acpi_subsys_prepare(9)

🌸 NAME 🌸

okay so bestie, welcome to the Kernel API Manual page for acpi_subsys_prepare(9) 💖. This function is literally here to Prepare device for system transition to a sleep state. No cap.

✨ SYNOPSIS ✨

the signature is giving exactly this, character for character:

int acpi_subsys_prepare (struct device *dev );

💅 ARGUMENTS 💅

• dev — Device to prepare. that’s the device you’re getting ready, periodt 💅

🦋 SEE ALSO 🦋

Kernel file: ./drivers/acpi/device_pm.c 👀. the whole ACPI power-management friend group is linked here, and yes every single one is invited to the group chat:

• 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_suspend(9), acpi_subsys_runtime_resume(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)

mwah 💋 this cutie comes from the ./drivers/acpi source, with October 2026 date vibes, and the page is literally acpi_subsys_prepare(9). bye bestie, go prep that device 🫶✨