diff --git a/drivers/net/wireless/ath/ath.h b/drivers/net/wireless/ath/ath.h
index 38ca68e..e0341fe 100644
--- a/drivers/net/wireless/ath/ath.h
+++ b/drivers/net/wireless/ath/ath.h
@@ -45,6 +45,15 @@
         void (*write)(void *, u32 val, u32 reg_offset);
 };
 
+struct ath_common;
+
+struct ath_bus_ops {
+	void		(*read_cachesize)(struct ath_common *common, int *csz);
+	void		(*cleanup)(struct ath_common *common);
+	bool		(*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
+	void		(*bt_coex_prep)(struct ath_common *common);
+};
+
 struct ath_common {
 	void *ah;
 	struct ieee80211_hw *hw;
@@ -61,6 +70,7 @@
 
 	struct ath_regulatory regulatory;
 	const struct ath_ops *ops;
+	const struct ath_bus_ops *bus_ops;
 };
 
 struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,