linux-kernel - [PATCH] scripts: dtc: Start building fdtoverlay and fdtdump

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Message-Id: <5a416b44155409e45b99c5624d66992a2138cd4c.1609927722.git.viresh.kumar@linaro.org>
Date:   Wed,  6 Jan 2021 15:39:31 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Frank Rowand <frowand.list@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Bill Mills <bill.mills@...aro.org>, anmar.oueja@...aro.org
Subject: [PATCH] scripts: dtc: Start building fdtoverlay and fdtdump

We will start building overlays for platforms soon in the kernel and
would need these tools going forward. Lets fetch and build these.

Note that a copy of fdtdump.c was already copied back in the year 2012,
but it was never updated or built for some reason.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 scripts/dtc/Makefile             | 8 +++++++-
 scripts/dtc/update-dtc-source.sh | 6 +++---
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index 4852bf44e913..c607980a5c17 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -1,12 +1,18 @@
 # SPDX-License-Identifier: GPL-2.0
 # scripts/dtc makefile
 
-hostprogs-always-$(CONFIG_DTC)		+= dtc
+hostprogs-always-$(CONFIG_DTC)		+= dtc fdtdump fdtoverlay
 hostprogs-always-$(CHECK_DT_BINDING)	+= dtc
 
 dtc-objs	:= dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
 		   srcpos.o checks.o util.o
 dtc-objs	+= dtc-lexer.lex.o dtc-parser.tab.o
+fdtdump-objs	:= fdtdump.o util.o
+
+libfdt_dir	= libfdt
+libfdt-objs	:= fdt.o fdt_ro.o fdt_wip.o fdt_sw.o fdt_rw.o fdt_strerror.o fdt_empty_tree.o fdt_addresses.o fdt_overlay.o
+libfdt		= $(addprefix $(libfdt_dir)/,$(libfdt-objs))
+fdtoverlay-objs	:= $(libfdt) fdtoverlay.o util.o
 
 # Source files need to get at the userspace version of libfdt_env.h to compile
 HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt
diff --git a/scripts/dtc/update-dtc-source.sh b/scripts/dtc/update-dtc-source.sh
index bc704e2a6a4a..9bc4afb71415 100755
--- a/scripts/dtc/update-dtc-source.sh
+++ b/scripts/dtc/update-dtc-source.sh
@@ -31,9 +31,9 @@ set -ev
 DTC_UPSTREAM_PATH=`pwd`/../dtc
 DTC_LINUX_PATH=`pwd`/scripts/dtc
 
-DTC_SOURCE="checks.c data.c dtc.c dtc.h flattree.c fstree.c livetree.c srcpos.c \
-		srcpos.h treesource.c util.c util.h version_gen.h yamltree.c \
-		dtc-lexer.l dtc-parser.y"
+DTC_SOURCE="checks.c data.c dtc.c dtc.h fdtdump.c fdtoverlay.c flattree.c \
+		fstree.c livetree.c srcpos.c srcpos.h treesource.c util.c \
+		util.h version_gen.h yamltree.c dtc-lexer.l dtc-parser.y"
 LIBFDT_SOURCE="fdt.c fdt.h fdt_addresses.c fdt_empty_tree.c \
 		fdt_overlay.c fdt_ro.c fdt_rw.c fdt_strerror.c fdt_sw.c \
 		fdt_wip.c libfdt.h libfdt_env.h libfdt_internal.h"
-- 
2.25.0.rc1.19.g042ed3e048af