: add 'store immediate' instruction
ipv6: kill sk_dst_lock
ipv6: sctp: add rcu protection around np->opt
net/neighbour: fix crash at dumping device-agnostic proxy entries
sctp: use GFP_USER for user-controlled kmalloc
sctp: convert sack_needed and sack_generation to bits
ipv6: add complete rcu protection around np->opt
bpf: fix allocation warnings in bpf maps and integer overflow
mvebu: dts: enable IP checksum with jumbo frames for Armada 38x on Port0
net: mvneta: enable setting custom TX IP checksum limit
net: mvneta: fix error path for building skb
...
The following directory structure will allow for cases when the same
function name exists in a single object.
/sys/kernel/livepatch/<patch>/<object>/<function,sympos>
The sympos number corresponds to the nth occurrence of the symbol name in
kallsyms for the patched object.
An example of patching multiple symbols can be found here:
https://github.com/dynup/kpatch/issues/493
Signed-off-by: Chris J Arges <chris.j.arges@canonical.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Apparently the e100.txt document contained a "License" section left
over from days of old, which does not need to be in the kernel
documentation. So clean it up..
CC: John Ronciak <john.ronciak@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
The hold field allows to configure the data hold time which can be set
with the help of the generic binding 'i2c-sda-hold-time-ns'. This
feature has been introduced with SAMA5D4 SoC family.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Simply document new compatibility strings.
As a previous patch adds a generic R-Car Gen2 compatibility string
there appears to be no need for a driver updates.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add fallback compatibility strings for R-Car Gen 2 & 3 SoC Families.
This is in keeping with the fallback scheme being adopted wherever appropriate
for drivers for Renesas SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
arm64 relies on the arm_arch_timer for sched_clock, so we can select
HAVE_IRQ_TIME_ACCOUNTING and have the core sched-clock code enable the
feature at runtime based on the rate.
Reported-by: Mario Smarduch <m.smarduch@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Since CHANGEUPPER can now fail, add support for it in the newly
introduced netdev notifier error injection infrastructure.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SBC-AM57x is a single board computer designed for industrial and
embedded applications. It is based on the Texas Instruments Sitara AM57x
system-on-chip family. SBC-AM57x is implemented with the CL-SOM-AM57x
computer-on-module providing most of the functions, and SB-SOM-AM57x
carrier board providing additional peripheral functions and connectors.
https://www.compulab.co.il/products/sbcs/sbc-am57x-ti-am5728-am5718-single-board-computer/https://www.compulab.co.il/products/computer-on-modules/cl-som-am57x-ti-am5728-am5718-system-on-module/
Add basic board support, including UART3, used as a serial console.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add support for CompuLab CM-SOM-AM57X board.
CL-SOM-AM57x is a miniature System-on-Module (SoM) based on
TI Sitara AM57x ARM Cortex-A15 System-on-Chip family.
https://www.compulab.co.il/products/computer-on-modules/cl-som-am57x-ti-am5728-am5718-system-on-module/
Add basic DT support for standalone module (without a carrier board):
* Memory configuration
* Heartbeat led
* I2C1 and I2C4
* PMIC
* SATA
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
CompuLab SB-SOM baseboard is a carrier board for multiple arm-based SoMs.
It currently supports (with minor adjustments to assembly) CM-T43, CM-T54,
and CM-QS600 modules. It is a building block in the SBC-T43 single board
computer, which consists of cm-t43 on top of sb-som-t43.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add basic support for SBC-T43: a CM-T43 based single board computer.
CM-T43 is an AM437x based System-on-Module designed to serve as a building
block in embedded applications. SBC-T43 is composed of CM-T43 module on
top of the SB-SOM-T43 baseboard.
Basic support includes UART, GPIO, and I2C.
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Also known as the Asus Chromebit.
Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Tested-by: Caesar Wang <wxt@rock-chips.com>
For the license change:
Acked-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Similar to pinky, brain is a development model and probably also
nearing extinction. But to keep pinky from being lonely I'll keep
the two brain boards around as well, especially as they as well
have easily accessible dut-connectors.
Signed-off-by: Heiko Stuebner <heiko.stuebner@collabora.com>
For the license change:
Acked-by: Brian Norris <briannorris@chromium.org>
Add the device tree bindings document for the TI Wakeup M3 IPC
device on AM33xx and AM43xx SoCs. These devices are used by the
TI wkup_m3_ipc driver, and contain the registers upon which the
IPC protocol to communicate with the Wakeup M3 processor is
implemented.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add the new match_reduced_fps argument to v4l2_match_dv_timings().
Depending on the situation you may or may not desire to match the
reduced_fps flag. Typically only HDMI transmitters will need to
check for this flag.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
sun9i A80 introduces a new variant of the NMI controller. The registers
are reordered, but the functionality remains the same.
Add a new compatible string for it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/1449130813-22400-3-git-send-email-wens@csie.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The NMI controller is found in all Allwinner multi-core SoCs. It is not
limited to sun[67]i, nor is it always found in the "system controller"
block. On sun[68]i, it is in the RTC block, while on sun9i, it is in the
PRCM block.
Drop these 2 specific bits from the binding doc filename.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lkml.kernel.org/r/1449130813-22400-2-git-send-email-wens@csie.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Since Armada 38x SoC can support IP checksum for jumbo frames only on
a single port, it means that this feature should be enabled per-port,
rather than for the whole SoC.
This patch enables setting custom TX IP checksum limit by adding new
optional property to the mvneta device tree node. If not used, by
default 1600B is set for "marvell,armada-370-neta" and 9800B for other
strings, which ensures backward compatibility. Binding documentation
is updated accordingly.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a property to allow changing the default power-saving mode.
By default, at read raw the chip will activate and provide
one measurent, then it will shut itself down. However, the
chip can also work in "continuous" mode which may be more reliable
but is also more power consuming.
Signed-off-by: Adriana Reus <adriana.reus@intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
The mcp3421 is the single channel variant of the mcp342x family and
can be supported by the mcp342x driver.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This board is similar with the rk3288 evb board but the rk3368 top
board. There exist the act8846 as the pmic.
Moment, add the balight/thermal/emmc/usb.. stuff,
Let the board can happy work.
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
USB3 LPM is default on in Linux kernel if both xHCI host controller
and the USB devices declare to be LPM-capable. Unfortunately, some
devices are known to work well with LPM disabled, but to be broken
if LPM is enabled, although it declares the LPM capability. Users
won't be able to use this kind of devices, until someone puts them
in the kernel blacklist and gets the kernel upgraded.
This patch adds a sysfs node to permit or forbit USB3 LPM U1 or U2
entry for a port. The settings apply to both before and after device
enumeration. Supported values are "0" - neither u1 nor u2 permitted,
"u1" - only u1 is permitted, "u2" - only u2 is permitted, "u1_u2" -
both u1 and u2 are permitted. With this interface, users can use an
LPM-unfriendly USB device on a released Linux kernel.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Zhuang Jin Can <jin.can.zhuang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 655fe4effe ("usbcore: add sysfs support to xHCI usb3
hardware LPM") introduced usb3_hardware_lpm sysfs node. This
doesn't show the correct status of USB3 U1 and U2 LPM status.
This patch fixes this by replacing usb3_hardware_lpm with two
nodes, usb3_hardware_lpm_u1 (for U1) and usb3_hardware_lpm_u2
(for U2), and recording the U1/U2 LPM status in right places.
This patch should be back-ported to kernels as old as 4.3,
that contains Commit 655fe4effe ("usbcore: add sysfs support
to xHCI usb3 hardware LPM").
Cc: stable@vger.kernel.org
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Lots of header files are never included outside of a mach-pxa
directory and do not need to be made visible in include/mach,
so let's just move them all down one level.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds support for the touchscreen on Samsung s3c64xx.
The driver is completely untested but shows roughly how
it could be done, following the example of the at91 driver.
compared to the old plat-samsung/adc driver, there is
no support for prioritizing ts over other clients, nor
for oversampling. From my reading of the code, the
priorities didn't actually have any effect at all, but
the oversampling might be needed.
Verifying this driver is the main issue that is currently
holding up multiplatform support for s3c64xx, so any help
in testing is very much appreciated.
The current version uses the IS_REACHABLE() that is
going to be introduced in the linux-media tree, please
comment this out for testing.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This module allows to insert errors in some of netdevice's notifier
events. All network drivers use these notifiers to signal various events
and to check if they are allowed, e.g. PRECHANGEMTU and CHANGEMTU
afterwards. Until recently I had to run failure tests by injecting
a custom module, but now this infrastructure makes it trivial to test
these failure paths. Some of the recent bugs I fixed were found using
this module.
Here's an example:
$ cd /sys/kernel/debug/notifier-error-inject/netdev
$ echo -22 > actions/NETDEV_CHANGEMTU/error
$ ip link set eth0 mtu 1024
RTNETLINK answers: Invalid argument
CC: Akinobu Mita <akinobu.mita@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: netdev <netdev@vger.kernel.org>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The R-Car H3 has two xHCI controllers. This SoC is compatible with
R-Car Gen2 SoCs, however this SoC doesn't need some specific registers
setting, and need a new firmware.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds support for R-Car M2-N (r8a7793) xHCI controller.
This SoC is compatible with R-Car H2 (r8a7790) and R-Car M2-W (r8a7791).
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The usbfs_snoop facility can be very useful for debugging problems
involving usbfs. However, it always prints out the entire contents of
every URB. When dealing with large quantities of data, this can be
less than helpful.
This patch ameliorates the situation by adding a module parameter to
usbcore for controlling the maximum number of bytes to print when
snooping an URB. This makes debugging much easier. For backward
compatibility, the default value is set unreasonably high.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Usual mixed bag, but the big item perhaps in this series is the DMA buffer
support added by Lars-Peter Clausen. It's been in the works for a long time
and it will be interesting to see what hardware support shows up now that
this is available.
New core features + associate cleanup.
* Add generic DMA buffer infrastructure
* Add a DMAengine framework based buffer
Also associated minor changes.
- Set the device buffer watermark based on the minimum watermark for all
attached buffers rather than just the 'primary' one.
- iio_buffer_init - only set the watermark default if one hasn't already
been provided. This allows simple support for devices with a fixed
watermark.
- read only attribute for watermark on fixed watermark devices.
- add explicit buffer enable/disable callbacks to allow the buffer to
do more than trivial actions when it is being turned on and off.
* IIO_VAL_INT support in write_raw_get_fmt function.
New device support
* Freescale MMA7455/7456L accelerometers
* Memsic MXC6255XC accelerometer
* ST lis2dh12 accelerometer
* TI ADS8688 ADC
* TI Palamas (twl6035/7) gpadc
New driver features
* mma8452
- support either of the available interrupt pins to cope with the case
where board layout has lead to a particular one being connected.
Staging graduation
* Dummy driver
- this driver acts as both an example and a test device for those with
out hardware to develop userspace code against.
Cleanups and minor bits and bobs.
* treewide
- Sort out the ordering of iio_device_register/unregister vs runtime
pm function calls so that it's all nice and consistent and not race
prone.
- Check sscanf return values. None of the cases will actually happen as
the strings are supplied internally, but best to be consistent on this.
* ad7780
- switch over to the gpio descriptor interface and remove the now unused
platform data which gets rid of a header entirely.
* ad7793
- drop a pointless else statement.
* at91_adc
- Swap kmalloc_array in for a kmalloc doing the same job.
* dummy
- get rid of some commented out lines that snuck in during the move of
the driver.
* lm3533-als
- Print an error message on provision of an invalid resistance.
* mcp320x
- Add compatible strings with vendor prefix and deprecate those with
no vendor prefix.
* mxs-lradc
- Use BIT macro in various places rather than shifted ones.
* pa12203001
- Power off the chip if the registration fails.
* pulsedlight-lidar-lite
- add runtime PM support.
* xilinx XADC
- constify an iio_buffer_setup_ops structure.
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Merge tag 'iio-for-4.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new device support, features and cleanups for IIO in the 4.5 cycle
Usual mixed bag, but the big item perhaps in this series is the DMA buffer
support added by Lars-Peter Clausen. It's been in the works for a long time
and it will be interesting to see what hardware support shows up now that
this is available.
New core features + associate cleanup.
* Add generic DMA buffer infrastructure
* Add a DMAengine framework based buffer
Also associated minor changes.
- Set the device buffer watermark based on the minimum watermark for all
attached buffers rather than just the 'primary' one.
- iio_buffer_init - only set the watermark default if one hasn't already
been provided. This allows simple support for devices with a fixed
watermark.
- read only attribute for watermark on fixed watermark devices.
- add explicit buffer enable/disable callbacks to allow the buffer to
do more than trivial actions when it is being turned on and off.
* IIO_VAL_INT support in write_raw_get_fmt function.
New device support
* Freescale MMA7455/7456L accelerometers
* Memsic MXC6255XC accelerometer
* ST lis2dh12 accelerometer
* TI ADS8688 ADC
* TI Palamas (twl6035/7) gpadc
New driver features
* mma8452
- support either of the available interrupt pins to cope with the case
where board layout has lead to a particular one being connected.
Staging graduation
* Dummy driver
- this driver acts as both an example and a test device for those with
out hardware to develop userspace code against.
Cleanups and minor bits and bobs.
* treewide
- Sort out the ordering of iio_device_register/unregister vs runtime
pm function calls so that it's all nice and consistent and not race
prone.
- Check sscanf return values. None of the cases will actually happen as
the strings are supplied internally, but best to be consistent on this.
* ad7780
- switch over to the gpio descriptor interface and remove the now unused
platform data which gets rid of a header entirely.
* ad7793
- drop a pointless else statement.
* at91_adc
- Swap kmalloc_array in for a kmalloc doing the same job.
* dummy
- get rid of some commented out lines that snuck in during the move of
the driver.
* lm3533-als
- Print an error message on provision of an invalid resistance.
* mcp320x
- Add compatible strings with vendor prefix and deprecate those with
no vendor prefix.
* mxs-lradc
- Use BIT macro in various places rather than shifted ones.
* pa12203001
- Power off the chip if the registration fails.
* pulsedlight-lidar-lite
- add runtime PM support.
* xilinx XADC
- constify an iio_buffer_setup_ops structure.
The "cpus" clock is the clock for the embedded processor in the A80.
It is also part of the PRCM clock tree. This clock includes a pre-
divider on one of its inputs. For now we are using a custom clock
driver for it. In the future we may want to develop a generalized
driver for these types of clocks, which also includes the AHB clock
driver on sun[5678]i.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This patch adds support for the PRCM apbs clock gates found on the
Allwinner A80 SoC.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Update the driver and binding for pm8994-mpp devices.
Cc: <devicetree@vger.kernel.org>
Cc: "Ivan T. Ivanov" <iivanov@mm-sol.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Björn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Update the binding and driver for pm8994-gpio devices.
Cc: <devicetree@vger.kernel.org>
Cc: "Ivan T. Ivanov" <iivanov@mm-sol.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Björn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add initial pinctrl driver to support pin configuration with
pinctrl framework for msm8996.
Cc: <devicetree@vger.kernel.org>
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
[sboyd@codeaurora.org: Remove duplicate entries and enums]
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Björn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add a boot option that strictly manages the MSR unavailable bits.
This catches kernel uses of FP/Altivec/SPE that would otherwise
corrupt user state.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Add a driver for the multimedia clock controller found on MSM8996
based devices. This should allow most multimedia device drivers
to probe and control their clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Add support for the global clock controller found on MSM8996
based devices. This should allow most non-multimedia device
drivers to probe and control their clocks.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
remove tps65217.dtsi and adapt all boards, which
used it.
Signed-off-by: Heiko Schocher <hs@denx.de>
Tested-by: Keerthy <j-keerthy@ti.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add basic support for CompuLab cm-t335 module based on AM335X SoC.
CM-T335 is a tiny computer-on-module (CoM) / system-on-module (SoM)
The module is built around the Texas Instruments Sitara AM3352/4
system-on-chip.
The CPU is supplemented with up-to 512MB DDR3 and up-to 1GB of on-board
NAND storage, WiFi connected to SPI, Bluetooth, Analog audio, Gigabit
Ethernet, CAN bus.
Current patch adds support:
UART0 and GPIO LED
Detailed description can be found at the module site:
http://www.compulab.co.il/products/computer-on-modules/cm-t335/
Signed-off-by: Ilya Ledvich <ilya@compulab.co.il>
[uri.mashiach@compulab.co.il: the default RAM amount reduced to
128MB to support also the minimal module configuration]
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
drm-intel-next-2015-11-20-rebased:
4 weeks because of my vacation, so a bit more:
- final bits of the typesafe register mmio functions (Ville)
- power domain fix for hdmi detection (Imre)
- tons of fixes and improvements to the psr code (Rodrigo)
- refactoring of the dp detection code (Ander)
- complete rework of the dmc loader and dc5/dc6 handling (Imre, Patrik and
others)
- dp compliance improvements from Shubhangi Shrivastava
- stop_machine hack from Chris to fix corruptions when updating GTT ptes on bsw
- lots of fifo underrun fixes from Ville
- big pile of fbc fixes and improvements from Paulo
- fix fbdev failures paths (Tvrtko and Lukas Wunner)
- dp link training refactoring (Ander)
- interruptible prepare_plane for atomic (Maarten)
- basic kabylake support (Deepak&Rodrigo)
- don't leak ringspace on resets (Chris)
drm-intel-next-2015-10-23:
- 2nd attempt at atomic watermarks from Matt, but just prep for now
- fixes all over
* tag 'drm-intel-next-2015-11-20-merged' of git://anongit.freedesktop.org/drm-intel: (209 commits)
drm/i915: Update DRIVER_DATE to 20151120
drm/i915: take a power domain reference while checking the HDMI live status
drm/i915: take a power domain ref only when needed during HDMI detect
drm/i915: Tear down fbdev if initialization fails
async: export current_is_async()
Revert "drm/i915: Initialize HWS page address after GPU reset"
drm/i915: Fix oops caused by fbdev initialization failure
drm/i915: Fix i915_ggtt_view_equal to handle rotation correctly
drm/i915: Stuff rotation params into view union
drm/i915: Drop return value from intel_fill_fb_ggtt_view
drm/i915 : Fix to remove unnecsessary checks in postclose function.
drm/i915: add MISSING_CASE to a few port/aux power domain helpers
drm/i915/ddi: fix intel_display_port_aux_power_domain() after HDMI detect
drm/i915: Remove platform specific *_dp_detect() functions
drm/i915: Don't do edp panel detection in g4x_dp_detect()
drm/i915: Send TP1 TP2/3 even when panel claims no NO_TRAIN_ON_EXIT.
drm/i915: PSR: Don't Skip aux handshake on DP_PSR_NO_TRAIN_ON_EXIT.
drm/i915: Reduce PSR re-activation time for VLV/CHV.
drm/i915: Delay first PSR activation.
drm/i915: Type safe register read/write
...
Here's the first drm-misc pull, with really mostly misc stuff all over.
Somewhat invasive is only Ville's change to mark the arg struct for
fb_create const - that might conflict with a new driver pull. So better to
get in fast.
* tag 'topic/drm-misc-2015-11-26' of git://anongit.freedesktop.org/drm-intel:
drm/mm: use list_next_entry
drm/i915: fix potential dangling else problems in for_each_ macros
drm: fix potential dangling else problems in for_each_ macros
drm/sysfs: Send out uevent when connector->force changes
drm/atomic: Small documentation fix.
drm/mm: rewrite drm_mm_for_each_hole
drm/sysfs: Grab lock for edid/modes_show
drm: Print the src/dst/clip rectangles in error in drm_plane_helper
drm: Add "prefix" parameter to drm_rect_debug_print()
drm: Keep coordinates in the typical x, y, w, h order instead of x, y, h, w
drm: Pass the user drm_mode_fb_cmd2 as const to .fb_create()
drm: modes: replace simple_strtoul by kstrtouint
drm: Describe the Rotation property bits.
drm: Remove unused fbdev_list members
GPU-DRM: Delete unnecessary checks before drm_property_unreference_blob()
drm/dp: add eDP DPCD backlight control bit definitions
drm/tegra: Remove local fbdev emulation Kconfig option
drm/imx: Remove local fbdev emulation Kconfig option
drm/gem: Update/Polish docs
drm: Update GEM refcounting docs
MSIOF in SH-Mobile AG5 (sh73a0) is handled fine by the existing driver.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
Simply document new compat strings.
There appears to be no need for a driver updates.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Now that spidev_test and spidev_fdx have been moved, remove them
from the Documentation index and move their .gitignore file.
Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds the new dedicated "lantiq,<chip>-pinctrl" compatible strings
to the devicetree bindings Documentation, where <chip> is one of "ase",
"danube", "xrx100", "xrx200" or "xrx300" and marks the "lantiq,pinctrl-xway",
"lantiq,pinctrl-ase" and "lantiq,pinctrl-xr9" compatible strings as DEPRECATED.
Signed-off-by: Martin Schiller <mschiller@tdt.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In eDMA the events are directly mapped to a DMA channel (for example DMA
event 14 can only be handled by DMA channel 14). If the memcpy is enabled
on the eDMA, there is a possibility that the crossbar driver would assign
DMA event number already allocated in eDMA for memcpy. Furthermore the
eDMA can be shared with DSP in which case the crossbar driver should also
avoid mapping xbar events to DSP used event numbers (or channels).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Renamed gpio controller's driver name from cygnus to iproc to make it
more generic so that all iProc based SoCs having the same gpio controller
could use this.
Signed-off-by: Pramod Kumar <pramodku@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add ngpios property to the gpio controller's DT node so that controller
driver extracts total number of in-use gpio lines from DT and removes
dependency on driver.
Signed-off-by: Pramod Kumar <pramodku@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Pull thermal management fixes from Zhang Rui:
"Specifics:
- several fixes and cleanups on Rockchip thermal drivers.
- add the missing support of RK3368 SoCs in Rockchip driver.
- small fixes on of-thermal, power_allocator, rcar driver, IMX, and
QCOM drivers, and also compilation fixes, on thermal.h, when thermal
is not selected"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
imx: thermal: use CPU temperature grade info for thresholds
thermal: fix thermal_zone_bind_cooling_device prototype
Revert "thermal: qcom_spmi: allow compile test"
thermal: rcar_thermal: remove redundant operation
thermal: of-thermal: Reduce log level for message when can't fine thermal zone
thermal: power_allocator: Use temperature reading from tz
thermal: rockchip: Support the RK3368 SoCs in thermal driver
thermal: rockchip: consistently use int for temperatures
thermal: rockchip: Add the sort mode for adc value increment or decrement
thermal: rockchip: improve the conversion function
thermal: rockchip: trivial: fix typo in commit
thermal: rockchip: better to compatible the driver for different SoCs
dt-bindings: rockchip-thermal: Support the RK3368 SoCs compatible
There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an MFD include
file to get merged through another tree. We normally try to sort those out
before the merge window opens, but the maintainer wasn't aware of that here
and I decided to merge the changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
get audio working.
The other changes are the usual simple changes, here is a list sorted by
platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y
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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 Arnd Bergmann:
"There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an
MFD include file to get merged through another tree.
We normally try to sort those out before the merge window opens, but
the maintainer wasn't aware of that here and I decided to merge the
changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but
turned out to be necessary to fix a boot time imprecise external abort
error and to get audio working.
The other changes are the usual simple changes, here is a list sorted
by platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
ARM: OMAP4+: SMP: use lockless clkdm/pwrdm api in omap4_boot_secondary
arm: omap2+: add missing HWMOD_NO_IDLEST in 81xx hwmod data
ARM: orion5x: Fix legacy get_irqnr_and_base
ARM: dove: Fix legacy get_irqnr_and_base
soc: Mediatek: Enable SCPSYS power domain driver by default
ARM: dts: vfxxx: Fix dspi[01] spi-num-chipselects.
ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs
soc: ti: knav_qmss_queue: Fix linking RAM setup for queue managers
soc: ti: use request_firmware_direct() as acc firmware is optional
ARM: imx: add platform irq type setting in gpc
ARM: dts: vfxxx: Fix erroneous property in esdhc0 node
ARM: shmobile: r8a7793: proper constness with __initconst
scpi: hide get_scpi_ops in module from built-in code
ARM: zx: only build power domain code when CONFIG_PM=y
ARM: pxa: palm: Fix typos in PWM lookup table code
ARM: dts: Kirkwood: Fix QNAP TS219 power-off
ARM: dts: rockchip: Add OTP gpio pinctrl to rk3288 tsadc node
ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
MAINTAINERS: Atmel drivers: change NAND and ISI entries
ARM: at91/dt: sama5d2 Xplained: add several devices
...
Add DT bindings documentation for the rk3288 crypto drivers.
Signed-off-by: Zain Wang <zain.wang@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This binding describes LM3631 and LM3632 regulator properties.
Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
New versions of the SCSI dumper use the /dev/vmcore interface instead
of zcore mem. Remove the outdated interface.
Acked-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This site is archaic and should be consulted for historical reasons
only. Move it to the documentation file.
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Add part numbers for APE6 and current set of R-Car Gen2 SoCs to the
IPMMU DT binding documentation. The example is also updated to show
how the generic compatible string may be used as fallback.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Add devicetree bindings for HiSilicon SAS driver.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
If the DTB specifies dma-ranges, use those values. Otherwise, default to
the values that were previously hardcoded into the driver.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
At some call sites of rmap_get_first() and rmap_get_next(), BUG_ON is
placed right after the call to detect unrelated sptes which must not be
found in the reverse-mapping list.
Move this check in rmap_get_first/next() so that all call sites, not
just the users of the for_each_rmap_spte() macro, will be checked the
same way.
One thing to keep in mind is that kvm_mmu_unlink_parents() also uses
rmap_get_first() to handle parent sptes. The change will not break it
because parent sptes are present, at least until drop_parent_pte()
actually unlinks them, and not mmio-sptes.
Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
A new vcpu exit is introduced to notify the userspace of the
changes in Hyper-V SynIC configuration triggered by guest writing to the
corresponding MSRs.
Changes v4:
* exit into userspace only if guest writes into SynIC MSR's
Changes v3:
* added KVM_EXIT_HYPERV types and structs notes into docs
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Gleb Natapov <gleb@kernel.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: qemu-devel@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
SynIC (synthetic interrupt controller) is a lapic extension,
which is controlled via MSRs and maintains for each vCPU
- 16 synthetic interrupt "lines" (SINT's); each can be configured to
trigger a specific interrupt vector optionally with auto-EOI
semantics
- a message page in the guest memory with 16 256-byte per-SINT message
slots
- an event flag page in the guest memory with 16 2048-bit per-SINT
event flag areas
The host triggers a SINT whenever it delivers a new message to the
corresponding slot or flips an event flag bit in the corresponding area.
The guest informs the host that it can try delivering a message by
explicitly asserting EOI in lapic or writing to End-Of-Message (EOM)
MSR.
The userspace (qemu) triggers interrupts and receives EOM notifications
via irqfd with resampler; for that, a GSI is allocated for each
configured SINT, and irq_routing api is extended to support GSI-SINT
mapping.
Changes v4:
* added activation of SynIC by vcpu KVM_ENABLE_CAP
* added per SynIC active flag
* added deactivation of APICv upon SynIC activation
Changes v3:
* added KVM_CAP_HYPERV_SYNIC and KVM_IRQ_ROUTING_HV_SINT notes into
docs
Changes v2:
* do not use posted interrupts for Hyper-V SynIC AutoEOI vectors
* add Hyper-V SynIC vectors into EOI exit bitmap
* Hyper-V SyniIC SINT msr write logic simplified
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Gleb Natapov <gleb@kernel.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Roman Kagan <rkagan@virtuozzo.com>
CC: Denis V. Lunev <den@openvz.org>
CC: qemu-devel@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
ASRC need to enable the spba clock, when sdma is using share peripheral
script. In this case, there is two spba master port is used, if don't
enable the clock, the spba bus will have arbitration issue, which may
cause read/write wrong data from/to ASRC registers
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
SPDIF need to enable the spba clock, when sdma is using share peripheral
script. In this case, there is two spba master port is used, if don't
enable the clock, the spba bus will have arbitration issue, which may
cause read/write wrong data from/to SPDIF registers.
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
ESAI need to enable the spba clock, when sdma is using share peripheral
script. In this case, there is two spba master port is used, if don't
enable the clock, the spba bus will have arbitration issue, which may
cause read/write wrong data from/to ESAI registers.
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Pull block layer fixes from Jens Axboe:
"A round of fixes/updates for the current series.
This looks a little bigger than it is, but that's mainly because we
pushed the lightnvm enabled null_blk change out of the merge window so
it could be updated a bit. The rest of the volume is also mostly
lightnvm. In particular:
- Lightnvm. Various fixes, additions, updates from Matias and
Javier, as well as from Wenwei Tao.
- NVMe:
- Fix for potential arithmetic overflow from Keith.
- Also from Keith, ensure that we reap pending completions from
a completion queue before deleting it. Fixes kernel crashes
when resetting a device with IO pending.
- Various little lightnvm related tweaks from Matias.
- Fixup flushes to go through the IO scheduler, for the cases where a
flush is not required. Fixes a case in CFQ where we would be
idling and not see this request, hence not break the idling. From
Jan Kara.
- Use list_{first,prev,next} in elevator.c for cleaner code. From
Gelian Tang.
- Fix for a warning trigger on btrfs and raid on single queue blk-mq
devices, where we would flush plug callbacks with preemption
disabled. From me.
- A mac partition validation fix from Kees Cook.
- Two merge fixes from Ming, marked stable. A third part is adding a
new warning so we'll notice this quicker in the future, if we screw
up the accounting.
- Cleanup of thread name/creation in mtip32xx from Rasmus Villemoes"
* 'for-linus' of git://git.kernel.dk/linux-block: (32 commits)
blk-merge: warn if figured out segment number is bigger than nr_phys_segments
blk-merge: fix blk_bio_segment_split
block: fix segment split
blk-mq: fix calling unplug callbacks with preempt disabled
mac: validate mac_partition is within sector
mtip32xx: use formatting capability of kthread_create_on_node
NVMe: reap completion entries when deleting queue
lightnvm: add free and bad lun info to show luns
lightnvm: keep track of block counts
nvme: lightnvm: use admin queues for admin cmds
lightnvm: missing free on init error
lightnvm: wrong return value and redundant free
null_blk: do not del gendisk with lightnvm
null_blk: use device addressing mode
null_blk: use ppa_cache pool
NVMe: Fix possible arithmetic overflow for max segments
blk-flush: Queue through IO scheduler when flush not required
null_blk: register as a LightNVM device
elevator: use list_{first,prev,next}_entry
lightnvm: cleanup queue before target removal
...
By popular vote, the DT binding includes for reset controllers are located
in include/dt-bindings/reset/. Move the mediatek reset constants in there,
too, to avoid confusion.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Fix the incorrect interrupt documentation file path in binding docs.
Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
A bunch of things have been removed meanwhile and docs not fully
brought up to speed. And a few gaps closed where I noticed missing
kerneldoc while reading through the overview sections.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1445533889-7661-3-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
I just realized that I've forgotten to update all the gem refcounting
docs. For pennance also add pretty docs for the overall drm_gem_object
structure, with a few links thrown in fore good.
As usually we need to make sure the kerneldoc reference is at most a
sect2 for otherwise it won't be listed.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1445533889-7661-1-git-send-email-daniel.vetter@ffwll.ch
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Add time units of -ms (milliseconds) to wlf,micd-timeout.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Update the name for the second jack detection pin binding to be a little
less confusing.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
It would be better to name OPP nodes as opp@<opp-hz> as that will ensure
that multiple DT nodes don't contain the same frequency. Of course we
expect the writer to name the node with its opp-hz frequency and not any
other frequency.
And that will let the compile error out if multiple nodes are using the
same opp-hz frequency.
Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
These aren't used until now by any DT files and wouldn't be used now as
we have a better scheme in place now, i.e. opp-property-<name>
properties.
Remove the (useless) binding without breaking ABI.
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Depending on the version of hardware or its properties, which are only
known at runtime, various properties of the OPP can change. For example,
an OPP with frequency 1.2 GHz, may have different voltage/current
requirements based on the version of the hardware it is running on.
In order to not replicate the same OPP tables for varying values of all
such fields, this commit introduces the concept of opp-property-<name>.
The <name> can be chosen by the platform at runtime, and OPPs will be
initialized depending on that name string. Currently support is extended
for the following properties:
- opp-microvolt-<name>
- opp-microamp-<name>
If the name string isn't provided by the platform, or if it is provided
but doesn't match the properties present in the OPP node, we will fall
back to the original properties without the -<name> string, if they are
available.
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
We may want to enable only a subset of OPPs, from the bigger list of
OPPs, based on what version of the hardware we are running on. This
would enable us to not duplicate OPP tables for every version of the
hardware we support.
To enable that, this patch defines a new property 'opp-supported-hw'. It
can support any number of hierarchy levels of the versions the hardware
follows. And based on the selected hardware versions, we can pick only
the relevant OPPs at runtime.
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add the devicetree binding for the cru on the rk3036 which quite similar
structured as previous clock controllers.
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Currently kernel crash randomly when K2L EVM is booted without
clk_ignore_unused in the bootargs. This workaround is not needed
on other K2 devices such as K2HK and K2E and with this fix, we can
remove the workaround altogether. netcp driver on K2L uses linked
ram on OSR (On chip Static RAM) and requires the clock to this peripheral
enabled for proper functioning. This is the reason for the kernel crash.
So add the clock node to fix this issue.
While at it, remove the workaround documentation as well.
With the fix applied, clk_summary dump shows the clock to OSR enabled.
cat /sys/kernel/debug/clk/clk_summary
------cut--------------
tcp3d-1 0 0 399360000 0 0
tcp3d-0 0 0 399360000 0 0
osr 1 1 399360000 0 0
fftc-0 0 0 399360000 0 0
-----cut----------------
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
Some boards have a gpio line tied to the switch reset pin. Allow this
gpio to be retrieved from the device tree, and take the switch out of
reset before performing the probe.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'v4.4-rc2' into patchwork
Linux 4.4-rc2
Several PCI media drivers got broken on Kernel 4.4-rc1, due to
pci_set_dma_mask() regressions. So, we need to add those fixes back
for the media drivers to work again.
* tag 'v4.4-rc2': (335 commits)
Linux 4.4-rc2
slab/slub: adjust kmem_cache_alloc_bulk API
slub: add missing kmem cgroup support to kmem_cache_free_bulk
slub: fix kmem cgroup bug in kmem_cache_alloc_bulk
slub: optimize bulk slowpath free by detached freelist
slub: support for bulk free with SLUB freelists
parisc: Map kernel text and data on huge pages
parisc: Add Huge Page and HUGETLBFS support
parisc: Use long branch to do_syscall_trace_exit
parisc: Increase initial kernel mapping to 32MB on 64bit kernel
parisc: Initialize the fault vector earlier in the boot process.
parisc: Add defines for Huge page support
parisc: Drop unused MADV_xxxK_PAGES flags from asm/mman.h
serial: export fsl8250_handle_irq
serial: 8250_mid: Add missing dependency
tty: audit: Fix audit source
serial: etraxfs-uart: Fix crash
serial: fsl_lpuart: Fix earlycon support
bcm63xx_uart: Use the device name when registering an interrupt
tty: Fix direct use of tty buffer work
...
Olof Johansson