time/jiffies: Change register_refined_jiffies() to void __init

register_refined_jiffies() is only used in setup code and always returns 0.
Mark it as __init to save some bytes and change it to void.

Signed-off-by: Su Hui <suhui@nfschina.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250430032734.2079290-2-suhui@nfschina.com

diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 0ea8c9887429ff19e22a7bb1e3077640b97a741c..91b20788273dfa224d68fbc84388c297b335af47 100644 (file)
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -59,7 +59,7 @@
 /* LATCH is used in the interval timer and ftape setup. */
 #define LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ)  /* For divider */
 
-extern int register_refined_jiffies(long clock_tick_rate);
+extern void register_refined_jiffies(long clock_tick_rate);
 
 /* TICK_USEC is the time between ticks in usec assuming SHIFTED_HZ */
 #define TICK_USEC ((USEC_PER_SEC + HZ/2) / HZ)

diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c
index bc4db9e5ab70c1caa2092d72889c49c62ae517c4..34eeacac225391667e168ec4e1d7261175388d51 100644 (file)
--- a/kernel/time/jiffies.c
+++ b/kernel/time/jiffies.c
@@ -75,13 +75,11 @@ struct clocksource * __init __weak clocksource_default_clock(void)
 
 static struct clocksource refined_jiffies;
 
-int register_refined_jiffies(long cycles_per_second)
+void __init register_refined_jiffies(long cycles_per_second)
 {
        u64 nsec_per_tick, shift_hz;
        long cycles_per_tick;
 
-
-
        refined_jiffies = clocksource_jiffies;
        refined_jiffies.name = "refined-jiffies";
        refined_jiffies.rating++;
@@ -100,5 +98,4 @@ int register_refined_jiffies(long cycles_per_second)
        refined_jiffies.mult = ((u32)nsec_per_tick) << JIFFIES_SHIFT;
 
        __clocksource_register(&refined_jiffies);
-       return 0;
 }