extern void vrc5477_irq_init(u32 base);
extern void mips_cpu_irq_init(u32 base);
-extern int setup_irq(unsigned int irq, struct irqaction *irqaction);
static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL };
void __init arch_init_irq(void)