linux-kernel - Re: [PATCH v3] dt-bindings: Add a minimum version check for dtschema

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Date:   Tue, 21 Apr 2020 09:49:22 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     DTML <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] dt-bindings: Add a minimum version check for dtschema

On Tue, Apr 21, 2020 at 7:49 AM Rob Herring <robh@...nel.org> wrote:
>
> The dtschema package must be somewhat up to date as the tools and
> meta-schema checks are still evolving. Implement a version check,
> so this can be enforced. This will help ensure new schema submissions
> get checked against the latest meta-schemas.
>
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Signed-off-by: Rob Herring <robh@...nel.org>

Please replace Cc with:

Reviewed-by: Masahiro Yamada <masahiroy@...nel.org>


> ---
> v3:
>  - Drop leading '0' in version month
>  - Rework with Masahiro's shell commands
>
> v2:
>  - Use a build rule for the version check instead
> ---
>  Documentation/devicetree/bindings/Makefile | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
> index 1df680d07461..67b0969281da 100644
> --- a/Documentation/devicetree/bindings/Makefile
> +++ b/Documentation/devicetree/bindings/Makefile
> @@ -3,11 +3,19 @@ DT_DOC_CHECKER ?= dt-doc-validate
>  DT_EXTRACT_EX ?= dt-extract-example
>  DT_MK_SCHEMA ?= dt-mk-schema
>
> +DT_SCHEMA_MIN_VERSION = 2020.4
> +
> +PHONY += check_dtschema_version
> +check_dtschema_version:
> +       @{ echo $(DT_SCHEMA_MIN_VERSION); \
> +       $(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -VC || \
> +       { echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
> +
>  quiet_cmd_chk_binding = CHKDT   $(patsubst $(srctree)/%,%,$<)
>        cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
>                          $(DT_EXTRACT_EX) $< > $@
>
> -$(obj)/%.example.dts: $(src)/%.yaml FORCE
> +$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
>         $(call if_changed,chk_binding)
>
>  # Use full schemas when checking %.example.dts
> @@ -34,11 +42,11 @@ override DTC_FLAGS := \
>         -Wno-avoid_unnecessary_addr_size \
>         -Wno-graph_child_address
>
> -$(obj)/processed-schema-examples.yaml: $(DT_DOCS) FORCE
> +$(obj)/processed-schema-examples.yaml: $(DT_DOCS) check_dtschema_version FORCE
>         $(call if_changed,mk_schema)
>
>  $(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
> -$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) FORCE
> +$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
>         $(call if_changed,mk_schema)
>
>  extra-y += processed-schema.yaml
> --
> 2.20.1
>


-- 
Best Regards
Masahiro Yamada