Re: [PATCH v3 4/5] dt-bindings: spi: add binding doc for spi-mtk-snfi

[Miquel Raynal <miquel.raynal@bootlin.com>]

Hello,

gch981213@gmail.com wrote on Tue, 5 Apr 2022 10:55:51 +0800:

> 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?

You can try including spi-nand.yaml (like you do with
spi-controller.yaml). You should no longer need to define
nand-ecc-engine then as it is already described there?

Thanks,
Miquèl