1 #ifndef __ASM_I8253_H__
2 #define __ASM_I8253_H__
4 /* i8253A PIT registers */
9 extern spinlock_t i8253_lock;
11 #ifdef CONFIG_GENERIC_CLOCKEVENTS
13 extern struct clock_event_device *global_clock_event;
15 extern void setup_pit_timer(void);
19 #endif /* __ASM_I8253_H__ */