diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index fa9e5e99833..19004dd2609 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1960,6 +1960,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, REGWRITE_BUFFER_FLUSH(ah); + ath9k_hw_gen_timer_start_tsf2(ah); + ath9k_hw_init_desc(ah); if (ath9k_hw_btcoex_is_enabled(ah)) @@ -2924,6 +2926,16 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah) } EXPORT_SYMBOL(ath9k_hw_gettsf32); +void ath9k_hw_gen_timer_start_tsf2(struct ath_hw *ah) +{ + struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers; + + if (timer_table->tsf2_enabled) { + REG_SET_BIT(ah, AR_DIRECT_CONNECT, AR_DC_AP_STA_EN); + REG_SET_BIT(ah, AR_RESET_TSF, AR_RESET_TSF2_ONCE); + } +} + struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, void (*trigger)(void *), void (*overflow)(void *), @@ -2934,7 +2946,11 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, struct ath_gen_timer *timer; if ((timer_index < AR_FIRST_NDP_TIMER) || - (timer_index >= ATH_MAX_GEN_TIMER)) + (timer_index >= ATH_MAX_GEN_TIMER)) + return NULL; + + if ((timer_index > AR_FIRST_NDP_TIMER) && + !AR_SREV_9300_20_OR_LATER(ah)) return NULL; timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL); @@ -2948,6 +2964,11 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah, timer->overflow = overflow; timer->arg = arg; + if ((timer_index > AR_FIRST_NDP_TIMER) && !timer_table->tsf2_enabled) { + timer_table->tsf2_enabled = true; + ath9k_hw_gen_timer_start_tsf2(ah); + } + return timer; } EXPORT_SYMBOL(ath_gen_timer_alloc); |