diff options
Diffstat (limited to 'include/dm/uclass.h')
| -rw-r--r-- | include/dm/uclass.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/dm/uclass.h b/include/dm/uclass.h index fd368b6bd0..84f05bcfce 100644 --- a/include/dm/uclass.h +++ b/include/dm/uclass.h @@ -38,6 +38,7 @@ struct uclass { struct list_head sibling_node; }; +struct driver; struct udevice; /* Members of this uclass sequence themselves with aliases */ @@ -194,6 +195,23 @@ int uclass_get_device_by_phandle(enum uclass_id id, struct udevice *parent, const char *name, struct udevice **devp); /** + * uclass_get_device_by_driver() - Get a uclass device for a driver + * + * This searches the devices in the uclass for one that uses the given + * driver. Use DM_GET_DRIVER(name) for the @drv argument, where 'name' is + * the driver name - as used in U_BOOT_DRIVER(name). + * + * The device is probed to activate it ready for use. + * + * @id: ID to look up + * @drv: Driver to look for + * @devp: Returns pointer to the first device with that driver + * @return 0 if OK, -ve on error + */ +int uclass_get_device_by_driver(enum uclass_id id, const struct driver *drv, + struct udevice **devp); + +/** * uclass_first_device() - Get the first device in a uclass * * The device returned is probed if necessary, and ready for use |