From: yangkai <yangkai@ubuntu-fs>
Date: Fri, 17 Jun 2011 07:11:29 +0000 (+0800)
Subject: dwc otg root hub has no TT
X-Git-Tag: firefly_0821_release~10179
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7de6ef11de5d07ee6195f0f5598f32efbcda9a31;p=firefly-linux-kernel-4.4.55.git

dwc otg root hub has no TT
---

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 8ff77b613369..00d4085f1d25 100755
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2715,11 +2715,17 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
 		udev->ttport = hdev->ttport;
 	} else if (udev->speed != USB_SPEED_HIGH
 			&& hdev->speed == USB_SPEED_HIGH) {
+			
+	/* yk@rk 20110617
+	 * parent hub has no TT would not be error in rk29
+	 */
+		#if 0
 		if (!hub->tt.hub) {
 			dev_err(&udev->dev, "parent hub has no TT\n");
 			retval = -EINVAL;
 			goto fail;
 		}
+		#endif
 		udev->tt = &hub->tt;
 		udev->ttport = port1;
 	}