Hi Simon
Thank you for your patch
> Add dummy 2nd port node to rcar_sound ports node to satisfy dtc
> recommendation that #address-cells / #size-cells is only needed.
>
> This addresses the following warning:
>
> arch/arm64/boot/dts/renesas/salvator-common.dtsi:703.8-719.4: Warning (graph_child_address): /soc/sound@ec500000/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
> arch/arm64/boot/dts/renesas/salvator-common.dtsi:703.8-719.4: Warning (graph_child_address): /soc/sound@ec500000/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
>
> This change should not have any run-time effect.
>
> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
>
> ---
> Build tested against renesas-devel-20190214-v5.0-rc6
> ---
> arch/arm64/boot/dts/renesas/salvator-common.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
> index a225c2457274..20b35991bc17 100644
> --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
> +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
> @@ -716,6 +716,15 @@
> capture = <&ssi1 &src1 &dvc1>;
> };
> };
> +
> + /* Dummy node to be overriden by board DT
> + * Satisfies dtc recommendation that
> + * #address-cells / #size-cells is only needed
> + * for graph nodes with multiple child nodes.
> + */
> + rsnd_port1: port@1 {
> + reg = <1>;
> + };
> };
> };
This solution is strange for me.
I want to solve it, but I couldn't reproduce this.
Which branch, and how to reproduce it ?
