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| author | Sujith Manoharan <c_manoha@qca.qualcomm.com> | 2012-12-10 02:52:36 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-12-10 21:49:49 +0100 |
| commit | d882d242e4bfb2016e611a5aab0112fcece7a8ac (patch) | |
| tree | 3d054275be2223e4ffa0fdc5030ea3447dc049ff | |
| parent | ath9k_hw: Various trivial fixes for PAPRD (diff) | |
| download | linux-d882d242e4bfb2016e611a5aab0112fcece7a8ac.tar.xz linux-d882d242e4bfb2016e611a5aab0112fcece7a8ac.zip | |
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>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index b28565e80785..fb3a87eeb678 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -965,9 +965,13 @@ EXPORT_SYMBOL(ar9003_paprd_init_table); bool ar9003_paprd_is_done(struct ath_hw *ah) { 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 (AR_SREV_9485(ah)) + goto exit; + if (paprd_done == 0x1) { agc2_pwr = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_STAT1, 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) paprd_done = 0; } - +exit: return !!paprd_done; } EXPORT_SYMBOL(ar9003_paprd_is_done); |