linux-kernel - Re: [PATCH v2 1/3] dt-bindings: spi: Add Nuvoton WPCM450 Flash Interface Unit (FIU)

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Message-Id: <166950112932.8087.6546134123286782729.robh@kernel.org>
Date:   Sat, 26 Nov 2022 16:25:36 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jonathan Neuschäfer <j.neuschaefer@....net>
Cc:     linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
        linux-spi@...r.kernel.org, Mark Brown <broonie@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: spi: Add Nuvoton WPCM450 Flash
 Interface Unit (FIU)


On Thu, 24 Nov 2022 20:13:58 +0100, Jonathan Neuschäfer wrote:
> The Flash Interface Unit (FIU) is the SPI flash controller in the
> Nuvoton WPCM450 BMC SoC. It supports four chip selects, and direct
> (memory-mapped) access to 16 MiB per chip. Larger flash chips can be
> accessed by software-defined SPI transfers.
> 
> The FIU in newer NPCM7xx SoCs is not compatible with the WPCM450 FIU.
> 
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
> ---
> 
> v2:
> - A few cleanups suggested by Krzysztof Kozlowski
> - Simplify binding by making second reg item mandatory
> 
> v1:
> - https://lore.kernel.org/lkml/20221105185911.1547847-4-j.neuschaefer@gmx.net/
> ---
>  .../bindings/spi/nuvoton,wpcm450-fiu.yaml     | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.yaml
> 

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:
Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.example.dts:18:18: fatal error: dt-bindings/clock/nuvoton,wpcm450-clk.h: No such file or directory
   18 |         #include <dt-bindings/clock/nuvoton,wpcm450-clk.h>
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [scripts/Makefile.lib:406: Documentation/devicetree/bindings/spi/nuvoton,wpcm450-fiu.example.dtb] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1492: dt_binding_check] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20221124191400.287918-2-j.neuschaefer@gmx.net

This check can fail if there are any dependencies. The base for a patch
series is generally the most recent rc1.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit after running the above command.