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_namelen(const void *fdt, const char *path, int namelen)  in fdt_path_offset_namelen()  argument
163 	FDT_CHECK_HEADER(fdt);  in fdt_path_offset_namelen()
172 		p = fdt_get_alias_namelen(fdt, p, q - p);  in fdt_path_offset_namelen()
175 		offset = fdt_path_offset(fdt, p);  in fdt_path_offset_namelen()
192 		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);  in fdt_path_offset_namelen()
202 int fdt_path_offset(const void *fdt, const char *path)  in fdt_path_offset()  argument
204 	return fdt_path_offset_namelen(fdt, path, strlen(path));  in fdt_path_offset()
207 const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)  in fdt_get_name()  argument
209 	const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);  in fdt_get_name()
212 	if (((err = fdt_check_header(fdt)) != 0)  in fdt_get_name()
213 	    || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))  in fdt_get_name()
227 int fdt_first_property_offset(const void *fdt, int nodeoffset)  in fdt_first_property_offset()  argument
231 	if ((offset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)  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()
242 	return _nextprop(fdt, offset);  in fdt_next_property_offset()
245 const struct fdt_property *fdt_get_property_by_offset(const void *fdt,  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()
266 const struct fdt_property *fdt_get_property_namelen(const void *fdt,  in fdt_get_property_namelen()  argument
271 	for (offset = fdt_first_property_offset(fdt, offset);  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()
280 		if (_fdt_string_eq(fdt, fdt32_to_cpu(prop->nameoff),  in fdt_get_property_namelen()
290 const struct fdt_property *fdt_get_property(const void *fdt,  in fdt_get_property()  argument
294 	return fdt_get_property_namelen(fdt, nodeoffset, name,  in fdt_get_property()
298 const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,  in fdt_getprop_namelen()  argument
303 	prop = fdt_get_property_namelen(fdt, nodeoffset, name, namelen, lenp);  in fdt_getprop_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()
319 		*namep = fdt_string(fdt, fdt32_to_cpu(prop->nameoff));  in fdt_getprop_by_offset()
323 const void *fdt_getprop(const void *fdt, int nodeoffset,  in fdt_getprop()  argument
326 	return fdt_getprop_namelen(fdt, nodeoffset, name, strlen(name), lenp);  in fdt_getprop()
329 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)  in fdt_get_phandle()  argument
336 	php = fdt_getprop(fdt, nodeoffset, "phandle", &len);  in fdt_get_phandle()
338 		php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len);  in fdt_get_phandle()
346 const char *fdt_get_alias_namelen(const void *fdt,  in fdt_get_alias_namelen()  argument
351 	aliasoffset = fdt_path_offset(fdt, "/aliases");  in fdt_get_alias_namelen()
355 	return fdt_getprop_namelen(fdt, aliasoffset, name, namelen, NULL);  in fdt_get_alias_namelen()
358 const char *fdt_get_alias(const void *fdt, const char *name)  in fdt_get_alias()  argument
360 	return fdt_get_alias_namelen(fdt, name, strlen(name));  in fdt_get_alias()
363 int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)  in fdt_get_path()  argument
369 	FDT_CHECK_HEADER(fdt);  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()
415 int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,  in fdt_supernode_atdepth_offset()  argument
421 	FDT_CHECK_HEADER(fdt);  in fdt_supernode_atdepth_offset()
428 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_supernode_atdepth_offset()
451 int fdt_node_depth(const void *fdt, int nodeoffset)  in fdt_node_depth()  argument
456 	err = fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, &nodedepth);  in fdt_node_depth()
462 int fdt_parent_offset(const void *fdt, int nodeoffset)  in fdt_parent_offset()  argument
464 	int nodedepth = fdt_node_depth(fdt, nodeoffset);  in fdt_parent_offset()
468 	return fdt_supernode_atdepth_offset(fdt, nodeoffset,  in fdt_parent_offset()
472 int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,  in fdt_node_offset_by_prop_value()  argument
480 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_prop_value()
487 	for (offset = fdt_next_node(fdt, startoffset, NULL);  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()
499 int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)  in fdt_node_offset_by_phandle()  argument
506 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_phandle()
514 	for (offset = fdt_next_node(fdt, -1, NULL);  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()
541 int fdt_node_check_compatible(const void *fdt, int nodeoffset,  in fdt_node_check_compatible()  argument
547 	prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);  in fdt_node_check_compatible()
556 int fdt_node_offset_by_compatible(const void *fdt, int startoffset,  in fdt_node_offset_by_compatible()  argument
561 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_compatible()
568 	for (offset = fdt_next_node(fdt, startoffset, NULL);  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()