ath9k: Remove duplicate variables

diversity_control and antenna_switch_swap are already
present in ath9k_ops_config. Remove duplicate occurrences
in ath_hw.
Signed-off-by: NSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

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

@@ -407,7 +407,7 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 	ah->config.cck_trig_high = 200;
 	ah->config.cck_trig_low = 100;
 	ah->config.enable_ani = 1;
-	ah->config.diversity_control = 0;
+	ah->config.diversity_control = ATH9K_ANT_VARIABLE;
 	ah->config.antenna_switch_swap = 0;
 
 	for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
@@ -452,9 +452,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
 	ah->regulatory.power_limit = MAX_RATE_POWER;
 	ah->regulatory.tp_scale = ATH9K_TP_SCALE_MAX;
 	ah->atim_window = 0;
-	ah->diversity_control = ah->config.diversity_control;
-	ah->antenna_switch_swap =
-		ah->config.antenna_switch_swap;
 	ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
 	ah->beacon_interval = 100;
 	ah->enable_32kHz_clock = DONT_USE_32KHZ;
@@ -3891,7 +3888,7 @@ bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
 			break;
 		}
 	} else {
-		ah->diversity_control = settings;
+		ah->config.diversity_control = settings;
 	}
 
 	return true;

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

@@ -127,6 +127,12 @@ enum wireless_mode {
 	ATH9K_MODE_MAX,
 };
 
+enum ath9k_ant_setting {
+	ATH9K_ANT_VARIABLE = 0,
+	ATH9K_ANT_FIXED_A,
+	ATH9K_ANT_FIXED_B
+};
+
 enum ath9k_hw_caps {
 	ATH9K_HW_CAP_MIC_AESCCM                 = BIT(0),
 	ATH9K_HW_CAP_MIC_CKIP                   = BIT(1),
@@ -191,7 +197,7 @@ struct ath9k_ops_config {
 	u32 cck_trig_high;
 	u32 cck_trig_low;
 	u32 enable_ani;
-	u16 diversity_control;
+	enum ath9k_ant_setting diversity_control;
 	u16 antenna_switch_swap;
 	int serialize_regmode;
 	bool intr_mitigation;
@@ -330,12 +336,6 @@ enum ath9k_power_mode {
 	ATH9K_PM_UNDEFINED
 };
 
-enum ath9k_ant_setting {
-	ATH9K_ANT_VARIABLE = 0,
-	ATH9K_ANT_FIXED_A,
-	ATH9K_ANT_FIXED_B
-};
-
 enum ath9k_tp_scale {
 	ATH9K_TP_SCALE_MAX = 0,
 	ATH9K_TP_SCALE_50,
@@ -437,8 +437,6 @@ struct ath_hw {
 	u32 txurn_interrupt_mask;
 	bool chip_fullsleep;
 	u32 atim_window;
-	u16 antenna_switch_swap;
-	enum ath9k_ant_setting diversity_control;
 
 	/* Calibration */
 	enum ath9k_cal_types supp_cals;

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

@@ -353,18 +353,16 @@ ath9k_hw_decrease_chain_power(struct ath_hw *ah, struct ath9k_channel *chan)
 	u32 bank6SelMask;
 	u32 *bank6Temp = ah->bank6Temp;
 
-	switch (ah->diversity_control) {
+	switch (ah->config.diversity_control) {
 	case ATH9K_ANT_FIXED_A:
 		bank6SelMask =
-		    (ah->
-		     antenna_switch_swap & ANTSWAP_AB) ? REDUCE_CHAIN_0 :
-		    REDUCE_CHAIN_1;
+		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
+			REDUCE_CHAIN_0 : REDUCE_CHAIN_1;
 		break;
 	case ATH9K_ANT_FIXED_B:
 		bank6SelMask =
-		    (ah->
-		     antenna_switch_swap & ANTSWAP_AB) ? REDUCE_CHAIN_1 :
-		    REDUCE_CHAIN_0;
+		    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
+			REDUCE_CHAIN_1 : REDUCE_CHAIN_0;
 		break;
 	case ATH9K_ANT_VARIABLE:
 		return;