diff --git a/[refs] b/[refs]
index ca1da4aa2dc4..d2a35dfc239b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d4ce3a5ea16f82d73922b7bfb8a177e371493ffb
+refs/heads/master: c4c18a9dc16095fc8ada423f1e6ff3830d56d37c
diff --git a/trunk/drivers/net/wireless/rt2x00/rt2800.h b/trunk/drivers/net/wireless/rt2x00/rt2800.h
index f02ea129680e..4930d29e1377 100644
--- a/trunk/drivers/net/wireless/rt2x00/rt2800.h
+++ b/trunk/drivers/net/wireless/rt2x00/rt2800.h
@@ -710,8 +710,14 @@
 
 /*
  * TBTT_SYNC_CFG:
+ * BCN_AIFSN: Beacon AIFSN after TBTT interrupt in slots
+ * BCN_CWMIN: Beacon CWMin after TBTT interrupt in slots
  */
 #define TBTT_SYNC_CFG			0x1118
+#define TBTT_SYNC_CFG_TBTT_ADJUST	FIELD32(0x000000ff)
+#define TBTT_SYNC_CFG_BCN_EXP_WIN	FIELD32(0x0000ff00)
+#define TBTT_SYNC_CFG_BCN_AIFSN		FIELD32(0x000f0000)
+#define TBTT_SYNC_CFG_BCN_CWMIN		FIELD32(0x00f00000)
 
 /*
  * TSF_TIMER_DW0: Local lsb TSF timer, read-only