spi: rockchip: use atomic_t state

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The state field is currently only used to make sure
only the last of the tx and rx dma callbacks issue
an spi_finalize_current_transfer.
Rather than using a spinlock we can get away
with just turning the state field into an atomic_t.

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Emil Renner Berthing 2018-10-31 11:57:01 +01:00 • committed by Mark Brown

parent 2410d6a3c3

commit fab3e4871f

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drivers/spi/spi-rockchip.c

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