1/* 2 * Platform dependent support for HP simulator. 3 * 4 * Copyright (C) 1998-2001 Hewlett-Packard Co 5 * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com> 6 */ 7 8#include <linux/init.h> 9#include <linux/kernel.h> 10#include <linux/sched.h> 11#include <linux/irq.h> 12 13static unsigned int 14hpsim_irq_startup (unsigned int irq) 15{ 16 return 0; 17} 18 19static void 20hpsim_irq_noop (unsigned int irq) 21{ 22} 23 24static struct hw_interrupt_type irq_type_hp_sim = { 25 typename: "hpsim", 26 startup: hpsim_irq_startup, 27 shutdown: hpsim_irq_noop, 28 enable: hpsim_irq_noop, 29 disable: hpsim_irq_noop, 30 ack: hpsim_irq_noop, 31 end: hpsim_irq_noop, 32 set_affinity: (void (*)(unsigned int, unsigned long)) hpsim_irq_noop, 33}; 34 35void __init 36hpsim_irq_init (void) 37{ 38 irq_desc_t *idesc; 39 int i; 40 41 for (i = 0; i < NR_IRQS; ++i) { 42 idesc = irq_desc(i); 43 if (idesc->handler == &no_irq_type) 44 idesc->handler = &irq_type_hp_sim; 45 } 46} 47