diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_calib.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/reg.h | 2 |
2 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 9e6edffe0bd..32eed19ff6f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -718,12 +718,19 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath_common *common = ath9k_hw_common(ah); + int val; - /* - * 0x7 = 0b111 , AR9003 needs to be configured for 3-chain mode before - * running AGC/TxIQ cals - */ - ar9003_hw_set_chain_masks(ah, 0x7, 0x7); + val = REG_READ(ah, AR_ENT_OTP); + ath_print(common, ATH_DBG_CALIBRATE, "ath9k: AR_ENT_OTP 0x%x\n", val); + + if (val & AR_ENT_OTP_CHAIN2_DISABLE) + ar9003_hw_set_chain_masks(ah, 0x3, 0x3); + else + /* + * 0x7 = 0b111 , AR9003 needs to be configured for 3-chain + * mode before running AGC/TxIQ cals + */ + ar9003_hw_set_chain_masks(ah, 0x7, 0x7); /* Do Tx IQ Calibration */ ar9003_hw_tx_iq_cal(ah); diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 42976b0a01c..ac6a13e2735 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -1065,6 +1065,8 @@ enum { #define AR_INTR_PRIO_ASYNC_MASK 0x40c8 #define AR_INTR_PRIO_SYNC_MASK 0x40cc #define AR_INTR_PRIO_ASYNC_ENABLE 0x40d4 +#define AR_ENT_OTP 0x40d8 +#define AR_ENT_OTP_CHAIN2_DISABLE 0x00020000 #define AR_RTC_9300_PLL_DIV 0x000003ff #define AR_RTC_9300_PLL_DIV_S 0 |