[U-Boot] [PATCH] mx53loco: Change 'fdt_file' dynamically

Fabio Estevam festevam at gmail.com
Wed Nov 12 16:51:53 CET 2014


Hi Stefano,

On Wed, Nov 12, 2014 at 6:19 AM, Stefano Babic <sbabic at denx.de> wrote:

> Generally, I do not find a good idea to overwrite the environment in
> code. A user (I mean, a developer) becomes crazy if the environment he
> has previously set with "setenv" and "saveenv" has no worth, because
> some part of code has overwritten. Let's think to a developer working
> with kernel and not with U-Boot, and he has several DTB, depending on
> what he want to do.

You bring a good point and I also agree that in general we should
avoid 'setenv' inside the code.

> Anyway, I understand that this helps for a ready-to-use board. I won't
> NACK the patch, and you as maintainer of the board are in the best
> position to decide, but I want only to ask you what do you think in such
> as a case before applying.

Yes, the idea here was that U-boot could retrieve the correct dtb
automatically for the two board revisions and provide a better user
experience.

Thanks,

Fabio Estevam


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