13 static int fdt_nodename_eq_(const void *fdt, int offset,  in fdt_nodename_eq_()  argument
17 	const char *p = fdt_get_name(fdt, offset, &olen);  in fdt_nodename_eq_()
34 const char *fdt_get_string(const void *fdt, int stroffset, int *lenp)  in fdt_get_string()  argument
36 	uint32_t absoffset = stroffset + fdt_off_dt_strings(fdt);  in fdt_get_string()
41 	err = fdt_ro_probe_(fdt);  in fdt_get_string()
46 	if (absoffset >= fdt_totalsize(fdt))  in fdt_get_string()
48 	len = fdt_totalsize(fdt) - absoffset;  in fdt_get_string()
50 	if (fdt_magic(fdt) == FDT_MAGIC) {  in fdt_get_string()
53 		if (fdt_version(fdt) >= 17) {  in fdt_get_string()
54 			if (stroffset >= fdt_size_dt_strings(fdt))  in fdt_get_string()
56 			if ((fdt_size_dt_strings(fdt) - stroffset) < len)  in fdt_get_string()
57 				len = fdt_size_dt_strings(fdt) - stroffset;  in fdt_get_string()
59 	} else if (fdt_magic(fdt) == FDT_SW_MAGIC) {  in fdt_get_string()
61 		    || (stroffset < -fdt_size_dt_strings(fdt)))  in fdt_get_string()
70 	s = (const char *)fdt + absoffset;  in fdt_get_string()
88 const char *fdt_string(const void *fdt, int stroffset)  in fdt_string()  argument
90 	return fdt_get_string(fdt, stroffset, NULL);  in fdt_string()
93 static int fdt_string_eq_(const void *fdt, int stroffset,  in fdt_string_eq_()  argument
97 	const char *p = fdt_get_string(fdt, stroffset, &slen);  in fdt_string_eq_()
102 int fdt_find_max_phandle(const void *fdt, uint32_t *phandle)  in fdt_find_max_phandle()  argument
110 		offset = fdt_next_node(fdt, offset, NULL);  in fdt_find_max_phandle()
118 		value = fdt_get_phandle(fdt, offset);  in fdt_find_max_phandle()
130 int fdt_generate_phandle(const void *fdt, uint32_t *phandle)  in fdt_generate_phandle()  argument
135 	err = fdt_find_max_phandle(fdt, &max);  in fdt_generate_phandle()
148 static const struct fdt_reserve_entry *fdt_mem_rsv(const void *fdt, int n)  in fdt_mem_rsv()  argument
151 	int absoffset = fdt_off_mem_rsvmap(fdt) + offset;  in fdt_mem_rsv()
153 	if (absoffset < fdt_off_mem_rsvmap(fdt))  in fdt_mem_rsv()
155 	if (absoffset > fdt_totalsize(fdt) - sizeof(struct fdt_reserve_entry))  in fdt_mem_rsv()
157 	return fdt_mem_rsv_(fdt, n);  in fdt_mem_rsv()
160 int fdt_get_mem_rsv(const void *fdt, int n, uint64_t *address, uint64_t *size)  in fdt_get_mem_rsv()  argument
164 	FDT_RO_PROBE(fdt);  in fdt_get_mem_rsv()
165 	re = fdt_mem_rsv(fdt, n);  in fdt_get_mem_rsv()
174 int fdt_num_mem_rsv(const void *fdt)  in fdt_num_mem_rsv()  argument
179 	for (i = 0; (re = fdt_mem_rsv(fdt, i)) != NULL; i++) {  in fdt_num_mem_rsv()
186 static int nextprop_(const void *fdt, int offset)  in nextprop_()  argument
192 		tag = fdt_next_tag(fdt, offset, &nextoffset);  in nextprop_()
210 int fdt_subnode_offset_namelen(const void *fdt, int offset,  in fdt_subnode_offset_namelen()  argument
215 	FDT_RO_PROBE(fdt);  in fdt_subnode_offset_namelen()
219 	     offset = fdt_next_node(fdt, offset, &depth))  in fdt_subnode_offset_namelen()
221 		    && fdt_nodename_eq_(fdt, offset, name, namelen))  in fdt_subnode_offset_namelen()
229 int fdt_subnode_offset(const void *fdt, int parentoffset,  in fdt_subnode_offset()  argument
232 	return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name));  in fdt_subnode_offset()
235 int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen)  in fdt_path_offset_namelen()  argument
241 	FDT_RO_PROBE(fdt);  in fdt_path_offset_namelen()
250 		p = fdt_get_alias_namelen(fdt, p, q - p);  in fdt_path_offset_namelen()
253 		offset = fdt_path_offset(fdt, p);  in fdt_path_offset_namelen()
270 		offset = fdt_subnode_offset_namelen(fdt, offset, p, q-p);  in fdt_path_offset_namelen()
280 int fdt_path_offset(const void *fdt, const char *path)  in fdt_path_offset()  argument
282 	return fdt_path_offset_namelen(fdt, path, strlen(path));  in fdt_path_offset()
285 const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)  in fdt_get_name()  argument
287 	const struct fdt_node_header *nh = fdt_offset_ptr_(fdt, nodeoffset);  in fdt_get_name()
291 	if (((err = fdt_ro_probe_(fdt)) != 0)  in fdt_get_name()
292 	    || ((err = fdt_check_node_offset_(fdt, nodeoffset)) < 0))  in fdt_get_name()
297 	if (fdt_version(fdt) < 0x10) {  in fdt_get_name()
323 int fdt_first_property_offset(const void *fdt, int nodeoffset)  in fdt_first_property_offset()  argument
327 	if ((offset = fdt_check_node_offset_(fdt, nodeoffset)) < 0)  in fdt_first_property_offset()
330 	return nextprop_(fdt, offset);  in fdt_first_property_offset()
333 int fdt_next_property_offset(const void *fdt, int offset)  in fdt_next_property_offset()  argument
335 	if ((offset = fdt_check_prop_offset_(fdt, offset)) < 0)  in fdt_next_property_offset()
338 	return nextprop_(fdt, offset);  in fdt_next_property_offset()
341 static const struct fdt_property *fdt_get_property_by_offset_(const void *fdt,  in fdt_get_property_by_offset_()  argument
348 	if ((err = fdt_check_prop_offset_(fdt, offset)) < 0) {  in fdt_get_property_by_offset_()
354 	prop = fdt_offset_ptr_(fdt, offset);  in fdt_get_property_by_offset_()
362 const struct fdt_property *fdt_get_property_by_offset(const void *fdt,  in fdt_get_property_by_offset()  argument
369 	if (fdt_version(fdt) < 0x10) {  in fdt_get_property_by_offset()
375 	return fdt_get_property_by_offset_(fdt, offset, lenp);  in fdt_get_property_by_offset()
378 static const struct fdt_property *fdt_get_property_namelen_(const void *fdt,  in fdt_get_property_namelen_()  argument
385 	for (offset = fdt_first_property_offset(fdt, offset);  in fdt_get_property_namelen_()
387 	     (offset = fdt_next_property_offset(fdt, offset))) {  in fdt_get_property_namelen_()
390 		if (!(prop = fdt_get_property_by_offset_(fdt, offset, lenp))) {  in fdt_get_property_namelen_()
394 		if (fdt_string_eq_(fdt, fdt32_ld(&prop->nameoff),  in fdt_get_property_namelen_()
408 const struct fdt_property *fdt_get_property_namelen(const void *fdt,  in fdt_get_property_namelen()  argument
415 	if (fdt_version(fdt) < 0x10) {  in fdt_get_property_namelen()
421 	return fdt_get_property_namelen_(fdt, offset, name, namelen, lenp,  in fdt_get_property_namelen()
426 const struct fdt_property *fdt_get_property(const void *fdt,  in fdt_get_property()  argument
430 	return fdt_get_property_namelen(fdt, nodeoffset, name,  in fdt_get_property()
434 const void *fdt_getprop_namelen(const void *fdt, int nodeoffset,  in fdt_getprop_namelen()  argument
440 	prop = fdt_get_property_namelen_(fdt, nodeoffset, name, namelen, lenp,  in fdt_getprop_namelen()
446 	if (fdt_version(fdt) < 0x10 && (poffset + sizeof(*prop)) % 8 &&  in fdt_getprop_namelen()
452 const void *fdt_getprop_by_offset(const void *fdt, int offset,  in fdt_getprop_by_offset()  argument
457 	prop = fdt_get_property_by_offset_(fdt, offset, lenp);  in fdt_getprop_by_offset()
463 		name = fdt_get_string(fdt, fdt32_ld(&prop->nameoff),  in fdt_getprop_by_offset()
474 	if (fdt_version(fdt) < 0x10 && (offset + sizeof(*prop)) % 8 &&  in fdt_getprop_by_offset()
480 const void *fdt_getprop(const void *fdt, int nodeoffset,  in fdt_getprop()  argument
483 	return fdt_getprop_namelen(fdt, nodeoffset, name, strlen(name), lenp);  in fdt_getprop()
486 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)  in fdt_get_phandle()  argument
493 	php = fdt_getprop(fdt, nodeoffset, "phandle", &len);  in fdt_get_phandle()
495 		php = fdt_getprop(fdt, nodeoffset, "linux,phandle", &len);  in fdt_get_phandle()
503 const char *fdt_get_alias_namelen(const void *fdt,  in fdt_get_alias_namelen()  argument
508 	aliasoffset = fdt_path_offset(fdt, "/aliases");  in fdt_get_alias_namelen()
512 	return fdt_getprop_namelen(fdt, aliasoffset, name, namelen, NULL);  in fdt_get_alias_namelen()
515 const char *fdt_get_alias(const void *fdt, const char *name)  in fdt_get_alias()  argument
517 	return fdt_get_alias_namelen(fdt, name, strlen(name));  in fdt_get_alias()
520 int fdt_get_path(const void *fdt, int nodeoffset, char *buf, int buflen)  in fdt_get_path()  argument
526 	FDT_RO_PROBE(fdt);  in fdt_get_path()
533 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_get_path()
542 			name = fdt_get_name(fdt, offset, &namelen);  in fdt_get_path()
572 int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset,  in fdt_supernode_atdepth_offset()  argument
578 	FDT_RO_PROBE(fdt);  in fdt_supernode_atdepth_offset()
585 	     offset = fdt_next_node(fdt, offset, &depth)) {  in fdt_supernode_atdepth_offset()
608 int fdt_node_depth(const void *fdt, int nodeoffset)  in fdt_node_depth()  argument
613 	err = fdt_supernode_atdepth_offset(fdt, nodeoffset, 0, &nodedepth);  in fdt_node_depth()
619 int fdt_parent_offset(const void *fdt, int nodeoffset)  in fdt_parent_offset()  argument
621 	int nodedepth = fdt_node_depth(fdt, nodeoffset);  in fdt_parent_offset()
625 	return fdt_supernode_atdepth_offset(fdt, nodeoffset,  in fdt_parent_offset()
629 int fdt_node_offset_by_prop_value(const void *fdt, int startoffset,  in fdt_node_offset_by_prop_value()  argument
637 	FDT_RO_PROBE(fdt);  in fdt_node_offset_by_prop_value()
644 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_prop_value()
646 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_prop_value()
647 		val = fdt_getprop(fdt, offset, propname, &len);  in fdt_node_offset_by_prop_value()
656 int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)  in fdt_node_offset_by_phandle()  argument
663 	FDT_RO_PROBE(fdt);  in fdt_node_offset_by_phandle()
671 	for (offset = fdt_next_node(fdt, -1, NULL);  in fdt_node_offset_by_phandle()
673 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_phandle()
674 		if (fdt_get_phandle(fdt, offset) == phandle)  in fdt_node_offset_by_phandle()
698 int fdt_stringlist_count(const void *fdt, int nodeoffset, const char *property)  in fdt_stringlist_count()  argument
703 	list = fdt_getprop(fdt, nodeoffset, property, &length);  in fdt_stringlist_count()
723 int fdt_stringlist_search(const void *fdt, int nodeoffset, const char *property,  in fdt_stringlist_search()  argument
729 	list = fdt_getprop(fdt, nodeoffset, property, &length);  in fdt_stringlist_search()
753 const char *fdt_stringlist_get(const void *fdt, int nodeoffset,  in fdt_stringlist_get()  argument
760 	list = fdt_getprop(fdt, nodeoffset, property, &length);  in fdt_stringlist_get()
798 int fdt_node_check_compatible(const void *fdt, int nodeoffset,  in fdt_node_check_compatible()  argument
804 	prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);  in fdt_node_check_compatible()
811 int fdt_node_offset_by_compatible(const void *fdt, int startoffset,  in fdt_node_offset_by_compatible()  argument
816 	FDT_RO_PROBE(fdt);  in fdt_node_offset_by_compatible()
823 	for (offset = fdt_next_node(fdt, startoffset, NULL);  in fdt_node_offset_by_compatible()
825 	     offset = fdt_next_node(fdt, offset, NULL)) {  in fdt_node_offset_by_compatible()
826 		err = fdt_node_check_compatible(fdt, offset, compatible);  in fdt_node_offset_by_compatible()
836 int fdt_check_full(const void *fdt, size_t bufsize)  in fdt_check_full()  argument
848 	err = fdt_check_header(fdt);  in fdt_check_full()
851 	if (bufsize < fdt_totalsize(fdt))  in fdt_check_full()
854 	num_memrsv = fdt_num_mem_rsv(fdt);  in fdt_check_full()
860 		tag = fdt_next_tag(fdt, offset, &nextoffset);  in fdt_check_full()
887 			prop = fdt_getprop_by_offset(fdt, offset, &propname,  in fdt_check_full()