usb: gadget: Add bcdDevice for the DWC2 USB Gadget Controller

Add an entry in usb_gadget_controller_number() for the DWC2
gadget controller. It is used to bind the USB Ethernet driver.

Signed-off-by: Patrice Chotard <[email protected]>
Reported-by: Herbert Poetzl <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Herbert Poetzl <[email protected]>

diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 0cdf47c2ddae48106a0c451ca930a1f153ff882c..06e6a4894954e463d1a788ef94479d61a9bafd22 100644 (file)
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -167,6 +167,12 @@
 #define gadget_is_mtu3(g)        0
 #endif
 
+#ifdef CONFIG_USB_GADGET_DWC2_OTG
+#define gadget_is_dwc2(g)        (!strcmp("dwc2-udc", (g)->name))
+#else
+#define gadget_is_dwc2(g)        0
+#endif
+
 /**
  * usb_gadget_controller_number - support bcdDevice id convention
  * @gadget: the controller being driven
@@ -232,5 +238,7 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
                return 0x25;
        else if (gadget_is_mtu3(gadget))
                return 0x26;
+       else if (gadget_is_dwc2(gadget))
+               return 0x27;
        return -ENOENT;
 }