[PATCH 3/4] IP100A: Correct initial and close hardware step. 2006-08-24
From: Jesse Huang <hidden>
Date: 2006-08-24 08:01:34
Also in:
lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Jesse Huang <redacted> Change Logs: - Correct initial and close hardware step. Signed-off-by: Jesse Huang <redacted> --- 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