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, 33 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index d0c3aec7c74e..73a36551a5ed 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -258,6 +258,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) } } + sc->gtt_cnt = 0; ieee80211_wake_queues(sc->hw); return true; @@ -476,6 +477,19 @@ void ath9k_tasklet(unsigned long data) } } + if (status & ATH9K_INT_GTT) { + sc->gtt_cnt++; + + if ((sc->gtt_cnt >= MAX_GTT_CNT) && !ath9k_hw_check_alive(ah)) { + type = RESET_TYPE_TX_GTT; + ath9k_queue_reset(sc, type); + atomic_inc(&ah->intr_ref_cnt); + ath_dbg(common, ANY, + "GTT: Skipping interrupts\n"); + goto out; + } + } + spin_lock_irqsave(&sc->sc_pm_lock, flags); if ((status & ATH9K_INT_TSFOOR) && sc->ps_enabled) { /* @@ -503,10 +517,19 @@ void ath9k_tasklet(unsigned long data) } if (status & ATH9K_INT_TX) { - if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) + if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { + /* + * For EDMA chips, TX completion is enabled for the + * beacon queue, so if a beacon has been transmitted + * successfully after a GTT interrupt, the GTT counter + * gets reset to zero here. + */ + /* sc->gtt_cnt = 0; */ + ath_tx_edma_tasklet(sc); - else + } else { ath_tx_tasklet(sc); + } wake_up(&sc->tx_wait); } @@ -536,13 +559,13 @@ irqreturn_t ath_isr(int irq, void *dev) ATH9K_INT_TX | \ ATH9K_INT_BMISS | \ ATH9K_INT_CST | \ + ATH9K_INT_GTT | \ ATH9K_INT_TSFOOR | \ ATH9K_INT_GENTIMER | \ ATH9K_INT_MCI) struct ath_softc *sc = dev; struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); enum ath9k_int status; u32 sync_cause = 0; bool sched = false; @@ -603,14 +626,12 @@ irqreturn_t ath_isr(int irq, void *dev) #ifdef CONFIG_ATH9K_WOW if (status & ATH9K_INT_BMISS) { if (atomic_read(&sc->wow_sleep_proc_intr) == 0) { - ath_dbg(common, ANY, "during WoW we got a BMISS\n"); atomic_inc(&sc->wow_got_bmiss_intr); atomic_dec(&sc->wow_sleep_proc_intr); } } #endif - if (status & ATH9K_INT_SWBA) tasklet_schedule(&sc->bcon_tasklet); @@ -735,7 +756,12 @@ static int ath9k_start(struct ieee80211_hw *hw) if (ah->config.hw_hang_checks & HW_BB_WATCHDOG) ah->imask |= ATH9K_INT_BB_WATCHDOG; - ah->imask |= ATH9K_INT_GTT; + /* + * Enable GTT interrupts only for AR9003/AR9004 chips + * for now. + */ + if (AR_SREV_9300_20_OR_LATER(ah)) + ah->imask |= ATH9K_INT_GTT; if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) ah->imask |= ATH9K_INT_CST; @@ -2111,7 +2137,7 @@ struct ieee80211_ops ath9k_ops = { .get_et_strings = ath9k_get_et_strings, #endif -#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS) +#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_STATION_STATISTICS) .sta_add_debugfs = ath9k_sta_add_debugfs, #endif .sw_scan_start = ath9k_sw_scan_start, |