usb4_port_en...ate_retimers(9)

📦 version 7.3.1, in nixpkgs unstable

💅 usb4_port_en...ate_retimers(9)

okay so bestie, welcome to the Kernel API Manual ✨ this is the page for usb4_port_en...ate_retimers(9) and no, the title isn't glitching, that's literally how it's printed lmao 😭 (yes the ellipsis is real, they truncated it, iconic behavior honestly 🎀).

🌸 NAME

usb4_port_enumerate_retimers — send that RT broadcast transaction, periodt 💅

🦋 SYNOPSIS

int usb4_port_enumerate_retimers (struct tb_port *port );

like, that's the whole vibe. one function, one port, go 🏃‍♀️✨

🎀 ARGUMENTS

  • port — the USB4 port in question, the main character of this whole operation 👑

💖 DESCRIPTION

okay so here's the tea 🍓: this function forces the USB4 port to send a broadcast RT transaction. and why do we care?? because that broadcast makes the retimers on the link assign an index to themselves 🫶 like they're picking their own usernames in the group chat and honestly? slay, self-sufficient icons 💅✨

no cap, that's the entire job. it's giving "just send the message and let them sort themselves out" energy 🔥

⭐ RETURN

  • 0 on success 🌈
  • a negative errno otherwise 💀 (yeah, if it's negative, something went wrong, go check that errno bestie 🙈)

👑 SEE ALSO

and now the extended fam 🫶 — every single one of these, fr fr:

oh and the kernel file to go peek at: ./drivers/thunderbolt/usb4.c 👀 that's where the magic lives.

ngl bestie, 70+ SEE ALSO entries is a lot of reading but you got this 💜 drink some water 🧚

and that's the page!! 🦋 brought to you by ./drivers/thunderbolt with the October 2026 date stamp, mwah, bye bestie 💅✨🎀

📦 where this page comes from