diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 6c083d4e2c9b854b9f0f73dc3b0edac29e1eec81..83dfae93a45db37278ee130e3b99fb30a2328a23 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -83,6 +83,7 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(BELKIN_VENDOR_ID, BELKIN_PRODUCT_ID) },
 	{ USB_DEVICE(ALCOR_VENDOR_ID, ALCOR_PRODUCT_ID) },
 	{ USB_DEVICE(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_ID) },
+	{ USB_DEVICE(WS002IN_VENDOR_ID, WS002IN_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
 
diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h
index 65a5039665e71d31610d5d73645321dd6389b0f0..f9a71d0c102e7c54cafd3edb7747dbf5ceea0eb9 100644
--- a/drivers/usb/serial/pl2303.h
+++ b/drivers/usb/serial/pl2303.h
@@ -97,3 +97,8 @@
 /* Huawei E620 UMTS/HSDPA card (ID: 12d1:1001) */
 #define HUAWEI_VENDOR_ID	0x12d1
 #define HUAWEI_PRODUCT_ID	0x1001
+
+/* Willcom WS002IN Data Driver (by NetIndex Inc.) */
+#define WS002IN_VENDOR_ID	0x11f6
+#define WS002IN_PRODUCT_ID	0x2001
+