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OpenCloudOS-Kernel
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mv643xx: Clear pending interrupts before calling request_irq 

Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Acked-by: Giridhar Pemmasani <pgiri@yahoo.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Dale Farnsworth 2007-03-07 22:21:23 -07:00 committed by Jeff Garzik
parent 276e26c316
commit 85cf572cd5
1 changed files with 6 additions and 4 deletions
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10
drivers/net/mv643xx_eth.c
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@ -787,6 +787,12 @@ static int mv643xx_eth_open(struct net_device *dev)
unsigned int size;
int err;
/* Clear any pending ethernet port interrupts */
mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
/* wait for previous write to complete */
mv_read (MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num));
err = request_irq(dev->irq, mv643xx_eth_int_handler,
IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
if (err) {
@ -875,10 +881,6 @@ static int mv643xx_eth_open(struct net_device *dev)
mv643xx_eth_rx_refill_descs(dev); /* Fill RX ring with skb's */
/* Clear any pending ethernet port interrupts */
mv_write(MV643XX_ETH_INTERRUPT_CAUSE_REG(port_num), 0);
mv_write(MV643XX_ETH_INTERRUPT_CAUSE_EXTEND_REG(port_num), 0);
eth_port_start(dev);
/* Interrupt Coalescing */