ath9k_hw: Enable TX IQ calibration on AR9003

To enable it we now disable and re-enable the PHY chips
after TX IQ calibration.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 56a9e5f..5a06503 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -739,6 +739,12 @@
 	 */
 	ar9003_hw_set_chain_masks(ah, 0x7, 0x7);
 
+	/* Do Tx IQ Calibration */
+	ar9003_hw_tx_iq_cal(ah);
+	REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
+	udelay(5);
+	REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
+
 	/* Calibrate the AGC */
 	REG_WRITE(ah, AR_PHY_AGC_CONTROL,
 		  REG_READ(ah, AR_PHY_AGC_CONTROL) |
@@ -753,10 +759,6 @@
 		return false;
 	}
 
-	/* Do Tx IQ Calibration */
-	if (ah->config.tx_iq_calibration)
-		ar9003_hw_tx_iq_cal(ah);
-
 	/* Revert chainmasks to their original values before NF cal */
 	ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);