ath9k: Remove RTT/MCI code from SoC calibration

RTT is enabled only for AR9462 and MCI for AR9462/AR9565.
Also, manual peak calibration is not done for any of the
SoC chips.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.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 9f54cb5..2824824 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -1235,46 +1235,12 @@ static bool ar9003_hw_init_cal_soc(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 rtt = !!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT);
+       bool run_agc_cal = false, sep_iq_cal = false;
        u32 rx_delay = 0;
-       u32 agc_ctrl = 0, agc_supp_cals = AR_PHY_AGC_CONTROL_OFFSET_CAL |
-                                         AR_PHY_AGC_CONTROL_FLTR_CAL   |
-                                         AR_PHY_AGC_CONTROL_PKDET_CAL;
 
        /* Use chip chainmask only for calibration */
        ar9003_hw_set_chain_masks(ah, ah->caps.rx_chainmask, ah->caps.tx_chainmask);
 
-       if (rtt) {
-               if (!ar9003_hw_rtt_restore(ah, chan))
-                       run_rtt_cal = true;
-
-               if (run_rtt_cal)
-                       ath_dbg(common, CALIBRATE, "RTT calibration to be done\n");
-       }
-
-       run_agc_cal = run_rtt_cal;
-
-       if (run_rtt_cal) {
-               ar9003_hw_rtt_enable(ah);
-               ar9003_hw_rtt_set_mask(ah, 0x00);
-               ar9003_hw_rtt_clear_hist(ah);
-       }
-
-       if (rtt) {
-               if (!run_rtt_cal) {
-                       agc_ctrl = REG_READ(ah, AR_PHY_AGC_CONTROL);
-                       agc_supp_cals &= agc_ctrl;
-                       agc_ctrl &= ~(AR_PHY_AGC_CONTROL_OFFSET_CAL |
-                                     AR_PHY_AGC_CONTROL_FLTR_CAL |
-                                     AR_PHY_AGC_CONTROL_PKDET_CAL);
-                       REG_WRITE(ah, AR_PHY_AGC_CONTROL, agc_ctrl);
-               } else {
-                       if (ah->ah_flags & AH_FASTCC)
-                               run_agc_cal = true;
-               }
-       }
-
        if (ah->enabled_cals & TX_CL_CAL) {
                if (caldata && test_bit(TXCLCAL_DONE, &caldata->cal_flags))
                        REG_CLR_BIT(ah, AR_PHY_CL_CAL_CTL,
@@ -1313,9 +1279,6 @@ static bool ar9003_hw_init_cal_soc(struct ath_hw *ah,
        }
 
 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);
@@ -1342,8 +1305,6 @@ skip_tx_iqcal:
                status = ath9k_hw_wait(ah, AR_PHY_AGC_CONTROL,
                                       AR_PHY_AGC_CONTROL_CAL,
                                       0, AH_WAIT_TIMEOUT);
-
-               ar9003_hw_do_manual_peak_cal(ah, chan, run_rtt_cal);
        }
 
        if (REG_READ(ah, AR_PHY_CL_CAL_CTL) & AR_PHY_CL_CAL_ENABLE) {
@@ -1351,18 +1312,7 @@ skip_tx_iqcal:
                udelay(5);
        }
 
-       if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal)
-               ar9003_mci_init_cal_done(ah);
-
-       if (rtt && !run_rtt_cal) {
-               agc_ctrl |= agc_supp_cals;
-               REG_WRITE(ah, AR_PHY_AGC_CONTROL, agc_ctrl);
-       }
-
        if (!status) {
-               if (run_rtt_cal)
-                       ar9003_hw_rtt_disable(ah);
-
                ath_dbg(common, CALIBRATE,
                        "offset calibration failed to complete in %d ms; noisy environment?\n",
                        AH_WAIT_TIMEOUT / 1000);
@@ -1376,24 +1326,6 @@ skip_tx_iqcal:
 
        ar9003_hw_cl_cal_post_proc(ah, is_reusable);
 
-       if (run_rtt_cal && caldata) {
-               if (is_reusable) {
-                       if (!ath9k_hw_rfbus_req(ah)) {
-                               ath_err(ath9k_hw_common(ah),
-                                       "Could not stop baseband\n");
-                       } else {
-                               ar9003_hw_rtt_fill_hist(ah);
-
-                               if (test_bit(SW_PKDET_DONE, &caldata->cal_flags))
-                                       ar9003_hw_rtt_load_hist(ah);
-                       }
-
-                       ath9k_hw_rfbus_done(ah);
-               }
-
-               ar9003_hw_rtt_disable(ah);
-       }
-
        /* Revert chainmask to runtime parameters */
        ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);