diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 9b9b4e8ee1ea..4fae699a53c2 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -439,8 +439,8 @@ static void ath_start_ani(struct ath_softc *sc) */ void ath_update_chainmask(struct ath_softc *sc, int is_ht) { - if (is_ht || - (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX)) { + if ((sc->sc_flags & SC_OP_SCANNING) || is_ht || + (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE)) { sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask; sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask; } else { @@ -602,6 +602,10 @@ irqreturn_t ath_isr(int irq, void *dev) sc->sc_flags |= SC_OP_WAIT_FOR_BEACON; } + if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + if (status & ATH9K_INT_GENTIMER) + ath_gen_timer_isr(ah); + chip_reset: ath_debug_stat_interrupt(sc, status); @@ -1279,6 +1283,10 @@ void ath_detach(struct ath_softc *sc) if (ATH_TXQ_SETUP(sc, i)) ath_tx_cleanupq(sc, &sc->tx.txq[i]); + if ((sc->btcoex_info.no_stomp_timer) && + sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + ath_gen_timer_free(sc->sc_ah, sc->btcoex_info.no_stomp_timer); + ath9k_hw_detach(sc->sc_ah); sc->sc_ah = NULL; ath9k_exit_debug(sc); @@ -1509,8 +1517,11 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc) ARRAY_SIZE(ath9k_5ghz_chantable); } - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_BT_COEX) - ath9k_hw_btcoex_enable(sc->sc_ah); + if (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) { + r = ath9k_hw_btcoex_init(ah); + if (r) + goto bad2; + } return 0; bad2: @@ -1992,6 +2003,16 @@ static int ath9k_start(struct ieee80211_hw *hw) ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); + if ((sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) && + !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) { + ath_btcoex_set_weight(&sc->btcoex_info, AR_BT_COEX_WGHT, + AR_STOMP_LOW_WLAN_WGHT); + ath9k_hw_btcoex_enable(sc->sc_ah); + + if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + ath_btcoex_timer_resume(sc, &sc->btcoex_info); + } + mutex_unlock: mutex_unlock(&sc->mutex); @@ -2125,6 +2146,12 @@ static void ath9k_stop(struct ieee80211_hw *hw) return; /* another wiphy still in use */ } + if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) { + ath9k_hw_btcoex_disable(sc->sc_ah); + if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) + ath_btcoex_timer_pause(sc, &sc->btcoex_info); + } + /* make sure h/w will not generate any interrupt * before setting the invalid flag. */ ath9k_hw_set_interrupts(sc->sc_ah, 0); @@ -2713,6 +2740,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; + mutex_lock(&sc->mutex); if (ath9k_wiphy_scanning(sc)) { printk(KERN_DEBUG "ath9k: Two wiphys trying to scan at the " "same time\n"); @@ -2720,6 +2748,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) * Do not allow the concurrent scanning state for now. This * could be improved with scanning control moved into ath9k. */ + mutex_unlock(&sc->mutex); return; } @@ -2729,6 +2758,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) spin_lock_bh(&sc->ani_lock); sc->sc_flags |= SC_OP_SCANNING; spin_unlock_bh(&sc->ani_lock); + mutex_unlock(&sc->mutex); } static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) @@ -2736,11 +2766,13 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; + mutex_lock(&sc->mutex); spin_lock_bh(&sc->ani_lock); aphy->state = ATH_WIPHY_ACTIVE; sc->sc_flags &= ~SC_OP_SCANNING; sc->sc_flags |= SC_OP_FULL_RESET; spin_unlock_bh(&sc->ani_lock); + mutex_unlock(&sc->mutex); } struct ieee80211_ops ath9k_ops = { |