ret_of 642 drivers/tty/serdev/core.c int ret_of, ret_acpi, ret; ret_of 654 drivers/tty/serdev/core.c ret_of = of_serdev_register_devices(ctrl); ret_of 656 drivers/tty/serdev/core.c if (ret_of && ret_acpi) { ret_of 658 drivers/tty/serdev/core.c ret_of, ret_acpi);