70 static void __iomem *iproc_pcie_map_cfg_bus(struct pci_bus *bus,  in iproc_pcie_map_cfg_bus()  argument
74 	struct pci_sys_data *sys = bus->sysdata;  in iproc_pcie_map_cfg_bus()
78 	unsigned busno = bus->number;  in iproc_pcie_map_cfg_bus()
126 static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)  in iproc_pcie_check_link()  argument
134 	pci_bus_read_config_byte(bus, 0, PCI_HEADER_TYPE, &hdr_type);  in iproc_pcie_check_link()
141 	pci_bus_write_config_word(bus, 0, PCI_CLASS_DEVICE,  in iproc_pcie_check_link()
145 	pos = pci_bus_find_capability(bus, 0, PCI_CAP_ID_EXP);  in iproc_pcie_check_link()
146 	pci_bus_read_config_word(bus, 0, pos + PCI_EXP_LNKSTA, &link_status);  in iproc_pcie_check_link()
156 		pci_bus_read_config_dword(bus, 0,  in iproc_pcie_check_link()
163 			pci_bus_write_config_dword(bus, 0,  in iproc_pcie_check_link()
168 			pos = pci_bus_find_capability(bus, 0, PCI_CAP_ID_EXP);  in iproc_pcie_check_link()
169 			pci_bus_read_config_word(bus, 0, pos + PCI_EXP_LNKSTA,  in iproc_pcie_check_link()
189 	struct pci_bus *bus;  in iproc_pcie_setup()  local
213 	bus = pci_create_root_bus(pcie->dev, 0, &iproc_pcie_ops,  in iproc_pcie_setup()
215 	if (!bus) {  in iproc_pcie_setup()
220 	pcie->root_bus = bus;  in iproc_pcie_setup()
222 	ret = iproc_pcie_check_link(pcie, bus);  in iproc_pcie_setup()
230 	pci_scan_child_bus(bus);  in iproc_pcie_setup()
231 	pci_assign_unassigned_bus_resources(bus);  in iproc_pcie_setup()
233 	pci_bus_add_devices(bus);  in iproc_pcie_setup()
238 	pci_stop_root_bus(bus);  in iproc_pcie_setup()
239 	pci_remove_root_bus(bus);  in iproc_pcie_setup()