53 lines
963 B
C
53 lines
963 B
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 (unsigned int irq)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
hpsim_irq_noop (unsigned int irq)
|
|
{
|
|
}
|
|
|
|
static int
|
|
hpsim_set_affinity_noop(unsigned int a, const struct cpumask *b)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct irq_chip irq_type_hp_sim = {
|
|
.name = "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 = hpsim_set_affinity_noop,
|
|
};
|
|
|
|
void __init
|
|
hpsim_irq_init (void)
|
|
{
|
|
struct irq_desc *idesc;
|
|
int i;
|
|
|
|
for (i = 0; i < NR_IRQS; ++i) {
|
|
idesc = irq_desc + i;
|
|
if (idesc->chip == &no_irq_chip)
|
|
idesc->chip = &irq_type_hp_sim;
|
|
}
|
|
}
|