Mike Frysinger wrote at Monday, November 07, 2011 10:40 AM:
> * PGP Signed by an unknown key
>
> On Monday 07 November 2011 11:35:33 Stephen Warren wrote:
> > Joe Hershberger wrote at Friday, November 04, 2011 8:25 PM:
> > > -void gpio_free(int gp)
> > > +int gpio_free(unsigned gpio)
> > > {
> > > + return 0;
> > > }
> >
> > If you're doing a cleanup pass on this driver, you may as well make
> > gpio_free() do something; it should probably clear gpio_names[gpio].name
> > and perhaps set the pin back to SFIO - in other words, undo gpio_reqeust().
>
> i think the decision made in Linux was that freeing a GPIO should not cause it
> to change tristate or anything. all it should do is mark it as "available" so
> something else can request it.
> -mike
OK, I'll buy that, but presumably gpio_names[gpio].name should still be cleared
to indicate the pin is free?
--
nvpublic
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