[PATCH v1 2/2] usb: gadget: Add bcdDevice for the DWC2 USB Gadget Controller
Patrice Chotard
patrice.chotard at foss.st.com
Fri Apr 9 09:36:17 CEST 2021
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 <patrice.chotard at foss.st.com>
Reported-by: Herbert Poetzl <herbert at 13thfloor.at>
Cc: Marek Vasut <marex at denx.de>
Cc: Herbert Poetzl <herbert at 13thfloor.at>
---
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 0cdf47c2dd..06e6a48949 100644
--- 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;
}
--
2.17.1
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