Re: [PATCH] AMD Geode CS5535/5536 GPIO driver

Alessandro Zummo
2009-02-06T09:16:41Z

On Thu, 5 Feb 2009 16:12:20 -0800
David Brownell <david-b@pacbell.net> wrote:

> Unless this hardware misbehaves when both output and input
> modes are enabled (e.g. in the window between those two calls),
> I'd suggest just not clearing INPUT_ENABLE. It's legit to
> ask for the *actual* value of an output line, e.g. for when
> it uses open drain mode. (And didn't this hardware have an
> option for open drain GPIO signaling?)

seems reasonable,
I'll let the Geode people decide what to do here...