diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 129b6bdf9ef90be7b54f1729705686b963b66d8e..82ca7f8b1bb2792eb5b820874c0e821e2e7790a2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -3092,8 +3092,14 @@ static void iwl_mvm_d3_disconnect_iter(void *data, u8 *mac, ieee80211_resume_disconnect(vif); } -static bool iwl_mvm_check_rt_status(struct iwl_mvm *mvm, - struct ieee80211_vif *vif) +enum rt_status { + FW_ALIVE, + FW_NEEDS_RESET, + FW_ERROR, +}; + +static enum rt_status iwl_mvm_check_rt_status(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) { u32 err_id; @@ -3101,29 +3107,35 @@ static bool iwl_mvm_check_rt_status(struct iwl_mvm *mvm, if (iwl_fwrt_read_err_table(mvm->trans, mvm->trans->dbg.lmac_error_event_table[0], &err_id)) { - if (err_id == RF_KILL_INDICATOR_FOR_WOWLAN && vif) { - struct cfg80211_wowlan_wakeup wakeup = { - .rfkill_release = true, - }; - ieee80211_report_wowlan_wakeup(vif, &wakeup, - GFP_KERNEL); + if (err_id == RF_KILL_INDICATOR_FOR_WOWLAN) { + IWL_WARN(mvm, "Rfkill was toggled during suspend\n"); + if (vif) { + struct cfg80211_wowlan_wakeup wakeup = { + .rfkill_release = true, + }; + + ieee80211_report_wowlan_wakeup(vif, &wakeup, + GFP_KERNEL); + } + + return FW_NEEDS_RESET; } - return true; + return FW_ERROR; } /* check if we have lmac2 set and check for error */ if (iwl_fwrt_read_err_table(mvm->trans, mvm->trans->dbg.lmac_error_event_table[1], NULL)) - return true; + return FW_ERROR; /* check for umac error */ if (iwl_fwrt_read_err_table(mvm->trans, mvm->trans->dbg.umac_error_event_table, NULL)) - return true; + return FW_ERROR; - return false; + return FW_ALIVE; } /* @@ -3492,6 +3504,7 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) bool d0i3_first = fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_D0I3_END_FIRST); bool resume_notif_based = iwl_mvm_d3_resume_notif_based(mvm); + enum rt_status rt_status; bool keep = false; mutex_lock(&mvm->mutex); @@ -3515,14 +3528,19 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt); - if (iwl_mvm_check_rt_status(mvm, vif)) { - IWL_ERR(mvm, "FW Error occurred during suspend. Restarting.\n"); + rt_status = iwl_mvm_check_rt_status(mvm, vif); + if (rt_status != FW_ALIVE) { set_bit(STATUS_FW_ERROR, &mvm->trans->status); - iwl_mvm_dump_nic_error_log(mvm); - iwl_dbg_tlv_time_point(&mvm->fwrt, - IWL_FW_INI_TIME_POINT_FW_ASSERT, NULL); - iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, - false, 0); + if (rt_status == FW_ERROR) { + IWL_ERR(mvm, "FW Error occurred during suspend. Restarting.\n"); + iwl_mvm_dump_nic_error_log(mvm); + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_FW_ASSERT, + NULL); + iwl_fw_dbg_collect_desc(&mvm->fwrt, + &iwl_dump_desc_assert, + false, 0); + } ret = 1; goto err; } @@ -3679,6 +3697,7 @@ int iwl_mvm_fast_resume(struct iwl_mvm *mvm) .notif_expected = IWL_D3_NOTIF_D3_END_NOTIF, }; + enum rt_status rt_status; int ret; lockdep_assert_held(&mvm->mutex); @@ -3688,14 +3707,20 @@ int iwl_mvm_fast_resume(struct iwl_mvm *mvm) mvm->last_reset_or_resume_time_jiffies = jiffies; iwl_fw_dbg_read_d3_debug_data(&mvm->fwrt); - if (iwl_mvm_check_rt_status(mvm, NULL)) { - IWL_ERR(mvm, "FW Error occurred during suspend. Restarting.\n"); + rt_status = iwl_mvm_check_rt_status(mvm, NULL); + if (rt_status != FW_ALIVE) { set_bit(STATUS_FW_ERROR, &mvm->trans->status); - iwl_mvm_dump_nic_error_log(mvm); - iwl_dbg_tlv_time_point(&mvm->fwrt, - IWL_FW_INI_TIME_POINT_FW_ASSERT, NULL); - iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, - false, 0); + if (rt_status == FW_ERROR) { + IWL_ERR(mvm, + "iwl_mvm_check_rt_status failed, device is gone during suspend\n"); + iwl_mvm_dump_nic_error_log(mvm); + iwl_dbg_tlv_time_point(&mvm->fwrt, + IWL_FW_INI_TIME_POINT_FW_ASSERT, + NULL); + iwl_fw_dbg_collect_desc(&mvm->fwrt, + &iwl_dump_desc_assert, + false, 0); + } mvm->trans->state = IWL_TRANS_NO_FW; ret = -ENODEV;