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| author | Komuro <komurojun-mbn@nifty.com> | 2006-12-02 11:53:27 +0900 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-01-23 00:19:12 -0500 |
| commit | d08d283974f96cb30d78ba24282a0a7d6709af32 (patch) | |
| tree | da3db84b381da3bdf7e7c1594dbd48dc151131b0 /drivers/net/pcmcia | |
| parent | 2596627c5c30b45aa206b7b1b864bf00de3c3503 (diff) | |
| download | kernel_samsung_smdk4412-d08d283974f96cb30d78ba24282a0a7d6709af32.zip kernel_samsung_smdk4412-d08d283974f96cb30d78ba24282a0a7d6709af32.tar.gz kernel_samsung_smdk4412-d08d283974f96cb30d78ba24282a0a7d6709af32.tar.bz2 | |
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>
Diffstat (limited to 'drivers/net/pcmcia')
| -rw-r--r-- | drivers/net/pcmcia/3c589_cs.c | 7 |
1 files changed, 5 insertions, 2 deletions
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 @@ 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) { |