pcim_pin_device(9)

💅 pcim_pin_device — like, the kernel API manual bestie 🎀

okay so welcome to pcim_pin_device(9), straight out of the Kernel API Manual ✨ this one's a lil function that does exactly one thing and does it iconically.

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🌸 NAME 🌸

pcim_pin_device — pins a managed PCI device. that's it. that's the whole vibe. it pins it. pinned device = stays put 💖

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✨ SYNOPSIS ✨

void pcim_pin_device (struct pci_dev *pdev );

literally one argument, returns nothing, no cap 🫶

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🦋 ARGUMENTS 🦋

• pdev — the PCI device you're pinning 📌 yes bestie, this is the PCI device to pin.

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💜 DESCRIPTION 💜

okay so picture this: you call pcim_pin_device and it pins the managed PCI device pdev. and what does "pin" mean?? it means the pinned device won't be disabled on driver detach — it just stays enabled, main character energy, refusing to leave the party 💅🔥

⚠️ but like, important: pdev must have been enabled with pcim_enable_device. fr fr, if you didn't do that first, you're not it. do the enable first, then pin. that's the order, periodt 🙈

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🔥 SEE ALSO 🔥

peep the kernel file ./drivers/pci/devres.c for the whole friend group 🧚 and also go read these, they're all lowkey iconic:

• devm_pci_remap_iospace(9)
• devm_pci_remap_cfgspace(9)
• devm_pci_remap_cfg_resource(9)
• pcim_set_mwi(9)
• pcim_intx(9)
• pcim_enable_device(9)
• pcim_iomap_table(9)
• pcim_iomap(9)
• pcim_iounmap(9)
• pcim_iomap_region(9)
• pcim_iounmap_region(9)
• pcim_iomap_regions(9)
• pcim_request_region(9)
• pcim_release_region(9)
• pcim_release_all_regions(9)
• pcim_request_all_regions(9)
• pcim_iomap_range(9)

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okay that's the whole page bestie!! 🎀 this one lives over in ./drivers/pci, and it was dated October 2026 ⭐ so like… future vibes but make it kernel 💀💖 slay, go pin some devices responsibly 👑