Tearing down DMA transfer setup after DMA client has finished

Vinod Koul vinod.koul at intel.com
Thu Dec 8 22:59:55 PST 2016


On Thu, Dec 08, 2016 at 04:48:18PM +0000, Måns Rullgård wrote:
> Vinod Koul <vinod.koul at intel.com> writes:
> 
> > To make it efficient, disregarding your Sbox HW issue, the solution is
> > virtual channels. You can delink physical channels and virtual channels. If
> > one has SW controlled MUX then a channel can service any client. For few
> > controllers request lines are hard wired so they cant use any channel. But
> > if you dont have this restriction then driver can queue up many transactions
> > from different controllers.
> 
> Have you been paying attention at all?  This exactly what the driver
> ALREADY DOES.

And have you read what the question was?

-- 
~Vinod



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