[U-Boot] [RFC PATCH] u-boot: remove driver lookup loop from env_save()

[Wolfgang Denk]

Dear Maxime,

In message <20180711134735.vhhc7quuzcp42bo7 at flea> you wrote:
> 
> > If the feature is available, use cases will spring into mind.
...
>
> Right, but that would bring a much more significant rework as to how
> the environments are handled than just the changes that are being
> discussed here. At the moment, the environment can only be stored on
> one device for each "types" (one raw MMC, one MTD partition, etc). The
> redundancy allows you to duplicate it, but you won't be able to store
> on just one instance of your choosing at the moment.

I am aware of this.  However, if we can pave the way for this to be
added later at little or no additional cost, should we not try that?

Best regards,

Wolfgang Denk

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