On 08/10/2015 07:54 AM, Michal Suchanek wrote:
> On 10 August 2015 at 15:44, Olliver Schinagl <[email protected]> wrote:
>> Hey Michal,
>>
>> As without this patch, we cannot use something like mmc-spi due to the
>> restriction of packet size iirc.
> 
> With DMA we can. And since DMA will be enabled most of the time the
> non-DMA code will receive little or no testing.
> 
That was also an objection over a year ago, when this patch was first
ready, and still, no DMA support is implemented. It would be amazing to
have a way to run larger transfers _today_ :) .

>>>
>>> have you tested this for small transfers that would not trigger the
>>> fifo 3/4 full interrupt?
>>
It worked as expected with any size transfer when I tested it (logic
analyzer confirmed TM). With that being said, I haven't looked at this
patch in a long time, but the underlying logic should still behave the same.


Alex

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