1 files changed, 10 insertions, 3 deletions

diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 00daa8f7759a..f1195a98f316 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -1298,8 +1298,16 @@ static inline void stop_urb(struct urb *urb)
                 usb_kill_urb(urb);
 }
 
-static void keyspan_close(struct tty_struct *tty,
-                        struct usb_serial_port *port, struct file *filp)
+static void keyspan_dtr_rts(struct usb_serial_port *port, int on)
+{
+        struct keyspan_port_private *p_priv = usb_get_serial_port_data(port);
+
+        p_priv->rts_state = on;
+        p_priv->dtr_state = on;
+        keyspan_send_setup(port, 0);
+}
+
+static void keyspan_close(struct usb_serial_port *port)
 {
         int                     i;
         struct usb_serial       *serial = port->serial;
@@ -1336,7 +1344,6 @@ static void keyspan_close(struct tty_struct *tty,
                         stop_urb(p_priv->out_urbs[i]);
                 }
         }
-        tty_port_tty_set(&port->port, NULL);
 }
 
 /* download the firmware to a pre-renumeration device */