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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-02-27 15:24:45 +0900
committerTom Rini <trini@konsulko.com>2017-03-09 11:31:39 -0500
commit4b83f0d98a17aef896a9d772275bd09a4dfab07c (patch)
treed365fdf320c50f30d8b8222e93dadcdadca5df02 /scripts/Makefile.extrawarn
parent0574f786d3c85ab1a9fe9ee8ade65e3ae83e18a4 (diff)
kbuild: turn of dtc unit address warnings by default
DTC 1.4.2 or later checks DT unit-address without reg property and vice-versa, and generates lots of warnings. Fixing DT files will take for a while. Until then, let's turn off the check unless building with W=*. Introduce a new helper dtc-option to check if the option is supported in order to suppress warnings on older versions. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> Tested-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'scripts/Makefile.extrawarn')
-rw-r--r--scripts/Makefile.extrawarn6
1 files changed, 6 insertions, 0 deletions
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 6547e57357..7b2cffce52 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -57,4 +57,10 @@ ifeq ("$(strip $(warning))","")
endif
KBUILD_CFLAGS += $(warning)
+
+else
+
+# Disable noisy checks by default
+DTC_FLAGS += $(call dtc-option,-Wno-unit_address_vs_reg)
+
endif