count_parisc_driver(9)

💅 count_parisc_driver(9) — NAME 💅

okay so bestie, welcome to the Kernel API Manual ✨ this little icon is count_parisc_driver, and it does exactly what it says on the tin: it counts the # of devices this driver would match. no cap, that's the whole assignment 💖

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🌸 SYNOPSIS 🌸

int count_parisc_driver (struct parisc_driver *driver );

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🎀 ARGUMENTS 🎀

• driver — the PA-RISC driver to try 🫶 that's the argument, bestie, and it's giving exactly what it needs to give.

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🦋 DESCRIPTION 🦋

okay so picture this: IOMMU support uses this to "guess" the right size IOPdir 👑 the formula is something like:

memsize/(num_iommu * entry_size)

lowkey just math with main character energy, fr fr 🌟

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🌈 SEE ALSO 🌈

Kernel file ./arch/parisc/kernel/drivers.c is the spot, and here's the full squad of refs — no skipping, iykyk:

• for_each_padev(9)
• match_device(9)
• register_parisc_driver(9)
• unregister_parisc_driver(9)
• find_pa_parent_type(9)
• print_pa_hwpath(9)
• get_pci_node_path(9)
• print_pci_hwpath(9)
• alloc_tree_node(9)
• register_parisc_device(9)
• match_pci_device(9)
• match_parisc_device(9)
• parse_tree_node(9)
• hwpath_to_device(9)
• device_to_hwpath(9)
• walk_native_bus(9)
• walk_central_bus(9)
• init_parisc_bus(9)
• print_parisc_devices(9)

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mwah 💋 signing off from ./arch/parisc/kernel with October 2026 energy — source/version vibes and date noted, stay iconic bestie 🫶✨