openwrt-archive/target/linux/lantiq/patches-4.4/0032-USB-fix-roothub-for-IFXHCD.patch

From 326714a47233e4a524afa0c8398276fddf0dbd4d Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Thu, 6 Dec 2012 19:59:53 +0100
Subject: [PATCH 32/36] USB: fix roothub for IFXHCD

---
 arch/mips/lantiq/Kconfig |    1 +
 drivers/usb/core/hub.c   |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
@@ -3,6 +3,7 @@ if LANTIQ
 config SOC_TYPE_XWAY
 	bool
 	select PINCTRL_XWAY
+	select USB_ARCH_HAS_HCD
 	default n
 
 choice
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4358,7 +4358,7 @@ hub_port_init(struct usb_hub *hub, struc
 		udev->ttport = hdev->ttport;
 	} else if (udev->speed != USB_SPEED_HIGH
 			&& hdev->speed == USB_SPEED_HIGH) {
-		if (!hub->tt.hub) {
+		if (hdev->parent && !hub->tt.hub) {
 			dev_err(&udev->dev, "parent hub has no TT\n");
 			retval = -EINVAL;
 			goto fail;