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 int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)  in fdt_get_mem_rsv()  argument
85 	FDT_CHECK_HEADER(fdt);  in fdt_get_mem_rsv()
86 	*address = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->address);  in fdt_get_mem_rsv()
87 	*size = fdt64_to_cpu(_fdt_mem_rsv(fdt, n)->size);  in fdt_get_mem_rsv()
91 int fdt_num_mem_rsv(const void *fdt)  in fdt_num_mem_rsv()  argument
95 	while (fdt64_to_cpu(_fdt_mem_rsv(fdt, i)->size) != 0)  in fdt_num_mem_rsv()
100 int fdt_subnode_offset_namelen(const void *fdt, int offset,  in fdt_subnode_offset_namelen()  argument
105 	FDT_CHECK_HEADER(fdt);  in fdt_subnode_offset_namelen()
107 	for (depth = 0, offset = fdt_next_node(fdt, offset, &depth);  in fdt_subnode_offset_namelen()
109 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_subnode_offset_namelen()
113 			 && _fdt_nodename_eq(fdt, offset, name, namelen))  in fdt_subnode_offset_namelen()
123 int fdt_subnode_offset(const void *fdt, int parentoffset,  in fdt_subnode_offset()  argument
126 	return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name));  in fdt_subnode_offset()
129 int fdt_path_offset(const void *fdt, const char *path)  in fdt_path_offset()  argument
135 	FDT_CHECK_HEADER(fdt);  in fdt_path_offset()
151 		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);  in fdt_path_offset()
161 const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)  in fdt_get_name()  argument
163 	const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);  in fdt_get_name()
166 	if (((err = fdt_check_header(fdt)) != 0)  in fdt_get_name()
167 	    || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))  in fdt_get_name()
181 const struct fdt_property *fdt_get_property(const void *fdt,  in fdt_get_property()  argument
191 	if (((err = fdt_check_header(fdt)) != 0)  in fdt_get_property()
192 	    || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))  in fdt_get_property()
199 		tag = fdt_next_tag(fdt, offset, &nextoffset);  in fdt_get_property()
212 			prop = fdt_offset_ptr(fdt, offset, sizeof(*prop));  in fdt_get_property()
216 			if (strcmp(fdt_string(fdt, namestroff), name) == 0) {  in fdt_get_property()
219 				prop = fdt_offset_ptr(fdt, offset,  in fdt_get_property()
244 const void *fdt_getprop(const void *fdt, int nodeoffset,  in fdt_getprop()  argument
249 	prop = fdt_get_property(fdt, nodeoffset, name, lenp);  in fdt_getprop()
256 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)  in fdt_get_phandle()  argument
261 	php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len);  in fdt_get_phandle()
268 int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)  in fdt_get_path()  argument
274 	FDT_CHECK_HEADER(fdt);  in fdt_get_path()
281 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_get_path()
292 		name = fdt_get_name(fdt, offset, &namelen);  in fdt_get_path()
321 int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,  in fdt_supernode_atdepth_offset()  argument
327 	FDT_CHECK_HEADER(fdt);  in fdt_supernode_atdepth_offset()
334 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_supernode_atdepth_offset()
357 int fdt_node_depth(const void *fdt, int nodeoffset)  in fdt_node_depth()  argument
362 	err = fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, &nodedepth);  in fdt_node_depth()
368 int fdt_parent_offset(const void *fdt, int nodeoffset)  in fdt_parent_offset()  argument
370 	int nodedepth = fdt_node_depth(fdt, nodeoffset);  in fdt_parent_offset()
374 	return fdt_supernode_atdepth_offset(fdt, nodeoffset,  in fdt_parent_offset()
378 int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,  in fdt_node_offset_by_prop_value()  argument
386 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_prop_value()
393 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_prop_value()
395 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_prop_value()
396 		val = fdt_getprop(fdt, offset, propname, &len);  in fdt_node_offset_by_prop_value()
405 int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)  in fdt_node_offset_by_phandle()  argument
410 	return fdt_node_offset_by_prop_value(fdt, -1, "linux,phandle",  in fdt_node_offset_by_phandle()
431 int fdt_node_check_compatible(const void *fdt, int nodeoffset,  in fdt_node_check_compatible()  argument
437 	prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);  in fdt_node_check_compatible()
446 int fdt_node_offset_by_compatible(const void *fdt, int startoffset,  in fdt_node_offset_by_compatible()  argument
451 	FDT_CHECK_HEADER(fdt);  in fdt_node_offset_by_compatible()
458 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_compatible()
460 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_compatible()
461 		err = fdt_node_check_compatible(fdt, offset, compatible);  in fdt_node_offset_by_compatible()