PCI_DEVFN
dev->pdev->devfn = PCI_DEVFN(pa->pa_device, pa->pa_function);
PCI_DEVFN(0, 3), HPLLCC, &hpllcc);
PCI_DEVFN(0, 0), I830_CLOCK_GATE, &val);
PCI_DEVFN(0, 0), I830_CLOCK_GATE, val);
i915->gmch.pdev = pci_get_domain_bus_and_slot(domain, 0, PCI_DEVFN(0, 0));
return PCI_DEVFN(0, 0);