From 20caf0dd4131d030c2a4099e2c2766ec7a5e83ea Mon Sep 17 00:00:00 2001
From: Sujith <Sujith.Manoharan@atheros.com>
Date: Wed, 26 Aug 2009 08:39:52 +0530
Subject: [PATCH] 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>
---
drivers/net/wireless/ath/ath9k/calib.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index f9de16c3131a..3234995e8881 100644
--- 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);
--
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