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

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Message-ID: <CAMRc=MfOOCdBdLbirB-L7RyxuiE9TqztzQQd1Tjaio=GE2iY8A@mail.gmail.com>
Date:   Wed, 15 Mar 2023 11:07:08 +0100
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Marc Zyngier <maz@...nel.org>, linux-gpio@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jonathan Corbet <corbet@....net>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH v1 1/3] Documentation: gpio: Input mode is not true Hi-Z

On Fri, Mar 10, 2023 at 6:25 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> 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@...ux.intel.com> 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@...ux.intel.com>
> >
> > Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
>
> Bart, can you apply only the first patch from the series, on which we have
> a consensus (I believe?).
>
> --
> With Best Regards,
> Andy Shevchenko
>
>

Applied, thanks!

Bart