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(parent: 3607735) | 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)
commit27e5e4e4bf31e435322aaa9a76b5f29d299af024
treeb5ecacca909aafae461e09cd6834daa015c30d4btree | snapshot
parent3607735d5483240b8923e3d21c5520be15ba3fd8commit | 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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