linux-kernel - Re: [PATCH v2 2/3] devicetree: leds: Introduce "panic-indicator" optional property

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Message-ID: <570FC973.2040708@arm.com>
Date:	Thu, 14 Apr 2016 17:46:43 +0100
From:	Robin Murphy <robin.murphy@....com>
To:	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Cc:	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Richard Purdie <rpurdie@...ys.net>,
	Kumar Gala <galak@...eaurora.org>,
	Jacek Anaszewski <j.anaszewski@...sung.com>
Subject: Re: [PATCH v2 2/3] devicetree: leds: Introduce "panic-indicator"
 optional property

Hi Ezequiel,

On 13/04/16 19:08, 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, if possible.
>
> Signed-off-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
> ---
>   Documentation/devicetree/bindings/leds/common.txt | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
> index 68419843e32f..7b646a7808ce 100644
> --- a/Documentation/devicetree/bindings/leds/common.txt
> +++ b/Documentation/devicetree/bindings/leds/common.txt
> @@ -37,6 +37,9 @@ Optional properties for child nodes:
>                        property is mandatory for the LEDs in the non-flash modes
>                        (e.g. torch or indicator).
>
> +- panic-indicator : This properties specifies that the LED should be used,

s/properties/property/

Maybe phrasing it as "should also be used" might make the intention a 
bit clearer, as well.

Robin.

> +		    if at all possible, as a panic indicator.
> +
>   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
>