[openeuler:OLK-6.6 2681/2881] dtbs_check: Documentation/devicetree/bindings/arm/arm,mpam-msc.yaml:76:15: [error] string value is redundantly quoted with any quotes (quoted-strings)

31 Jan 2024

      tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   370d9c06c9c2609f0c25810eb8f913fc9cdde776
commit: c21dc717760f8594e1fccae49eb86eb05e9a5f12 [2681/2881] dt-bindings: arm: Add MPAM MSC binding
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240131/202401310530.n3p0dJu0-lkp@i...)

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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401310530.n3p0dJu0-lkp@intel.com/

dtcheck warnings: (new ones prefixed by >>)
...
...
Documentation/devicetree/bindings/arm/arm,mpam-msc.yaml:76:15: [error] string value is redundantly quoted with any quotes (quoted-strings)
   Documentation/devicetree/bindings/arm/arm,mpam-msc.yaml:82:15: [error] string value is redundantly quoted with any quotes (quoted-strings)
vim +76 Documentation/devicetree/bindings/arm/arm,mpam-msc.yaml

     8	
     9	description: |
    10	  The Arm MPAM specification can be found here:
    11	
    12	  https://developer.arm.com/documentation/ddi0598/latest
    13	
    14	maintainers:
    15	  - Rob Herring <robh@kernel.org>
    16	
    17	properties:
    18	  compatible:
    19	    items:
    20	      - const: arm,mpam-msc                   # Further details are discoverable
    21	      - const: arm,mpam-memory-controller-msc
    22	
    23	  reg:
    24	    maxItems: 1
    25	    description: A memory region containing registers as defined in the MPAM
    26	      specification.
    27	
    28	  interrupts:
    29	    minItems: 1
    30	    items:
    31	      - description: error (optional)
    32	      - description: overflow (optional, only for monitoring)
    33	
    34	  interrupt-names:
    35	    oneOf:
    36	      - items:
    37	          - enum: [ error, overflow ]
    38	      - items:
    39	          - const: error
    40	          - const: overflow
    41	
    42	  arm,not-ready-us:
    43	    description: The maximum time in microseconds for monitoring data to be
    44	      accurate after a settings change. For more information, see the
    45	      Not-Ready (NRDY) bit description in the MPAM specification.
    46	
    47	  numa-node-id: true # see NUMA binding
    48	
    49	  '#address-cells':
    50	    const: 1
    51	
    52	  '#size-cells':
    53	    const: 0
    54	
    55	patternProperties:
    56	  '^ris@[0-9a-f]$':
    57	    type: object
    58	    additionalProperties: false
    59	    description: |
    60	      RIS nodes for each RIS in an MSC. These nodes are required for each RIS
    61	      implementing known MPAM controls
    62	
    63	    properties:
    64	      compatible:
    65	        enum:
    66	            # Bulk storage for cache
    67	          - arm,mpam-cache
    68	            # Memory bandwidth
    69	          - arm,mpam-memory
    70	
    71	      reg:
    72	        minimum: 0
    73	        maximum: 0xf
    74	
    75	      cpus:
...
76	        $ref: '/schemas/types.yaml#/definitions/phandle-array'
    77	        description:
    78	          Phandle(s) to the CPU node(s) this RIS belongs to. By default, the parent
    79	          device's affinity is used.
    80	
    81	      arm,mpam-device:
    82	        $ref: '/schemas/types.yaml#/definitions/phandle'
    83	        description:
    84	          By default, the MPAM enabled device associated with a RIS is the MSC's
    85	          parent node. It is possible for each RIS to be associated with different
    86	          devices in which case 'arm,mpam-device' should be used.
    87	
    88	    required:
    89	      - compatible
    90	      - reg
    91	
    92	required:
    93	  - compatible
    94	  - reg
    95	
    96	dependencies:
    97	  interrupts: [ interrupt-names ]
    98
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