linux-kernel - [PATCH] arm64: dts: toshiba: tmpv7708: Add default GIC address cells

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Message-ID: <20250822133340.312380-2-krzysztof.kozlowski@linaro.org>
Date: Fri, 22 Aug 2025 15:33:41 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] arm64: dts: toshiba: tmpv7708: Add default GIC address cells

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

  tmpv7708.dtsi:503.4-507.28: Warning (interrupt_map): /soc/pcie@...00000:interrupt-map:
    Missing property '#address-cells' in node /soc/interrupt-controller@...01000, 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/arm64/boot/dts/toshiba/tmpv7708.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
index 39806f0ae513..9aa7b1872bd6 100644
--- a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
+++ b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
@@ -152,6 +152,7 @@ soc {
 		gic: interrupt-controller@...01000 {
 			compatible = "arm,gic-400";
 			interrupt-controller;
+			#address-cells = <0>;
 			#interrupt-cells = <3>;
 			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
 			reg = <0 0x24001000 0 0x1000>,
-- 
2.48.1