pci_acpi_wake_bus(9)

💖 pci_acpi_wake_bus(9) — from the Kernel API Manual 💖

okay so bestie, sit down, we're doing kernel PCI-ACPI stuff today and honestly? it's giving "niche but iconic." this is pci_acpi_wake_bus, and yes the (9) is the section number, we love a numbered moment 🎀

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✨ NAME ✨

pci_acpi_wake_bus — the root bus wakeup notification fork function. that's it, that's the whole vibe. she forks, she notifies, she handles wakeups at the root bus level. main character energy fr fr 🌸

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🦋 SYNOPSIS 🦋

void pci_acpi_wake_bus (struct acpi_device_wakeup_context *context );

no cap, that's the whole signature. void return, one argument, zero drama 💅

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⭐ ARGUMENTS ⭐

• context — the device wakeup context. that's the one thing she needs from you, and she needs it to be a struct acpi_device_wakeup_context *. don't come to her with anything else, she's not that girl 🙈

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👑 SEE ALSO 👑

like, go read these next, they're all literally right there in the same neighborhood:

• the kernel file ./drivers/pci/pci-acpi.c (the source material, the origin story, the blueprint 🧚)
• pciehp_is_native(9)
• shpchp_is_native(9)
• pci_acpi_wake_dev(9)
• pci_acpi_add_root_pm_notifier(9)
• pci_acpi_add_pm_notifier(9)
• pci_dev_acpi_reset(9)
• pci_acpi_set_companion_lookup_hook(9)
• pci_acpi_clear_companion_lookup_hook(9)
• pci_acpi_optimize_delay(9)
• pci_msi_register_fwnode_provider(9)
• pci_host_bridge_acpi_msi_domain(9)

that's twelve friends and a file path. a whole squad. iykyk 🫶

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ok real talk: this page is short, so there's not a ton of lore to spill — but everything above is exactly what the manual says, so you're not missing a single crumb. go be great with your wakeup contexts 💜

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and that's a wrap, bestie!! this one came straight outta ./drivers/pci, dated October 2026, and the page itself is pci_acpi_wake_bus(9) — slay, bye, see you at the next manpage 🔥✨🌈