linux-kernel - Re: [PATCH] arm64: dts: broadcom: bcm2712: Add default GIC address cells

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Message-ID: <20250903172254.2512047-1-florian.fainelli@broadcom.com>
Date: Wed,  3 Sep 2025 10:22:54 -0700
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: bcm-kernel-feedback-list@...adcom.com,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	devicetree@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH] arm64: dts: broadcom: bcm2712: Add default GIC address cells

From: Florian Fainelli <f.fainelli@...il.com>

On Fri, 22 Aug 2025 15:34:08 +0200, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> wrote:
> Add missing address-cells 0 to GIC interrupt node to silence W=1
> warning:
> 
>   bcm2712.dtsi:494.4-497.31: Warning (interrupt_map): /axi/pcie@...0110000:interrupt-map:
>     Missing property '#address-cells' in node /soc@...c000000/interrupt-controller@...f9000, 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>
> ---

Applied to https://github.com/Broadcom/stblinux/commits/devicetree-arm64/next, thanks!
--
Florian