MUSB multiplatform work?

[Jassi Brar]

On 31 May 2013 02:01, Tony Lindgren <tony at atomide.com> wrote:
> * Linus Walleij <linus.walleij at linaro.org> [130530 13:27]:
>> On Thu, May 30, 2013 at 10:18 PM, Tony Lindgren <tony at atomide.com> wrote:
>>
>> > TUSB would work with dmaengine, but AFAIK we're still missing the
>> > dmaengine configuration options to support increasing device end
>> > FIFO address.
>>
>> Can you elaborate on this? What is the usecase here?
>
> There are many devices where the device FIFO is memory mapped to the
> GPMC bus on omaps, like TUSB, OneNAND, smc911x etc. I believe the
> only reason why these have not been converted to the dmaengine is
> the fact that dmaengine cannot configure the DMA hardware to do
> autoincrement and loop over the device FIFO.
>
Doesn't device_prep_interleaved_dma() help?

-jassi