Commit 97e6fabe authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

driver core: auxiliary bus: Introduce dev_is_auxiliary() 



Introduce dev_is_auxiliary() in analogy with dev_is_platform() to
facilitate subsequent changes.

Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: default avatarDanilo Krummrich <dakr@kernel.org>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/5079467.GXAFRqVoOG@rafael.j.wysocki
parent 6b3f2475

drivers/base/auxiliary.c

+10 −0
Original line number Diff line number Diff line
@@ -502,6 +502,16 @@ struct auxiliary_device *__devm_auxiliary_device_create(struct device *dev, 
}

EXPORT_SYMBOL_GPL(__devm_auxiliary_device_create);



/**

 * dev_is_auxiliary - check if the device is an auxiliary one

 * @dev: device to check

 */

bool dev_is_auxiliary(struct device *dev)

{

	return dev->bus == &auxiliary_bus_type;

}

EXPORT_SYMBOL_GPL(dev_is_auxiliary);



void __init auxiliary_bus_init(void)

{

	WARN_ON(bus_register(&auxiliary_bus_type));

include/linux/auxiliary_bus.h

+2 −0
Original line number Diff line number Diff line
@@ -271,6 +271,8 @@ struct auxiliary_device *__devm_auxiliary_device_create(struct device *dev, 
	__devm_auxiliary_device_create(dev, KBUILD_MODNAME, devname,  \

				       platform_data, 0)



bool dev_is_auxiliary(struct device *dev);



/**

 * module_auxiliary_driver() - Helper macro for registering an auxiliary driver

 * @__auxiliary_driver: auxiliary driver struct