[PATCH v2 01/11] pwm: Make .get_state() callback return an error code

[Heiko Stübner]

> diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
> index a5af859217c1..3ec7d1756903 100644
> --- a/drivers/pwm/pwm-rockchip.c
> +++ b/drivers/pwm/pwm-rockchip.c
> @@ -57,9 +57,9 @@ static inline struct rockchip_pwm_chip *to_rockchip_pwm_chip(struct pwm_chip *c)
>  	return container_of(c, struct rockchip_pwm_chip, chip);
>  }
>  
> -static void rockchip_pwm_get_state(struct pwm_chip *chip,
> -				   struct pwm_device *pwm,
> -				   struct pwm_state *state)
> +static int rockchip_pwm_get_state(struct pwm_chip *chip,
> +				  struct pwm_device *pwm,
> +				  struct pwm_state *state)
>  {
>  	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);
>  	u32 enable_conf = pc->data->enable_conf;
> @@ -70,11 +70,11 @@ static void rockchip_pwm_get_state(struct pwm_chip *chip,
>  
>  	ret = clk_enable(pc->pclk);
>  	if (ret)
> -		return;
> +		return 0;
>  
>  	ret = clk_enable(pc->clk);
>  	if (ret)
> -		return;
> +		return 0;
>  
>  	clk_rate = clk_get_rate(pc->clk);
>  
> @@ -96,6 +96,8 @@ static void rockchip_pwm_get_state(struct pwm_chip *chip,
>  
>  	clk_disable(pc->clk);
>  	clk_disable(pc->pclk);
> +
> +	return 0;
>  }

for the Rockchip-part:
Reviewed-by: Heiko Stuebner <heiko at sntech.de>