diff options
Diffstat (limited to 'drivers/base/property.c')
| -rw-r--r-- | drivers/base/property.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c index 8a53b8f1db66..627ebc9b570d 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -934,6 +934,27 @@ int device_add_properties(struct device *dev, EXPORT_SYMBOL_GPL(device_add_properties); /** + * fwnode_get_next_parent - Iterate to the node's parent + * @fwnode: Firmware whose parent is retrieved + * + * This is like fwnode_get_parent() except that it drops the refcount + * on the passed node, making it suitable for iterating through a + * node's parents. + * + * Returns a node pointer with refcount incremented, use + * fwnode_handle_node() on it when done. + */ +struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode) +{ + struct fwnode_handle *parent = fwnode_get_parent(fwnode); + + fwnode_handle_put(fwnode); + + return parent; +} +EXPORT_SYMBOL_GPL(fwnode_get_next_parent); + +/** * fwnode_get_parent - Return parent firwmare node * @fwnode: Firmware whose parent is retrieved * |