kbuild: use always-y instead of extra-y

As commit d0e628cd ("kbuild: doc: clarify the difference between
extra-y and always-y") explained, extra-y should be used for listing
the prerequisites of vmlinux.

These targets are not related to vmlinux. always-y is a better fix.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/Makefile

@@ -78,10 +78,10 @@ $(obj)/processed-schema.json: $(DT_SCHEMA_FILES) check_dtschema_version FORCE
 
 endif
 
-extra-$(CHECK_DT_BINDING) += processed-schema-examples.json
-extra-$(CHECK_DTBS) += processed-schema.json
-extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
-extra-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
+always-$(CHECK_DT_BINDING) += processed-schema-examples.json
+always-$(CHECK_DTBS)       += processed-schema.json
+always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dts, $(DT_SCHEMA_FILES))
+always-$(CHECK_DT_BINDING) += $(patsubst $(src)/%.yaml,%.example.dt.yaml, $(DT_SCHEMA_FILES))
 
 # Hack: avoid 'Argument list too long' error for 'make clean'. Remove most of
 # build artifacts here before they are processed by scripts/Makefile.clean

drivers/gpu/drm/i915/Makefile

@@ -294,7 +294,7 @@ no-header-test := \
 	gvt/mpt.h \
 	gvt/scheduler.h
 
-extra-$(CONFIG_DRM_I915_WERROR) += \
+always-$(CONFIG_DRM_I915_WERROR) += \
 	$(patsubst %.h,%.hdrtest, $(filter-out $(no-header-test), \
 		$(shell cd $(srctree)/$(src) && find * -name '*.h')))
 

scripts/Makefile.lib

@@ -81,12 +81,12 @@ always-y += $(userprogs-always-y) $(userprogs-always-m)
 
 # DTB
 # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built
-extra-y				+= $(dtb-y)
-extra-$(CONFIG_OF_ALL_DTBS)	+= $(dtb-)
+always-y			+= $(dtb-y)
+always-$(CONFIG_OF_ALL_DTBS)	+= $(dtb-)
 
 ifneq ($(CHECK_DTBS),)
-extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y))
-extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-))
+always-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y))
+always-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-))
 endif
 
 # Add subdir path
@@ -247,7 +247,7 @@ $(obj)/%: $(src)/%_shipped
 #	target: source(s) FORCE
 #		$(if_changed,ld/objcopy/gzip)
 #
-#	and add target to extra-y so that we know we have to
+#	and add target to 'targets' so that we know we have to
 #	read in the saved command line
 
 # Linking

scripts/gdb/linux/Makefile

@@ -7,7 +7,7 @@ symlinks := $(patsubst $(srctree)/$(src)/%,%,$(wildcard $(srctree)/$(src)/*.py))
 quiet_cmd_symlink = SYMLINK $@
       cmd_symlink = ln -fsn $(patsubst $(obj)/%,$(abspath $(srctree))/$(src)/%,$@) $@
 
-extra-y += $(symlinks)
+always-y += $(symlinks)
 $(addprefix $(obj)/, $(symlinks)): FORCE
 	$(call if_changed,symlink)
 
@@ -18,7 +18,7 @@ quiet_cmd_gen_constants_py = GEN     $@
 	$(CPP) -E -x c -P $(c_flags) $< > $@ ;\
 	sed -i '1,/<!-- end-c-headers -->/d;' $@
 
-extra-y += constants.py
+always-y += constants.py
 $(obj)/constants.py: $(src)/constants.py.in FORCE
 	$(call if_changed_dep,gen_constants_py)