On Wed, Oct 21, 2020 at 11:20:27AM -0500, Rob Herring wrote: > On Tue, Oct 20, 2020 at 3:37 PM Sudeep Holla <sudeep.holla@xxxxxxx> wrote: > > [...] > > When is this not 1 (IOW, you only need this if variable)? How would it > be used outside SCMI (given it has a generic name)? > > > + > > +* Property arm,scmi-perf-domain > [...] > Really though, why can't you give SCMI a CPUs MPIDR and get its domain? > Now I remembered why we can't use MPIDR. The spec talks about perf domains for devices in generic. CPU is just a special device. We will still need a mechanism to get device performance domain. So MPIDR idea was dropped to keep it uniform across all the devices. -- Regards, Sudeep
