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File: [Development] / linux-2.6-xfs / arch / ia64 / kernel / irq_lsapic.c (download)

Revision 1.1, Tue Dec 30 23:58:53 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN

Initial Import 2.6.0

/*
 * LSAPIC Interrupt Controller
 *
 * This takes care of interrupts that are generated by the CPU's
 * internal Streamlined Advanced Programmable Interrupt Controller
 * (LSAPIC), such as the ITC and IPI interrupts.
    *
 * Copyright (C) 1999 VA Linux Systems
 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
 * Copyright (C) 2000 Hewlett-Packard Co
 * Copyright (C) 2000 David Mosberger-Tang <davidm@hpl.hp.com>
 */

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

static unsigned int
lsapic_noop_startup (unsigned int irq)
{
	return 0;
}

static void
lsapic_noop (unsigned int irq)
{
	/* nuthing to do... */
}

struct hw_interrupt_type irq_type_ia64_lsapic = {
	.typename =	"LSAPIC",
	.startup =	lsapic_noop_startup,
	.shutdown =	lsapic_noop,
	.enable =	lsapic_noop,
	.disable =	lsapic_noop,
	.ack =		lsapic_noop,
	.end =		lsapic_noop,
	.set_affinity =	(void (*)(unsigned int, unsigned long)) lsapic_noop
};