[PATCH] mmc: mmci: Fixup and cleanup code for DMA handling

Ulf Hansson ulf.hansson at linaro.org
Tue Oct 16 07:44:09 EDT 2012


On 16 October 2012 10:17, Linus Walleij <linus.walleij at linaro.org> wrote:
> On Tue, Oct 16, 2012 at 9:16 AM, Ulf Hansson <ulf.hansson at linaro.org> wrote:
>
>> This code has not been tested on a "legacy" ARM PL180 but only for
>> ux500 boards. Even if it should affect DMA handling we should test
>> this properly. Would be great if you were able to help out, I guess
>> you still have available hardware for these tests?
>
> I can test the Integrator/CP and Realview in IRQ/PIO mode and
> the U300 in DMA mode.

Great!

>
> I need some help to provoke errorpath in DMA mode though,
> so any hints are welcome...

One good option could be to stress test card insert/removal sequences,
while at the same time doing read/write requests.

>
> Yours,
> Linus Walleij

Kind regards
Ulf Hansson



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