--- /dev/null
+--- a/drivers/usb/serial/sierra.c
++++ b/drivers/usb/serial/sierra.c
+@@ -166,14 +166,19 @@
+ { USB_DEVICE(0x1199, 0x6815) }, /* Sierra Wireless MC8775 */
+ { USB_DEVICE(0x03f0, 0x1e1d) }, /* HP hs2300 a.k.a MC8775 */
+ { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
++ { USB_DEVICE(0x1199, 0x6821) }, /* Sierra Wireless AirCard 875U */
+ { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
+ { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
++ { USB_DEVICE(0x1199, 0x683B), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless MC8785 Composite*/
++ { USB_DEVICE(0x1199, 0x683C), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless MC8790 Composite*/
+ { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
+ { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
+ { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */
+ { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881 E */
+ { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880 U */
+ { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881 U */
++ { USB_DEVICE(0x1199, 0x6859), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */
++ { USB_DEVICE(0x1199, 0x685A), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless AirCard 885 E */
+
+ { USB_DEVICE(0x1199, 0x6468) }, /* Sierra Wireless MP3G - EVDO */
+ { USB_DEVICE(0x1199, 0x6469) }, /* Sierra Wireless MP3G - UMTS/HSPA */
--- /dev/null
+--- a/drivers/usb/serial/sierra.c
++++ b/drivers/usb/serial/sierra.c
+@@ -205,6 +205,7 @@
+ { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780*/
+ { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781*/
+ { USB_DEVICE(0x1199, 0x683B), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless MC8785 Composite*/
++ { USB_DEVICE(0x1199, 0x683C), .driver_info = DEVICE_1_PORT }, /* Sierra Wireless MC8790 Composite*/
+ { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
+ { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
+ { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880 E */