diff --git a/[refs] b/[refs]
index bfdcddc34f42..6137dd6f7ca1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1ba2557f298a64af4419ca094c5ecf99dc775354
+refs/heads/master: 79da01d79e0f2c8d2d6f1b823fce429877c423a7
diff --git a/trunk/drivers/usb/serial/option.c b/trunk/drivers/usb/serial/option.c
index d34b4cf89424..b4fe9ffd6dd6 100644
--- a/trunk/drivers/usb/serial/option.c
+++ b/trunk/drivers/usb/serial/option.c
@@ -338,6 +338,8 @@ static int  option_resume(struct usb_serial *serial);
 
 /* 4G Systems products */
 #define FOUR_G_SYSTEMS_VENDOR_ID		0x1c9e
+/* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
+ * It seems to contain a Qualcomm QSC6240/6290 chipset            */
 #define FOUR_G_SYSTEMS_PRODUCT_W14		0x9603
 
 /* Haier products */