[PATCH] da9053: reset FAULTLOG after read

[Sascha Hauer]

On Wed, Dec 14, 2016 at 01:52:52PM +0100, Michael Grzeschik wrote:
> The driver has to reset the FAULTLOG register after every read by
> writing the value back. In the current case the FALUTLOG register keep
> its value over every software reset and will only reset on power-off.
> This drives the reset-source value unreliable.
> 
> Signed-off-by: Michael Grzeschik <m.grzeschik at pengutronix.de>
> ---
>  drivers/mfd/da9053.c | 4 ++++
>  1 file changed, 4 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/drivers/mfd/da9053.c b/drivers/mfd/da9053.c
> index 0de8c66..9adab8c 100644
> --- a/drivers/mfd/da9053.c
> +++ b/drivers/mfd/da9053.c
> @@ -240,6 +240,10 @@ static void da9053_detect_reset_source(struct da9053_priv *da9053)
>  	priority = of_get_reset_source_priority(da9053->dev->device_node);
>  
>  	reset_source_set_priority(type, priority);
> +
> +	ret = da9053_reg_write(da9053, DA9053_FAULTLOG_REG, val);
> +	if (ret < 0)
> +		return;
>  }
>  
>  static void __noreturn da9053_force_system_reset(struct restart_handler *rst)
> -- 
> 2.10.2
> 
> 
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