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Subject[PATCH 5.4 06/83] kbuild: fix DT binding schema rule again to avoid needless rebuilds
Date
From: Masahiro Yamada <masahiroy@kernel.org>

commit 3d4b2238684ac919394eba7fb51bb7eeeec6ab57 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -297,7 +297,7 @@ 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)


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