From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Tue, 16 Sep 2014 19:45:56 +0000 (+0300)
Subject: dmaengine: omap-dma: Add memory barrier to dma_resume path
X-Git-Tag: fixes-for-v3.18-merge-window~57^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b3d09da7e1771decc6833d1fa662bf994948c8e6;p=pandora-kernel.git

dmaengine: omap-dma: Add memory barrier to dma_resume path

Add mb() call to resume path to ensure the necessary barrier.
Resume can happen after waking up from suspend for example.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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