Sudeep, Lorenzo, Mark, On Mon, 13 May 2019 at 21:23, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: > > This series enables support for hierarchical CPU arrangement, managed by PSCI > for ARM/ARM64. It's based on using the generic PM domain (genpd), which > recently was extended to manage devices belonging to CPUs. > > The last two DTS patches enables the hierarchical topology to be used for the > Qcom 410c Dragonboard and the Hisilicon Hikey board. The former uses PSCI OS- > initiated mode, while the latter uses the PSCI Platform-Coordinated mode. In > other words, the hierarchical description of the topology in DT, is orthogonal > to the supported PSCI CPU suspend mode. > > Do note, these patches have been posted earlier, but then being part of bigger > series, which at that point also included the needed infrastructure changes to > genpd and cpuidle. Rather than continue to carry the old version history, > which may be a bit confusing, I decided to start over. Although, for clarity, > the changelog below explains what changes that have been made since the last > submission was made. Is there anything I can do to help the review to get going here? FYI, I hosted a talk about "cluster idle" at OSPM in Pisa a few weeks ago. There is a couple of slides [1] with flowcharts of how it works, that may be of interest for you. Kind regards Uffe [...] [1] http://retis.sssup.it/ospm-summit/Downloads/01_02-ClusterIdle_UlfHansson.pdf
