diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 2a8ed8375ec..69bbea1184d 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -791,7 +791,8 @@ static void ath9k_hw_init_pll(struct ath_hw *ah, refdiv = 5; } else { pll2_divint = 0x11; - pll2_divfrac = 0x26666; + pll2_divfrac = + AR_SREV_9531(ah) ? 0x26665 : 0x26666; refdiv = 1; } } @@ -1730,11 +1731,27 @@ fail: return -EINVAL; } +u32 ath9k_hw_get_tsf_offset(struct timespec *last, struct timespec *cur) +{ + struct timespec ts; + s64 usec; + + if (!cur) { + getrawmonotonic(&ts); + cur = &ts; + } + + usec = cur->tv_sec * 1000000ULL + cur->tv_nsec / 1000; + usec -= last->tv_sec * 1000000ULL + last->tv_nsec / 1000; + + return (u32) usec; +} +EXPORT_SYMBOL(ath9k_hw_get_tsf_offset); + int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, struct ath9k_hw_cal_data *caldata, bool fastcc) { struct ath_common *common = ath9k_hw_common(ah); - struct timespec ts; u32 saveLedState; u32 saveDefAntenna; u32 macStaId1; @@ -1784,8 +1801,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, /* Save TSF before chip reset, a cold reset clears it */ tsf = ath9k_hw_gettsf64(ah); - getrawmonotonic(&ts); - usec = ts.tv_sec * 1000000ULL + ts.tv_nsec / 1000; + usec = ktime_to_us(ktime_get_raw()); saveLedState = REG_READ(ah, AR_CFG_LED) & (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL | @@ -1818,8 +1834,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, } /* Restore TSF */ - getrawmonotonic(&ts); - usec = ts.tv_sec * 1000000ULL + ts.tv_nsec / 1000 - usec; + usec = ktime_to_us(ktime_get_raw()) - usec; ath9k_hw_settsf64(ah, tsf + usec); if (AR_SREV_9280_20_OR_LATER(ah)) |