linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sdm845: Add cpu OPP tables

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Date:   Wed, 8 Jul 2020 21:22:23 -0500
From:   Steev Klimaszewski <steev@...i.org>
To:     Sibi Sankar <sibis@...eaurora.org>, bjorn.andersson@...aro.org
Cc:     viresh.kumar@...aro.org, sboyd@...nel.org,
        georgi.djakov@...aro.org, agross@...nel.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, saravanak@...gle.com,
        dianders@...omium.org, vincent.guittot@...aro.org,
        amit.kucheria@...aro.org, robdclark@...omium.org
Subject: Re: [PATCH v2] arm64: dts: qcom: sdm845: Add cpu OPP tables


On 7/2/20 3:46 PM, Sibi Sankar wrote:
> Add OPP tables required to scale DDR/L3 per freq-domain on SDM845 SoCs.
>
> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> ---


Hi Sibi,


Bjorn asked me to give this patch a whirl, and I have to say, I like it
but I'm not sure if I'm missing a dependency somewhere...


In 5.8.0-rc4, I'm seeing a couple probe defers

[    0.131341] cpu cpu0: _allocate_opp_table: Error finding interconnect
paths: -517

[    0.132694] cpu cpu4: _allocate_opp_table: Error finding interconnect
paths: -517

And then a bit later on,

[    0.625837] cpu cpu0: failed to get clock: -2


If these aren't anything to worry about, you can throw my Tested-by on

Tested-by: Steev Klimaszewski <steev@...i.org>