timekeeping: Reuse timekeeping_cycles_to_ns()

Simplify __timekeeping_get_ns() by reusing 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/20240325064023.2997-13-adrian.hunter@intel.com

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index c698219b152d858a565c9e3f3217ebdb821b0c49..f81d675291e095ad39ab2cec7a9b5518d35d2c19 100644 (file)
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -391,10 +391,7 @@ static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 c
 
 static __always_inline u64 __timekeeping_get_ns(const struct tk_read_base *tkr)
 {
-       u64 delta, cycles = tk_clock_read(tkr);
-
-       delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
-       return timekeeping_delta_to_ns(tkr, delta);
+       return timekeeping_cycles_to_ns(tkr, tk_clock_read(tkr));
 }
 
 static inline u64 timekeeping_get_ns(const struct tk_read_base *tkr)