ISST_IF_DEV_TPMI
if (device_type < ISST_IF_DEV_TPMI && isst_hpm_support)
ret = isst_if_cdev_register(ISST_IF_DEV_TPMI, &cb);
isst_if_cdev_unregister(ISST_IF_DEV_TPMI);