linux-kernel - [tip: timers/core] timekeeping: Tidy timekeeping_cycles_to

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Date: Mon, 08 Apr 2024 13:10:37 -0000
From: "tip-bot2 for Adrian Hunter" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
 Adrian Hunter <adrian.hunter@...el.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject:
 [tip: timers/core] timekeeping: Tidy timekeeping_cycles_to_ns() slightly

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     9af4548e828aa2ea66f54433c5747f64124a6240
Gitweb:        https://git.kernel.org/tip/9af4548e828aa2ea66f54433c5747f64124a6240
Author:        Adrian Hunter <adrian.hunter@...el.com>
AuthorDate:    Mon, 25 Mar 2024 08:40:15 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Mon, 08 Apr 2024 15:03:07 +02:00

timekeeping: Tidy timekeeping_cycles_to_ns() slightly

Put together declaration and initialization of the local variable 'delta'.

Suggested-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20240325064023.2997-12-adrian.hunter@intel.com

---
 kernel/time/timekeeping.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 6306133..c698219 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -383,10 +383,9 @@ static inline u64 timekeeping_delta_to_ns(const struct tk_read_base *tkr, u64 de
 
 static inline u64 timekeeping_cycles_to_ns(const struct tk_read_base *tkr, u64 cycles)
 {
-	u64 delta;
+	/* Calculate the delta since the last update_wall_time() */
+	u64 delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
 
-	/* calculate the delta since the last update_wall_time */
-	delta = clocksource_delta(cycles, tkr->cycle_last, tkr->mask);
 	return timekeeping_delta_to_ns(tkr, delta);
 }