[1/2] kbuild: fix DT binding schema rule again to avoid needless rebuilds
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Message ID 20200421033529.487366-1-masahiroy@kernel.org
State New
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Series
  • [1/2] kbuild: fix DT binding schema rule again to avoid needless rebuilds
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Commit Message

Masahiro Yamada April 21, 2020, 3:35 a.m. UTC
Since commit 7a0496056064 ("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: 7a0496056064 ("kbuild: fix DT binding schema rule to detect command line changes")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

 scripts/Makefile.lib | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 97547108ee7f..4b799737722c 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -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)