From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- kernel/time/timekeeping_internal.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 kernel/time/timekeeping_internal.h (limited to 'kernel/time/timekeeping_internal.h') diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h new file mode 100644 index 000000000..4ea005a7f --- /dev/null +++ b/kernel/time/timekeeping_internal.h @@ -0,0 +1,29 @@ +#ifndef _TIMEKEEPING_INTERNAL_H +#define _TIMEKEEPING_INTERNAL_H +/* + * timekeeping debug functions + */ +#include +#include + +#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 */ -- cgit v1.2.3-54-g00ecf