diff options
| author | Simon Glass <sjg@chromium.org> | 2023-09-26 08:14:40 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-10-06 14:38:12 -0400 |
| commit | e0c3c21d8ba1a0abbb7effee6c5a952f3e65a03d (patch) | |
| tree | 305d7d79cd9b6776bcccfd3e4911784bff9fa60f /include | |
| parent | 9bf78a5add522dfc3f192eb97fb38d829174d6c7 (diff) | |
dm: core: Add a function to create an empty tree
Provide a function to create a new, empty tree.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/dm/ofnode.h | 9 | ||||
| -rw-r--r-- | include/of_live.h | 8 |
2 files changed, 17 insertions, 0 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 32917f66155..0b96ab34ede 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -128,6 +128,15 @@ static inline ofnode noffset_to_ofnode(ofnode other_node, int of_offset) #endif /* OFNODE_MULTI_TREE */ /** + * oftree_new() - Create a new, empty tree + * + * @treep: Returns a pointer to the tree, on success + * Returns: 0 on success, -ENOMEM if out of memory, -E2BIG if !OF_LIVE and + * there are too many (flattrees) already + */ +int oftree_new(oftree *treep); + +/** * ofnode_to_np() - convert an ofnode to a live DT node pointer * * This cannot be called if the reference contains an offset. diff --git a/include/of_live.h b/include/of_live.h index 05e86ac06b1..81cb9bd13e2 100644 --- a/include/of_live.h +++ b/include/of_live.h @@ -46,4 +46,12 @@ int unflatten_device_tree(const void *blob, struct device_node **mynodes); */ void of_live_free(struct device_node *root); +/** + * of_live_create_empty() - Create a new, empty tree + * + * @rootp: Returns the root node of the created tree + * Return: 0 if OK, -ENOMEM if out of memory + */ +int of_live_create_empty(struct device_node **rootp); + #endif |