spi: spi-fsl-dspi: Adding shutdown hook

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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>

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Peng Ma 2020-04-24 14:12:16 +08:00 • committed by Mark Brown

parent 80300a7d5f

commit dc23482599

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drivers/spi/spi-fsl-dspi.c

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