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Date:   Fri, 8 Jan 2021 18:02:58 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Flavio Suligoi <f.suligoi@...m.it>
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1] Documentation: ACPI: add new rule for gpio-line-names

On Fri, Jan 8, 2021 at 5:28 PM Flavio Suligoi <f.suligoi@...m.it> 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@...il.com>

> Signed-off-by: Flavio Suligoi <f.suligoi@...m.it>
> ---
>  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

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