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/traps.h>
19
20asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
21{
22	struct pt_regs *oldregs = set_irq_regs(regs);
23
24	irq_enter();
25	generic_handle_irq(irq);
26	irq_exit();
27
28	set_irq_regs(oldregs);
29}
30
31
32/* The number of spurious interrupts */
33atomic_t irq_err_count;
34
35int arch_show_interrupts(struct seq_file *p, int prec)
36{
37	seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
38	return 0;
39}

 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/traps.h>
19
20asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
21{
22	struct pt_regs *oldregs = set_irq_regs(regs);
23
24	irq_enter();
25	generic_handle_irq(irq);
26	irq_exit();
27
28	set_irq_regs(oldregs);
29}
30
31
32/* The number of spurious interrupts */
33atomic_t irq_err_count;
34
35int arch_show_interrupts(struct seq_file *p, int prec)
36{
37	seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
38	return 0;
39}