[U-Boot] mmc erase fails from U-Boot command line

[Fabio Estevam]

Hi Eric,

On Wed, Dec 2, 2015 at 4:47 PM, Eric Nelson <eric at nelint.com> wrote:
> Sure. It's a hack, but shows where we're hitting the problem
> (with the stop command).
>
> We haven't been using the "mmc erase" command, but see this when
> using ums to program eMMC.

Ok, applied your patch, but still get:

=> mmc erase 4000 1000

MMC erase: dev # 2, block # 16384, count 4096 ... Timeout waiting for DAT0 to go
 high!
mmc erase failed
0 blocks erased: ERROR
=>

Thanks