On Tue, 22 Mar 2016, Oliver Neukum wrote: > On Tue, 2016-03-22 at 10:21 -0400, Alan Stern wrote: > > I don't see any point in resuming the device just in order to collect > > operating statistics. If it was already suspended then it wasn't > > operating, so there will be no statistics to collect. > > Indeed. In that case the point is moot. But it is correct to ask > the core whether the device is autosuspended at that point rather > than keep a private flag if you can.
That's why we have pm_runtime_status_suspended(). > All that is relevant only if the upper layers ask for information > that the driver cannot provide without resuming the device. > Those are fundamentally different issues. Of course. Alan Stern
