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>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 09f3aa7..bceff49 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -185,17 +185,19 @@
/* 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]);
+ }
}
}