diff options
Diffstat (limited to 'drivers/base/property.c')
| -rw-r--r-- | drivers/base/property.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/base/property.c b/drivers/base/property.c index ac3590b1f93d..692007e5a94b 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1171,6 +1171,26 @@ fwnode_graph_get_next_endpoint(struct fwnode_handle *fwnode, EXPORT_SYMBOL_GPL(fwnode_graph_get_next_endpoint); /** + * fwnode_graph_get_port_parent - Return the device fwnode of a port endpoint + * @endpoint: Endpoint firmware node of the port + * + * Return: the firmware node of the device the @endpoint belongs to. + */ +struct fwnode_handle * +fwnode_graph_get_port_parent(struct fwnode_handle *endpoint) +{ + struct fwnode_handle *port, *parent; + + port = fwnode_get_parent(endpoint); + parent = fwnode_call_ptr_op(port, graph_get_port_parent); + + fwnode_handle_put(port); + + return parent; +} +EXPORT_SYMBOL_GPL(fwnode_graph_get_port_parent); + +/** * fwnode_graph_get_remote_port_parent - Return fwnode of a remote device * @fwnode: Endpoint firmware node pointing to the remote endpoint * @@ -1179,12 +1199,12 @@ EXPORT_SYMBOL_GPL(fwnode_graph_get_next_endpoint); struct fwnode_handle * fwnode_graph_get_remote_port_parent(struct fwnode_handle *fwnode) { - struct fwnode_handle *port, *parent; + struct fwnode_handle *endpoint, *parent; - port = fwnode_graph_get_remote_port(fwnode); - parent = fwnode_call_ptr_op(port, graph_get_port_parent); + endpoint = fwnode_graph_get_remote_endpoint(fwnode); + parent = fwnode_graph_get_port_parent(endpoint); - fwnode_handle_put(port); + fwnode_handle_put(endpoint); return parent; } |