static int __init rs_init()

in platforms/iss/console.c [137:175]

• 29 lines of code
• 3 McCabe index (conditional complexity)

static int __init rs_init(void)
{
	struct tty_driver *driver;
	int ret;

	driver = tty_alloc_driver(SERIAL_MAX_NUM_LINES, TTY_DRIVER_REAL_RAW);
	if (IS_ERR(driver))
		return PTR_ERR(driver);

	tty_port_init(&serial_port);

	/* Initialize the tty_driver structure */

	driver->driver_name = "iss_serial";
	driver->name = "ttyS";
	driver->major = TTY_MAJOR;
	driver->minor_start = 64;
	driver->type = TTY_DRIVER_TYPE_SERIAL;
	driver->subtype = SERIAL_TYPE_NORMAL;
	driver->init_termios = tty_std_termios;
	driver->init_termios.c_cflag =
		B9600 | CS8 | CREAD | HUPCL | CLOCAL;

	tty_set_operations(driver, &serial_ops);
	tty_port_link_device(&serial_port, driver, 0);

	ret = tty_register_driver(driver);
	if (ret) {
		pr_err("Couldn't register serial driver\n");
		tty_driver_kref_put(driver);
		tty_port_destroy(&serial_port);

		return ret;
	}

	serial_driver = driver;

	return 0;
}