[PATCH 2/2] dt-bindings: wire example style check into dt_binding_check

[Daniel Golle]

Run dt-check-example-style as part of dt_binding_check_one to catch
formatting issues in DTS examples during schema validation.

Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/Makefile | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index 7b668f7fd4007..364d167e8dd27 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -46,6 +46,14 @@ quiet_cmd_chk_bindings = CHKDT   $(src)
 			  xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(src)) \
 			  && touch $@ || true
 
+DT_CHK_EX_STYLE = $(srctree)/scripts/dtc/dt-check-example-style
+
+quiet_cmd_chk_ex_style = STYLE   $(src)
+      cmd_chk_ex_style = ($(find_cmd) | \
+			  xargs -n200 -P$$(nproc) \
+			  $(PYTHON3) $(DT_CHK_EX_STYLE) --diff) \
+			  && touch $@ || true
+
 quiet_cmd_mk_schema = SCHEMA  $@
       cmd_mk_schema = f=$$(mktemp) ; \
                       $(find_all_cmd) > $$f ; \
@@ -62,13 +70,16 @@ override DTC_FLAGS := \
 $(obj)/processed-schema.json: $(DT_DOCS) check_dtschema_version FORCE
 	$(call if_changed,mk_schema)
 
-targets += .dt-binding.checked .yamllint.checked
+targets += .dt-binding.checked .yamllint.checked .dt-example-style.checked
 $(obj)/.yamllint.checked: $(DT_DOCS) $(src)/.yamllint FORCE
 	$(if $(DT_SCHEMA_LINT),$(call if_changed,yamllint),)
 
 $(obj)/.dt-binding.checked: $(DT_DOCS) FORCE
 	$(call if_changed,chk_bindings)
 
+$(obj)/.dt-example-style.checked: $(DT_DOCS) FORCE
+	$(call if_changed,chk_ex_style)
+
 always-y += processed-schema.json
 targets += $(patsubst $(obj)/%,%, $(CHK_DT_EXAMPLES))
 targets += $(patsubst $(obj)/%.dtb,%.dts, $(CHK_DT_EXAMPLES))
@@ -82,7 +93,7 @@ dt_compatible_check: $(obj)/processed-schema.json
 	$(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $<
 
 PHONY += dt_binding_check_one
-dt_binding_check_one: $(obj)/.dt-binding.checked $(obj)/.yamllint.checked
+dt_binding_check_one: $(obj)/.dt-binding.checked $(obj)/.yamllint.checked $(obj)/.dt-example-style.checked
 
 PHONY += dt_binding_check
 dt_binding_check: dt_binding_check_one $(CHK_DT_EXAMPLES)
-- 
2.53.0