linux-kernel - Re: [PATCH] net: ethernet: ti: am65-cpsw: fix CONFIG

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Message-ID: <b72b0f7692e5693f214d6acea33b878bfb3a372c.camel@gmail.com>
Date:   Fri, 16 Dec 2022 08:14:24 -0800
From:   Alexander H Duyck <alexander.duyck@...il.com>
To:     Arnd Bergmann <arnd@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Roger Quadros <rogerq@...nel.org>,
        Siddharth Vadapalli <s-vadapalli@...com>,
        Jiri Pirko <jiri@...dia.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: ethernet: ti: am65-cpsw: fix CONFIG_PM #ifdef

On Thu, 2022-12-15 at 17:39 +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The #ifdef check is incorrect and leads to a warning:
> 
> drivers/net/ethernet/ti/am65-cpsw-nuss.c:1679:13: error: 'am65_cpsw_nuss_remove_rx_chns' defined but not used [-Werror=unused-function]
>  1679 | static void am65_cpsw_nuss_remove_rx_chns(void *data)
> 
> It's better to remove the #ifdef here and use the modern
> SYSTEM_SLEEP_PM_OPS() macro instead.
> 
> Fixes: 24bc19b05f1f ("net: ethernet: ti: am65-cpsw: Add suspend/resume support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/net/ethernet/ti/am65-cpsw-nuss.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
> index 9decb0c7961b..ecbde83b5243 100644
> --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
> +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
> @@ -2878,7 +2878,6 @@ static int am65_cpsw_nuss_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -#ifdef CONFIG_PM_SLEEP
>  static int am65_cpsw_nuss_suspend(struct device *dev)
>  {
>  	struct am65_cpsw_common *common = dev_get_drvdata(dev);
> @@ -2964,10 +2963,9 @@ static int am65_cpsw_nuss_resume(struct device *dev)
>  
>  	return 0;
>  }
> -#endif /* CONFIG_PM_SLEEP */
>  
>  static const struct dev_pm_ops am65_cpsw_nuss_dev_pm_ops = {
> -	SET_SYSTEM_SLEEP_PM_OPS(am65_cpsw_nuss_suspend, am65_cpsw_nuss_resume)
> +	SYSTEM_SLEEP_PM_OPS(am65_cpsw_nuss_suspend, am65_cpsw_nuss_resume)
>  };
>  
>  static struct platform_driver am65_cpsw_nuss_driver = {

Looks good to me.

Reviewed-by: Alexander Duyck <alexanderduyck@...com>