linux-kernel - Re: [PATCH v4 08/10] soc: qcom: cpr3: Add IPQ9574 definitions

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Message-ID: <ZoYs1ATONyplhWqw@hu-varada-blr.qualcomm.com>
Date: Thu, 4 Jul 2024 10:32:12 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: <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 08/10] soc: qcom: cpr3: Add IPQ9574 definitions

On Wed, Jul 03, 2024 at 01:49:15PM +0300, Dmitry Baryshkov wrote:
> On Wed, Jul 03, 2024 at 02:46:49PM GMT, Varadarajan Narayanan wrote:
> > From: Praveenkumar I <quic_ipkumar@...cinc.com>
> >
> > * Add thread, scaling factor, CPR descriptor defines to enable
> >   CPR on IPQ9574.
> >
> > * Skip 'acc' usage since IPQ9574 does not have acc
> >
> > Signed-off-by: Praveenkumar I <quic_ipkumar@...cinc.com>
> > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > ---
> > v4: s/silver//, s/cprh/cpr4/
> >     Skip 'acc' related code as IPQ9574 does not have acc
> >
> > v3: Fix patch author
> >     Included below information in cover letter
> > v2: Fix Signed-off-by order
> > Depends:
> > 	[1] https://lore.kernel.org/lkml/20230217-topic-cpr3h-v14-0-9fd23241493d@linaro.org/T/
> > 	[2] https://github.com/quic-varada/cpr/commits/konrad/
> > ---
> >  drivers/pmdomain/qcom/cpr3.c | 143 ++++++++++++++++++++++++++++++++++-
> >  1 file changed, 141 insertions(+), 2 deletions(-)
> >
>
>
>
> > @@ -2703,7 +2840,8 @@ static int cpr_probe(struct platform_device *pdev)
> >
> >  	mutex_init(&drv->lock);
> >
> > -	if (desc->cpr_type < CTRL_TYPE_CPRH) {
> > +	if (desc->cpr_type < CTRL_TYPE_CPRH &&
> > +	    !of_device_is_compatible(dev->of_node, "qcom,ipq9574-cpr4")) {
>
> No. Check for ->acc_desc instead.

Ok.

Thanks
Varada

> >  		np = of_parse_phandle(dev->of_node, "qcom,acc", 0);
> >  		if (!np)
> >  			return -ENODEV;
> > @@ -2828,6 +2966,7 @@ static void cpr_remove(struct platform_device *pdev)
> >  }
> >
> >  static const struct of_device_id cpr3_match_table[] = {
> > +	{ .compatible = "qcom,ipq9574-cpr4", .data = &ipq9574_cpr_acc_desc },
> >  	{ .compatible = "qcom,msm8998-cprh", .data = &msm8998_cpr_acc_desc },
> >  	{ .compatible = "qcom,sdm630-cprh", .data = &sdm630_cpr_acc_desc },
> >  	{ }
> > --
> > 2.34.1
> >
>
> --
> With best wishes
> Dmitry