> > > When all the devices under a host are suspended, the LLD is informed > > > (via a new "autosuspend" method in the host template) so that it can > > > > That is most certainly a mistake. > > Why? > > > Is there a good reason to not modify > > to extend suspend() to take an extra argument for the reason it is called? > > In fact suspend methods already do take an argument specifying the > reason they were called. It wouldn't be hard to add a couple of extra > PM_EVENT_* values for manual suspend and autosuspend. The problem is > that resume methods don't take a corresponding argument. Well, you could store the value in struct device or something. There's other problem: if autosuspend is != NULL, you know device supports autosuspend. If you call existing suspend(PMSG_AUTOSUSPEND), and driver does not support it, it will crash and burn. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
