/* Timekeeper helper functions. */
#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
-u32 (*arch_gettimeoffset)(void);
-
-u32 get_arch_timeoffset(void)
-{
- if (likely(arch_gettimeoffset))
- return arch_gettimeoffset();
- return 0;
-}
+static u32 default_arch_gettimeoffset(void) { return 0; }
+u32 (*arch_gettimeoffset)(void) = default_arch_gettimeoffset;
#else
-static inline u32 get_arch_timeoffset(void) { return 0; }
+static inline u32 arch_gettimeoffset(void) { return 0; }
#endif
static inline s64 timekeeping_get_ns(struct timekeeper *tk)
nsec >>= tk->shift;
/* If arch requires, add in get_arch_timeoffset() */
- return nsec + get_arch_timeoffset();
+ return nsec + arch_gettimeoffset();
}
static inline s64 timekeeping_get_ns_raw(struct timekeeper *tk)
nsec = clocksource_cyc2ns(cycle_delta, clock->mult, clock->shift);
/* If arch requires, add in get_arch_timeoffset() */
- return nsec + get_arch_timeoffset();
+ return nsec + arch_gettimeoffset();
}
static RAW_NOTIFIER_HEAD(pvclock_gtod_chain);
tk->xtime_nsec += cycle_delta * tk->mult;
/* If arch requires, add in get_arch_timeoffset() */
- tk->xtime_nsec += (u64)get_arch_timeoffset() << tk->shift;
+ tk->xtime_nsec += (u64)arch_gettimeoffset() << tk->shift;
tk_normalize_xtime(tk);
nsecs = timekeeping_get_ns(tk) + tk->wall_to_monotonic.tv_nsec;
} while (read_seqcount_retry(&timekeeper_seq, seq));
- /*
- * Use ktime_set/ktime_add_ns to create a proper ktime on
- * 32-bit architectures without CONFIG_KTIME_SCALAR.
- */
- return ktime_add_ns(ktime_set(secs, 0), nsecs);
+
+ return ktime_set(secs, nsecs);
}
EXPORT_SYMBOL_GPL(ktime_get);
}
/**
- * get_xtime_and_monotonic_and_sleep_offset() - get xtime, wall_to_monotonic,
- * and sleep offsets.
- * @xtim: pointer to timespec to be set with xtime
- * @wtom: pointer to timespec to be set with wall_to_monotonic
- * @sleep: pointer to timespec to be set with time in suspend
+ * ktime_get_update_offsets_tick - hrtimer helper
+ * @offs_real: pointer to storage for monotonic -> realtime offset
+ * @offs_boot: pointer to storage for monotonic -> boottime offset
+ * @offs_tai: pointer to storage for monotonic -> clock tai offset
+ *
+ * Returns monotonic time at last tick and various offsets
*/
-void get_xtime_and_monotonic_and_sleep_offset(struct timespec *xtim,
- struct timespec *wtom, struct timespec *sleep)
+ktime_t ktime_get_update_offsets_tick(ktime_t *offs_real, ktime_t *offs_boot,
+ ktime_t *offs_tai)
{
struct timekeeper *tk = &timekeeper;
- unsigned long seq;
+ struct timespec ts;
+ ktime_t now;
+ unsigned int seq;
do {
seq = read_seqcount_begin(&timekeeper_seq);
- *xtim = tk_xtime(tk);
- *wtom = tk->wall_to_monotonic;
- *sleep = tk->total_sleep_time;
+
+ ts = tk_xtime(tk);
+
+ *offs_real = tk->offs_real;
+ *offs_boot = tk->offs_boot;
+ *offs_tai = tk->offs_tai;
} while (read_seqcount_retry(&timekeeper_seq, seq));
+
+ now = ktime_set(ts.tv_sec, ts.tv_nsec);
+ now = ktime_sub(now, *offs_real);
+ return now;
}
#ifdef CONFIG_HIGH_RES_TIMERS
/**
- * ktime_get_update_offsets - hrtimer helper
+ * ktime_get_update_offsets_now - hrtimer helper
* @offs_real: pointer to storage for monotonic -> realtime offset
* @offs_boot: pointer to storage for monotonic -> boottime offset
* @offs_tai: pointer to storage for monotonic -> clock tai offset
* Returns current monotonic time and updates the offsets
* Called from hrtimer_interrupt() or retrigger_next_event()
*/
-ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot,
+ktime_t ktime_get_update_offsets_now(ktime_t *offs_real, ktime_t *offs_boot,
ktime_t *offs_tai)
{
struct timekeeper *tk = &timekeeper;