48 void pci_bus_add_resource(struct pci_bus *bus, struct resource *res,  in pci_bus_add_resource()  argument
55 		dev_err(&bus->dev, "can't add %pR resource\n", res);  in pci_bus_add_resource()
61 	list_add_tail(&bus_res->list, &bus->resources);  in pci_bus_add_resource()
64 struct resource *pci_bus_resource_n(const struct pci_bus *bus, int n)  in pci_bus_resource_n()  argument
69 		return bus->resource[n];  in pci_bus_resource_n()
72 	list_for_each_entry(bus_res, &bus->resources, list) {  in pci_bus_resource_n()
80 void pci_bus_remove_resources(struct pci_bus *bus)  in pci_bus_remove_resources()  argument
86 		bus->resource[i] = NULL;  in pci_bus_remove_resources()
88 	list_for_each_entry_safe(bus_res, tmp, &bus->resources, list) {  in pci_bus_remove_resources()
108 static void pci_clip_resource_to_region(struct pci_bus *bus,  in pci_clip_resource_to_region()  argument
114 	pcibios_resource_to_bus(bus, &r, res);  in pci_clip_resource_to_region()
123 		pcibios_bus_to_resource(bus, res, &r);  in pci_clip_resource_to_region()
126 static int pci_bus_alloc_from_region(struct pci_bus *bus, struct resource *res,  in pci_bus_alloc_from_region()  argument
142 	pci_bus_for_each_resource(bus, r, i) {  in pci_bus_alloc_from_region()
159 		pci_clip_resource_to_region(bus, &avail, region);  in pci_bus_alloc_from_region()
196 int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,  in pci_bus_alloc_resource()  argument
209 		rc = pci_bus_alloc_from_region(bus, res, size, align, min,  in pci_bus_alloc_resource()
215 		return pci_bus_alloc_from_region(bus, res, size, align, min,  in pci_bus_alloc_resource()
221 	return pci_bus_alloc_from_region(bus, res, size, align, min,  in pci_bus_alloc_resource()
235 	struct pci_bus *bus = dev->bus;  in pci_bus_clip_resource()  local
241 	pci_bus_for_each_resource(bus, r, i) {  in pci_bus_clip_resource()
272 void __weak pcibios_resource_survey_bus(struct pci_bus *bus) { }  in pcibios_resource_survey_bus()  argument
306 void pci_bus_add_devices(const struct pci_bus *bus)  in pci_bus_add_devices()  argument
311 	list_for_each_entry(dev, &bus->devices, bus_list) {  in pci_bus_add_devices()
318 	list_for_each_entry(dev, &bus->devices, bus_list) {  in pci_bus_add_devices()
344 	struct pci_bus *bus;  in pci_walk_bus()  local
348 	bus = top;  in pci_walk_bus()
352 		if (next == &bus->devices) {  in pci_walk_bus()
354 			if (bus == top)  in pci_walk_bus()
356 			next = bus->self->bus_list.next;  in pci_walk_bus()
357 			bus = bus->self->bus;  in pci_walk_bus()
364 			bus = dev->subordinate;  in pci_walk_bus()
376 struct pci_bus *pci_bus_get(struct pci_bus *bus)  in pci_bus_get()  argument
378 	if (bus)  in pci_bus_get()
379 		get_device(&bus->dev);  in pci_bus_get()
380 	return bus;  in pci_bus_get()
384 void pci_bus_put(struct pci_bus *bus)  in pci_bus_put()  argument
386 	if (bus)  in pci_bus_put()
387 		put_device(&bus->dev);  in pci_bus_put()