dio_resource_start
(unsigned long)dio_resource_start(d),
release_mem_region(dio_resource_start(d), dio_resource_len(d));
release_mem_region(dio_resource_start(d), dio_resource_len(d));
if (!request_mem_region(dio_resource_start(d),
request_mem_region(dio_resource_start(d), dio_resource_len(d), name)
release_mem_region(dio_resource_start(d), dio_resource_len(d))