devm_extcon_dev_allocate(9)

🦋 devm_extcon_dev_allocate(9) 🦋

okay so bestie, this is a page from the Kernel API Manual, and literally it's about one little function that's gonna make your life so much easier. no cap.

✨ NAME ✨

devm_extcon_dev_allocate — Allocate managed extcon device 💅

🌸 SYNOPSIS 🌸

struct extcon_dev * devm_extcon_dev_allocate (struct device *dev , const
       unsigned int *supported_cable );

🎀 ARGUMENTS 🎀

• dev — the device owning the extcon device being created. like, this is the main character device, periodt.
• supported_cable — the array of the supported external connectors, ending with EXTCON_NONE. fr fr, don't forget that terminator bestie, it's giving "the end" energy.

💖 DESCRIPTION 💖

This function manages automatically the memory of extcon device using device resource management 😭 and simplifies the control of freeing the memory of extcon device. the way that it just handles all the cleanup for you? obsessed.

Returns the pointer memory of allocated extcon_dev if success or ERR_PTR(err) if fail. slay or cry, no in-between.

🫶 lowkey iconic that this exists — device resource management is the bestie that never forgets to free memory.

🌈 SEE ALSO 🌈

Kernel file ./drivers/extcon/devres.c and these absolute legends:

• devm_extcon_dev_free(9)
• devm_extcon_dev_register(9)
• devm_extcon_dev_unregister(9)
• devm_extcon_register_notifier(9)
• devm_extcon_unregister_notifier(9)
• devm_extcon_register_notifier_all(9)
• devm_extcon_unregister_notifier_all(9)

and that's the vibe check! this page was served fresh from ./drivers/extcon 💜 dated October 2026 — go forth and allocate, bestie 👑✨