libs/libfdt/fdt_ro.c

13 static int fdt_nodename_eq_(const void *fdt, int offset,
17 	const char *p = fdt_get_name(fdt, offset, &olen);
117 	int offset = -1;
122 		offset = fdt_next_node(fdt, offset, NULL);
123 		if (offset < 0) {
124 			if (offset == -FDT_ERR_NOTFOUND)
127 			return offset;
130 		value = fdt_get_phandle(fdt, offset);
162 	unsigned int offset = n * sizeof(struct fdt_reserve_entry);
163 	unsigned int absoffset = fdt_off_mem_rsvmap(fdt) + offset;
201 static int nextprop_(const void *fdt, int offset)
207 		tag = fdt_next_tag(fdt, offset, &nextoffset);
217 			return offset;
219 		offset = nextoffset;
225 int fdt_subnode_offset_namelen(const void *fdt, int offset,
233 	     (offset >= 0) && (depth >= 0);
234 	     offset = fdt_next_node(fdt, offset, &depth))
236 		    && fdt_nodename_eq_(fdt, offset, name, namelen))
237 			return offset;
241 	return offset; /* error */
254 	int offset = 0;
268 		offset = fdt_path_offset(fdt, p);
279 				return offset;
285 		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);
286 		if (offset < 0)
287 			return offset;
292 	return offset;
340 	int offset;
342 	if ((offset = fdt_check_node_offset_(fdt, nodeoffset)) < 0)
343 		return offset;
345 	return nextprop_(fdt, offset);
348 int fdt_next_property_offset(const void *fdt, int offset)
350 	if ((offset = fdt_check_prop_offset_(fdt, offset)) < 0)
351 		return offset;
353 	return nextprop_(fdt, offset);
357 						              int offset,
364 	    (err = fdt_check_prop_offset_(fdt, offset)) < 0) {
370 	prop = fdt_offset_ptr_(fdt, offset);
379 						      int offset,
391 	return fdt_get_property_by_offset_(fdt, offset, lenp);
395 						            int offset,
401 	for (offset = fdt_first_property_offset(fdt, offset);
402 	     (offset >= 0);
403 	     (offset = fdt_next_property_offset(fdt, offset))) {
406 		prop = fdt_get_property_by_offset_(fdt, offset, lenp);
408 			offset = -FDT_ERR_INTERNAL;
414 				*poffset = offset;
420 		*lenp = offset;
426 						    int offset,
438 	return fdt_get_property_namelen_(fdt, offset, name, namelen, lenp,
469 const void *fdt_getprop_by_offset(const void *fdt, int offset,
474 	prop = fdt_get_property_by_offset_(fdt, offset, lenp);
497 	    (offset + sizeof(*prop)) % 8 && fdt32_ld_(&prop->len) >= 8)
545 	int offset, depth, namelen;
553 	for (offset = 0, depth = 0;
554 	     (offset >= 0) && (offset <= nodeoffset);
555 	     offset = fdt_next_node(fdt, offset, &depth)) {
564 			name = fdt_get_name(fdt, offset, &namelen);
575 		if (offset == nodeoffset) {
586 	if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
588 	else if (offset == -FDT_ERR_BADOFFSET)
591 	return offset; /* error from fdt_next_node() */
597 	int offset, depth;
605 	for (offset = 0, depth = 0;
606 	     (offset >= 0) && (offset <= nodeoffset);
607 	     offset = fdt_next_node(fdt, offset, &depth)) {
609 			supernodeoffset = offset;
611 		if (offset == nodeoffset) {
623 		if ((offset == -FDT_ERR_NOTFOUND) || (offset >= 0))
625 		else if (offset == -FDT_ERR_BADOFFSET)
629 	return offset; /* error from fdt_next_node() */
658 	int offset;
669 	for (offset = fdt_next_node(fdt, startoffset, NULL);
670 	     offset >= 0;
671 	     offset = fdt_next_node(fdt, offset, NULL)) {
672 		val = fdt_getprop(fdt, offset, propname, &len);
675 			return offset;
678 	return offset; /* error from fdt_next_node() */
683 	int offset;
696 	for (offset = fdt_next_node(fdt, -1, NULL);
697 	     offset >= 0;
698 	     offset = fdt_next_node(fdt, offset, NULL)) {
699 		if (fdt_get_phandle(fdt, offset) == phandle)
700 			return offset;
703 	return offset; /* error from fdt_next_node() */
839 	int offset, err;
848 	for (offset = fdt_next_node(fdt, startoffset, NULL);
849 	     offset >= 0;
850 	     offset = fdt_next_node(fdt, offset, NULL)) {
851 		err = fdt_node_check_compatible(fdt, offset, compatible);
855 			return offset;
858 	return offset; /* error from fdt_next_node() */