ath9k: rename ath9k_hw_rfdetach() to ath9k_hw_rf_free()

This makes it clear what this does.
Signed-off-by: NLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/hw.c

@@ -1229,7 +1229,7 @@ void ath9k_hw_detach(struct ath_hw *ah)
 	if (!AR_SREV_9100(ah))
 		ath9k_hw_ani_detach(ah);
 
-	ath9k_hw_rfdetach(ah);
+	ath9k_hw_rf_free(ah);
 	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 	kfree(ah);
 }

drivers/net/wireless/ath/ath9k/hw.h

@@ -545,7 +545,7 @@ struct ath_hw {
 const char *ath9k_hw_probe(u16 vendorid, u16 devid);
 void ath9k_hw_detach(struct ath_hw *ah);
 int ath9k_hw_init(struct ath_hw *ah);
-void ath9k_hw_rfdetach(struct ath_hw *ah);
+void ath9k_hw_rf_free(struct ath_hw *ah);
 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 		   bool bChannelChange);
 void ath9k_hw_fill_cap_info(struct ath_hw *ah);

drivers/net/wireless/ath/ath9k/phy.c

@@ -264,7 +264,7 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 }
 
 void
-ath9k_hw_rfdetach(struct ath_hw *ah)
+ath9k_hw_rf_free(struct ath_hw *ah)
 {
 #define ATH_FREE_BANK(bank) do { \
 		kfree(bank); \