diff options
Diffstat (limited to 'include/asm-mips/irq.h')
-rw-r--r-- | include/asm-mips/irq.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/asm-mips/irq.h b/include/asm-mips/irq.h new file mode 100644 index 000000000000..b90b11d0b886 --- /dev/null +++ b/include/asm-mips/irq.h | |||
@@ -0,0 +1,55 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle | ||
7 | * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02, 03 by Ralf Baechle | ||
8 | */ | ||
9 | #ifndef _ASM_IRQ_H | ||
10 | #define _ASM_IRQ_H | ||
11 | |||
12 | #include <linux/config.h> | ||
13 | #include <linux/linkage.h> | ||
14 | #include <irq.h> | ||
15 | |||
16 | #ifdef CONFIG_I8259 | ||
17 | static inline int irq_canonicalize(int irq) | ||
18 | { | ||
19 | return ((irq == 2) ? 9 : irq); | ||
20 | } | ||
21 | #else | ||
22 | #define irq_canonicalize(irq) (irq) /* Sane hardware, sane code ... */ | ||
23 | #endif | ||
24 | |||
25 | struct pt_regs; | ||
26 | |||
27 | #ifdef CONFIG_PREEMPT | ||
28 | |||
29 | extern asmlinkage unsigned int do_IRQ(unsigned int irq, struct pt_regs *regs); | ||
30 | |||
31 | #else | ||
32 | |||
33 | /* | ||
34 | * do_IRQ handles all normal device IRQ's (the special | ||
35 | * SMP cross-CPU interrupts have their own specific | ||
36 | * handlers). | ||
37 | * | ||
38 | * Ideally there should be away to get this into kernel/irq/handle.c to | ||
39 | * avoid the overhead of a call for just a tiny function ... | ||
40 | */ | ||
41 | #define do_IRQ(irq, regs) \ | ||
42 | do { \ | ||
43 | irq_enter(); \ | ||
44 | __do_IRQ((irq), (regs)); \ | ||
45 | irq_exit(); \ | ||
46 | } while (0) | ||
47 | |||
48 | #endif | ||
49 | |||
50 | extern void arch_init_irq(void); | ||
51 | |||
52 | struct irqaction; | ||
53 | int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *); | ||
54 | |||
55 | #endif /* _ASM_IRQ_H */ | ||