Re: [PATCH 2/4] serial: 8250: export serial8250_get_baud_rate()

On Thu, 9 Jul 2026, Christian Marangi wrote:

> Some driver might need to access the current baud rate to correctly
> configure it.
> 
> Export the serial8250_get_baud_rate() function to limit code duplication.
> 
> Signed-off-by: Christian Marangi <[email protected]>
> ---
>  drivers/tty/serial/8250/8250_port.c | 7 ++++---
>  include/linux/serial_8250.h         | 4 ++++
>  2 files changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
> index 630deb7dd344..033d8fb8bb23 100644
> --- a/drivers/tty/serial/8250/8250_port.c
> +++ b/drivers/tty/serial/8250/8250_port.c
> @@ -2560,9 +2560,9 @@ static void serial8250_set_divisor(struct uart_port *port, unsigned int baud,
>  		serial8250_do_set_divisor(port, baud, quot);
>  }
>  
> -static unsigned int serial8250_get_baud_rate(struct uart_port *port,
> -					     struct ktermios *termios,
> -					     const struct ktermios *old)
> +unsigned int serial8250_get_baud_rate(struct uart_port *port,
> +				      struct ktermios *termios,
> +				      const struct ktermios *old)
>  {
>  	unsigned int tolerance = port->uartclk / 100;
>  	unsigned int min;
> @@ -2589,6 +2589,7 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port,
>  	 */
>  	return uart_get_baud_rate(port, termios, old, min, max);
>  }
> +EXPORT_SYMBOL_GPL(serial8250_get_baud_rate);

Please put newly exported things into SERIAL_8250 namespace.

-- 
 i.