UART_GET_BAUD_RATE(9)                   16x50 UART Driver                   UART_GET_BAUD_RATE(9)



NAME
       uart_get_baud_rate - return baud rate for a particular port

SYNOPSIS
       unsigned int uart_get_baud_rate(struct uart_port * port, struct ktermios * termios,
                                       struct ktermios * old, unsigned int min,
                                       unsigned int max);

ARGUMENTS
       port
           uart_port structure describing the port in question.

       termios
           desired termios settings.

       old
           old termios (or NULL)

       min
           minimum acceptable baud rate

       max
           maximum acceptable baud rate

DESCRIPTION
       Decode the termios structure into a numeric baud rate, taking account of the magic 38400
       baud rate (with spd_* flags), and mapping the B0 rate to 9600 baud.

       If the new baud rate is invalid, try the old termios setting. If it's still invalid, we
       try 9600 baud.

       Update the termios structure to reflect the baud rate we're actually going to be using.
       Don't do this for the case where B0 is requested (“hang up”).

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                     UART_GET_BAUD_RATE(9)