From: Jesse Huang <[email protected]>
Change Logs:
- Correct initial and close hardware step.
Signed-off-by: Jesse Huang <[email protected]>
---
drivers/net/sundance.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
419599b10f1253ccd7224bbd369924307e1e5bb6
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index dd41ee2..04ad4d8 100755
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -787,6 +787,7 @@ static int netdev_open(struct net_device
{
struct netdev_private *np = netdev_priv(dev);
void __iomem *ioaddr = np->base;
+ unsigned long flags;
int i;
/* Do we need to reset the chip??? */
@@ -831,6 +832,10 @@ #endif
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))
@@ -1656,6 +1661,9 @@ static int netdev_close(struct net_devic
/* 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);
--
1.3.GIT