Hi Rafael, On Sun, 26 Jun 2011 00:56:31 +0200 "Rafael J. Wysocki" <rjw@xxxxxxx> wrote: > Index: linux-2.6/Documentation/power/runtime_pm.txt > =================================================================== > --- linux-2.6.orig/Documentation/power/runtime_pm.txt > +++ linux-2.6/Documentation/power/runtime_pm.txt > @@ -567,6 +567,11 @@ this is: > pm_runtime_set_active(dev); > pm_runtime_enable(dev); > > +The PM core always increments the run-time usage counter before calling the > +->suspend() callback and decrements it after calling the ->resume() callback. > +Hence disabling run-time PM temporarily like this will not cause any run-time > +suspend callbacks to be lost. Could you explain why the above is that "this will not cause any run-time suspend callbacks to be lost"? Looks like it should be "this will not cause any run-time suspend callbacks to be called", but not sure. thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html