linux-kernel - Re: [PATCH -next] crypto: sl3516 - Fix build warning without CONFIG

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Date:   Thu, 17 Jun 2021 15:00:34 +0200
From:   LABBE Corentin <clabbe@...libre.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     ulli.kroll@...glemail.com, linus.walleij@...aro.org,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] crypto: sl3516 - Fix build warning without
 CONFIG_PM

Le Thu, Jun 17, 2021 at 11:51:29AM +0800, YueHaibing a écrit :
> drivers/crypto/gemini/sl3516-ce-core.c:345:12:
>  warning: ‘sl3516_ce_pm_resume’ defined but not used [-Wunused-function]
>  static int sl3516_ce_pm_resume(struct device *dev)
>             ^~~~~~~~~~~~~~~~~~~
> 
> Use #ifdef macro to guard this.
> 
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
>  drivers/crypto/gemini/sl3516-ce-core.c | 2 ++
>  1 file changed, 2 insertions(+)
> 

Hello

Thanks for the report, but I am sorry and need to NAK this patch.

The driver needs PM, without it, clock and resets are never set.
The correct fix is to add "depends on PM".

Regards