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Extracting empty examples results in just the empty template being generated and then validated. That's pointless and not free, so filter out the schemas without any examples from the targets. There's currently a little less than 10% of the binding schema files without examples. Removing them improves the build time by ~6%. Link: https://patch.msgid.link/20251201175030.3785060-1-robh@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
87 lines
3.1 KiB
Makefile
87 lines
3.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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DT_DOC_CHECKER ?= dt-doc-validate
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DT_EXTRACT_EX ?= dt-extract-example
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DT_MK_SCHEMA ?= dt-mk-schema
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DT_SCHEMA_LINT = $(shell which yamllint || \
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echo "warning: python package 'yamllint' not installed, skipping" >&2)
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DT_SCHEMA_MIN_VERSION = 2023.9
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PHONY += check_dtschema_version
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check_dtschema_version:
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@which $(DT_DOC_CHECKER) >/dev/null || \
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{ echo "Error: '$(DT_DOC_CHECKER)' not found!" >&2; \
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echo "Ensure dtschema python package is installed and in your PATH." >&2; \
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echo "Current PATH is:" >&2; \
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echo "$$PATH" >&2; false; }
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@{ echo $(DT_SCHEMA_MIN_VERSION); \
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$(DT_DOC_CHECKER) --version 2>/dev/null || echo 0; } | sort -Vc >/dev/null || \
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{ echo "ERROR: dtschema minimum version is v$(DT_SCHEMA_MIN_VERSION)" >&2; false; }
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quiet_cmd_extract_ex = DTEX $@
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cmd_extract_ex = $(DT_EXTRACT_EX) $< > $@
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$(obj)/%.example.dts: $(src)/%.yaml check_dtschema_version FORCE
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$(call if_changed,extract_ex)
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find_all_cmd = find $(src) \( -name '*.yaml' ! \
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-name 'processed-schema*' \)
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find_cmd = $(find_all_cmd) | \
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sed 's|^$(srctree)/||' | \
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grep -F -e "$(subst :," -e ",$(DT_SCHEMA_FILES))" | \
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sed 's|^|$(srctree)/|'
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CHK_DT_EXAMPLES := $(patsubst $(srctree)/%.yaml,%.example.dtb, \
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$(shell $(find_cmd) | xargs grep -l '^examples:'))
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quiet_cmd_yamllint = LINT $(src)
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cmd_yamllint = ($(find_cmd) | \
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xargs -n200 -P$$(nproc) \
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$(DT_SCHEMA_LINT) -f parsable -c $(src)/.yamllint >&2) \
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&& touch $@ || true
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quiet_cmd_chk_bindings = CHKDT $(src)
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cmd_chk_bindings = ($(find_cmd) | \
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xargs -n200 -P$$(nproc) $(DT_DOC_CHECKER) -u $(src)) \
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&& touch $@ || true
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quiet_cmd_mk_schema = SCHEMA $@
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cmd_mk_schema = f=$$(mktemp) ; \
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$(find_all_cmd) > $$f ; \
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$(DT_MK_SCHEMA) -j $(DT_MK_SCHEMA_FLAGS) @$$f > $@ ; \
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rm -f $$f
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DT_DOCS = $(patsubst $(srctree)/%,%,$(shell $(find_all_cmd)))
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override DTC_FLAGS := \
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-Wno-avoid_unnecessary_addr_size \
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-Wno-graph_child_address \
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-Wno-unique_unit_address \
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-Wunique_unit_address_if_enabled
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$(obj)/processed-schema.json: $(DT_DOCS) check_dtschema_version FORCE
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$(call if_changed,mk_schema)
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targets += .dt-binding.checked .yamllint.checked
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$(obj)/.yamllint.checked: $(DT_DOCS) $(src)/.yamllint FORCE
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$(if $(DT_SCHEMA_LINT),$(call if_changed,yamllint),)
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$(obj)/.dt-binding.checked: $(DT_DOCS) FORCE
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$(call if_changed,chk_bindings)
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always-y += processed-schema.json
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targets += $(patsubst $(obj)/%,%, $(CHK_DT_EXAMPLES))
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targets += $(patsubst $(obj)/%.dtb,%.dts, $(CHK_DT_EXAMPLES))
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# Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
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# build artifacts here before they are processed by scripts/Makefile.clean
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clean-files = $(shell find $(obj) \( -name '*.example.dts' -o \
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-name '*.example.dtb' \) -delete 2>/dev/null)
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dt_compatible_check: $(obj)/processed-schema.json
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$(Q)$(srctree)/scripts/dtc/dt-extract-compatibles $(srctree) | xargs dt-check-compatible -v -s $<
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PHONY += dt_binding_check
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dt_binding_check: $(obj)/.dt-binding.checked $(obj)/.yamllint.checked $(CHK_DT_EXAMPLES)
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