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[73.93.62.92]) by smtp.gmail.com with ESMTPSA id q5-20020a0cfa05000000b0061b73e331b2sm147332qvn.30.2023.05.24.22.02.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 May 2023 22:02:59 -0700 (PDT) From: William Zhang To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: William Zhang , f.fainelli@gmail.com, Krzysztof Kozlowski , Rob Herring Subject: dt_binding_check report false alarm? Date: Wed, 24 May 2023 22:02:41 -0700 Message-Id: <20230525050241.3700-1-william.zhang@broadcom.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230524_220306_971066_C978C3C1 X-CRM114-Status: GOOD ( 12.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8248163140648662518==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============8248163140648662518== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000dbb70905fc7d884b" --000000000000dbb70905fc7d884b Content-Transfer-Encoding: 8bit Hi, It seems dt_binding_check reports a false error when run on this modified yaml. I picked this simple file just to demostrate this issue. Basically I made the interrupts and interrupt-names as optional properties. But when there are two interrupts present, then interrupt-names are required. However in the example, I don't define interrupts and interrupt-name at all, the dt binding check reports error that interrupt-names are required: make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/crypto/fsl-imx-scc.yaml LINT Documentation/devicetree/bindings CHKDT Documentation/devicetree/bindings/processed-schema.json SCHEMA Documentation/devicetree/bindings/processed-schema.json DTEX Documentation/devicetree/bindings/crypto/fsl-imx-scc.example.dts DTC_CHK Documentation/devicetree/bindings/crypto/fsl-imx-scc.example.dtb Documentation/devicetree/bindings/crypto/fsl-imx-scc.example.dtb: crypto@53fac000: 'interrupt-names' is a required property From schema: /home/william/projects/linux/Documentation/devicetree/bindings/crypto/fsl-imx-scc.yaml This does not make sense to me as name is required only when there are two interrupts. Can someone familar with this please help to check if I miss anything in the yaml file or it is indeed a bug in binding check? Thanks, William --- .../devicetree/bindings/crypto/fsl-imx-scc.yaml | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/crypto/fsl-imx-scc.yaml b/Documentation/devicetree/bindings/crypto/fsl-imx-scc.yaml index 563a31605d2b..c37a3a64a78c 100644 --- a/Documentation/devicetree/bindings/crypto/fsl-imx-scc.yaml +++ b/Documentation/devicetree/bindings/crypto/fsl-imx-scc.yaml @@ -32,11 +32,18 @@ properties: clock-names: const: ipg +allOf: + - if: + properties: + interrupts: + minItems: 2 + then: + required: + - interrupt-names + required: - compatible - reg - - interrupts - - interrupt-names - clocks - clock-names @@ -49,6 +56,4 @@ examples: reg = <0x53fac000 0x4000>; clocks = <&clks 111>; clock-names = "ipg"; - interrupts = <49>, <50>; - interrupt-names = "scm", "smn"; }; -- 2.34.1 --000000000000dbb70905fc7d884b Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: 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