linux-brain/drivers/slimbus
Srinivas Kandagatla cb7aa51031 slimbus: ngd: reset dma setup during runtime pm
[ Upstream commit d77772538f00b7265deace6e77e555ee18365ad0 ]

During suspend/resume NGD remote instance is power cycled along
with remotely controlled bam dma engine.
So Reset the dma configuration during this suspend resume path
so that we are not dealing with any stale dma setup.

Without this transactions timeout after first suspend resume path.

Fixes: 917809e228 ("slimbus: ngd: Add qcom SLIMBus NGD driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210809082428.11236-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-08-26 08:36:21 -04:00
..
Kconfig slimbus: ngd: QCOM_QMI_HELPERS has to be selected 2018-11-27 08:44:06 +01:00
Makefile slimbus: stream: add stream support 2018-07-07 17:25:23 +02:00
core.c slimbus: core: do not enter to clock pause mode in core 2020-10-29 09:57:42 +01:00
messaging.c slimbus: messaging: check for valid transaction id 2021-08-26 08:36:20 -04:00
qcom-ctrl.c slimbus: remove redundant dev_err message 2019-06-20 10:45:22 +02:00
qcom-ngd-ctrl.c slimbus: ngd: reset dma setup during runtime pm 2021-08-26 08:36:21 -04:00
sched.c slimbus: Add support for 'clock-pause' feature 2017-12-19 11:01:03 +01:00
slimbus.h slimbus: fix slim_tid_txn() 2019-08-18 12:56:10 +02:00
stream.c slimbus: fix kerneldoc comments 2019-06-10 18:44:21 +02:00