From: Christian Lamparter <chunkeey@googlemail.com>
Date: Fri, 11 Feb 2011 00:48:42 +0000 (+0100)
Subject: p54pci: update receive dma buffers before and after processing
X-Git-Tag: v2.6.37.3~66
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b2421a21fecb20e00ce36acaf2637c708294648;p=pandora-kernel.git

p54pci: update receive dma buffers before and after processing

commit 0bf719dfdecc5552155cbec78e49fa06e531e35c upstream.

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."

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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