The ldisc number now gets passed into ->set_ldisc.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 }
 
 static void
-serial8250_set_ldisc(struct uart_port *port)
+serial8250_set_ldisc(struct uart_port *port, int new)
 {
-       int line = port->line;
-
-       if (line >= port->state->port.tty->driver->num)
-               return;
-
-       if (port->state->port.tty->ldisc->ops->num == N_PPS) {
+       if (new == N_PPS) {
                port->flags |= UPF_HARDPPS_CD;
                serial8250_enable_ms(port);
        } else