diff options
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/gpio.c | 53 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/mci.c | 2 |
3 files changed, 15 insertions, 47 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 5e5d5cb2458c..dbf2a97d4daa 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -477,20 +477,19 @@ enum bt_op_flags { }; struct ath_btcoex { - bool hw_timer_enabled; spinlock_t btcoex_lock; struct timer_list period_timer; /* Timer for BT period */ + struct timer_list no_stomp_timer; u32 bt_priority_cnt; unsigned long bt_priority_time; unsigned long op_flags; int bt_stomp_type; /* Types of BT stomping */ - u32 btcoex_no_stomp; /* in usec */ + u32 btcoex_no_stomp; /* in msec */ u32 btcoex_period; /* in msec */ - u32 btscan_no_stomp; /* in usec */ + u32 btscan_no_stomp; /* in msec */ u32 duty_cycle; u32 bt_wait_time; int rssi_count; - struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ struct ath_mci_profile mci; u8 stomp_audio; }; diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index c34f21241da9..a85e220c8d9c 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -257,19 +257,9 @@ static void ath_btcoex_period_timer(unsigned long data) spin_unlock_bh(&btcoex->btcoex_lock); - /* - * btcoex_period is in msec while (btocex/btscan_)no_stomp are in usec, - * ensure that we properly convert btcoex_period to usec - * for any comparision with (btcoex/btscan_)no_stomp. - */ - if (btcoex->btcoex_period * 1000 != btcoex->btcoex_no_stomp) { - if (btcoex->hw_timer_enabled) - ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); - - ath9k_gen_timer_start(ah, btcoex->no_stomp_timer, timer_period, - timer_period * 10); - btcoex->hw_timer_enabled = true; - } + if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) + mod_timer(&btcoex->no_stomp_timer, + jiffies + msecs_to_jiffies(timer_period)); ath9k_ps_restore(sc); @@ -282,7 +272,7 @@ skip_hw_wakeup: * Generic tsf based hw timer which configures weight * registers to time slice between wlan and bt traffic */ -static void ath_btcoex_no_stomp_timer(void *arg) +static void ath_btcoex_no_stomp_timer(unsigned long arg) { struct ath_softc *sc = (struct ath_softc *)arg; struct ath_hw *ah = sc->sc_ah; @@ -311,24 +301,18 @@ static int ath_init_btcoex_timer(struct ath_softc *sc) struct ath_btcoex *btcoex = &sc->btcoex; btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD; - btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * 1000 * + btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) * btcoex->btcoex_period / 100; - btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * 1000 * + btcoex->btscan_no_stomp = (100 - ATH_BTCOEX_BTSCAN_DUTY_CYCLE) * btcoex->btcoex_period / 100; setup_timer(&btcoex->period_timer, ath_btcoex_period_timer, (unsigned long) sc); + setup_timer(&btcoex->no_stomp_timer, ath_btcoex_no_stomp_timer, + (unsigned long) sc); spin_lock_init(&btcoex->btcoex_lock); - btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah, - ath_btcoex_no_stomp_timer, - ath_btcoex_no_stomp_timer, - (void *) sc, AR_FIRST_NDP_TIMER); - - if (!btcoex->no_stomp_timer) - return -ENOMEM; - return 0; } @@ -343,10 +327,7 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc) ath_dbg(ath9k_hw_common(ah), BTCOEX, "Starting btcoex timers\n"); /* make sure duty cycle timer is also stopped when resuming */ - if (btcoex->hw_timer_enabled) { - ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); - btcoex->hw_timer_enabled = false; - } + del_timer_sync(&btcoex->no_stomp_timer); btcoex->bt_priority_cnt = 0; btcoex->bt_priority_time = jiffies; @@ -363,24 +344,16 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc) void ath9k_btcoex_timer_pause(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; - struct ath_hw *ah = sc->sc_ah; del_timer_sync(&btcoex->period_timer); - - if (btcoex->hw_timer_enabled) { - ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer); - btcoex->hw_timer_enabled = false; - } + del_timer_sync(&btcoex->no_stomp_timer); } void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; - if (btcoex->hw_timer_enabled) { - ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); - btcoex->hw_timer_enabled = false; - } + del_timer_sync(&btcoex->no_stomp_timer); } u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) @@ -447,10 +420,6 @@ void ath9k_deinit_btcoex(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; - if ((sc->btcoex.no_stomp_timer) && - ath9k_hw_get_btcoex_scheme(sc->sc_ah) == ATH_BTCOEX_CFG_3WIRE) - ath_gen_timer_free(sc->sc_ah, sc->btcoex.no_stomp_timer); - if (ath9k_hw_mci_is_enabled(ah)) ath_mci_cleanup(sc); } diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index 0ac1b5f04256..71799fcade54 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -200,7 +200,7 @@ skip_tuning: if (btcoex->duty_cycle > ATH_MCI_MAX_DUTY_CYCLE) btcoex->duty_cycle = ATH_MCI_MAX_DUTY_CYCLE; - btcoex->btcoex_no_stomp = btcoex->btcoex_period * 1000 * + btcoex->btcoex_no_stomp = btcoex->btcoex_period * (100 - btcoex->duty_cycle) / 100; ath9k_hw_btcoex_enable(sc->sc_ah); |