diff --git a/include/linux/libata.h b/include/linux/libata.h
index e3f32f3189b2..c7b5e661fe59 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -315,11 +315,11 @@ enum {
 
 enum hsm_task_states {
 	HSM_ST_IDLE,		/* no command on going */
+	HSM_ST_FIRST,		/* (waiting the device to)
+				   write CDB or first data block */
 	HSM_ST,			/* (waiting the device to) transfer data */
 	HSM_ST_LAST,		/* (waiting the device to) complete command */
 	HSM_ST_ERR,		/* error */
-	HSM_ST_FIRST,		/* (waiting the device to)
-				   write CDB or first data block */
 };
 
 enum ata_completion_errors {