diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
index f8626dfd192ea..d5cf31529dbf9 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
@@ -598,7 +598,7 @@ static void write_mbox_msg_attr(struct hinic_mbox_func_to_func *func_to_func,
 			     HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF, mbox_ctrl);
 }
 
-void dump_mox_reg(struct hinic_hwdev *hwdev)
+static void dump_mox_reg(struct hinic_hwdev *hwdev)
 {
 	u32 val;