1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2017 Google, Inc
4 * Written by Simon Glass <sjg@chromium.org>
10 #include <fdt_support.h>
13 #include <linux/libfdt.h>
14 #include <dm/of_access.h>
15 #include <dm/of_addr.h>
16 #include <dm/ofnode.h>
17 #include <linux/err.h>
18 #include <linux/ioport.h>
19 #include <asm/global_data.h>
21 int ofnode_read_u32(ofnode node, const char *propname, u32 *outp)
23 return ofnode_read_u32_index(node, propname, 0, outp);
26 u32 ofnode_read_u32_default(ofnode node, const char *propname, u32 def)
28 assert(ofnode_valid(node));
29 ofnode_read_u32_index(node, propname, 0, &def);
34 int ofnode_read_u32_index(ofnode node, const char *propname, int index,
40 assert(ofnode_valid(node));
41 debug("%s: %s: ", __func__, propname);
43 if (ofnode_is_np(node))
44 return of_read_u32_index(ofnode_to_np(node), propname, index,
47 cell = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), propname,
50 debug("(not found)\n");
54 if (len < (sizeof(int) * (index + 1))) {
55 debug("(not large enough)\n");
59 *outp = fdt32_to_cpu(cell[index]);
60 debug("%#x (%d)\n", *outp, *outp);
65 u32 ofnode_read_u32_index_default(ofnode node, const char *propname, int index,
68 assert(ofnode_valid(node));
69 ofnode_read_u32_index(node, propname, index, &def);
74 int ofnode_read_s32_default(ofnode node, const char *propname, s32 def)
76 assert(ofnode_valid(node));
77 ofnode_read_u32(node, propname, (u32 *)&def);
82 int ofnode_read_u64(ofnode node, const char *propname, u64 *outp)
84 const unaligned_fdt64_t *cell;
87 assert(ofnode_valid(node));
88 debug("%s: %s: ", __func__, propname);
90 if (ofnode_is_np(node))
91 return of_read_u64(ofnode_to_np(node), propname, outp);
93 cell = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node), propname,
95 if (!cell || len < sizeof(*cell)) {
96 debug("(not found)\n");
99 *outp = fdt64_to_cpu(cell[0]);
100 debug("%#llx (%lld)\n", (unsigned long long)*outp,
101 (unsigned long long)*outp);
106 u64 ofnode_read_u64_default(ofnode node, const char *propname, u64 def)
108 assert(ofnode_valid(node));
109 ofnode_read_u64(node, propname, &def);
114 bool ofnode_read_bool(ofnode node, const char *propname)
118 assert(ofnode_valid(node));
119 debug("%s: %s: ", __func__, propname);
121 prop = ofnode_get_property(node, propname, NULL);
123 debug("%s\n", prop ? "true" : "false");
125 return prop ? true : false;
128 const void *ofnode_read_prop(ofnode node, const char *propname, int *sizep)
130 const char *val = NULL;
133 assert(ofnode_valid(node));
134 debug("%s: %s: ", __func__, propname);
136 if (ofnode_is_np(node)) {
137 struct property *prop = of_find_property(
138 ofnode_to_np(node), propname, &len);
145 val = fdt_getprop(gd->fdt_blob, ofnode_to_offset(node),
149 debug("<not found>\n");
151 *sizep = -FDT_ERR_NOTFOUND;
160 const char *ofnode_read_string(ofnode node, const char *propname)
165 str = ofnode_read_prop(node, propname, &len);
169 if (strnlen(str, len) >= len) {
170 debug("<invalid>\n");
178 int ofnode_read_size(ofnode node, const char *propname)
182 if (!ofnode_read_prop(node, propname, &len))
188 ofnode ofnode_find_subnode(ofnode node, const char *subnode_name)
192 assert(ofnode_valid(node));
193 debug("%s: %s: ", __func__, subnode_name);
195 if (ofnode_is_np(node)) {
196 const struct device_node *np = ofnode_to_np(node);
198 for (np = np->child; np; np = np->sibling) {
199 if (!strcmp(subnode_name, np->name))
202 subnode = np_to_ofnode(np);
204 int ooffset = fdt_subnode_offset(gd->fdt_blob,
205 ofnode_to_offset(node), subnode_name);
206 subnode = offset_to_ofnode(ooffset);
208 debug("%s\n", ofnode_valid(subnode) ?
209 ofnode_get_name(subnode) : "<none>");
214 int ofnode_read_u32_array(ofnode node, const char *propname,
215 u32 *out_values, size_t sz)
217 assert(ofnode_valid(node));
218 debug("%s: %s: ", __func__, propname);
220 if (ofnode_is_np(node)) {
221 return of_read_u32_array(ofnode_to_np(node), propname,
224 return fdtdec_get_int_array(gd->fdt_blob,
225 ofnode_to_offset(node), propname,
230 #if !CONFIG_IS_ENABLED(DM_INLINE_OFNODE)
231 bool ofnode_is_enabled(ofnode node)
233 if (ofnode_is_np(node)) {
234 return of_device_is_available(ofnode_to_np(node));
236 return fdtdec_get_is_enabled(gd->fdt_blob,
237 ofnode_to_offset(node));
241 ofnode ofnode_first_subnode(ofnode node)
243 assert(ofnode_valid(node));
244 if (ofnode_is_np(node))
245 return np_to_ofnode(node.np->child);
247 return offset_to_ofnode(
248 fdt_first_subnode(gd->fdt_blob, ofnode_to_offset(node)));
251 ofnode ofnode_next_subnode(ofnode node)
253 assert(ofnode_valid(node));
254 if (ofnode_is_np(node))
255 return np_to_ofnode(node.np->sibling);
257 return offset_to_ofnode(
258 fdt_next_subnode(gd->fdt_blob, ofnode_to_offset(node)));
260 #endif /* !DM_INLINE_OFNODE */
262 ofnode ofnode_get_parent(ofnode node)
266 assert(ofnode_valid(node));
267 if (ofnode_is_np(node))
268 parent = np_to_ofnode(of_get_parent(ofnode_to_np(node)));
270 parent.of_offset = fdt_parent_offset(gd->fdt_blob,
271 ofnode_to_offset(node));
276 const char *ofnode_get_name(ofnode node)
278 if (!ofnode_valid(node)) {
279 debug("%s node not valid\n", __func__);
283 if (ofnode_is_np(node))
284 return strrchr(node.np->full_name, '/') + 1;
286 return fdt_get_name(gd->fdt_blob, ofnode_to_offset(node), NULL);
289 ofnode ofnode_get_by_phandle(uint phandle)
293 if (of_live_active())
294 node = np_to_ofnode(of_find_node_by_phandle(phandle));
296 node.of_offset = fdt_node_offset_by_phandle(gd->fdt_blob,
302 fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
306 if (ofnode_is_np(node)) {
307 const __be32 *prop_val;
311 prop_val = of_get_address(ofnode_to_np(node), index, &size64,
314 return FDT_ADDR_T_NONE;
318 ns = of_n_size_cells(ofnode_to_np(node));
320 if (IS_ENABLED(CONFIG_OF_TRANSLATE) &&
321 (ns > 0 || gd_size_cells_0())) {
322 return of_translate_address(ofnode_to_np(node), prop_val);
324 na = of_n_addr_cells(ofnode_to_np(node));
325 return of_read_number(prop_val, na);
328 na = ofnode_read_simple_addr_cells(ofnode_get_parent(node));
329 ns = ofnode_read_simple_size_cells(ofnode_get_parent(node));
330 return fdtdec_get_addr_size_fixed(gd->fdt_blob,
331 ofnode_to_offset(node), "reg",
332 index, na, ns, size, true);
335 return FDT_ADDR_T_NONE;
338 fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
342 return ofnode_get_addr_size_index(node, index, &size);
345 fdt_addr_t ofnode_get_addr(ofnode node)
347 return ofnode_get_addr_index(node, 0);
350 int ofnode_stringlist_search(ofnode node, const char *property,
353 if (ofnode_is_np(node)) {
354 return of_property_match_string(ofnode_to_np(node),
359 ret = fdt_stringlist_search(gd->fdt_blob,
360 ofnode_to_offset(node), property,
362 if (ret == -FDT_ERR_NOTFOUND)
371 int ofnode_read_string_index(ofnode node, const char *property, int index,
374 if (ofnode_is_np(node)) {
375 return of_property_read_string_index(ofnode_to_np(node),
376 property, index, outp);
380 *outp = fdt_stringlist_get(gd->fdt_blob, ofnode_to_offset(node),
381 property, index, &len);
388 int ofnode_read_string_count(ofnode node, const char *property)
390 if (ofnode_is_np(node)) {
391 return of_property_count_strings(ofnode_to_np(node), property);
393 return fdt_stringlist_count(gd->fdt_blob,
394 ofnode_to_offset(node), property);
398 static void ofnode_from_fdtdec_phandle_args(struct fdtdec_phandle_args *in,
399 struct ofnode_phandle_args *out)
401 assert(OF_MAX_PHANDLE_ARGS == MAX_PHANDLE_ARGS);
402 out->node = offset_to_ofnode(in->node);
403 out->args_count = in->args_count;
404 memcpy(out->args, in->args, sizeof(out->args));
407 static void ofnode_from_of_phandle_args(struct of_phandle_args *in,
408 struct ofnode_phandle_args *out)
410 assert(OF_MAX_PHANDLE_ARGS == MAX_PHANDLE_ARGS);
411 out->node = np_to_ofnode(in->np);
412 out->args_count = in->args_count;
413 memcpy(out->args, in->args, sizeof(out->args));
416 int ofnode_parse_phandle_with_args(ofnode node, const char *list_name,
417 const char *cells_name, int cell_count,
419 struct ofnode_phandle_args *out_args)
421 if (ofnode_is_np(node)) {
422 struct of_phandle_args args;
425 ret = of_parse_phandle_with_args(ofnode_to_np(node),
426 list_name, cells_name,
431 ofnode_from_of_phandle_args(&args, out_args);
433 struct fdtdec_phandle_args args;
436 ret = fdtdec_parse_phandle_with_args(gd->fdt_blob,
437 ofnode_to_offset(node),
438 list_name, cells_name,
439 cell_count, index, &args);
442 ofnode_from_fdtdec_phandle_args(&args, out_args);
448 int ofnode_count_phandle_with_args(ofnode node, const char *list_name,
449 const char *cells_name, int cell_count)
451 if (ofnode_is_np(node))
452 return of_count_phandle_with_args(ofnode_to_np(node),
453 list_name, cells_name, cell_count);
455 return fdtdec_parse_phandle_with_args(gd->fdt_blob,
456 ofnode_to_offset(node), list_name, cells_name,
457 cell_count, -1, NULL);
460 ofnode ofnode_path(const char *path)
462 if (of_live_active())
463 return np_to_ofnode(of_find_node_by_path(path));
465 return offset_to_ofnode(fdt_path_offset(gd->fdt_blob, path));
468 const void *ofnode_read_chosen_prop(const char *propname, int *sizep)
472 chosen_node = ofnode_path("/chosen");
474 return ofnode_read_prop(chosen_node, propname, sizep);
477 const char *ofnode_read_chosen_string(const char *propname)
479 return ofnode_read_chosen_prop(propname, NULL);
482 ofnode ofnode_get_chosen_node(const char *name)
486 prop = ofnode_read_chosen_prop(name, NULL);
488 return ofnode_null();
490 return ofnode_path(prop);
493 const void *ofnode_read_aliases_prop(const char *propname, int *sizep)
497 node = ofnode_path("/aliases");
499 return ofnode_read_prop(node, propname, sizep);
502 ofnode ofnode_get_aliases_node(const char *name)
506 prop = ofnode_read_aliases_prop(name, NULL);
508 return ofnode_null();
510 debug("%s: node_path: %s\n", __func__, prop);
512 return ofnode_path(prop);
515 int ofnode_get_child_count(ofnode parent)
520 ofnode_for_each_subnode(child, parent)
526 static int decode_timing_property(ofnode node, const char *name,
527 struct timing_entry *result)
531 length = ofnode_read_size(node, name);
533 debug("%s: could not find property %s\n",
534 ofnode_get_name(node), name);
538 if (length == sizeof(u32)) {
539 result->typ = ofnode_read_u32_default(node, name, 0);
540 result->min = result->typ;
541 result->max = result->typ;
543 ret = ofnode_read_u32_array(node, name, &result->min, 3);
549 int ofnode_decode_display_timing(ofnode parent, int index,
550 struct display_timing *dt)
553 ofnode timings, node;
557 timings = ofnode_find_subnode(parent, "display-timings");
558 if (!ofnode_valid(timings))
562 ofnode_for_each_subnode(node, timings) {
567 if (!ofnode_valid(node))
570 memset(dt, 0, sizeof(*dt));
572 ret |= decode_timing_property(node, "hback-porch", &dt->hback_porch);
573 ret |= decode_timing_property(node, "hfront-porch", &dt->hfront_porch);
574 ret |= decode_timing_property(node, "hactive", &dt->hactive);
575 ret |= decode_timing_property(node, "hsync-len", &dt->hsync_len);
576 ret |= decode_timing_property(node, "vback-porch", &dt->vback_porch);
577 ret |= decode_timing_property(node, "vfront-porch", &dt->vfront_porch);
578 ret |= decode_timing_property(node, "vactive", &dt->vactive);
579 ret |= decode_timing_property(node, "vsync-len", &dt->vsync_len);
580 ret |= decode_timing_property(node, "clock-frequency", &dt->pixelclock);
583 val = ofnode_read_u32_default(node, "vsync-active", -1);
585 dt->flags |= val ? DISPLAY_FLAGS_VSYNC_HIGH :
586 DISPLAY_FLAGS_VSYNC_LOW;
588 val = ofnode_read_u32_default(node, "hsync-active", -1);
590 dt->flags |= val ? DISPLAY_FLAGS_HSYNC_HIGH :
591 DISPLAY_FLAGS_HSYNC_LOW;
593 val = ofnode_read_u32_default(node, "de-active", -1);
595 dt->flags |= val ? DISPLAY_FLAGS_DE_HIGH :
596 DISPLAY_FLAGS_DE_LOW;
598 val = ofnode_read_u32_default(node, "pixelclk-active", -1);
600 dt->flags |= val ? DISPLAY_FLAGS_PIXDATA_POSEDGE :
601 DISPLAY_FLAGS_PIXDATA_NEGEDGE;
604 if (ofnode_read_bool(node, "interlaced"))
605 dt->flags |= DISPLAY_FLAGS_INTERLACED;
606 if (ofnode_read_bool(node, "doublescan"))
607 dt->flags |= DISPLAY_FLAGS_DOUBLESCAN;
608 if (ofnode_read_bool(node, "doubleclk"))
609 dt->flags |= DISPLAY_FLAGS_DOUBLECLK;
614 const void *ofnode_get_property(ofnode node, const char *propname, int *lenp)
616 if (ofnode_is_np(node))
617 return of_get_property(ofnode_to_np(node), propname, lenp);
619 return fdt_getprop(gd->fdt_blob, ofnode_to_offset(node),
623 int ofnode_get_first_property(ofnode node, struct ofprop *prop)
627 if (ofnode_is_np(node)) {
628 prop->prop = of_get_first_property(ofnode_to_np(prop->node));
630 return -FDT_ERR_NOTFOUND;
633 fdt_first_property_offset(gd->fdt_blob,
634 ofnode_to_offset(prop->node));
635 if (prop->offset < 0)
642 int ofnode_get_next_property(struct ofprop *prop)
644 if (ofnode_is_np(prop->node)) {
645 prop->prop = of_get_next_property(ofnode_to_np(prop->node),
648 return -FDT_ERR_NOTFOUND;
650 prop->offset = fdt_next_property_offset(gd->fdt_blob,
652 if (prop->offset < 0)
659 const void *ofnode_get_property_by_prop(const struct ofprop *prop,
660 const char **propname, int *lenp)
662 if (ofnode_is_np(prop->node))
663 return of_get_property_by_prop(ofnode_to_np(prop->node),
664 prop->prop, propname, lenp);
666 return fdt_getprop_by_offset(gd->fdt_blob,
671 bool ofnode_is_available(ofnode node)
673 if (ofnode_is_np(node))
674 return of_device_is_available(ofnode_to_np(node));
676 return fdtdec_get_is_enabled(gd->fdt_blob,
677 ofnode_to_offset(node));
680 fdt_addr_t ofnode_get_addr_size(ofnode node, const char *property,
683 if (ofnode_is_np(node)) {
686 const struct device_node *np = ofnode_to_np(node);
687 const __be32 *prop = of_get_property(np, property, &psize);
690 return FDT_ADDR_T_NONE;
691 na = of_n_addr_cells(np);
692 ns = of_n_size_cells(np);
693 *sizep = of_read_number(prop + na, ns);
695 if (CONFIG_IS_ENABLED(OF_TRANSLATE) &&
696 (ns > 0 || gd_size_cells_0())) {
697 return of_translate_address(np, prop);
700 return of_read_number(prop, na);
702 return fdtdec_get_addr_size(gd->fdt_blob,
703 ofnode_to_offset(node), property,
708 const uint8_t *ofnode_read_u8_array_ptr(ofnode node, const char *propname,
711 if (ofnode_is_np(node)) {
712 const struct device_node *np = ofnode_to_np(node);
714 const __be32 *prop = of_get_property(np, propname, &psize);
716 if (!prop || sz != psize)
718 return (uint8_t *)prop;
721 return fdtdec_locate_byte_array(gd->fdt_blob,
722 ofnode_to_offset(node), propname, sz);
726 int ofnode_read_pci_addr(ofnode node, enum fdt_pci_space type,
727 const char *propname, struct fdt_pci_addr *addr)
733 debug("%s: %s: ", __func__, propname);
736 * If we follow the pci bus bindings strictly, we should check
737 * the value of the node's parent node's #address-cells and
738 * #size-cells. They need to be 3 and 2 accordingly. However,
739 * for simplicity we skip the check here.
741 cell = ofnode_get_property(node, propname, &len);
745 if ((len % FDT_PCI_REG_SIZE) == 0) {
746 int num = len / FDT_PCI_REG_SIZE;
749 for (i = 0; i < num; i++) {
750 debug("pci address #%d: %08lx %08lx %08lx\n", i,
751 (ulong)fdt32_to_cpu(cell[0]),
752 (ulong)fdt32_to_cpu(cell[1]),
753 (ulong)fdt32_to_cpu(cell[2]));
754 if ((fdt32_to_cpu(*cell) & type) == type) {
755 addr->phys_hi = fdt32_to_cpu(cell[0]);
756 addr->phys_mid = fdt32_to_cpu(cell[1]);
757 addr->phys_lo = fdt32_to_cpu(cell[2]);
761 cell += (FDT_PCI_ADDR_CELLS +
776 debug("(not found)\n");
780 int ofnode_read_pci_vendev(ofnode node, u16 *vendor, u16 *device)
782 const char *list, *end;
785 list = ofnode_get_property(node, "compatible", &len);
792 if (len >= strlen("pciVVVV,DDDD")) {
793 char *s = strstr(list, "pci");
796 * check if the string is something like pciVVVV,DDDD.RR
797 * or just pciVVVV,DDDD
799 if (s && s[7] == ',' &&
800 (s[12] == '.' || s[12] == 0)) {
802 *vendor = simple_strtol(s, NULL, 16);
805 *device = simple_strtol(s, NULL, 16);
816 int ofnode_read_addr_cells(ofnode node)
818 if (ofnode_is_np(node)) {
819 return of_n_addr_cells(ofnode_to_np(node));
821 int parent = fdt_parent_offset(gd->fdt_blob,
822 ofnode_to_offset(node));
824 return fdt_address_cells(gd->fdt_blob, parent);
828 int ofnode_read_size_cells(ofnode node)
830 if (ofnode_is_np(node)) {
831 return of_n_size_cells(ofnode_to_np(node));
833 int parent = fdt_parent_offset(gd->fdt_blob,
834 ofnode_to_offset(node));
836 return fdt_size_cells(gd->fdt_blob, parent);
840 int ofnode_read_simple_addr_cells(ofnode node)
842 if (ofnode_is_np(node))
843 return of_simple_addr_cells(ofnode_to_np(node));
845 return fdt_address_cells(gd->fdt_blob, ofnode_to_offset(node));
848 int ofnode_read_simple_size_cells(ofnode node)
850 if (ofnode_is_np(node))
851 return of_simple_size_cells(ofnode_to_np(node));
853 return fdt_size_cells(gd->fdt_blob, ofnode_to_offset(node));
856 bool ofnode_pre_reloc(ofnode node)
858 #if defined(CONFIG_SPL_BUILD) || defined(CONFIG_TPL_BUILD)
859 /* for SPL and TPL the remaining nodes after the fdtgrep 1st pass
860 * had property dm-pre-reloc or u-boot,dm-spl/tpl.
861 * They are removed in final dtb (fdtgrep 2nd pass)
865 if (ofnode_read_bool(node, "u-boot,dm-pre-reloc"))
867 if (ofnode_read_bool(node, "u-boot,dm-pre-proper"))
871 * In regular builds individual spl and tpl handling both
872 * count as handled pre-relocation for later second init.
874 if (ofnode_read_bool(node, "u-boot,dm-spl") ||
875 ofnode_read_bool(node, "u-boot,dm-tpl"))
882 int ofnode_read_resource(ofnode node, uint index, struct resource *res)
884 if (ofnode_is_np(node)) {
885 return of_address_to_resource(ofnode_to_np(node), index, res);
887 struct fdt_resource fres;
890 ret = fdt_get_resource(gd->fdt_blob, ofnode_to_offset(node),
891 "reg", index, &fres);
894 memset(res, '\0', sizeof(*res));
895 res->start = fres.start;
902 int ofnode_read_resource_byname(ofnode node, const char *name,
903 struct resource *res)
907 index = ofnode_stringlist_search(node, "reg-names", name);
911 return ofnode_read_resource(node, index, res);
914 u64 ofnode_translate_address(ofnode node, const fdt32_t *in_addr)
916 if (ofnode_is_np(node))
917 return of_translate_address(ofnode_to_np(node), in_addr);
919 return fdt_translate_address(gd->fdt_blob, ofnode_to_offset(node), in_addr);
922 u64 ofnode_translate_dma_address(ofnode node, const fdt32_t *in_addr)
924 if (ofnode_is_np(node))
925 return of_translate_dma_address(ofnode_to_np(node), in_addr);
927 return fdt_translate_dma_address(gd->fdt_blob, ofnode_to_offset(node), in_addr);
930 int ofnode_get_dma_range(ofnode node, phys_addr_t *cpu, dma_addr_t *bus, u64 *size)
932 if (ofnode_is_np(node))
933 return of_get_dma_range(ofnode_to_np(node), cpu, bus, size);
935 return fdt_get_dma_range(gd->fdt_blob, ofnode_to_offset(node),
939 int ofnode_device_is_compatible(ofnode node, const char *compat)
941 if (ofnode_is_np(node))
942 return of_device_is_compatible(ofnode_to_np(node), compat,
945 return !fdt_node_check_compatible(gd->fdt_blob,
946 ofnode_to_offset(node),
950 ofnode ofnode_by_compatible(ofnode from, const char *compat)
952 if (of_live_active()) {
953 return np_to_ofnode(of_find_compatible_node(
954 (struct device_node *)ofnode_to_np(from), NULL,
957 return offset_to_ofnode(fdt_node_offset_by_compatible(
958 gd->fdt_blob, ofnode_to_offset(from), compat));
962 ofnode ofnode_by_prop_value(ofnode from, const char *propname,
963 const void *propval, int proplen)
965 if (of_live_active()) {
966 return np_to_ofnode(of_find_node_by_prop_value(
967 (struct device_node *)ofnode_to_np(from), propname,
970 return offset_to_ofnode(fdt_node_offset_by_prop_value(
971 gd->fdt_blob, ofnode_to_offset(from),
972 propname, propval, proplen));
976 int ofnode_write_prop(ofnode node, const char *propname, int len,
979 const struct device_node *np = ofnode_to_np(node);
981 struct property *pp_last = NULL;
982 struct property *new;
984 if (!of_live_active())
990 for (pp = np->properties; pp; pp = pp->next) {
991 if (strcmp(pp->name, propname) == 0) {
992 /* Property exists -> change value */
993 pp->value = (void *)value;
1003 /* Property does not exist -> append new property */
1004 new = malloc(sizeof(struct property));
1008 new->name = strdup(propname);
1014 new->value = (void *)value;
1018 pp_last->next = new;
1023 int ofnode_write_string(ofnode node, const char *propname, const char *value)
1025 if (!of_live_active())
1028 assert(ofnode_valid(node));
1030 debug("%s: %s = %s", __func__, propname, value);
1032 return ofnode_write_prop(node, propname, strlen(value) + 1, value);
1035 int ofnode_set_enabled(ofnode node, bool value)
1037 if (!of_live_active())
1040 assert(ofnode_valid(node));
1043 return ofnode_write_string(node, "status", "okay");
1045 return ofnode_write_string(node, "status", "disabled");