diff options
| author | David S. Miller <davem@davemloft.net> | 2009-10-29 02:47:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-29 02:47:13 -0700 |
| commit | ed3f2e40f3d438f4a1ec0a898173116cb26f106a (patch) | |
| tree | f50e1c5f5f3511539084d9529e592e3fb0352607 /drivers/net/wireless/ath/ath9k/calib.c | |
| parent | fb699dfd426a189fe33b91586c15176a75c8aed0 (diff) | |
| parent | bd6b4442ff3cee73f73987cf0c0e66ea677aa075 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/calib.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/calib.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index f46bd05df44..551f8801459 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -813,7 +813,7 @@ static void ath9k_olc_temp_compensation(struct ath_hw *ah) } } -static void ath9k_hw_9271_pa_cal(struct ath_hw *ah) +static void ath9k_hw_9271_pa_cal(struct ath_hw *ah, bool is_reset) { u32 regVal; unsigned int i; @@ -889,10 +889,19 @@ static void ath9k_hw_9271_pa_cal(struct ath_hw *ah) REG_WRITE(ah, 0x7834, regVal); } - /* Empirical offset correction */ -#if 0 - REG_RMW_FIELD(ah, AR9285_AN_RF2G6, AR9271_AN_RF2G6_OFFS, 0x20); -#endif + regVal = (regVal >>20) & 0x7f; + + /* Update PA cal info */ + if ((!is_reset) && (ah->pacal_info.prev_offset == regVal)) { + if (ah->pacal_info.max_skipcount < MAX_PACAL_SKIPCOUNT) + ah->pacal_info.max_skipcount = + 2 * ah->pacal_info.max_skipcount; + ah->pacal_info.skipcount = ah->pacal_info.max_skipcount; + } else { + ah->pacal_info.max_skipcount = 1; + ah->pacal_info.skipcount = 0; + ah->pacal_info.prev_offset = regVal; + } regVal = REG_READ(ah, 0x7834); regVal |= 0x1; @@ -1043,7 +1052,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, if (longcal) { /* Do periodic PAOffset Cal */ if (AR_SREV_9271(ah)) - ath9k_hw_9271_pa_cal(ah); + ath9k_hw_9271_pa_cal(ah, false); else if (AR_SREV_9285_11_OR_LATER(ah)) { if (!ah->pacal_info.skipcount) ath9k_hw_9285_pa_cal(ah, false); @@ -1070,6 +1079,7 @@ bool ath9k_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, } EXPORT_SYMBOL(ath9k_hw_calibrate); +/* Carrier leakage Calibration fix */ static bool ar9285_clc(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath_common *common = ath9k_hw_common(ah); @@ -1115,7 +1125,7 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath_common *common = ath9k_hw_common(ah); - if (AR_SREV_9285_12_OR_LATER(ah)) { + if (AR_SREV_9271(ah) || AR_SREV_9285_12_OR_LATER(ah)) { if (!ar9285_clc(ah, chan)) return false; } else { @@ -1151,7 +1161,9 @@ bool ath9k_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan) } /* Do PA Calibration */ - if (AR_SREV_9285_11_OR_LATER(ah)) + if (AR_SREV_9271(ah)) + ath9k_hw_9271_pa_cal(ah, true); + else if (AR_SREV_9285_11_OR_LATER(ah)) ath9k_hw_9285_pa_cal(ah, true); /* Do NF Calibration after DC offset and other calibrations */ |