ath9k: split bluetooth hardware coex init into two helpers

Use a helper for 2-wire and another for 3-wire.
Signed-off-by: NLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

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

@@ -225,12 +225,10 @@ static int ath_init_btcoex_info(struct ath_hw *ah,
 	return 0;
 }
 
-int ath9k_hw_btcoex_init(struct ath_hw *ah)
+static void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
-	int ret = 0;
 
-	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) {
 	/* connect bt_active to baseband */
 	REG_CLR_BIT(ah, AR_GPIO_INPUT_EN_VAL,
 		    (AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_DEF |
@@ -246,7 +244,12 @@ int ath9k_hw_btcoex_init(struct ath_hw *ah)
 
 	/* Configure the desired gpio port for input */
 	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
-	} else {
+}
+
+static void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+
 	/* btcoex 3-wire */
 	REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL,
 			(AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB |
@@ -266,7 +269,17 @@ int ath9k_hw_btcoex_init(struct ath_hw *ah)
 
 	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btactive_gpio);
 	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio);
+}
+
+int ath9k_hw_btcoex_init(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+	int ret = 0;
 
+	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE)
+		ath9k_hw_btcoex_init_2wire(ah);
+	else {
+		ath9k_hw_btcoex_init_3wire(ah);
 		ret = ath_init_btcoex_info(ah, btcoex_info);
 	}