linux-kernel - Re: [PATCH 02/11] dt-bindings: PCI: qcom: Add iommu properties

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Date:   Thu, 23 Feb 2023 10:37:27 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        andersson@...nel.org, lpieralisi@...nel.org, robh@...nel.org,
        kw@...ux.com, krzysztof.kozlowski+dt@...aro.org, vkoul@...nel.org
Cc:     konrad.dybcio@...aro.org, bhelgaas@...gle.com, kishon@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 02/11] dt-bindings: PCI: qcom: Add iommu properties

On 22/02/2023 16:32, Manivannan Sadhasivam wrote:
> Most of the PCIe controllers require iommu support to function properly.
> So let's add them to the binding.
> 

If most of them require iommu, why not adding it as a required property
to respective (or new) "if:then:" part?

Best regards,
Krzysztof