From d08d283974f96cb30d78ba24282a0a7d6709af32 Mon Sep 17 00:00:00 2001 From: Komuro Date: Sat, 2 Dec 2006 11:53:27 +0900 Subject: 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 --- drivers/net/pcmcia/3c589_cs.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/net/pcmcia') diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index 342f4062de0b..461e8274ef69 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -606,11 +606,14 @@ static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev) { 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 @@ static int el3_start_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); pop_tx_status(dev); + spin_unlock_irqrestore(&priv->lock, flags); return 0; } @@ -729,14 +733,13 @@ static void media_check(unsigned long arg) 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) { -- cgit v1.2.1