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diff --git a/qemu/dtc/tests/setprop_inplace.c b/qemu/dtc/tests/setprop_inplace.c
new file mode 100644
index 000000000..daef182d0
--- /dev/null
+++ b/qemu/dtc/tests/setprop_inplace.c
@@ -0,0 +1,87 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Testcase for fdt_setprop_inplace()
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *fdt;
+	const uint32_t *intp;
+	const uint64_t *int64p;
+	const char *strp;
+	char *xstr;
+	int xlen, i;
+	int err;
+
+	test_init(argc, argv);
+	fdt = load_blob_arg(argc, argv);
+
+	intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1);
+
+	verbose_printf("Old int value was 0x%08x\n", *intp);
+	err = fdt_setprop_inplace_cell(fdt, 0, "prop-int", ~TEST_VALUE_1);
+	if (err)
+		FAIL("Failed to set \"prop-int\" to 0x%08x: %s",
+		     ~TEST_VALUE_1, fdt_strerror(err));
+	intp = check_getprop_cell(fdt, 0, "prop-int", ~TEST_VALUE_1);
+	verbose_printf("New int value is 0x%08x\n", *intp);
+
+	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
+			     TEST_STRING_1);
+
+
+	int64p = check_getprop_64(fdt, 0, "prop-int64", TEST_VALUE64_1);
+
+	verbose_printf("Old int64 value was 0x%016" PRIx64 "\n", *int64p);
+	err = fdt_setprop_inplace_u64(fdt, 0, "prop-int64", ~TEST_VALUE64_1);
+	if (err)
+		FAIL("Failed to set \"prop-int64\" to 0x%016llx: %s",
+		     ~TEST_VALUE64_1, fdt_strerror(err));
+	int64p = check_getprop_64(fdt, 0, "prop-int64", ~TEST_VALUE64_1);
+	verbose_printf("New int64 value is 0x%016" PRIx64 "\n", *int64p);
+
+	strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1,
+			     TEST_STRING_1);
+
+	verbose_printf("Old string value was \"%s\"\n", strp);
+	xstr = strdup(strp);
+	xlen = strlen(xstr);
+	for (i = 0; i < xlen; i++)
+		xstr[i] = toupper(xstr[i]);
+	err = fdt_setprop_inplace(fdt, 0, "prop-str", xstr, xlen+1);
+	if (err)
+		FAIL("Failed to set \"prop-str\" to \"%s\": %s",
+		     xstr, fdt_strerror(err));
+
+	strp = check_getprop(fdt, 0, "prop-str", xlen+1, xstr);
+	verbose_printf("New string value is \"%s\"\n", strp);
+
+	PASS();
+}