dn->devfn = dn->busno = -1; dn->phb = phb; 
update_dn_pci_info(dn, phb); pdn = dn->data; if (pdn) { pdn->devfn = pdn->busno = -1; pdn->phb = phb; } 
void __devinit pci_devs_phb_init_dynamic(struct pci_controller *phb){	struct device_node * dn = (struct device_node *) phb->arch_data;	/* PHB nodes themselves must not match */	dn->devfn = dn->busno = -1;	dn->phb = phb;	/* Update dn->phb ptrs for new phb and children devices */	traverse_pci_devices(dn, update_dn_pci_info, phb);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/1635317facea3094ddf34082cd86797efb1d9f7e/pci_dn.c/clean/arch/ppc64/kernel/pci_dn.c