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ath9k_hw: Fix PAPRD retraining for AR9485 

Retraining of PAPRD based on agc2_pwr is required for
chips other than AR9485.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-12-10 07:22:36 +05:30 committed by John W. Linville
parent 36d2943ba7
commit d882d242e4
1 changed files with 5 additions and 1 deletions
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6
drivers/net/wireless/ath/ath9k/ar9003_paprd.c
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@ -965,9 +965,13 @@ EXPORT_SYMBOL(ar9003_paprd_init_table);
bool ar9003_paprd_is_done(struct ath_hw *ah) bool ar9003_paprd_is_done(struct ath_hw *ah)
{ {
int paprd_done, agc2_pwr; int paprd_done, agc2_pwr;
paprd_done = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1, paprd_done = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE); AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE);
if (AR_SREV_9485(ah))
goto exit;
if (paprd_done == 0x1) { if (paprd_done == 0x1) {
agc2_pwr = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1, agc2_pwr = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1,
AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_AGC2_PWR); AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_AGC2_PWR);
@ -983,7 +987,7 @@ bool ar9003_paprd_is_done(struct ath_hw *ah)
if (agc2_pwr <= PAPRD_IDEAL_AGC2_PWR_RANGE) if (agc2_pwr <= PAPRD_IDEAL_AGC2_PWR_RANGE)
paprd_done = 0; paprd_done = 0;
} }
exit:
return !!paprd_done; return !!paprd_done;
} }
EXPORT_SYMBOL(ar9003_paprd_is_done); EXPORT_SYMBOL(ar9003_paprd_is_done);