diff options
Diffstat (limited to 'lib/fdtdec.c')
| -rw-r--r-- | lib/fdtdec.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 5239e7947..2149bd706 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -153,10 +153,18 @@ int fdtdec_next_alias(const void *blob, const char *name, return node; } -/* TODO: Can we tighten this code up a little? */ int fdtdec_find_aliases_for_id(const void *blob, const char *name, enum fdt_compat_id id, int *node_list, int maxcount) { + memset(node_list, '\0', sizeof(*node_list) * maxcount); + + return fdtdec_add_aliases_for_id(blob, name, id, node_list, maxcount); +} + +/* TODO: Can we tighten this code up a little? */ +int fdtdec_add_aliases_for_id(const void *blob, const char *name, + enum fdt_compat_id id, int *node_list, int maxcount) +{ int name_len = strlen(name); int nodes[maxcount]; int num_found = 0; @@ -185,8 +193,6 @@ int fdtdec_find_aliases_for_id(const void *blob, const char *name, __func__, name); /* Now find all the aliases */ - memset(node_list, '\0', sizeof(*node_list) * maxcount); - for (offset = fdt_first_property_offset(blob, alias_node); offset > 0; offset = fdt_next_property_offset(blob, offset)) { @@ -233,11 +239,19 @@ int fdtdec_find_aliases_for_id(const void *blob, const char *name, * it as done. */ if (fdtdec_get_is_enabled(blob, node)) { + if (node_list[number]) { + debug("%s: warning: alias '%s' requires that " + "a node be placed in the list in a " + "position which is already filled by " + "node '%s'\n", __func__, path, + fdt_get_name(blob, node, NULL)); + continue; + } node_list[number] = node; if (number >= num_found) num_found = number + 1; } - nodes[j] = 0; + nodes[found] = 0; } /* Add any nodes not mentioned by an alias */ |