diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c
index 7677c74..91ada52 100644
--- a/drivers/net/ethernet/3com/3c509.c
+++ b/drivers/net/ethernet/3com/3c509.c
@@ -699,7 +699,7 @@
 		dev->name, inb(ioaddr + TX_STATUS), inw(ioaddr + EL3_STATUS),
 		inw(ioaddr + TX_FREE));
 	dev->stats.tx_errors++;
-	dev->trans_start = jiffies; /* prevent tx timeout */
+	netif_trans_update(dev); /* prevent tx timeout */
 	/* Issue TX_RESET and TX_START commands. */
 	outw(TxReset, ioaddr + EL3_CMD);
 	outw(TxEnable, ioaddr + EL3_CMD);
diff --git a/drivers/net/ethernet/3com/3c515.c b/drivers/net/ethernet/3com/3c515.c
index 942fb0d..b26e038 100644
--- a/drivers/net/ethernet/3com/3c515.c
+++ b/drivers/net/ethernet/3com/3c515.c
@@ -992,7 +992,7 @@
 		if (!(inw(ioaddr + EL3_STATUS) & CmdInProgress))
 			break;
 	outw(TxEnable, ioaddr + EL3_CMD);
-	dev->trans_start = jiffies; /* prevent tx timeout */
+	netif_trans_update(dev); /* prevent tx timeout */
 	dev->stats.tx_errors++;
 	dev->stats.tx_dropped++;
 	netif_wake_queue(dev);
diff --git a/drivers/net/ethernet/3com/3c574_cs.c b/drivers/net/ethernet/3com/3c574_cs.c
index b9948f0..b88afd7 100644
--- a/drivers/net/ethernet/3com/3c574_cs.c
+++ b/drivers/net/ethernet/3com/3c574_cs.c
@@ -700,7 +700,7 @@
 	netdev_notice(dev, "Transmit timed out!\n");
 	dump_status(dev);
 	dev->stats.tx_errors++;
-	dev->trans_start = jiffies; /* prevent tx timeout */
+	netif_trans_update(dev); /* prevent tx timeout */
 	/* Issue TX_RESET and TX_START commands. */
 	tc574_wait_for_completion(dev, TxReset);
 	outw(TxEnable, ioaddr + EL3_CMD);
diff --git a/drivers/net/ethernet/3com/3c589_cs.c b/drivers/net/ethernet/3com/3c589_cs.c
index c5a3205..71396e4 100644
--- a/drivers/net/ethernet/3com/3c589_cs.c
+++ b/drivers/net/ethernet/3com/3c589_cs.c
@@ -534,7 +534,7 @@
 	netdev_warn(dev, "Transmit timed out!\n");
 	dump_status(dev);
 	dev->stats.tx_errors++;
-	dev->trans_start = jiffies; /* prevent tx timeout */
+	netif_trans_update(dev); /* prevent tx timeout */
 	/* Issue TX_RESET and TX_START commands. */
 	tc589_wait_for_completion(dev, TxReset);
 	outw(TxEnable, ioaddr + EL3_CMD);
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index d81fced..25c55ab 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -1944,7 +1944,7 @@
 	}
 	/* Issue Tx Enable */
 	iowrite16(TxEnable, ioaddr + EL3_CMD);
-	dev->trans_start = jiffies; /* prevent tx timeout */
+	netif_trans_update(dev); /* prevent tx timeout */
 }
 
 /*