+/**
+ * device_find - locate device on a bus by name.
+ * @name: name of the device.
+ * @bus: bus to scan for the device.
+ *
+ * Call kset_find_obj() to iterate over list of devices on
+ * a bus to find device by name. Return device if found.
+ *
+ * Note that kset_find_obj increments device's reference count.
+ */