Mike Turquette <mturquette@...> writes: > > Dynamic voltage and frequency scaling (dvfs) is a common power saving > technique in many of today's modern processors. This patch introduces a > common clk rate-change notifier handler which scales voltage > appropriately whenever clk_set_rate is called on an affected clock.
For DVFS to be useful, we might need to be notified on "clk_enable" and "clk_disable" since there are cases that driver will disable or enable clock directly but not calling clk_set_rate. Do you agree that notifier in common clock need to be improved? > > There are three prerequisites to using this feature: > > 1) the affected clocks must be using the common clk framework > 2) voltage must be scaled using the regulator framework > 3) clock frequency and regulator voltage values must be paired via the > OPP library > _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev