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

[Rob Herring]

On Tue, Apr 05, 2022 at 09:20:24AM +0200, Miquel Raynal wrote:
> Hello,
> 
> gch981213 at 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 at 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 at 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 at 1100d000/flash at 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 at 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.

Did you use 'DT_CHECKER_FLAGS=-m' as it says above?

> > I'd like to keep the flash at 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?

Including spi-nand.yaml is wrong. If that just landed, then this may 
have run before the base moved to v5.18-rc1.

Rob