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

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
......@@ -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 */
ctrl_outl(intr_status, ioaddr + EESR);
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;
......
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