58 static int _fdt_nodename_eq(const void *fdt, int offset,  in _fdt_nodename_eq()  argument
61 	const char *p = fdt_offset_ptr(fdt, offset + FDT_TAGSIZE, len+1);  in _fdt_nodename_eq()
108 static int _nextprop(const void *fdt, int offset)  in _nextprop()  argument
114 		tag = fdt_next_tag(fdt, offset, &nextoffset);  in _nextprop()
124 			return offset;  in _nextprop()
126 		offset = nextoffset;  in _nextprop()
132 int fdt_subnode_offset_namelen(const void *fdt, int offset,  in fdt_subnode_offset_namelen()  argument
140 	     (offset >= 0) && (depth >= 0);  in fdt_subnode_offset_namelen()
141 	     offset = fdt_next_node(fdt, offset, &depth))  in fdt_subnode_offset_namelen()
143 		    && _fdt_nodename_eq(fdt, offset, name, namelen))  in fdt_subnode_offset_namelen()
144 			return offset;  in fdt_subnode_offset_namelen()
148 	return offset; /* error */  in fdt_subnode_offset_namelen()
161 	int offset = 0;  in fdt_path_offset()  local
175 		offset = fdt_path_offset(fdt, p);  in fdt_path_offset()
186 			return offset;  in fdt_path_offset()
191 		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);  in fdt_path_offset()
192 		if (offset < 0)  in fdt_path_offset()
193 			return offset;  in fdt_path_offset()
198 	return offset;  in fdt_path_offset()
223 	int offset;  in fdt_first_property_offset()  local
225 	if ((offset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)  in fdt_first_property_offset()
226 		return offset;  in fdt_first_property_offset()
228 	return _nextprop(fdt, offset);  in fdt_first_property_offset()
231 int fdt_next_property_offset(const void *fdt, int offset)  in fdt_next_property_offset()  argument
233 	if ((offset = _fdt_check_prop_offset(fdt, offset)) < 0)  in fdt_next_property_offset()
234 		return offset;  in fdt_next_property_offset()
236 	return _nextprop(fdt, offset);  in fdt_next_property_offset()
240 						      int offset,  in fdt_get_property_by_offset()  argument
246 	if ((err = _fdt_check_prop_offset(fdt, offset)) < 0) {  in fdt_get_property_by_offset()
252 	prop = _fdt_offset_ptr(fdt, offset);  in fdt_get_property_by_offset()
261 						    int offset,  in fdt_get_property_namelen()  argument
265 	for (offset = fdt_first_property_offset(fdt, offset);  in fdt_get_property_namelen()
266 	     (offset >= 0);  in fdt_get_property_namelen()
267 	     (offset = fdt_next_property_offset(fdt, offset))) {  in fdt_get_property_namelen()
270 		if (!(prop = fdt_get_property_by_offset(fdt, offset, lenp))) {  in fdt_get_property_namelen()
271 			offset = -FDT_ERR_INTERNAL;  in fdt_get_property_namelen()
280 		*lenp = offset;  in fdt_get_property_namelen()
304 const void *fdt_getprop_by_offset(const void *fdt, int offset,  in fdt_getprop_by_offset()  argument
309 	prop = fdt_get_property_by_offset(fdt, offset, lenp);  in fdt_getprop_by_offset()
360 	int offset, depth, namelen;  in fdt_get_path()  local
368 	for (offset = 0, depth = 0;  in fdt_get_path()
369 	     (offset >= 0) && (offset <= nodeoffset);  in fdt_get_path()
370 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_get_path()
379 			name = fdt_get_name(fdt, offset, &namelen);  in fdt_get_path()
390 		if (offset == nodeoffset) {  in fdt_get_path()
401 	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))  in fdt_get_path()
403 	else if (offset == -FDT_ERR_BADOFFSET)  in fdt_get_path()
406 	return offset; /* error from fdt_next_node() */  in fdt_get_path()
412 	int offset, depth;  in fdt_supernode_atdepth_offset()  local
420 	for (offset = 0, depth = 0;  in fdt_supernode_atdepth_offset()
421 	     (offset >= 0) && (offset <= nodeoffset);  in fdt_supernode_atdepth_offset()
422 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_supernode_atdepth_offset()
424 			supernodeoffset = offset;  in fdt_supernode_atdepth_offset()
426 		if (offset == nodeoffset) {  in fdt_supernode_atdepth_offset()
437 	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))  in fdt_supernode_atdepth_offset()
439 	else if (offset == -FDT_ERR_BADOFFSET)  in fdt_supernode_atdepth_offset()
442 	return offset; /* error from fdt_next_node() */  in fdt_supernode_atdepth_offset()
470 	int offset;  in fdt_node_offset_by_prop_value()  local
481 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_prop_value()
482 	     offset >= 0;  in fdt_node_offset_by_prop_value()
483 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_prop_value()
484 		val = fdt_getprop(fdt, offset, propname, &len);  in fdt_node_offset_by_prop_value()
487 			return offset;  in fdt_node_offset_by_prop_value()
490 	return offset; /* error from fdt_next_node() */  in fdt_node_offset_by_prop_value()
495 	int offset;  in fdt_node_offset_by_phandle()  local
508 	for (offset = fdt_next_node(fdt, -1, NULL);  in fdt_node_offset_by_phandle()
509 	     offset >= 0;  in fdt_node_offset_by_phandle()
510 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_phandle()
511 		if (fdt_get_phandle(fdt, offset) == phandle)  in fdt_node_offset_by_phandle()
512 			return offset;  in fdt_node_offset_by_phandle()
515 	return offset; /* error from fdt_next_node() */  in fdt_node_offset_by_phandle()
554 	int offset, err;  in fdt_node_offset_by_compatible()  local
563 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_compatible()
564 	     offset >= 0;  in fdt_node_offset_by_compatible()
565 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_compatible()
566 		err = fdt_node_check_compatible(fdt, offset, compatible);  in fdt_node_offset_by_compatible()
570 			return offset;  in fdt_node_offset_by_compatible()
573 	return offset; /* error from fdt_next_node() */  in fdt_node_offset_by_compatible()