linux-kernel - Re: [PATCH] pci: Don't call resume callback for nearly bound devices

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Message-ID: <YYm6D0YMGEXGFsZL@rocinante>
Date:   Tue, 9 Nov 2021 01:00:15 +0100
From:   Krzysztof Wilczyński <kw@...ux.com>
To:     Robert Święcki <robert@...ecki.net>
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Bjorn Helgaas <helgaas@...nel.org>, linux-i2c@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pci: Don't call resume callback for nearly bound devices

Hello!

[...]
> > I didn't test this patch, @Robert, maybe you can do this?
> >
> > Best regards
> > Uwe
> >
> >  drivers/pci/pci-driver.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
> > index 1d98c974381c..202533654012 100644
> > --- a/drivers/pci/pci-driver.c
> > +++ b/drivers/pci/pci-driver.c
> > @@ -1299,7 +1299,7 @@ static int pci_pm_runtime_resume(struct device *dev)
> >          */
> >         pci_restore_standard_config(pci_dev);
> >
> > -       if (!to_pci_driver(dev->driver))
> > +       if (!device_is_bound(dev))
> >                 return 0;
> >
> >         pci_fixup_device(pci_fixup_resume_early, pci_dev);
> 
> Yes, that fixes it. Thanks for the patch.

Thank you Uwe for the patch and Robert for testing!

	Krzysztof