1190  * pci_scan_bridge_extend() - Scan buses behind a bridge
1193  * @max: Starting subordinate number of buses behind this bridge
1194  * @available_buses: Total number of buses available for this bridge and
1196  *		     been allocated the remaining buses will be
1207  * them, we proceed to assigning numbers to the remaining buses in
1210  * Return: New subordinate number covering all buses behind this bridge.
1218 	u32 buses, i, j = 0;  in pci_scan_bridge_extend()  local
1232 	pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses);  in pci_scan_bridge_extend()
1233 	primary = buses & 0xFF;  in pci_scan_bridge_extend()
1234 	secondary = (buses >> 8) & 0xFF;  in pci_scan_bridge_extend()
1235 	subordinate = (buses >> 16) & 0xFF;  in pci_scan_bridge_extend()
1317 						       buses & ~0xffffff);  in pci_scan_bridge_extend()
1348 		buses = (buses & 0xff000000)  in pci_scan_bridge_extend()
1358 			buses &= ~0xff000000;  in pci_scan_bridge_extend()
1359 			buses |= CARDBUS_LATENCY_TIMER << 24;  in pci_scan_bridge_extend()
1363 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);  in pci_scan_bridge_extend()
1439  * pci_scan_bridge() - Scan buses behind a bridge
1442  * @max: Starting subordinate number of buses behind this bridge
1452  * them, we proceed to assigning numbers to the remaining buses in
1455  * Return: New subordinate number covering all buses behind this bridge.
2799  * @available_buses: Total number of buses available (%0 does not try to
2802  * Scans devices below @bus including subordinate buses. Returns new
2837 	/* Reserve buses for SR-IOV capability */  in pci_scan_child_bus_extend()
2854 	 * buses between hotplug bridges.  in pci_scan_child_bus_extend()
2883 		unsigned int buses = 0;  in pci_scan_child_bus_extend()  local
2889 			 * port) so it gets all available buses which it  in pci_scan_child_bus_extend()
2893 			buses = available_buses;  in pci_scan_child_bus_extend()
2897 			 * Distribute the extra buses between hotplug  in pci_scan_child_bus_extend()
2900 			buses = available_buses / hotplug_bridges;  in pci_scan_child_bus_extend()
2901 			buses = min(buses, available_buses - used_buses + 1);  in pci_scan_child_bus_extend()
2905 		max = pci_scan_bridge_extend(bus, dev, cmax, buses, 1);  in pci_scan_child_bus_extend()
2913 	 * number of buses but allow it to grow up to the maximum available  in pci_scan_child_bus_extend()
2922 			/* Do not allocate more buses than we have room left */  in pci_scan_child_bus_extend()
2936 	 * Return how far we've got finding sub-buses.  in pci_scan_child_bus_extend()
2946  * Scans devices below @bus including subordinate buses. Returns new
3195  * Scan a PCI bus and child buses for new devices, add them,
3220  * Scan a PCI bus and child buses for new devices, add them,