286 	struct acpi_ioremap *map;  in acpi_map_lookup()  local
288 	list_for_each_entry_rcu(map, &acpi_ioremaps, list)  in acpi_map_lookup()
289 		if (map->phys <= phys &&  in acpi_map_lookup()
290 		    phys + size <= map->phys + map->size)  in acpi_map_lookup()
291 			return map;  in acpi_map_lookup()
300 	struct acpi_ioremap *map;  in acpi_map_vaddr_lookup()  local
302 	map = acpi_map_lookup(phys, size);  in acpi_map_vaddr_lookup()
303 	if (map)  in acpi_map_vaddr_lookup()
304 		return map->virt + (phys - map->phys);  in acpi_map_vaddr_lookup()
311 	struct acpi_ioremap *map;  in acpi_os_get_iomem()  local
315 	map = acpi_map_lookup(phys, size);  in acpi_os_get_iomem()
316 	if (map) {  in acpi_os_get_iomem()
317 		virt = map->virt + (phys - map->phys);  in acpi_os_get_iomem()
318 		map->refcount++;  in acpi_os_get_iomem()
329 	struct acpi_ioremap *map;  in acpi_map_lookup_virt()  local
331 	list_for_each_entry_rcu(map, &acpi_ioremaps, list)  in acpi_map_lookup_virt()
332 		if (map->virt <= virt &&  in acpi_map_lookup_virt()
333 		    virt + size <= map->virt + map->size)  in acpi_map_lookup_virt()
334 			return map;  in acpi_map_lookup_virt()
373 	struct acpi_ioremap *map;  in acpi_os_map_iomem()  local
388 	map = acpi_map_lookup(phys, size);  in acpi_os_map_iomem()
389 	if (map) {  in acpi_os_map_iomem()
390 		map->refcount++;  in acpi_os_map_iomem()
394 	map = kzalloc(sizeof(*map), GFP_KERNEL);  in acpi_os_map_iomem()
395 	if (!map) {  in acpi_os_map_iomem()
405 		kfree(map);  in acpi_os_map_iomem()
409 	INIT_LIST_HEAD(&map->list);  in acpi_os_map_iomem()
410 	map->virt = virt;  in acpi_os_map_iomem()
411 	map->phys = pg_off;  in acpi_os_map_iomem()
412 	map->size = pg_sz;  in acpi_os_map_iomem()
413 	map->refcount = 1;  in acpi_os_map_iomem()
415 	list_add_tail_rcu(&map->list, &acpi_ioremaps);  in acpi_os_map_iomem()
419 	return map->virt + (phys - map->phys);  in acpi_os_map_iomem()
430 static void acpi_os_drop_map_ref(struct acpi_ioremap *map)  in acpi_os_drop_map_ref()  argument
432 	if (!--map->refcount)  in acpi_os_drop_map_ref()
433 		list_del_rcu(&map->list);  in acpi_os_drop_map_ref()
436 static void acpi_os_map_cleanup(struct acpi_ioremap *map)  in acpi_os_map_cleanup()  argument
438 	if (!map->refcount) {  in acpi_os_map_cleanup()
440 		acpi_unmap(map->phys, map->virt);  in acpi_os_map_cleanup()
441 		kfree(map);  in acpi_os_map_cleanup()
447 	struct acpi_ioremap *map;  in acpi_os_unmap_iomem()  local
455 	map = acpi_map_lookup_virt(virt, size);  in acpi_os_unmap_iomem()
456 	if (!map) {  in acpi_os_unmap_iomem()
461 	acpi_os_drop_map_ref(map);  in acpi_os_unmap_iomem()
464 	acpi_os_map_cleanup(map);  in acpi_os_unmap_iomem()
504 	struct acpi_ioremap *map;  in acpi_os_unmap_generic_address()  local
515 	map = acpi_map_lookup(addr, gas->bit_width / 8);  in acpi_os_unmap_generic_address()
516 	if (!map) {  in acpi_os_unmap_generic_address()
520 	acpi_os_drop_map_ref(map);  in acpi_os_unmap_generic_address()
523 	acpi_os_map_cleanup(map);  in acpi_os_unmap_generic_address()