Linux Kernel  3.7.1
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irq.h
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1 #ifndef __ASM_GENERIC_IRQ_H
2 #define __ASM_GENERIC_IRQ_H
3 
4 /*
5  * NR_IRQS is the upper bound of how many interrupts can be handled
6  * in the platform. It is used to size the static irq_map array,
7  * so don't make it too big.
8  */
9 #ifndef NR_IRQS
10 #define NR_IRQS 64
11 #endif
12 
13 static inline int irq_canonicalize(int irq)
14 {
15  return irq;
16 }
17 
18 #endif /* __ASM_GENERIC_IRQ_H */