alarmtimer_suspend(9)

✨ alarmtimer_suspend(9) ✨

okay so bestie, welcome to the Kernel API Manual 💅 this one's a suspend-time callback and it's honestly lowkey iconic 🎀

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🌸 NAME 🌸

alarmtimer_suspend — the suspend time callback, aka the girl who makes sure your system wakes tf up ⏰💖

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🦋 SYNOPSIS 🦋

int alarmtimer_suspend (struct device *dev );

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🎀 ARGUMENTS 🎀

• dev — bestie this one is literally just unused 🙈 no cap, it does nothing, it's giving decoration

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💖 DESCRIPTION 💖

okay so picture this: we're going into suspend 😴 and we look through the bases to see which one is the soonest timer to expire. then we set an rtc timer to fire that far into the future ⏳ and that's what wakes us from suspend. slay 💅✨

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🌈 SEE ALSO 🌈

Kernel file ./kernel/time/alarmtimer.c plus the whole friend group:

• struct alarm_base(9)
• alarmtimer_get_rtcdev(9)
• alarmtimer_enqueue(9)
• alarmtimer_dequeue(9)
• alarmtimer_fired(9)
• alarm_init(9)
• alarm_start_timer(9)
• alarm_try_to_cancel(9)
• alarm_cancel(9)
• clock2alarm(9)
• alarm_handle_timer(9)
• alarm_timer_rearm(9)
• alarm_timer_forward(9)
• alarm_timer_remaining(9)
• alarm_timer_try_to_cancel(9)
• alarm_timer_wait_running(9)
• alarm_timer_arm(9)
• alarm_clock_getres(9)
• alarm_clock_get_timespec(9)
• alarm_clock_get_ktime(9)
• alarm_timer_create(9)
• alarmtimer_nsleep_wakeup(9)
• alarmtimer_do_nsleep(9)
• alarm_timer_nsleep_restart(9)
• alarm_timer_nsleep(9)
• alarmtimer_init(9)

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and that's the whole vibe bestie, go read them all, iykyk 🫶

sign-off time ✨ this page lives in ./kernel/time, dated October 2026, and it's alarmtimer_suspend(9) all the way down 💜 bye bestie, mwah 🎀