ath9k: move bt_stomp_type to driver core

The bt_stomp_type defines the bt coex weight, it has a one-to-one
mapping. In the future we may want to just use the weight directly.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -450,12 +450,21 @@ struct ath_ani {
 	struct timer_list timer;
 };
 
+/* Defines the BT AR_BT_COEX_WGHT used */
+enum ath_stomp_type {
+	ATH_BTCOEX_NO_STOMP,
+	ATH_BTCOEX_STOMP_ALL,
+	ATH_BTCOEX_STOMP_LOW,
+	ATH_BTCOEX_STOMP_NONE
+};
+
 struct ath_btcoex {
 	bool hw_timer_enabled;
 	spinlock_t btcoex_lock;
 	struct timer_list period_timer; /* Timer for BT period */
 	u32 bt_priority_cnt;
 	unsigned long bt_priority_time;
+	int bt_stomp_type; /* Types of BT stomping */
 	u32 btcoex_no_stomp; /* in usec */
 	u32 btcoex_period; /* in usec */
 	struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */

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

@@ -65,8 +65,6 @@ void ath9k_hw_init_btcoex_hw_info(struct ath_hw *ah, int qnum)
 		SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) |
 		AR_BT_DISABLE_BT_ANT;
 
-	btcoex_info->bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
-
 	for (i = 0; i < 32; i++)
 		ah->hw_gen_timers.gen_timer_index[(debruijn32 << i) >> 27] = i;
 }

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

@@ -36,13 +36,6 @@ enum ath_btcoex_scheme {
 	ATH_BTCOEX_CFG_3WIRE,
 };
 
-enum ath_stomp_type {
-	ATH_BTCOEX_NO_STOMP,
-	ATH_BTCOEX_STOMP_ALL,
-	ATH_BTCOEX_STOMP_LOW,
-	ATH_BTCOEX_STOMP_NONE
-};
-
 enum ath_bt_mode {
 	ATH_BT_COEX_MODE_LEGACY,	/* legacy rx_clear mode */
 	ATH_BT_COEX_MODE_UNSLOTTED,	/* untimed/unslotted mode */
@@ -69,7 +62,6 @@ struct ath_btcoex_info {
 	u8 btactive_gpio;
 	u8 btpriority_gpio;
 	u8 bt_duty_cycle; 	/* BT duty cycle in percentage */
-	int bt_stomp_type; 	/* Types of BT stomping */
 	u32 bt_coex_mode; 	/* Register setting for AR_BT_COEX_MODE */
 	u32 bt_coex_weights; 	/* Register setting for AR_BT_COEX_WEIGHT */
 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */

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

@@ -1391,7 +1391,7 @@ static void ath_btcoex_period_timer(unsigned long data)
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	ath_btcoex_bt_stomp(sc, btinfo, btinfo->bt_stomp_type);
+	ath_btcoex_bt_stomp(sc, btinfo, btcoex->bt_stomp_type);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
 
@@ -1426,9 +1426,9 @@ static void ath_btcoex_no_stomp_timer(void *arg)
 
 	spin_lock_bh(&btcoex->btcoex_lock);
 
-	if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
+	if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
 		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_NONE);
-	 else if (btinfo->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
+	 else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
 		ath_btcoex_bt_stomp(sc, btinfo, ATH_BTCOEX_STOMP_LOW);
 
 	spin_unlock_bh(&btcoex->btcoex_lock);
@@ -1687,6 +1687,7 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
 			goto bad2;
 		qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
 		ath9k_hw_init_btcoex_hw_info(ah, qnum);
+		sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
 		break;
 	default:
 		WARN_ON(1);