Messages in this thread | | | Date | Mon, 28 Jul 2014 09:12:31 +0300 | From | Peter Ujfalusi <> | Subject | Re: [PATCH 0/3] ARM/dma: edma: Serve cyclic clients via high priority queue |
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On 07/08/2014 01:46 PM, 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.
ping?
> > 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(-) >
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