cb86a3383aa7 ("serial: core: Update uart_poll_timeout() function to return unsigned long")
f9008285bb69 ("serial: Drop timeout from uart_port")
31f6bd7fad3b ("serial: Store character timing information to uart_port")
b0e0bd9d0d89 ("serial: core: fix tcdrain() with CTS enabled")
654ee49b7e08 ("tty: make tty_get_{char,frame}_size available")