Am Samstag, 14. Januar 2012, 17:19:29 schrieb Alan Stern: > > Which again leads to the question why we want autosuspend delays > > on the inner nodes of the device tree. It really makes no sense to delay > > on the inner nodes. If you suspend at all, you want to suspend as much > > as you can of a branch and at once. > > That's a good question. In general, inner nodes should have very short > delays. > > On the other hand, USB hubs aren't always inner nodes. They generate > their own wake requests, in addition to forwarding requests from > downstream. Therefore hubs should not necessarily have short delays. True. Taking this to the logical conclusion they should have two delays, one for internal events and one for external events. Regards Oliver -- 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