acpi_hibernation_begin_old(9)

💤 acpi_hibernation_begin_old(9) — Kernel API Manual ✨

okay so welcome to the acpi_hibernation_begin_old(9) page from the Kernel API Manual, bestie 🫶 this is the old-order ACPI sleep path, and we are gonna read it together, no cap.

💖 NAME 💖

acpi_hibernation_begin_old — set the target system sleep state to ACPI_STATE_S4 and execute the _PTS control method. This function is used if the pre-ACPI 2.0 suspend ordering has been requested. periodt 💅

✨ SYNOPSIS ✨

int acpi_hibernation_begin_old (pm_message_t stage );

🎀 ARGUMENTS 🎀

• stage — the power management event message. That’s the whole argument list, bestie; no hidden extras, no side quest 🌸

🦋 SEE ALSO 🦋

If you’re going down the ACPI sleep rabbit hole, these are your besties:

• Kernel file: ./drivers/acpi/sleep.c
• acpi_pm_freeze(9)
• acpi_pm_pre_suspend(9)
• __acpi_pm_prepare(9)
• acpi_pm_prepare(9)
• acpi_pm_finish(9)
• acpi_pm_start(9)
• acpi_pm_end(9)
• acpi_suspend_begin(9)
• acpi_suspend_enter(9)
• acpi_suspend_begin_old(9)

💖 sourced from ./drivers/acpi, dated October 2026 — page acpi_hibernation_begin_old(9) signing off, mwah 💅✨