1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index ec6d439a2aa5..8e0e9a0b7364 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -137,6 +137,12 @@
 #define gadget_is_musbhdrc(g)   0
 #endif
 
+#ifdef CONFIG_USB_GADGET_LANGWELL
+#define gadget_is_langwell(g)   (!strcmp("langwell_udc", (g)->name))
+#else
+#define gadget_is_langwell(g)   0
+#endif
+
 /* from Montavista kernel (?) */
 #ifdef CONFIG_USB_GADGET_MPC8272
 #define gadget_is_mpc8272(g)    !strcmp("mpc8272_udc", (g)->name)
@@ -231,6 +237,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
                 return 0x22;
         else if (gadget_is_ci13xxx(gadget))
                 return 0x23;
+        else if (gadget_is_langwell(gadget))
+                return 0x24;
         return -ENOENT;
 }