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6b0cc5dce0
linux/drivers/iio
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Jonathan Cameron 6b0cc5dce0 iio:imu:inv_mpu6050 Fix dma and ts alignment and data leak issues. 
This case is a bit different to the rest of the series.  The driver
was doing a regmap_bulk_read into a buffer that wasn't dma safe
as it was on the stack with no guarantee of it being in a cacheline
on it's own.   Fixing that also dealt with the data leak and
alignment issues that Lars-Peter pointed out.

Also removed some unaligned handling as we are now aligned.

Fixes tag is for the dma safe buffer issue. Potentially we would
need to backport timestamp alignment futher but that is a totally
different patch.

Fixes: fd64df16f4 ("iio: imu: inv_mpu6050: Add SPI support for MPU6000")
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200722155103.979802-18-jic23@kernel.org
2020-09-21 20:01:51 +01:00
..
accel iio:accel:bma180: Fix use of true when should be iio_shared_by enum 2020-09-21 19:59:57 +01:00
adc iio:adc:ti-adc12138 Fix alignment issue with timestamp 2020-09-21 20:01:51 +01:00
afe iio: afe: iio-rescale: Simplify with dev_err_probe() 2020-09-03 19:40:50 +01:00
amplifiers iio: amplifiers: hmc425a: Simplify with dev_err_probe() 2020-09-03 19:40:50 +01:00
buffer iio: buffer-dmaengine: adjust bytes_used with residue info 2020-09-03 19:40:58 +01:00
chemical iio: chemical: sgp30: Add description for sgp_read_cmd()'s 'duration_us' 2020-09-21 18:41:37 +01:00
common iio: common: ms_sensors: ms_sensors_i2c: Fix misspelling of parameter 'client' 2020-07-20 09:02:48 +01:00
dac iio: dac: ad5592r: localize locks only where needed in ad5592r_read_raw() 2020-09-21 18:54:18 +01:00
dummy iio: dummy: iio_dummy_evgen: Demote file header and supply description for 'irq_sim_domain' 2020-09-21 18:41:36 +01:00
frequency iio: frequency: adf4350: Replace indio_dev->mlock with own device lock 2020-09-16 18:58:01 +01:00
gyro iio:gyro:itg3200: Fix timestamp alignment and prevent data leak. 2020-09-21 20:01:50 +01:00
health iio:health:max30102: Drop of_match_ptr and use generic fw accessors 2020-09-21 18:41:35 +01:00
humidity iio:humidity:si7020: Drop of_match_ptr protection 2020-09-21 18:41:34 +01:00
imu iio:imu:inv_mpu6050 Fix dma and ts alignment and data leak issues. 2020-09-21 20:01:51 +01:00
light iio:light:si1145: Fix timestamp alignment and prevent data leak. 2020-09-21 20:01:50 +01:00
magnetometer iio:magn:hmc5843: Fix passing true where iio_shared_by enum required. 2020-09-21 18:54:18 +01:00
multiplexer iio: multiplexer: iio-mux: Simplify with dev_err_probe() 2020-09-03 19:40:51 +01:00
orientation iio: remove left-over parent assignments 2020-06-14 11:50:04 +01:00
position iio: remove explicit IIO device parent assignment 2020-06-14 11:49:59 +01:00
potentiometer iio:potentiometer:mcp4531: Drop of_match_ptr and CONFIG_OF protections. 2020-09-21 18:41:27 +01:00
potentiostat iio:potentiostat:lmp91000: Drop of_match_ptr and use generic fw accessors 2020-09-21 18:41:29 +01:00
pressure iio:pressure:zpa2326: Drop of_match_ptr protection 2020-09-21 18:41:30 +01:00
proximity iio: proximity: vl53l0x: Add IRQ support 2020-09-21 18:41:35 +01:00
resolver iio:resolver:ad2s1200: Drop of_match_ptr protection 2020-09-21 18:41:31 +01:00
temperature iio:temperature:tmp007: Drop of_match_ptr protection 2020-09-21 18:41:30 +01:00
trigger iio: Remove superfluous of_node assignments 2020-06-14 14:20:08 +01:00
iio_core_trigger.h iio: trigger: make stub functions static inline 2020-08-22 10:53:18 +01:00
iio_core.h iio: buffer: rename 'read_first_n' callback to 'read' 2019-12-29 15:20:09 +00:00
industrialio-buffer.c iio: buffer: split buffer sysfs creation to take buffer as primary arg 2020-09-17 18:56:10 +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 iio:core: Tidy up kernel-doc. 2020-09-21 18:54:18 +01:00
industrialio-event.c iio: core: move event interface on the opaque struct 2020-07-07 20:24:07 +01:00
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 iio: Add __printf() attributes to various allocation functions 2020-09-21 18:54:18 +01:00
industrialio-triggered-event.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
inkern.c iio: inkern: drop devm_iio_channel_release{_all} API calls 2020-04-19 16:56:37 +01:00
Kconfig iio: position: Add support for Azoteq IQS624/625 angle sensors 2020-03-27 08:25:59 +00:00
Makefile iio: position: Add support for Azoteq IQS624/625 angle sensors 2020-03-27 08:25:59 +00:00
TODO iio: add a TODO 2020-03-08 17:28:53 +00:00