diff options
Diffstat (limited to 'include/dm/ofnode.h')
| -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 de2769ed537..79374b8f91a 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -628,4 +628,28 @@ int ofnode_read_resource(ofnode node, uint index, struct resource *res); int ofnode_read_resource_byname(ofnode node, const char *name, struct resource *res); +/** + * ofnode_for_each_subnode() - iterate over all subnodes of a parent + * + * @node: child node (ofnode, lvalue) + * @parent: parent node (ofnode) + * + * This is a wrapper around a for loop and is used like so: + * + * ofnode node; + * + * ofnode_for_each_subnode(node, parent) { + * Use node + * ... + * } + * + * Note that this is implemented as a macro and @node is used as + * iterator in the loop. The parent variable can be a constant or even a + * literal. + */ +#define ofnode_for_each_subnode(node, parent) \ + for (node = ofnode_first_subnode(parent); \ + ofnode_valid(node); \ + node = ofnode_next_subnode(node)) + #endif |