60 	struct gen_pci *pci = bus->sysdata;  in gen_pci_map_cfg_bus_cam()  local
61 	resource_size_t idx = bus->number - pci->cfg.bus_range->start;  in gen_pci_map_cfg_bus_cam()
63 	return pci->cfg.win[idx] + ((devfn << 8) | where);  in gen_pci_map_cfg_bus_cam()
79 	struct gen_pci *pci = bus->sysdata;  in gen_pci_map_cfg_bus_ecam()  local
80 	resource_size_t idx = bus->number - pci->cfg.bus_range->start;  in gen_pci_map_cfg_bus_ecam()
82 	return pci->cfg.win[idx] + ((devfn << 12) | where);  in gen_pci_map_cfg_bus_ecam()
105 static void gen_pci_release_of_pci_ranges(struct gen_pci *pci)  in gen_pci_release_of_pci_ranges()  argument
107 	pci_free_resource_list(&pci->resources);  in gen_pci_release_of_pci_ranges()
110 static int gen_pci_parse_request_of_pci_ranges(struct gen_pci *pci)  in gen_pci_parse_request_of_pci_ranges()  argument
113 	struct device *dev = pci->host.dev.parent;  in gen_pci_parse_request_of_pci_ranges()
118 	err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pci->resources,  in gen_pci_parse_request_of_pci_ranges()
123 	resource_list_for_each_entry(win, &pci->resources) {  in gen_pci_parse_request_of_pci_ranges()
141 			pci->cfg.bus_range = res;  in gen_pci_parse_request_of_pci_ranges()
160 	gen_pci_release_of_pci_ranges(pci);  in gen_pci_parse_request_of_pci_ranges()
164 static int gen_pci_parse_map_cfg_windows(struct gen_pci *pci)  in gen_pci_parse_map_cfg_windows()  argument
170 	struct device *dev = pci->host.dev.parent;  in gen_pci_parse_map_cfg_windows()
172 	u32 sz = 1 << pci->cfg.ops->bus_shift;  in gen_pci_parse_map_cfg_windows()
174 	err = of_address_to_resource(np, 0, &pci->cfg.res);  in gen_pci_parse_map_cfg_windows()
181 	bus_max = pci->cfg.bus_range->start +  in gen_pci_parse_map_cfg_windows()
182 		  (resource_size(&pci->cfg.res) >> pci->cfg.ops->bus_shift) - 1;  in gen_pci_parse_map_cfg_windows()
183 	pci->cfg.bus_range->end = min_t(resource_size_t,  in gen_pci_parse_map_cfg_windows()
184 					pci->cfg.bus_range->end, bus_max);  in gen_pci_parse_map_cfg_windows()
186 	pci->cfg.win = devm_kcalloc(dev, resource_size(pci->cfg.bus_range),  in gen_pci_parse_map_cfg_windows()
187 				    sizeof(*pci->cfg.win), GFP_KERNEL);  in gen_pci_parse_map_cfg_windows()
188 	if (!pci->cfg.win)  in gen_pci_parse_map_cfg_windows()
192 	if (!devm_request_mem_region(dev, pci->cfg.res.start,  in gen_pci_parse_map_cfg_windows()
193 				     resource_size(&pci->cfg.res),  in gen_pci_parse_map_cfg_windows()
197 	bus_range = pci->cfg.bus_range;  in gen_pci_parse_map_cfg_windows()
201 		pci->cfg.win[idx] = devm_ioremap(dev,  in gen_pci_parse_map_cfg_windows()
202 						 pci->cfg.res.start + idx * sz,  in gen_pci_parse_map_cfg_windows()
204 		if (!pci->cfg.win[idx])  in gen_pci_parse_map_cfg_windows()
218 	struct gen_pci *pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL);  in gen_pci_probe()  local
221 	if (!pci)  in gen_pci_probe()
233 	pci->cfg.ops = (struct gen_pci_cfg_bus_ops *)of_id->data;  in gen_pci_probe()
234 	pci->host.dev.parent = dev;  in gen_pci_probe()
235 	INIT_LIST_HEAD(&pci->host.windows);  in gen_pci_probe()
236 	INIT_LIST_HEAD(&pci->resources);  in gen_pci_probe()
239 	err = gen_pci_parse_request_of_pci_ranges(pci);  in gen_pci_probe()
244 	err = gen_pci_parse_map_cfg_windows(pci);  in gen_pci_probe()
246 		gen_pci_release_of_pci_ranges(pci);  in gen_pci_probe()
255 	bus = pci_scan_root_bus(dev, pci->cfg.bus_range->start,  in gen_pci_probe()
256 				&pci->cfg.ops->ops, pci, &pci->resources);  in gen_pci_probe()