atheros: move bus ops to ath_common

This is the last part to make ath9k hw code core driver agnostic.
I believe ath9k_htc can now use use the hw code unmodified.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 095973e..33c9e81 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -22,25 +22,28 @@
 #include "ath9k.h"
 
 /* return bus cachesize in 4B word units */
-static void ath_ahb_read_cachesize(struct ath_softc *sc, int *csz)
+static void ath_ahb_read_cachesize(struct ath_common *common, int *csz)
 {
 	*csz = L1_CACHE_BYTES >> 2;
 }
 
-static void ath_ahb_cleanup(struct ath_softc *sc)
+static void ath_ahb_cleanup(struct ath_common *common)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
+	struct ath_softc *sc = ah->ah_sc;
 	iounmap(sc->mem);
 }
 
-static bool ath_ahb_eeprom_read(struct ath_hw *ah, u32 off, u16 *data)
+static bool ath_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 {
+	struct ath_hw *ah = (struct ath_hw *) common->ah;
 	struct ath_softc *sc = ah->ah_sc;
 	struct platform_device *pdev = to_platform_device(sc->dev);
 	struct ath9k_platform_data *pdata;
 
 	pdata = (struct ath9k_platform_data *) pdev->dev.platform_data;
 	if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
-		ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+		ath_print(common, ATH_DBG_FATAL,
 			  "%s: flash read failed, offset %08x "
 			  "is out of range\n",
 			  __func__, off);
@@ -117,10 +120,9 @@
 	sc->hw = hw;
 	sc->dev = &pdev->dev;
 	sc->mem = mem;
-	sc->bus_ops = &ath_ahb_bus_ops;
 	sc->irq = irq;
 
-	ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0);
+	ret = ath_init_device(AR5416_AR9100_DEVID, sc, 0x0, &ath_ahb_bus_ops);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to initialize device\n");
 		goto err_free_hw;