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Currently, the script just assumes to be called at
Documentation/sphinx/. Change it to work on any directory,
and make it abort if something gets wrong.
Also, be sure that both parameters are specified.
That should avoid troubles like this:
$ Documentation/sphinx/tmplcvt Documentation/DocBook/writing_usb_driver.tmpl
sed: couldn't open file convert_template.sed: No such file or directory
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This patch improves the previously submitted hi6210-i2s DT
binding, adding extra details to how the multi-dai index
value maps to the potential interfaces.
(Currently just index 0 -> the S2 interface, as there is
only one supported, but in the future other interfaces may
be enabled.)
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
With 51 non-merge commits, this is one of the smallest USB Gadget pull
requests. Apart from your expected set of non-critical fixes, and
other miscellaneous items, we have most of the changes in dwc3 (52.5%)
with all other UDCs following with 34.8%.
As for the actual changes, the most important of them are all the
recent changes to reduce memory footprint of dwc3, bare minimum
dual-role support on dwc3 and reworked endpoint count and
initialization routines.
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Merge tag 'usb-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: changes for v4.12
With 51 non-merge commits, this is one of the smallest USB Gadget pull
requests. Apart from your expected set of non-critical fixes, and
other miscellaneous items, we have most of the changes in dwc3 (52.5%)
with all other UDCs following with 34.8%.
As for the actual changes, the most important of them are all the
recent changes to reduce memory footprint of dwc3, bare minimum
dual-role support on dwc3 and reworked endpoint count and
initialization routines.
Motorola CPCAP is a PMIC found in multiple smartphones.
This driver adds support for the power/on button and has
been tested in Droid 4.
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add bi-directional and output-enable pin configuration properties.
bi-directional allows to specify when a pin shall operate in input and
output mode at the same time. This is particularly useful in platforms
where input and output buffers have to be manually enabled.
output-enable is just syntactic sugar to specify that a pin shall
operate in output mode, ignoring the provided argument.
This pairs with input-enable pin configuration option.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This patch adds support for usb role swap via sysfs "role".
For example:
1) Connect a usb cable using 2 Salvator-X boards.
- For A-Device, the cable is connected to CN11 (USB3.0 ch0).
- For B-Device, the cable is connected to CN9 (USB2.0 ch0).
2) On A-Device, you input the following command:
# echo peripheral > /sys/devices/platform/soc/ee020000.usb/role
3) On B-Device, you input the following command:
# echo host > /sys/devices/platform/soc/ee080200.usb-phy/role
Then, the A-Device acts as a peripheral and the B-Device acts as
a host. Please note that A-Device must input the following command
if you want the board to act as a host again.
# echo host > /sys/devices/platform/soc/ee020000.usb/role
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
There's a conflict between ongoing level-5 paging support and
the E820 rewrite. Since the E820 rewrite is essentially ready,
merge it into x86/mm to reduce tree conflicts.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The E820 rework in WIP.x86/boot has gone through a couple of weeks
of exposure in -tip, merge it in a wider fashion.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Last drm-misc-next pull req for 4.12
Core changes:
- fb_helper checkpatch cleanup and simplified _add_one_connector() (Thierry)
- drm_ioctl and drm_sysfs improved/gained documentation (Daniel)
- [ABI] Repurpose reserved field in drm_event_vblank for crtc_id (Ander)
- Plumb acquire ctx through legacy paths to avoid lock_all and legacy_backoff
(Daniel)
- Add connector_atomic_check to check conn constraints on modeset (Maarten)
- Add drm_of_find_panel_or_bridge to remove boilerplate in drivers (Rob)
Driver changes:
- meson moved to drm-misc (Neil)
- Added support for Amlogic GX SoCs in dw-hdmi (Neil)
- Rockchip unbind actually cleans up the things bind initializes (Jeffy)
- A couple misc fixes in virtio, dw-hdmi
NOTE: this also includes a backmerge of drm-next as well rc5 (we needed vmwgfx
as well as the new synopsys media formats)
* tag 'drm-misc-next-2017-04-07' of git://anongit.freedesktop.org/git/drm-misc: (77 commits)
Revert "drm: Don't allow interruptions when opening debugfs/crc"
drm: Only take cursor locks when the cursor plane exists
drm/vmwgfx: Fix fbdev emulation using legacy functions
drm/rockchip: Shutdown all crtcs when unbinding drm
drm/rockchip: Reorder drm bind/unbind sequence
drm/rockchip: analogix_dp: Disable clock when unbinding
drm/rockchip: vop: Unprepare clocks when unbinding
drm/rockchip: vop: Enable pm domain before vop_initial
drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding
drm/rockchip: cdn-dp: Don't try to release firmware when not loaded
drm: bridge: analogix: Destroy connector & encoder when unbinding
drm: bridge: analogix: Disable clock when unbinding
drm: bridge: analogix: Unregister dp aux when unbinding
drm: bridge: analogix: Detach panel when unbinding analogix dp
drm: Don't allow interruptions when opening debugfs/crc
drm/virtio: don't leak bo on drm_gem_object_init failure
drm: bridge: dw-hdmi: fix input format/encoding from plat_data
drm: omap: use common OF graph helpers
drm: convert drivers to use drm_of_find_panel_or_bridge
drm: convert drivers to use of_graph_get_remote_node
...
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Backmerge tag 'v4.11-rc6' into drm-next
Linux 4.11-rc6
drm-misc needs 4.11-rc5, may as well fix conflicts with rc6.
The ASPEED AST2400/2500 PWM controller supports 8 PWM output ports.
The ASPEED AST2400/2500 Fan tach controller supports 16 tachometer
inputs.
The device driver matches on the device tree node. The configuration
values are read from the device tree and written to the respective
registers.
The driver provides a sysfs entries through which the user can
configure the duty-cycle value (ranging from 0 to 100 percent) and read
the fan tach rpm value.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan <jaghu@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This binding provides interface for adding values related to ASPEED
AST2400/2500 PWM and Fan tach controller support.
The PWM controller can support upto 8 PWM output ports.
The Fan tach controller can support upto 16 tachometer inputs.
Signed-off-by: Jaghathiswari Rankappagounder Natarajan <jaghu@google.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Introduce the "lrclk-strength" property to allow LRCLK pad drive strength
to be changed via device tree.
When running a stress playback loop test on a mx6dl wandboard channel
swap can be noticed on about 10% of the times.
While debugging this issue I noticed that when probing the SGTL5000
LRCLK pin with the scope the swap did not happen. After removing
the probe the swap started to happen again.
After changing the LRCLK pad drive strength to the maximum value the
issue is gone.
Same fix works on a mx6dl Colibri board as well.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Adds DT bindings documentation for the hi6210-i2s driver.
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Nordic Semiconductor is a semiconductor company specializing in ARM
Cortex-M based SoCs for low-power wireless communication, especially
Bluetooth.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
The resource control filesystem provides only a bitmask based cpus file for
assigning CPUs to a resource group. That's cumbersome with large cpumasks
and non-intuitive when modifying the file from the command line.
Range based cpu lists are commonly used along with bitmask based cpu files
in various subsystems throughout the kernel.
Add 'cpus_list' file which is CPU range based.
# cd /sys/fs/resctrl/
# echo 1-10 > krava/cpus_list
# cat krava/cpus_list
1-10
# cat krava/cpus
0007fe
# cat cpus
fffff9
# cat cpus_list
0,3-23
[ tglx: Massaged changelog and replaced "bitmask lists" by "CPU ranges" ]
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Shaohua Li <shli@fb.com>
Link: http://lkml.kernel.org/r/20170410145232.GF25354@krava
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The output voltage of a voltage controlled regulator can be controlled
through the voltage of another regulator. The current version of this
driver assumes that the output voltage is a linear function of the control
voltage.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Update the bindings documenting the new hdmi phandle.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
CC: linux-samsung-soc@vger.kernel.org
CC: devicetree@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Update the bindings documentation with the new hdmi phandle.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Another preliminary patch for the dual-codec support: since the
support of vmaster over multiple codecs is difficult, simply disable
it by a new flag to hda_codec struct. A new user hint is added as
well for consistency.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
*) Add new PHY driver for Qualcomm's QMP PHY (used by PCIe, UFS and USB)
*) Add new PHY driver for Qualcomm's QUSB2 PHY
*) Add support for vbus regulator in rockchip-usb driver
*) Add support for usb2-phy in rk3328 to rockchip-inno-usb2 driver
*) Add support for a new version of PHY in phy-mt65xx-usb3 driver
*) Add support for Allwinner A64 PHY to switch between MUSB and EHCI/OHCI
*) Cleanups in Exynos driver and phy-mt65xx-usb3 driver
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
phy: for 4.12
*) Add new PHY driver for Qualcomm's QMP PHY (used by PCIe, UFS and USB)
*) Add new PHY driver for Qualcomm's QUSB2 PHY
*) Add support for vbus regulator in rockchip-usb driver
*) Add support for usb2-phy in rk3328 to rockchip-inno-usb2 driver
*) Add support for a new version of PHY in phy-mt65xx-usb3 driver
*) Add support for Allwinner A64 PHY to switch between MUSB and EHCI/OHCI
*) Cleanups in Exynos driver and phy-mt65xx-usb3 driver
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Detailed description for this pull request:
1. Add new 'extcon-intel-cht-wc.c' driver
- Intel Cherrytrail Whiskey Cove PMIC extcon driver supports
the detection of the charger connectors and the control.
2. Add new extcon API to monitor the all external connectors.
- The extcon consumer might need to monitor the all supported external
connectors from the extcon device. Before, the extcon consumer
should have each notifier_block structure for each external connector.
In order to support the requirement, the extcon adds new
extcon_register_notifier_all() API. The extcon consumer is able
to monitor the state change of all supported external connectors
from the extcon device by using only one notifier_block.
- extcon_(register|unregister)_notifier_all(struct extcon_dev *edev
struct notifier_block *nb)
- devm_extcon_(register|unregister)_notifier_all(struct device *dev,
struct extcon_dev *edev
struct notifier_block *nb)
3. Remove porting compatibility of old switch class
- The extcon removes the porting compatibility of old switch class
because there are no any use-case and requirement of switch class.
4. Update the extcon drivers and Fix the minor issues
- Revert the ACPI gpio interface on the extcon-usb-gpioc.c.
- Fix the issues related to the suspend-to-ram for both extcon-usb-gpio.c
and extcon-palmas.c.
- Add warning message for extcon-arizona.c when headphone detection is not
finished.
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Merge tag 'extcon-next-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next
Update extcon for 4.12
Detailed description for this pull request:
1. Add new 'extcon-intel-cht-wc.c' driver
- Intel Cherrytrail Whiskey Cove PMIC extcon driver supports
the detection of the charger connectors and the control.
2. Add new extcon API to monitor the all external connectors.
- The extcon consumer might need to monitor the all supported external
connectors from the extcon device. Before, the extcon consumer
should have each notifier_block structure for each external connector.
In order to support the requirement, the extcon adds new
extcon_register_notifier_all() API. The extcon consumer is able
to monitor the state change of all supported external connectors
from the extcon device by using only one notifier_block.
- extcon_(register|unregister)_notifier_all(struct extcon_dev *edev
struct notifier_block *nb)
- devm_extcon_(register|unregister)_notifier_all(struct device *dev,
struct extcon_dev *edev
struct notifier_block *nb)
3. Remove porting compatibility of old switch class
- The extcon removes the porting compatibility of old switch class
because there are no any use-case and requirement of switch class.
4. Update the extcon drivers and Fix the minor issues
- Revert the ACPI gpio interface on the extcon-usb-gpioc.c.
- Fix the issues related to the suspend-to-ram for both extcon-usb-gpio.c
and extcon-palmas.c.
- Add warning message for extcon-arizona.c when headphone detection is not
finished.
The documentation for video capture and output devices claims that the video standard
ioctls are required. This is not the case, they are only required for PAL/NTSC/SECAM
type inputs and outputs. Sensors do not implement this at all and e.g. HDMI inputs
implement the DV Timings ioctls.
Just drop the mention of 'video standard' ioctls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
On rockchip devices vbus is supplied by a separate power supply, often
through a regulator. Add support for describing the the regulator in
device-tree following the same convention as several other usb phy's.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Qualcomm chipsets have QMP phy controller that provides
support to a number of controller, viz. PCIe, UFS, and USB.
Adding dt binding information for the same.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Qualcomm chipsets have QUSB2 phy controller that provides
HighSpeed functionality for DWC3 controller.
Adding dt binding information for the same.
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Adds the device tree bindings description for usb2-phy grf
of RK3328 platform.
Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
On some platform such as RK3328, the 480m clock may need to assign
clock parent in dts in stead of clock driver. So this patch add
property of assigned-clocks and assigned-clock-parents to assign
parent for 480m clock.
Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
add a new compatible string for "mt2712", and move reference clock
into each port node;
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Allwinner H3/V3s/A64 SoCs have a special USB PHY0 that can route to two
controllers: one is MUSB and the other is a EHCI/OHCI pair.
When it's routed to EHCI/OHCI pair, it will needs a "pmu0" regs to
tweak, like other EHCI/OHCI pairs in Allwinner SoCs.
Add this to the binding of USB PHYs on Allwinner H3/V3s/A64.
Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Update the bindings for this device based on a working DT example.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The original bindings documentation was incomplete (missing pinctrl-names,
missing endpoint node properties) and the example was out of date.
Add the missing information and tidy up the text.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add binding documentation and add that file to the MAINTAINERS entry.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Provide the frame structure and data layout of V4L2-PIX-FMT-INZI
format utilized by Intel SR300 Depth camera.
Signed-off-by: Evgeni Raikhel <evgeni.raikhel@intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The V4L2_INPUT_TYPE_CAMERA and V4L2_OUTPUT_TYPE_ANALOG descriptions were
hopelessly out of date. Fix this, and also fix a few style issues in these
documents. Finally add the missing documentation for V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY
(only used by the zoran driver).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add the line "Camera sensors are also considered to be a video input."
In practice all non-MC drivers for sensors support the input ioctls, and the
compliance test actually tests for the presence of these ioctls. So clarify
the documentation by explicitly mentioning sensors.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Here are 3 small fixes for 4.11-rc6. One resolves a reported issue with
sysfs files that NeilBrown found, one is a documenatation fix for the
stable kernel rules, and the last is a small MAINTAINERS file update for
kernfs.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are 3 small fixes for 4.11-rc6.
One resolves a reported issue with sysfs files that NeilBrown found,
one is a documenatation fix for the stable kernel rules, and the last
is a small MAINTAINERS file update for kernfs"
* tag 'driver-core-4.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
MAINTAINERS: separate out kernfs maintainership
sysfs: be careful of error returns from ops->show()
Documentation: stable-kernel-rules: fix stable-tag format
Pull VFS fixes from Al Viro:
"statx followup fixes and a fix for stack-smashing on alpha"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
alpha: fix stack smashing in old_adjtimex(2)
statx: Include a mask for stx_attributes in struct statx
statx: Reserve the top bit of the mask for future struct expansion
xfs: report crtime and attribute flags to statx
ext4: Add statx support
statx: optimize copy of struct statx to userspace
statx: remove incorrect part of vfs_statx() comment
statx: reject unknown flags when using NULL path
Documentation/filesystems: fix documentation for ->getattr()
An issue was detected with pin control hos on the Freescale i.MX after
the refactorings for more general group and function handling. We now
have the proper fix for this.
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Merge tag 'pinctrl-v4.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fix from Linus Walleij:
"This late fix for pin control is hopefully the last I send this cycle.
The problem was detected early in the v4.11 release cycle and there
has been some back and forth on how to solve it. Sadly the proper fix
arrives late, but at least not too late.
An issue was detected with pin control on the Freescale i.MX after the
refactorings for more general group and function handling.
We now have the proper fix for this"
* tag 'pinctrl-v4.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: core: Fix pinctrl_register_and_init() with pinctrl_enable()
Now that we use the proper REQ_OP_WRITE_ZEROES operation everywhere we can
kill this hack.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
A patch documenting how to specify which kernels a particular fix should
be backported to (seemingly) inadvertently added a minus sign after the
kernel version. This particular stable-tag format had never been used
prior to this patch, and was neither present when the patch in question
was first submitted (it was added in v2 without any comment).
Drop the minus sign to avoid any confusion.
Fixes: fdc81b7910ad ("stable_kernel_rules: Add clause about specification of kernel versions to patch.")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit adds Japanese translation of HOWTO document into rst based
documentation build system with updates.
Signed-off-by: Tsugikazu Shibata <tshibata@ab.jp.nec.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
In order to accommodate in a logical manner for the premuxed channels
in PM8921 and the similarly addressed channels in later PMICs, we
need a twocell arrangement with premux and analog mux setting as
a tuple to uniquely identify a hardware channel.
These bindings are not yet in use, so it should be fine to augment
them before we actually start using it in drivers and device trees.
This scheme came out of lengthy discussions and reverse-engineering
and reading of the few information sources we have.
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh+dt@kernel.org>
Suggested-by: Björn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
