diff --git a/drivers/net/wireless/ath/ath11k/mhi.c b/drivers/net/wireless/ath/ath11k/mhi.c
index f994233df2bb..a6c9ff112c68 100644
--- a/drivers/net/wireless/ath/ath11k/mhi.c
+++ b/drivers/net/wireless/ath/ath11k/mhi.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: BSD-3-Clause-Clear
 /*
  * Copyright (c) 2020 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
  */
 
 #include <linux/msi.h>
@@ -282,8 +282,10 @@ static void ath11k_mhi_op_status_cb(struct mhi_controller *mhi_cntrl,
 			break;
 		}
 
+		spin_lock_bh(&ab->base_lock);
 		if (!(test_bit(ATH11K_FLAG_UNREGISTERING, &ab->dev_flags)))
 			queue_work(ab->workqueue_aux, &ab->reset_work);
+		spin_unlock_bh(&ab->base_lock);
 
 		break;
 	default:
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c
index 7114eca8810d..35bb9e7a63a2 100644
--- a/drivers/net/wireless/ath/ath11k/pci.c
+++ b/drivers/net/wireless/ath/ath11k/pci.c
@@ -1210,6 +1210,14 @@ static void ath11k_pci_shutdown(struct pci_dev *pdev)
 	struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
 
 	ath11k_pci_set_irq_affinity_hint(ab_pci, NULL);
+
+	spin_lock_bh(&ab->base_lock);
+	set_bit(ATH11K_FLAG_UNREGISTERING, &ab->dev_flags);
+	spin_unlock_bh(&ab->base_lock);
+
+	cancel_work_sync(&ab->reset_work);
+	cancel_work_sync(&ab->dump_work);
+
 	ath11k_pci_power_down(ab, false);
 }