spi: spi-fsl-dspi: Adding shutdown hook
authorPeng Ma <peng.ma@nxp.com>
Fri, 24 Apr 2020 06:12:16 +0000 (14:12 +0800)
committerMark Brown <broonie@kernel.org>
Fri, 24 Apr 2020 12:56:38 +0000 (13:56 +0100)
commitdc234825997ec6ff05980ca9e2204f4ac3f8d695
tree5a02551e8967472b294838c861fe4111c83bc6b5
parent80300a7d5f2d7178335652f41d2e55ba898b4ec1
spi: spi-fsl-dspi: Adding shutdown hook

We need to ensure dspi controller could be stopped in order for kexec
to start the next kernel.
So add the shutdown operation support.

Signed-off-by: Peng Ma <peng.ma@nxp.com>
Link: https://lore.kernel.org/r/20200424061216.27445-1-peng.ma@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-fsl-dspi.c