Commit graph

877 commits

Author SHA1 Message Date
Uwe Kleine-König
226d6dbac8 iio: accel: mma8452: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-57-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:39 +00:00
Uwe Kleine-König
17b9a72f4a iio: accel: mma7455_i2c: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-56-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:38 +00:00
Uwe Kleine-König
09cec08352 iio: accel: kxcjk-1013: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-55-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:38 +00:00
Uwe Kleine-König
a8fab44897 iio: accel: da280: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-54-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:38 +00:00
Uwe Kleine-König
a141d225f6 iio: accel: bmc150: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-53-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:38 +00:00
Uwe Kleine-König
e599500f96 iio: accel: bma400: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-52-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:38 +00:00
Uwe Kleine-König
c476246bd5 iio: accel: bma180: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-51-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:38 +00:00
Uwe Kleine-König
2c5c45e236 iio: accel: adxl372_i2c: Convert to i2c's .probe_new()
.probe_new() doesn't get the i2c_device_id * parameter, so determine
that explicitly in the probe function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221118224540.619276-50-uwe@kleine-koenig.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 20:01:38 +00:00
Ramona Bolboaca
d3532d6975 drivers: iio: accel: Add support for ADXL359 device
Add support for ADXL359 device in already existing ADXL355 driver.

Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/adxl359.pdf
Signed-off-by: Ramona Bolboaca <ramona.bolboaca@analog.com>
Link: https://lore.kernel.org/r/20221031105129.47740-4-ramona.bolboaca@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:04 +00:00
Ramona Bolboaca
75347e30f1 drivers: iio: accel: Use warning if invalid device id is detected
Use warning instead of failing driver probe if invalid device id is
detected for ADXL355 device.

Signed-off-by: Ramona Bolboaca <ramona.bolboaca@analog.com>
Link: https://lore.kernel.org/r/20221031105129.47740-2-ramona.bolboaca@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:04 +00:00
Matti Vaittinen
0a33755c4b iio: Don't silently expect attribute types
The iio_triggered_buffer_setup_ext() and the
devm_iio_kfifo_buffer_setup_ext() were changed by
commit 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
to silently expect that all attributes given in buffer_attrs array are
device-attributes. This expectation was not forced by the API - and some
drivers did register attributes created by IIO_CONST_ATTR().

When using IIO_CONST_ATTRs the added attribute "wrapping" does not copy
the pointer to stored string constant and when the sysfs file is read the
kernel will access to invalid location.

Change the function signatures to expect an array of iio_dev_attrs to
avoid similar errors in the future.

Merge conflict resolved whilst applying due to patch crossing with
two new drivers (kx022a accelerometer and ad4130 ADC).

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Tested-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/63f54787a684eb1232f1c5d275a09c786987fe4a.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:04 +00:00
Matti Vaittinen
c02b2a5166 iio: bmc150-accel-core: Use IIO_STATIC_CONST_DEVICE_ATTR()
Slightly simplify by dropping open-coded constant data iio_dev_attr
functions and using the IIO_STATIC_CONST_DEVICE_ATTR() instead.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/b1b0d662705b43d68594639fb7719bc431101f79.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:03 +00:00
Matti Vaittinen
f7e6804509 iio: adxl372: Use IIO_STATIC_CONST_DEVICE_ATTR()
Slightly simplify by dropping open-coded constant data iio_dev_attr
functions and using the IIO_STATIC_CONST_DEVICE_ATTR() instead.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/3632af8849ef101c54ec1f739596f22c773b067c.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:03 +00:00
Matti Vaittinen
f0ab171b80 iio: adxl367: Use IIO_STATIC_CONST_DEVICE_ATTR()
Slightly simplify by dropping open-coded constant data iio_dev_attr
functions and using the IIO_STATIC_CONST_DEVICE_ATTR() instead.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/c96c55363b8f36017ef7f18fdfe810cd3990e2a4.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:03 +00:00
Matti Vaittinen
7c1d1677b3 iio: accel: Support Kionix/ROHM KX022A accelerometer
KX022A is a 3-axis accelerometer from ROHM/Kionix. The sensor features
include variable ODRs, I2C and SPI control, FIFO/LIFO with watermark IRQ,
tap/motion detection, wake-up & back-to-sleep events, four acceleration
ranges (2, 4, 8 and 16g), and probably some other cool features.

Add support for the basic accelerometer features such as getting the
acceleration data via IIO. (raw reads, triggered buffer [data-ready] or
using the WMI IRQ).

Important things to be added include the double-tap, motion
detection and wake-up as well as the runtime power management.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/758b00d6aea0a6431a5a3a78d557d449c113b21e.1666614295.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:03 +00:00
Uwe Kleine-König
d18e70608e iio: accel: stk8ba50: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-22-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:03 +00:00
Uwe Kleine-König
3d8a49ebd6 iio: accel: stk8312: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-21-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
76e4a118c8 iio: accel: mxc6255: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-20-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
a97d9d95a1 iio: accel: mxc4005: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-19-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
76403ea698 iio: accel: mma7660: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-15-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
ded7a4f8f9 iio: accel: mc3230: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-13-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
2ba423fefb iio: accel: kxsd9: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-12-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
5019025fc3 iio: accel: dmard10: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-10-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
d61f79d383 iio: accel: dmard09: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-9-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
72907238b1 iio: accel: dmard06: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-8-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
a9e38f1ecc iio: accel: da311: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-7-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Uwe Kleine-König
ecff5cb471 iio: accel: adxl367: Convert to i2c's .probe_new()
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221023132302.911644-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:02 +00:00
Jonathan Cameron
eefa008b16 iio: accel: msa311: Use devm_regulator_get_enable()
This driver only turns the power on at probe and off via a custom
devm_add_action_or_reset() callback. The new devm_regulator_get_enable()
replaces this boilerplate code.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Dmitry Rokosov <DDRokosov@sberdevices.ru>
Reviewed-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20221016163409.320197-6-jic23@kernel.org
2022-11-23 19:44:01 +00:00
Jonathan Cameron
1fa4ff1f24 iio: accel: kxcjk-1013: Use devm_regulator_bulk_get_enable()
This driver only turns the power on at probe and off via a custom
devm_add_action_or_reset() callback. The new
devm_regulator_bulk_get_enable() replaces this boilerplate code.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20221016163409.320197-5-jic23@kernel.org
2022-11-23 19:44:01 +00:00
Jonathan Cameron
5b30e739ce iio: accel: fxls8962af: Use devm_regulator_get_enable()
This driver only turns the power on at probe and off via a custom
devm_add_action_or_reset() callback. The new devm_regulator_get_enable()
replaces this boilerplate code.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20221016163409.320197-4-jic23@kernel.org
2022-11-23 19:44:01 +00:00
Jonathan Cameron
e9b96e18cf iio: accel: adxl367: Use devm_regulator_bulk_get_enable()
This driver only turns the power on at probe and off via a custom
devm_add_action_or_reset() callback. The new
devm_regulator_bulk_get_enable() replaces this boilerplate code.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Cosmin Tanislav <cosmin.tanislav@analog.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20221016163409.320197-2-jic23@kernel.org
2022-11-23 19:44:01 +00:00
Jonathan Cameron
687c8848c6 iio: accel: fxls8962af: Use new EXPORT_NS_GPL_DEV_PM_OPS()
Using this macro allows the compiler to remove unused
structures and callbacks if we are not building with
CONFIG_PM* without needing __maybe_unused markings.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Sean Nyekjaer <sean@geanix.com>

--
Switched to Paul Cercueil's more flexible implementation fo the macro.
Dropped Sean's Ack given new form of macro being used.

Acked-by: Sean Nyekjaer <sean@geanix.com>
Link: https://lore.kernel.org/r/20220925155719.3316280-3-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:44:00 +00:00
Wei Yongjun
35dab731c4 iio: accel: sca3300: Silence no spi_device_id warning
SPI devices use the spi_device_id for module autoloading even on
systems using device tree, after commit 5fa6863ba6 ("spi: Check
we have a spi_device_id for each DT compatible"), kernel warns as
follows since the spi_device_id is missing:

SPI driver sca3300 has no spi_device_id for murata,scl3300

Add spi_device_id entries to silence the warning, and ensure driver
module autoloading works.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Tomas Melin <tomas.melin@vaisala.com>
Link: https://lore.kernel.org/r/20220921163620.805879-3-weiyongjun@huaweicloud.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:43:57 +00:00
Yuan Can
2a22b40aea iio: accel: bma400: Switch to use dev_err_probe() helper
In the probe path, dev_err() can be replace with dev_err_probe()
which will check if error code is -EPROBE_DEFER and prints the
error name.

Signed-off-by: Yuan Can <yuancan@huawei.com>
Link: https://lore.kernel.org/r/20220921023915.47300-1-yuancan@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23 19:43:56 +00:00
Matti Vaittinen
a10a0f385a iio: bmc150-accel-core: Fix unsafe buffer attributes
The iio_triggered_buffer_setup_ext() was changed by
commit 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
to silently expect that all attributes given in buffer_attrs array are
device-attributes. This expectation was not forced by the API - and some
drivers did register attributes created by IIO_CONST_ATTR().

The added attribute "wrapping" does not copy the pointer to stored
string constant and when the sysfs file is read the kernel will access
to invalid location.

Change the IIO_CONST_ATTRs from the driver to IIO_DEVICE_ATTR in order
to prevent the invalid memory access.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
Link: https://lore.kernel.org/r/cf8a56658fc38db8bed64f456d898f5ad5a2814f.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-10-17 08:51:26 +01:00
Matti Vaittinen
5e23b33d1e iio: adxl367: Fix unsafe buffer attributes
The devm_iio_kfifo_buffer_setup_ext() was changed by
commit 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
to silently expect that all attributes given in buffer_attrs array are
device-attributes. This expectation was not forced by the API - and some
drivers did register attributes created by IIO_CONST_ATTR().

The added attribute "wrapping" does not copy the pointer to stored
string constant and when the sysfs file is read the kernel will access
to invalid location.

Change the IIO_CONST_ATTRs from the driver to IIO_DEVICE_ATTR in order
to prevent the invalid memory access.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/2e2d9ec34fb1df8ab8e2749199822db8cc91d302.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-10-17 08:51:26 +01:00
Matti Vaittinen
ab0ee36e90 iio: adxl372: Fix unsafe buffer attributes
The iio_triggered_buffer_setup_ext() was changed by
commit 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
to silently expect that all attributes given in buffer_attrs array are
device-attributes. This expectation was not forced by the API - and some
drivers did register attributes created by IIO_CONST_ATTR().

The added attribute "wrapping" does not copy the pointer to stored
string constant and when the sysfs file is read the kernel will access
to invalid location.

Change the IIO_CONST_ATTRs from the driver to IIO_DEVICE_ATTR in order
to prevent the invalid memory access.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: 15097c7a1a ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/19158499623cdf7f9c5efae1f13c9f1a918ff75f.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-10-17 08:51:26 +01:00
Linus Torvalds
a09476668e Char/Misc and other driver changes for 6.1-rc1
Here is the large set of char/misc and other small driver subsystem
 changes for 6.1-rc1.  Loads of different things in here:
   - IIO driver updates, additions, and changes.  Probably the largest
     part of the diffstat
   - habanalabs driver update with support for new hardware and features,
     the second largest part of the diff.
   - fpga subsystem driver updates and additions
   - mhi subsystem updates
   - Coresight driver updates
   - gnss subsystem updates
   - extcon driver updates
   - icc subsystem updates
   - fsi subsystem updates
   - nvmem subsystem and driver updates
   - misc driver updates
   - speakup driver additions for new features
   - lots of tiny driver updates and cleanups
 
 All of these have been in the linux-next tree for a while with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the large set of char/misc and other small driver subsystem
  changes for 6.1-rc1. Loads of different things in here:

   - IIO driver updates, additions, and changes. Probably the largest
     part of the diffstat

   - habanalabs driver update with support for new hardware and
     features, the second largest part of the diff.

   - fpga subsystem driver updates and additions

   - mhi subsystem updates

   - Coresight driver updates

   - gnss subsystem updates

   - extcon driver updates

   - icc subsystem updates

   - fsi subsystem updates

   - nvmem subsystem and driver updates

   - misc driver updates

   - speakup driver additions for new features

   - lots of tiny driver updates and cleanups

  All of these have been in the linux-next tree for a while with no
  reported issues"

* tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits)
  w1: Split memcpy() of struct cn_msg flexible array
  spmi: pmic-arb: increase SPMI transaction timeout delay
  spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes
  spmi: pmic-arb: correct duplicate APID to PPID mapping logic
  spmi: pmic-arb: add support to dispatch interrupt based on IRQ status
  spmi: pmic-arb: check apid against limits before calling irq handler
  spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq
  spmi: pmic-arb: handle spurious interrupt
  spmi: pmic-arb: add a print in cleanup_irq
  drivers: spmi: Directly use ida_alloc()/free()
  MAINTAINERS: add TI ECAP driver info
  counter: ti-ecap-capture: capture driver support for ECAP
  Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items
  dt-bindings: counter: add ti,am62-ecap-capture.yaml
  counter: Introduce the COUNTER_COMP_ARRAY component type
  counter: Consolidate Counter extension sysfs attribute creation
  counter: Introduce the Count capture component
  counter: 104-quad-8: Add Signal polarity component
  counter: Introduce the Signal polarity component
  counter: interrupt-cnt: Implement watch_validate callback
  ...
2022-10-08 08:56:37 -07:00
Jonathan Cameron
6ee2a7058f iio: accel: bma400: Fix smatch warning based on use of unintialized value.
Only specific bits in this value are ever used and those are initialized,
but that is complex to reason about in a checker. Hence, initialize
the value to zero and avoid the complexity.

Smatch warning:
drivers/iio/accel/bma400_core.c:1287 bma400_tap_event_en()
error: uninitialized symbol 'field_value'.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Jagath Jog J <jagathjog1996@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Jagath Jog J <jagathjog1996@gmail.com>
Fixes: 961db2da15 ("iio: accel: bma400: Add support for single and double tap events")
Link: https://lore.kernel.org/r/20220917131401.2815486-1-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-09-21 18:42:57 +01:00
Jonathan Cameron
66991b106a iio: accel: bmi088: Use EXPORT_NS_GPL_RUNTIME_DEV_PM_OPS() and pm_ptr()
These macros allow the compiler to remove unused pm ops functions without
needing to mark them maybe unused.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Cc: Mike Looijmans <mike.looijmans@topic.nl>
Link: https://lore.kernel.org/r/20220807185618.1038812-6-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-09-21 18:42:57 +01:00
George Mois
a7a1c60bc4 drivers: iio: accel: adxl312 and adxl314 support
ADXL312 and ADXL314 are small, thin, low power, 3-axis accelerometers
with high resolution (13-bit) measurement up to +/-12 g and +/- 200 g
respectively.

Implement support for ADXL312 and ADXL314 by extending the ADXL313
driver.

Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL312.pdf
Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL314.pdf
Signed-off-by: George Mois <george.mois@analog.com>
Link: https://lore.kernel.org/r/20220905132018.364900-2-george.mois@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-09-21 18:42:53 +01:00
Jagath Jog J
961db2da15 iio: accel: bma400: Add support for single and double tap events
Add support for single and double tap events based on the tap threshold
value, minimum quiet time before and after the tap and minimum time
between the taps in the double tap. The INT1 pin is used to interrupt
and the event is pushed to userspace.

Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com>
Link: https://lore.kernel.org/r/20220831063117.4141-3-jagathjog1996@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-09-05 18:08:42 +01:00
wangjianli
1cf507cfdd iio/accel: fix repeated words in comments
Delete the redundant word 'in'.

Signed-off-by: wangjianli <wangjianli@cdjrlc.com>
Link: https://lore.kernel.org/r/20220823140023.2567-1-wangjianli@cdjrlc.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-08-30 18:35:38 +01:00
Dmitry Rokosov
1ca2cfbc0c iio: add MEMSensing MSA311 3-axis accelerometer driver
MSA311 is a tri-axial, low-g accelerometer with I2C digital output for
sensitivity consumer applications. It has dynamic user-selectable full
scales range of +-2g/+-4g/+-8g/+-16g and allows acceleration measurements
with output data rates from 1Hz to 1000Hz.

This driver supports following MSA311 features:
    - IIO interface
    - Different power modes: NORMAL and SUSPEND (using pm_runtime)
    - ODR (Output Data Rate) selection
    - Scale and samp_freq selection
    - IIO triggered buffer, IIO reg access
    - NEW_DATA interrupt + trigger

Below features to be done:
    - Motion Events: ACTIVE, TAP, ORIENT, FREEFALL
    - Low Power mode

Datasheet: https://cdn-shop.adafruit.com/product-files/5309/MSA311-V1.1-ENG.pdf
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220822175011.2886-4-ddrokosov@sberdevices.ru
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-08-30 18:35:38 +01:00
Dmitry Rokosov
fe49ce7abd iio: accel: adxl345: use HZ macro from units.h
Remove duplicated definition of NHZ_PER_HZ, because it's available in
the units.h as NANOHZ_PER_HZ.

Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220812165243.22177-4-ddrokosov@sberdevices.ru
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-08-28 16:57:37 +01:00
Uwe Kleine-König
ed5c2f5fd1 i2c: Make remove callback return void
The value returned by an i2c driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)

So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.

Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Crt Mori <cmo@melexis.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Marek Behún <kabel@kernel.org> # for leds-turris-omnia
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Machata <petrm@nvidia.com> # for mlxsw
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> # for surface3_power
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> # for bmc150-accel-i2c + kxcjk-1013
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for media/* + staging/media/*
Acked-by: Miguel Ojeda <ojeda@kernel.org> # for auxdisplay/ht16k33 + auxdisplay/lcd2s
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for versaclock5
Reviewed-by: Ajay Gupta <ajayg@nvidia.com> # for ucsi_ccg
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio
Acked-by: Peter Rosin <peda@axentia.se> # for i2c-mux-*, max9860
Acked-by: Adrien Grassein <adrien.grassein@gmail.com> # for lontium-lt8912b
Reviewed-by: Jean Delvare <jdelvare@suse.de> # for hwmon, i2c-core and i2c/muxes
Acked-by: Corey Minyard <cminyard@mvista.com> # for IPMI
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com> # for drivers/power
Acked-by: Krzysztof Hałasa <khalasa@piap.pl>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-08-16 12:46:26 +02:00
LI Qingwu
3cfb0e1d39 iio: accel: sca3300: Extend the trigger buffer from 16 to 32 bytes
After added inclination angle channels, the trigger buffer size is
insufficient. Extend the buffer size from 16 to 32 bytes, and change
the trigger buffer from the struct to a u8 array to adapt the sensor
with/without inclination angles output.
New trigger buffer data:
  - SCA3300: 3 accel channels, temp, and timestamp.
  - SCL3300: 3 accel channels, temp, 3 incli channels, and timestamp.
Readjustment the scan index to make it consistent with the buffer data.

Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Link: https://lore.kernel.org/r/20220701023030.2527019-2-Qing-wu.Li@leica-geosystems.com.cn
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-07-19 09:38:53 +01:00
Jonathan Cameron
93a73f6a26 iio: accel: bma220: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()
Using these newer macros allows the compiler to remove the unused
structure and functions when !CONFIG_PM_SLEEP + removes the need to
mark pm functions __maybe_unused.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-2-jic23@kernel.org
2022-07-18 18:48:17 +01:00
Gwendal Grignou
0b4ae3f6d1 iio: cros: Register FIFO callback after sensor is registered
Instead of registering callback to process sensor events right at
initialization time, wait for the sensor to be register in the iio
subsystem.

Events can come at probe time (in case the kernel rebooted abruptly
without switching the sensor off for  instance), and be sent to IIO core
before the sensor is fully registered.

Fixes: aa984f1ba4 ("iio: cros_ec: Register to cros_ec_sensorhub when EC supports FIFO")
Reported-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20220711144716.642617-1-gwendal@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-07-18 18:29:13 +01:00
Greg Kroah-Hartman
2a3c8f8a44 IIO new device support, features and minor fixes for 5.20
Several on-running cleanup efforts dominate this time, plus the DMA
 safety alignment issue identified due to improved understanding of
 the restrictions as a result of Catalin Marinas' efforts in that area.
 
 One immutable branch in here due to MFD and SPMI elements needed for
 the qcom-rradc driver.
 
 Device support
 * bmi088
   - Add support for bmi085 (accelerometer part of IMU)
   - Add support for bmi090l (accelerometer part of IMU)
 * mcp4922
   - Add support for single channel device MCP4921
 * rzg2l-adc
   - Add compatible and minor tweaks to support RZ/G2UL ADC
 * sca3300
   - Add support for scl3300 including refactoring driver to support
     multiple device types and cleanup noticed whilst working on driver.
 * spmi-rradc
   - New driver for Qualcomm SPMI Round Robin ADC including necessary
     additional utility functions in SPMI core and related MFD driver.
 * ti-dac55781
   - Add compatible for DAC121C081 which is very similar to existing parts.
 
 Features
 * core
   - Warn on iio_trigger_get() on an unregistered IIO trigger.
 * bma400
   - Triggered buffer support
   - Activity and step counting
   - Misc driver improvements such as devm and header ordering
 * cm32181
   - Add PM support.
 * cros_ec
   - Sensor location support
 * sx9324
   - Add precharge resistor setting
   - Add internal compensation resistor setting
   - Add CS idle/sleep mode.
 * sx9360
   - Add precharge resistor setting
 * vl53l0x
   - Handle reset GPIO, regulator and relax handling of irq type.
 
 Cleanup and minor fixes:
 
 Treewide changes
 - Cleanup of error handling in remove functions in many drivers.
 - Update dt-binding maintainers for a number of ADI bindings.
 - Several sets of conversion of drivers from device tree specific to
   generic device properties. Includes fixing up various related
   header and Kconfig issues.
 - Drop include of of.h from iio.h and fix up drivers that need to include
   it directly.
 - More moves of clusters of drivers into appropriate IIO_XXX namespaces.
 - Tree wide fix of a long running bug around DMA safety requirements.
   IIO was using __cacheline_aligned to pad iio_priv() structures. This
   worked for a long time by coincidence, but correct alignment is
   ARCH_KMALLOC_MINALIGN.  As there is activity around this area, introduce
   an IIO local IIO_DMA_MINALIGN to allow for changing it in one place rather
   than every driver in future. Note, there have been no reports of this
   bug in the wild, and it may not happen on any platforms supported by
   upstream, so no rush to backport these fixes.
 
 Other cleanup
 * core
   - Switch to ida_alloc()/free()
   - Drop unused iio_get_time_res()
   - Octal permissions and DEVICE_ATTR_* macros.
   - Cleanup bared unsigned usage.
 * MAINTAINERS
   - Add include/dt-bindings/iio/ to the main IIO entry.
 * ad5380
   - Comment syntax fix.
 * ad74413r
   - Call to for_each_set_bit_from(), with from value as 0 replaced.
 * ad7768-1
   - Drop explicit setting of INDIO_BUFFER_TRIGGERED as now done by the core.
 * adxl345
   - Fix wrong address in dt-binding example.
 * adxl367
   - Drop extra update of FIFO watermark.
 * at91-sama5d2
   - Limit requested watermark to the hwfifo size.
 * bmg160, bme680
   - Typos
 * cio-dac
   - Switch to iomap rather than direct use of ioports
 * kxsd9
   - Replace CONFIG_PM guards with new PM macros that let the compiler
     cleanly remove the unused code and structures when !CONFIG_PM
 * lsm6dsx
   - Use new pm_sleep_ptr() and EXPORT_SIMPLE_DEV_PM_OPS(). Then move
     to Namespace.
 * meson_saradc - general cleanup.
   - Avoid attaching resources to iio_dev->dev
   - Use same struct device for all error messages
   - Convert to dev_err_probe() and use local struct device *dev to
     reduce code complexity.
   - Use devm_clk_get_optional() instead of hand rolling.
   - Use regmap_read_poll_timeout() instead of hand rolling.
 * mma7660
   - Drop ACPI_PTR() use that is unhelpful.
 * mpu3050
   - Stop exporting symbols not used outside of module
   - Switch to new DEFINE_RUNTIME_DEV_PM_OPS() macro and move to Namespace.
 * ping
   - Typo fix
 * qcom-spmi-rradc
   - Typo fix
 * sc27xx
   - Convert to generic struct u32_fract
 * srf08
   - Drop a redundant check on !val
 * st_lsm6dsx
   - Limit the requested watermark to the hwfifo size.
 * stm32-adc
   - Use generic_handle_domain_irq() instead of opencoding.
   - Fix handling of ADC disable.
 * stm32-dac
   - Use str_enabled_disable() instead of open coding.
 * stx104
   - Switch to iomap rather than direct use of ioports
 * tsc2046
   - Drop explicit setting of INDIO_BUFFER_TRIGGERED as now done by the core.
 * tsl2563
   - Replace flush_scheduled_work() with cancel_delayed_work_sync()
   - Replace cancel_delayed_work() with cancel_delayed_work_sync()
 * vl53l0x
   - Make the VDD regulator optional by allowing a dummy regulator.
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Merge tag 'iio-for-5.20a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next

Jonathan writes:

IIO new device support, features and minor fixes for 5.20

Several on-running cleanup efforts dominate this time, plus the DMA
safety alignment issue identified due to improved understanding of
the restrictions as a result of Catalin Marinas' efforts in that area.

One immutable branch in here due to MFD and SPMI elements needed for
the qcom-rradc driver.

Device support
* bmi088
  - Add support for bmi085 (accelerometer part of IMU)
  - Add support for bmi090l (accelerometer part of IMU)
* mcp4922
  - Add support for single channel device MCP4921
* rzg2l-adc
  - Add compatible and minor tweaks to support RZ/G2UL ADC
* sca3300
  - Add support for scl3300 including refactoring driver to support
    multiple device types and cleanup noticed whilst working on driver.
* spmi-rradc
  - New driver for Qualcomm SPMI Round Robin ADC including necessary
    additional utility functions in SPMI core and related MFD driver.
* ti-dac55781
  - Add compatible for DAC121C081 which is very similar to existing parts.

Features
* core
  - Warn on iio_trigger_get() on an unregistered IIO trigger.
* bma400
  - Triggered buffer support
  - Activity and step counting
  - Misc driver improvements such as devm and header ordering
* cm32181
  - Add PM support.
* cros_ec
  - Sensor location support
* sx9324
  - Add precharge resistor setting
  - Add internal compensation resistor setting
  - Add CS idle/sleep mode.
* sx9360
  - Add precharge resistor setting
* vl53l0x
  - Handle reset GPIO, regulator and relax handling of irq type.

Cleanup and minor fixes:

Treewide changes
- Cleanup of error handling in remove functions in many drivers.
- Update dt-binding maintainers for a number of ADI bindings.
- Several sets of conversion of drivers from device tree specific to
  generic device properties. Includes fixing up various related
  header and Kconfig issues.
- Drop include of of.h from iio.h and fix up drivers that need to include
  it directly.
- More moves of clusters of drivers into appropriate IIO_XXX namespaces.
- Tree wide fix of a long running bug around DMA safety requirements.
  IIO was using __cacheline_aligned to pad iio_priv() structures. This
  worked for a long time by coincidence, but correct alignment is
  ARCH_KMALLOC_MINALIGN.  As there is activity around this area, introduce
  an IIO local IIO_DMA_MINALIGN to allow for changing it in one place rather
  than every driver in future. Note, there have been no reports of this
  bug in the wild, and it may not happen on any platforms supported by
  upstream, so no rush to backport these fixes.

Other cleanup
* core
  - Switch to ida_alloc()/free()
  - Drop unused iio_get_time_res()
  - Octal permissions and DEVICE_ATTR_* macros.
  - Cleanup bared unsigned usage.
* MAINTAINERS
  - Add include/dt-bindings/iio/ to the main IIO entry.
* ad5380
  - Comment syntax fix.
* ad74413r
  - Call to for_each_set_bit_from(), with from value as 0 replaced.
* ad7768-1
  - Drop explicit setting of INDIO_BUFFER_TRIGGERED as now done by the core.
* adxl345
  - Fix wrong address in dt-binding example.
* adxl367
  - Drop extra update of FIFO watermark.
* at91-sama5d2
  - Limit requested watermark to the hwfifo size.
* bmg160, bme680
  - Typos
* cio-dac
  - Switch to iomap rather than direct use of ioports
* kxsd9
  - Replace CONFIG_PM guards with new PM macros that let the compiler
    cleanly remove the unused code and structures when !CONFIG_PM
* lsm6dsx
  - Use new pm_sleep_ptr() and EXPORT_SIMPLE_DEV_PM_OPS(). Then move
    to Namespace.
* meson_saradc - general cleanup.
  - Avoid attaching resources to iio_dev->dev
  - Use same struct device for all error messages
  - Convert to dev_err_probe() and use local struct device *dev to
    reduce code complexity.
  - Use devm_clk_get_optional() instead of hand rolling.
  - Use regmap_read_poll_timeout() instead of hand rolling.
* mma7660
  - Drop ACPI_PTR() use that is unhelpful.
* mpu3050
  - Stop exporting symbols not used outside of module
  - Switch to new DEFINE_RUNTIME_DEV_PM_OPS() macro and move to Namespace.
* ping
  - Typo fix
* qcom-spmi-rradc
  - Typo fix
* sc27xx
  - Convert to generic struct u32_fract
* srf08
  - Drop a redundant check on !val
* st_lsm6dsx
  - Limit the requested watermark to the hwfifo size.
* stm32-adc
  - Use generic_handle_domain_irq() instead of opencoding.
  - Fix handling of ADC disable.
* stm32-dac
  - Use str_enabled_disable() instead of open coding.
* stx104
  - Switch to iomap rather than direct use of ioports
* tsc2046
  - Drop explicit setting of INDIO_BUFFER_TRIGGERED as now done by the core.
* tsl2563
  - Replace flush_scheduled_work() with cancel_delayed_work_sync()
  - Replace cancel_delayed_work() with cancel_delayed_work_sync()
* vl53l0x
  - Make the VDD regulator optional by allowing a dummy regulator.

* tag 'iio-for-5.20a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (244 commits)
  iio: adc: xilinx-xadc: Drop duplicate NULL check in xadc_parse_dt()
  iio: adc: xilinx-xadc: Make use of device properties
  iio: light: cm32181: Add PM support
  iio: adc: ad778-1: do not explicity set INDIO_BUFFER_TRIGGERED mode
  iio: adc: ti-tsc2046: do not explicity set INDIO_BUFFER_TRIGGERED mode
  iio: adc: stm32-adc: disable adc before calibration
  iio: adc: stm32-adc: make safe adc disable
  iio: dac: ad5380: align '*' each line and drop unneeded blank line
  iio: adc: qcom-spmi-rradc: Fix spelling mistake "coherrency" -> "coherency"
  iio: Don't use bare "unsigned"
  dt-bindings: iio: dac: mcp4922: expand for mcp4921 support
  iio: dac: mcp4922: add support to mcp4921
  iio: chemical: sps30: Move symbol exports into IIO_SPS30 namespace
  iio: pressure: bmp280: Move symbol exports to IIO_BMP280 namespace
  iio: imu: bmi160: Move exported symbols to IIO_BMI160 namespace
  iio: adc: stm32-adc: Use generic_handle_domain_irq()
  proximity: vl53l0x: Make VDD regulator actually optional
  MAINTAINERS: add include/dt-bindings/iio to IIO SUBSYSTEM AND DRIVERS
  dt-bindings: iio/accel: Fix adi,adxl345/6 example I2C address
  iio: gyro: bmg160: Fix typo in comment
  ...
2022-07-14 15:04:49 +02:00