diff options
| author | Simon Glass | 2022-09-06 20:27:02 -0600 |
|---|---|---|
| committer | Tom Rini | 2022-09-29 16:07:58 -0400 |
| commit | ffe90392497898ccd8000e695901853e192a9007 (patch) | |
| tree | 0331cda0c368be1cf676f0ea4e8c99e28125b8d0 /include/dm/of_access.h | |
| parent | 5ecba3ba40cebd5e4340f6fd422683bde773689c (diff) | |
dm: core: Allow adding ofnode subnodes
Add this feature to the ofnode interface, supporting both livetree and
flattree. If the node exists it is returned, along with a -EEXIST error.
Update the functions it calls to handle this too.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/dm/of_access.h')
| -rw-r--r-- | include/dm/of_access.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/dm/of_access.h b/include/dm/of_access.h index d8c6d116433..dd70b44344d 100644 --- a/include/dm/of_access.h +++ b/include/dm/of_access.h @@ -565,4 +565,19 @@ struct device_node *of_get_stdout(void); int of_write_prop(struct device_node *np, const char *propname, int len, const void *value); +/** + * of_add_subnode() - add a new subnode to a node + * + * @node: parent node to add to + * @name: name of subnode + * @len: length of name (so the caller does not need to nul-terminate a + * partial string), or -1 for strlen(@name) + * @subnodep: returns pointer to new subnode (valid if the function returns 0 + * or -EEXIST) + * Returns 0 if OK, -EEXIST if already exists, -ENOMEM if out of memory, other + * -ve on other error + */ +int of_add_subnode(struct device_node *node, const char *name, int len, + struct device_node **subnodep); + #endif |