diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2014-06-11 10:48:01 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-06-19 19:49:18 (GMT) |
| commit | 8d7e09dda8214e4154f45238b4c85ab1ecb5d89a (patch) | |
| tree | 88de4d537ffdc6edefc9e3a4e486a7bbf3029239 /drivers/net/wireless/ath/ath9k/hw.c | |
| parent | 26f16c246cea41f30ab2f63214a5529678677d0d (diff) | |
| download | linux-8d7e09dda8214e4154f45238b4c85ab1ecb5d89a.tar.xz | |
ath9k: save tsf in channel context
Save TSF in channel context for multiple operating channels.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 2a8ed83..ace4fe2 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1730,6 +1730,23 @@ 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) { @@ -1739,7 +1756,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, u32 saveDefAntenna; u32 macStaId1; u64 tsf = 0; - s64 usec = 0; int r; bool start_mci_reset = false; bool save_fullsleep = ah->chip_fullsleep; @@ -1785,7 +1801,6 @@ 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; saveLedState = REG_READ(ah, AR_CFG_LED) & (AR_CFG_LED_ASSOC_CTL | AR_CFG_LED_MODE_SEL | @@ -1818,9 +1833,7 @@ 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; - ath9k_hw_settsf64(ah, tsf + usec); + ath9k_hw_settsf64(ah, tsf + ath9k_hw_get_tsf_offset(&ts, NULL)); if (AR_SREV_9280_20_OR_LATER(ah)) REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE); |