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authorVasanthakumar Thiagarajan <vasanth@atheros.com>2011-04-19 19:29:16 +0530
committerJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:50:12 -0400
commit5d48ae78cf81b4006ee1b7690b850db84820dc14 (patch)
tree0b0d3449dc72ac508095a2c5403f4ec9234ee189
parent2976bc5ebfb6c6dd37b4513540e567de0a2313f7 (diff)
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ath9k_hw: Read iq calibration data only for active chains
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_calib.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 09f3aa7f82f5..bceff49d150b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -185,17 +185,19 @@ static void ar9003_hw_iqcal_collect(struct ath_hw *ah)
/* Accumulate IQ cal measures for active chains */
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
- ah->totalPowerMeasI[i] +=
- REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
- ah->totalPowerMeasQ[i] +=
- REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
- ah->totalIqCorrMeas[i] +=
- (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
- ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
- "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
- ah->cal_samples, i, ah->totalPowerMeasI[i],
- ah->totalPowerMeasQ[i],
- ah->totalIqCorrMeas[i]);
+ if (ah->txchainmask & BIT(i)) {
+ ah->totalPowerMeasI[i] +=
+ REG_READ(ah, AR_PHY_CAL_MEAS_0(i));
+ ah->totalPowerMeasQ[i] +=
+ REG_READ(ah, AR_PHY_CAL_MEAS_1(i));
+ ah->totalIqCorrMeas[i] +=
+ (int32_t) REG_READ(ah, AR_PHY_CAL_MEAS_2(i));
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
+ "%d: Chn %d pmi=0x%08x;pmq=0x%08x;iqcm=0x%08x;\n",
+ ah->cal_samples, i, ah->totalPowerMeasI[i],
+ ah->totalPowerMeasQ[i],
+ ah->totalIqCorrMeas[i]);
+ }
}
}