1231  * pci_scan_bridge_extend() - Scan buses behind a bridge
1234  * @max: Starting subordinate number of buses behind this bridge
1235  * @available_buses: Total number of buses available for this bridge and
1237  *		     been allocated the remaining buses will be
1248  * them, we proceed to assigning numbers to the remaining buses in
1251  * Return: New subordinate number covering all buses behind this bridge.
1259 	u32 buses, i, j = 0;  in pci_scan_bridge_extend()  local
1273 	pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses);  in pci_scan_bridge_extend()
1274 	primary = buses & 0xFF;  in pci_scan_bridge_extend()
1275 	secondary = (buses >> 8) & 0xFF;  in pci_scan_bridge_extend()
1276 	subordinate = (buses >> 16) & 0xFF;  in pci_scan_bridge_extend()
1307 		unsigned int cmax, buses;  in pci_scan_bridge_extend()  local
1332 		buses = subordinate - secondary;  in pci_scan_bridge_extend()
1333 		cmax = pci_scan_child_bus_extend(child, buses);  in pci_scan_bridge_extend()
1359 						       buses & ~0xffffff);  in pci_scan_bridge_extend()
1390 		buses = (buses & 0xff000000)  in pci_scan_bridge_extend()
1400 			buses &= ~0xff000000;  in pci_scan_bridge_extend()
1401 			buses |= CARDBUS_LATENCY_TIMER << 24;  in pci_scan_bridge_extend()
1405 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);  in pci_scan_bridge_extend()
1481  * pci_scan_bridge() - Scan buses behind a bridge
1484  * @max: Starting subordinate number of buses behind this bridge
1494  * them, we proceed to assigning numbers to the remaining buses in
1497  * Return: New subordinate number covering all buses behind this bridge.
2882  * @available_buses: Total number of buses available (%0 does not try to
2885  * Scans devices below @bus including subordinate buses. Returns new
2905 	/* Reserve buses for SR-IOV capability */  in pci_scan_child_bus_extend()
2922 	 * buses between hotplug bridges.  in pci_scan_child_bus_extend()
2951 		unsigned int buses = 0;  in pci_scan_child_bus_extend()  local
2956 			 * port) so it gets all available buses which it  in pci_scan_child_bus_extend()
2960 			buses = available_buses;  in pci_scan_child_bus_extend()
2963 			 * Distribute the extra buses between hotplug  in pci_scan_child_bus_extend()
2966 			buses = available_buses / hotplug_bridges;  in pci_scan_child_bus_extend()
2967 			buses = min(buses, available_buses - used_buses + 1);  in pci_scan_child_bus_extend()
2971 		max = pci_scan_bridge_extend(bus, dev, cmax, buses, 1);  in pci_scan_child_bus_extend()
2979 	 * number of buses but allow it to grow up to the maximum available  in pci_scan_child_bus_extend()
2988 			/* Do not allocate more buses than we have room left */  in pci_scan_child_bus_extend()
3002 	 * Return how far we've got finding sub-buses.  in pci_scan_child_bus_extend()
3012  * Scans devices below @bus including subordinate buses. Returns new
3261  * Scan a PCI bus and child buses for new devices, add them,
3286  * Scan a PCI bus and child buses for new devices, add them,