On Sat, 14 Jan 2012, Oliver Neukum wrote: > True. Taking this to the logical conclusion they should have two delays, > one for internal events and one for external events. Sometimes it's not so easy to make the distinction. Sure, you can tell why the hub woke up originally, but other things may happen while the hub is awake. For example, a hub may get woken up because of an autoresume call for a child, and while it's awake there may be a port connect change. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html