[PATCH 2/7] reset_source: add new Brownout reset (BOR) source

Sascha Hauer s.hauer at pengutronix.de
Tue Jun 4 01:11:39 PDT 2019


On Mon, Jun 03, 2019 at 09:05:54PM +0200, Ahmad Fatoum wrote:
> The STM32MP1 can report brown out as reason for a reset,
> which doesn't fit into existing reasons. Thus add a new
> one to the enumeration.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  common/reset_source.c  | 1 +
>  include/reset_source.h | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/common/reset_source.c b/common/reset_source.c
> index 338d7b9acb30..0489724f3e7f 100644
> --- a/common/reset_source.c
> +++ b/common/reset_source.c
> @@ -28,6 +28,7 @@ static const char * const reset_src_names[] = {
>  	[RESET_JTAG] = "JTAG",
>  	[RESET_THERM] = "THERM",
>  	[RESET_EXT] = "EXT",
> +	[RESET_BOR] = "BOR",
>  };
>  
>  static enum reset_src_type reset_source;
> diff --git a/include/reset_source.h b/include/reset_source.h
> index 86e415abcf84..c124278ec674 100644
> --- a/include/reset_source.h
> +++ b/include/reset_source.h
> @@ -22,6 +22,7 @@ enum reset_src_type {
>  	RESET_JTAG,	/* JTAG reset */
>  	RESET_THERM,	/* SoC shut down because of overtemperature */
>  	RESET_EXT,	/* External reset through device pin */
> +	RESET_BOR,	/* Brownout Reset */

Reading "BOR" as "Brown Out Reset" is not very obvious. Maybe better use
RESET_BROWNOUT and "BROWNOUT". That shouldn't be too long to read and
write.

Sascha


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