ath9k_hw: small optimization

Assign the MCI BT state locally, rather than unnecessarily calling
ar9003_mci_state and updating it.
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9003_mci.c

@@ -1201,12 +1201,6 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type)
 
 		ar9003_mci_2g5g_switch(ah, false);
 		break;
-	case MCI_STATE_SET_BT_CAL_START:
-		mci->bt_state = MCI_BT_CAL_START;
-		break;
-	case MCI_STATE_SET_BT_CAL:
-		mci->bt_state = MCI_BT_CAL;
-		break;
 	case MCI_STATE_RESET_REQ_WAKE:
 		ar9003_mci_reset_req_wakeup(ah);
 		mci->update_2g5g = true;

drivers/net/wireless/ath/ath9k/ar9003_mci.h

@@ -190,8 +190,6 @@ enum mci_bt_state {
 enum mci_state_type {
 	MCI_STATE_ENABLE,
 	MCI_STATE_SET_BT_AWAKE,
-	MCI_STATE_SET_BT_CAL_START,
-	MCI_STATE_SET_BT_CAL,
 	MCI_STATE_LAST_SCHD_MSG_OFFSET,
 	MCI_STATE_REMOTE_SLEEP,
 	MCI_STATE_RESET_REQ_WAKE,

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

@@ -201,7 +201,7 @@ static void ath_mci_cal_msg(struct ath_softc *sc, u8 opcode, u8 *rx_payload)
 	switch (opcode) {
 	case MCI_GPM_BT_CAL_REQ:
 		if (mci_hw->bt_state == MCI_BT_AWAKE) {
-			ar9003_mci_state(ah, MCI_STATE_SET_BT_CAL_START);
+			mci_hw->bt_state = MCI_BT_CAL_START;
 			ath9k_queue_reset(sc, RESET_TYPE_MCI);
 		}
 		ath_dbg(common, MCI, "MCI State : %d\n", mci_hw->bt_state);