1 | /* |
---|---|
2 | * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> |
3 | * Copyright (C) 2007-2009 PetaLogix |
4 | * Copyright (C) 2006 Atmark Techno, Inc. |
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/init.h> |
12 | #include <linux/ftrace.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> |
19 | #include <linux/irq.h> |
20 | #include <linux/irqchip.h> |
21 | #include <linux/of_irq.h> |
22 | |
23 | void __irq_entry do_IRQ(struct pt_regs *regs) |
24 | { |
25 | struct pt_regs *old_regs = set_irq_regs(regs); |
26 | trace_hardirqs_off(); |
27 | |
28 | irq_enter(); |
29 | handle_arch_irq(regs); |
30 | irq_exit(); |
31 | set_irq_regs(old_regs); |
32 | trace_hardirqs_on(); |
33 | } |
34 | |
35 | void __init init_IRQ(void) |
36 | { |
37 | /* process the entire interrupt tree in one go */ |
38 | irqchip_init(); |
39 | } |
40 |