static irqreturn_t irq_handler(int irq, void *device, struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *) device;
u16 ival;
/* in case we're not meant... */
if (!(inb(dev->base_addr + BCMREG) & BCMREG_IPEND))
return IRQ_NONE;
/* loop through the interrupt bits until everything is clear */
while (1) {
ival = inw(dev->base_addr + SONIC_ISREG);
if (ival & ISREG_RBE) {
irqrbe_handler(dev);
outw(ISREG_RBE, dev->base_addr + SONIC_ISREG);
}
if (ival & ISREG_PKTRX) {
irqrx_handler(dev);
outw(ISREG_PKTRX, dev->base_addr + SONIC_ISREG);
}
if (ival & ISREG_TXDN) {
irqtx_handler(dev);
outw(ISREG_TXDN, dev->base_addr + SONIC_ISREG);
}
if (ival & ISREG_TXER) {
irqtxerr_handler(dev);
outw(ISREG_TXER, dev->base_addr + SONIC_ISREG);
}
break;
}
return IRQ_HANDLED;
}
static void irq_handler(int irq, void *device, struct pt_regs *regs)
{
struct IBMLANA_NETDEV *dev = (struct IBMLANA_NETDEV *) device;
u16 ival;
/* in case we're not meant... */
if (!(inb(dev->base_addr + BCMREG) & BCMREG_IPEND))
return;
#if (LINUX_VERSION_CODE >= 0x02032a)
#if 0
set_bit(LINK_STATE_RXSEM, &dev->state);
#endif
#else
dev->interrupt = 1;
#endif
/* loop through the interrupt bits until everything is clear */
while (1) {
ival = inw(dev->base_addr + SONIC_ISREG);
if (ival & ISREG_RBE) {
irqrbe_handler(dev);
outw(ISREG_RBE, dev->base_addr + SONIC_ISREG);
}
if (ival & ISREG_PKTRX) {
irqrx_handler(dev);
outw(ISREG_PKTRX, dev->base_addr + SONIC_ISREG);
}
if (ival & ISREG_TXDN) {
irqtx_handler(dev);
outw(ISREG_TXDN, dev->base_addr + SONIC_ISREG);
}
if (ival & ISREG_TXER) {
irqtxerr_handler(dev);
outw(ISREG_TXER, dev->base_addr + SONIC_ISREG);
}
break;
}
#if (LINUX_VERSION_CODE >= 0x02032a)
#if 0
clear_bit(LINK_STATE_RXSEM, &dev->state);
#endif
#else
dev->interrupt = 0;
#endif
}