From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C148370D65; Mon, 8 Jun 2026 11:55:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780919714; cv=none; b=ckrNotTQr8IHYJm0OW36aVe9ku8kIdtLy4M9uitYVSo0Ezr9xtyHN1cHLQtDYfD2JHhJVIe29XXoDufgtU3eNRBsoTf9t0gA8uDri9RfTPHwxEaaJRC8PNmSfkrH0lJiSnAqRiiIOu4pIwVjUcQhtSt/BiZkWarJ5OrtVMYrlyQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780919714; c=relaxed/simple; bh=n/pQcNquc3IBtGz5ksifanqtdilJJJGYDH94sO7mx8U=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=mOt49asHYblCZCY3f8O05YcnpGb3Iy3C7hPgirrCEkbV0fYGhB5t9aTxRuhJ9W4p5hN5yDWYOWrdv1yLFrE1MHKgEOeV9rSenrCQcWqTVjBtvVmxpCdYybhtkNwJ+fbJMtp9PuoWHJTIY9sblIbFZ32KdOfgAcL6mPLB9T41SSU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YpNZld1d; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YpNZld1d" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47C301F00893; Mon, 8 Jun 2026 11:55:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780919711; bh=b/+jcWfRlqxoRwbs8TNKltS6NdjnRdq14z0GLneRQtE=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=YpNZld1ddNMZFLDZ1ySu3eZpfM00Ig7kzPrhr1B12Yr6AR4HEvEs5dnLisnh5JIQJ vTwiIusrUsTnzrUiR7HB9H9jUpcSxjxKW2It7PyOfwFHHo2+cnSEfCAeLd4W1kXD+x TURotKaCHjpJwY2ba2G3iC+hqZdR8F9hhrvc25GIDgjbqrYsBDt+vG/654CLhGWHd/ MSdazDa8ARJWqFF+k2vxD7O0O5yln35d0fTtnM2FcIBpnvEgriowP1H0e1iGfjumtu ITUZ8knSsgR79dhdOOm91jmweax0z5tpJN3qZjA4AcnwrxXbsv775WAbH7Obg34nzV yB7PFnEY8yGBg== Message-ID: <71bf9e6a-40c2-4ad3-9156-caa74a3dbaf7@kernel.org> Date: Mon, 8 Jun 2026 13:55:04 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dt-bindings: mfd: syscon: Make ranges required for renesas,r9a08g046-lvds-cmn To: Biju Das , "biju.das.au" Cc: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , "magnus.damm" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , Prabhakar Mahadev Lad References: <20260602131331.90756-1-biju.das.jz@bp.renesas.com> <20260608-alluring-remarkable-echidna-d107ea@quoll> <6960d660-2851-44e3-af89-b334ab6cecc0@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 08/06/2026 13:51, Biju Das wrote: > Hi Krzysztof Kozlowski, > >> -----Original Message----- >> From: Krzysztof Kozlowski >> Sent: 08 June 2026 12:47 >> Subject: Re: [PATCH] dt-bindings: mfd: syscon: Make ranges required for renesas,r9a08g046-lvds-cmn >> >> On 08/06/2026 13:22, Biju Das wrote: >>> Hi Krzysztof Kozlowski, >>> >>>> -----Original Message----- >>>> From: Krzysztof Kozlowski >>>> Sent: 08 June 2026 12:11 >>>> Subject: Re: [PATCH] dt-bindings: mfd: syscon: Make ranges required >>>> for renesas,r9a08g046-lvds-cmn >>>> >>>> On 08/06/2026 12:26, Biju Das wrote: >>>>> Hi Krzysztof Kozlowski, >>>>> >>>>> Thanks for the feedback. >>>>> >>>>>> -----Original Message----- >>>>>> From: Krzysztof Kozlowski >>>>>> Sent: 08 June 2026 11:22 >>>>>> Subject: Re: [PATCH] dt-bindings: mfd: syscon: Make ranges required >>>>>> for renesas,r9a08g046-lvds-cmn >>>>>> >>>>>> On 08/06/2026 12:20, Krzysztof Kozlowski wrote: >>>>>>> On Tue, Jun 02, 2026 at 02:13:29PM +0100, Biju wrote: >>>>>>>> From: Biju Das >>>>>>>> >>>>>>>> Add a conditional schema rule to the syscon bindings that >>>>>>>> requires the ranges property when the compatible string contains >>>>>>>> renesas,r9a08g046-lvds-cmn. This ensures the LVDS common control >>>>>>>> block on the RZ/G3L SoC correctly declares its address >>>>>>>> translation, as the device has child nodes that need a valid >>>>>>>> ranges mapping to be described in the device tree. >>>>>>>> >>>>>>>> Signed-off-by: Biju Das >>>>>>>> --- >>>>>>>> Documentation/devicetree/bindings/mfd/syscon.yaml | 14 >>>>>>>> ++++++++++++++ >>>>>>>> 1 file changed, 14 insertions(+) >>>>>>>> >>>>>>>> diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml >>>>>>>> b/Documentation/devicetree/bindings/mfd/syscon.yaml >>>>>>>> index 9c81010d5a74..cbf83a06ae25 100644 >>>>>>>> --- a/Documentation/devicetree/bindings/mfd/syscon.yaml >>>>>>>> +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml >>>>>>>> @@ -269,6 +269,8 @@ properties: >>>>>>>> resets: >>>>>>>> maxItems: 1 >>>>>>>> >>>>>>>> + ranges: true >>>>>>> >>>>>>> There are no children allowed, so ranges property is wrong. >>>>>>> >>>>>>> You are changing binding which DOES NOT allow simple-mfd or any >>>>>>> other children. Ranges is not a problem here. >>>>>> >>>>>> >>>>>> And if you tested it on your DTS, you would see this does not work... >>>>> >>>>> I don't see any warnings or error. I have done this change based on >>>>> Rob's comment based on sashiko review [1]. >>>>> >>>>> If you agree, I can drop this patch. >>>>> >>>>> [1] >>>>> https://lore.kernel.org/all/20260601022619.GA3961324-robh@kernel.org >>>>> / >>>> >>>> Look: >>>> https://lore.kernel.org/all/20260524194457.479681-2-biju.das.jz@bp.re >>>> nesas.com/ >>>> What compatibles are here? >>>> >>>> Now open the binding - what compatibles are allowed for renesas,r9a08g046-lvds-cmn ? >>> >>> OK, I am missing the fallbacks "simple-mfd", "syscon"; in the >>> compatibles allowed for renesas,r9a08g046-lvds-cmn. >>> >>> OK, I will add those. >> >> No, maybe, dunno... How anything here could have been tested? dtbs_check clearly points errors on your >> DTS. > > I ran the below commands and none of then triggered the error/warning you are suspecting. > Am I missing anything here? > > make ARCH=arm64 DT_CHECKER_FLAGS=-m DT_SCHEMA_FILES=${1} CROSS_COMPILE=~/${TOOL_CHAIN}/bin/aarch64-none-linux-gnu- dt_binding_check -j32 > make ARCH=arm64 -s dtbs_check -j32 > make ARCH=arm64 DT_SCHEMA_FILES=${1} CROSS_COMPILE=~/${TOOL_CHAIN}/bin/aarch64-none-linux-gnu- -s dtbs_check -j32 > make ARCH=arm64 CROSS_COMPILE=~/${TOOL_CHAIN}/bin/aarch64-none-linux-gnu- W=1 dtbs -j32 2>&1 | tee -a arm64-dtbs.log No, you must validate all schemas, not one file. And without DTS obviously this will not point any error on dtbs_check. I am reverting your commit. Best regards, Krzysztof