diff options
Diffstat (limited to 'include/linux/wmi.h')
| -rw-r--r-- | include/linux/wmi.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/wmi.h b/include/linux/wmi.h index 63cca3b58d6d..10751c8e5e6a 100644 --- a/include/linux/wmi.h +++ b/include/linux/wmi.h @@ -16,12 +16,16 @@ * struct wmi_device - WMI device structure * @dev: Device associated with this WMI device * @setable: True for devices implementing the Set Control Method + * @driver_override: Driver name to force a match; do not set directly, + * because core frees it; use driver_set_override() to + * set or clear it. * * This represents WMI devices discovered by the WMI driver core. */ struct wmi_device { struct device dev; bool setable; + const char *driver_override; }; /** @@ -30,7 +34,7 @@ struct wmi_device { * * Cast a struct device to a struct wmi_device. */ -#define to_wmi_device(device) container_of(device, struct wmi_device, dev) +#define to_wmi_device(device) container_of_const(device, struct wmi_device, dev) extern acpi_status wmidev_evaluate_method(struct wmi_device *wdev, u8 instance, u32 method_id, @@ -52,6 +56,7 @@ u8 wmidev_instance_count(struct wmi_device *wdev); * @no_singleton: Driver can be instantiated multiple times * @probe: Callback for device binding * @remove: Callback for device unbinding + * @shutdown: Callback for device shutdown * @notify: Callback for receiving WMI events * * This represents WMI drivers which handle WMI devices. @@ -64,9 +69,18 @@ struct wmi_driver { int (*probe)(struct wmi_device *wdev, const void *context); void (*remove)(struct wmi_device *wdev); + void (*shutdown)(struct wmi_device *wdev); 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); |