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   1 #ifndef __ASM_I8253_H__
   2 #define __ASM_I8253_H__
   3
   4 #include <linux/clockchips.h>
   5
   6 extern spinlock_t i8253_lock;
   7
   8 extern struct clock_event_device *global_clock_event;
   9
  10 /**
  11  * pit_interrupt_hook - hook into timer tick
  12  * @regs:       standard registers from interrupt
  13  *
  14  * Call the global clock event handler.
  15  **/
  16 static inline void pit_interrupt_hook(void)
  17 {
  18         global_clock_event->event_handler(global_clock_event);
  19 }
  20
  21 #endif  /* __ASM_I8253_H__ */