Re: [PATCH 1/3] PCI PM: Do not disable and enable bridges duringsuspend-resume

From: Pavel Machek
Date: Sun Feb 08 2009 - 04:12:49 EST


Hi!

> > > their standard config spaces are restored. Fix this by not attempting
> > > to disable bridges during suspend and enable them during resume.
> > ...
> > > @@ -428,16 +428,18 @@ static int pci_pm_default_resume(struct
> > > {
> > > pci_fixup_device(pci_fixup_resume, pci_dev);
> > >
> > > - if (!pci_is_bridge(pci_dev))
> > > - pci_enable_wake(pci_dev, PCI_D0, false);
> > > + if (pci_is_bridge(pci_dev))
> > > + return 0;
> > >
> > > + pci_enable_wake(pci_dev, PCI_D0, false);
> > > return pci_pm_reenable_device(pci_dev);
> > > }
> >
> > Are you sure? This goes from doing reenable_device to not doing it for
> > bridges, seemingly contradicting changelog?
>
> Can you explain what you mean, please?

It looks to me like the patch does not match the changelog.

Changelog says "enable bridge during resume", but code does return 0
if it seems bridge.
Pavel
--
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