diff --git a/[refs] b/[refs]
index 783c8044770d..ab660343f8a6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fcb9392ff7ccb010818f3609420fd5416f6ca22e
+refs/heads/master: 50f56316aed044e42c1bcd7572926e80aac9af46
diff --git a/trunk/drivers/net/wireless/ath/ath.h b/trunk/drivers/net/wireless/ath/ath.h
index 1fbf6b1f9a7e..d32f2828b098 100644
--- a/trunk/drivers/net/wireless/ath/ath.h
+++ b/trunk/drivers/net/wireless/ath/ath.h
@@ -71,9 +71,21 @@ struct ath_regulatory {
 	struct reg_dmn_pair_mapping *regpair;
 };
 
+/**
+ * struct ath_ops - Register read/write operations
+ *
+ * @read: Register read
+ * @write: Register write
+ * @enable_write_buffer: Enable multiple register writes
+ * @disable_write_buffer: Disable multiple register writes
+ * @write_flush: Flush buffered register writes
+ */
 struct ath_ops {
 	unsigned int (*read)(void *, u32 reg_offset);
-        void (*write)(void *, u32 val, u32 reg_offset);
+	void (*write)(void *, u32 val, u32 reg_offset);
+	void (*enable_write_buffer)(void *);
+	void (*disable_write_buffer)(void *);
+	void (*write_flush) (void *);
 };
 
 struct ath_common;