[PATCH] dmaengine: Add support for BCM2835.
broonie at kernel.org
Wed Nov 13 08:36:32 PST 2013
On Wed, Nov 13, 2013 at 08:01:01PM +0530, Vinod Koul wrote:
> On Wed, Nov 13, 2013 at 02:54:41PM +0000, Mark Brown wrote:
> > Yes, though I think some of the stuff Martin was talking about will need
> > changes to the dmaengine APIs. He was wanting to reuse DMA lists which
> > currently dmaengine needs to have built up each time.
> Can you elobrate a bit more on what you guys want to do here?
He wants to be able to submit a descriptor to the hardware more than
once to save on the costs of of constructing the descriptor. I'm not
convinced this is a huge benefit most of the time.
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