> > Note that this does mean that all PM domain providers that do not rely
> > on pm_clk, but have their own start/stop methods, need to be aware of
> > this quirk, and should take care of reference counting themselves.
> > Fortunately there seems to be only one:
> > drivers/soc/ti/ti_sci_pm_domains.c.
> > Unfortunately it doesn't do reference counting, so if that PM domain
> > driver is ever used with a driver that calls dev_pm_domain_start(),
> > mysterious things may happen...
> 
> Good point. Perhaps we should document this somewhere.

I haven't understood all of the details, but Geert's description sounds
like we definately should document this. Anyone up for it? Otherwise
I'll dig more into it...