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 <1649088538.050456.1436949.nullmailer@robh.at.kernel.org>
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From:   Chuanhong Guo <gch981213@gmail.com>
Date:   Tue, 5 Apr 2022 10:55:51 +0800
Message-ID: <CAJsYDVLaXAoL=TcPun6rckcA_cdUS-zFy_7M6uCpfzX+jbQEag@mail.gmail.com>
Subject: Re: [PATCH v3 4/5] dt-bindings: spi: add binding doc for spi-mtk-snfi
To:     Rob Herring <robh@kernel.org>
Cc:     Rob Herring <robh+dt@kernel.org>, linux-spi@vger.kernel.org,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Richard Weinberger <richard@nod.at>,
        Pratyush Yadav <p.yadav@ti.com>,
        linux-arm-kernel@lists.infradead.org,
        Cai Huoqing <cai.huoqing@linux.dev>,
        Roger Quadros <rogerq@kernel.org>,
        Yu Kuai <yukuai3@huawei.com>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        linux-mediatek@lists.infradead.org,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        devicetree@vger.kernel.org, Mark Brown <broonie@kernel.org>,
        linux-kernel@vger.kernel.org, Paul Cercueil <paul@crapouillou.net>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Colin Ian King <colin.king@intel.com>,
        Krzysztof Kozlowski <krzk+dt@kernel.org>,
        linux-mtd@lists.infradead.org
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Hi Rob!

On Tue, Apr 5, 2022 at 12:09 AM Rob Herring <robh@kernel.org> wrote:
> [...]
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
>
> yamllint warnings/errors:
>
> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.example.dt.yaml: spi@1100d000: 'ecc-engine' is a required property
>         From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.example.dt.yaml:0:0: /example-0/soc/spi@1100d000/flash@0: failed to match any schema with compatible: ['spi-nand']

I ran the tests myself and it's only complaining about the ecc-engine name:

/home/user/src/kernels/linux/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.example.dtb:
spi@1100d000: 'ecc-engine' is a required property
From schema: /home/user/src/kernels/linux/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml

It says nothing about the spi-nand part.
I'd like to keep the flash@0 node in the example to demonstrate the
nand-ecc-engine usage. What should I do?
-- 
Regards,
Chuanhong Guo