arc: use common make variables for dtb builds
Use dtb-y and always make variables to build dtbs instead of explicit
dtbs rule. This is in preparation to support building all dtbs.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/Makefile b/arch/arc/Makefile
index 8a27a48..cf0cf34 100644
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -121,7 +121,7 @@
$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
dtbs: scripts
- $(Q)$(MAKE) $(build)=$(boot)/dts dtbs
+ $(Q)$(MAKE) $(build)=$(boot)/dts
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
diff --git a/arch/arc/boot/dts/Makefile b/arch/arc/boot/dts/Makefile
index b0e3f19..e8e46f9 100644
--- a/arch/arc/boot/dts/Makefile
+++ b/arch/arc/boot/dts/Makefile
@@ -6,10 +6,10 @@
endif
obj-y += $(builtindtb-y).dtb.o
-targets += $(builtindtb-y).dtb
+dtb-y := $(builtindtb-y).dtb
.SECONDARY: $(obj)/$(builtindtb-y).dtb.S
-dtbs: $(addprefix $(obj)/, $(builtindtb-y).dtb)
+always := $(dtb-y)
clean-files := *.dtb *.dtb.S