1. 根目录:
2. arch
3. arm
4. plat-versatile
5. include
6. plat
7. sched_clock.h

#ifndef ARM_PLAT_SCHED_CLOCK_H
#define ARM_PLAT_SCHED_CLOCK_H

void versatile_sched_clock_init(void __iomem *, unsigned long);

#endif