dpll_device_register(9)

💅 dpll_device_register — kernel API manual, bestie edition ✨

okay so real talk, this is a page straight out of the Kernel API Manual and it's all about introducing a dpll device to the subsystem 🎀 lowkey iconic of it.

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🌸 NAME 🌸

dpll_device_register — register the dpll device in the subsystem, periodt 💖

✨ SYNOPSIS ✨

int dpll_device_register (struct dpll_device *dpll , enum dpll_type type
, const struct dpll_device_ops *ops , void *priv );

that's the whole vibe right there, no cap 🫶

🎀 ARGUMENTS 🎀

• dpll — pointer to a dpll, like literally the star of the show 💫
• type — type of a dpll, enum dpll_type energy
• ops — ops for a dpll device, the function table bestie
• priv — pointer to private information of owner, your own lil secret stash 🙈

🦋 DESCRIPTION 🦋

Make dpll device available for user space 💅 that's it, that's the whole job. it's giving "introduce your friend to the group chat" but for kernel devices ✨

🔒 CONTEXT 🔒

Acquires a lock (dpll_lock). so yeah, it grabs the lock — respect the lock bestie, fr fr 🫡

⭐ RETURN ⭐

• 0 on success 🎉 slay
• negative – error value 😭 not the vibe, check your inputs

👑 SEE ALSO 👑

Kernel file ./drivers/dpll/dpll_core.c — go read the source, iykyk 💜

and the whole squad, all of them, no skips:

dpll_device_get(9), dpll_device_put(9), dpll_device_unregister(9), dpll_pin_get(9), dpll_pin_put(9), dpll_pin_fwnode_set(9), fwnode_dpll_pin_find(9), dpll_pin_register(9), dpll_pin_unregister(9), dpll_pin_on_pin_register(9), dpll_pin_on_pin_unregister(9), dpll_pin_ref_sync_pair_add(9), dpll_pin_own_dpll_ref_first(9)

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ngl this one's short and sweet, but the lore is deep — the dpll subsystem is a whole main character and you're just meeting it 💅

okay bye bestie, this page lives in ./drivers/dpll, it's dated October 2026, and it's filed under dpll_device_register(9) in the Kernel API Manual 🌈 go register something iconic 🎀💖✨