From 26e961c8cfdff00c5c9389d301d9a2eb10eb844c Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Mon, 27 Nov 2017 16:06:07 +0900
Subject: [PATCH] libfdt: migrate fdt_wip.c to a wrapper of
 scripts/dtc/libfdt/fdt_wip.c

Now, lib/libfdt/fdt_wip.c is the same as scripts/dtc/libfdt/fdt_wip.c

Change the former to a wrapper of the latter.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
 lib/libfdt/Makefile    |   4 +-
 lib/libfdt/fdt_wip.c   | 100 +----------------------------------------
 tools/Makefile         |   4 +-
 tools/libfdt/fdt_wip.c |   2 +
 4 files changed, 8 insertions(+), 102 deletions(-)
 create mode 100644 tools/libfdt/fdt_wip.c

diff --git a/lib/libfdt/Makefile b/lib/libfdt/Makefile
index 369bbf9ba3..be42e946b7 100644
--- a/lib/libfdt/Makefile
+++ b/lib/libfdt/Makefile
@@ -8,6 +8,7 @@
 # Use upstream code.
 obj-y += \
 	fdt.o \
+	fdt_wip.o \
 	fdt_strerror.o \
 	fdt_sw.o \
 	fdt_empty_tree.o \
@@ -19,8 +20,7 @@ obj-$(CONFIG_OF_LIBFDT_OVERLAY) += fdt_overlay.o
 # TODO: split out the local modifiction.
 obj-y += \
 	fdt_ro.o \
-	fdt_rw.o \
-	fdt_wip.o \
+	fdt_rw.o
 
 # U-Boot own file
 obj-y += fdt_region.o
diff --git a/lib/libfdt/fdt_wip.c b/lib/libfdt/fdt_wip.c
index 7274c81b62..6a771d0660 100644
--- a/lib/libfdt/fdt_wip.c
+++ b/lib/libfdt/fdt_wip.c
@@ -1,98 +1,2 @@
-/*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- * SPDX-License-Identifier:	GPL-2.0+ BSD-2-Clause
- */
-#include <libfdt_env.h>
-
-#ifndef USE_HOSTCC
-#include <fdt.h>
-#include <libfdt.h>
-#else
-#include "fdt_host.h"
-#endif
-
-#include "libfdt_internal.h"
-
-int fdt_setprop_inplace_namelen_partial(void *fdt, int nodeoffset,
-					const char *name, int namelen,
-					uint32_t idx, const void *val,
-					int len)
-{
-	void *propval;
-	int proplen;
-
-	propval = fdt_getprop_namelen_w(fdt, nodeoffset, name, namelen,
-					&proplen);
-	if (!propval)
-		return proplen;
-
-	if (proplen < (len + idx))
-		return -FDT_ERR_NOSPACE;
-
-	memcpy((char *)propval + idx, val, len);
-	return 0;
-}
-
-int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
-			const void *val, int len)
-{
-	const void *propval;
-	int proplen;
-
-	propval = fdt_getprop(fdt, nodeoffset, name, &proplen);
-	if (!propval)
-		return proplen;
-
-	if (proplen != len)
-		return -FDT_ERR_NOSPACE;
-
-	return fdt_setprop_inplace_namelen_partial(fdt, nodeoffset, name,
-						   strlen(name), 0,
-						   val, len);
-}
-
-static void _fdt_nop_region(void *start, int len)
-{
-	fdt32_t *p;
-
-	for (p = start; (char *)p < ((char *)start + len); p++)
-		*p = cpu_to_fdt32(FDT_NOP);
-}
-
-int fdt_nop_property(void *fdt, int nodeoffset, const char *name)
-{
-	struct fdt_property *prop;
-	int len;
-
-	prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
-	if (!prop)
-		return len;
-
-	_fdt_nop_region(prop, len + sizeof(*prop));
-
-	return 0;
-}
-
-int _fdt_node_end_offset(void *fdt, int offset)
-{
-	int depth = 0;
-
-	while ((offset >= 0) && (depth >= 0))
-		offset = fdt_next_node(fdt, offset, &depth);
-
-	return offset;
-}
-
-int fdt_nop_node(void *fdt, int nodeoffset)
-{
-	int endoffset;
-
-	endoffset = _fdt_node_end_offset(fdt, nodeoffset);
-	if (endoffset < 0)
-		return endoffset;
-
-	_fdt_nop_region(fdt_offset_ptr_w(fdt, nodeoffset, 0),
-			endoffset - nodeoffset);
-	return 0;
-}
+#include <linux/libfdt_env.h>
+#include "../../scripts/dtc/libfdt/fdt_wip.c"
diff --git a/tools/Makefile b/tools/Makefile
index acbcd87af2..4d32fe5910 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -61,11 +61,11 @@ FIT_SIG_OBJS-$(CONFIG_FIT_SIGNATURE) := common/image-sig.o
 
 # The following files are synced with upstream DTC.
 # Use synced versions from scripts/dtc/libfdt/.
-LIBFDT_SRCS_SYNCED := fdt.c fdt_sw.c fdt_strerror.c fdt_empty_tree.c \
+LIBFDT_SRCS_SYNCED := fdt.c fdt_wip.c fdt_sw.c fdt_strerror.c fdt_empty_tree.c \
 		      fdt_addresses.c fdt_overlay.c
 # The following files are locally modified for U-Boot (unfotunately).
 # Use U-Boot own versions from lib/libfdt/.
-LIBFDT_SRCS_UNSYNCED := fdt_ro.c fdt_wip.c fdt_rw.c fdt_region.c
+LIBFDT_SRCS_UNSYNCED := fdt_ro.c fdt_rw.c fdt_region.c
 
 LIBFDT_OBJS := $(addprefix libfdt/, $(patsubst %.c, %.o, $(LIBFDT_SRCS_SYNCED))) \
 	       $(addprefix lib/libfdt/, $(patsubst %.c, %.o, $(LIBFDT_SRCS_UNSYNCED)))
diff --git a/tools/libfdt/fdt_wip.c b/tools/libfdt/fdt_wip.c
new file mode 100644
index 0000000000..bad73ed9e7
--- /dev/null
+++ b/tools/libfdt/fdt_wip.c
@@ -0,0 +1,2 @@
+#include "fdt_host.h"
+#include "../scripts/dtc/libfdt/fdt_wip.c"