[v2,2/3] devicetree: leds: Introduce "panic-indicator" optional property
diff mbox series

Message ID 1460570899-24642-3-git-send-email-ezequiel@vanguardiasur.com.ar
State New, archived
Headers show
Series
  • Extend the LED panic trigger
Related show

Commit Message

Ezequiel Garcia April 13, 2016, 6:08 p.m. UTC
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@vanguardiasur.com.ar>
---
 Documentation/devicetree/bindings/leds/common.txt | 3 +++
 1 file changed, 3 insertions(+)

Comments

Rob Herring April 14, 2016, 4:33 p.m. UTC | #1
On Wed, Apr 13, 2016 at 03:08:18PM -0300, 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@vanguardiasur.com.ar>
> ---
>  Documentation/devicetree/bindings/leds/common.txt | 3 +++
>  1 file changed, 3 insertions(+)

Acked-by: Rob Herring <rob@kernel.org>
Robin Murphy April 14, 2016, 4:46 p.m. UTC | #2
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@vanguardiasur.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
>

Patch
diff mbox series

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,
+		    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