linux-kernel - Re: [PATCH 2/3] watchdog: st_lpc_wdt: remove unnecessary CONFIG_PM

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Message-ID: <b943769d-cfbe-4761-8aa3-1d1c8b3b0d7e@roeck-us.net>
Date:   Thu, 29 Oct 2020 06:03:48 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Coiby Xu <coiby.xu@...il.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>
Cc:     Patrice Chotard <patrice.chotard@...com>,
        "moderated list:ARM/STI ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:WATCHDOG DEVICE DRIVERS" <linux-watchdog@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] watchdog: st_lpc_wdt: remove unnecessary
 CONFIG_PM_SLEEP

On 10/29/20 12:53 AM, Coiby Xu wrote:
> SIMPLE_DEV_PM_OPS has already took good care of CONFIG_PM_CONFIG.
> > Signed-off-by: Coiby Xu <coiby.xu@...il.com>
> ---
>  drivers/watchdog/st_lpc_wdt.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/watchdog/st_lpc_wdt.c b/drivers/watchdog/st_lpc_wdt.c
> index 14ab6559c748..c1428d63dc9e 100644
> --- a/drivers/watchdog/st_lpc_wdt.c
> +++ b/drivers/watchdog/st_lpc_wdt.c
> @@ -248,7 +248,6 @@ static int st_wdog_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM_SLEEP
>  static int st_wdog_suspend(struct device *dev)

Again, this requires __maybe_unused.

>  {
>  	struct st_wdog *st_wdog = watchdog_get_drvdata(&st_wdog_dev);
> @@ -285,7 +284,6 @@ static int st_wdog_resume(struct device *dev)
>  
>  	return 0;
>  }
> -#endif
>  
>  static SIMPLE_DEV_PM_OPS(st_wdog_pm_ops,
>  			 st_wdog_suspend,
>