linux-kernel - Re: [PATCH v2 2/4] arm64: dts: qcom: ipq6018: add 1.5GHz CPU Frequency

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Message-ID: <CAA8EJpojj=3dv+FDm1GwXQ4+DPLncaZ6_6LwWQV2T8JCFpR16g@mail.gmail.com>
Date: Wed, 6 Mar 2024 21:36:16 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Chukun Pan <amadeus@....edu.cn>
Cc: andersson@...nel.org, conor+dt@...nel.org, devicetree@...r.kernel.org, 
	konrad.dybcio@...aro.org, krzysztof.kozlowski+dt@...aro.org, 
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, robh@...nel.org
Subject: Re: [PATCH v2 2/4] arm64: dts: qcom: ipq6018: add 1.5GHz CPU Frequency

On Wed, 6 Mar 2024 at 17:40, Chukun Pan <amadeus@....edu.cn> wrote:
>
> Hi, Dmitry
> > After this patch non-PMIC IPQ6000 boardss are broken until patch3 is
> > applied. Please change the order of these patches.
>
> This is not the case, please see `opp-supported-hw = <0x2>;`.
> Also: https://github.com/torvalds/linux/blob/master/drivers/cpufreq/qcom-cpufreq-nvmem.c#L334
> This 1.5GHz Frequency only takes effect when the fuse value is `2'b1`.
> I have tested this patch on both fused 1.2GHz and 1.5GHz devices.

Then the commit message should be changed, because you are enabling
1.5 GHz only for non-IPQ6000 SoCs. This patch has no effect on
IPQ6000.

--
With best wishes
Dmitry