pcibios_root_bridge_prepare(9)

🌸 NAME 🌸

pcibios_root_bridge_prepare — Platform-specific host bridge setup 🎀

okay bestie, you're on the pcibios_root_bridge_prepare(9) page from the Kernel API Manual 🫶

✨ SYNOPSIS ✨

the whole signature is literally:

int pcibios_root_bridge_prepare (struct pci_host_bridge *bridge );

💅 ARGUMENTS 💅

• bridge — Host bridge to set up 💖

🦋 DESCRIPTION 🦋

so the default implementation is empty — yes, empty 💀. To do the platform-specific thing, replace it with an architecture-specific setup routine, if necessary. That's the whole assignment, bestie ✨

👑 SEE ALSO 👑

the related-function squad is giving kernel-file energy 👀:

• Kernel file ./drivers/pci/probe.c 📁
• __pci_size_bars(9)
• __pci_read_base(9)
• pcie_get_link_speed(9)
• pci_ea_fixed_busnrs(9)
• pci_ext_cfg_is_aliased(9)
• pci_cfg_space_size_ext(9)
• pci_intx_mask_broken(9)
• pci_setup_device(9)
• pcie_relaxed_ordering_enabled(9)
• pci_release_dev(9)
• pci_scan_slot(9)
• pci_scan_child_bus_extend(9)
• pci_scan_child_bus(9)
• pci_rescan_bus_bridge_resize(9)
• pci_rescan_bus(9)

cute little sign-off, bestie 🫶 — source/version: ./drivers/pci · date: October 2026 · page: pcibios_root_bridge_prepare(9) 💖