linux-kernel - Re: [PATCH] rtc: stm32: remove incorrect #ifdef check

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Date:   Tue, 1 Aug 2023 15:55:07 +0200
From:   Valentin CARON <valentin.caron@...s.st.com>
To:     Arnd Bergmann <arnd@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
CC:     Arnd Bergmann <arnd@...db.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Antonio Borneo <antonio.borneo@...s.st.com>,
        Amelie Delaunay <amelie.delaunay@...s.st.com>,
        Christophe Guibout <christophe.guibout@...s.st.com>,
        Gabriel Fernandez <gabriel.fernandez@...s.st.com>,
        <linux-rtc@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] rtc: stm32: remove incorrect #ifdef check

Hi Arnd,

Thanks for your patch !

On 8/1/23 12:59, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
>
> After a previous commit changed the driver over to
> SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(), the suspend/resume
> functions must no longer be hidden behind an #ifdef:
>
> In file included from include/linux/clk.h:13,
>                   from drivers/rtc/rtc-stm32.c:8:
> drivers/rtc/rtc-stm32.c:927:39: error: 'stm32_rtc_suspend' undeclared here (not in a function); did you mean 'stm32_rtc_probe'?
>    927 |         SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(stm32_rtc_suspend, stm32_rtc_resume)
>        |                                       ^~~~~~~~~~~~~~~~~
> include/linux/kernel.h:58:44: note: in definition of macro 'PTR_IF'
>     58 | #define PTR_IF(cond, ptr)       ((cond) ? (ptr) : NULL)
>        |                                            ^~~
> include/linux/pm.h:329:26: note: in expansion of macro 'pm_sleep_ptr'
>    329 |         .suspend_noirq = pm_sleep_ptr(suspend_fn), \
>        |                          ^~~~~~~~~~~~
>
> Fixes: fb9a7e5360dc8 ("rtc: stm32: change PM callbacks to "_noirq()"")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
Reviewed-by: Valentin Caron <valentin.caron@...s.st.com>
> ---
>   drivers/rtc/rtc-stm32.c | 2 --
>   1 file changed, 2 deletions(-)
>
> diff --git a/drivers/rtc/rtc-stm32.c b/drivers/rtc/rtc-stm32.c
> index 85689192fa7ae..c296e7af0700c 100644
> --- a/drivers/rtc/rtc-stm32.c
> +++ b/drivers/rtc/rtc-stm32.c
> @@ -890,7 +890,6 @@ static void stm32_rtc_remove(struct platform_device *pdev)
>   	device_init_wakeup(&pdev->dev, false);
>   }
>   
> -#ifdef CONFIG_PM_SLEEP
>   static int stm32_rtc_suspend(struct device *dev)
>   {
>   	struct stm32_rtc *rtc = dev_get_drvdata(dev);
> @@ -921,7 +920,6 @@ static int stm32_rtc_resume(struct device *dev)
>   
>   	return ret;
>   }
> -#endif
>   
>   static const struct dev_pm_ops stm32_rtc_pm_ops = {
>   	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(stm32_rtc_suspend, stm32_rtc_resume)