Messages in this thread Patch in this message | | | From | Armin Wolf <> | Subject | [PATCH v2 2/4] platform/x86: wmi: Add to_wmi_device() helper macro | Date | Fri, 3 Nov 2023 19:25:24 +0100 |
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Add a helper macro for WMI drivers to cast a device to the corresponding WMI device. This should replace some boilerplate code.
Signed-off-by: Armin Wolf <W_Armin@gmx.de> --- include/linux/wmi.h | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/include/linux/wmi.h b/include/linux/wmi.h index 207544968268..8a643c39fcce 100644 --- a/include/linux/wmi.h +++ b/include/linux/wmi.h @@ -27,6 +27,14 @@ struct wmi_device { bool setable; };
+/** + * to_wmi_device() - Helper macro to cast a device to a wmi_device + * @device: device struct + * + * Cast a struct device to a struct wmi_device. + */ +#define to_wmi_device(device) container_of(device, struct wmi_device, dev) + extern acpi_status wmidev_evaluate_method(struct wmi_device *wdev, u8 instance, u32 method_id, const struct acpi_buffer *in, -- 2.39.2
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