1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __ASM_GENERIC_TIMEX_H 3*4882a593Smuzhiyun #define __ASM_GENERIC_TIMEX_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* 6*4882a593Smuzhiyun * If you have a cycle counter, return the value here. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun typedef unsigned long cycles_t; 9*4882a593Smuzhiyun #ifndef get_cycles get_cycles(void)10*4882a593Smuzhiyunstatic inline cycles_t get_cycles(void) 11*4882a593Smuzhiyun { 12*4882a593Smuzhiyun return 0; 13*4882a593Smuzhiyun } 14*4882a593Smuzhiyun #endif 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* 17*4882a593Smuzhiyun * Architectures are encouraged to implement read_current_timer 18*4882a593Smuzhiyun * and define this in order to avoid the expensive delay loop 19*4882a593Smuzhiyun * calibration during boot. 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun #undef ARCH_HAS_READ_CURRENT_TIMER 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun #endif /* __ASM_GENERIC_TIMEX_H */ 24