Merge branch 'akpm-current/current'
[deliverable/linux.git] / arch / arm / include / asm / irq.h
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1#ifndef __ASM_ARM_IRQ_H
2#define __ASM_ARM_IRQ_H
3
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4#define NR_IRQS_LEGACY 16
5
6#ifndef CONFIG_SPARSE_IRQ
a09e64fb 7#include <mach/irqs.h>
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8#else
9#define NR_IRQS NR_IRQS_LEGACY
10#endif
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11
12#ifndef irq_canonicalize
13#define irq_canonicalize(i) (i)
14#endif
15
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16/*
17 * Use this value to indicate lack of interrupt
18 * capability
19 */
20#ifndef NO_IRQ
21#define NO_IRQ ((unsigned int)(-1))
22#endif
23
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24#ifndef __ASSEMBLY__
25struct irqaction;
aedceb2a 26struct pt_regs;
a054a811 27extern void migrate_irqs(void);
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28
29extern void asm_do_IRQ(unsigned int, struct pt_regs *);
a4841e39 30void handle_IRQ(unsigned int, struct pt_regs *);
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31void init_IRQ(void);
32
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33#ifdef CONFIG_MULTI_IRQ_HANDLER
34extern void (*handle_arch_irq)(struct pt_regs *);
35extern void set_handle_irq(void (*handle_irq)(struct pt_regs *));
36#endif
37
96f0e003 38#ifdef CONFIG_SMP
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39extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask,
40 bool exclude_self);
41#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
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42#endif
43
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44static inline int nr_legacy_irqs(void)
45{
46 return NR_IRQS_LEGACY;
47}
48
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49#endif
50
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51#endif
52
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