cdns_uart_startup(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 cdns_uart_startup(9) — from the Kernel API Manual, bestie 💅

Okay so picture this: you're deep in the kernel, someone just opened a cdns_uart port, and the kernel is like "bestie, who's gonna handle this?" That's literally this function. She's the startup girlie — the one who gets called when an application opens a cdns_uart port. Main character energy, no cap. ✨

✨ NAME ✨

cdns_uart_startup — the function that gets called when an application opens a cdns_uart port 🎀

🦋 SYNOPSIS 🦋

int cdns_uart_startup (struct uart_port *port );

💖 ARGUMENTS 💖

  • port — the handle to the uart port structure 🫶 like, this is the port, the whole vibe, the thing you're starting up

⭐ RETURN ⭐

0 on success, and a negative errno otherwise. So if you get 0, slay, we're so back. If it's negative? Not the vibe, check your errno. 😭

👑 SEE ALSO 👑

Kernel file ./drivers/tty/serial/xilinx_uartps.c, plus literally the whole friend group:

iykyk — literally all of these live in ./drivers/tty/serial/xilinx_uartps.c and they're all iconic in their own way 🌈

mwah 💜 that's the page! sourced from ./drivers/tty/serial, dated October 2026 — go forth and start those ports, bestie, periodt. 🧚‍♀️🍓

📦 where this page comes from