linux-kernel - arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts:93.20-127.4: Warning (avoid_unnecessary_addr_size): /soc@...2c@...6000/led-controller@30: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property

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Date: Tue, 18 Jun 2024 23:35:16 +0800
From: kernel test robot <lkp@...el.com>
To: André Apitzsch <git@...tzsch.eu>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts:93.20-127.4:
 Warning (avoid_unnecessary_addr_size): /soc@...2c@...6000/led-controller@30:
 unnecessary #address-cells/#size-cells without "ranges" or child "reg"
 property

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3d54351c64e8f9794e8838196036a2de3d752fce
commit: 5017b8cdb7ebeb32d7f12a05b34d58662e137dbe arm64: dts: qcom: msm8916-longcheer-l8910: Enable RGB LED
date:   8 months ago
config: arm64-randconfig-r113-20240606 (https://download.01.org/0day-ci/archive/20240618/202406182328.xfDfqYOF-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/20240618/202406182328.xfDfqYOF-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/202406182328.xfDfqYOF-lkp@intel.com/

dtcheck warnings: (new ones prefixed by >>)
   arch/arm64/boot/dts/qcom/msm8916.dtsi:1592.27-1640.6: Warning (avoid_unnecessary_addr_size): /soc@...isplay-subsystem@...0000/dsi@...8000: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
>> arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts:93.20-127.4: Warning (avoid_unnecessary_addr_size): /soc@...2c@...6000/led-controller@30: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
   arch/arm64/boot/dts/qcom/msm8916.dtsi:463.26-466.6: Warning (unique_unit_address_if_enabled): /soc@...fprom@...00/base1@d0: duplicate unit-address (also used in node /soc@...fprom@...00/s0-p1@d0)
   arch/arm64/boot/dts/qcom/msm8916.dtsi:478.26-481.6: Warning (unique_unit_address_if_enabled): /soc@...fprom@...00/s1-p1@d2: duplicate unit-address (also used in node /soc@...fprom@...00/s1-p2@d2)
   arch/arm64/boot/dts/qcom/msm8916.dtsi:491.26-494.6: Warning (unique_unit_address_if_enabled): /soc@...fprom@...00/s2-p2@d4: duplicate unit-address (also used in node /soc@...fprom@...00/s4-p1@d4)
   arch/arm64/boot/dts/qcom/msm8916.dtsi:503.26-506.6: Warning (unique_unit_address_if_enabled): /soc@...fprom@...00/s4-p2@d5: duplicate unit-address (also used in node /soc@...fprom@...00/s5-p1@d5)
   arch/arm64/boot/dts/qcom/msm8916.dtsi:1579.11-1589.7: Warning (graph_child_address): /soc@...isplay-subsystem@...0000/display-controller@...1000/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary

vim +93 arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts

    89	
    90	&blsp_i2c2 {
    91		status = "okay";
    92	
  > 93		led-controller@30 {
    94			compatible = "kinetic,ktd2026";
    95			reg = <0x30>;
    96			#address-cells = <1>;
    97			#size-cells = <0>;
    98	
    99			vin-supply = <&pm8916_l17>;
   100			vio-supply = <&pm8916_l6>;
   101	
   102			pinctrl-0 = <&status_led_default>;
   103			pinctrl-names = "default";
   104	
   105			multi-led {
   106				color = <LED_COLOR_ID_RGB>;
   107				function = LED_FUNCTION_STATUS;
   108	
   109				#address-cells = <1>;
   110				#size-cells = <0>;
   111	
   112				led@0 {
   113					reg = <0>;
   114					color = <LED_COLOR_ID_RED>;
   115				};
   116	
   117				led@1 {
   118					reg = <1>;
   119					color = <LED_COLOR_ID_GREEN>;
   120				};
   121	
   122				led@2 {
   123					reg = <2>;
   124					color = <LED_COLOR_ID_BLUE>;
   125				};
   126			};
   127		};
   128	};
   129	

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