[alsa-devel] [PATCH 0/2 v5] dmaengine: rcar-audmapp: independent from SH_DMAE_BASE

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Mon Jan 26 07:40:49 CET 2015


Hi Vinod

> > I'm not saying you need to, I just wanted to raise the issue. From what I 
> > understood Vinod was also having doubts on using the DMA engine API for this 
> > device, given that it doesn't really match what the DMA engine API has been 
> > designed for. If everybody else is fine with your patches, and if the sound DT 
> > nodes are not considered overly complex with the DMA engine bindings, then I 
> > have no objection.
> Laurent is right in his observations, When I last reviewed the series
> (though have looked at this one yet), the advise was to use dmaengine APIs
> with sound dmanengine library for 1st DMAC.  The second DMAC is specfic to
> this device so should be handled internally or as part of the sound driver
> (or whatever client)

So, is this mean we can't use DMAEngine style if it was non-generic DMAC ?
For Example, we have USB-DMAC (it is used from USB only)

Best regards
---
Kuninori Morimoto


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