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_namelen()  local
175 		offset = fdt_path_offset(fdt, p);  in fdt_path_offset_namelen()
186 				return offset;  in fdt_path_offset_namelen()
192 		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);  in fdt_path_offset_namelen()
193 		if (offset < 0)  in fdt_path_offset_namelen()
194 			return offset;  in fdt_path_offset_namelen()
199 	return offset;  in fdt_path_offset_namelen()
229 	int offset;  in fdt_first_property_offset()  local
231 	if ((offset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)  in fdt_first_property_offset()
232 		return offset;  in fdt_first_property_offset()
234 	return _nextprop(fdt, offset);  in fdt_first_property_offset()
237 int fdt_next_property_offset(const void *fdt, int offset)  in fdt_next_property_offset()  argument
239 	if ((offset = _fdt_check_prop_offset(fdt, offset)) < 0)  in fdt_next_property_offset()
240 		return offset;  in fdt_next_property_offset()
242 	return _nextprop(fdt, offset);  in fdt_next_property_offset()
246 						      int offset,  in fdt_get_property_by_offset()  argument
252 	if ((err = _fdt_check_prop_offset(fdt, offset)) < 0) {  in fdt_get_property_by_offset()
258 	prop = _fdt_offset_ptr(fdt, offset);  in fdt_get_property_by_offset()
267 						    int offset,  in fdt_get_property_namelen()  argument
271 	for (offset = fdt_first_property_offset(fdt, offset);  in fdt_get_property_namelen()
272 	     (offset >= 0);  in fdt_get_property_namelen()
273 	     (offset = fdt_next_property_offset(fdt, offset))) {  in fdt_get_property_namelen()
276 		if (!(prop = fdt_get_property_by_offset(fdt, offset, lenp))) {  in fdt_get_property_namelen()
277 			offset = -FDT_ERR_INTERNAL;  in fdt_get_property_namelen()
286 		*lenp = offset;  in fdt_get_property_namelen()
310 const void *fdt_getprop_by_offset(const void *fdt, int offset,  in fdt_getprop_by_offset()  argument
315 	prop = fdt_get_property_by_offset(fdt, offset, lenp);  in fdt_getprop_by_offset()
366 	int offset, depth, namelen;  in fdt_get_path()  local
374 	for (offset = 0, depth = 0;  in fdt_get_path()
375 	     (offset >= 0) && (offset <= nodeoffset);  in fdt_get_path()
376 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_get_path()
385 			name = fdt_get_name(fdt, offset, &namelen);  in fdt_get_path()
396 		if (offset == nodeoffset) {  in fdt_get_path()
407 	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))  in fdt_get_path()
409 	else if (offset == -FDT_ERR_BADOFFSET)  in fdt_get_path()
412 	return offset; /* error from fdt_next_node() */  in fdt_get_path()
418 	int offset, depth;  in fdt_supernode_atdepth_offset()  local
426 	for (offset = 0, depth = 0;  in fdt_supernode_atdepth_offset()
427 	     (offset >= 0) && (offset <= nodeoffset);  in fdt_supernode_atdepth_offset()
428 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_supernode_atdepth_offset()
430 			supernodeoffset = offset;  in fdt_supernode_atdepth_offset()
432 		if (offset == nodeoffset) {  in fdt_supernode_atdepth_offset()
443 	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))  in fdt_supernode_atdepth_offset()
445 	else if (offset == -FDT_ERR_BADOFFSET)  in fdt_supernode_atdepth_offset()
448 	return offset; /* error from fdt_next_node() */  in fdt_supernode_atdepth_offset()
476 	int offset;  in fdt_node_offset_by_prop_value()  local
487 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_prop_value()
488 	     offset >= 0;  in fdt_node_offset_by_prop_value()
489 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_prop_value()
490 		val = fdt_getprop(fdt, offset, propname, &len);  in fdt_node_offset_by_prop_value()
493 			return offset;  in fdt_node_offset_by_prop_value()
496 	return offset; /* error from fdt_next_node() */  in fdt_node_offset_by_prop_value()
501 	int offset;  in fdt_node_offset_by_phandle()  local
514 	for (offset = fdt_next_node(fdt, -1, NULL);  in fdt_node_offset_by_phandle()
515 	     offset >= 0;  in fdt_node_offset_by_phandle()
516 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_phandle()
517 		if (fdt_get_phandle(fdt, offset) == phandle)  in fdt_node_offset_by_phandle()
518 			return offset;  in fdt_node_offset_by_phandle()
521 	return offset; /* error from fdt_next_node() */  in fdt_node_offset_by_phandle()
559 	int offset, err;  in fdt_node_offset_by_compatible()  local
568 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_compatible()
569 	     offset >= 0;  in fdt_node_offset_by_compatible()
570 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_compatible()
571 		err = fdt_node_check_compatible(fdt, offset, compatible);  in fdt_node_offset_by_compatible()
575 			return offset;  in fdt_node_offset_by_compatible()
578 	return offset; /* error from fdt_next_node() */  in fdt_node_offset_by_compatible()