On Fri, 2 May 2014, Andrew Bresticker wrote: > >> + /* > >> + * TODO: Turn off the clusters when all cores in the cluster > >> + * are down to achieve significant power savings. > >> + */ > > > > This comment should actually be located right after the > > "if (exynos_cluster_unused(cluster))" above. That is where the cluster > > control should be applied, assuming it'll be effective only when WFI is > > executed. > > Correct me if I'm wrong Samsung folks, but I thought it was not > possible to apply cluster power control from a CPU within the cluster > being powered down, i.e. a CPU in the other cluster must be the one to > apply the cluster power control to power down the outbound cluster. Is this true even for deep idle C-states? Nicolas -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
