From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F315C77B7E for ; Thu, 25 May 2023 15:23:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230464AbjEYPXg (ORCPT ); Thu, 25 May 2023 11:23:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230502AbjEYPXf (ORCPT ); Thu, 25 May 2023 11:23:35 -0400 Received: from mail-qk1-x72d.google.com (mail-qk1-x72d.google.com [IPv6:2607:f8b0:4864:20::72d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47D06A3 for ; Thu, 25 May 2023 08:23:34 -0700 (PDT) Received: by mail-qk1-x72d.google.com with SMTP id af79cd13be357-757942bd912so59756685a.2 for ; Thu, 25 May 2023 08:23:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1685028213; x=1687620213; h=in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:from:to:cc:subject:date:message-id:reply-to; bh=Irj/1jW+7IFsFP1oPMHyVCN0QoTKWvTN0ETrOaepsek=; b=UoR9eEhE6oXJLRTJwUU6zI6Tiqehz1p/hif0TEnuHNeOxAED/bMo6aMbmeylh3+87q X2/td7QiYnDg4Hx+YlD7d0IEJNsn3T4Vlk6Ol5ocnYX6uWC5RXZzvc/HwuB87sehgHtn gzVl7fJA5R3qBZG4xsac4j/kLyCnD0g7h6I08= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685028213; x=1687620213; h=in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Irj/1jW+7IFsFP1oPMHyVCN0QoTKWvTN0ETrOaepsek=; b=ABpreRKses6OEvE1Jmyc09iBbKGRUBSsgqzNzBDwtey3h9pvCNPYz82rLRaQD3XOZx 5cvdTvNpDCQircDmRlHf9d9UF3nq0jVSNUmeLmxbXQLPtJW5n8E6h/x1/T8YOJ3VHyk/ y+EZBbTQUqUxkqGVHyD952OL+dBDz0iK1hwUbjlGrK2RyQGkTnSFhHJNsnLlfXVDLMwO P2Nd8c/HmMO4riDWex50x65WhUmkmxmO1VQwAS0LTW7P0IxO0rnjjJvdhlwyxajaKRMQ XNegUgS2+745FRsQdJXw0bqGOiD7C/VHtFyUP0k86Z2h1Cqyob9qInnpJ2oqLpdfsDyN 7/Pw== X-Gm-Message-State: AC+VfDzISzd/M8uB6YkjTIf6R3zKwRu4k7kzWe7YR8WzyhComU/07ZlU xxev3hCLH1FjkFodt7DYDs+JPw== X-Google-Smtp-Source: ACHHUZ5Si0UP6tnnp+STDw2NFtSZmUSyJT9wJhbjFs7W1HQ0tkypF1P7LP7K5WRey4dzte1GjqwG7w== X-Received: by 2002:a05:620a:3d88:b0:75b:23a1:8325 with SMTP id ts8-20020a05620a3d8800b0075b23a18325mr10571180qkn.32.1685028213337; Thu, 25 May 2023 08:23:33 -0700 (PDT) Received: from bcacpedev-irv-3.lvn.broadcom.net ([192.19.161.250]) by smtp.gmail.com with ESMTPSA id mg16-20020a056214561000b0061b63237be3sm466584qvb.131.2023.05.25.08.23.31 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 25 May 2023 08:23:32 -0700 (PDT) Subject: Re: dt_binding_check report false alarm? To: Conor Dooley Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, f.fainelli@gmail.com, Krzysztof Kozlowski , Rob Herring References: <20230525050241.3700-1-william.zhang@broadcom.com> <20230525-wrench-lushness-f9a1ad022798@wendy> From: William Zhang Message-ID: <00604ffd-ccb3-e640-5457-1fa1ed663d26@broadcom.com> Date: Thu, 25 May 2023 08:23:30 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <20230525-wrench-lushness-f9a1ad022798@wendy> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000001cce9805fc86349e" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --0000000000001cce9805fc86349e Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sorry for the multiple emails. Our mail relay server was not working properly. Hi Conor, On 05/25/2023 06:23 AM, Conor Dooley wrote: > Hey William, > > On Wed, May 24, 2023 at 10:02:41PM -0700, William Zhang wrote: >> 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: > > Rob and Krzysztof would know more than me, but since they're not > around... > >> 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 > > ...I don't think you can actually do this and "minItems: 2" will always > evaluate to true because it is an assignment. Don't hold me to that > though! The standard pattern here is to do: > allOf: > - if: > properties: > compatible: > contains: > const: foo > then: > required: > - interrupt-names > > Cheers, > Conor. > Our device can use one or two interrupt, or choose to not use interrupt at all(polling mode). Interrupt names is only required when there are two interrupts(so the driver code can tell which is which). So I will need to check if it contains two interrupts. My check does work if I have two interrupt but don't have interrupt name, the check catches the error. If I have one interrupt without interrupt name, the check pass. Only when I does not have interrupt and interrupt name, it falsely report error. Looks to me that it does not treat minItem = 0 case properly. >> + 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 >> > > --0000000000001cce9805fc86349e Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQcAYJKoZIhvcNAQcCoIIQYTCCEF0CAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3HMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t rVWO/EiXfYnK7zeop26ry1RpKtogB7/O115zultAz64ydQYLe+a1e/czkALg3sgTcOOcFZTXk38e aqsXsipoX1vsNurqPtnC27TWsA7pk4uKXscFjkeUE8JZu9BDKaswZygxBOPBQBwrA5+20Wxlk6k1 e6EKaaNaNZUy30q3ArEf30ZDpXyfCtiXnupjSK8WU2cK4qsEtj09JS4+mhi0CTCrCnXAzum3tgcH cHRg0prcSzzEUDQWoFxyuqwiwhHu3sPQNmFOMwIDAQABo4IB2jCCAdYwDgYDVR0PAQH/BAQDAgGG MGAGA1UdJQRZMFcGCCsGAQUFBwMCBggrBgEFBQcDBAYKKwYBBAGCNxQCAgYKKwYBBAGCNwoDBAYJ KwYBBAGCNxUGBgorBgEEAYI3CgMMBggrBgEFBQcDBwYIKwYBBQUHAxEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUljPR5lgXWzR1ioFWZNW+SN6hj88wHwYDVR0jBBgwFoAUj/BLf6guRSSu TVD6Y5qL3uLdG7wwegYIKwYBBQUHAQEEbjBsMC0GCCsGAQUFBzABhiFodHRwOi8vb2NzcC5nbG9i YWxzaWduLmNvbS9yb290cjMwOwYIKwYBBQUHMAKGL2h0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5j b20vY2FjZXJ0L3Jvb3QtcjMuY3J0MDYGA1UdHwQvMC0wK6ApoCeGJWh0dHA6Ly9jcmwuZ2xvYmFs c2lnbi5jb20vcm9vdC1yMy5jcmwwWgYDVR0gBFMwUTALBgkrBgEEAaAyASgwQgYKKwYBBAGgMgEo CjA0MDIGCCsGAQUFBwIBFiZodHRwczovL3d3dy5nbG9iYWxzaWduLmNvbS9yZXBvc2l0b3J5LzAN BgkqhkiG9w0BAQsFAAOCAQEAdAXk/XCnDeAOd9nNEUvWPxblOQ/5o/q6OIeTYvoEvUUi2qHUOtbf jBGdTptFsXXe4RgjVF9b6DuizgYfy+cILmvi5hfk3Iq8MAZsgtW+A/otQsJvK2wRatLE61RbzkX8 9/OXEZ1zT7t/q2RiJqzpvV8NChxIj+P7WTtepPm9AIj0Keue+gS2qvzAZAY34ZZeRHgA7g5O4TPJ /oTd+4rgiU++wLDlcZYd/slFkaT3xg4qWDepEMjT4T1qFOQIL+ijUArYS4owpPg9NISTKa1qqKWJ jFoyms0d0GwOniIIbBvhI2MJ7BSY9MYtWVT5jJO3tsVHwj4cp92CSFuGwunFMzCCA18wggJHoAMC AQICCwQAAAAAASFYUwiiMA0GCSqGSIb3DQEBCwUAMEwxIDAeBgNVBAsTF0dsb2JhbFNpZ24gUm9v dCBDQSAtIFIzMRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTA5 MDMxODEwMDAwMFoXDTI5MDMxODEwMDAwMFowTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNpZ24wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDMJXaQeQZ4Ihb1wIO2hMoonv0FdhHFrYhy/EYCQ8eyip0E XyTLLkvhYIJG4VKrDIFHcGzdZNHr9SyjD4I9DCuul9e2FIYQebs7E4B3jAjhSdJqYi8fXvqWaN+J J5U4nwbXPsnLJlkNc96wyOkmDoMVxu9bi9IEYMpJpij2aTv2y8gokeWdimFXN6x0FNx04Druci8u nPvQu7/1PQDhBjPogiuuU6Y6FnOM3UEOIDrAtKeh6bJPkC4yYOlXy7kEkmho5TgmYHWyn3f/kRTv riBJ/K1AFUjRAjFhGV64l++td7dkmnq/X8ET75ti+w1s4FRpFqkD2m7pg5NxdsZphYIXAgMBAAGj QjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSP8Et/qC5FJK5N UPpjmove4t0bvDANBgkqhkiG9w0BAQsFAAOCAQEAS0DbwFCq/sgM7/eWVEVJu5YACUGssxOGhigH M8pr5nS5ugAtrqQK0/Xx8Q+Kv3NnSoPHRHt44K9ubG8DKY4zOUXDjuS5V2yq/BKW7FPGLeQkbLmU Y/vcU2hnVj6DuM81IcPJaP7O2sJTqsyQiunwXUaMld16WCgaLx3ezQA3QY/tRG3XUyiXfvNnBB4V 14qWtNPeTCekTBtzc3b0F5nCH3oO4y0IrQocLP88q1UOD5F+NuvDV0m+4S4tfGCLw0FREyOdzvcy a5QBqJnnLDMfOjsl0oZAzjsshnjJYS8Uuu7bVW/fhO4FCU29KNhyztNiUGUe65KXgzHZs7XKR1g/ XzCCBU8wggQ3oAMCAQICDDG6HZcbcVdEvVYk4TANBgkqhkiG9w0BAQsFADBbMQswCQYDVQQGEwJC RTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTExMC8GA1UEAxMoR2xvYmFsU2lnbiBHQ0MgUjMg UGVyc29uYWxTaWduIDIgQ0EgMjAyMDAeFw0yMjA5MTAxMTMxNDVaFw0yNTA5MTAxMTMxNDVaMIGQ MQswCQYDVQQGEwJJTjESMBAGA1UECBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxFjAU BgNVBAoTDUJyb2FkY29tIEluYy4xFjAUBgNVBAMTDVdpbGxpYW0gWmhhbmcxKTAnBgkqhkiG9w0B CQEWGndpbGxpYW0uemhhbmdAYnJvYWRjb20uY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEAyKF+RmY29Wvfmfe3L8J4rZNmBIvRmrWKI5td5L0vlpPMCEzUkVhBdL2N9cDP0rPScvWL CX/9cI1a2BUy/6/ZT5j9PhcUn6A3kwKFGukLY2itfKaDrP3ANVJGhBXPVJ6sx55GF41PkiL2EMnY 7LJGNpl9WHYrw8VqtRediPyXq8M6ZWGPZWxygsE6y1pOkEk9qLpvXTb2Epxk2JWcQFZQCDWVULue YDZuuBJwnyCzevMoPtVYPharioL5H3BRnQi8YoTXH7/uRo33dewYFm474yFjwwnt82TFtveVZkVq 6h4WIQ4wTcwFfET8zMkELnGzS5SHCl8sPD+lNxxJ1JDZYwIDAQABo4IB2zCCAdcwDgYDVR0PAQH/ BAQDAgWgMIGjBggrBgEFBQcBAQSBljCBkzBOBggrBgEFBQcwAoZCaHR0cDovL3NlY3VyZS5nbG9i YWxzaWduLmNvbS9jYWNlcnQvZ3NnY2NyM3BlcnNvbmFsc2lnbjJjYTIwMjAuY3J0MEEGCCsGAQUF BzABhjVodHRwOi8vb2NzcC5nbG9iYWxzaWduLmNvbS9nc2djY3IzcGVyc29uYWxzaWduMmNhMjAy MDBNBgNVHSAERjBEMEIGCisGAQQBoDIBKAowNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xv YmFsc2lnbi5jb20vcmVwb3NpdG9yeS8wCQYDVR0TBAIwADBJBgNVHR8EQjBAMD6gPKA6hjhodHRw Oi8vY3JsLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjNwZXJzb25hbHNpZ24yY2EyMDIwLmNybDAlBgNV HREEHjAcgRp3aWxsaWFtLnpoYW5nQGJyb2FkY29tLmNvbTATBgNVHSUEDDAKBggrBgEFBQcDBDAf BgNVHSMEGDAWgBSWM9HmWBdbNHWKgVZk1b5I3qGPzzAdBgNVHQ4EFgQUq65GzwZxydFHjjYEU/9h xHhPWlwwDQYJKoZIhvcNAQELBQADggEBAA2hGG3JPAdGPH0ZdohGUCIVjKz+U+EFuIDbS6A/5jqX VhYAxZlzj7tSjUIM7G7IhyfqPC46GKJ/4x+Amz1Z6YxNGy71L68kYD6hIbBcA5AM42QBUufly6Oa /ppSz3WoflVyFFQ5YXniZ+eU+2/cdnYZg4aVUnFjimOF5o3NfMLzOkhQNxbaDjFUfUYD8hKmU6v4 0vUBj8KZ9Gi1LIagLKUREn8jku0lcLsRbnJ5Ey5ScajC/FESPyYWasOW8j8/1EoJksmhbYGKNS6C urb/KlmDGfVrIRYDbL0ckhGQIP5c6L+kSQZ2sHnQK0e0WgIaZYxaPYeY5u0GLCOze+3vyRMxggJt MIICaQIBATBrMFsxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYD VQQDEyhHbG9iYWxTaWduIEdDQyBSMyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwAgwxuh2XG3FXRL1W JOEwDQYJYIZIAWUDBAIBBQCggdQwLwYJKoZIhvcNAQkEMSIEILifZSKuVYK22fr0FMoHHWE+L+HY yfJ1iWDrQ+Nl2PW4MBgGCSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTIz MDUyNTE1MjMzM1owaQYJKoZIhvcNAQkPMVwwWjALBglghkgBZQMEASowCwYJYIZIAWUDBAEWMAsG CWCGSAFlAwQBAjAKBggqhkiG9w0DBzALBgkqhkiG9w0BAQowCwYJKoZIhvcNAQEHMAsGCWCGSAFl AwQCATANBgkqhkiG9w0BAQEFAASCAQA+PMcJ0OGEeyq6x/5G8M0qg/Nch8vgHBETXp4xj8vM3PL4 ic3L17M3M3pmle8R2V+z1HdEsRK2FRKnuwSptEDvcGog3CTium5V1E3Dzy2jv9Tpqn0WdiBbtSTr FgPAaE0E69pT5RvIZABZ+kcRq0bTcyZrxu8hDXVfS4cS2bsGeGa45TrmBa7sUoqTQGLOmd12tF/A 9csWNcsgOxulluED0daL+50r5wvgpmtebPcJbZWOPcZruIYXe31oEnfMxdXsK/vIr9H7KVm9j7Nl X474nh9RnMNjo6DJ3WoNY4DZJYlPJm9eA1qtL2+EUvElX4o1xhsw/uk6cwUjvRZ2pS7F --0000000000001cce9805fc86349e--