On Tuesday 06 January 2009, Bjorn Helgaas wrote:
> On Sunday 04 January 2009 03:08:42 pm Rafael J. Wysocki wrote:
> > pcibios_enable_device() and pcibios_disable_device() don't handle
> > IRQs for devices that have MSI enabled and it should tread the
> > devices with MSI-X enabled in the same way.
>
> There are other places that need similar fixes, too, aren't there?
> I see cris, frv, ia64, and a driver or two testing dev->msi_enabled.
Well, I didn't look at the other places, just found this one while reviewing
the code.
I'll check them later this week.
> > --- linux-2.6.orig/arch/x86/pci/common.c
> > +++ linux-2.6/arch/x86/pci/common.c
> > @@ -551,14 +551,14 @@ int pcibios_enable_device(struct pci_dev
> > if ((err = pci_enable_resources(dev, mask)) < 0)
> > return err;
> >
> > - if (!dev->msi_enabled)
> > + if (!dev->msi_enabled && !dev->msix_enabled)
> > return pcibios_enable_irq(dev);
> > return 0;
> > }
> >
> > void pcibios_disable_device (struct pci_dev *dev)
> > {
> > - if (!dev->msi_enabled && pcibios_disable_irq)
> > + if (!dev->msi_enabled && !dev->msix_enabled && pcibios_disable_irq)
> > pcibios_disable_irq(dev);
> > }
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