On Fri, Apr 17, 2020 at 3:54 AM Rob Herring <robh@xxxxxxxxxx> 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@xxxxxxxxxx> > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> > --- You cannot check this in the parse stage. Without the latest dt-schema tools, you cannot do even 'make clean'. This is odd. $ make clean Documentation/devicetree/bindings/Makefile:13: *** dtschema minimum version is v2020.04. Stop. make[1]: *** [scripts/Makefile.clean:66: Documentation/devicetree/bindings] Error 2 make: *** [Makefile:1729: _clean_Documentation] Error 2 How about adding a phony target to check the version? PHONY += check_dtschema_version check_dtschema_version: ( Do something to check tool version) quiet_cmd_chk_binding = CHKDT $(patsubst $(srctree)/%,%,$<) cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \ $(DT_EXTRACT_EX) $< > $@ $(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE $(call if_changed,chk_binding) > Documentation/devicetree/bindings/Makefile | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile > index 1df680d07461..9f2e64e29d79 100644 > --- a/Documentation/devicetree/bindings/Makefile > +++ b/Documentation/devicetree/bindings/Makefile > @@ -3,6 +3,16 @@ DT_DOC_CHECKER ?= dt-doc-validate > DT_EXTRACT_EX ?= dt-extract-example > DT_MK_SCHEMA ?= dt-mk-schema > > +DT_SCHEMA_MIN_VERSION = 2020.04 > +ifeq (1,$(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 > -- Best Regards Masahiro Yamada