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authorTejun Heo <tj@kernel.org>2011-05-24 03:59:36 -0400
committerTejun Heo <tj@kernel.org>2011-05-24 03:59:36 -0400
commit6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch)
treec9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /arch/m68k/kernel/irq.c
parent0415b00d175e0d8945e6785aad21b5f157976ce0 (diff)
parent6ea0c34dac89611126455537552cffe6c7e832ad (diff)
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'arch/m68k/kernel/irq.c')
-rw-r--r--arch/m68k/kernel/irq.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/m68k/kernel/irq.c b/arch/m68k/kernel/irq.c
new file mode 100644
index 00000000000..c7dd48f37be
--- /dev/null
+++ b/arch/m68k/kernel/irq.c
@@ -0,0 +1,58 @@
1/*
2 * irq.c
3 *
4 * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file COPYING in the main directory of this archive
8 * for more details.
9 */
10
11#include <linux/types.h>
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/kernel_stat.h>
15#include <linux/interrupt.h>
16#include <linux/irq.h>
17#include <linux/seq_file.h>
18#include <asm/system.h>
19#include <asm/traps.h>
20
21asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
22{
23 struct pt_regs *oldregs = set_irq_regs(regs);
24
25 irq_enter();
26 generic_handle_irq(irq);
27 irq_exit();
28
29 set_irq_regs(oldregs);
30}
31
32int show_interrupts(struct seq_file *p, void *v)
33{
34 struct irqaction *ap;
35 int irq = *((loff_t *) v);
36
37 if (irq == 0)
38 seq_puts(p, " CPU0\n");
39
40 if (irq < NR_IRQS) {
41 struct irq_desc *desc = irq_to_desc(irq);
42
43 ap = desc->action;
44 if (ap) {
45 seq_printf(p, "%3d: ", irq);
46 seq_printf(p, "%10u ", kstat_irqs(irq));
47 seq_printf(p, "%14s ", get_irq_desc_chip(desc)->name);
48
49 seq_printf(p, "%s", ap->name);
50 for (ap = ap->next; ap; ap = ap->next)
51 seq_printf(p, ", %s", ap->name);
52 seq_putc(p, '\n');
53 }
54 }
55
56 return 0;
57}
58