From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Sat, 21 Feb 2009 21:38:56 +0000 (+0000)
Subject: [ARM] dma: RiscPC: don't modify DMA SG entries
X-Git-Tag: v2.6.30-rc1~636^2~52^2~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa4e998999322bc1b11d2c8b19b9fa2016fd1548;p=pandora-kernel.git

[ARM] dma: RiscPC: don't modify DMA SG entries

We should not be modifying the scatterlist passed to us from the
driver code; doing so breaks assumptions made by the DMA API code,
and could cause problems if the driver retries a transfer using an
old scatterlist.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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