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authorThomas Chou <thomas@wytron.com.tw>2009-10-07 14:16:43 +0000
committerDavid S. Miller <davem@davemloft.net>2009-10-18 21:24:16 -0700
commit50c54a57dfbd392e17f1473717b8e125afcb01a3 (patch)
tree97a8cde6648329e3b4877c477ea89d1c51323b71
parent16dd18b0837dee46f1a6b0c01830c5f2b7187266 (diff)
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>
-rw-r--r--drivers/net/ethoc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index 88a1c522306..590473afb3d 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -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");