Staging: hv: Add shutdown() function to struct hv_driver

Add shutdown() function to struct hv_driver.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/vmbus_api.h

@@ -102,6 +102,7 @@ struct hv_driver {
 
 	int (*probe)(struct hv_device *);
 	int (*remove)(struct hv_device *);
+	void (*shutdown)(struct hv_device *);
 
 };