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#include <linux/hardirq.h>
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#include <linux/types.h>
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enum interruption_class {
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typedef void (*ext_int_handler_t)(unsigned int, unsigned int, unsigned long);
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int register_external_interrupt(u16 code, ext_int_handler_t handler);
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int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
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void service_subclass_irq_register(void);
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void service_subclass_irq_unregister(void);
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#endif /* _ASM_IRQ_H */