linux-kernel - Re: [PATCH] docs: dt: writing-schema: add example for multiple DT_SCHEMA

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Message-ID: <20231002165052.GA1915589-robh@kernel.org>
Date:   Mon, 2 Oct 2023 11:50:52 -0500
From:   Rob Herring <robh@...nel.org>
To:     Hugo Villeneuve <hugo@...ovil.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] docs: dt: writing-schema: add example for multiple
 DT_SCHEMA_FILES

On Thu, Sep 28, 2023 at 03:02:59PM -0400, Hugo Villeneuve wrote:
> From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> 
> Variable DT_SCHEMA_FILES can specify multiple files, but the
> documentation does not indicate how to do it. Each entry needs to be
> separated by a column symbol ':'.
> 
> Add an example to make it more obvious how to specify multiple
> DT_SCHEMA_FILES.
> 
> Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
> ---
>  Documentation/devicetree/bindings/writing-schema.rst | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/writing-schema.rst b/Documentation/devicetree/bindings/writing-schema.rst
> index 4a381d20f2b4..a500d3c2e12e 100644
> --- a/Documentation/devicetree/bindings/writing-schema.rst
> +++ b/Documentation/devicetree/bindings/writing-schema.rst
> @@ -159,11 +159,13 @@ It is possible to run both in a single command::
>      make dt_binding_check dtbs_check
>  
>  It is also possible to run checks with a subset of matching schema files by
> -setting the ``DT_SCHEMA_FILES`` variable to a specific schema file or pattern.
> +setting the ``DT_SCHEMA_FILES`` variable to a specific schema file, multiple
> +schema files or pattern.

And multiple patterns. I would say: ... to 1 or more specific schema 
files or patterns (partial match of a fixed string). Each file or 
pattern should be separated by ':'.


>  
>  ::
>  
>      make dt_binding_check DT_SCHEMA_FILES=trivial-devices.yaml
> +    make dt_binding_check DT_SCHEMA_FILES=trivial-devices.yaml:rtc.yaml
>      make dt_binding_check DT_SCHEMA_FILES=/gpio/
>      make dtbs_check DT_SCHEMA_FILES=trivial-devices.yaml
>  
> 
> base-commit: 633b47cb009d09dc8f4ba9cdb3a0ca138809c7c7
> -- 
> 2.30.2
>