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From:   Vaibhav Gupta <vaibhavgupta40@gmail.com>
Date:   Tue, 7 Jul 2020 12:51:53 +0530
Message-ID: <CAP+cEOOUoD6f6DByqC-YF3WN1nO2BMUh5t39Ud6Vz6JEge7oKg@mail.gmail.com>
Subject: Re: linux-next: build warning after merge of the net-next tree
To:     Stephen Rothwell <sfr@canb.auug.org.au>
Cc:     David Miller <davem@davemloft.net>,
        Networking <netdev@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Tue, Jul 7, 2020 at 12:36 PM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Hi all,
>
> After merging the net-next tree, today's linux-next build (sparc64
> defconfig) produced this warning:
>
> drivers/net/ethernet/sun/niu.c:9903:12: warning: 'niu_resume' defined but not used [-Wunused-function]
>  static int niu_resume(struct device *dev_d)
>             ^~~~~~~~~~
> drivers/net/ethernet/sun/niu.c:9876:12: warning: 'niu_suspend' defined but not used [-Wunused-function]
>  static int niu_suspend(struct device *dev_d)
>             ^~~~~~~~~~~
>
> Introduced by commit
>
>   b0db0cc2f695 ("sun/niu: use generic power management")
This warning should not have come as the earlier definition of.suspend() and
.resume(), they were not inside "#ifdef CONFIG_PM" container. Or any other
container. Hence I thought adding the "__maybe_unused" attribute to them
would be unnecessary.

I am sending a patch to do the same.

-- Vaibhav Gupta
>
> --
> Cheers,
> Stephen Rothwell