Messages in this thread | | | Subject | Re: [PATCH] [RFC] dmaengine: add fifo_size member | From | Sameer Pujar <> | Date | Fri, 5 Jul 2019 11:45:34 +0530 |
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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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