Messages in this thread | | | Date | Tue, 22 Mar 2016 11:13:10 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH] lan78xx: Protect runtime_auto check by #ifdef CONFIG_PM |
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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
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