| #ifndef _TIMEKEEPING_INTERNAL_H | |
| #define _TIMEKEEPING_INTERNAL_H | |
| /* | |
| * timekeeping debug functions | |
| */ | |
| #include <linux/clocksource.h> | |
| #include <linux/time.h> | |
| #ifdef CONFIG_DEBUG_FS | |
| extern void tk_debug_account_sleep_time(struct timespec64 *t); | |
| #else | |
| #define tk_debug_account_sleep_time(x) | |
| #endif | |
| #ifdef CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE | |
| static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) | |
| { | |
| cycle_t ret = (now - last) & mask; | |
| return (s64) ret > 0 ? ret : 0; | |
| } | |
| #else | |
| static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask) | |
| { | |
| return (now - last) & mask; | |
| } | |
| #endif | |
| #endif /* _TIMEKEEPING_INTERNAL_H */ |