283 	struct acpi_ioremap *map;  in acpi_map_lookup()  local
285 	list_for_each_entry_rcu(map, &acpi_ioremaps, list)  in acpi_map_lookup()
286 		if (map->phys <= phys &&  in acpi_map_lookup()
287 		    phys + size <= map->phys + map->size)  in acpi_map_lookup()
288 			return map;  in acpi_map_lookup()
297 	struct acpi_ioremap *map;  in acpi_map_vaddr_lookup()  local
299 	map = acpi_map_lookup(phys, size);  in acpi_map_vaddr_lookup()
300 	if (map)  in acpi_map_vaddr_lookup()
301 		return map->virt + (phys - map->phys);  in acpi_map_vaddr_lookup()
308 	struct acpi_ioremap *map;  in acpi_os_get_iomem()  local
312 	map = acpi_map_lookup(phys, size);  in acpi_os_get_iomem()
313 	if (map) {  in acpi_os_get_iomem()
314 		virt = map->virt + (phys - map->phys);  in acpi_os_get_iomem()
315 		map->refcount++;  in acpi_os_get_iomem()
326 	struct acpi_ioremap *map;  in acpi_map_lookup_virt()  local
328 	list_for_each_entry_rcu(map, &acpi_ioremaps, list)  in acpi_map_lookup_virt()
329 		if (map->virt <= virt &&  in acpi_map_lookup_virt()
330 		    virt + size <= map->virt + map->size)  in acpi_map_lookup_virt()
331 			return map;  in acpi_map_lookup_virt()
370 	struct acpi_ioremap *map;  in acpi_os_map_iomem()  local
385 	map = acpi_map_lookup(phys, size);  in acpi_os_map_iomem()
386 	if (map) {  in acpi_os_map_iomem()
387 		map->refcount++;  in acpi_os_map_iomem()
391 	map = kzalloc(sizeof(*map), GFP_KERNEL);  in acpi_os_map_iomem()
392 	if (!map) {  in acpi_os_map_iomem()
402 		kfree(map);  in acpi_os_map_iomem()
406 	INIT_LIST_HEAD(&map->list);  in acpi_os_map_iomem()
407 	map->virt = virt;  in acpi_os_map_iomem()
408 	map->phys = pg_off;  in acpi_os_map_iomem()
409 	map->size = pg_sz;  in acpi_os_map_iomem()
410 	map->refcount = 1;  in acpi_os_map_iomem()
412 	list_add_tail_rcu(&map->list, &acpi_ioremaps);  in acpi_os_map_iomem()
416 	return map->virt + (phys - map->phys);  in acpi_os_map_iomem()
427 static void acpi_os_drop_map_ref(struct acpi_ioremap *map)  in acpi_os_drop_map_ref()  argument
429 	if (!--map->refcount)  in acpi_os_drop_map_ref()
430 		list_del_rcu(&map->list);  in acpi_os_drop_map_ref()
433 static void acpi_os_map_cleanup(struct acpi_ioremap *map)  in acpi_os_map_cleanup()  argument
435 	if (!map->refcount) {  in acpi_os_map_cleanup()
437 		acpi_unmap(map->phys, map->virt);  in acpi_os_map_cleanup()
438 		kfree(map);  in acpi_os_map_cleanup()
444 	struct acpi_ioremap *map;  in acpi_os_unmap_iomem()  local
452 	map = acpi_map_lookup_virt(virt, size);  in acpi_os_unmap_iomem()
453 	if (!map) {  in acpi_os_unmap_iomem()
458 	acpi_os_drop_map_ref(map);  in acpi_os_unmap_iomem()
461 	acpi_os_map_cleanup(map);  in acpi_os_unmap_iomem()
501 	struct acpi_ioremap *map;  in acpi_os_unmap_generic_address()  local
512 	map = acpi_map_lookup(addr, gas->bit_width / 8);  in acpi_os_unmap_generic_address()
513 	if (!map) {  in acpi_os_unmap_generic_address()
517 	acpi_os_drop_map_ref(map);  in acpi_os_unmap_generic_address()
520 	acpi_os_map_cleanup(map);  in acpi_os_unmap_generic_address()