281 	pcibios_bus_to_resource(dev->bus, res, &region);  in __pci_read_base()
282 	pcibios_resource_to_bus(dev->bus, &inverted_region, res);  in __pci_read_base()
373 		pcibios_bus_to_resource(dev->bus, res, &region);  in pci_read_bridge_io()
395 		pcibios_bus_to_resource(dev->bus, res, &region);  in pci_read_bridge_mmio()
448 		pcibios_bus_to_resource(dev->bus, res, &region);  in pci_read_bridge_mmio_pref()
530 	bridge->bus = b;  in pci_alloc_host_bridge()
572 void pcie_update_link_speed(struct pci_bus *bus, u16 linksta)  in pcie_update_link_speed()  argument
574 	bus->cur_bus_speed = pcie_link_speed[linksta & PCI_EXP_LNKSTA_CLS];  in pcie_update_link_speed()
609 static void pci_set_bus_speed(struct pci_bus *bus)  in pci_set_bus_speed()  argument
611 	struct pci_dev *bridge = bus->self;  in pci_set_bus_speed()
621 		bus->max_bus_speed = agp_speed(agpstat & 8, agpstat & 7);  in pci_set_bus_speed()
624 		bus->cur_bus_speed = agp_speed(agpstat & 8, agpcmd & 7);  in pci_set_bus_speed()
648 		bus->max_bus_speed = max;  in pci_set_bus_speed()
649 		bus->cur_bus_speed = pcix_bus_speed[  in pci_set_bus_speed()
660 		bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS];  in pci_set_bus_speed()
663 		pcie_update_link_speed(bus, linksta);  in pci_set_bus_speed()
767 int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)  in pci_scan_bridge()  argument
784 	if (!primary && (primary != bus->number) && secondary && subordinate) {  in pci_scan_bridge()
786 		primary = bus->number;  in pci_scan_bridge()
791 	    (primary != bus->number || secondary <= bus->number ||  in pci_scan_bridge()
822 		child = pci_find_bus(pci_domain_nr(bus), secondary);  in pci_scan_bridge()
824 			child = pci_add_new_bus(bus, dev, secondary);  in pci_scan_bridge()
863 		child = pci_find_bus(pci_domain_nr(bus), max+1);  in pci_scan_bridge()
865 			child = pci_add_new_bus(bus, dev, max+1);  in pci_scan_bridge()
900 				struct pci_bus *parent = bus;  in pci_scan_bridge()
901 				if (pci_find_bus(pci_domain_nr(bus),  in pci_scan_bridge()
933 		pci_domain_nr(bus), child->number);  in pci_scan_bridge()
936 	while (bus->parent) {  in pci_scan_bridge()
937 		if ((child->busn_res.end > bus->busn_res.end) ||  in pci_scan_bridge()
938 		    (child->number > bus->busn_res.end) ||  in pci_scan_bridge()
939 		    (child->number < bus->number) ||  in pci_scan_bridge()
940 		    (child->busn_res.end < bus->number)) {  in pci_scan_bridge()
943 				(bus->number > child->busn_res.end &&  in pci_scan_bridge()
944 				 bus->busn_res.end < child->number) ?  in pci_scan_bridge()
946 				bus->self->transparent ? " transparent" : "",  in pci_scan_bridge()
947 				dev_name(&bus->dev),  in pci_scan_bridge()
948 				&bus->busn_res);  in pci_scan_bridge()
950 		bus = bus->parent;  in pci_scan_bridge()
1132 	dev->sysdata = dev->bus->sysdata;  in pci_setup_device()
1133 	dev->dev.parent = dev->bus->bridge;  in pci_setup_device()
1134 	dev->dev.bus = &pci_bus_type;  in pci_setup_device()
1140 	list_for_each_entry(slot, &dev->bus->slots, list)  in pci_setup_device()
1148 	dev_set_name(&dev->dev, "%04x:%02x:%02x.%d", pci_domain_nr(dev->bus),  in pci_setup_device()
1149 		     dev->bus->number, PCI_SLOT(dev->devfn),  in pci_setup_device()
1203 				pcibios_bus_to_resource(dev->bus, res, &region);  in pci_setup_device()
1210 				pcibios_bus_to_resource(dev->bus, res, &region);  in pci_setup_device()
1219 				pcibios_bus_to_resource(dev->bus, res, &region);  in pci_setup_device()
1226 				pcibios_bus_to_resource(dev->bus, res, &region);  in pci_setup_device()
1427 	pci_bus_put(pci_dev->bus);  in pci_release_dev()
1432 struct pci_dev *pci_alloc_dev(struct pci_bus *bus)  in pci_alloc_dev()  argument
1442 	dev->bus = pci_bus_get(bus);  in pci_alloc_dev()
1448 bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,  in pci_bus_read_dev_vendor_id()  argument
1453 	if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, l))  in pci_bus_read_dev_vendor_id()
1473 		if (pci_bus_read_config_dword(bus, devfn, PCI_VENDOR_ID, l))  in pci_bus_read_dev_vendor_id()
1478 			       pci_domain_nr(bus), bus->number, PCI_SLOT(devfn),  in pci_bus_read_dev_vendor_id()
1492 static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)  in pci_scan_device()  argument
1497 	if (!pci_bus_read_dev_vendor_id(bus, devfn, &l, 60*1000))  in pci_scan_device()
1500 	dev = pci_alloc_dev(bus);  in pci_scan_device()
1511 		pci_bus_put(dev->bus);  in pci_scan_device()
1543 void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)  in pci_device_add()  argument
1552 	set_dev_node(&dev->dev, pcibus_to_node(bus));  in pci_device_add()
1578 	list_add_tail(&dev->bus_list, &bus->devices);  in pci_device_add()
1590 struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn)  in pci_scan_single_device()  argument
1594 	dev = pci_get_slot(bus, devfn);  in pci_scan_single_device()
1600 	dev = pci_scan_device(bus, devfn);  in pci_scan_single_device()
1604 	pci_device_add(dev, bus);  in pci_scan_single_device()
1610 static unsigned next_fn(struct pci_bus *bus, struct pci_dev *dev, unsigned fn)  in next_fn()  argument
1616 	if (pci_ari_enabled(bus)) {  in next_fn()
1638 static int only_one_child(struct pci_bus *bus)  in only_one_child()  argument
1640 	struct pci_dev *parent = bus->self;  in only_one_child()
1663 int pci_scan_slot(struct pci_bus *bus, int devfn)  in pci_scan_slot()  argument
1668 	if (only_one_child(bus) && (devfn > 0))  in pci_scan_slot()
1671 	dev = pci_scan_single_device(bus, devfn);  in pci_scan_slot()
1677 	for (fn = next_fn(bus, dev, 0); fn > 0; fn = next_fn(bus, dev, fn)) {  in pci_scan_slot()
1678 		dev = pci_scan_single_device(bus, devfn + fn);  in pci_scan_slot()
1687 	if (bus->self && nr)  in pci_scan_slot()
1688 		pcie_aspm_init_link_state(bus->self);  in pci_scan_slot()
1734 		    dev->bus->self)  in pcie_write_mps()
1747 			mps = min(mps, pcie_get_mps(dev->bus->self));  in pcie_write_mps()
1792 	struct pci_dev *bridge = dev->bus->self;  in pcie_bus_detect_mps()
1835 void pcie_bus_configure_settings(struct pci_bus *bus)  in pcie_bus_configure_settings()  argument
1839 	if (!bus->self)  in pcie_bus_configure_settings()
1842 	if (!pci_is_pcie(bus->self))  in pcie_bus_configure_settings()
1853 		smpss = bus->self->pcie_mpss;  in pcie_bus_configure_settings()
1855 		pcie_find_smpss(bus->self, &smpss);  in pcie_bus_configure_settings()
1856 		pci_walk_bus(bus, pcie_find_smpss, &smpss);  in pcie_bus_configure_settings()
1859 	pcie_bus_configure_set(bus->self, &smpss);  in pcie_bus_configure_settings()
1860 	pci_walk_bus(bus, pcie_bus_configure_set, &smpss);  in pcie_bus_configure_settings()
1864 unsigned int pci_scan_child_bus(struct pci_bus *bus)  in pci_scan_child_bus()  argument
1866 	unsigned int devfn, pass, max = bus->busn_res.start;  in pci_scan_child_bus()
1869 	dev_dbg(&bus->dev, "scanning bus\n");  in pci_scan_child_bus()
1873 		pci_scan_slot(bus, devfn);  in pci_scan_child_bus()
1876 	max += pci_iov_bus_range(bus);  in pci_scan_child_bus()
1882 	if (!bus->is_added) {  in pci_scan_child_bus()
1883 		dev_dbg(&bus->dev, "fixups for bus\n");  in pci_scan_child_bus()
1884 		pcibios_fixup_bus(bus);  in pci_scan_child_bus()
1885 		bus->is_added = 1;  in pci_scan_child_bus()
1889 		list_for_each_entry(dev, &bus->devices, bus_list) {  in pci_scan_child_bus()
1891 				max = pci_scan_bridge(bus, dev, max, pass);  in pci_scan_child_bus()
1901 	dev_dbg(&bus->dev, "bus scan returning with max=%02x\n", max);  in pci_scan_child_bus()
1918 void __weak pcibios_add_bus(struct pci_bus *bus)  in pcibios_add_bus()  argument
1922 void __weak pcibios_remove_bus(struct pci_bus *bus)  in pcibios_remove_bus()  argument
1926 struct pci_bus *pci_create_root_bus(struct device *parent, int bus,  in pci_create_root_bus()  argument
1944 	b->number = b->busn_res.start = bus;  in pci_create_root_bus()
1946 	b2 = pci_find_bus(pci_domain_nr(b), bus);  in pci_create_root_bus()
1959 	dev_set_name(&bridge->dev, "pci%04x:%02x", pci_domain_nr(b), bus);  in pci_create_root_bus()
1980 	dev_set_name(&b->dev, "%04x:%02x", pci_domain_nr(b), bus);  in pci_create_root_bus()
2001 			pci_bus_insert_busn_res(b, bus, res->end);  in pci_create_root_bus()
2032 int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int bus_max)  in pci_bus_insert_busn_res()  argument
2037 	res->start = bus;  in pci_bus_insert_busn_res()
2095 struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,  in pci_scan_root_bus()  argument
2109 	b = pci_create_root_bus(parent, bus, ops, sysdata, resources);  in pci_scan_root_bus()
2116 			bus);  in pci_scan_root_bus()
2117 		pci_bus_insert_busn_res(b, bus, 255);  in pci_scan_root_bus()
2131 		int bus, struct pci_ops *ops, void *sysdata)  in pci_scan_bus_parented()  argument
2139 	b = pci_create_root_bus(parent, bus, ops, sysdata, &resources);  in pci_scan_bus_parented()
2148 struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops,  in pci_scan_bus()  argument
2157 	b = pci_create_root_bus(NULL, bus, ops, sysdata, &resources);  in pci_scan_bus()
2181 	struct pci_bus *bus = bridge->subordinate;  in pci_rescan_bus_bridge_resize()  local
2183 	max = pci_scan_child_bus(bus);  in pci_rescan_bus_bridge_resize()
2187 	pci_bus_add_devices(bus);  in pci_rescan_bus_bridge_resize()
2201 unsigned int pci_rescan_bus(struct pci_bus *bus)  in pci_rescan_bus()  argument
2205 	max = pci_scan_child_bus(bus);  in pci_rescan_bus()
2206 	pci_assign_unassigned_bus_resources(bus);  in pci_rescan_bus()
2207 	pci_bus_add_devices(bus);  in pci_rescan_bus()
2237 	if      (pci_domain_nr(a->bus) < pci_domain_nr(b->bus)) return -1;  in pci_sort_bf_cmp()
2238 	else if (pci_domain_nr(a->bus) > pci_domain_nr(b->bus)) return  1;  in pci_sort_bf_cmp()
2240 	if      (a->bus->number < b->bus->number) return -1;  in pci_sort_bf_cmp()
2241 	else if (a->bus->number > b->bus->number) return  1;  in pci_sort_bf_cmp()