ath9k: split ath9k_hw_btcoex_enable() into two helpers

One for 2-wire and another for 3-wire.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -117,15 +117,19 @@ void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah)
 	ath9k_hw_cfg_gpio_input(ah, btcoex_info->btpriority_gpio);
 }
 
-void ath9k_hw_btcoex_enable(struct ath_hw *ah)
+static void ath9k_hw_btcoex_enable_2wire(struct ath_hw *ah)
 {
 	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
 
-	if (btcoex_info->btcoex_scheme == ATH_BTCOEX_CFG_2WIRE) {
 	/* Configure the desired GPIO port for TX_FRAME output */
 	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
 			    AR_GPIO_OUTPUT_MUX_AS_TX_FRAME);
-	} else {
+}
+
+static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+
 	/*
 	 * Program coex mode and weight registers to
 	 * enable coex 3-wire
@@ -134,13 +138,26 @@ void ath9k_hw_btcoex_enable(struct ath_hw *ah)
 	REG_WRITE(ah, AR_BT_COEX_WEIGHT, btcoex_info->bt_coex_weights);
 	REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex_info->bt_coex_mode2);
 
-		REG_RMW_FIELD(ah, AR_QUIET1,
-				AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1);
-		REG_RMW_FIELD(ah, AR_PCU_MISC,
-				AR_PCU_BT_ANT_PREVENT_RX, 0);
+	REG_RMW_FIELD(ah, AR_QUIET1, AR_QUIET1_QUIET_ACK_CTS_ENABLE, 1);
+	REG_RMW_FIELD(ah, AR_PCU_MISC, AR_PCU_BT_ANT_PREVENT_RX, 0);
 
 	ath9k_hw_cfg_output(ah, btcoex_info->wlanactive_gpio,
 			    AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL);
+}
+
+void ath9k_hw_btcoex_enable(struct ath_hw *ah)
+{
+	struct ath_btcoex_info *btcoex_info = &ah->btcoex_info;
+
+	switch (btcoex_info->btcoex_scheme) {
+	case ATH_BTCOEX_CFG_NONE:
+		break;
+	case ATH_BTCOEX_CFG_2WIRE:
+		ath9k_hw_btcoex_enable_2wire(ah);
+		break;
+	case ATH_BTCOEX_CFG_3WIRE:
+		ath9k_hw_btcoex_enable_3wire(ah);
+		break;
 	}
 
 	REG_RMW(ah, AR_GPIO_PDPU,