Re: [PATCH v1 1/3] Documentation: gpio: Input mode is not true Hi-Z

From: Andy Shevchenko
Date: Fri Mar 10 2023 - 12:25:23 EST


On Sat, Dec 03, 2022 at 10:33:50AM +0100, Linus Walleij wrote:
> On Wed, Nov 30, 2022 at 4:55 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> > The true Hi-Z (a.k.a. high impedance) mode is when pin is completely
> > disconnected from the chip. This includes input buffer as well.
> > Nevertheless, some hardware may not support that mode and they are
> > considering input only as Hi-Z, but more precisely it is an equivalent
> > to that, in electronics it's basically "an antenna mode".
> >
> > Sligthly correct documentation to take the above into consideration.
> >
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>
> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Bart, can you apply only the first patch from the series, on which we have
a consensus (I believe?).

--
With Best Regards,
Andy Shevchenko