diff --git a/[refs] b/[refs]
index 316ed049301e..d305bb5fcf80 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fe92c9e481a147a9e1e14f55870f32903b967777
+refs/heads/master: cab98a0a349829b145d924c0649a2d30cd6a9e3d
diff --git a/trunk/drivers/usb/class/cdc-acm.c b/trunk/drivers/usb/class/cdc-acm.c
index 0a69c0977e3f..7a1164dd1d37 100644
--- a/trunk/drivers/usb/class/cdc-acm.c
+++ b/trunk/drivers/usb/class/cdc-acm.c
@@ -1375,6 +1375,9 @@ static struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x0572, 0x1324), /* Conexant USB MODEM RD02-D400 */
 	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
 	},
+	{ USB_DEVICE(0x0572, 0x1328), /* Shiro / Aztech USB MODEM UM-3100 */
+	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+	},
 	{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
 	},
 	{ USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */