.. SPDX-License-Identifier: GPL-2.0-only .. _auxiliary_bus: ============= Auxiliary Bus ============= .. kernel-doc:: drivers/base/auxiliary.c :doc: PURPOSE When Should the Auxiliary Bus Be Used ===================================== .. kernel-doc:: drivers/base/auxiliary.c :doc: USAGE Auxiliary Device Creation ========================= .. kernel-doc:: include/linux/auxiliary_bus.h :identifiers: auxiliary_device .. kernel-doc:: drivers/base/auxiliary.c :identifiers: auxiliary_device_init __auxiliary_device_add Auxiliary Device Memory Model and Lifespan ------------------------------------------ .. kernel-doc:: include/linux/auxiliary_bus.h :doc: DEVICE_LIFESPAN Auxiliary Drivers ================= .. kernel-doc:: include/linux/auxiliary_bus.h :identifiers: auxiliary_driver module_auxiliary_driver .. kernel-doc:: drivers/base/auxiliary.c :identifiers: __auxiliary_driver_register auxiliary_driver_unregister Example Usage ============= .. kernel-doc:: drivers/base/auxiliary.c :doc: EXAMPLE