From 73eab978ad6934499b83ecc920d470fe99c5e54d Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Thu, 25 Aug 2011 11:03:35 +0200
Subject: [PATCH] dmaengine i.MX SDMA: lock channel 0

channel0 of the sdma engine is the configuration channel. It
is a shared resource and thus must be protected by a mutex.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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