From: Sujith Manoharan Date: Fri, 7 Feb 2014 04:59:50 +0000 (+0530) Subject: ath9k: Check explicitly for IQ calibration X-Git-Tag: accepted/tizen/common/20141203.182822~316^2~18^2^2~334 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9fded99ad7b94eae51d6d12c7016157deeedbb65;p=platform%2Fkernel%2Flinux-arm64.git ath9k: Check explicitly for IQ calibration In chips like AR955x, the initvals contain the information whether IQ calibration is to be done in the HW when an AGC calibration is triggered. Check if IQ-CAL is enabled in the initvals before flagging 'txiqcal_done' as true. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 53f7895..834295d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -1482,7 +1482,12 @@ static bool ar9003_hw_init_cal_soc(struct ath_hw *ah, * AGC calibration. Specifically, AR9550 in SoC chips. */ if (ah->enabled_cals & TX_IQ_ON_AGC_CAL) { - txiqcal_done = true; + if (REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_0, + AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL)) { + txiqcal_done = true; + } else { + txiqcal_done = false; + } run_agc_cal = true; } else { sep_iq_cal = true;