Re: [PATCH 4/5] devicetree: leds: Introduce "panic-blink" optional property

From: Rob Herring
Date: Wed Apr 06 2016 - 11:12:37 EST


On Mon, Apr 4, 2016 at 3:22 PM, Ezequiel Garcia
<ezequiel@xxxxxxxxxxxxxxxxxxxx> wrote:
> It's desirable to specify which LEDs are to be blinked on a kernel
> panic. Therefore, introduce a devicetree boolean property to mark
> which LEDs should be treated this way.
>
> Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/leds/common.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
> index 68419843e32f..dd409df9203a 100644
> --- a/Documentation/devicetree/bindings/leds/common.txt
> +++ b/Documentation/devicetree/bindings/leds/common.txt
> @@ -37,6 +37,8 @@ Optional properties for child nodes:
> property is mandatory for the LEDs in the non-flash modes
> (e.g. torch or indicator).
>
> +- panic-blink : Mark this LED to be used by the panic LED trigger.
> +

We already have a way to specify LED triggers. Why can't that be used?

Rob