dpm_suspend(9)

💤 dpm_suspend(9) — like, the Kernel API Manual one, bestie

Okay so picture this: it's dpm_suspend, section 9 of the Kernel API Manual, and it's literally the girl who goes around telling every single device to go night-night. Let's get into it ✨

---

🌙 NAME

dpm_suspend — runs the "suspend" callbacks for all non-sysdev devices. That's it, that's the whole job 💅

---

🎀 SYNOPSIS

int dpm_suspend (pm_message_t state );

---

🫶 ARGUMENTS

• state — the PM transition of the system that's being carried out. Like, the whole mood of the suspend, packaged up and passed along 🌸

---

🔥 SEE ALSO

First up, the source of truth lives in the kernel file ./drivers/base/power/main.c — go read her, she's iconic 👑

And then the whole friend group, in order, no cap:

• pm_hibernate_is_recovering(9)
• device_pm_sleep_init(9)
• device_pm_lock(9)
• device_pm_unlock(9)
• device_pm_add(9)
• device_pm_remove(9)
• device_pm_move_before(9)
• device_pm_move_after(9)
• device_pm_move_last(9)
• dpm_wait(9)
• pm_op(9)
• pm_late_early_op(9)
• pm_noirq_op(9)
• dpm_watchdog_handler(9)
• dpm_watchdog_set(9)
• dpm_watchdog_clear(9)
• dev_pm_skip_resume(9)
• device_resume_noirq(9)
• dpm_resume_noirq(9)
• device_resume_early(9)
• dpm_resume_early(9)
• dpm_resume_start(9)
• device_resume(9)
• dpm_resume(9)
• device_complete(9)
• dpm_complete(9)
• dpm_resume_end(9)
• resume_event(9)
• device_suspend_noirq(9)
• dpm_suspend_noirq(9)
• device_suspend_late(9)
• dpm_suspend_late(9)
• dpm_suspend_end(9)
• legacy_suspend(9)
• device_suspend(9)
• device_prepare(9)
• dpm_prepare(9)
• dpm_suspend_start(9)
• device_pm_wait_for_dev(9)
• dpm_for_each_dev(9)

---

Bestie note: the return type is int — so yeah, she does report back. Check your return value, fr fr 💖

---

And that's the page, mwah 😭💜 It's from ./drivers/base/power, dated October 2026 — so like, future girl summer. Go forth and suspend, you've got this! 🦋🌈⭐