507 	u32 buses;  in pci_read_bridge_windows()  local
512 	pci_read_config_dword(bridge, PCI_PRIMARY_BUS, &buses);  in pci_read_bridge_windows()
514 	res.start = (buses >> 8) & 0xff;  in pci_read_bridge_windows()
515 	res.end = (buses >> 16) & 0xff;  in pci_read_bridge_windows()
1317  * pci_scan_bridge_extend() - Scan buses behind a bridge
1320  * @max: Starting subordinate number of buses behind this bridge
1321  * @available_buses: Total number of buses available for this bridge and
1323  *		     been allocated the remaining buses will be
1334  * them, we proceed to assigning numbers to the remaining buses in
1337  * Return: New subordinate number covering all buses behind this bridge.
1345 	u32 buses, i, j = 0;  in pci_scan_bridge_extend()  local
1359 	pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses);  in pci_scan_bridge_extend()
1360 	primary = buses & 0xFF;  in pci_scan_bridge_extend()
1361 	secondary = (buses >> 8) & 0xFF;  in pci_scan_bridge_extend()
1362 	subordinate = (buses >> 16) & 0xFF;  in pci_scan_bridge_extend()
1391 		unsigned int cmax, buses;  in pci_scan_bridge_extend()  local
1416 		buses = subordinate - secondary;  in pci_scan_bridge_extend()
1417 		cmax = pci_scan_child_bus_extend(child, buses);  in pci_scan_bridge_extend()
1443 						       buses & ~0xffffff);  in pci_scan_bridge_extend()
1474 		buses = (buses & 0xff000000)  in pci_scan_bridge_extend()
1484 			buses &= ~0xff000000;  in pci_scan_bridge_extend()
1485 			buses |= CARDBUS_LATENCY_TIMER << 24;  in pci_scan_bridge_extend()
1489 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);  in pci_scan_bridge_extend()
1568  * pci_scan_bridge() - Scan buses behind a bridge
1571  * @max: Starting subordinate number of buses behind this bridge
1581  * them, we proceed to assigning numbers to the remaining buses in
1584  * Return: New subordinate number covering all buses behind this bridge.
3018  * @available_buses: Total number of buses available (%0 does not try to
3021  * Scans devices below @bus including subordinate buses. Returns new
3041 	/* Reserve buses for SR-IOV capability */  in pci_scan_child_bus_extend()
3058 	 * buses between hotplug bridges.  in pci_scan_child_bus_extend()
3087 		unsigned int buses = 0;  in pci_scan_child_bus_extend()  local
3092 			 * port) so it gets all available buses which it  in pci_scan_child_bus_extend()
3096 			buses = available_buses;  in pci_scan_child_bus_extend()
3099 			 * Distribute the extra buses between hotplug  in pci_scan_child_bus_extend()
3102 			buses = available_buses / hotplug_bridges;  in pci_scan_child_bus_extend()
3103 			buses = min(buses, available_buses - used_buses + 1);  in pci_scan_child_bus_extend()
3107 		max = pci_scan_bridge_extend(bus, dev, cmax, buses, 1);  in pci_scan_child_bus_extend()
3115 	 * number of buses but allow it to grow up to the maximum available  in pci_scan_child_bus_extend()
3124 			/* Do not allocate more buses than we have room left */  in pci_scan_child_bus_extend()
3138 	 * Return how far we've got finding sub-buses.  in pci_scan_child_bus_extend()
3148  * Scans devices below @bus including subordinate buses. Returns new
3410  * Scan a PCI bus and child buses for new devices, add them,
3435  * Scan a PCI bus and child buses for new devices, add them,