Re: [PATCH] dt-bindings: leds: leds-gpio: fix & extend node regex

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On Wed, 10 Mar 2021 08:00:25 +0100
Rafał Miłecki <zajec5@xxxxxxxxx> wrote:

> From: Rafał Miłecki <rafal@xxxxxxxxxx>
> 
> The old regex allowed only 1 character to follow the "led-" prefix which
> was most likely just an overlook. Fix it and while at it allow dashes in
> node names. It allows more meaningful names and it helpful e.g. when
> having the same function name with 2 different colors. For example:
> 1. led-power-white
> 2. led-power-blue
> 
> Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/leds/leds-gpio.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/leds/leds-gpio.yaml b/Documentation/devicetree/bindings/leds/leds-gpio.yaml
> index 7ad2baeda0b0..ae46a43e480f 100644
> --- a/Documentation/devicetree/bindings/leds/leds-gpio.yaml
> +++ b/Documentation/devicetree/bindings/leds/leds-gpio.yaml
> @@ -21,7 +21,7 @@ properties:
>  patternProperties:
>    # The first form is preferred, but fall back to just 'led' anywhere in the
>    # node name to at least catch some child nodes.
> -  "(^led-[0-9a-f]$|led)":
> +  "(^led-[0-9a-f][0-9a-f-]*$|led)":

Why not use +, like everywhere else?
  "(^led-[0-9a-f]+$|led)"



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