On Sun, 11 Apr 2010, Bruno Prémont wrote: > > > As far as I understand the code, in auto-suspend case if the driver > > > sends commands to the device it will have to call usbhid_wait_io(). > > > Please correct me if I'm wrong! > > > > It's not needed. There is a queuing mechanism in place on > > 'resumption_waker' workqueue. > > So the driver is not allowed to ask the device to do something > at auto-suspend time (as that would abort the auto-suspension). What do you mean by "is not allowed" exactly? Yes, it will wake the device up from auto-suspension. However, that's usually what you want to happen, is there is anything you need to dispatch to the device, isn't it? What exactly is the situation you are trying to handle? Thanks, -- Jiri Kosina SUSE Labs, Novell Inc. -- 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
