Hi Ulf,

> > +#ifdef CONFIG_PM
> > +       /* PM handles the clock; disable it so it won't be enabled twice. */
> > +       if (_host->clk_disable && pdev->dev.pm_domain)
> 
> Hmm.
> 
> This seems to work for most cases of yours, but it's fragile, because
> how do you know that the pm_domain above is managing the clock? You
> don't.
> 

...

> I am going to think a bit more about this, but at this point, my
> gut-feeling is that may need to add some helper functions to let genpd
> and/or the pm_clk framework, to share some internal information with
> drivers.

Any outcome of this? Do you want to do it?

Kind regards,

   Wolfram