131 	struct tty_driver *driver;  in rs_init()  local
134 	driver = tty_alloc_driver(SERIAL_MAX_NUM_LINES, TTY_DRIVER_REAL_RAW);  in rs_init()
135 	if (IS_ERR(driver))  in rs_init()
136 		return PTR_ERR(driver);  in rs_init()
142 	driver->driver_name = "iss_serial";  in rs_init()
143 	driver->name = "ttyS";  in rs_init()
144 	driver->major = TTY_MAJOR;  in rs_init()
145 	driver->minor_start = 64;  in rs_init()
146 	driver->type = TTY_DRIVER_TYPE_SERIAL;  in rs_init()
147 	driver->subtype = SERIAL_TYPE_NORMAL;  in rs_init()
148 	driver->init_termios = tty_std_termios;  in rs_init()
149 	driver->init_termios.c_cflag =  in rs_init()
152 	tty_set_operations(driver, &serial_ops);  in rs_init()
153 	tty_port_link_device(&serial_port, driver, 0);  in rs_init()
155 	ret = tty_register_driver(driver);  in rs_init()
158 		tty_driver_kref_put(driver);  in rs_init()
164 	serial_driver = driver;  in rs_init()