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kbuild: update DTC warning settings for bus and node/property name checks

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Recent commits of DTC introduced new warnings checking PCI and simple
buses, unit address formatting, and stricter node and property name
checking.  Disable the new DTC warnings by default.  As before,
warnings are enabled with W=*.  The strict node and property name
checks are a bit subjective, so they are only enabled for W=2.
(This policy reflects the commit 8654cb8d0371 of Linux.)

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2017-05-15 16:07:33 +09:00 committed by Tom Rini
parent eec342ab18
commit 50749d2ac3
1 changed files with 14 additions and 0 deletions
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14
scripts/Makefile.extrawarn
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@ -58,9 +58,23 @@ endif
KBUILD_CFLAGS += $(warning)
dtc-warning-2 += $(call dtc-option,-Wnode_name_chars_strict)
dtc-warning-2 += $(call dtc-option,-Wproperty_name_chars_strict)
dtc-warning := $(dtc-warning-$(findstring 1, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
dtc-warning += $(dtc-warning-$(findstring 2, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
dtc-warning += $(dtc-warning-$(findstring 3, $(KBUILD_ENABLE_EXTRA_GCC_CHECKS)))
DTC_FLAGS += $(dtc-warning)
else
# Disable noisy checks by default
DTC_FLAGS += $(call dtc-option,-Wno-unit_address_vs_reg)
DTC_FLAGS += $(call dtc-option,-Wno-simple_bus_reg)
DTC_FLAGS += $(call dtc-option,-Wno-unit_address_format)
DTC_FLAGS += $(call dtc-option,-Wno-pci_bridge)
DTC_FLAGS += $(call dtc-option,-Wno-pci_device_bus_num)
DTC_FLAGS += $(call dtc-option,-Wno-pci_device_reg)
endif