tb_lc_xhci_connect(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 tb_lc_xhci_connect 🌸

okay so bestie, welcome to the Kernel API Manual ✨ this one's a lil function from the Thunderbolt corner of the kernel tree, and honestly? she's short but she's got main character energy. let's get into it 💅

💖 NAME 💖

tb_lc_xhci_connect — connect the internal xHCI, that's the whole vibe 🎀

✨ SYNOPSIS ✨

int tb_lc_xhci_connect (struct tb_port *port );

no cap, that's the entire signature. one (1) function, one (1) pointer, zero drama 🦋

🎀 ARGUMENTS 🎀

  • port — the Device router lane 0 adapter. that's it, that's the arg 🫶

💅 DESCRIPTION 💅

so what she actually does: tb_lc_xhci_connect tells the LC to connect the internal xHCI to port. like, she's the messenger, she relays the request, slay 🔥

⚠️ important caveat bestie, do NOT skip this: this can be called for Thunderbolt 3 routers only. literally only TB3. if you're out here calling it on anything else that's giving "didn't read the docs" energy 😭

⭐ RETURN ⭐

  • 0 on success — we love a clean zero, periodt 👑
  • negative errno otherwise — so if it's negative, something went sideways, check your errno fr fr 💀

🌈 SEE ALSO 🌈

the whole friend group lives in the kernel file ./drivers/thunderbolt/lc.c, and here's every single one of her siblings — go say hi 🧚:

like, eighteen of them?? a whole squad 💜

and that's the page, bestie 🎀 this lil beauty lives under ./drivers/thunderbolt, dated October 2026, and she goes by tb_lc_xhci_connect(9) — iykyk 💖✨🦋

📦 where this page comes from