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ethoc: clear only pending irqs

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This patch fixed the problem of dropped packets due to lost of
interrupt requests. We should only clear what was pending at the
moment we read the irq source reg.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Chou 2009-10-07 14:16:43 +00:00 committed by David S. Miller
parent 16dd18b083
commit 50c54a57df
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethoc.c
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@ -508,7 +508,7 @@ static irqreturn_t ethoc_interrupt(int irq, void *dev_id)
return IRQ_NONE;
}
ethoc_ack_irq(priv, INT_MASK_ALL);
ethoc_ack_irq(priv, pending);
if (pending & INT_MASK_BUSY) {
dev_err(&dev->dev, "packet dropped\n");