On Thu, Feb 4, 2021 at 1:41 PM Viresh Kumar <viresh.ku...@linaro.org> wrote: > > On 03-02-21, 17:23, Hsin-Yi Wang wrote: > > The devfreq passive governor scales the frequency of a "child" device based > > on the current frequency of a "parent" device (not parent/child in the > > sense of device hierarchy). As of today, the passive governor requires one > > of the following to work correctly: > > 1. The parent and child device have the same number of frequencies > > 2. The child device driver passes a mapping function to translate from > > parent frequency to child frequency. > > > > When (1) is not true, (2) is the only option right now. But often times, > > all that is required is a simple mapping from parent's frequency to child's > > frequency. > > > > Since OPPs already support pointing to other "required-opps", add support > > for using that to map from parent device frequency to child device > > frequency. That way, every child device driver doesn't have to implement a > > separate mapping function anytime (1) isn't true. > > So you guys aren't interested in dev_pm_opp_set_opp() but just the > translation of the required-OPPs ? > I think this series focuses on required-opps.
> I am fine with most of the stuff and I would like to take it via OPP > tree, hope that would be fine ? > Sounds good to me, thanks. > -- > viresh