[U-Boot] [RFC] gpio command: return value on write, additional actions

[Mike Frysinger]

On Wednesday, July 06, 2011 06:36:00 Wolfgang Denk wrote:
> For consistency I would prefer to have all commands return the same
> type of information, i. e. either an error status (like we do with all
> other commands - any result values would then have to be passed as
> environment settings)

going through the env seems a little wonky.  i dont know of any other commands 
that do this, so i dont think there's any standard to work off of here ...
-mike
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