diff options
Diffstat (limited to 'include/linux/fwnode.h')
| -rw-r--r-- | include/linux/fwnode.h | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 766ff9bb5876..8feeb94b8acc 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -50,13 +50,15 @@ struct fwnode_reference_args { * struct fwnode_operations - Operations for fwnode interface * @get: Get a reference to an fwnode. * @put: Put a reference to an fwnode. + * @device_is_available: Return true if the device is available. * @device_get_match_data: Return the device driver match data. * @property_present: Return true if a property is present. - * @property_read_integer_array: Read an array of integer properties. Return - * zero on success, a negative error code - * otherwise. + * @property_read_int_array: Read an array of integer properties. Return zero on + * success, a negative error code otherwise. * @property_read_string_array: Read an array of string properties. Return zero * on success, a negative error code otherwise. + * @get_name: Return the name of an fwnode. + * @get_name_prefix: Get a prefix for a node (for printing purposes). * @get_parent: Return the parent of an fwnode. * @get_next_child_node: Return the next child node in an iteration. * @get_named_child_node: Return a child node with a given name. @@ -94,15 +96,16 @@ struct fwnode_reference_args { * available suppliers. * * Return 0 if device links have been successfully created to all - * the suppliers this device needs to create device links to or if - * the supplier information is not known. + * the known suppliers of this device or if the supplier + * information is not known. * - * Return -ENODEV if and only if the suppliers needed for probing - * the device are not yet available to create device links to. + * Return -ENODEV if the suppliers needed for probing this device + * have not been registered yet (because device links can only be + * created to devices registered with the driver core). * - * Return -EAGAIN if there are suppliers that need to be linked to - * that are not yet available but none of those suppliers are - * necessary for probing this device. + * Return -EAGAIN if some of the suppliers of this device have not + * been registered yet, but none of those suppliers are necessary + * for probing the device. */ struct fwnode_operations { struct fwnode_handle *(*get)(struct fwnode_handle *fwnode); @@ -120,6 +123,8 @@ struct fwnode_operations { (*property_read_string_array)(const struct fwnode_handle *fwnode_handle, const char *propname, const char **val, size_t nval); + const char *(*get_name)(const struct fwnode_handle *fwnode); + const char *(*get_name_prefix)(const struct fwnode_handle *fwnode); struct fwnode_handle *(*get_parent)(const struct fwnode_handle *fwnode); struct fwnode_handle * (*get_next_child_node)(const struct fwnode_handle *fwnode, |