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Merge tag 'io_uring-6.13-20241207' of git://git.kernel.dk/linux
Pull io_uring fix from Jens Axboe:
"A single fix for a parameter type which affects 32-bit"
* tag 'io_uring-6.13-20241207' of git://git.kernel.dk/linux:
io_uring: Change res2 parameter type in io_uring_cmd_done
The commit in Fixes adds a special case when only one possible scale is
available.
If several scales are available, it sets the .read_avail field of the
struct iio_info to ad9467_read_avail().
However, this field already holds this function pointer, so the code is a
no-op.
Use another struct iio_info instead to actually reflect the intent
described in the commit message. This way, the structure to use is selected
at runtime and they can be kept as const.
This is safer because modifying static structs that are shared between all
instances like this, based on the properties of a single instance, is
asking for trouble down the road.
Fixes: b92f94f748 ("iio: adc: ad9467: don't allow reading vref if not available")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/cc65da19e0578823d29e11996f86042e84d5715c.1733503146.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
'struct iio_info' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
17366 1454 16 18836 4994 drivers/iio/proximity/aw96103.o
After:
=====
text data bss dec hex filename
17526 1294 16 18836 4994 drivers/iio/proximity/aw96103.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/da4918af46fef03903ab0e9fdcb4f23e014f3821.1733522812.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
All devices supported by this driver (currently veml6030, veml6035
and veml7700) have two 16-bit channels, and can profit for the same
configuration to support data access via triggered buffers.
The measurements are stored in two 16-bit consecutive registers
(addresses 0x04 and 0x05) as little endian, unsigned data.
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241124-veml6030_triggered_buffer-v3-1-565bb6b4b5c8@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add check for the return value of clk_enable() in order to catch the
potential exception.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://patch.msgid.link/20241123220149.30655-1-jiashengjiangcool@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
i.MX6SX only has 4 ADC channels, so limit channel numbers to 4 for
compatible string 'fsl,imx6sx-adc'.
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241126195256.2441622-2-Frank.Li@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use devm_* and dev_err_probe() simplify probe function and remove
vf610_adc_remove().
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241126195256.2441622-1-Frank.Li@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ROHM KX134-1211 has very similar register interface as KX132-1211
does. The main differencies are the content of the "Who am I"
identification register and different g-ranges. The KX132-1211 can
measure ranges from +/- 2g to +/-16g where the KX134-1211 supports
measuring ranges +/- 8g to +/- 64g.
Support the ROHM KX134-1211.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/6e95af6b425df6a5ff5218825ec8923f1341f7c3.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ROHM KX134-1211 is very similar to KX132-1211. The main difference is
supported g-ranges. The KX132-1211 can measure ranges from +/- 2g to
+/-16g where the KX134-1211 supports measuring ranges +/- 8g to +/- 64g.
Support the ROHM KX134-1211.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/48b50cbda3d6c3a58a7b7c9ff23ed4dc7f418a5e.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The register interface of the ROHM KX134ACR-LBZ accelerometer is
almost identical to the KX132ACR-LBZ. The main difference between these
accelerometers is that the KX134ACR-LBZ supports different G-ranges. The
driver can model this by informing different scale to users. Also, the
content of the "who_am_I" register is different.
Add an ID and scales for the KX134ACR-LBZ.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/27c43c595de1f3f698ace671922d4f5a48c3cd54.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
>From the software point of view, the KX134ACR-LBZ is almost identical to
the KX132ACR-LBZ. They, however, have different g ranges and ID register
values which makes them incompatible.
Add compatible and information for ROHM KX134ACR-LBZ accelerometer.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/2efe2bf7078704be3f020663960fef563ab21aca.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The register interface of the ROHM KX134ACR-LBZ accelerometer is almost
identical to the KX132ACR-LBZ. Main difference between these
accelerometers is that the KX134ACR-LBZ supports G-ranges +/- 8, 16,
32 and 64G. All the other sensors supported by the kx022a driver can
measure +/- 2, 4, 8 and 16G.
Prepare supporting the KX134ACR-LBZ with different G-ranges by storing
a pointer to the scale tables in IC specific structure.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/fc667b1495adf4e3f29ecbb336495c1f18b47e61.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
A few functions in KX022A need to use mutex for protecting the
enabling/disabling of the measurement while configurations are being
made. Some of the functions can be slightly simplified by using the
__cleanup based scoped mutexes, which allows dropping the goto based
unlocking at error path.
Simplify error paths using guard(mutex).
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/4785f841ad5f131356ba78b4f3c76f676d86a2e8.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ROHM BU27008 and BU27010 RGB sensors got cancelled. I was informed
they never reached mass production stage.
Keeping the bindings around is waste of maintenance resources. Drop the
bindings.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/3be66a8ec15fedd18ef13afae48ebb182196da13.1732819203.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ROHM BU27008 and BU27010 RGB sensors got cancelled. I was informed
they never reached mass production stage.
Keeping the drivers around is waste of maintenance resources. Drop the
drivers.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/f4d0aa31f29f160a06cba4856a034fa5636d3372.1732819203.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for the Invensense IAM20380 sensor to the MPU6050 driver. It is
similar to the IAM20680. But IAM20380 only supports gyro and WHOAMI
register data is difference.
Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241115-iam20380-v2-2-d8d9dc6891f5@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add compatible string "invensense,iam20380" for the Invensense IAM20380
sensor. The IAM20380 is similar to the IAM20680, but only supports gyro.
Signed-off-by: Han Xu <han.xu@nxp.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241115-iam20380-v2-1-d8d9dc6891f5@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The iio_dmaengine_buffer_setup_ext() function is public and should be
documented. Also, while touching this, fix the description of @dev in
related functions. @dev does not strictly have to be the parent of the
IIO device. It is only passed to dma_request_chan() so strictly
speaking, it can be any device that is a valid DMA channel consumer.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241115-dlech-mainline-spi-engine-offload-2-v5-9-bea815bd5ea5@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
According to the datasheet, the chip requires a reset before any data
can be read. This commit moves the device identification logic to
occur after the reset to ensure proper initialization.
Cc: Kevin Tsai <ktsai@capellamicro.com>
Signed-off-by: Cibil Pankiras <cibil.pankiras@aerq.com>
Link: https://patch.msgid.link/20241114091323.7415-1-cibil.pankiras@aerq.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Move the dt-bindings header file to the include/dt-bindings/iio/adc/
directory. ad4695 is an ADC driver, so it should be in the adc/
subdirectory for better organization. Previously, it was in the iio/
subdirectory.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241113-iio-adc-ad4695-move-dt-bindings-header-v1-1-aba1f0f9b628@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The BM1390 uses mutex for protecting the fifo read sequence. The clean-up
for a few of the functions can be slightly simplified by removing the
goto-based error handling/unlocking and by utilizing the guard(mutex)
scoped mutex handling instead.
Simplify driver by using the scoped mutexes.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/a4c2f21189964132d245531b77fb0865562443a1.1732193263.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The BU27034 uses mutex for protecting the gain / time / scale changes.
The clean-up for a few of the functions can be slightly simplified by
removing the goto-based error handling/unlocking and by utilizing the
guard(mutex) scoped mutex handling instead.
Simplify driver by using the scoped mutexes.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/4e65a4725c211b166906f70fdb5ba90f2af0f570.1732193263.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch implements ACPI support to Microchip pac1921.
The driver can read the shunt resistor value and label from the ACPI table.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Matteo Martelli <matteomartelli3@gmail.com>
Signed-off-by: Victor Duicu <victor.duicu@microchip.com>
Link: https://patch.msgid.link/20241115133436.13204-1-victor.duicu@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove driver remove callback for the ltc2632 driver.
By making use of devm_iio_device_register(), we no longer need a driver
remove callback. Also since this was the last user of spi_get_drvdata(),
we can drop the call to spi_set_drvdata().
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-9-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Simplify the code by using devm_regulator_get_enable_read_voltage().
Some use of dev_err() is replaced with dev_err_probe() to simplify
things even more since we are refactoring these lines anyway.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-8-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove driver remove callback in the ad8801 driver.
By making use of devm_iio_device_register(), we no longer need a driver
remove callback. Also since this was the last user of spi_get_drvdata(),
we can drop the call to spi_set_drvdata().
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-7-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Simplify the code by using devm_regulator_get_enable_read_voltage().
There is a small change in behavior. Before, all errors from
devm_regulator_get_optional() were ignored and assumed to mean that
the external reference supply was absent. Now, only -ENODEV is checked
and other errors will cause a failure to probe. So now, this will
catch errors, like using the wrong data type for the devicetree
property.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-3-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Current implementation of at91_ts_register() calls input_free_deivce()
on st->ts_input, however, the err label can be reached before the
allocated iio_dev is stored to st->ts_input. Thus call
input_free_device() on input instead of st->ts_input.
Fixes: 84882b0603 ("iio: adc: at91_adc: Add support for touchscreens without TSMR")
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Link: https://patch.msgid.link/20241207043045.1255409-1-joe@pf.is.s.u-tokyo.ac.jp
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix a possible race condition during driver probe in the ad7173 driver
due to using a shared static info struct. If more that one instance of
the driver is probed at the same time, some of the info could be
overwritten by the other instance, leading to incorrect operation.
To fix this, make the static info struct const so that it is read-only
and make a copy of the info struct for each instance of the driver that
can be modified.
Reported-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Fixes: 76a1e6a428 ("iio: adc: ad7173: add AD7173 driver")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Tested-by: Guillaume Ranquet <granquet@baylibre.com>
Link: https://patch.msgid.link/20241127-iio-adc-ad7313-fix-non-const-info-struct-v2-1-b6d7022b7466@baylibre.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Using gpiod_set_value() to control the reset GPIO causes some verbose
warnings during boot when the reset GPIO is controlled by an I2C IO
expander.
As the caller can sleep, use the gpiod_set_value_cansleep() variant to
fix the issue.
Tested on a custom i.MX93 board with a ADS124S08 ADC.
Cc: stable@kernel.org
Fixes: e717f8c6df ("iio: adc: Add the TI ads124s08 ADC code")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://patch.msgid.link/20241122164308.390340-1-festevam@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'scan' local struct is used to push data to user space from a
triggered buffer, but it has a hole between the sample (unsigned int)
and the timestamp. This hole is never initialized.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: a9306887eb ("iio: adc: ti-ads1119: Add driver")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-2-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'sample' local struct is used to push data to user space from a
triggered buffer, but it has a hole between the temperature and the
timestamp (u32 pressure, u16 temperature, GAP, u64 timestamp).
This hole is never initialized.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: 03b262f2bb ("iio:pressure: initial zpa2326 barometer support")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-3-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'data' local struct is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: 4e130dc7b4 ("iio: adc: rockchip_saradc: Add support iio buffers")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-4-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'buffer' local array is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the array to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: c3a23ecc09 ("iio: imu: kmx61: Add support for data ready triggers")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-5-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'buffer' local array is used to push data to userspace from a
triggered buffer, but it does not set an initial value for the single
data element, which is an u16 aligned to 8 bytes. That leaves at least
4 bytes uninitialized even after writing an integer value with
regmap_read().
Initialize the array to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: ec90b52c07 ("iio: light: vcnl4035: Fix buffer alignment in iio_push_to_buffers_with_timestamp()")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-6-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'scan' local struct is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: eab35358aa ("iio: light: ROHM BH1745 colour sensor")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-7-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'buffer' local array is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the array to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: 61fa5dfa5f ("iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-8-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The 'data' array is allocated via kmalloc() and it is used to push data
to user space from a triggered buffer, but it does not set values for
inactive channels, as it only uses iio_for_each_active_channel()
to assign new values.
Use kzalloc for the memory allocation to avoid pushing uninitialized
information to userspace.
Cc: stable@vger.kernel.org
Fixes: 415f792447 ("iio: Move IIO Dummy Driver out of staging")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-9-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The test config contained a copy-paste error. The IIO GTS helper test
was errorneously titled as "Test IIO formatting functions" in the
menuconfig.
Change the title of the tests to reflect what is tested.
Fixes: cf996f0396 ("iio: test: test gain-time-scale helpers")
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/Z0gt5R86WdeK73u2@mva-rohm
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
