linux-kernel - [PATCH 12/15] ARM: dts: qcom: apq8064: Add default GIC address cells

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Message-Id: <20250822-dts-interrupt-address-cells-v1-12-d54d44b74460@linaro.org>
Date: Fri, 22 Aug 2025 14:04:12 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, cros-qcom-dts-watchers@...omium.org
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 12/15] ARM: dts: qcom: apq8064: Add default GIC address
 cells

Add missing address-cells 0 to GIC interrupt node to silence W=1
warning:

  qcom-apq8064.dtsi:1353.4-1356.29: Warning (interrupt_map): /soc/pcie@...00000:interrupt-map:
    Missing property '#address-cells' in node /soc/interrupt-controller@...0000, using 0 as fallback

Value '0' is correct because:
1. GIC interrupt controller does not have children,
2. interrupt-map property (in PCI node) consists of five components and
   the fourth component "parent unit address", which size is defined by
   '#address-cells' of the node pointed to by the interrupt-parent
   component, is not used (=0).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 arch/arm/boot/dts/qcom/qcom-apq8064.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
index 17e506ca2438b33675477b65584c2b15bc1ae11d..4c9743423ea880515a05148091ed97411f08e8a3 100644
--- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
@@ -342,6 +342,7 @@ sfpb_mutex: hwmutex@...0600 {
 		intc: interrupt-controller@...0000 {
 			compatible = "qcom,msm-qgic2";
 			interrupt-controller;
+			#address-cells = <0>;
 			#interrupt-cells = <3>;
 			reg = <0x02000000 0x1000>,
 			      <0x02002000 0x1000>;

-- 
2.48.1