[PATCH 1/1] ARM: mxs-dma: reset after disable channel

[Shawn Guo]

On Tue, Jul 19, 2011 at 10:21:46AM +0200, Wolfram Sang wrote:
> On Tue, Jul 19, 2011 at 12:02:16PM +0800, Shawn Guo wrote:
> > On Tue, Jul 19, 2011 at 12:09:56PM +0800, Dong Aisheng wrote:
> > > We met some channels in abnormal state after disable.
> > > Reset it to get a clean state.
> > > 
> > > Signed-off-by: Dong Aisheng <b29396 at freescale.com>
> > > Cc: Vinod Koul <vinod.koul at intel.com>
> > > Cc: Shawn Guo <shawn.guo at linaro.org>
> > > ---
> > 
> > Acked-by: Shawn Guo <shawn.guo at linaro.org>
> 
> Just to make sure: Did you investigate where the "abnormal" state came
> from and if that could be fixed?
> 
I suppose this is a question for Aisheng, as he is the one who actually
saw the "abnormal" state.  But since mxs_dma_disable_chan() is being
called in mxs_dma_control(DMA_TERMINATE_ALL) for case audio, it's should
be pretty safe reset the channel here.

-- 
Regards,
Shawn