From: Lothar Waßmann <LW@KARO-electronics.de>
Date: Mon, 8 Aug 2011 12:47:47 +0000 (+0200)
Subject: mxs-dma: enable CLKGATE before accessing registers
X-Git-Tag: v3.2-rc1~47^2~18^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef298c21c0d9c06ed89ea2fa724c3a018acfff39;p=pandora-kernel.git

mxs-dma: enable CLKGATE before accessing registers

After calling mxs_dma_disable_chan() for a channel, that channel
becomes unusable because some controller registers can only be written
when the clock is enabled via CLKGATE.

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