[mirror_ubuntu-artful-kernel.git] / arch / ia64 / hp / sim / hpsim_irq.c

/*
 * Platform dependent support for HP simulator.
 *
 * Copyright (C) 1998-2001 Hewlett-Packard Co
 * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com>
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/irq.h>

static unsigned int
hpsim_irq_startup(struct irq_data *data)
{
	return 0;
}

static void
hpsim_irq_noop(struct irq_data *data)
{
}

static int
hpsim_set_affinity_noop(struct irq_data *d, const struct cpumask *b, bool f)
{
	return 0;
}

static struct irq_chip irq_type_hp_sim = {
	.name =			"hpsim",
	.irq_startup =		hpsim_irq_startup,
	.irq_shutdown =		hpsim_irq_noop,
	.irq_enable =		hpsim_irq_noop,
	.irq_disable =		hpsim_irq_noop,
	.irq_ack =		hpsim_irq_noop,
	.irq_set_affinity =	hpsim_set_affinity_noop,
};

void __init
hpsim_irq_init (void)
{
	int i;

	for_each_active_irq(i) {
		struct irq_chip *chip = irq_get_chip(i);

		if (chip == &no_irq_chip)
			irq_set_chip(i, &irq_type_hp_sim);
	}
}
Commit	Line	Data
1da177e4 LT	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
	13	static unsigned int
35d75b0e	14	hpsim_irq_startup(struct irq_data *data)
1da177e4 LT	15	{
	16	return 0;
	17	}
	18
	19	static void
35d75b0e	20	hpsim_irq_noop(struct irq_data *data)
1da177e4 LT	21	{
	22	}
	23
d5dedd45	24	static int
35d75b0e	25	hpsim_set_affinity_noop(struct irq_data d, const struct cpumask b, bool f)
1da177e4	26	{
d5dedd45	27	return 0;
1da177e4 LT	28	}
1da177e4 LT	29
fb824f48	30	static struct irq_chip irq_type_hp_sim = {
35d75b0e TG	31	.name = "hpsim",
	32	.irq_startup = hpsim_irq_startup,
	33	.irq_shutdown = hpsim_irq_noop,
	34	.irq_enable = hpsim_irq_noop,
	35	.irq_disable = hpsim_irq_noop,
	36	.irq_ack = hpsim_irq_noop,
	37	.irq_set_affinity = hpsim_set_affinity_noop,
1da177e4 LT	38	};
	39
	40	void __init
	41	hpsim_irq_init (void)
	42	{
1da177e4 LT	43	int i;
1da177e4 LT	44
4a983ed4	45	for_each_active_irq(i) {
53c909c9	46	struct irq_chip *chip = irq_get_chip(i);
4a983ed4 TG	47
4a983ed4 TG	48	if (chip == &no_irq_chip)
53c909c9	49	irq_set_chip(i, &irq_type_hp_sim);
1da177e4 LT	50	}
1da177e4 LT	51	}