From: Lothar Waßmann <LW@KARO-electronics.de>
Date: Thu, 8 Dec 2011 08:15:43 +0000 (+0100)
Subject: dma: mxs-dma: make mxs_dma_prep_slave_sg() multi user safe
X-Git-Tag: v3.3-rc1~19^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d23ea4b1906f28f5d99ad6aeef7207c48be6bfd;p=pandora-kernel.git

dma: mxs-dma: make mxs_dma_prep_slave_sg() multi user safe

Using a static variable for counting the number of CCWs attached to
a DMA channel when appending a new descriptor is not multi user safe.

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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