diff --git a/drivers/net/wireless/cnss2/pci.c b/drivers/net/wireless/cnss2/pci.c
index fbd1584cc233..a13830d7c9a3 100644
--- a/drivers/net/wireless/cnss2/pci.c
+++ b/drivers/net/wireless/cnss2/pci.c
@@ -1685,7 +1685,9 @@ static void cnss_pci_time_sync_work_hdlr(struct work_struct *work)
 	if (cnss_pci_pm_runtime_get_sync(pci_priv, RTPM_ID_CNSS) < 0)
 		goto runtime_pm_put;
 
+	mutex_lock(&pci_priv->bus_lock);
 	cnss_pci_update_timestamp(pci_priv);
+	mutex_unlock(&pci_priv->bus_lock);
 	schedule_delayed_work(&pci_priv->time_sync_work,
 			      msecs_to_jiffies(time_sync_period_ms));
 
@@ -2791,7 +2793,9 @@ static int cnss_pci_suspend(struct device *dev)
 		goto clear_flag;
 
 	if (!pci_priv->disable_pc) {
+		mutex_lock(&pci_priv->bus_lock);
 		ret = cnss_pci_suspend_bus(pci_priv);
+		mutex_unlock(&pci_priv->bus_lock);
 		if (ret)
 			goto resume_driver;
 	}