of_changeset_apply(9)

💫 of_changeset_apply(9) 💫

okay bestie, welcome to the Kernel API Manual — yes we're literally reading kernel docs together, this is our bonding era 🫶

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✨ NAME ✨

of_changeset_apply — it applies a changeset. that's it, that's the whole vibe 💅

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🌸 SYNOPSIS 🌸

int of_changeset_apply (struct of_changeset *ocs );

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🎀 ARGUMENTS 🎀

• ocs — the changeset pointer, aka the little handle to the changeset you're about to unleash 👑

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🦋 DESCRIPTION 🦋

so here's the tea: this bad boy applies a changeset to the live tree. no cap, the real one. 🌈

and the way that any side-effects of live tree state changes get applied here on success?? iconic. we're talking creation/destruction of devices, plus side-effects like creation of sysfs properties and directories. it's giving main character energy for real 😭🔥

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⭐ RETURN ⭐

• 0 on success 🎉
• a negative error value in case of an error 💀

and ngl, the good part: on error, the partially applied effects are reverted. slay, we love a clean rollback 🙈✨

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👑 SEE ALSO 👑

kernel file ./drivers/of/dynamic.c — plus the whole friend group:

• of_node_get(9)
• of_node_put(9)
• of_attach_node(9)
• of_detach_node(9)
• of_node_release(9)
• __of_prop_dup(9)
• __of_node_dup(9)
• of_changeset_create_node(9)
• of_changeset_init(9)
• of_changeset_destroy(9)
• of_changeset_revert(9)
• of_changeset_action(9)
• of_changeset_add_prop_string(9)
• of_changeset_add_prop_string_array(9)
• of_changeset_add_prop_u32_array(9)
• of_changeset_add_prop_bool(9)
• of_changeset_update_prop_string(9)

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and that's the whole page, bestie — go forth and apply those changesets responsibly 💖

little sign-off from the source: this one lives in ./drivers/of and it's dated October 2026. periodt. 🍓🧚