linux-kernel - Re: [PATCH] Revert "clk: qcom: cpu-8996: simplify the cpu_clk_notifier

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Message-ID: <CACr-zFA=4_wye-uf3NP6bOGTnV7_Cz3-S3eM_TYrg=HDShbkKg@mail.gmail.com>
Date: Sun, 14 Dec 2025 19:26:13 +0000
From: Christopher Obbard <christopher.obbard@...aro.org>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	Dmitry Baryshkov <lumag@...nel.org>, linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
	linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
	Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: Re: [PATCH] Revert "clk: qcom: cpu-8996: simplify the cpu_clk_notifier_cb"

Hi Konrad,

On Mon, 8 Dec 2025 at 22:36, Christopher Obbard
<christopher.obbard@...aro.org> wrote:
> Apologies for the late response, I was in the process of setting some
> more msm8096 boards up again in my new workspace to test this
> properly.
>
>
> > It may be that your board really has a MSM/APQ8x96*SG* which is another
> > name for the PRO SKU, which happens to have a 2 times wider divider, try
> >
> > `cat /sys/bus/soc/devices/soc0/soc_id`
>
> I read the soc_id from both of the msm8096 boards I have:
>
> Open-Q™ 820 µSOM Development Kit (APQ8096)
> ```
> $ cat /sys/bus/soc/devices/soc0/soc_id
> 291
> ```
> (FWIW this board is not in mainline yet; but boots with a DT similar
> enough to the db820c. I have a patch in my upstream backlog enabling
> that board; watch this space)
>
> DragonBoard™ 820c (APQ8096)
> ```
> $ cat /sys/bus/soc/devices/soc0/soc_id
> 291
> ```

Sorry to nag, but are you able to look into this soc_id and see if
it's the PRO SKU ?


Cheers!

Chris