505 	u32 buses;  in pci_read_bridge_windows()  local
510 	pci_read_config_dword(bridge, PCI_PRIMARY_BUS, &buses);  in pci_read_bridge_windows()
512 	res.start = (buses >> 8) & 0xff;  in pci_read_bridge_windows()
513 	res.end = (buses >> 16) & 0xff;  in pci_read_bridge_windows()
1312  * pci_scan_bridge_extend() - Scan buses behind a bridge
1315  * @max: Starting subordinate number of buses behind this bridge
1316  * @available_buses: Total number of buses available for this bridge and
1318  *		     been allocated the remaining buses will be
1329  * them, we proceed to assigning numbers to the remaining buses in
1332  * Return: New subordinate number covering all buses behind this bridge.
1340 	u32 buses, i, j = 0;  in pci_scan_bridge_extend()  local
1354 	pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses);  in pci_scan_bridge_extend()
1355 	primary = buses & 0xFF;  in pci_scan_bridge_extend()
1356 	secondary = (buses >> 8) & 0xFF;  in pci_scan_bridge_extend()
1357 	subordinate = (buses >> 16) & 0xFF;  in pci_scan_bridge_extend()
1386 		unsigned int cmax, buses;  in pci_scan_bridge_extend()  local
1411 		buses = subordinate - secondary;  in pci_scan_bridge_extend()
1412 		cmax = pci_scan_child_bus_extend(child, buses);  in pci_scan_bridge_extend()
1438 						       buses & ~0xffffff);  in pci_scan_bridge_extend()
1469 		buses = (buses & 0xff000000)  in pci_scan_bridge_extend()
1479 			buses &= ~0xff000000;  in pci_scan_bridge_extend()
1480 			buses |= CARDBUS_LATENCY_TIMER << 24;  in pci_scan_bridge_extend()
1484 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);  in pci_scan_bridge_extend()
1563  * pci_scan_bridge() - Scan buses behind a bridge
1566  * @max: Starting subordinate number of buses behind this bridge
1576  * them, we proceed to assigning numbers to the remaining buses in
1579  * Return: New subordinate number covering all buses behind this bridge.
2971  * @available_buses: Total number of buses available (%0 does not try to
2974  * Scans devices below @bus including subordinate buses. Returns new
2994 	/* Reserve buses for SR-IOV capability */  in pci_scan_child_bus_extend()
3011 	 * buses between hotplug bridges.  in pci_scan_child_bus_extend()
3040 		unsigned int buses = 0;  in pci_scan_child_bus_extend()  local
3045 			 * port) so it gets all available buses which it  in pci_scan_child_bus_extend()
3049 			buses = available_buses;  in pci_scan_child_bus_extend()
3052 			 * Distribute the extra buses between hotplug  in pci_scan_child_bus_extend()
3055 			buses = available_buses / hotplug_bridges;  in pci_scan_child_bus_extend()
3056 			buses = min(buses, available_buses - used_buses + 1);  in pci_scan_child_bus_extend()
3060 		max = pci_scan_bridge_extend(bus, dev, cmax, buses, 1);  in pci_scan_child_bus_extend()
3068 	 * number of buses but allow it to grow up to the maximum available  in pci_scan_child_bus_extend()
3077 			/* Do not allocate more buses than we have room left */  in pci_scan_child_bus_extend()
3091 	 * Return how far we've got finding sub-buses.  in pci_scan_child_bus_extend()
3101  * Scans devices below @bus including subordinate buses. Returns new
3363  * Scan a PCI bus and child buses for new devices, add them,
3388  * Scan a PCI bus and child buses for new devices, add them,