dpll_pin_on_pin_register(9)

📦 version 7.3.1, in nixpkgs unstable

💅 dpll_pin_on_pin_register(9) — register a pin with a parent pin

Okay so this page comes from the Kernel API Manual, and it's literally the glow-up notes for dpll_pin_on_pin_register(9). Bestie, it's giving "wire up a pin to its parent pin and make the references behave" energy. ✨

🎀 NAME 🎀

dpll_pin_on_pin_register — register a pin with a parent pin

📎 SYNOPSIS 📎

int dpll_pin_on_pin_register (struct dpll_pin *parent , struct dpll_pin
       *pin , const struct dpll_pin_ops *ops , void *priv );

🫶 ARGUMENTS 🫶

  • parent — pointer to a parent pin 💖
  • pin — pointer to a pin 🌸
  • ops — ops for a dpll pin 🎀
  • priv — pointer to private information of owner 🔐

🦋 DESCRIPTION 🦋

Register a pin with a parent pin, create references between them, and create references between the newly registered pin and the dplls connected with a parent pin. No cap, that's the whole vibe: parent + pin get linked, and the fresh pin also gets its references sorted with the dplls hanging off that parent pin. 💫

🔒 CONTEXT 🔒

Acquires a lock (dpll_lock). So yeah, it's locking — not me forgetting the lock, bestie. 💅

⭐ RETURN ⭐

  • 0 on success 👑
  • negative - error value 😭

👀 SEE ALSO 👀

Kernel file ./drivers/dpll/dpll_core.c plus the whole icon squad:

Source/version: ./drivers/dpll — date: October 2026. This iconic dpll_pin_on_pin_register(9) page says byeee, go register those pins responsibly! 🫶💖

📦 where this page comes from