blob: 352cb978f51d9d051aac354e72d8d550158f97d2 [file] [log] [blame]
/*
* 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
};