From cef6e67987c817b1570b6d95276dcab7f9bfbd1c Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Tue, 27 Feb 2018 17:49:57 -0600
Subject: [PATCH] kbuild: add dtc as dependency on .dtb files

If dtc is rebuilt, we should rebuild .dtb files with the new dtc.

Change-Id: I313ee55506628c0922161541adf293735cb4edae
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Rob Herring <robh@kernel.org>
---
 scripts/Makefile.lib | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index dae33ffbc52e..1eba75c59e35 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -325,7 +325,7 @@ cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
 		-d $(depfile).dtc.tmp $(dtc-tmp) ; \
 	cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
 
-$(obj)/%.dtb: $(src)/%.dts FORCE
+$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE
 	$(call if_changed_dep,dtc)
 
 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)