Re: [PATCH v4 11/12] cpufreq: Add module to register cpufreq on Krait CPUs

From: Viresh Kumar
Date: Mon Dec 11 2017 - 03:39:14 EST


On 08-12-17, 15:12, Sricharan R wrote:
> From: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
>
> Register a cpufreq-generic device whenever we detect that a
> "qcom,krait" compatible CPU is present in DT.
>
> Cc: <devicetree@xxxxxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/arm/msm/qcom,pvs.txt | 38 ++++
> drivers/cpufreq/Kconfig.arm | 9 +
> drivers/cpufreq/Makefile | 1 +
> drivers/cpufreq/qcom-cpufreq.c | 204 +++++++++++++++++++++
> 4 files changed, 252 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/msm/qcom,pvs.txt
> create mode 100644 drivers/cpufreq/qcom-cpufreq.c

This must be done differently as we have enhanced OPP core to support such
hardware. Look at: dev_pm_opp_set_prop_name() and the binding around it
(opp-microvolt-<name>). Talk to Stephen, he was part of all those discussions.

--
viresh