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We don't require drivers to guess a DMA mask that might actually
match the system capabilities any more, so fix up the documentation
to clear this up.
Signed-off-by: Christoph Hellwig <hch@lst.de>
All users of dma_declare_coherent want their allocations to be
exclusive, so default to exclusive allocations.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Forgot to update the document.
Fixes: e854747d7593 ("ALSA: hda/realtek - Enable headset button support for new codec")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Some garbage was taken via copy-and-paste error. Clean up.
Fixes: a26d96c7802e ("ALSA: hda/realtek - Comprehensive model list for ALC259 & co")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
According to the manpage of poll(2) and also looking at the respective
syscall providing POLLERR in .events is a no-op. So don't recommend
using it.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commit 06300b21f4c7 ("kbuild: support building individual files for
external modules") introduced the '/' target. It works only for
external modules to build all .o files, but skip the modpost stage.
However, 'make /' looks a bit weird to me. 'make ./' is more sensible
if you want to build all objects under the current directory, and it
works as expected.
Let's change '/' into a phony target that is an alias of './', but
I may feel like deprecating it in the future.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Add devicetree binding for HI3670 UFS controller. HI3760 SoC is very
similar to HI3660 SoC with almost same IPs. Only major difference in terms
of UFS is the PHY. HI3670 has 10nm PHY. But since the original driver
(HI3660 UFS) cannot make HI3670 UFS functional, a separate compatible
is added for HI3670 without any fallback.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Wei Li <liwei213@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Update the Reset Controller's binding to add new SoC compatibility string.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add this missing compatibility string to the Reset Controller
compatible string chip list.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add documentation for the "voltage-max-design-microvolt" property.
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
DT documentation for SPI controller added.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Yash Shah <yash.shah@sifive.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add MICBIAS property to the optional devicetree bindings.
Signed-off-by: Bogdan Togorean <bogdan.togorean@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add this SFR compatible definition for the sam9x60 SoC. Will be needed
in OHCI driver: ohci-at91.c.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This change fixes a typo in the dt-binding examples (reset_gpio ->
reset-gpios).
Even though 'reset-gpio' is a valid construct for gpiolib the naming
'reset-gpios' is more suited for dt-bindings documentation.
Signed-off-by: Bogdan Togorean <bogdan.togorean@analog.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add support for active discharge for USB power switches.
Signed-off-by: pascal paillet <p.paillet@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Regulator high pull down are enabled by default so remove support in the
driver.
Signed-off-by: Pascal Paillet <p.paillet@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The interrupt parent description is not needed as the parent is a parent
node with 'interrupt-controller' property.
Signed-off-by: pascal paillet <p.paillet@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
The LM96000 expands the freqency field from 3 to 4 bits, to
add more frequencies in the 22.5 to 30 kHz ranges.
Signed-off-by: Jeremy Gebben <jgebben@sweptlaser.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
It has been supported as a generic lm85 for quite some time.
Signed-off-by: Jeremy Gebben <jgebben@sweptlaser.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The LM96000 is a temperature sensor and fan controller based
on the LM85.
Signed-off-by: Jeremy Gebben <jgebben@sweptlaser.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
By default, ina3221, as a hardware monitor, continuously measures
the inputs and generates corresponding data. However, for battery
powered devices, this mode might be power consuming.
This patch adds a "ti,single-shot" property to allow changing the
default continuous mode to single-shot operating mode.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Bindings for Delta Electronics DPS-650-AB power supply.
Signed-off-by: Xiaoting Liu <xiaoting.liu@hxt-semitech.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add rst document to describe the i.MX7 media driver and also a working
example from the Warp7 board usage with a OV2680 sensor.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Add bindings documentation for i.MX7 media drivers.
The imx7 MIPI CSI2 and imx7 CMOS Sensor Interface.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
media: add support for RCMM infrared remote controls.
Signed-off-by: Patrick Lerda <patrick9876@free.fr>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Allwinner A64 CSI is a single channel time-multiplexed BT.656
protocol interface.
Add separate compatible string for A64 since it require explicit
change in sun6i_csi driver to update default CSI_SCLK rate.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The extended-controls.rst file had become too big. Split it up: each
control class reference gets its own rst file, and this file just
describes the Extended Control API.
Each control class reference is also moved up one level into the
table of contents to make it easier to find e.g. the codec control
reference.
Finally I rearranged the order so that all camera-related control
classes are grouped together, ditto for codec/jpeg and fm-rx/tx.
The ext-ctrls-codec.rst is still pretty big and it is a candidate
to split up further in the future, possibly per codec.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
The formats added in this patch include:
V4L2_PIX_FMT_AYUV32
V4L2_PIX_FMT_XYUV32
V4L2_PIX_FMT_VUYA32
V4L2_PIX_FMT_VUYX32
These formats enable the trasmission of alpha channel data to other
drivers and userspace applications in addition to YUV data. For
example, buffers generated by drivers in one of these formats
can be used by the Weston compositor to display as a texture or
flipped directly onto the overlay planes with the help of a DRM
driver.
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Merge tag 'v5.0-rc7' into patchwork
Linux 5.0-rc7
* tag 'v5.0-rc7': (1667 commits)
Linux 5.0-rc7
Input: elan_i2c - add ACPI ID for touchpad in Lenovo V330-15ISK
Input: st-keyscan - fix potential zalloc NULL dereference
Input: apanel - switch to using brightness_set_blocking()
powerpc/64s: Fix possible corruption on big endian due to pgd/pud_present()
efi/arm: Revert "Defer persistent reservations until after paging_init()"
arm64, mm, efi: Account for GICv3 LPI tables in static memblock reserve table
sunrpc: fix 4 more call sites that were using stack memory with a scatterlist
include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
Compiler Attributes: add support for __copy (gcc >= 9)
lib/crc32.c: mark crc32_le_base/__crc32c_le_base aliases as __pure
auxdisplay: ht16k33: fix potential user-after-free on module unload
x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls
i2c: bcm2835: Clear current buffer pointers and counts after a transfer
i2c: cadence: Fix the hold bit setting
drm: Use array_size() when creating lease
dm thin: fix bug where bio that overwrites thin block ignores FUA
Revert "exec: load_script: don't blindly truncate shebang string"
Revert "gfs2: read journal in large chunks to locate the head"
net: ethernet: freescale: set FEC ethtool regs version
...
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This patch adds debugfs support to the driver. It allows the user-space to
display information that is contained in the internal structures of the
driver, such as:
- active command submissions
- active user virtual memory mappings
- number of allocated command buffers
It also enables the user to perform reads and writes through Goya's PCI
bars.
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch add the sysfs and hwmon entries that are exposed by the driver.
Goya has several sensors, from various categories such as temperature,
voltage, current, etc. The driver exposes those sensors in the standard
hwmon mechanism.
In addition, the driver exposes a couple of interfaces in sysfs, both for
configuration and for providing status of the device or driver.
The configuration attributes is for Power Management:
- Automatic or manual
- Frequency value when moving to high frequency mode
- Maximum power the device is allowed to consume
The rest of the attributes are read-only and provide the following
information:
- Versions of the various firmwares running on the device
- Contents of the device's EEPROM
- The device type (currently only Goya is supported)
- PCI address of the device (to allow user-space to connect between
/dev/hlX to PCI address)
- Status of the device (operational, malfunction, in_reset)
- How many processes are open on the device's file
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
LPASS_Audio_Wrapper_AON clock is on by default. Remove
it from lpass clock list to avoid voting for it.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Merge v5.0-rc7 into drm-next
Backmerging for nouveau and imx that needed some fixes for next pulls.
Signed-off-by: Dave Airlie <airlied@redhat.com>
MSG_ZEROCOPY implementation for UDP was merged in v5.0,
6e360f733113 ("Merge branch 'udp-msg_zerocopy'").
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implemented formatting of paragraphs to be not wider than 72 columns.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Elaborate on possible perf_event/Perf privileged users groups
and document steps about creating such groups.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Document and categorize system and performance data into groups that
can be captured by perf_events/Perf and explicitly indicate the group
that can contain process sensitive data.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Extend perf-security.rst file with perf_events/Perf resource control
section describing RLIMIT_NOFILE and perf_event_mlock_kb settings for
performance monitoring user processes.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
The common cases of attributes wrappers should probably be using the
__ATTR_XXX macros to make code more concise and readable but the current
sysfs.txt does not point developers to those convenience macros. Further
there is no note in sysfs.txt currently explaining why trying to set a
sysfs file to mode 0666 will fail respectively revert to 0664.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
