blob: 17e5832fe0dcf12d08871f2a863f7b7613dd91b0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* 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 hw_interrupt_type 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)
{
irq_desc_t *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;
}
}
|
