device_pm_lock(9)

💖 device_pm_lock — from the Kernel API Manual 💖

okay bestie, welcome to the Kernel API Manual, page device_pm_lock — yes the whole manual name is in the title, we're being ✨official✨ today.

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🌸 NAME 🌸

device_pm_lock — literally just locks the list of active devices that the PM core uses. that's it. that's the whole job. lowkey iconic for how simple it is 💅

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✨ SYNOPSIS ✨

void device_pm_lock (void );

like… she takes nothing, she returns nothing, she just locks. main character energy, no cap 🫶

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🎀 ARGUMENTS 🎀

• void — no arguments, bestie. zero. none. the void is empty and honestly? we respect it 🙈

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🦋 SEE ALSO 🦋

okay so this is the part where the manpage goes absolutely feral and lists everything in Kernel file ./drivers/base/power/main.c. buckle up, it's a long one, but I'm not skipping a single one of these — every single reference stays, fr fr 💀

• pm_hibernate_is_recovering(9)
• device_pm_sleep_init(9)
• device_pm_unlock(9)
• device_pm_add(9)
• device_pm_remove(9)
• device_pm_move_before(9)
• device_pm_move_after(9)
• device_pm_move_last(9)
• dpm_wait(9)
• pm_op(9)
• pm_late_early_op(9)
• pm_noirq_op(9)
• dpm_watchdog_handler(9)
• dpm_watchdog_set(9)
• dpm_watchdog_clear(9)
• dev_pm_skip_resume(9)
• device_resume_noirq(9)
• dpm_resume_noirq(9)
• device_resume_early(9)
• dpm_resume_early(9)
• dpm_resume_start(9)
• device_resume(9)
• dpm_resume(9)
• device_complete(9)
• dpm_complete(9)
• dpm_resume_end(9)
• resume_event(9)
• device_suspend_noirq(9)
• dpm_suspend_noirq(9)
• device_suspend_late(9)
• dpm_suspend_late(9)
• dpm_suspend_end(9)
• legacy_suspend(9)
• device_suspend(9)
• dpm_suspend(9)
• device_prepare(9)
• dpm_prepare(9)
• dpm_suspend_start(9)
• device_pm_wait_for_dev(9)
• dpm_for_each_dev(9)

forty of them. forty!! and they're all living in ./drivers/base/power — go read them, iykyk 📚🔥

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💜 tiny reminder bestie: device_pm_lock locks. device_pm_unlock(9) unlocks. don't forget to unlock, or things get ✨stuck✨ and nobody wants that 😭

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🌈 that's the whole page!! source/version is ./drivers/base/power and the date on this beauty is October 2026 — so yes, she's from the future, and she ate. periodt. 🎀💅👑