39 static int check_args(struct pci_bus *bus, u32 devfn, u32 * bus_num)  in check_args()  argument
43 		*bus_num = bus->number;  in check_args()
45 		*bus_num = 0;  in check_args()
47 	if (*bus_num == 0) {  in check_args()
53 		if ((*bus_num >= 64) || (PCI_SLOT(devfn) >= 16))  in check_args()
59 static inline int set_pci_configuration_address(unsigned char bus_num,  in set_pci_configuration_address()  argument
65 	if (bus_num == 0)  in set_pci_configuration_address()
74 		config_win0 = (bus_num << 26) | (PCI_SLOT(devfn) << 22) |  in set_pci_configuration_address()
85 	u32 bus_num;  in pci_config_read()  local
92 	if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)  in pci_config_read()
97 	if (set_pci_configuration_address(bus_num, devfn, where) < 0)  in pci_config_read()
130 	u32 bus_num;  in pci_config_write()  local
136 	if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)  in pci_config_write()
141 	if (set_pci_configuration_address(bus_num, devfn, where) < 0)  in pci_config_write()