reboot_mode_register(9)

💫 reboot_mode_register(9) 💫

okay so this is a page from the Kernel API Manual and bestie, it's a short one but it's important, so pay attention 🫶

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✨ NAME ✨

reboot_mode_register — literally registers a reboot mode driver 💅

Like, that's it. That's the whole vibe. Your driver shows up, gets a name tag, and now the kernel knows it exists. slay.

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🌸 SYNOPSIS 🌸

int reboot_mode_register (struct reboot_mode_driver *reboot );

no cap, that's the whole signature. look at her go 🔥

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🎀 ARGUMENTS 🎀

• reboot — the reboot mode driver. yeah, that's the whole description. she's the star of the show, the main character, the struct reboot_mode_driver * you're handing over ✨

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💖 RETURN 💖

returns 0 on success 🎉 or a negative error code on failure 😭 (and yes, if you see a negative number come back, something went sideways — check it, fr fr).

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🦋 SEE ALSO 🦋

• Kernel file ./drivers/power/reset/reboot-mode.c — the source, go read it, iykyk 👑
• reboot_mode_unregister(9) — the breakup counterpart 💔
• devm_reboot_mode_register(9) — the managed version, kinda iconic ngl
• devm_reboot_mode_unregister(9) — and its managed breakup 💀

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🌈 reminder bestie: register it, and when you're done, unregister it. the kernel does not forget. 🙈

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that's the whole page, mwah 💋 — sourced straight from ./drivers/power/reset, dated October 2026, and yeah, the page name is literally reboot_mode_register(9) again at the bottom because manpages love a little encore. periodt. 🍓🧚‍♀️