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authorSujith Manoharan <c_manoha@qca.qualcomm.com>2012-12-10 05:52:36 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-12-11 00:49:49 +0400
commitd882d242e4bfb2016e611a5aab0112fcece7a8ac (patch)
tree3d054275be2223e4ffa0fdc5030ea3447dc049ff /drivers/net/wireless/ath/ath9k/ar9003_paprd.c
parent36d2943ba738a601e29cbd86fa6ab6ac838f3905 (diff)
downloadlinux-d882d242e4bfb2016e611a5aab0112fcece7a8ac.tar.xz
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_paprd.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_paprd.c6
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);