Commit 007c0716 authored by Su Hui's avatar Su Hui Committed by Thomas Gleixner
Browse files

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: default avatarSu Hui <suhui@nfschina.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250430032734.2079290-2-suhui@nfschina.com
parent 49916e22

include/linux/jiffies.h

+1 −1
Original line number Diff line number Diff line
@@ -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)

kernel/time/jiffies.c

+1 −4
Original line number Diff line number Diff line
@@ -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;

}