diff options
| author | Vasanthakumar Thiagarajan <vasanth@atheros.com> | 2011-04-21 18:33:27 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-25 14:50:16 -0400 |
| commit | 788f6875fcf5d2bce221fbfd2318ac48df299031 (patch) | |
| tree | 933972db0fd520038b5e49701d2f2571e138b3c4 /drivers/net/wireless/ath/ath9k/hw.c | |
| parent | ca45de77ad706e86b135b8564e21aa2c8a63f09b (diff) | |
| download | kernel_samsung_smdk4412-788f6875fcf5d2bce221fbfd2318ac48df299031.zip kernel_samsung_smdk4412-788f6875fcf5d2bce221fbfd2318ac48df299031.tar.gz kernel_samsung_smdk4412-788f6875fcf5d2bce221fbfd2318ac48df299031.tar.bz2 | |
ath9k: Fix bug in configuring hw timer
Hw next tigger time is configured as current_tsf + (timer_period * 10) which
is wrong, it should be current_tsf + timer_period. The wrong hw timer configuration
would cause btcoex related issues.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.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 | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 0fcfa59..577ca59 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2430,11 +2430,11 @@ EXPORT_SYMBOL(ath_gen_timer_alloc); void ath9k_hw_gen_timer_start(struct ath_hw *ah, struct ath_gen_timer *timer, - u32 timer_next, + u32 trig_timeout, u32 timer_period) { struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; - u32 tsf; + u32 tsf, timer_next; BUG_ON(!timer_period); @@ -2442,18 +2442,13 @@ void ath9k_hw_gen_timer_start(struct ath_hw *ah, tsf = ath9k_hw_gettsf32(ah); + timer_next = tsf + trig_timeout; + ath_dbg(ath9k_hw_common(ah), ATH_DBG_HWTIMER, "current tsf %x period %x timer_next %x\n", tsf, timer_period, timer_next); /* - * Pull timer_next forward if the current TSF already passed it - * because of software latency - */ - if (timer_next < tsf) - timer_next = tsf + timer_period; - - /* * Program generic timer registers */ REG_WRITE(ah, gen_tmr_configuration[timer->index].next_addr, |