[PATCH v7 01/10] ARM: davinci: move private EDMA API to arm/common

Sergei Shtylyov sshtylyov at mvista.com
Fri Feb 1 14:52:46 EST 2013


On 02/01/2013 09:49 PM, 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.

> -Matt

WBR, Sergei

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