linux-kernel - Re: [PATCH v4 11/13] i2c: qcom-geni: Use resources helper APIs in runtime PM functions

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Message-ID: <7733eac7-8158-40f8-8887-44e458d33e9b@oss.qualcomm.com>
Date: Tue, 3 Feb 2026 13:48:10 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Praveen Talari <praveen.talari@....qualcomm.com>,
        Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Mukesh Kumar Savaliya <mukesh.savaliya@....qualcomm.com>,
        Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, bjorn.andersson@....qualcomm.com,
        dmitry.baryshkov@....qualcomm.com
Cc: prasad.sodagudi@....qualcomm.com, quic_vtanuku@...cinc.com,
        aniket.randive@....qualcomm.com, chandana.chiluveru@....qualcomm.com,
        jyothi.seerapu@....qualcomm.com
Subject: Re: [PATCH v4 11/13] i2c: qcom-geni: Use resources helper APIs in
 runtime PM functions

On 2/2/26 7:09 PM, Praveen Talari wrote:
> To manage GENI serial engine resources during runtime power management,
> drivers currently need to call functions for ICC, clock, and
> SE resource operations in both suspend and resume paths, resulting in
> code duplication across drivers.
> 
> The new geni_se_resources_activate() and geni_se_resources_deactivate()
> helper APIs addresses this issue by providing a streamlined method to
> enable or disable all resources based, thereby eliminating redundancy
> across drivers.
> 
> Acked-by: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>
> Signed-off-by: Praveen Talari <praveen.talari@....qualcomm.com>
> ---

[...]


>  	disable_irq(gi2c->irq);
> -	ret = geni_se_resources_off(&gi2c->se);
> +
> +	ret = geni_se_resources_deactivate(&gi2c->se);
>  	if (ret) {
>  		enable_irq(gi2c->irq);
>  		return ret;
> -
> -	} else {
> -		gi2c->suspended = 1;
>  	}
>  
> -	clk_disable_unprepare(gi2c->core_clk);

I believe you can give gi2c->core_clk and desc->has_core_clk the boot
with this patch since they're no longer referenced anywhere

Konrad