linux-kernel - Re: [PATCH v2] extcon: max14526: avoid defined but not used warning

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Message-ID: <CAGTfZH2jhA-vqEpRXmQmn-+5Zq8tJy83Y_iCdC2XMb=hR4HKQA@mail.gmail.com>
Date: Thu, 15 May 2025 23:40:52 +0900
From: Chanwoo Choi <chanwoo@...nel.org>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: linux-kernel@...r.kernel.org, Svyatoslav Ryhel <clamor95@...il.com>, 
	Chanwoo Choi <cw00.choi@...sung.com>, MyungJoo Ham <myungjoo.ham@...sung.com>
Subject: Re: [PATCH v2] extcon: max14526: avoid defined but not used warning

Hi,

Applit it. Thanks.

On Wed, May 14, 2025 at 6:03 AM Randy Dunlap <rdunlap@...radead.org> wrote:
>
> SIMPLE_PM_DEV_OPS() is deprecated according to <linux/pm.h>.
> Use DEFINE_SIMPLE_PM_DEV_OPS() instead. This avoids a build warning
> when CONFIG_PM is not enabled:
>
> drivers/extcon/extcon-max14526.c:265:12: warning: ‘max14526_resume’ defined but not used [-Wunused-function]
>   265 | static int max14526_resume(struct device *dev)
>
> Fixes: c2aeb8647e53 ("extcon: Add basic support for Maxim MAX14526 MUIC")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Svyatoslav Ryhel <clamor95@...il.com>
> Cc: Chanwoo Choi <cw00.choi@...sung.com>
> Cc: MyungJoo Ham <myungjoo.ham@...sung.com>
> ---
> v2: adjust patch subject to be consistent with other extcon patches
>
>  drivers/extcon/extcon-max14526.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux-next-20250512.orig/drivers/extcon/extcon-max14526.c
> +++ linux-next-20250512/drivers/extcon/extcon-max14526.c
> @@ -272,7 +272,7 @@ static int max14526_resume(struct device
>         return 0;
>  }
>
> -static SIMPLE_DEV_PM_OPS(max14526_pm_ops, NULL, max14526_resume);
> +static DEFINE_SIMPLE_DEV_PM_OPS(max14526_pm_ops, NULL, max14526_resume);
>
>  static const struct of_device_id max14526_match[] = {
>         { .compatible = "maxim,max14526" },
>


-- 
Best Regards,
Chanwoo Choi
Samsung Electronics