linux-kernel - Re: [PATCH v4 02/10] cpufreq: qcom-nvmem: Add support for IPQ9574

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Message-ID: <a3uw7f4rxpiakofjeqrqqaopvuzfwhdtiexigfoqyj233qmpbc@dlhlaj5namff>
Date: Wed, 3 Jul 2024 13:47:50 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Varadarajan Narayanan <quic_varada@...cinc.com>, vireshk@...nel.org, 
	nm@...com, sboyd@...nel.org, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, angelogioacchino.delregno@...labora.com, andersson@...nel.org, 
	konrad.dybcio@...aro.org, mturquette@...libre.com, ilia.lin@...nel.org, rafael@...nel.org, 
	ulf.hansson@...aro.org, quic_sibis@...cinc.com, quic_rjendra@...cinc.com, 
	quic_rohiagar@...cinc.com, abel.vesa@...aro.org, otto.pflueger@...cue.de, 
	danila@...xyga.com, quic_ipkumar@...cinc.com, luca@...tu.xyz, 
	stephan.gerhold@...nkonzept.com, nks@...wful.org, linux-pm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	linux-clk@...r.kernel.org
Subject: Re: [PATCH v4 02/10] cpufreq: qcom-nvmem: Add support for IPQ9574

On Wed, Jul 03, 2024 at 03:49:44PM GMT, Viresh Kumar wrote:
> On 03-07-24, 14:46, Varadarajan Narayanan wrote:
> > Add qcom_cpufreq_match_data for IPQ9574. This is used for tying
> > up the cpu@N nodes with the power domains. match_data_kryo is not
> > used since it doesn't set genpd_names. If genpd_names is not set,
> > 'cat /sys/kernel/debug/qcom_cpr3/thread0' causes cpr3_debug_info_show()
> > to crash while trying to read thread->corner->last_uV as
> > thread->corner is NULL.
> > 
> > 	Call trace:
> > 		cpr3_debug_info_show
> > 		seq_read_iter
> > 		seq_read
> > 
> > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > ---
> > v4: Update commit log to include stack trace
> >     Introduce qcom_cpufreq_match_data for IPQ9574
> 
> Can I apply this without other changes ?

It will break CPUfreq support on IPQ9574. So this patch should go last.

-- 
With best wishes
Dmitry