LXR linux/include/asm-generic/timex.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_GENERIC_TIMEX_H
   3#define __ASM_GENERIC_TIMEX_H
   4
   5/*
   6 * If you have a cycle counter, return the value here.
   7 */
   8typedef unsigned long cycles_t;
   9#ifndef get_cycles
  10static inline cycles_t get_cycles(void)
  11{
  12        return 0;
  13}
  14#endif
  15
  16/*
  17 * Architectures are encouraged to implement read_current_timer
  18 * and define this in order to avoid the expensive delay loop
  19 * calibration during boot.
  20 */
  21#undef ARCH_HAS_READ_CURRENT_TIMER
  22
  23#endif /* __ASM_GENERIC_TIMEX_H */
  24