console_cdev 3424 drivers/tty/tty_io.c static struct cdev tty_cdev, console_cdev; console_cdev 3493 drivers/tty/tty_io.c cdev_init(&console_cdev, &console_fops); console_cdev 3494 drivers/tty/tty_io.c if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) ||