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kbuild: fix DT binding schema rule again to avoid needless rebuilds 

Since commit 7a04960560 ("kbuild: fix DT binding schema rule to detect
command line changes"), this rule is every time re-run even if you change
nothing.

cmd_dtc takes one additional parameter to pass to the -O option of dtc.

We need to pass 'yaml' to if_changed_rule. Otherwise, cmd-check invoked
from if_changed_rule is false positive.

Fixes: 7a04960560 ("kbuild: fix DT binding schema rule to detect command line changes")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2020-04-21 12:35:28 +09:00
parent e461bc9f9a
commit 3d4b223868
1 changed files with 1 additions and 1 deletions
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2
scripts/Makefile.lib
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@ -309,7 +309,7 @@ define rule_dtc
endef
$(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
$(call if_changed_rule,dtc)
$(call if_changed_rule,dtc,yaml)
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)