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authorAnna-Maria Behnsen <anna-maria@linutronix.de>2024-10-09 10:29:04 +0200
committerThomas Gleixner <tglx@linutronix.de>2024-10-25 19:49:14 +0200
commita5f9e4e4ef941048d1ff78cbb1ef95b20ed83802 (patch)
tree224c4482ec461d53e735b6883a40198963716d78 /kernel
parent10f7c178a9dad803e80bc01f47e7b30e12a78957 (diff)
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: Anna-Maria Behnsen <anna-maria@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: John Stultz <jstultz@google.com> Link: https://lore.kernel.org/all/20241009-devel-anna-maria-b4-timers-ptp-timekeeping-v2-11-554456a44a15@linutronix.de
Diffstat (limited to 'kernel')
-rw-r--r--kernel/time/timekeeping.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index d520c11e912d..cd83deafd3c2 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -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) &&