linux-kernel - Re: [PATCH v3 05/12] soc: qcom: geni-se: Introduce helper API for attaching power domains

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Message-ID: <d13d1931-c6b2-4f4c-873e-efd45823fa89@oss.qualcomm.com>
Date: Fri, 30 Jan 2026 13:12:59 +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, bryan.odonoghue@...aro.org,
        dmitry.baryshkov@....qualcomm.com, bjorn.andersson@....qualcomm.com
Cc: prasad.sodagudi@....qualcomm.com, quic_vtanuku@...cinc.com,
        aniket.randive@....qualcomm.com, chandana.chiluveru@....qualcomm.com
Subject: Re: [PATCH v3 05/12] soc: qcom: geni-se: Introduce helper API for
 attaching power domains

On 1/12/26 11:47 AM, Praveen Talari wrote:
> The GENI Serial Engine drivers (I2C, SPI, and SERIAL) currently handle
> the attachment of power domains. This often leads to duplicated code
> logic across different driver probe functions.
> 
> Introduce a new helper API, geni_se_domain_attach(), to centralize
> the logic for attaching "power" and "perf" domains to the GENI SE
> device.
> 
> Signed-off-by: Praveen Talari <praveen.talari@....qualcomm.com>
> ---

[...]

> +/**
> + * geni_se_domain_attach() - Attach power domains to a GENI SE device.
> + * @se: Pointer to the geni_se structure representing the GENI SE device.
> + *
> + * This function attaches the necessary power domains ("power" and "perf")
> + * to the GENI Serial Engine device. It initializes `se->pd_list` with the
> + * attached domains.

Please sprinkle somewhere into this kerneldoc that this is specifically
for the SCMI-auto-VM setup, otherwise "the necessary power domains"
is at best confusing to an external reader

Konrad