With W=1: drivers/tty/serial/8250/8250_port.c:679: warning: Function parameter or member 'termios' not described in 'serial8250_em485_config' Fix this by documenting the parameter. Fixes: ae50bb2752836277 ("serial: take termios_rwsem for ->rs485_config() & pass termios as param") Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- drivers/tty/serial/8250/8250_port.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index dfbc501cf9d1561e..a0fd5ecc07ac66f3 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -668,6 +668,7 @@ EXPORT_SYMBOL_GPL(serial8250_em485_supported); /** * serial8250_em485_config() - generic ->rs485_config() callback * @port: uart port + * @termios: termios structure * @rs485: rs485 settings * * Generic callback usable by 8250 uart drivers to activate rs485 settings -- 2.34.1