Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on linus/master v6.7-rc2 next-20231122] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/marcelo-schmitt-analog-com/MAINTAINERS-Add-MAINTAINERS-entry-for-AD7091R/20231122-093706 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg patch link: https://lore.kernel.org/r/566503a54feba35178c778a7929bced66ebd8870.1700595310.git.marcelo.schmitt1%40gmail.com patch subject: [PATCH 5/7] dt-bindings: iio: Add binding documentation for AD7091R-8 compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231122/202311221707.P5KpelyW-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202311221707.P5KpelyW-lkp@xxxxxxxxx/ dtcheck warnings: (new ones prefixed by >>) >> Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml:50:11: [error] string value is redundantly quoted with any quotes (quoted-strings) vim +50 Documentation/devicetree/bindings/iio/adc/adi,ad7091r8.yaml 8 9 maintainers: 10 - Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx> 11 12 description: | 13 Analog Devices AD7091R-8 8-Channel 12-Bit ADC 14 https://www.analog.com/media/en/technical-documentation/data-sheets/AD7091R-2_7091R-4_7091R-8.pdf 15 16 properties: 17 compatible: 18 enum: 19 - adi,ad7091r2 20 - adi,ad7091r4 21 - adi,ad7091r8 22 23 reg: 24 maxItems: 1 25 26 vref-supply: true 27 28 spi-max-frequency: true 29 30 adi,conversion-start-gpios: 31 description: 32 Device tree identifier of the CONVST pin. 33 This logic input is used to initiate conversions on the analog 34 input channels. 35 maxItems: 1 36 37 reset-gpios: 38 maxItems: 1 39 40 interrupts: 41 maxItems: 1 42 43 required: 44 - compatible 45 - reg 46 - adi,conversion-start-gpios 47 48 patternProperties: 49 "^channel@[0-7]$": > 50 $ref: "adc.yaml" 51 type: object 52 description: Represents the external channels which are connected to the ADC. 53 54 properties: 55 reg: 56 minimum: 0 57 maximum: 7 58 59 required: 60 - reg 61 62 allOf: 63 - $ref: /schemas/spi/spi-peripheral-props.yaml# 64 65 # AD7091R-2 does not have ALERT/BUSY/GPO pin 66 - if: 67 properties: 68 compatible: 69 contains: 70 enum: 71 - adi,ad7091r4 72 - adi,ad7091r8 73 then: 74 properties: 75 interrupts: true 76 else: 77 properties: 78 interrupts: false 79 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki