diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9002_calib.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_calib.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index d28a8d3..fe7418a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -687,8 +687,13 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah, { bool iscaldone = true; struct ath9k_cal_list *currCal = ah->cal_list_curr; + bool nfcal, nfcal_pending = false; - if (currCal && + nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF); + if (ah->caldata) + nfcal_pending = ah->caldata->nfcal_pending; + + if (currCal && !nfcal && (currCal->calState == CAL_RUNNING || currCal->calState == CAL_WAITING)) { iscaldone = ar9002_hw_per_calibration(ah, chan, @@ -704,7 +709,7 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah, } /* Do NF cal only at longer intervals */ - if (longcal) { + if (longcal || nfcal_pending) { /* Do periodic PAOffset Cal */ ar9002_hw_pa_cal(ah, false); ar9002_hw_olc_temp_compensation(ah); @@ -713,16 +718,18 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah, * Get the value from the previous NF cal and update * history buffer. */ - ath9k_hw_getnf(ah, chan); - - /* - * Load the NF from history buffer of the current channel. - * NF is slow time-variant, so it is OK to use a historical - * value. - */ - ath9k_hw_loadnf(ah, ah->curchan); + if (ath9k_hw_getnf(ah, chan)) { + /* + * Load the NF from history buffer of the current + * channel. + * NF is slow time-variant, so it is OK to use a + * historical value. + */ + ath9k_hw_loadnf(ah, ah->curchan); + } - ath9k_hw_start_nfcal(ah, false); + if (longcal) + ath9k_hw_start_nfcal(ah, false); } return iscaldone; @@ -872,6 +879,9 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) /* Do NF Calibration after DC offset and other calibrations */ ath9k_hw_start_nfcal(ah, true); + if (ah->caldata) + ah->caldata->nfcal_pending = true; + ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL; /* Enable IQ, ADC Gain and ADC DC offset CALs */ |