korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-05 01:54:09 +08:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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
This commit is contained in:
Anna-Maria Behnsen 2024-10-09 10:29:04 +02:00 committed by Thomas Gleixner
parent 10f7c178a9
commit a5f9e4e4ef
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
kernel/time/timekeeping.c
View File

@ -1765,6 +1765,12 @@ read_persistent_wall_and_boot_offset(struct timespec64 *wall_time,
*boot_offset = ns_to_timespec64(local_clock()); *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. * Flag reflecting whether timekeeping_resume() has injected sleeptime.
* *
@ -1792,8 +1798,7 @@ void __init timekeeping_init(void)
struct timekeeper *tk = &tk_core.timekeeper; struct timekeeper *tk = &tk_core.timekeeper;
struct clocksource *clock; struct clocksource *clock;
raw_spin_lock_init(&tk_core.lock); tkd_basic_setup(&tk_core);
seqcount_raw_spinlock_init(&tk_core.seq, &tkd->lock);
read_persistent_wall_and_boot_offset(&wall_time, &boot_offset); read_persistent_wall_and_boot_offset(&wall_time, &boot_offset);
if (timespec64_valid_settod(&wall_time) && if (timespec64_valid_settod(&wall_time) &&