diff --git a/[refs] b/[refs]
index 29a60c6a9d43..57bdcc12cebb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2eab80ac0c96fb98267afeb12a4899801564c75b
+refs/heads/master: 582982e6991d6718ddadf8751072b50a850dde48
diff --git a/trunk/include/linux/libata.h b/trunk/include/linux/libata.h
index 9080789913f7..6013211ac7de 100644
--- a/trunk/include/linux/libata.h
+++ b/trunk/include/linux/libata.h
@@ -318,7 +318,6 @@ enum {
 };
 
 enum hsm_task_states {
-	HSM_ST_UNKNOWN,		/* state unknown */
 	HSM_ST_IDLE,		/* no command on going */
 	HSM_ST,			/* (waiting the device to) transfer data */
 	HSM_ST_LAST,		/* (waiting the device to) complete command */