Am Sonntag, 11. April 2010 20:40:02 schrieb Bruno Prémont: > On Sun, 11 April 2010 Jiri Kosina <jkosina@xxxxxxx> 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). >From within suspend()? Generally if the driver wants to talk to a device that's a good reason to wake up a device. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html