diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_calib.c | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/calib.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.h | 1 |
3 files changed, 25 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index 68188f500949..fd53b5f9e9b5 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -19,6 +19,8 @@ #include "ar9002_phy.h" #define AR9285_CLCAL_REDO_THRESH 1 +/* AGC & I/Q calibrations time limit, ms */ +#define AR9002_CAL_MAX_TIME 30000 enum ar9002_cal_types { ADC_GAIN_CAL = BIT(0), @@ -104,6 +106,14 @@ static bool ar9002_hw_per_calibration(struct ath_hw *ah, } else { ar9002_hw_setup_calibration(ah, currCal); } + } else if (time_after(jiffies, ah->cal_start_time + + msecs_to_jiffies(AR9002_CAL_MAX_TIME))) { + REG_CLR_BIT(ah, AR_PHY_TIMING_CTRL4(0), + AR_PHY_TIMING_CTRL4_DO_CAL); + ath_dbg(ath9k_hw_common(ah), CALIBRATE, + "calibration timeout\n"); + currCal->calState = CAL_WAITING; /* Try later */ + iscaldone = true; } } else if (!(caldata->CalValid & currCal->calData->calType)) { ath9k_hw_reset_calibration(ah, currCal); @@ -679,8 +689,19 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, if (!ar9002_hw_per_calibration(ah, chan, rxchainmask, currCal)) return 0; - ah->cal_list_curr = currCal = currCal->calNext; - percal_pending = currCal->calState == CAL_WAITING; + /* Looking for next waiting calibration if any */ + for (currCal = currCal->calNext; currCal != ah->cal_list_curr; + currCal = currCal->calNext) { + if (currCal->calState == CAL_WAITING) + break; + } + if (currCal->calState == CAL_WAITING) { + percal_pending = true; + ah->cal_list_curr = currCal; + } else { + percal_pending = false; + ah->cal_list_curr = ah->cal_list; + } } /* Do not start a next calibration if the longcal is in action */ diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index 2ac3eefd3851..0422a33395b7 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -176,6 +176,7 @@ void ath9k_hw_reset_calibration(struct ath_hw *ah, ath9k_hw_setup_calibration(ah, currCal); + ah->cal_start_time = jiffies; currCal->calState = CAL_RUNNING; for (i = 0; i < AR5416_MAX_CHAINS; i++) { diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index c99f3c77c823..023599e10dd5 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -834,6 +834,7 @@ struct ath_hw { /* Calibration */ u32 supp_cals; + unsigned long cal_start_time; struct ath9k_cal_list iq_caldata; struct ath9k_cal_list adcgain_caldata; struct ath9k_cal_list adcdc_caldata; |