From: Bala Shanmugam <bkamatch@xxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_mci.c | 6 ++++++
drivers/net/wireless/ath/ath9k/ar9003_phy.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c
index b2b9941..c46d8f1 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 9a48e3d..8f58523 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
--
1.7.12.2
--
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