arch/mips/sgi/kernel/time.c

   1 /*
   2  * time.c: Generic SGI handler for (spurious) 8254 interrupts
   3  *
   4  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
   5  */
   6 #include <linux/interrupt.h>
   7 #include <linux/kernel_stat.h>
   8 #include <asm/sgialib.h>
   9
  10 void indy_8254timer_irq(void)
  11 {
  12         int cpu = smp_processor_id();
  13         int irq = 4;
  14
  15         irq_enter(cpu);
  16         kstat.irqs[0][irq]++;
  17         printk("indy_8254timer_irq: Whoops, should not have gotten this IRQ\n");
  18         prom_getchar();
  19         prom_imode();
  20         irq_exit(cpu);
  21 }