1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index a0bf5df6cb6f..b9de1569b39e 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -210,6 +210,8 @@ struct hc_driver {
         int     (*bus_suspend)(struct usb_hcd *);
         int     (*bus_resume)(struct usb_hcd *);
         int     (*start_port_reset)(struct usb_hcd *, unsigned port_num);
+        void    (*hub_irq_enable)(struct usb_hcd *);
+                /* Needed only if port-change IRQs are level-triggered */
 
                 /* force handover of high-speed port to full-speed companion */
         void    (*relinquish_port)(struct usb_hcd *, int);