Commit 0e0fde3c authored by Nobuhiro Iwamatsu's avatar Nobuhiro Iwamatsu Committed by David S. Miller
Browse files

sh_eth: Change handling of IRQ 



Handling of IRQ of the SH7763/SH7764 CPU which sh_eth supported was
changed.
This revises it for this change.

Signed-off-by: default avatarNobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2bad35b7

drivers/net/sh_eth.c

+17 −3
Original line number Diff line number Diff line
@@ -687,6 +687,7 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) 
{

	struct net_device *ndev = netdev;

	struct sh_eth_private *mdp = netdev_priv(ndev);

	irqreturn_t ret = IRQ_NONE;

	u32 ioaddr, boguscnt = RX_RING_SIZE;

	u32 intr_status = 0;
@@ -696,7 +697,13 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) 
	/* Get interrpt stat */

	intr_status = ctrl_inl(ioaddr + EESR);

	/* Clear interrupt */

	if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF |

			EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF |

			TX_CHECK | EESR_ERR_CHECK)) {

		ctrl_outl(intr_status, ioaddr + EESR);

		ret = IRQ_HANDLED;

	} else

		goto other_irq;



	if (intr_status & (EESR_FRC | /* Frame recv*/

			EESR_RMAF | /* Multi cast address recv*/
@@ -723,9 +730,10 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) 
		       ndev->name, intr_status);

	}



other_irq:

	spin_unlock(&mdp->lock);



	return IRQ_HANDLED;

	return ret;

}



static void sh_eth_timer(unsigned long data)
@@ -844,7 +852,13 @@ static int sh_eth_open(struct net_device *ndev) 
	int ret = 0;

	struct sh_eth_private *mdp = netdev_priv(ndev);



	ret = request_irq(ndev->irq, &sh_eth_interrupt, 0, ndev->name, ndev);

	ret = request_irq(ndev->irq, &sh_eth_interrupt,

#if defined(CONFIG_CPU_SUBTYPE_SH7763) || defined(CONFIG_CPU_SUBTYPE_SH7764)

				IRQF_SHARED,

#else

				0,

#endif

				ndev->name, ndev);

	if (ret) {

		printk(KERN_ERR "Can not assign IRQ number to %s\n", CARDNAME);

		return ret;