[U-Boot] [RFC 2/2] env: Add prefix to error messages when loading env

[Tom Rini <trini@konsulko.com>]

On Wed, Jul 18, 2018 at 01:09:12AM +0300, Sam Protsenko wrote:

> This is just a draft to discuss ideas related to "Make U-Boot log great
> again" thread.
> 
> With this patch we will see something like:
> 
>     Loading Environment from FAT...
>        --> MMC: no card present
>        --> ** Bad device mmc 0 **
>        --> Failed (-5)
>     Loading Environment from MMC...
>        --> OK
> 
> instead of:
> 
>     Loading Environment from FAT... MMC: no card present
>     ** Bad device mmc 0 **
>     Failed (-5)
>     Loading Environment from MMC... OK

So, I think maybe (and given Wolfgang's comments) we should think about
how the output might want to look, and how to get there without GD
changes.  Perhaps:
Attempting to load Environment from FAT (do we have more easily
available info at this point?):
MMC: no card present
** Bad device mmc 0 **
Failed (-5)
Loading Environment from MMC...
Attempting to load Environment from MMC:
Succeeded

-- 
Tom
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