linux-kernel - Re: build failure of next-20220906 due to 4ec7ac90ff39 ("misc: microchip: pci1xxxx: Add power management functions

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Message-ID: <Yxg1Z6YoFiCE8ORo@kroah.com>
Date:   Wed, 7 Sep 2022 08:08:39 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-gpio@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-next <linux-next@...r.kernel.org>
Subject: Re: build failure of next-20220906 due to 4ec7ac90ff39 ("misc:
 microchip: pci1xxxx: Add power management functions - suspend & resume
 handlers.")

On Tue, Sep 06, 2022 at 10:07:53PM +0100, Sudip Mukherjee wrote:
> Hi Greg,
> 
> On Tue, Sep 6, 2022 at 6:15 PM Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> >
> > On Tue, Sep 06, 2022 at 03:23:22PM +0100, Sudip Mukherjee (Codethink) wrote:
> > > Hi All,
> > >
> > > The builds of riscv, s390, csky, alpha and loongarch allmodconfig have
> > > failed to build next-20220906 with the error:
> > >
> > >
> > > drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c:311:12: error: 'pci1xxxx_gpio_resume' defined but not used [-Werror=unused-function]
> > >   311 | static int pci1xxxx_gpio_resume(struct device *dev)
> > >       |            ^~~~~~~~~~~~~~~~~~~~
> > > drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c:295:12: error: 'pci1xxxx_gpio_suspend' defined but not used [-Werror=unused-function]
> > >   295 | static int pci1xxxx_gpio_suspend(struct device *dev)
> > >       |            ^~~~~~~~~~~~~~~~~~~~~
> > >
> > >
> > > git bisect pointed to 4ec7ac90ff39 ("misc: microchip: pci1xxxx: Add power management functions - suspend & resume handlers.").
> > >
> > > I will be happy to test any patch or provide any extra log if needed.
> >
> > Hopefully this commit will fix this:
> >         https://lore.kernel.org/r/20220906124951.696776-1-kumaravel.thiagarajan@microchip.com
> 
> No, it didn't.  :(
> 
> Looking at other drivers which uses SIMPLE_DEV_PM_OPS, I think
> pci1xxxx_gpio_suspend() and pci1xxxx_gpio_resume() needs to be under
> "#ifdef CONFIG_PM_SLEEP".

Great, Kumaravel, can you send a fixup patch for this?

thanks,

greg k-h