kbuild: Re-sync DTC flag logic with v4.17

The way that we have been handling additional DTC warning flags hasn't
matched the way the Linux Kernel does.  Resync this logic with v4.17.

Signed-off-by: Tom Rini <trini@konsulko.com>

diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 1105c76be12fea84d9bb7909319f70fd8edad98c..80231fbddfda1eeaa80aa3ff9ecccae8dda443a8 100644 (file)
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -56,25 +56,4 @@ 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
-DTC_FLAGS += -Wno-avoid_unnecessary_addr_size
-DTC_FLAGS += -Wno-alias_paths
-
 endif

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 30f392fdfb08ce52d3bf8818da13b6b98aaf8523..bfb5851e9bfa24462a3e9759f4e7a863483c9e90 100644 (file)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -274,6 +274,22 @@ cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
 # DTC
 # ---------------------------------------------------------------------------
 
+# Disable noisy checks by default
+ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
+DTC_FLAGS += -Wno-unit_address_vs_reg \
+       -Wno-unit_address_format \
+       -Wno-avoid_unnecessary_addr_size \
+       -Wno-alias_paths \
+       -Wno-pci_device_reg
+endif
+
+ifneq ($(findstring 2,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
+DTC_FLAGS += -Wnode_name_chars_strict \
+       -Wproperty_name_chars_strict
+endif
+
+DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
+
 # Generate an assembly file to wrap the output of the device tree compiler
 quiet_cmd_dt_S_dtb= DTB     $@
 # Modified for U-Boot