diff --git a/[refs] b/[refs]
index d5ec2ce17227..8d22222a73c7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0930bb46bbbb43afe3381ece2cb2f8a5bc3fb544
+refs/heads/master: 35e9e21fb30dc4452b33aed5cbf233743bffca40
diff --git a/trunk/drivers/usb/serial/option.c b/trunk/drivers/usb/serial/option.c
index ceb93364f9f2..815656198914 100644
--- a/trunk/drivers/usb/serial/option.c
+++ b/trunk/drivers/usb/serial/option.c
@@ -151,6 +151,7 @@ static void option_instat_callback(struct urb *urb);
 #define HUAWEI_PRODUCT_K3770			0x14C9
 #define HUAWEI_PRODUCT_K3771			0x14CA
 #define HUAWEI_PRODUCT_K4510			0x14CB
+#define HUAWEI_PRODUCT_K4511			0x14CC
 #define HUAWEI_PRODUCT_ETS1220			0x1803
 #define HUAWEI_PRODUCT_E353			0x1506
 
@@ -556,6 +557,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3771, 0xff, 0x02, 0x32) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4510, 0xff, 0x01, 0x31) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4510, 0xff, 0x01, 0x32) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x31) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x32) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) },
 	{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) },