11.08.2021 22:48, Dmitry Osipenko пишет: > 11.08.2021 12:45, Rajendra Nayak пишет: >>> >>> If you have more than one power domain, then this will override the >>> pstate which was set for a previous domain. This code doesn't feel solid >>> to me, at least a clarifying comment is needed about how it's supposed >>> to work. >> >> I don't quite understand the concern here, this should work with devices >> having multiple power-domains as well. __genpd_dev_pm_attach gets called >> once per power-domain, and we use the index above to identify the >> power-domain. > > The domain core code supports only one domain per device, see what > genpd_set_performance_state() does. This means that the second domain > will set the state of the *first* domain, which doesn't make sense. The > genpd_set_performance_state() will actually fail with -ENODEV for all > domains if you will try to do that. > I confused the base device with the virtual device there, looks like it should be okay then.
