diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-03-13 15:53:03 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-03-13 18:46:38 +0300 |
| commit | 97e6fabee5dcb2d86d4ff45f20606b8a73181f74 (patch) | |
| tree | 7cfb16f49226164088208372ed1e21abcfc0e4d4 | |
| parent | 6b3f2475a036f58c7e20742b696d723f8e39ad22 (diff) | |
| download | linux-97e6fabee5dcb2d86d4ff45f20606b8a73181f74.tar.xz | |
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: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/5079467.GXAFRqVoOG@rafael.j.wysocki
| -rw-r--r-- | drivers/base/auxiliary.c | 10 | ||||
| -rw-r--r-- | include/linux/auxiliary_bus.h | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c index 9fd3820d1f8a..11949d6bcda4 100644 --- a/drivers/base/auxiliary.c +++ b/drivers/base/auxiliary.c @@ -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)); diff --git a/include/linux/auxiliary_bus.h b/include/linux/auxiliary_bus.h index 4086afd0cc6b..bc09b55e3682 100644 --- a/include/linux/auxiliary_bus.h +++ b/include/linux/auxiliary_bus.h @@ -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 |