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

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Message-ID: <ZAtn+TIB/5ngaF7w@smile.fi.intel.com>
Date:   Fri, 10 Mar 2023 19:25:13 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Marc Zyngier <maz@...nel.org>, linux-gpio@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <brgl@...ev.pl>,
        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 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