Re: [PATCH] watchdog: s3c2410: remove unused freq_to_wdt and s3c2410wdt_is_running functions

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Hi Tom,

On Tue, Mar 21, 2023 at 02:34:39PM -0400, Tom Rix wrote:
> clang with W=1 reports
> drivers/watchdog/s3c2410_wdt.c:311:35: error: unused function
>   'freq_to_wdt' [-Werror,-Wunused-function]
> static inline struct s3c2410_wdt *freq_to_wdt(struct notifier_block *nb)
>                                   ^
> drivers/watchdog/s3c2410_wdt.c:446:19: error: unused function
>   's3c2410wdt_is_running' [-Werror,-Wunused-function]
> static inline int s3c2410wdt_is_running(struct s3c2410_wdt *wdt)
>                   ^
> These functions are not used, so remove them.
> 
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
> ---
>  drivers/watchdog/s3c2410_wdt.c | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
> index 200ba236a72e..6394dda7a5dc 100644
> --- a/drivers/watchdog/s3c2410_wdt.c
> +++ b/drivers/watchdog/s3c2410_wdt.c
> @@ -308,11 +308,6 @@ static inline unsigned int s3c2410wdt_max_timeout(struct s3c2410_wdt *wdt)
>  				       / S3C2410_WTCON_MAXDIV);
>  }
>  
> -static inline struct s3c2410_wdt *freq_to_wdt(struct notifier_block *nb)
> -{
> -	return container_of(nb, struct s3c2410_wdt, freq_transition);
> -}
> -
>  static int s3c2410wdt_disable_wdt_reset(struct s3c2410_wdt *wdt, bool mask)
>  {
>  	const u32 mask_val = BIT(wdt->drv_data->mask_bit);
> @@ -443,11 +438,6 @@ static int s3c2410wdt_start(struct watchdog_device *wdd)
>  	return 0;
>  }
>  
> -static inline int s3c2410wdt_is_running(struct s3c2410_wdt *wdt)
> -{
> -	return readl(wdt->reg_base + S3C2410_WTCON) & S3C2410_WTCON_ENABLE;
> -}
> -

there is only one instance where this can be actually used in the
driver, but it's inside a dev_info, so no point having it around.

Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx>

Andi

>  static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd,
>  				    unsigned int timeout)
>  {
> -- 
> 2.27.0
> 



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