Re: [PATCH] [RFC] dmaengine: add fifo_size member

[Sameer Pujar]

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.