Index: usb-devel/drivers/hid/usbhid/hid-core.c
===================================================================
--- usb-devel.orig/drivers/hid/usbhid/hid-core.c
+++ usb-devel/drivers/hid/usbhid/hid-core.c
@@ -1043,6 +1043,10 @@ static int usbhid_parse(struct hid_devic
 		goto err;
 	}
 
+	dev_info(&intf->dev, "Report descriptor:\n");
+	print_hex_dump(KERN_INFO, "  * ", DUMP_PREFIX_NONE, 16, 1,
+			rdesc, rsize, false);
+
 	ret = hid_parse_report(hid, rdesc, rsize);
 	kfree(rdesc);
 	if (ret) {