diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index a1edfd5a129a653ba847b5fb310a88bacfecfc1d..816e91bce2f9aa7d4b52e6c4cfb745f45f86f16b 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -59,9 +59,11 @@ $(obj)/zImage:	$(obj)/compressed/vmlinux FORCE
 
 endif
 
+targets += $(dtb-y)
+
 # Rule to build device tree blobs
-$(obj)/%.dtb: $(src)/dts/%.dts
-	$(call cmd,dtc)
+$(obj)/%.dtb: $(src)/dts/%.dts FORCE
+	$(call if_changed_dep,dtc)
 
 $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
 
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 4c4e58ef0cb628ed3ca0f542536872036f93da02..0c796cf8158629abf23adb530c17ba2a8ceb9be5 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -53,6 +53,6 @@ $(obj)/simpleImage.%: vmlinux FORCE
 DTC_FLAGS := -p 1024
 
 $(obj)/%.dtb: $(src)/dts/%.dts FORCE
-	$(call cmd,dtc)
+	$(call if_changed_dep,dtc)
 
 clean-files += *.dtb simpleImage.*.unstrip linux.bin.ub
diff --git a/arch/openrisc/boot/Makefile b/arch/openrisc/boot/Makefile
index 98ca185097a519bb4bc58938ee848234e81db3b4..09958358601a3637ec4d811826b3f84fea1a6f96 100644
--- a/arch/openrisc/boot/Makefile
+++ b/arch/openrisc/boot/Makefile
@@ -11,5 +11,5 @@ clean-files := *.dtb.S
 
 #DTC_FLAGS ?= -p 1024
 
-$(obj)/%.dtb: $(src)/dts/%.dts
-	$(call cmd,dtc)
+$(obj)/%.dtb: $(src)/dts/%.dts FORCE
+	$(call if_changed_dep,dtc)
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index c26200b40a47f37e242c7a2e27a0775395d35bb8..5e1f0d5b9eae30432f59a4281fd2847102497808 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -334,8 +334,8 @@ $(obj)/treeImage.%: vmlinux $(obj)/%.dtb $(wrapperbits)
 	$(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb)
 
 # Rule to build device tree blobs
-$(obj)/%.dtb: $(src)/dts/%.dts
-	$(call cmd,dtc)
+$(obj)/%.dtb: $(src)/dts/%.dts FORCE
+	$(call if_changed_dep,dtc)
 
 # If there isn't a platform selected then just strip the vmlinux.
 ifeq (,$(image-y))
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 2ce2e2194f26634a5bb476ea0f5a74e10e080721..00c368c6e996fb0555f8161b6d3147c554d037e5 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -264,7 +264,7 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
 	$(call cmd,dt_S_dtb)
 
 quiet_cmd_dtc = DTC     $@
-cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) $<
+cmd_dtc = $(objtree)/scripts/dtc/dtc -O dtb -o $@ -b 0 $(DTC_FLAGS) -d $(depfile) $<
 
 # Bzip2
 # ---------------------------------------------------------------------------