[PATCH v8 6/9] usb: gadget: Add bcdDevice for the MTU3 USB Gadget Controller

[Chunfeng Yun]

Add an entry in usb_gadget_controller_number() for the MTU3
gadget controller. It is used to bind the USB Ethernet driver.

Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---
v8: add Reviewed-by Bin

v4~v7: no changes

v3: new patch
---
 drivers/usb/gadget/gadget_chips.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index 587204cfb7..0cdf47c2dd 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -161,6 +161,12 @@
 #define gadget_is_max3420(g)        0
 #endif
 
+#ifdef CONFIG_USB_MTU3_GADGET
+#define gadget_is_mtu3(g)        (!strcmp("mtu3-gadget", (g)->name))
+#else
+#define gadget_is_mtu3(g)        0
+#endif
+
 /**
  * usb_gadget_controller_number - support bcdDevice id convention
  * @gadget: the controller being driven
@@ -224,5 +230,7 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x24;
 	else if (gadget_is_max3420(gadget))
 		return 0x25;
+	else if (gadget_is_mtu3(gadget))
+		return 0x26;
 	return -ENOENT;
 }
-- 
2.18.0