diff options
Diffstat (limited to 'include/linux/fwnode.h')
| -rw-r--r-- | include/linux/fwnode.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index d8c6d231d577..6ae05b9ce359 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -66,6 +66,21 @@ struct fwnode_reference_args { * endpoint node. * @graph_get_port_parent: Return the parent node of a port node. * @graph_parse_endpoint: Parse endpoint for port and endpoint id. + * @add_links: Called after the device corresponding to the fwnode is added + * using device_add(). The function is expected to create device + * links to all the suppliers of the device that are available at + * the time this function is called. The function must NOT stop + * at the first failed device link if other unlinked supplier + * devices are present in the system. If some suppliers are not + * yet available, this function will be called again when other + * devices are added to allow creating device links to any newly + * available suppliers. + * + * Return 0 if device links have been successfully created to all + * the suppliers of this device or if the supplier information is + * not known. Return an error if and only if the supplier + * information is known but some of the suppliers are not yet + * available to create device links to. */ struct fwnode_operations { struct fwnode_handle *(*get)(struct fwnode_handle *fwnode); @@ -103,6 +118,8 @@ struct fwnode_operations { (*graph_get_port_parent)(struct fwnode_handle *fwnode); int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); + int (*add_links)(const struct fwnode_handle *fwnode, + struct device *dev); }; #define fwnode_has_op(fwnode, op) \ |