serial8250_unregister_port(9)

💅 serial8250_unregister_port(9) 💅

okay bestie, welcome to the Kernel API Manual page for serial8250_unregister_port(9) — we’re doing runtime serial-port removal and it’s lowkey iconic 🎀

✨ NAME ✨

serial8250_unregister_port — remove a 16x50 serial port at runtime 💖

🌸 SYNOPSIS 🌸

void serial8250_unregister_port (int line );

🎀 ARGUMENTS 🎀

• line — serial line number, bestie. That’s the one you’re targeting 🫶

🦋 DESCRIPTION 🦋

So we’re removing one serial port. Just one. Not a whole collection, not a whole vibe — one port.

⚠️ This may not be called from interrupt context. Like, do not do that. It’s giving “please don’t” energy 😭.

We hand the port back to the our control. Yep, that’s the wording — the port goes back to the our control and we move on 💅.

🔥 SEE ALSO 🔥

• Kernel file: ./drivers/tty/serial/8250/8250_core.c
• serial8250_get_port(9)
• univ8250_console_match(9)
• serial8250_suspend_port(9)
• serial8250_resume_port(9)
• serial8250_register_8250_port(9)

okay that’s the whole page, bestie — source/version ./drivers/tty/serial/8250, October 2026, serial8250_unregister_port(9), signing off 🧚💜