Re: [PATCH v1] Documentation: ACPI: add new rule for gpio-line-names

From: Rafael J. Wysocki
Date: Fri Jan 22 2021 - 10:36:00 EST


On Fri, Jan 8, 2021 at 5:03 PM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>
> On Fri, Jan 8, 2021 at 5:28 PM Flavio Suligoi <f.suligoi@xxxxxxx> wrote:
> >
> > The gpio-line-names lists must respect some rules.
> >
> > This patch adds a new rule in documentation, to avoid
> > the use of duplicate names in the same gpiochip.
>
> Thanks!
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
>
> > Signed-off-by: Flavio Suligoi <f.suligoi@xxxxxxx>
> > ---
> > Documentation/firmware-guide/acpi/gpio-properties.rst | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/firmware-guide/acpi/gpio-properties.rst b/Documentation/firmware-guide/acpi/gpio-properties.rst
> > index b36aa3e743d8..4e264c16ddff 100644
> > --- a/Documentation/firmware-guide/acpi/gpio-properties.rst
> > +++ b/Documentation/firmware-guide/acpi/gpio-properties.rst
> > @@ -146,6 +146,7 @@ following rules (see also the examples):
> > other words, it is not mandatory to fill all the GPIO lines
> > - empty names are allowed (two quotation marks ``""`` correspond to an empty
> > name)
> > + - names inside one GPIO controller/expander must be unique
> >
> > Example of a GPIO controller of 16 lines, with an incomplete list with two
> > empty names::
> > --

Applied as 5.12 material, thanks!