rpm_callback(9)

🦋 rpm_callback(9) — the kernel API manual page, bestie edition 🦋

okay so this is rpm_callback, a page from the Kernel API Manual, and honestly it's a short one but it matters, so grab your iced coffee and let's go 💅

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✨ NAME ✨

rpm_callback — run a given runtime PM callback for a given device. that's it. that's the whole job. iconic minimalism 🎀

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🌸 SYNOPSIS 🌸

int rpm_callback (int (*cb)(struct device *) , struct device *dev );

like, you hand it a callback and a device, and it returns an int. simple. clean. slay ✨

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💖 ARGUMENTS 💖

• cb — the runtime PM callback you want to run. it's typed as int (*cb)(struct device *), so yeah, it takes a struct device * and gives you back an int. that's your main character function pointer right there 👑
• dev — the device you're running that callback for. the one getting the whole runtime PM treatment. give it what it deserves 🫶

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🔥 SEE ALSO 🔥

so there's a lot of friends in this group chat, and ngl you should probably meet all of them:

• the kernel file ./drivers/base/power/runtime.c — that's where the lore lives 📖
• update_pm_runtime_accounting(9)
• pm_runtime_deactivate_timer(9)
• pm_runtime_cancel_pending(9)
• rpm_check_suspend_allowed(9)
• pm_runtime_release_supplier(9)
• __rpm_callback(9)
• rpm_idle(9)
• rpm_suspend(9)
• rpm_resume(9)
• pm_runtime_work(9)
• pm_suspend_timer_fn(9)
• pm_schedule_suspend(9)
• __pm_runtime_idle(9)
• __pm_runtime_suspend(9)
• __pm_runtime_resume(9)
• pm_runtime_get_conditional(9)
• pm_runtime_get_if_active(9)
• pm_runtime_get_if_in_use(9)
• __pm_runtime_set_status(9)
• __pm_runtime_barrier(9)
• pm_runtime_barrier(9)
• pm_runtime_enable(9)
• devm_pm_runtime_set_active_enabled(9)
• devm_pm_runtime_enable(9)
• devm_pm_runtime_get_noresume(9)
• pm_runtime_forbid(9)
• pm_runtime_allow(9)
• pm_runtime_no_callbacks(9)
• pm_runtime_irq_safe(9)
• update_autosuspend(9)
• pm_runtime_set_autosuspend_delay(9)
• __pm_runtime_use_autosuspend(9)
• pm_runtime_init(9)
• pm_runtime_reinit(9)
• pm_runtime_remove(9)
• pm_runtime_get_suppliers(9)
• pm_runtime_put_suppliers(9)
• pm_runtime_drop_link(9)
• pm_runtime_force_suspend(9)
• pm_runtime_force_resume(9)

like, that's the whole squad. read them, love them, iykyk 💀✨

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bestie reminder: this page is short on purpose, so don't go inventing extra behaviour for it. everything above is literally everything the page says. no cap 🧚

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and that's the wrap! this masterpiece came from ./drivers/base/power and it's dated October 2026 — so go forth, run your callbacks, and stan runtime PM responsibly 💜🌈⭐