ath9k: turn off RXIQ calibration while re-calibrating radio

TXIQ and RXIQ share the same data path to upload the measurement
result, we should turn off RXIQ calibration while re-calibrating radio

Signed-off-by: Bala Shanmugam <bkamatch@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index b2b994147ae..c46d8f18d81 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
@@ -750,6 +750,9 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 
         mci_hw->bt_state = MCI_BT_AWAKE;
 
+        REG_CLR_BIT(ah, AR_PHY_TIMING4,
+                    1 << AR_PHY_TIMING_CONTROL4_DO_GAIN_DC_IQ_CAL_SHIFT);
+
         if (caldata) {
                 caldata->done_txiqcal_once = false;
                 caldata->done_txclcal_once = false;
@@ -759,6 +762,9 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
         if (!ath9k_hw_init_cal(ah, chan))
                 return -EIO;
 
+        REG_SET_BIT(ah, AR_PHY_TIMING4,
+                    1 << AR_PHY_TIMING_CONTROL4_DO_GAIN_DC_IQ_CAL_SHIFT);
+
 exit:
         ar9003_mci_enable_interrupt(ah);
         return 0;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index 9a48e3d2f23..8f585233a78 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -32,6 +32,7 @@
 #define AR_PHY_SPUR_REG     (AR_CHAN_BASE + 0x1c)
 #define AR_PHY_RX_IQCAL_CORR_B0    (AR_CHAN_BASE + 0xdc)
 #define AR_PHY_TX_IQCAL_CONTROL_3  (AR_CHAN_BASE + 0xb0)
+#define AR_PHY_TIMING_CONTROL4_DO_GAIN_DC_IQ_CAL_SHIFT 16
 
 #define AR_PHY_TIMING11_SPUR_FREQ_SD    0x3FF00000
 #define AR_PHY_TIMING11_SPUR_FREQ_SD_S  20