From 90f1cb438e33bb88036649665c2165155561b54f Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 12 Dec 2012 15:38:16 +0100
Subject: [PATCH] mmc: sh_mmcif: reset DMA completion immediately before
 starting DMA

DMA completion can be signalled from the DMA callback and from the error
handler. If both are called, the completion struct can enter an
inconsistent state. To prevent this move completion initialisation
immediately before activating DMA.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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