diff mbox series

[v2,2/5] usb: gadget: Add bcdDevice for the DWC2 USB Gadget Controller

Message ID 20210419094534.9748-3-patrice.chotard@foss.st.com
State New
Delegated to: Lukasz Majewski
Headers show
Series cmd: bind: Fix driver binding | expand

Commit Message

Patrice CHOTARD April 19, 2021, 9:45 a.m. UTC
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@foss.st.com>
Reported-by: Herbert Poetzl <herbert@13thfloor.at>
Cc: Marek Vasut <marex@denx.de>
Cc: Herbert Poetzl <herbert@13thfloor.at>
---

(no changes since v1)

 drivers/usb/gadget/gadget_chips.h | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

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;
 }