[17232.149278] failed to register tiny tty driver
[17251.526846] @TTY_NORMAL:
[17251.532426]   TTY_NORMAL=0
[17251.532427] @TTY_BREAK:
[17251.532428]   TTY_BREAK=1
[17251.532429] @TTY_FRAME:
[17251.532429]   TTY_FRAME=2
[17251.532430] @TTY_PARITY:
[17251.532431]   TTY_PARITY=3
[17251.532432] @TTY_OVERRUN:
[17251.532432]   TTY_OVERRUN=4
[17251.532433] @alloc_tty_driver:
[17251.532435]   call alloc_tty_driver: success
[17251.532435] @tty_std_termios:
[17251.532436]   use tty_std_termios: success
[17251.532437] @tty_set_operations:
[17251.532438]   call tty_set_operations: success
[17251.532439] @tty_register_driver:
