On Thu, Apr 28, 2016 at 07:03:40PM -0300, Ezequiel Garcia wrote:

Calling a GPIO LEDs is quite likely to work even if the kernel
has paniced, so they are ideal to blink in this situation.
This commit adds support for the new "panic-indicator"
firmware property, allowing to mark a given LED to blink on
a kernel panic.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
---
 Documentation/devicetree/bindings/leds/leds-gpio.txt | 2 ++

Acked-by: Rob Herring <robh@kernel.org>

 drivers/leds/leds-gpio.c                             | 4 ++++
 include/linux/leds.h                                 | 1 +
 3 files changed, 7 insertions(+)