diff options
| author | Michael Walle <michael@walle.cc> | 2021-10-15 15:15:17 +0200 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2021-11-09 17:18:23 +0530 |
| commit | b8ec9458a35167ab689b3ebfba169f520e1064c4 (patch) | |
| tree | d7e10831dcf8c70ed074603959be06692c42c983 | |
| parent | c7155d29fb041143e33e0b2d691699e614d84936 (diff) | |
dm: core: add ofnode_for_each_compatible_node()
Add a helper to iterate over all nodes with a given compatible string.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
| -rw-r--r-- | include/dm/ofnode.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 6a714d0c7b..0f680e5aa6 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -1010,6 +1010,30 @@ ofnode ofnode_by_prop_value(ofnode from, const char *propname, node = ofnode_next_subnode(node)) /** + * ofnode_for_each_compatible_node() - iterate over all nodes with a given + * compatible string + * + * @node: child node (ofnode, lvalue) + * @compat: compatible string to match + * + * This is a wrapper around a for loop and is used like so: + * + * ofnode node; + * + * ofnode_for_each_compatible_node(node, parent, compatible) { + * Use node + * ... + * } + * + * Note that this is implemented as a macro and @node is used as + * iterator in the loop. + */ +#define ofnode_for_each_compatible_node(node, compat) \ + for (node = ofnode_by_compatible(ofnode_null(), compat); \ + ofnode_valid(node); \ + node = ofnode_by_compatible(node, compat)) + +/** * ofnode_get_child_count() - get the child count of a ofnode * * @node: valid node to get its child count |