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.
Signed-off-by: Flavio Suligoi <[email protected]>
---
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::
--
2.25.1
On Fri, Jan 8, 2021 at 5:28 PM Flavio Suligoi <[email protected]> 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 <[email protected]>
> Signed-off-by: Flavio Suligoi <[email protected]>
> ---
> 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::
> --
> 2.25.1
>
--
With Best Regards,
Andy Shevchenko
On Fri, Jan 8, 2021 at 5:03 PM Andy Shevchenko
<[email protected]> wrote:
>
> On Fri, Jan 8, 2021 at 5:28 PM Flavio Suligoi <[email protected]> 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 <[email protected]>
>
> > Signed-off-by: Flavio Suligoi <[email protected]>
> > ---
> > 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!