diff --git a/include/linux/libata.h b/include/linux/libata.h
index abd2deb..5f04006 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -568,8 +568,8 @@
 	struct ata_host		*host;
 	struct device 		*dev;
 
-	struct work_struct	port_task;
-	struct work_struct	hotplug_task;
+	struct delayed_work	port_task;
+	struct delayed_work	hotplug_task;
 	struct work_struct	scsi_rescan_task;
 
 	unsigned int		hsm_task_state;