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[12/19] timekeeping: Reuse timekeeping_cycles_to_ns()

Message ID 20240308131512.44324-13-adrian.hunter@intel.com (mailing list archive)
State Handled Elsewhere
Headers show
Series timekeeping: Handle potential multiplication overflow | expand

Commit Message

Adrian Hunter March 8, 2024, 1:15 p.m. UTC 
Simplify __timekeeping_get_ns() by reusing timekeeping_cycles_to_ns().

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
 kernel/time/timekeeping.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
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Patch

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index c698219b152d..f81d675291e0 100644
--- 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)