modify 3c589_cs to be SMP safe
1. EL3WINDOW is always 1 when lock is not held.
2. The second argument of el3_interrupt is 'void *dev_id',
not 'struct el3_private *lp'.
Signed-off-by: komurojun-mbn@nifty.com
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c
index 342f406..461e827 100644
--- a/drivers/net/pcmcia/3c589_cs.c
+++ b/drivers/net/pcmcia/3c589_cs.c
@@ -606,11 +606,14 @@
{
kio_addr_t ioaddr = dev->base_addr;
struct el3_private *priv = netdev_priv(dev);
+ unsigned long flags;
DEBUG(3, "%s: el3_start_xmit(length = %ld) called, "
"status %4.4x.\n", dev->name, (long)skb->len,
inw(ioaddr + EL3_STATUS));
+ spin_lock_irqsave(&priv->lock, flags);
+
priv->stats.tx_bytes += skb->len;
/* Put out the doubleword header... */
@@ -628,6 +631,7 @@
dev_kfree_skb(skb);
pop_tx_status(dev);
+ spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
@@ -729,14 +733,13 @@
if (!netif_device_present(dev)) goto reschedule;
- EL3WINDOW(1);
/* Check for pending interrupt with expired latency timer: with
this, we can limp along even if the interrupt is blocked */
if ((inw(ioaddr + EL3_STATUS) & IntLatch) &&
(inb(ioaddr + EL3_TIMER) == 0xff)) {
if (!lp->fast_poll)
printk(KERN_WARNING "%s: interrupt(s) dropped!\n", dev->name);
- el3_interrupt(dev->irq, lp);
+ el3_interrupt(dev->irq, dev);
lp->fast_poll = HZ;
}
if (lp->fast_poll) {