1224  * pci_scan_bridge_extend() - Scan buses behind a bridge
1227  * @max: Starting subordinate number of buses behind this bridge
1228  * @available_buses: Total number of buses available for this bridge and
1230  *		     been allocated the remaining buses will be
1241  * them, we proceed to assigning numbers to the remaining buses in
1244  * Return: New subordinate number covering all buses behind this bridge.
1252 	u32 buses, i, j = 0;  in pci_scan_bridge_extend()  local
1266 	pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses);  in pci_scan_bridge_extend()
1267 	primary = buses & 0xFF;  in pci_scan_bridge_extend()
1268 	secondary = (buses >> 8) & 0xFF;  in pci_scan_bridge_extend()
1269 	subordinate = (buses >> 16) & 0xFF;  in pci_scan_bridge_extend()
1300 		unsigned int cmax, buses;  in pci_scan_bridge_extend()  local
1325 		buses = subordinate - secondary;  in pci_scan_bridge_extend()
1326 		cmax = pci_scan_child_bus_extend(child, buses);  in pci_scan_bridge_extend()
1352 						       buses & ~0xffffff);  in pci_scan_bridge_extend()
1383 		buses = (buses & 0xff000000)  in pci_scan_bridge_extend()
1393 			buses &= ~0xff000000;  in pci_scan_bridge_extend()
1394 			buses |= CARDBUS_LATENCY_TIMER << 24;  in pci_scan_bridge_extend()
1398 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);  in pci_scan_bridge_extend()
1474  * pci_scan_bridge() - Scan buses behind a bridge
1477  * @max: Starting subordinate number of buses behind this bridge
1487  * them, we proceed to assigning numbers to the remaining buses in
1490  * Return: New subordinate number covering all buses behind this bridge.
2861  * @available_buses: Total number of buses available (%0 does not try to
2864  * Scans devices below @bus including subordinate buses. Returns new
2884 	/* Reserve buses for SR-IOV capability */  in pci_scan_child_bus_extend()
2901 	 * buses between hotplug bridges.  in pci_scan_child_bus_extend()
2930 		unsigned int buses = 0;  in pci_scan_child_bus_extend()  local
2935 			 * port) so it gets all available buses which it  in pci_scan_child_bus_extend()
2939 			buses = available_buses;  in pci_scan_child_bus_extend()
2942 			 * Distribute the extra buses between hotplug  in pci_scan_child_bus_extend()
2945 			buses = available_buses / hotplug_bridges;  in pci_scan_child_bus_extend()
2946 			buses = min(buses, available_buses - used_buses + 1);  in pci_scan_child_bus_extend()
2950 		max = pci_scan_bridge_extend(bus, dev, cmax, buses, 1);  in pci_scan_child_bus_extend()
2958 	 * number of buses but allow it to grow up to the maximum available  in pci_scan_child_bus_extend()
2967 			/* Do not allocate more buses than we have room left */  in pci_scan_child_bus_extend()
2981 	 * Return how far we've got finding sub-buses.  in pci_scan_child_bus_extend()
2991  * Scans devices below @bus including subordinate buses. Returns new
3240  * Scan a PCI bus and child buses for new devices, add them,
3265  * Scan a PCI bus and child buses for new devices, add them,