pci_disable_rom(9)

💅 pci_disable_rom(9) — the Kernel API Manual, bestie edition 🎀

okay so we're in the <pink>Kernel API Manual</pink> today and the main character is pci_disable_rom — literally the "turn the ROM off" girlie. let's get into it ✨

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🌸 NAME 🌸

pci_disable_rom — disable ROM decoding for a PCI device 🫶

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🦋 SYNOPSIS 🦋

void pci_disable_rom (struct pci_dev *pdev );

no cap, that's the whole signature. void in, void out, zero return value, zero drama. 💅

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⭐ ARGUMENTS ⭐

• pdev — the PCI device you wanna disable. that's it. that's the vibe. hand her over and she gets shut down 🙈

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🔥 DESCRIPTION 🔥

so here's the tea ☕: this one disables <purple>ROM decoding</purple> on a PCI device, and the way it does it is honestly so simple it's iconic — it just turns off the <hotpink>last bit</hotpink> in the <purple>ROM BAR</purple>. that's the whole move. one bit. ate and left no crumbs. 💀✨

like, ROM BAR said "I'm gonna decode" and this function said "not today bestie" and flipped that final bit off. periodt. 👑

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🌈 SEE ALSO 🌈

• <mint>Kernel file</mint> ./drivers/pci/rom.c — the source file, go read her she's great 🧚
• pci_enable_rom(9) — the reverse girlie, turns it back on
• pci_get_rom_size(9) — for when you need the size
• pci_map_rom(9) — mapping era
• pci_unmap_rom(9) — and the unmap to match, iykyk

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lowkey reminder: this is <pink>void</pink> and takes exactly one argument, no more no less — struct pci_dev *pdev`. don't be out here inventing flags, there are none. 🫶

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and that's the page!! sourced from <lavender>./drivers/pci</lavender>, dated <yellow>October 2026</yellow>, filed under the <pink>Kernel API Manual</pink> — mwah, slay, see u in the next manpage 💖🎀🦋⭐