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