mv643xx: Clear pending interrupts before calling request_irq (85cf572c) · Commits · 戴 / test

drivers/net/mv643xx_eth.c

+6 −4

Original line number	Diff line number	Diff line
		@@ -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 */