[U-Boot] [PATCH] i.MX28: Allow coexistence of PIO and DMA mode for SD/MMC

[Stefano Babic]

On 05/04/2012 14:17, Marek Vasut wrote:

> 
> What do you mean? DMA is used for NAND ever since, I just recently tried 
> enabling it also for MMC.

Sorry, I have not read accurately - we have two different CONFIG_

>> Anyway, I am not saying we should introduce a new switch, but maybe we
>> should drop DMA support in msx_mmc for this release avoiding confusion.
>> The current status with DMA support can be re-enabled on a -next branch.
> 
> Maybe adding comment to that switch that it's experimental and that it should be 
> off to avoid problems would be enough?

Yes. We need to make clear that DMA on MMC is in a working status.

Stefano

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