diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index abf952c82c6d..4b5a4925b780 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -730,6 +730,28 @@ struct device_dma_parameters { }; /** + * struct device_connection - Device Connection Descriptor + * @endpoint: The names of the two devices connected together + * @id: Unique identifier for the connection + * @list: List head, private, for internal use only + */ +struct device_connection { + const char *endpoint[2]; + const char *id; + struct list_head list; +}; + +void *device_connection_find_match(struct device *dev, const char *con_id, + void *data, + void *(*match)(struct device_connection *con, + int ep, void *data)); + +struct device *device_connection_find(struct device *dev, const char *con_id); + +void device_connection_add(struct device_connection *con); +void device_connection_remove(struct device_connection *con); + +/** * enum device_link_state - Device link states. * @DL_STATE_NONE: The presence of the drivers is not being tracked. * @DL_STATE_DORMANT: None of the supplier/consumer drivers is present. |