of_changeset_action(9)

📦 version 7.3.1, in nixpkgs unstable

🎀 of_changeset_action(9) 🎀

okay so you're reading the Kernel API Manual bestie, welcome, pull up a chair 💖 this one's about of_changeset_action and honestly it's giving "tiny function, big job" energy.

✨ NAME ✨

of_changeset_action — adds an action to the tail of the changeset list 🫶 like, the end of the line, no cutting, no cap.

🌸 SYNOPSIS 🌸

int of_changeset_action (struct of_changeset *ocs , unsigned long action
, struct device_node *np , struct property *prop );

look at her, so compact, so iconic ✨ copy it exactly, spacing and all, because we do not improvise function signatures in this house 💅

🦋 ARGUMENTS 🦋

  • ocs — the changeset pointer 💫 your main character struct, the whole vibe check happens on this one.
  • action — the action to perform 🎬 literally the thing you're telling it to do.
  • np — pointer to a device node 🌳 the tree node in question.
  • prop — pointer to a property 🎀 the property hanging out alongside it.

👑 DESCRIPTION 👑

so, the whole deal: this gets called when action is one of these, and we are listing all five because every single one matters 🔥

  • OF_RECONFIG_ATTACH_NODE
  • OF_RECONFIG_DETACH_NODE
  • OF_RECONFIG_ADD_PROPERTY
  • OF_RECONFIG_REMOVE_PROPERTY
  • OF_RECONFIG_UPDATE_PROPERTY

that's the set 🌈 attach, detach, add, remove, update — the full glow-up rotation, iykyk.

💜 RETURN 💜

  • 0 on success 🥳 slay, it worked.
  • a negative error value in case of an error 😭 not a success, bestie, negative, keep that in mind.

⭐ SEE ALSO ⭐

kernel file ./drivers/of/dynamic.c — that's the spot, go look 🔍

and the whole friend group:

like, the entire group chat, all present and accounted for 💖

ngl this page is short but she ate 💅 no filler, all facts, and yes you should read the SEE ALSO list, it's literally the rest of the lore 🧚

and that's the wrap bestie 🌸 this one shipped from ./drivers/of back in October 2026, so jot that down in your notes app and go be iconic with your changesets 🎀💜

📦 where this page comes from