diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 137 |
1 files changed, 69 insertions, 68 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index e944eadd677d..9ff73e007d34 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -596,74 +596,6 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta) ath_tx_node_cleanup(sc, an); } -void ath_hw_check(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - unsigned long flags; - int busy; - - ath9k_ps_wakeup(sc); - if (ath9k_hw_check_alive(sc->sc_ah)) - goto out; - - spin_lock_irqsave(&common->cc_lock, flags); - busy = ath_update_survey_stats(sc); - spin_unlock_irqrestore(&common->cc_lock, flags); - - ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " - "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); - if (busy >= 99) { - if (++sc->hw_busy_count >= 3) { - spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); - spin_unlock_bh(&sc->sc_pcu_lock); - } - } else if (busy >= 0) - sc->hw_busy_count = 0; - -out: - ath9k_ps_restore(sc); -} - -static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) -{ - static int count; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - - if (pll_sqsum >= 0x40000) { - count++; - if (count == 3) { - /* Rx is hung for more than 500ms. Reset it */ - ath_dbg(common, ATH_DBG_RESET, - "Possible RX hang, resetting"); - spin_lock_bh(&sc->sc_pcu_lock); - ath_reset(sc, true); - spin_unlock_bh(&sc->sc_pcu_lock); - count = 0; - } - } else - count = 0; -} - -void ath_hw_pll_work(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, - hw_pll_work.work); - u32 pll_sqsum; - - if (AR_SREV_9485(sc->sc_ah)) { - - ath9k_ps_wakeup(sc); - pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); - ath9k_ps_restore(sc); - - ath_hw_pll_rx_hang_check(sc, pll_sqsum); - - ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); - } -} - void ath9k_tasklet(unsigned long data) { @@ -1037,6 +969,75 @@ int ath_reset(struct ath_softc *sc, bool retry_tx) return r; } +void ath_hw_check(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + unsigned long flags; + int busy; + + ath9k_ps_wakeup(sc); + if (ath9k_hw_check_alive(sc->sc_ah)) + goto out; + + spin_lock_irqsave(&common->cc_lock, flags); + busy = ath_update_survey_stats(sc); + spin_unlock_irqrestore(&common->cc_lock, flags); + + ath_dbg(common, ATH_DBG_RESET, "Possible baseband hang, " + "busy=%d (try %d)\n", busy, sc->hw_busy_count + 1); + if (busy >= 99) { + if (++sc->hw_busy_count >= 3) { + spin_lock_bh(&sc->sc_pcu_lock); + ath_reset(sc, true); + spin_unlock_bh(&sc->sc_pcu_lock); + } + + } else if (busy >= 0) + sc->hw_busy_count = 0; + +out: + ath9k_ps_restore(sc); +} + +static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) +{ + static int count; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + + if (pll_sqsum >= 0x40000) { + count++; + if (count == 3) { + /* Rx is hung for more than 500ms. Reset it */ + ath_dbg(common, ATH_DBG_RESET, + "Possible RX hang, resetting"); + spin_lock_bh(&sc->sc_pcu_lock); + ath_reset(sc, true); + spin_unlock_bh(&sc->sc_pcu_lock); + count = 0; + } + } else + count = 0; +} + +void ath_hw_pll_work(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, + hw_pll_work.work); + u32 pll_sqsum; + + if (AR_SREV_9485(sc->sc_ah)) { + + ath9k_ps_wakeup(sc); + pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); + ath9k_ps_restore(sc); + + ath_hw_pll_rx_hang_check(sc, pll_sqsum); + + ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); + } +} + /**********************/ /* mac80211 callbacks */ /**********************/ |