__of_scan_bus(9)

💅 __of_scan_bus (9)

okay so bestie, welcome to the Kernel API Manual ✨ this one lives in section 9 and it's giving "powerpc PCI bring-up, but make it cute" 🎀 no cap, it's a whole vibe.

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🦋 NAME

__of_scan_bus — given a PCI bus node, setup bus and scan for child devices 💖

like, you hand it a node and a bus and it goes off to find the babies. icon behavior honestly 🌸

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⭐ SYNOPSIS

void __of_scan_bus (struct device_node *node , struct pci_bus *bus , int
rescan_existing );

not me copying this character for character because we do not mess with signatures 💅

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✨ ARGUMENTS

• node — device tree node for the PCI bus 🌳 like the family tree entry for this bus, yk?
• bus — pci_bus structure for the PCI bus 🚌 the actual bus object, the main character
• rescan_existing — Flag indicating bus has already been set up 👀 so if this is 1-ish vibes, the bus has already been set up and we're just rescanning. iykyk.

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🔥 SEE ALSO

Kernel file ./arch/powerpc/kernel/pci_of_scan.c 📁 — that's the home base, the whole squad lives there:

• get_int_prop(9)
• of_pci_parse_addrs(9)
• of_create_pci_dev(9)
• of_scan_pci_bridge(9)
• of_scan_bus(9)
• of_rescan_bus(9)

literally the friend group 🫶 go read all of them, they ate 💯

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k that's the whole page bestie 🌈 this came straight out of ./arch/powerpc/kernel, dated October 2026, and it's the section 9 __of_scan_bus moment 👑 mwah, slay, periodt 💅💖