linux-kernel - [PATCH v3 1/4] dt-bindings: PCI: qcom: adjust iommu-map for different SoC

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Date:   Fri,  8 Dec 2023 11:51:52 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v3 1/4] dt-bindings: PCI: qcom: adjust iommu-map for different SoC

The PCIe controller on SDX55 has five entries in its iommu-map, MSM8998
has one and SDM845 has sixteen, so allow wider number of items to fix
dtbs_check warnings like:

  qcom-sdx55-mtp.dtb: pcie@...0000: iommu-map: [[0, 21, 512, 1], [256, 21, 513, 1],
    [512, 21, 514, 1], [768, 21, 515, 1], [1024, 21, 516, 1]] is too long

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Please take the patch via PCI tree.

Changes in v3:
1. None

Changes in v2:
1. Add Acs/Rb.
---
 Documentation/devicetree/bindings/pci/qcom,pcie.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 9dbc07dfd48f..5056da499f04 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -66,7 +66,8 @@ properties:
     maxItems: 8
 
   iommu-map:
-    maxItems: 2
+    minItems: 1
+    maxItems: 16
 
   # Common definitions for clocks, clock-names and reset.
   # Platform constraints are described later.
-- 
2.34.1