diff --git a/[refs] b/[refs]
index 67ab52de4dbd..d7f4603fc419 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1703a6d3c38944731ba23594843a704d828266f3
+refs/heads/master: 6a1a82df91fa0eb1cc76069a9efe5714d087eccd
diff --git a/trunk/drivers/usb/serial/ftdi_sio.c b/trunk/drivers/usb/serial/ftdi_sio.c
index 050211afc07e..79dd1ae195e5 100644
--- a/trunk/drivers/usb/serial/ftdi_sio.c
+++ b/trunk/drivers/usb/serial/ftdi_sio.c
@@ -2005,6 +2005,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 				"urb failed to set to rts/cts flow control\n");
 		}
 
+		/* raise DTR/RTS */
+		set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	} else {
 		/*
 		 * Xon/Xoff code
@@ -2052,6 +2054,8 @@ static void ftdi_set_termios(struct tty_struct *tty,
 			}
 		}
 
+		/* lower DTR/RTS */
+		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	}
 	return;
 }