iwlwifi: mvm: allow to collect debug data when restart is disabled

In some testing configuration, the firmware restart flow is
not enabled. Allow to collect logs even in this case.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 9710084ad28..f887779717d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -366,6 +366,8 @@ static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg)
 	return 0;
 }
 
+static void iwl_mvm_fw_error_dump_wk(struct work_struct *work);
+
 static struct iwl_op_mode *
 iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		      const struct iwl_fw *fw, struct dentry *dbgfs_dir)
@@ -433,6 +435,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 	INIT_WORK(&mvm->roc_done_wk, iwl_mvm_roc_done_wk);
 	INIT_WORK(&mvm->sta_drained_wk, iwl_mvm_sta_drained_wk);
 	INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work);
+	INIT_WORK(&mvm->fw_error_dump_wk, iwl_mvm_fw_error_dump_wk);
 
 	spin_lock_init(&mvm->d0i3_tx_lock);
 	spin_lock_init(&mvm->refs_lock);
@@ -784,6 +787,16 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk)
 	module_put(THIS_MODULE);
 }
 
+static void iwl_mvm_fw_error_dump_wk(struct work_struct *work)
+{
+	struct iwl_mvm *mvm =
+		container_of(work, struct iwl_mvm, fw_error_dump_wk);
+
+	mutex_lock(&mvm->mutex);
+	iwl_mvm_fw_error_dump(mvm);
+	mutex_unlock(&mvm->mutex);
+}
+
 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
 {
 	iwl_abort_notification_waits(&mvm->notif_wait);
@@ -849,6 +862,8 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
 		if (fw_error && mvm->restart_fw > 0)
 			mvm->restart_fw--;
 		ieee80211_restart_hw(mvm->hw);
+	} else if (fw_error) {
+		schedule_work(&mvm->fw_error_dump_wk);
 	}
 }