dio_resource_len
release_mem_region(dio_resource_start(d), dio_resource_len(d));
release_mem_region(dio_resource_start(d), dio_resource_len(d));
dio_resource_len(d), d->name))
request_mem_region(dio_resource_start(d), dio_resource_len(d), name)
release_mem_region(dio_resource_start(d), dio_resource_len(d))