Staging: hv: vmbus: Introduce functions for setting and getting driver data

Introduce vmbus specific wrapper functions to set/get driver specific data.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/hyperv.h

@@ -843,6 +843,15 @@ static inline struct hv_driver *drv_to_hv_drv(struct device_driver *d)
 	return container_of(d, struct hv_driver, driver);
 }
 
+static inline void hv_set_drvdata(struct hv_device *dev, void *data)
+{
+	dev_set_drvdata(&dev->device, data);
+}
+
+static inline void *hv_get_drvdata(struct hv_device *dev)
+{
+	return dev_get_drvdata(&dev->device);
+}
 
 /* Vmbus interface */
 #define vmbus_driver_register(driver)	\