void greybus_remove_hd(struct greybus_host_device *hd)
{
/*
* Tear down all interfaces, modules, and the endo that is associated
* with this host controller before freeing the memory associated with
* the host controller.
*/
gb_interfaces_remove(hd);
gb_endo_remove(hd->endo);
/* Is the SVC still using the partially uninitialized connection ? */
if (hd->initial_svc_connection) {
gb_connection_exit(hd->initial_svc_connection);
gb_connection_destroy(hd->initial_svc_connection);
}
/*
* Make sure there are no leftovers that can potentially corrupt sysfs.
*/
if (WARN_ON(!list_empty(&hd->connections)))
gb_hd_connections_exit(hd);
kref_put_mutex(&hd->kref, free_hd, &hd_mutex);
}
/*
* Tear down a previously set up connection.
*/
void gb_connection_destroy(struct gb_connection *connection)
{
struct ida *id_map;
if (WARN_ON(!connection))
return;
gb_connection_exit(connection);
spin_lock_irq(&gb_connections_lock);
list_del(&connection->bundle_links);
list_del(&connection->hd_links);
spin_unlock_irq(&gb_connections_lock);
if (connection->protocol)
gb_protocol_put(connection->protocol);
connection->protocol = NULL;
id_map = &connection->hd->cport_id_map;
ida_simple_remove(id_map, connection->hd_cport_id);
connection->hd_cport_id = CPORT_ID_BAD;
device_unregister(&connection->dev);
}
