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SubjectRe: [PATCH v2 2/4] arm64: dts: ti: k3: squelch warnings regarding no #address-cells for interrupt-controller
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Hi Rob,

On 17/11/2020 18:19, Sekhar Nori wrote:
> With dtc 1.6.0, building TI device-tree files with W=2 results in warnings
> like below for all interrupt controllers.
>
> /bus@100000/bus@30000000/interrupt-controller1: Missing #address-cells in interrupt provider
>
> Fix these by adding #address-cells = <0>; for all interrupt controllers in
> TI device-tree files. Any other #address-cells value is really only needed
> if interrupt-map property is being used (which is not the case for existing
> TI device-tree files)
>
> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 5 +++++
> arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 2 ++
> arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 1 +
> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 3 +++
> arch/arm64/boot/dts/ti/k3-j7200-mcu-wakeup.dtsi | 1 +
> arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts | 1 +
> arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 11 +++++++++++
> arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 3 +++
> 8 files changed, 27 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index aa8725db0187..55aaa1404d7d 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -440,6 +440,7 @@
> interrupt-controller;
> interrupt-parent = <&gic500>;
> #interrupt-cells = <1>;
> + #address-cells = <0>;
Does it really required or mandatory to have #address-cells = <0>; defined for interrupt-controller DT nodes which
do not have child nodes and no "interrupt-map"?

--
Best regards,
grygorii

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