Re: [PATCH] pinctrl: sh-pfc: Use dev_notice_once() instead of open-coding

[Ulrich Hecht <uli@fpond.eu>]

> On July 31, 2019 at 3:24 PM Geert Uytterhoeven <geert+renesas@glider.be> wrote:
> 
> 
> At the time of commit 9a643c9a11259955 ("sh-pfc: Convert message
> printing from pr_* to dev_*"), the dev_*_once() variants didn't exist
> yet, so the once behavior was open-coded.
> 
> Since commit e135303bd5bebcd2 ("device: Add dev_<level>_once variants")
> they do, so "revert" to the good practice of using a helper.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> To be queued in sh-pfc-for-v5.4.
> 
>  drivers/pinctrl/sh-pfc/gpio.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
> index 97c1332c1045739a..64c09aa374ae011f 100644
> --- a/drivers/pinctrl/sh-pfc/gpio.c
> +++ b/drivers/pinctrl/sh-pfc/gpio.c
> @@ -255,18 +255,13 @@ static int gpio_pin_setup(struct sh_pfc_chip *chip)
>  #ifdef CONFIG_PINCTRL_SH_FUNC_GPIO
>  static int gpio_function_request(struct gpio_chip *gc, unsigned offset)
>  {
> -	static bool __print_once;
>  	struct sh_pfc *pfc = gpio_to_pfc(gc);
>  	unsigned int mark = pfc->info->func_gpios[offset].enum_id;
>  	unsigned long flags;
>  	int ret;
>  
> -	if (!__print_once) {
> -		dev_notice(pfc->dev,
> -			   "Use of GPIO API for function requests is deprecated."
> -			   " Convert to pinctrl\n");
> -		__print_once = true;
> -	}
> +	dev_notice_once(pfc->dev,
> +			"Use of GPIO API for function requests is deprecated, convert to pinctrl\n");
>  
>  	if (mark == 0)
>  		return -EINVAL;
> -- 
> 2.17.1

Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>

CU
Uli

>