diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_paprd.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 2e7f0f2567eb..fc9c08f513cf 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -785,7 +785,26 @@ EXPORT_SYMBOL(ar9003_paprd_init_table); bool ar9003_paprd_is_done(struct ath_hw *ah) { - return !!REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1, + int paprd_done, agc2_pwr; + paprd_done = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1, AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE); + + if (paprd_done == 0x1) { + agc2_pwr = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1, + AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_AGC2_PWR); + + ath_dbg(ath9k_hw_common(ah), ATH_DBG_CALIBRATE, + "AGC2_PWR = 0x%x training done = 0x%x\n", + agc2_pwr, paprd_done); + /* + * agc2_pwr range should not be less than 'IDEAL_AGC2_PWR_CHANGE' + * when the training is completely done, otherwise retraining is + * done to make sure the value is in ideal range + */ + if (agc2_pwr <= PAPRD_IDEAL_AGC2_PWR_RANGE) + paprd_done = 0; + } + + return !!paprd_done; } EXPORT_SYMBOL(ar9003_paprd_is_done); |