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 <[email protected]> > > --- > 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 ?
