Messages in this thread | | | Date | Mon, 28 Jul 2014 17:04:46 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH 0/3] ARM/dma: edma: Serve cyclic clients via high priority queue |
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On Tue, Jul 08, 2014 at 01:46:35PM +0300, Peter Ujfalusi wrote: > Hi, > > It is preferred that audio is served with the highest priority queue in order to > avoid delays in data transfer between memory and audio IP. > > The following series will add an API to arch code to assign a channel to a given > queue. > The default queue is changed from 0 (highest priority) to lowest priority. > In the dmaengine driver we move the cyclic channel to queue0 (highest priority) > and move it back to default queue when the channel is terminated.
Applied, thanks
-- ~Vinod
> > Regards, > Peter > --- > Peter Ujfalusi (3): > ARM: edma: Set default queue to lowest priority > ARM: edma: Add edma_assign_channel_eventq() to move channel to a give > queue > dma: edma: Serve cyclic (audio) channels with high priority queue > > arch/arm/common/edma.c | 31 ++++++++++++++++++++++++++++++- > drivers/dma/edma.c | 8 ++++++++ > include/linux/platform_data/edma.h | 2 ++ > 3 files changed, 40 insertions(+), 1 deletion(-) > > -- > 2.0.0 >
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