[PATCH 01/11] dma: imx-sdma: make channel0 operations atomic

[Lothar Waßmann]

Hi,

Richard Zhao writes:
> On Fri, Apr 27, 2012 at 11:18:31AM +0200, Lothar Waßmann wrote:
> > Hi,
> > 
> > Richard Zhao writes:
> > > device_prep_dma_cyclic may be call in audio trigger function which is
> > > atomic context, so we make it atomic too.
> > > 
> > >  - change channel0 lock to spinlock.
> > >  - Use polling to wait for channel0 finish running.
> > > 
> > > Signed-off-by: Lothar Waßmann <LW at KARO-electronics.de>
> > >
> > Actually I didn't sign off the patch that I posted, because I wanted
> > to wait for more comments first.
> I send it out with slight modifications because the series highly
> depend on it. Will you take it over or let me put it in next version?
> Both are ok to me.
> 
I think you should keep it as part of your sound patches and I will
test your final version on our hardware.


Lothar Waßmann
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