Index: uspace/drv/bus/usb/usbhub/port.c
===================================================================
--- uspace/drv/bus/usb/usbhub/port.c	(revision 58f4c0fc4eecabe73ea09902fd92e2d3098b337b)
+++ uspace/drv/bus/usb/usbhub/port.c	(revision d648e8380d055f97fa1feb2f42d067d63def8ddd)
@@ -218,4 +218,10 @@
 }
 
+static void port_changed_link_state(usb_hub_port_t *port, usb_port_status_t status)
+{
+	port_log(debug2, port, "Port link state changed.");
+}
+
+
 typedef void (*change_handler_t)(usb_hub_port_t *, usb_port_status_t);
 
@@ -226,4 +232,5 @@
 	[USB_HUB_FEATURE_C_PORT_OVER_CURRENT] = &port_changed_overcurrent,
 	[USB_HUB_FEATURE_C_PORT_RESET] = &port_changed_reset,
+	[USB_HUB_FEATURE_C_PORT_LINK_STATE] = &port_changed_link_state,
 	[sizeof(usb_port_status_t) * 8] = NULL,
 };