Messages in this thread | | | Date | Fri, 12 Jun 2009 10:25:34 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [patch update] Re: [linux-pm] Run-time PM idea (was: Re: [RFC][PATCH 0/2] PM: Rearrange core suspend code) |
| |
On Thu, 11 Jun 2009, Rafael J. Wysocki wrote:
> > > > It might also be nice to make sure that the driver core autoresumes a > > > > device before probing it and autosuspends a device (after some > > > > reasonable delay) after unbinding its driver. > > > > > > Agreed. > > > > This is another case where a usage counter comes in handy. The driver > > core resumes the device and increments the counter -- thus preventing > > any unwanted autosuspends -- before making the probe and remove calls. > > I like this idea. > > BTW, where exactly the counter should be increased in that case? > > I thought of driver_probe_device(), but is it sufficient? Or is there a better > place?
That's okay. Or you could put it in really_probe(). Either one.
Alan Stern
| |