[PATCH 00/11] ARM: PrimeCell DMA Interface v5

[Linus Walleij]

2010/5/2 Dan Williams <dan.j.williams at intel.com>:
> On Sat, May 1, 2010 at 4:04 PM, Linus Walleij

>> When the driver issues a request to perform a DMA transfer, it will pull
>> out a physical channel and use that, then return it. If there is too
>> much combat about the physical channels, you configure out DMA
>> for the least wanted PrimeCells.
>>
>
> Could you simulate this by publishing more struct dma_chans than are
> physically present, and then handle the muxing internal to the driver?
>  Or am I misunderstanding the usage model?

Yes exactly that way. What I had in mind atleast.

Yours,
Linus Walleij