fix-mmc-busy-loop-on-bytes.patch and Fix hangup indo_pio_write() patch

[YongLi]

Thank you for your help. I will only apply the first patch!

LiYong

.
> Andy Green wrote:
>> At a guess, they may be trying to fix the same bug different ways,
>
> Yes, I can confirm this.
>
>> but
>> if it's true, then the second patch should also do the same to
>> do_pio_read loop?  So maybe just the first patch will solve it.
>
> Yes, I think also do_pio_read should be fixed.
>
> The two sides are slightly different: in the do_pio_write case,
> you loop forever, so the problem is instantly visible.
>
> In the do_pio_read case you loop until the word is complete. This
> should be okay in most cases, but I could imagine error conditions
> where this is no longer true and you'd end up with a system that
> dies from time to time.
>
> - Werner
>