[PATCH V2 11/15] cpufreq: mediatek: Update logic of voltage_tracking()

Kevin Hilman khilman at baylibre.com
Fri Apr 8 14:08:36 PDT 2022


Rex-BC Chen <rex-bc.chen at mediatek.com> writes:

> From: Jia-Wei Chang <jia-wei.chang at mediatek.com>
>
> - Remove VOLT_TOL because CCI may share the same sram and vproc
>   regulators with CPU. Therefore, set the max voltage in
>   regulator_set_voltage() to the proc{sram}_max_volt.

This could you a bit more detailed explanation.  Why does VOLT_TOL get
in the way when regulators are shared between CPU & CCI?

> - Move comparison of new and old voltages to
>   mtk_cpufreq_voltage_tracking().

Why?  And how is this related to the above change?  Seems to me that it
belongs in a separate patch.

Kevin



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