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| author | Jan Nikitenko <[email protected]> | 2008-12-01 21:13:56 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2008-12-02 03:55:24 +0000 |
| commit | 4e253d23003b54c88d0919d6088be74f00eec3c7 (patch) | |
| tree | 418741f7add461e32f4c2801e8a693f9dbd0455b /net/unix/af_unix.c | |
| parent | spi: fix spi_imx probe oopsing (diff) | |
| download | kernel-4e253d23003b54c88d0919d6088be74f00eec3c7.tar.gz kernel-4e253d23003b54c88d0919d6088be74f00eec3c7.zip | |
spi: au1550_spi full duplex dma fix
Fix unsafe order in dma mapping operation: always flush data from the
cache *BEFORE* invalidating it, to allow full duplex transfers where the
same buffer may be used for both writes and reads. Tested with mmc-spi.
Signed-off-by: Jan Nikitenko <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions