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Subject[PATCH] dt-bindings: Add a minimum version check for dtschema
Date
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@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
---
Documentation/devicetree/bindings/Makefile | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index 1df680d07461..9f2e64e29d79 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -3,6 +3,16 @@ DT_DOC_CHECKER ?= dt-doc-validate
DT_EXTRACT_EX ?= dt-extract-example
DT_MK_SCHEMA ?= dt-mk-schema

+DT_SCHEMA_MIN_VERSION = 2020.04
+ifeq (1,$(shell \
+ printf "%s\n" \
+ $(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))
+endif
+
quiet_cmd_chk_binding = CHKDT $(patsubst $(srctree)/%,%,$<)
cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
$(DT_EXTRACT_EX) $< > $@
--
2.20.1
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