A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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ARM: mxs-dma: reset after disable channel

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

Signed-off-by: Dong Aisheng <[email protected]>
Cc: Vinod Koul <[email protected]>
Cc: Shawn Guo <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Dong Aisheng 2011-07-19 12:09:56 +08:00 • committed by Vinod Koul
commit a62bae98a9
1 changed files with 1 additions and 0 deletions
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1
drivers/dma/mxs-dma.c
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@ -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);