* Russell King - ARM Linux <li...@arm.linux.org.uk> [130408 10:15]: > On Mon, Apr 08, 2013 at 09:11:04AM +0200, Peter Ujfalusi wrote: > > Russell, > > > > On 04/03/2013 01:17 PM, Peter Ujfalusi wrote: > > > cyclic DMA is only used by audio which needs DMA to be started without a > > > delay. > > > If the DMA for audio is started using the tasklet we experience random > > > channel switch (to be more precise: channel shift). > > > > > > Reported-by: Peter Meerwald <pme...@pmeerw.net> > > > Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com> > > > --- > > > Hi Russell, > > > > > > Instead of removing the tasklet we can identify the DMA channel used by > > > audio > > > based on the cyclic flag of the channel. > > > I think this can be used as a short term solution to fix the audio > > > channel shift > > > issue and later when we have the dynamic DMA channel allocation we can > > > adjust > > > the code. > > > > Could you, please look at this patch? > > Now that I'm back from a short 4 day break, then yes, and the answer is > that it's fine. Who's handling the patch?
I suggest Peter resend the patch with also Grant + Linus W cc:d so they can queue it unless there are other related patches pending somewhere else. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
