1 /* 1 /*
2 * Copyright (C) 2007-2009 Michal Simek <monst !! 2 * irq.c
3 * Copyright (C) 2007-2009 PetaLogix !! 3 *
4 * Copyright (C) 2006 Atmark Techno, Inc. !! 4 * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
5 * 5 *
6 * This file is subject to the terms and condi 6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main !! 7 * License. See the file COPYING in the main directory of this archive
8 * for more details. 8 * for more details.
9 */ 9 */
10 10
>> 11 #include <linux/types.h>
11 #include <linux/init.h> 12 #include <linux/init.h>
12 #include <linux/ftrace.h> <<
13 #include <linux/kernel.h> 13 #include <linux/kernel.h>
14 #include <linux/hardirq.h> <<
15 #include <linux/interrupt.h> <<
16 #include <linux/irqflags.h> <<
17 #include <linux/seq_file.h> <<
18 #include <linux/kernel_stat.h> 14 #include <linux/kernel_stat.h>
>> 15 #include <linux/interrupt.h>
19 #include <linux/irq.h> 16 #include <linux/irq.h>
20 #include <linux/irqchip.h> !! 17 #include <linux/seq_file.h>
21 #include <linux/of_irq.h> !! 18 #include <asm/traps.h>
22 19
23 void __irq_entry do_IRQ(struct pt_regs *regs) !! 20 asmlinkage void do_IRQ(int irq, struct pt_regs *regs)
24 { 21 {
25 struct pt_regs *old_regs = set_irq_reg !! 22 struct pt_regs *oldregs = set_irq_regs(regs);
26 trace_hardirqs_off(); <<
27 23
28 irq_enter(); 24 irq_enter();
29 handle_arch_irq(regs); !! 25 generic_handle_irq(irq);
30 irq_exit(); 26 irq_exit();
31 set_irq_regs(old_regs); !! 27
32 trace_hardirqs_on(); !! 28 set_irq_regs(oldregs);
33 } 29 }
34 30
35 void __init init_IRQ(void) !! 31
>> 32 /* The number of spurious interrupts */
>> 33 atomic_t irq_err_count;
>> 34
>> 35 int arch_show_interrupts(struct seq_file *p, int prec)
36 { 36 {
37 /* process the entire interrupt tree i !! 37 seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
38 irqchip_init(); !! 38 return 0;
39 } 39 }
40 40
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