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(parent: 5df1d0b) | patch
spi: spidev: Use separate TX and RX bounce buffers
authorRay Jui <rjui@broadcom.com>
Thu, 9 Oct 2014 18:19:25 +0000 (11:19 -0700)
committerMark Brown <broonie@kernel.org>
Mon, 13 Oct 2014 11:07:12 +0000 (13:07 +0200)
commitf7fe4443e28d9fba204f3c109926b1fdc7e5b161
treeb5ecacca909aafae461e09cd6834daa015c30d4btree | snapshot
parent5df1d0b62f01e3591a9d5f2076a0ae9776cb8178commit | diff
spi: spidev: Use separate TX and RX bounce buffers

By using separate TX and RX bounce buffers, we avoid potential cache
flush and invalidation sequence issue that may be encountered when a
single bounce buffer is shared between TX and RX

Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: JD (Jiandong) Zheng <jdzheng@broadcom.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spidev.c diff | blob | history
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