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H A Dimx-sdma.cdiff 73eab978ad6934499b83ecc920d470fe99c5e54d Thu Aug 25 04:03:35 CDT 2011 Sascha Hauer <s.hauer@pengutronix.de> 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>