[U-Boot] a few questions about saving bootcount in the environment

[Wolfgang Denk]

Dear Robert,

In message <alpine.LFD.2.20.1607231318540.16761 at localhost.localdomain> you wrote:
> 
> so this tells me that there's not a whole lot of that feature being
> used, so i won't spend much time on it.

Right, it is only a last resort when you cannot find any better place
to storeit (in a hardware register that survives resets).

>   also, just to confirm, the "upgrade_available" variable is used
> *exclusively* for the case of bootcount in the environment and nowhere
> else, correct? so, again, if i'm not using the environment, i don't
> care about it.

Right.  It is only needed to reduce the number of writes to the
environment.

> now, i can see where one wants to reset "bootcount" to zero once you
> boot successfully, but why would you also set "upgrade_available" to
> zero? don't you want to keep using that feature when you boot in the
> future?

--> Heiko ?

Best regards,

Wolfgang Denk

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