netdev - Re: [PATCH net-next] ksz884x: mark pcidev_suspend() as __maybe

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Message-ID: <CAP+cEOM1tExZzxnkdtX9w2ZyPoFTJ+JxQw+q=ErWM1JJJc8w7Q@mail.gmail.com>
Date:   Thu, 2 Jul 2020 15:48:01 +0530
From:   Vaibhav Gupta <vaibhavgupta40@...il.com>
To:     Wei Yongjun <weiyongjun1@...wei.com>
Cc:     Hulk Robot <hulkci@...wei.com>, Jakub Kicinski <kuba@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        zhong jiang <zhongjiang@...wei.com>,
        Shannon Nelson <snelson@...sando.io>,
        Nikolay Aleksandrov <nikolay@...ulusnetworks.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Julian Wiedmann <jwi@...ux.ibm.com>, netdev@...r.kernel.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH net-next] ksz884x: mark pcidev_suspend() as __maybe_unused

On Thu, Jul 2, 2020 at 2:38 PM Wei Yongjun <weiyongjun1@...wei.com> wrote:
>
> In certain configurations without power management support, gcc report
> the following warning:
>
> drivers/net/ethernet/micrel/ksz884x.c:7182:12: warning:
>  'pcidev_suspend' defined but not used [-Wunused-function]
>  7182 | static int pcidev_suspend(struct device *dev_d)
>       |            ^~~~~~~~~~~~~~
>
> Mark pcidev_suspend() as __maybe_unused to make it clear.
>
> Fixes: 64120615d140 ("ksz884x: use generic power management")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
> ---
>  drivers/net/ethernet/micrel/ksz884x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
> index 24901342ecc0..2ce7304d3753 100644
> --- a/drivers/net/ethernet/micrel/ksz884x.c
> +++ b/drivers/net/ethernet/micrel/ksz884x.c
> @@ -7179,7 +7179,7 @@ static int __maybe_unused pcidev_resume(struct device *dev_d)
>         return 0;
>  }
>
> -static int pcidev_suspend(struct device *dev_d)
> +static int __maybe_unused pcidev_suspend(struct device *dev_d)
>  {
>         int i;
>         struct platform_info *info = dev_get_drvdata(dev_d);
>
This is a necessary fix. Thanks !
--Vaibhav Gupta