Commit a5f9e4e4 authored by Anna-Maria Behnsen's avatar Anna-Maria Behnsen Committed by Thomas Gleixner
Browse files

timekeeping: Introduce tkd_basic_setup() to make lock and seqcount init reusable 



Initialization of lock and seqcount needs to be done for every instance of
timekeeper struct. To be able to easily reuse it, create a separate
function for it.

Signed-off-by: default avatarAnna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarJohn Stultz <jstultz@google.com>
Link: https://lore.kernel.org/all/20241009-devel-anna-maria-b4-timers-ptp-timekeeping-v2-11-554456a44a15@linutronix.de
parent 10f7c178

kernel/time/timekeeping.c

+7 −2
Original line number Diff line number Diff line
@@ -1765,6 +1765,12 @@ read_persistent_wall_and_boot_offset(struct timespec64 *wall_time, 
	*boot_offset = ns_to_timespec64(local_clock());

}



static __init void tkd_basic_setup(struct tk_data *tkd)

{

	raw_spin_lock_init(&tkd->lock);

	seqcount_raw_spinlock_init(&tkd->seq, &tkd->lock);

}



/*

 * Flag reflecting whether timekeeping_resume() has injected sleeptime.

 *
@@ -1792,8 +1798,7 @@ void __init timekeeping_init(void) 
	struct timekeeper *tk = &tk_core.timekeeper;

	struct clocksource *clock;



	raw_spin_lock_init(&tk_core.lock);

	seqcount_raw_spinlock_init(&tk_core.seq, &tkd->lock);

	tkd_basic_setup(&tk_core);



	read_persistent_wall_and_boot_offset(&wall_time, &boot_offset);

	if (timespec64_valid_settod(&wall_time) &&