diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index 91cd2f5..fba64d3 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -788,6 +788,7 @@
 {
 	struct netdev_private *np = netdev_priv(dev);
 	void __iomem *ioaddr = np->base;
+	unsigned long flags;
 	int i;
 
 	/* Do we need to reset the chip??? */
@@ -832,6 +833,10 @@
 		iowrite8(0x01, ioaddr + DebugCtrl1);
 	netif_start_queue(dev);
 
+	spin_lock_irqsave(&np->lock, flags);
+	reset_tx(dev);
+	spin_unlock_irqrestore(&np->lock, flags);
+
 	iowrite16 (StatsEnable | RxEnable | TxEnable, ioaddr + MACCtrl1);
 
 	if (netif_msg_ifup(np))
@@ -1651,6 +1656,9 @@
 	/* Disable interrupts by clearing the interrupt mask. */
 	iowrite16(0x0000, ioaddr + IntrEnable);
 
+	/* Disable Rx and Tx DMA for safely release resource */
+	iowrite32(0x500, ioaddr + DMACtrl);
+
 	/* Stop the chip's Tx and Rx processes. */
 	iowrite16(TxDisable | RxDisable | StatsDisable, ioaddr + MACCtrl1);