linux-kernel - arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi:647.9-658.5: Warning (graph_child_address): /soc@...pmi@...0000/pmic@...ypec@...0/connector/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary

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Date: Thu, 20 Jun 2024 05:12:47 +0800
From: kernel test robot <lkp@...el.com>
To: Jianhua Lu <lujianhua000@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Subject: arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi:647.9-658.5:
 Warning (graph_child_address):
 /soc@...pmi@...0000/pmic@...ypec@...0/connector/ports: graph node has single
 child node 'port@0', #address-cells/#size-cells are not necessary

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e5b3efbe1ab1793bb49ae07d56d0973267e65112
commit: 69652787279d64b0b0cc350fdfb34c503e40653c arm64: dts: qcom: sm8250-xiaomi-elish: Add pm8150b type-c node and enable usb otg
date:   7 months ago
config: arm64-randconfig-r113-20240606 (https://download.01.org/0day-ci/archive/20240620/202406200530.bulGai7K-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
reproduce: (https://download.01.org/0day-ci/archive/20240620/202406200530.bulGai7K-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406200530.bulGai7K-lkp@intel.com/

dtcheck warnings: (new ones prefixed by >>)
   arch/arm64/boot/dts/qcom/sm8250.dtsi:3466.14-3474.6: Warning (avoid_unnecessary_addr_size): /soc@...unnel@...d000/out-ports: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
   arch/arm64/boot/dts/qcom/sm8250.dtsi:4874.27-4926.6: Warning (avoid_unnecessary_addr_size): /soc@...isplay-subsystem@...0000/dsi@...6000: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
   arch/arm64/boot/dts/qcom/pm8150b.dtsi:165.9-180.4: Warning (avoid_unnecessary_addr_size): /soc@...pmi@...0000/pmic@3: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
   arch/arm64/boot/dts/qcom/sm8250.dtsi:3118.14-3128.6: Warning (graph_child_address): /soc@...pda@...4000/out-ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
   arch/arm64/boot/dts/qcom/sm8250.dtsi:3165.13-3175.6: Warning (graph_child_address): /soc@...unnel@...5000/in-ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
   arch/arm64/boot/dts/qcom/sm8250.dtsi:3378.13-3388.6: Warning (graph_child_address): /soc@...tf@...5000/in-ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
   arch/arm64/boot/dts/qcom/sm8250.dtsi:3733.13-3743.6: Warning (graph_child_address): /soc@...unnel@...0000/in-ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
>> arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi:647.9-658.5: Warning (graph_child_address): /soc@...pmi@...0000/pmic@...ypec@...0/connector/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary

vim +647 arch/arm64/boot/dts/qcom/sm8250-xiaomi-elish-common.dtsi

   630	
   631	&pm8150b_typec {
   632		vdd-pdphy-supply = <&vreg_l2a_3p1>;
   633		status = "okay";
   634	
   635		connector {
   636			compatible = "usb-c-connector";
   637	
   638			power-role = "source";
   639			data-role = "dual";
   640			self-powered;
   641	
   642			source-pdos = <PDO_FIXED(5000, 3000,
   643						 PDO_FIXED_DUAL_ROLE |
   644						 PDO_FIXED_USB_COMM |
   645						 PDO_FIXED_DATA_SWAP)>;
   646	
 > 647			ports {
   648				#address-cells = <1>;
   649				#size-cells = <0>;
   650	
   651				port@0 {
   652					reg = <0>;
   653	
   654					pm8150b_role_switch_in: endpoint {
   655						remote-endpoint = <&usb_1_role_switch_out>;
   656					};
   657				};
   658			};
   659		};
   660	};
   661	

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https://github.com/intel/lkp-tests/wiki