diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 8aca8a7..ecedd83 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -13,10 +13,9 @@
   Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de>
   Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org>
 
-  History:
 */
 
-#define DRIVER_VERSION "v.1.0.5"
+#define DRIVER_VERSION "v.1.0.6"
 #define DRIVER_AUTHOR "Kevin Lloyd <linux@sierrawireless.com>"
 #define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
 
@@ -31,14 +30,15 @@
 
 
 static struct usb_device_id id_table [] = {
-	{ USB_DEVICE(0x1199, 0x0018) },	/* Sierra Wireless MC5720 */
-	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
 	{ USB_DEVICE(0x1199, 0x0017) },	/* Sierra Wireless EM5625 */
-	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
+	{ USB_DEVICE(0x1199, 0x0018) },	/* Sierra Wireless MC5720 */
 	{ USB_DEVICE(0x1199, 0x0218) },	/* Sierra Wireless MC5720 */
+	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
+	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
+	{ USB_DEVICE(0x1199, 0x0021) },	/* Sierra Wireless AirCard 597E */
 	{ USB_DEVICE(0x1199, 0x6802) },	/* Sierra Wireless MC8755 */
+	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 */
 	{ USB_DEVICE(0x1199, 0x6803) },	/* Sierra Wireless MC8765 */
-	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 for Europe */
 	{ USB_DEVICE(0x1199, 0x6812) },	/* Sierra Wireless MC8775 */
 	{ USB_DEVICE(0x1199, 0x6820) },	/* Sierra Wireless AirCard 875 */
 
@@ -55,14 +55,15 @@
 };
 
 static struct usb_device_id id_table_3port [] = {
-	{ USB_DEVICE(0x1199, 0x0018) },	/* Sierra Wireless MC5720 */
-	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
 	{ USB_DEVICE(0x1199, 0x0017) },	/* Sierra Wireless EM5625 */
-	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
+	{ USB_DEVICE(0x1199, 0x0018) },	/* Sierra Wireless MC5720 */
 	{ USB_DEVICE(0x1199, 0x0218) },	/* Sierra Wireless MC5720 */
+	{ USB_DEVICE(0x1199, 0x0020) },	/* Sierra Wireless MC5725 */
+	{ USB_DEVICE(0x1199, 0x0019) },	/* Sierra Wireless AirCard 595 */
+	{ USB_DEVICE(0x1199, 0x0021) },	/* Sierra Wireless AirCard 597E */
 	{ USB_DEVICE(0x1199, 0x6802) },	/* Sierra Wireless MC8755 */
+	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 */
 	{ USB_DEVICE(0x1199, 0x6803) },	/* Sierra Wireless MC8765 */
-	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 for Europe */
 	{ USB_DEVICE(0x1199, 0x6812) },	/* Sierra Wireless MC8775 */
 	{ USB_DEVICE(0x1199, 0x6820) },	/* Sierra Wireless AirCard 875 */
 	{ }
@@ -81,7 +82,7 @@
 
 /* per port private data */
 #define N_IN_URB	4
-#define N_OUT_URB	1
+#define N_OUT_URB	4
 #define IN_BUFLEN	4096
 #define OUT_BUFLEN	128
 
@@ -396,6 +397,8 @@
 	struct usb_serial *serial = port->serial;
 	int i, err;
 	struct urb *urb;
+	int result;
+	__u16 set_mode_dzero = 0x0000;
 
 	portdata = usb_get_serial_port_data(port);
 
@@ -442,6 +445,12 @@
 
 	port->tty->low_latency = 1;
 
+	/* set mode to D0 */
+	result = usb_control_msg(serial->dev,
+				 usb_rcvctrlpipe(serial->dev, 0),
+				 0x00, 0x40, set_mode_dzero, 0, NULL,
+				 0, USB_CTRL_SET_TIMEOUT);
+
 	sierra_send_setup(port);
 
 	return (0);