On Fri, 31 Jul 2026, Uwe Kleine-König wrote:

> In this driver .iotype is always UPIO_PORT. So uart_match_port() is
> equivalent to comparing .iobase. Remove the call to uart_match_port()
> which then only has a single caller that is handled in the next commit.

Not directly related to the change. The txx9 driver seems to have some 
iotype switch/cases as well so some !UPIO_PORT deadcode too.

-- 
 i.

> Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
> ---
>  drivers/tty/serial/serial_txx9.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
> index 5ed20129b44b..2368081c3742 100644
> --- a/drivers/tty/serial/serial_txx9.c
> +++ b/drivers/tty/serial/serial_txx9.c
> @@ -965,7 +965,7 @@ static int serial_txx9_register_port(struct uart_port *port)
>  	mutex_lock(&serial_txx9_mutex);
>  	for (i = 0; i < UART_NR; i++) {
>  		uart = &serial_txx9_ports[i];
> -		if (uart_match_port(uart, port)) {
> +		if (uart->iobase == port->iobase)
>  			uart_remove_one_port(&serial_txx9_reg, uart);
>  			break;
>  		}
>