Merge branch 'master' of git://git.denx.de/u-boot-ti

[karo-tx-uboot.git] / lib / libfdt / fdt_rw.c

diff --git a/lib/libfdt/fdt_rw.c b/lib/libfdt/fdt_rw.c
index 5c27a677e3536ed7320ee399113666975e5d545b..bec8b8ad891846e5240c476cf3b15e34eb3f66e8 100644 (file)
--- a/lib/libfdt/fdt_rw.c
+++ b/lib/libfdt/fdt_rw.c
@@ -1,52 +1,7 @@
 /*
  * libfdt - Flat Device Tree manipulation
  * Copyright (C) 2006 David Gibson, IBM Corporation.
- *
- * libfdt is dual licensed: you can use it either under the terms of
- * the GPL, or the BSD license, at your option.
- *
- *  a) This library is free software; you can redistribute it and/or
- *     modify it under the terms of the GNU General Public License as
- *     published by the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- *     You should have received a copy of the GNU 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
- *
- * Alternatively,
- *
- *  b) Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *     1. Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *     2. Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-License-Identifier:    GPL-2.0+ BSD-2-Clause
  */
 #include "libfdt_env.h"
 
@@ -88,9 +43,9 @@ static int _fdt_rw_check_header(void *fdt)
 
 #define FDT_RW_CHECK_HEADER(fdt) \
        { \
-               int err; \
-               if ((err = _fdt_rw_check_header(fdt)) != 0) \
-                       return err; \
+               int __err; \
+               if ((__err = _fdt_rw_check_header(fdt)) != 0) \
+                       return __err; \
        }
 
 static inline int _fdt_data_size(void *fdt)
@@ -293,6 +248,33 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
        return 0;
 }
 
+int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
+                  const void *val, int len)
+{
+       struct fdt_property *prop;
+       int err, oldlen, newlen;
+
+       FDT_RW_CHECK_HEADER(fdt);
+
+       prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
+       if (prop) {
+               newlen = len + oldlen;
+               err = _fdt_splice_struct(fdt, prop->data,
+                                        FDT_TAGALIGN(oldlen),
+                                        FDT_TAGALIGN(newlen));
+               if (err)
+                       return err;
+               prop->len = cpu_to_fdt32(newlen);
+               memcpy(prop->data + oldlen, val, len);
+       } else {
+               err = _fdt_add_property(fdt, nodeoffset, name, len, &prop);
+               if (err)
+                       return err;
+               memcpy(prop->data, val, len);
+       }
+       return 0;
+}
+
 int fdt_delprop(void *fdt, int nodeoffset, const char *name)
 {
        struct fdt_property *prop;
@@ -316,7 +298,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
        int nodelen;
        int err;
        uint32_t tag;
-       uint32_t *endtag;
+       fdt32_t *endtag;
 
        FDT_RW_CHECK_HEADER(fdt);
 
@@ -343,7 +325,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset,
        nh->tag = cpu_to_fdt32(FDT_BEGIN_NODE);
        memset(nh->name, 0, FDT_TAGALIGN(namelen+1));
        memcpy(nh->name, name, namelen);
-       endtag = (uint32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
+       endtag = (fdt32_t *)((char *)nh + nodelen - FDT_TAGSIZE);
        *endtag = cpu_to_fdt32(FDT_END_NODE);
 
        return offset;