Messages in this thread | | | Subject | Re: [PATCH] [RFC] dmaengine: add fifo_size member | From | Sameer Pujar <> | Date | Mon, 15 Jul 2019 21:12:54 +0530 |
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Hi Vinod,
Sorry for writing again. Can we please conclude on this?
Thanks, Sameer.
On 7/5/2019 11:45 AM, Sameer Pujar wrote: > Hi Vinod, > > What are your final thoughts regarding this? > > Thanks, > Sameer. > >>> Where does ADMAIF driver reside in kernel, who configures it for normal >>> dma txns..? >> Not yet, we are in the process of upstreaming ADMAIF driver. >> To describe briefly, audio subsystem is using ALSA SoC(ASoC) layer. >> ADMAIF is >> registered as platform driver and exports DMA functionality. It >> registers PCM >> devices for each Rx/Tx ADMAIF channel. During PCM playback/capture >> operations, >> ALSA callbacks configure DMA channel using API dmaengine_slave_config(). >> RFC patch proposed, is to help populate FIFO_SIZE value as well >> during above >> call, since ADMA requires it. >>> >>> Also it wold have helped the long discussion if that part was made >>> clear >>> rather than talking about peripheral all this time :( >> Thought it was clear, though should have avoided using 'peripheral' >> in the >> discussions. Sorry for the confusion. >
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