Messages in this thread | | | Date | Thu, 21 Dec 2017 15:13:41 -0800 | From | Stephen Boyd <> | Subject | Re: [PATCH 0/3] Add DVFS support on CPU clock for Armada 37xx |
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On 11/30, Gregory CLEMENT wrote: > Hi, > > This small series is needed to use DVFS on Armada 37xx. When DVFS is > enabled the CPU clock setting is done using an other set of registers > from the North Bridge Power Management block. > > The series adds the possibility to modify the CPU frequency using the > associate load level matching the target frequency. However > configuring the frequencies for each load is done by the cpufreq > driver submitted in a separate series. > > Obviously having both series (cpufreq and clk) is needed to support > DVFS on Armada 37xx, but there is no dependencies between the series > (for building or at runtime). >
Are you relying on the clk API returning an error to detect if DVFS is present or not? Just curious why that part of the code was there.
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