From b55f6bb7c3f890c3d537516efa8746a4784c058d Mon Sep 17 00:00:00 2001 From: Bala Shanmugam Date: Mon, 15 Oct 2012 15:29:48 +0530 Subject: [PATCH] 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 Signed-off-by: John W. Linville --- 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 b2b994147aeb..c46d8f18d81d 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 9a48e3d2f231..8f585233a788 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 -- 2.20.1