On Thu, Apr 5, 2012 at 10:55 AM, Chen Peter-B29397 <B29397@xxxxxxxxxxxxx> wrote: > But if there is no device at the hub, the system can't be wakeup by device > connection event without set enabled to hub/power/wakeup. It is not a problem for runtime PM case since the flag 'needs_remote_wakeup' of hub interface is set and hub device will be configured as 'remote wakeup' before runtime-suspend if it is capable of remote-wakeup. Thanks, -- Ming Lei -- 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