Re: [PATCH v1] Documentation: ACPI: add new rule for gpio-line-names
From: Andy Shevchenko <hidden>
Date: 2021-01-08 16:02:35
Also in:
linux-acpi, lkml
From: Andy Shevchenko <hidden>
Date: 2021-01-08 16:02:35
Also in:
linux-acpi, lkml
On Fri, Jan 8, 2021 at 5:28 PM Flavio Suligoi [off-list ref] 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 <redacted>
Signed-off-by: Flavio Suligoi <f.suligoi@asem.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