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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [ia64/] [hp/] [sim/] [hpsim_irq.c] - Rev 1765

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/*
 * 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 (unsigned int irq)
{
	return 0;
}
 
static void
hpsim_irq_noop (unsigned int irq)
{
}
 
static struct hw_interrupt_type irq_type_hp_sim = {
	.typename =	"hpsim",
	.startup =	hpsim_irq_startup,
	.shutdown =	hpsim_irq_noop,
	.enable =	hpsim_irq_noop,
	.disable =	hpsim_irq_noop,
	.ack =		hpsim_irq_noop,
	.end =		hpsim_irq_noop,
	.set_affinity =	(void (*)(unsigned int, unsigned long)) hpsim_irq_noop,
};
 
void __init
hpsim_irq_init (void)
{
	irq_desc_t *idesc;
	int i;
 
	for (i = 0; i < NR_IRQS; ++i) {
		idesc = irq_desc(i);
		if (idesc->handler == &no_irq_type)
			idesc->handler = &irq_type_hp_sim;
	}
}
 

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