diff options
| author | Armin Wolf <W_Armin@gmx.de> | 2024-10-26 21:38:03 +0200 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2024-10-29 15:44:23 +0200 |
| commit | e001341a984e709e377b275123aecb5a763eaef9 (patch) | |
| tree | 4039e50c55bc48196604ae278086a6e2a5ace279 /include/linux/wmi.h | |
| parent | c382429b587ac49bd179d768f13e7fa5e7ed1787 (diff) | |
platform/x86: wmi: Introduce to_wmi_driver()
Introduce to_wmi_driver() as a replacement for dev_to_wdrv()
so WMI drivers can use this support macro instead of having
to duplicate its functionality.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20241026193803.8802-3-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'include/linux/wmi.h')
| -rw-r--r-- | include/linux/wmi.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/wmi.h b/include/linux/wmi.h index fca5fd43c707..10751c8e5e6a 100644 --- a/include/linux/wmi.h +++ b/include/linux/wmi.h @@ -73,6 +73,14 @@ struct wmi_driver { void (*notify)(struct wmi_device *device, union acpi_object *data); }; +/** + * to_wmi_driver() - Helper macro to cast a driver to a wmi_driver + * @drv: driver struct + * + * Cast a struct device_driver to a struct wmi_driver. + */ +#define to_wmi_driver(drv) container_of_const(drv, struct wmi_driver, driver) + extern int __must_check __wmi_driver_register(struct wmi_driver *driver, struct module *owner); extern void wmi_driver_unregister(struct wmi_driver *driver); |