ath9k: Handle PA cal usage properly

PA Calibration is not needed for high power solutions.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index f9de16c..3234995 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -879,6 +879,11 @@ static inline void ath9k_hw_9285_pa_cal(struct ath_hw *ah, bool is_reset)
 
        DPRINTF(ah->ah_sc, ATH_DBG_CALIBRATE, "Running PA Calibration\n");
 
+       /* PA CAL is not needed for high power solution */
+       if (ah->eep_ops->get_eeprom(ah, EEP_TXGAIN_TYPE) ==
+           AR5416_EEP_TXGAIN_HIGH_POWER)
+               return;
+
        if (AR_SREV_9285_11(ah)) {
                REG_WRITE(ah, AR9285_AN_TOP4, (AR9285_AN_TOP4_DEFAULT | 0x14));
                udelay(10);