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path: root/drivers/net/sundance.c
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Diffstat (limited to 'drivers/net/sundance.c')
-rw-r--r--drivers/net/sundance.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index 91cd2f52e628..fba64d39ba19 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -788,6 +788,7 @@ static int netdev_open(struct net_device *dev)
{
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 @@ static int netdev_open(struct net_device *dev)
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 @@ static int netdev_close(struct net_device *dev)
/* 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);