diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index cdcbbb0e40cb3467d094cd49d939b3a77351c000..d23372e2a4a3d8d5d7572913feef6fcc11c18050 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -1239,10 +1239,10 @@ void qlcnic_83xx_register_nic_idc_func(struct qlcnic_adapter *adapter,
 
 	if (enable) {
 		qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INIT_NIC_FUNC);
-		cmd.req.arg[1] = 1 | BIT_0;
+		cmd.req.arg[1] = BIT_0 | BIT_31;
 	} else {
 		qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_STOP_NIC_FUNC);
-		cmd.req.arg[1] = 0 | BIT_0;
+		cmd.req.arg[1] = BIT_0 | BIT_31;
 	}
 	status = qlcnic_issue_cmd(adapter, &cmd);
 	if (status)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index f6470027d0fc2d461f3e2775851aab08d2433a9b..c53832b02b3ea22f9e2c050b464498a8067152db 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -585,6 +585,9 @@ static int qlcnic_83xx_idc_check_fan_failure(struct qlcnic_adapter *adapter)
 
 static int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter)
 {
+	/* register for NIC IDC AEN Events */
+	qlcnic_83xx_register_nic_idc_func(adapter, 1);
+
 	qlcnic_83xx_enable_mbx_intrpt(adapter);
 	if ((adapter->flags & QLCNIC_MSIX_ENABLED)) {
 		if (qlcnic_83xx_config_intrpt(adapter, 1)) {
@@ -2025,6 +2028,9 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter)
 	set_bit(QLC_83XX_MBX_READY, &adapter->ahw->idc.status);
 	qlcnic_83xx_clear_function_resources(adapter);
 
+	/* register for NIC IDC AEN Events */
+	qlcnic_83xx_register_nic_idc_func(adapter, 1);
+
 	if (!qlcnic_83xx_read_flash_descriptor_table(adapter))
 		qlcnic_83xx_read_flash_mfg_id(adapter);
 
@@ -2041,9 +2047,6 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter)
 
 	INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work);
 
-	/* register for NIC IDC AEN Events */
-	qlcnic_83xx_register_nic_idc_func(adapter, 1);
-
 	/* Periodically monitor device status */
 	qlcnic_83xx_idc_poll_dev_state(&adapter->fw_work.work);
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index d0aef32d0390f8bb0a40f2b49cc6815cda0b48b2..714124abf69a3513c3ba4cfd343f67b0de976c3c 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -1174,8 +1174,6 @@ qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
 
 	qlcnic_dev_set_npar_ready(adapter);
 
-	if (qlcnic_83xx_check(adapter))
-		qlcnic_83xx_register_nic_idc_func(adapter, 1);
 	return err;
 }
 
@@ -3063,6 +3061,8 @@ static int qlcnic_attach_func(struct pci_dev *pdev)
 	}
 
 	if (qlcnic_83xx_check(adapter)) {
+		/* register for NIC IDC AEN Events */
+		qlcnic_83xx_register_nic_idc_func(adapter, 1);
 		err = qlcnic_83xx_setup_mbx_intr(adapter);
 		if (err) {
 			dev_err(&adapter->pdev->dev,
@@ -3224,6 +3224,8 @@ int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data, size_t len)
 	}
 
 	if (qlcnic_83xx_check(adapter)) {
+		/* register for NIC IDC AEN Events */
+		qlcnic_83xx_register_nic_idc_func(adapter, 1);
 		err = qlcnic_83xx_setup_mbx_intr(adapter);
 		if (err) {
 			dev_err(&adapter->pdev->dev,