diff options
author | Andrea Paterniani <[email protected]> | 2008-11-19 15:36:26 -0800 |
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committer | Linus Torvalds <[email protected]> | 2008-11-19 18:49:58 -0800 |
commit | 3b45d6380c392e402adc460e4ccf7d41e0caf82a (patch) | |
tree | 39526d9c921330fbdd57c864364b5ce3cdbd8751 /net/lapb/lapb_iface.c | |
parent | b3b4dc8840a8fdbe495723d35cd976d781fd42fa (diff) |
spi_imx: full duplex dma corruption bugfix
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.
Signed-off-by: Andrea Paterniani <[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/lapb/lapb_iface.c')
0 files changed, 0 insertions, 0 deletions