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timekeeping: Fold in timekeeping_delta_to_ns()

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timekeeping_delta_to_ns() is now called only from
timekeeping_cycles_to_ns(), and it is not useful otherwise.

Simplify the code by folding it into timekeeping_cycles_to_ns().

No functional change.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240325064023.2997-16-adrian.hunter@intel.com
This commit is contained in:
Adrian Hunter 2024-03-25 08:40:19 +02:00 committed by Thomas Gleixner
parent e84f43e34f
commit 3094c6db1c
1 changed files with 1 additions and 12 deletions
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13
kernel/time/timekeeping.c
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@ -364,23 +364,12 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock)
}
/* Timekeeper helper functions. */
static inline u64 timekeeping_delta_to_ns(const struct tk_read_base *tkr, u64 delta)
{
u64 nsec;
nsec = delta * tkr->mult + tkr->xtime_nsec;
nsec >>= tkr->shift;
return nsec;
}
static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 cycles)
{
/* Calculate the delta since the last update_wall_time() */
u64 delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
return timekeeping_delta_to_ns(tkr, delta);
return ((delta * tkr->mult) + tkr->xtime_nsec) >> tkr->shift;
}
static __always_inline u64 __timekeeping_get_ns(const struct tk_read_base *tkr)