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p54pci: update receive dma buffers before and after processing
authorChristian Lamparter <chunkeey@googlemail.com>
Fri, 11 Feb 2011 00:48:42 +0000 (01:48 +0100)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 21 Feb 2011 20:17:51 +0000 (15:17 -0500)
Documentation/DMA-API-HOWTO.txt states:

"DMA transfers need to be synced properly in order for
the cpu and device to see the most uptodate and correct
copy of the DMA buffer."

Cc: <stable@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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