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()
78 const char *fdt_string(const void *fdt, int stroffset)  in fdt_string()  argument
80 	return (const char *)fdt + fdt_off_dt_strings(fdt) + stroffset;  in fdt_string()
83 static int _fdt_string_eq(const void *fdt, int stroffset,  in _fdt_string_eq()  argument
86 	const char *p = fdt_string(fdt, stroffset);  in _fdt_string_eq()
91 int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)  in fdt_get_mem_rsv()  argument
93 	FDT_CHECK_HEADER(fdt);  in fdt_get_mem_rsv()
94 	*address = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->address);  in fdt_get_mem_rsv()
95 	*size = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->size);  in fdt_get_mem_rsv()
99 int fdt_num_mem_rsv(const void *fdt)  in fdt_num_mem_rsv()  argument
103 	while (fdt64_to_cpu(_fdt_mem_rsv(fdt, i)->size) != 0)  in fdt_num_mem_rsv()
108 static int _nextprop(const void *fdt, int offset)  in _nextprop()  argument
114 		tag = fdt_next_tag(fdt, offset, &nextoffset);  in _nextprop()
132 int fdt_subnode_offset_namelen(const void *fdt, int offset,  in fdt_subnode_offset_namelen()  argument
137 	FDT_CHECK_HEADER(fdt);  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()
151 int fdt_subnode_offset(const void *fdt, int parentoffset,  in fdt_subnode_offset()  argument
154 	return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name));  in fdt_subnode_offset()
157 int fdt_path_offset(const void *fdt, const char *path)  in fdt_path_offset()  argument
163 	FDT_CHECK_HEADER(fdt);  in fdt_path_offset()
172 		p = fdt_get_alias_namelen(fdt, p, q - p);  in fdt_path_offset()
175 		offset = fdt_path_offset(fdt, p);  in fdt_path_offset()
191 		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);  in fdt_path_offset()
201 const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)  in fdt_get_name()  argument
203 	const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);  in fdt_get_name()
206 	if (((err = fdt_check_header(fdt)) != 0)  in fdt_get_name()
207 	    || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))  in fdt_get_name()
221 int fdt_first_property_offset(const void *fdt, int nodeoffset)  in fdt_first_property_offset()  argument
225 	if ((offset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)  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()
236 	return _nextprop(fdt, offset);  in fdt_next_property_offset()
239 const struct fdt_property *fdt_get_property_by_offset(const void *fdt,  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()
260 const struct fdt_property *fdt_get_property_namelen(const void *fdt,  in fdt_get_property_namelen()  argument
265 	for (offset = fdt_first_property_offset(fdt, offset);  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()
274 		if (_fdt_string_eq(fdt, fdt32_to_cpu(prop->nameoff),  in fdt_get_property_namelen()
284 const struct fdt_property *fdt_get_property(const void *fdt,  in fdt_get_property()  argument
288 	return fdt_get_property_namelen(fdt, nodeoffset, name,  in fdt_get_property()
292 const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,  in fdt_getprop_namelen()  argument
297 	prop = fdt_get_property_namelen(fdt, nodeoffset, name, namelen, lenp);  in fdt_getprop_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()
313 		*namep = fdt_string(fdt, fdt32_to_cpu(prop->nameoff));  in fdt_getprop_by_offset()
317 const void *fdt_getprop(const void *fdt, int nodeoffset,  in fdt_getprop()  argument
320 	return fdt_getprop_namelen(fdt, nodeoffset, name, strlen(name), lenp);  in fdt_getprop()
323 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)  in fdt_get_phandle()  argument
330 	php = fdt_getprop(fdt, nodeoffset, "phandle", &len);  in fdt_get_phandle()
332 		php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len);  in fdt_get_phandle()
340 const char *fdt_get_alias_namelen(const void *fdt,  in fdt_get_alias_namelen()  argument
345 	aliasoffset = fdt_path_offset(fdt, "/aliases");  in fdt_get_alias_namelen()
349 	return fdt_getprop_namelen(fdt, aliasoffset, name, namelen, NULL);  in fdt_get_alias_namelen()
352 const char *fdt_get_alias(const void *fdt, const char *name)  in fdt_get_alias()  argument
354 	return fdt_get_alias_namelen(fdt, name, strlen(name));  in fdt_get_alias()
357 int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)  in fdt_get_path()  argument
363 	FDT_CHECK_HEADER(fdt);  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()
409 int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,  in fdt_supernode_atdepth_offset()  argument
415 	FDT_CHECK_HEADER(fdt);  in fdt_supernode_atdepth_offset()
422 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_supernode_atdepth_offset()
445 int fdt_node_depth(const void *fdt, int nodeoffset)  in fdt_node_depth()  argument
450 	err = fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, &nodedepth);  in fdt_node_depth()
456 int fdt_parent_offset(const void *fdt, int nodeoffset)  in fdt_parent_offset()  argument
458 	int nodedepth = fdt_node_depth(fdt, nodeoffset);  in fdt_parent_offset()
462 	return fdt_supernode_atdepth_offset(fdt, nodeoffset,  in fdt_parent_offset()
466 int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,  in fdt_node_offset_by_prop_value()  argument
474 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_prop_value()
481 	for (offset = fdt_next_node(fdt, startoffset, NULL);  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()
493 int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)  in fdt_node_offset_by_phandle()  argument
500 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_phandle()
508 	for (offset = fdt_next_node(fdt, -1, NULL);  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()
536 int fdt_node_check_compatible(const void *fdt, int nodeoffset,  in fdt_node_check_compatible()  argument
542 	prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);  in fdt_node_check_compatible()
551 int fdt_node_offset_by_compatible(const void *fdt, int startoffset,  in fdt_node_offset_by_compatible()  argument
556 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_compatible()
563 	for (offset = fdt_next_node(fdt, startoffset, NULL);  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()