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Date:   Wed, 27 Oct 2021 09:30:55 +0200
From:   Luca Ceresoli <luca@...aceresoli.net>
To:     Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: [PATCH] dt-bindings: Add a help message when dtschema tools are
 missing

Hi Rob,

thanks for this patch!

On 26/10/21 19:18, Rob Herring wrote:
> The dtschema version check works, but is not that clear when dtschema is
> neither installed nor in the PATH. Add a separate check and message if

Nit: I think it should say "either not installed or not in the PATH".

> dt-doc-validate is not found.
>
> Cc: Luca Ceresoli <luca@...aceresoli.net>
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  Documentation/devicetree/bindings/Makefile | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
> index 8d6d912c6a6a..001b4f62b741 100644
> --- a/Documentation/devicetree/bindings/Makefile
> +++ b/Documentation/devicetree/bindings/Makefile
> @@ -9,6 +9,10 @@ DT_SCHEMA_MIN_VERSION = 2021.2.1
>  
>  PHONY += check_dtschema_version
>  check_dtschema_version:
> +	@which $(DT_DOC_CHECKER) >/dev/null || \
> +		{ echo "Error: '$(DT_DOC_CHECKER)' not found!" \
> +		"\nEnsure dtschema python package is installed and in your PATH." \
> +		"\nCurrent PATH is:\n$$PATH\n" >&2; false; }

You need 'echo -e' for the '\n'.

Otherwise looks and works well.

-- 
Luca

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