diff options
Diffstat (limited to 'include/fdtdec.h')
| -rw-r--r-- | include/fdtdec.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h index 6249f22e81..1e198f8c63 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -213,6 +213,29 @@ int fdtdec_find_aliases_for_id(const void *blob, const char *name, enum fdt_compat_id id, int *node_list, int maxcount); /* + * This function is similar to fdtdec_find_aliases_for_id() except that it + * adds to the node_list that is passed in. Any 0 elements are considered + * available for allocation - others are considered already used and are + * skipped. + * + * You can use this by calling fdtdec_find_aliases_for_id() with an + * uninitialised array, then setting the elements that are returned to -1, + * say, then calling this function, perhaps with a different compat id. + * Any elements you get back that are >0 are new nodes added by the call + * to this function. + * + * Note that if you have some nodes with aliases and some without, you are + * sailing close to the wind. The call to fdtdec_find_aliases_for_id() with + * one compat_id may fill in positions for which you have aliases defined + * for another compat_id. When you later call *this* function with the second + * compat_id, the alias positions may already be used. A debug warning may + * be generated in this case, but it is safest to define aliases for all + * nodes when you care about the ordering. + */ +int fdtdec_add_aliases_for_id(const void *blob, const char *name, + enum fdt_compat_id id, int *node_list, int maxcount); + +/* * Get the name for a compatible ID * * @param id Compatible ID to look for |
