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ns83820: Use helper to disable chip interrupts 

Use helper routine to disable chip interrupts.

Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis Kirjanov 2010-08-30 21:19:15 +00:00 committed by David S. Miller
parent 875168a933
commit 1a9f28c8f9
1 changed files with 11 additions and 14 deletions
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25
drivers/net/ns83820.c
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@ -1405,6 +1405,13 @@ static const struct ethtool_ops ops = {
.get_link = ns83820_get_link
};
static inline void ns83820_disable_interrupts(struct ns83820 *dev)
{
writel(0, dev->base + IMR);
writel(0, dev->base + IER);
readl(dev->base + IER);
}
/* this function is called in irq context from the ISR */
static void ns83820_mib_isr(struct ns83820 *dev)
{
@ -1557,10 +1564,7 @@ static int ns83820_stop(struct net_device *ndev)
/* FIXME: protect against interrupt handler? */
del_timer_sync(&dev->tx_watchdog);
/* disable interrupts */
writel(0, dev->base + IMR);
writel(0, dev->base + IER);
readl(dev->base + IER);
ns83820_disable_interrupts(dev);
dev->rx_info.up = 0;
synchronize_irq(dev->pci_dev->irq);
@ -2023,10 +2027,7 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev,
dev->tx_descs, (long)dev->tx_phy_descs,
dev->rx_info.descs, (long)dev->rx_info.phy_descs);
/* disable interrupts */
writel(0, dev->base + IMR);
writel(0, dev->base + IER);
readl(dev->base + IER);
ns83820_disable_interrupts(dev);
dev->IMR_cache = 0;
@ -2250,9 +2251,7 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev,
return 0;
out_cleanup:
writel(0, dev->base + IMR); /* paranoia */
writel(0, dev->base + IER);
readl(dev->base + IER);
ns83820_disable_interrupts(dev); /* paranoia */
out_free_irq:
rtnl_unlock();
free_irq(pci_dev->irq, ndev);
@ -2277,9 +2276,7 @@ static void __devexit ns83820_remove_one(struct pci_dev *pci_dev)
if (!ndev) /* paranoia */
return;
writel(0, dev->base + IMR); /* paranoia */
writel(0, dev->base + IER);
readl(dev->base + IER);
ns83820_disable_interrupts(dev); /* paranoia */
unregister_netdev(ndev);
free_irq(dev->pci_dev->irq, ndev);