From b83abc8c2c45f8a926bdeaa46fc8dce236e13fdd Mon Sep 17 00:00:00 2001
From: Rob Herring <robh@kernel.org>
Date: Tue, 6 Oct 2015 17:51:00 -0500
Subject: arc: enable building of all dtbs

Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/boot/dts/Makefile b/arch/arc/boot/dts/Makefile
index e8e46f9..a09f11b 100644
--- a/arch/arc/boot/dts/Makefile
+++ b/arch/arc/boot/dts/Makefile
@@ -10,6 +10,8 @@ dtb-y := $(builtindtb-y).dtb
 
 .SECONDARY: $(obj)/$(builtindtb-y).dtb.S
 
+dtstree		:= $(srctree)/$(src)
+dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
 
 always := $(dtb-y)
 clean-files := *.dtb  *.dtb.S
-- 
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