linux-kernel - Re: [PATCH v2 2/2] PCI: qcom: Treat PHY as optional for the new binding

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Message-ID: <ed1e6e3f-946b-481b-a183-c39771686c10@oss.qualcomm.com>
Date: Thu, 6 Nov 2025 13:14:48 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kwilczynski@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, Abraham I <kishon@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
Cc: linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Subject: Re: [PATCH v2 2/2] PCI: qcom: Treat PHY as optional for the new
 binding

On 11/6/25 12:27 PM, Manivannan Sadhasivam wrote:
> Some platforms like the old ARM32 IPQ/APQ platforms do not supply the
> 'phys' property in devicetree. Hence, treat the PHY as optional in
> qcom_pcie_parse_port(), so that they can work with the new binding model
> of specifying PERST# in Root Port node.
> 
> Fixes: a2fbecdbbb9d ("PCI: qcom: Add support for parsing the new Root Port binding")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@....qualcomm.com>
> ---

Hm, I suppose they must rely on the PHY being pre-programmed then

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad