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

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Date:	Tue, 5 Apr 2016 23:37:33 +0200
From:	Jacek Anaszewski <jacek.anaszewski@...il.com>
To:	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc:	Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>, robh@...nel.org
Subject: Re: [PATCH 4/5] devicetree: leds: Introduce "panic-blink" optional
 property

Hi Ezequiel,

On 04/04/2016 10:22 PM, Ezequiel Garcia 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@...guardiasur.com.ar>
> ---
>   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.

I'd say that 'panic-indicator' would be more informative.

Please next time cc also devicetree list and maintainers.

> +
>   Required properties for flash LED child nodes:
>   - flash-max-microamp : Maximum flash LED supply current in microamperes.
>   - flash-max-timeout-us : Maximum timeout in microseconds after which the flash
>

-- 
Best regards,
Jacek Anaszewski