serial8250_get_port(9)

💖 serial8250_get_port(9) 💖

Welcome to the Kernel API Manual, bestie! Buckle up, because this one is short, iconic, and very “do not touch unless you know the lore.” 🫶

✨ NAME ✨

serial8250_get_port — retrieve struct uart_8250_port 🎀

💅 SYNOPSIS 💅

struct uart_8250_port * serial8250_get_port (int line );

🌸 ARGUMENTS 🌸

• line — serial line number. That's the whole assignment, bestie. 💫

🦋 DESCRIPTION 🦋

Okay so this function retrieves struct uart_8250_port for the specific line. Slay. But listen, and listen good: this struct must not be used to perform a 8250 or serial core operation which is not accessible otherwise. Like, do not use it for random side quests. 🙈

Its only purpose is to make the struct accessible to the runtime-pm callbacks for context suspend/restore. That's it. Main character struct energy only. 👑

The lock assumption made here is none because runtime-pm suspend/resume callbacks should not be invoked if there is any operation performed on the port. So there's no lock lore to memorize here, bestie. 💀

🌈 SEE ALSO 🌈

• Kernel file ./drivers/tty/serial/8250/8250_core.c
• univ8250_console_match(9), serial8250_suspend_port(9), serial8250_resume_port(9), serial8250_register_8250_port(9), serial8250_unregister_port(9)

Catch you later, bestie! 💅 This page came from ./drivers/tty/serial/8250, dated October 2026, and it's all about serial8250_get_port(9) — periodt. 🎀