Hello. On 01-02-2013 22:59, Matt Porter wrote:
Move mach-davinci/dma.c to common/edma.c so it can be used by OMAP (specifically AM33xx) as well.
I think this should rather go to drivers/dma/?
No, this is the private EDMA API. It's the analogous thing to the private OMAP dma API that is in plat-omap/dma.c. The actual dmaengine driver is in drivers/dma/edma.c as a wrapper around this...same way OMAP DMA engine conversion is being done.
Keeps me wondering why we couldn't have the same with CPPI 4.1 when I proposed that, instead of waiting indefinitely for TI to convert it to drivers/dma/ directly. We could have working MUSB DMA on OMAP-L1x/Sitara all this time... Sigh.
That is a shame. Yeah, I've pointed out that I was doing this exactly the same way as was acceptable for the OMAP DMA conversion since it was in RFC. The reasons are sound since in both cases, we have many drivers to convert that need to continue using the private DMA APIs.
In case of CPPI 4.1, we'd only have to convert MUSB DMA driver. Other in-tree CPPI 4.1 having SoCs don't use it for anything but MUSB -- it even is sub-block of their MUSB device, AFAIK (I maybe wrong about Sitaras -- I don't know them well).
-Matt
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