acpi_subsys_runtime_suspend(9)

💤 acpi_subsys_runtime_suspend — from the Kernel API Manual, bestie ✨

Okay so real talk, this one's a tiny page but it's doing something cute in the background and I need you to appreciate it. It lives in the Kernel API Manual (acpi_subsys_runtime_suspend(9)) and it's basically the "okay babe, time to nap" button for ACPI devices 🌸

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✨ NAME ✨

acpi_subsys_runtime_suspend — suspend device using ACPI.

Like, that's it. That's the whole vibe. It suspends a device using ACPI 🫶

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🎀 SYNOPSIS 🎀

int acpi_subsys_runtime_suspend (struct device *dev );

Note the return type is int, she returns a value, she's not just out here doing vibes with no receipts 💅

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🦋 ARGUMENTS 🦋

• dev — the device to suspend. That's your main character right there, the one getting the nap 🛌

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💖 DESCRIPTION 💖

So what actually happens: it carries out the generic runtime suspend procedure for dev, and then uses ACPI to put it into a runtime low-power state ✨

Two steps, no cap: generic runtime suspend procedure first, then ACPI does its thing and the device lands in a runtime low-power state. Lowkey iconic that it's one function for all that 🌈

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👑 SEE ALSO 👑

Kernel file ./drivers/acpi/device_pm.c — and honestly the whole friend group showed up, so let me introduce everyone 🫶

• acpi_power_state_string(9)
• acpi_device_get_power(9)
• acpi_device_set_power(9)
• acpi_device_fix_up_power(9)
• acpi_device_fix_up_power_extended(9)
• acpi_device_fix_up_power_children(9)
• acpi_dev_power_up_children_with_adr(9)
• acpi_dev_power_state_for_wake(9)
• acpi_add_pm_notifier(9)
• acpi_remove_pm_notifier(9)
• acpi_dev_pm_get_state(9)
• acpi_pm_device_sleep_state(9)
• acpi_pm_notify_work_func(9)
• acpi_device_wakeup_enable(9)
• acpi_device_wakeup_disable(9)
• acpi_pm_set_device_wakeup(9)
• acpi_dev_pm_low_power(9)
• acpi_dev_pm_full_power(9)
• acpi_dev_suspend(9)
• acpi_dev_resume(9)
• acpi_subsys_runtime_resume(9) — yes, the opposite twin, she's here too 😭
• acpi_subsys_prepare(9)
• acpi_subsys_complete(9)
• acpi_subsys_suspend(9)
• acpi_subsys_suspend_late(9)
• acpi_subsys_suspend_noirq(9)
• acpi_subsys_resume_noirq(9)
• acpi_subsys_resume_early(9)
• acpi_subsys_resume(9)
• acpi_subsys_freeze(9)
• acpi_subsys_restore_early(9)
• acpi_subsys_poweroff(9)
• acpi_subsys_poweroff_late(9)
• acpi_subsys_poweroff_noirq(9)
• acpi_dev_pm_detach(9)
• acpi_dev_pm_attach(9)
• acpi_storage_d3(9)
• acpi_dev_state_d0(9)

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💜 And that's the page! Cute little sign-off for you: this whole thing ships from ./drivers/acpi, dated October 2026, and it's filed under acpi_subsys_runtime_suspend(9) in the Kernel API Manual. Go put your devices to sleep, bestie, they earned it 😴💅