# $(call cc-option, -W...) handles gcc -W.. options which
# are not supported by all versions of the compiler
# ==========================================================================
+#
+# SPDX-License-Identifier: GPL-2.0
+#
ifeq ("$(origin W)", "command line")
export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
endif
KBUILD_CFLAGS += $(warning)
+
+dtc-warning-2 += -Wnode_name_chars_strict
+dtc-warning-2 += -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 += -Wno-unit_address_vs_reg
+DTC_FLAGS += -Wno-simple_bus_reg
+DTC_FLAGS += -Wno-unit_address_format
+DTC_FLAGS += -Wno-pci_bridge
+DTC_FLAGS += -Wno-pci_device_bus_num
+DTC_FLAGS += -Wno-pci_device_reg
+
endif