ath9k_hw: rename ath9k_hw_rf_free() to ath9k_hw_rf_free_ext_banks()

This clarifies this is only required for external radios.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -1282,7 +1282,8 @@ void ath9k_hw_detach(struct ath_hw *ah)
 	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 
 free_hw:
-	ath9k_hw_rf_free(ah);
+	if (!AR_SREV_9280_10_OR_LATER(ah))
+		ath9k_hw_rf_free_ext_banks(ah);
 	kfree(ah);
 	ah = NULL;
 }

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

@@ -628,7 +628,6 @@ static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
 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_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

@@ -384,18 +384,20 @@ ath9k_hw_set_rf_regs(struct ath_hw *ah, struct ath9k_channel *chan,
 }
 
 /**
- * ath9k_hw_rf_free - Free memory for analog bank scratch buffers
+ * ath9k_hw_rf_free_ext_banks - Free memory for analog bank scratch buffers
  * @ah: atheros hardware struture
- * For the external AR2133/AR5133 radios.
+ * For the external AR2133/AR5133 radios banks.
  */
 void
-ath9k_hw_rf_free(struct ath_hw *ah)
+ath9k_hw_rf_free_ext_banks(struct ath_hw *ah)
 {
 #define ATH_FREE_BANK(bank) do { \
 		kfree(bank); \
 		bank = NULL; \
 	} while (0);
 
+	BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
+
 	ATH_FREE_BANK(ah->analogBank0Data);
 	ATH_FREE_BANK(ah->analogBank1Data);
 	ATH_FREE_BANK(ah->analogBank2Data);
@@ -405,6 +407,7 @@ ath9k_hw_rf_free(struct ath_hw *ah)
 	ATH_FREE_BANK(ah->analogBank7Data);
 	ATH_FREE_BANK(ah->addac5416_21);
 	ATH_FREE_BANK(ah->bank6Temp);
+
 #undef ATH_FREE_BANK
 }
 

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

@@ -29,6 +29,8 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
 			  u16 modesIndex);
 void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
 				   struct ath9k_channel *chan);
+
+void ath9k_hw_rf_free_ext_banks(struct ath_hw *ah);
 int ath9k_hw_rf_alloc_ext_banks(struct ath_hw *ah);
 
 #define AR_PHY_BASE     0x9800