diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c
index c0a2f5a..d5b6471 100644
--- a/drivers/tty/synclink_gt.c
+++ b/drivers/tty/synclink_gt.c
@@ -1493,7 +1493,7 @@
 	dev->stats.tx_bytes += skb->len;
 
 	/* save start time for transmit timeout detection */
-	dev->trans_start = jiffies;
+	netif_trans_update(dev);
 
 	spin_lock_irqsave(&info->lock, flags);
 	tx_load(info, skb->data, skb->len);
@@ -1552,7 +1552,7 @@
 	program_hw(info);
 
 	/* enable network layer transmit */
-	dev->trans_start = jiffies;
+	netif_trans_update(dev);
 	netif_start_queue(dev);
 
 	/* inform generic HDLC layer of current DCD status */