linux-kernel - Re: [PATCH] clk: samsung: mark PM functions as __maybe

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Message-ID: <20201204083653.GA5418@kozik-lap>
Date:   Fri, 4 Dec 2020 10:36:53 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: samsung: mark PM functions as __maybe_unused

On Thu, Dec 03, 2020 at 11:53:11PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 

I understand this happens with !PM builds. It would be good to mention
this in commit msg. With commit msg improved:

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof


> drivers/clk/samsung/clk-exynos-clkout.c:219:12: error: 'exynos_clkout_resume' defined but not used [-Werror=unused-function]
>   219 | static int exynos_clkout_resume(struct device *dev)
>       |            ^~~~~~~~~~~~~~~~~~~~
> drivers/clk/samsung/clk-exynos-clkout.c:210:12: error: 'exynos_clkout_suspend' defined but not used [-Werror=unused-function]
>   210 | static int exynos_clkout_suspend(struct device *dev)
>       |            ^~~~~~~~~~~~~~~~~~~~~
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/clk/samsung/clk-exynos-clkout.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c
> index 9ec2f40cc400..e6d6cbf8c4e6 100644
> --- a/drivers/clk/samsung/clk-exynos-clkout.c
> +++ b/drivers/clk/samsung/clk-exynos-clkout.c
> @@ -207,7 +207,7 @@ static int exynos_clkout_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -static int exynos_clkout_suspend(struct device *dev)
> +static int __maybe_unused exynos_clkout_suspend(struct device *dev)
>  {
>  	struct exynos_clkout *clkout = dev_get_drvdata(dev);
>  
> @@ -216,7 +216,7 @@ static int exynos_clkout_suspend(struct device *dev)
>  	return 0;
>  }
>  
> -static int exynos_clkout_resume(struct device *dev)
> +static int __maybe_unused exynos_clkout_resume(struct device *dev)
>  {
>  	struct exynos_clkout *clkout = dev_get_drvdata(dev);
>  
> -- 
> 2.27.0
>