static void ath9k_htc_stop(struct ieee80211_hw *hw) { struct ath9k_htc_priv *priv = hw->priv; struct ath_hw *ah = priv->ah; struct ath_common *common = ath9k_hw_common(ah); int ret = 0; u8 cmd_rsp; mutex_lock(&priv->mutex); if (priv->op_flags & OP_INVALID) { ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); mutex_unlock(&priv->mutex); return; } ath9k_htc_ps_wakeup(priv); htc_stop(priv->htc); WMI_CMD(WMI_DISABLE_INTR_CMDID); WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); WMI_CMD(WMI_STOP_RECV_CMDID); tasklet_kill(&priv->swba_tasklet); tasklet_kill(&priv->rx_tasklet); tasklet_kill(&priv->tx_tasklet); skb_queue_purge(&priv->tx_queue); mutex_unlock(&priv->mutex); /* Cancel all the running timers/work .. */ cancel_work_sync(&priv->fatal_work); cancel_work_sync(&priv->ps_work); cancel_delayed_work_sync(&priv->ath9k_led_blink_work); ath9k_htc_stop_ani(priv); ath9k_led_stop_brightness(priv); mutex_lock(&priv->mutex); if (ah->btcoex_hw.enabled) { ath9k_hw_btcoex_disable(ah); if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) ath_htc_cancel_btcoex_work(priv); } /* Remove a monitor interface if it's present. */ if (priv->ah->is_monitoring) ath9k_htc_remove_monitor_interface(priv); ath9k_hw_phy_disable(ah); ath9k_hw_disable(ah); ath9k_htc_ps_restore(priv); ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); priv->op_flags |= OP_INVALID; ath_dbg(common, ATH_DBG_CONFIG, "Driver halt\n"); mutex_unlock(&priv->mutex); }
static void ath9k_htc_stop(struct ieee80211_hw *hw) { struct ath9k_htc_priv *priv = hw->priv; struct ath_hw *ah = priv->ah; struct ath_common *common = ath9k_hw_common(ah); int ret __attribute__ ((unused)); u8 cmd_rsp; mutex_lock(&priv->mutex); if (test_bit(ATH_OP_INVALID, &common->op_flags)) { ath_dbg(common, ANY, "Device not present\n"); mutex_unlock(&priv->mutex); return; } ath9k_htc_ps_wakeup(priv); WMI_CMD(WMI_DISABLE_INTR_CMDID); WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); WMI_CMD(WMI_STOP_RECV_CMDID); tasklet_kill(&priv->rx_tasklet); del_timer_sync(&priv->tx.cleanup_timer); ath9k_htc_tx_drain(priv); ath9k_wmi_event_drain(priv); mutex_unlock(&priv->mutex); /* Cancel all the running timers/work .. */ cancel_work_sync(&priv->fatal_work); cancel_work_sync(&priv->ps_work); #ifdef CPTCFG_MAC80211_LEDS cancel_work_sync(&priv->led_work); #endif ath9k_htc_stop_ani(priv); mutex_lock(&priv->mutex); ath9k_htc_stop_btcoex(priv); /* Remove a monitor interface if it's present. */ if (priv->ah->is_monitoring) ath9k_htc_remove_monitor_interface(priv); ath9k_hw_phy_disable(ah); ath9k_hw_disable(ah); ath9k_htc_ps_restore(priv); ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); set_bit(ATH_OP_INVALID, &common->op_flags); ath_dbg(common, CONFIG, "Driver halt\n"); mutex_unlock(&priv->mutex); }
void ath9k_htc_radio_disable(struct ieee80211_hw *hw) { struct ath9k_htc_priv *priv = hw->priv; struct ath_hw *ah = priv->ah; struct ath_common *common = ath9k_hw_common(ah); int ret; u8 cmd_rsp; ath9k_htc_ps_wakeup(priv); /* Disable LED */ ath9k_hw_set_gpio(ah, ah->led_pin, 1); ath9k_hw_cfg_gpio_input(ah, ah->led_pin); WMI_CMD(WMI_DISABLE_INTR_CMDID); /* Stop TX */ ieee80211_stop_queues(hw); ath9k_htc_tx_drain(priv); WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID); /* Stop RX */ WMI_CMD(WMI_STOP_RECV_CMDID); /* Clear the WMI event queue */ ath9k_wmi_event_drain(priv); /* * The MIB counters have to be disabled here, * since the target doesn't do it. */ ath9k_hw_disable_mib_counters(ah); if (!ah->curchan) ah->curchan = ath9k_cmn_get_curchannel(hw, ah); /* Reset the HW */ ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); if (ret) { ath_err(common, "Unable to reset hardware; reset status %d (freq %u MHz)\n", ret, ah->curchan->channel); } /* Disable the PHY */ ath9k_hw_phy_disable(ah); ath9k_htc_ps_restore(priv); ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP); }