ath9k: Cleanup IQ calibration for PCOEM chips
authorSujith Manoharan <c_manoha@qca.qualcomm.com>
Tue, 19 Nov 2013 03:45:01 +0000 (09:15 +0530)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 2 Dec 2013 19:25:01 +0000 (14:25 -0500)
Since IQ calibration is done as part of AGC calibration for
AR9485 and above, remove the seperate IQ calibration code.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath/ath9k/ar9003_calib.c

index a18c3dd01a1a8fa4a44b0b3a74c2a9dd9bf4d776..aa0127265746941e473263d84e4b57d8177d0608 100644 (file)
@@ -1047,7 +1047,7 @@ static bool ar9003_hw_init_cal_pcoem(struct ath_hw *ah,
        struct ath9k_hw_cal_data *caldata = ah->caldata;
        bool txiqcal_done = false;
        bool is_reusable = true, status = true;
-       bool run_rtt_cal = false, run_agc_cal, sep_iq_cal = false;
+       bool run_rtt_cal = false, run_agc_cal;
        bool rtt = !!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT);
        u32 rx_delay = 0;
        u32 agc_ctrl = 0, agc_supp_cals = AR_PHY_AGC_CONTROL_OFFSET_CAL |
@@ -1119,22 +1119,12 @@ static bool ar9003_hw_init_cal_pcoem(struct ath_hw *ah,
                        REG_CLR_BIT(ah, AR_PHY_TX_IQCAL_CONTROL_0,
                                    AR_PHY_TX_IQCAL_CONTROL_0_ENABLE_TXIQ_CAL);
                txiqcal_done = run_agc_cal = true;
-       } else if (caldata && !test_bit(TXIQCAL_DONE, &caldata->cal_flags)) {
-               run_agc_cal = true;
-               sep_iq_cal = true;
        }
 
 skip_tx_iqcal:
        if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal)
                ar9003_mci_init_cal_req(ah, &is_reusable);
 
-       if (sep_iq_cal) {
-               txiqcal_done = ar9003_hw_tx_iq_cal_run(ah);
-               REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_DIS);
-               udelay(5);
-               REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
-       }
-
        if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE) {
                rx_delay = REG_READ(ah, AR_PHY_RX_DELAY);
                /* Disable BB_active */