linux/arch/ia64/kernel/irq_lsapic.c
Ingo Molnar c0ad90a32f [PATCH] genirq: add ->retrigger() irq op to consolidate hw_irq_resend()
Add ->retrigger() irq op to consolidate hw_irq_resend() implementations.
(Most architectures had it defined to NOP anyway.)

NOTE: ia64 needs testing. i386 and x86_64 tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-29 10:26:23 -07:00

46 lines
973 B
C

/*
* 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... */
}
static int lsapic_retrigger(unsigned int irq)
{
ia64_resend_irq(irq);
return 1;
}
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,
.retrigger = lsapic_retrigger,
};