[U-Boot] env_mmc: support overriding mmc dev from board code

[Tom Rini]

On Tue, Jan 26, 2016 at 10:52:39AM +0100, Clemens Gruber wrote:
> On Tue, Jan 26, 2016 at 10:53:58AM +0800, Peng Fan wrote:
> > Yeah. The patch I wrote include fix write_env, and a function prototype in
> > header file.
> > 
> > If the current patch already applied, I can write a follow up patch.
> > 
> > Thanks,
> > Peng.
> > 
> 
> Hi Peng,
> 
> sorry, I did not know there was already a similar patch.
> 
> However, now when looking over your patch, it tries to fix read_env and
> write_env, which is not necessary, because the device number is stored
> in struct mmc.
> 
> What's missing though is the function prototype in the header.
> 
> Tom, should I send a v2 of the patch or a follow-up? Or do you want to
> fix this up, Peng?

Ah, yes, a prototype would be good, go ahead and do it, thanks!

-- 
Tom
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