[U-Boot] [PATCH 1/2 V2] mmc: add boundary check for mmc operation

[Sergei Shtylyov]

Hello.

Lei Wen wrote:

> Change log:
> change the puts to printf to better formating.

    This change log should have followed the "---" tear-line.

> Signed-off-by: Lei Wen <leiwen at marvell.com>
> ---

WBR, Sergei