Hi Kevin, > Therefore, what is ideally needed is the ability for A's suspend to > simply call pm_runtime_suspend() so the subsystem can do the work. > However, since runtime transitions are locked out by this time, that > doesn't work. IOW, what is needed is a way for a system suspend to say > "please finish the runtime suspend that was already requested." > > What I've done to work around this in driver A is to manually check > pm_runtime_suspended() and directly call the subsystem's runtime > suspend/resume (patch below[1]. NOTE, I've used the _noirq methods to > ensure device A is available when device B needs it.) suppose this driver runs on a platform that has runtime PM disabled. How is it going to work then? Thanks, Vitaly _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
