diff --git a/[refs] b/[refs]
index 210425a93750..971224725fff 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b123377935bb62990e426d0386360476890d8e63
+refs/heads/master: a4e26081cb100ff677ce349f1f3291de3b871d96
diff --git a/trunk/drivers/net/wireless/ath/ath9k/reg.h b/trunk/drivers/net/wireless/ath/ath9k/reg.h
index dd9c72623bfc..22d24131088a 100644
--- a/trunk/drivers/net/wireless/ath/ath9k/reg.h
+++ b/trunk/drivers/net/wireless/ath/ath9k/reg.h
@@ -798,6 +798,7 @@
 #define AR_SREV_REVISION_9580_10	4 /* AR9580 1.0 */
 #define AR_SREV_VERSION_9462		0x280
 #define AR_SREV_REVISION_9462_20	2
+#define AR_SREV_VERSION_9550		0x400
 
 #define AR_SREV_5416(_ah) \
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) || \
@@ -905,6 +906,9 @@
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9462) && \
 	((_ah)->hw_version.macRev >= AR_SREV_REVISION_9462_20))
 
+#define AR_SREV_9550(_ah) \
+	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9550))
+
 #define AR_SREV_9580(_ah) \
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9580) && \
 	((_ah)->hw_version.macRev >= AR_SREV_REVISION_9580_10))