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authorAndrea Paterniani <a.paterniani@swapp-eng.it>2008-11-19 15:36:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-11-19 18:49:58 -0800
commit3b45d6380c392e402adc460e4ccf7d41e0caf82a (patch)
tree39526d9c921330fbdd57c864364b5ce3cdbd8751 /fs/ecryptfs
parentb3b4dc8840a8fdbe495723d35cd976d781fd42fa (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 <a.paterniani@swapp-eng.it> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs')
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