linux-stable/drivers/iio
Fabrice Gasnier f2da8c0dfe iio: adc: stm32-dfsdm: fix device used to request dma
[ Upstream commit b455d06e6f ]

DMA channel request should use device struct from platform device struct.
Currently it's using iio device struct. But at this stage when probing,
device struct isn't yet registered (e.g. device_register is done in
iio_device_register). Since commit 71723a96b8 ("dmaengine: Create
symlinks between DMA channels and slaves"), a warning message is printed
as the links in sysfs can't be created, due to device isn't yet registered:
- Cannot create DMA slave symlink
- Cannot create DMA dma:rx symlink

Fix this by using device struct from platform device to request dma chan.

Fixes: eca949800d ("IIO: ADC: add stm32 DFSDM support for PDM microphone")

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-05-27 17:46:51 +02:00
..
accel iio: sca3000: Remove an erroneous 'get_device()' 2020-05-27 17:46:45 +02:00
adc iio: adc: stm32-dfsdm: fix device used to request dma 2020-05-27 17:46:51 +02:00
afe treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
amplifiers Second set of IIO device support, features, cleanups and minor fixes for 5.3. 2019-07-01 10:58:13 +02:00
buffer treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
chemical iio: chemical: sps30: fix missing triggered buffer dependency 2020-03-25 08:25:53 +01:00
common iio: st_sensors: rely on odr mask to know if odr can be set 2020-04-29 16:33:12 +02:00
dac iio: dac: vf610: Fix an error handling path in 'vf610_dac_probe()' 2020-05-27 17:46:45 +02:00
dummy spi: docs: convert to ReST and add it to the kABI bookset 2019-07-31 14:13:13 -06:00
frequency iio: frequency: adf4371: Fix output frequency setting 2019-08-05 17:38:33 +01:00
gyro iio: st_gyro: Correct data for LSM9DS0 gyro 2020-02-01 09:34:36 +00:00
health treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
humidity iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting 2019-12-17 19:55:42 +01:00
imu iio: imu: st_lsm6dsx: Fix selection of ST_LSM6DS3_ID 2020-01-23 08:22:33 +01:00
light iio: si1133: read 24-bit signed integer for measurement 2020-04-23 10:36:43 +02:00
magnetometer iio: magnetometer: ak8974: Fix negative raw values in sysfs 2020-03-25 08:25:53 +01:00
multiplexer treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
orientation treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 309 2019-06-05 17:37:04 +02:00
potentiometer iio: potentiometer: add a driver for Maxim 5432-5435 2019-08-05 14:25:08 +01:00
potentiostat treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
pressure iio: cros_ec_baro: set info_mask_shared_by_all_available field 2019-12-31 16:45:15 +01:00
proximity iio: srf04: fix wrong limitation in distance measuring 2019-10-12 14:31:09 +01:00
resolver treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
temperature iio: max31856: add missing of_node and parent references to iio_dev 2019-12-31 16:42:46 +01:00
trigger iio: trigger: stm32-timer: disable master mode when stopping 2020-03-25 08:25:53 +01:00
iio_core.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
iio_core_trigger.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-buffer.c iio: buffer: align the size of scan bytes to size of the largest element 2020-01-23 08:22:33 +01:00
industrialio-configfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-core.c Staging / IIO driver update for 5.3-rc1 2019-07-11 15:36:02 -07:00
industrialio-event.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-sw-device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-sw-trigger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-trigger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-triggered-event.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
inkern.c Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
Kconfig Second set of IIO device support, features, cleanups and minor fixes for 5.3. 2019-07-01 10:58:13 +02:00
Makefile counter: stm32-lptimer: add counter device 2019-04-25 21:33:41 +02:00