[U-Boot] Saving environment variables in MMC

[Detlev Zundel]

Hi Nitin,

> Thanks for the information. I just wanted to have a feedback, whether
> having a use-case of writing env variables from Linux User space is a
> good idea or is not recommended?

You found tools/env/fw_env.c showing that this functionality is indeed
foreseen and used.

It is rather common to write to the U-Boot environment in projects for
example to switch to a new set of kernel+file system after an update
from within linux for the next boot.

Is this feedback enough?

Cheers
  Detlev

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