From a62bae98a93e6c4d53b1e6c20715e94b4a5aca3c Mon Sep 17 00:00:00 2001
From: Dong Aisheng <b29396@freescale.com>
Date: Tue, 19 Jul 2011 12:09:56 +0800
Subject: [PATCH] ARM: mxs-dma: reset after disable channel

We met some channels in abnormal state after disable.
Reset it to get a clean state.

Signed-off-by: Dong Aisheng <b29396@freescale.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
 drivers/dma/mxs-dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index f22a237b7dd6..be641cbd36fc 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -537,6 +537,7 @@ static int mxs_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
 	switch (cmd) {
 	case DMA_TERMINATE_ALL:
 		mxs_dma_disable_chan(mxs_chan);
+		mxs_dma_reset_chan(mxs_chan);
 		break;
 	case DMA_PAUSE:
 		mxs_dma_pause_chan(mxs_chan);
-- 
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