usb: Add definitions for the USB2.0 hub TT requests

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

include/linux/usb/hcd.h

@@ -591,6 +591,10 @@ extern void usb_ep0_reinit(struct usb_device *);
 #define GetPortStatus		HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, USB_REQ_GET_STATUS)
 #define SetHubFeature		HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, USB_REQ_SET_FEATURE)
 #define SetPortFeature		HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, USB_REQ_SET_FEATURE)
+#define ClearTTBuffer		HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, HUB_CLEAR_TT_BUFFER)
+#define ResetTT			HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, HUB_RESET_TT)
+#define GetTTState		HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, HUB_GET_TT_STATE)
+#define StopTT			HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, HUB_STOP_TT)
 
 
 /*-------------------------------------------------------------------------*/