ethoc: clear only pending irqs
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>
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@ -508,7 +508,7 @@ static irqreturn_t ethoc_interrupt(int irq, void *dev_id)
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return IRQ_NONE;
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}
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ethoc_ack_irq(priv, INT_MASK_ALL);
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ethoc_ack_irq(priv, pending);
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if (pending & INT_MASK_BUSY) {
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dev_err(&dev->dev, "packet dropped\n");
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