linux-kernel - [PATCH v2 1/8] dt-bindings: PCI: qcom: Enumerate platforms with single msi interrupt

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Date:   Thu, 14 Jul 2022 09:13:41 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH v2 1/8] dt-bindings: PCI: qcom: Enumerate platforms with single msi interrupt

Explicitly enumerate the older platforms that have a single msi host
interrupt. This allows for adding further platforms with, for example,
four msi interrupts without resorting to nested conditionals.

Drop the redundant comment about older chipsets instead of moving it.

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 .../devicetree/bindings/pci/qcom,pcie.yaml      | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 70984037df73..8142c891f18b 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -625,7 +625,6 @@ allOf:
         - reset-names
 
     # On newer chipsets support either 1 or 8 msi interrupts
-    # On older chipsets it's always 1 msi interrupt
   - if:
       properties:
         compatible:
@@ -660,7 +659,21 @@ allOf:
                 - const: msi5
                 - const: msi6
                 - const: msi7
-    else:
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-apq8064
+              - qcom,pcie-apq8084
+              - qcom,pcie-ipq4019
+              - qcom,pcie-ipq6018
+              - qcom,pcie-ipq8064
+              - qcom,pcie-ipq8064-v2
+              - qcom,pcie-ipq8074
+              - qcom,pcie-qcs404
+    then:
       properties:
         interrupts:
           maxItems: 1
-- 
2.35.1