linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: ipq6018: use CPUFreq NVMEM

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Message-ID: <CAOX2RU553gB_5JvV+2vM2NX1NJj+bQhOO-6RiSPOFciZ58LF9w@mail.gmail.com>
Date:   Wed, 18 Oct 2023 11:37:05 +0200
From:   Robert Marko <robimarko@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Konrad Dybcio <konrad.dybcio@...aro.org>, agross@...nel.org,
        andersson@...nel.org, ilia.lin@...nel.org, rafael@...nel.org,
        viresh.kumar@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: qcom: ipq6018: use CPUFreq NVMEM

On Tue, 17 Oct 2023 at 19:13, Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 17/10/2023 18:55, Konrad Dybcio wrote:
> >
> >
> > On 10/16/23 19:55, Robert Marko wrote:
> >> IPQ6018 comes in multiple SKU-s and some of them dont support all of the
> >> OPP-s that are current set, so lets utilize CPUFreq NVMEM to allow only
> >> supported OPP-s based on the SoC dynamically.
> >>
> >> As an example, IPQ6018 is generaly rated at 1.8GHz but some silicon only
> >> goes up to 1.5GHz and is marked as such via an eFuse.
> >>
> >> Signed-off-by: Robert Marko <robimarko@...il.com>
> >> ---
> >>   arch/arm64/boot/dts/qcom/ipq6018.dtsi | 14 +++++++++++++-
> >>   1 file changed, 13 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> >> index 9aec89d5e095b..49f0e6aa4b5bb 100644
> >> --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> >> +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
> >> @@ -96,42 +96,49 @@ scm {
> >>      };
> >>
> > [...]
> >
> >> +                    cpu_speed_bin: cpu_speed_bin@135 {
> > underscore -> minus sign
> >
> > Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>
> I think Bjorn does not read comments, so he just picks up such patches
> because they got review. Better to ask for fixing it, instead of giving
> conditional review tag, IMHO.

I will fix it up in v2, I am just waiting to see if there are comments
on the driver patch.

Regards,
Robert
>
> Best regards,
> Krzysztof
>