| /* | |
| * irq.c | |
| * | |
| * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com> | |
| * | |
| * This file is subject to the terms and conditions of the GNU General Public | |
| * License. See the file COPYING in the main directory of this archive | |
| * for more details. | |
| */ | |
| #include <linux/types.h> | |
| #include <linux/init.h> | |
| #include <linux/kernel.h> | |
| #include <linux/kernel_stat.h> | |
| #include <linux/interrupt.h> | |
| #include <linux/irq.h> | |
| #include <linux/seq_file.h> | |
| #include <asm/traps.h> | |
| asmlinkage void do_IRQ(int irq, struct pt_regs *regs) | |
| { | |
| struct pt_regs *oldregs = set_irq_regs(regs); | |
| irq_enter(); | |
| generic_handle_irq(irq); | |
| irq_exit(); | |
| set_irq_regs(oldregs); | |
| } | |
| /* The number of spurious interrupts */ | |
| atomic_t irq_err_count; | |
| int arch_show_interrupts(struct seq_file *p, int prec) | |
| { | |
| seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); | |
| return 0; | |
| } |