ath9k_hw: Remove pointless ANI deinit

There is no reason to disable the PHY Error / MIB counters
when the module is being unloaded.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -657,12 +657,3 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
 	if (ah->config.enable_ani)
 		ah->proc_phyerr |= HAL_PROCESS_ANI;
 }
-
-void ath9k_hw_ani_disable(struct ath_hw *ah)
-{
-	ath_print(ath9k_hw_common(ah), ATH_DBG_ANI, "Disabling ANI\n");
-
-	ath9k_hw_disable_mib_counters(ah);
-	REG_WRITE(ah, AR_PHY_ERR_1, 0);
-	REG_WRITE(ah, AR_PHY_ERR_2, 0);
-}

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

@@ -118,6 +118,5 @@ u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt,
 void ath9k_hw_procmibevent(struct ath_hw *ah);
 void ath9k_hw_ani_setup(struct ath_hw *ah);
 void ath9k_hw_ani_init(struct ath_hw *ah);
-void ath9k_hw_ani_disable(struct ath_hw *ah);
 
 #endif /* ANI_H */

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

@@ -818,9 +818,6 @@ void ath9k_hw_deinit(struct ath_hw *ah)
 	if (common->state < ATH_HW_INITIALIZED)
 		goto free_hw;
 
-	if (!AR_SREV_9100(ah))
-		ath9k_hw_ani_disable(ah);
-
 	ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
 
 free_hw: