1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 511cbf687877..a9eff2b18eab 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -957,15 +957,12 @@ bfin_serial_verify_port(struct uart_port *port, struct serial_struct *ser)
  * Enable the IrDA function if tty->ldisc.num is N_IRDA.
  * In other cases, disable IrDA function.
  */
-static void bfin_serial_set_ldisc(struct uart_port *port)
+static void bfin_serial_set_ldisc(struct uart_port *port, int ld)
 {
         int line = port->line;
         unsigned short val;
 
-        if (line >= port->state->port.tty->driver->num)
-                return;
-
-        switch (port->state->port.tty->termios->c_line) {
+        switch (ld) {
         case N_IRDA:
                 val = UART_GET_GCTL(&bfin_serial_ports[line]);
                 val |= (IREN | RPOLC);