of_genpd_sync_state(9)

💅 NAME

of_genpd_sync_state — the one shared sync_state function that every genpd provider can call, bestie. Like, it's the communal glue. ✨

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🌸 SYNOPSIS

void of_genpd_sync_state (struct device_node *np );

That's it. One argument. Void return. No drama. 💅

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🎀 ARGUMENTS

• np — the struct device_node that the genpd provider is attached to. Like, the node is the whole identity of the provider, iykyk. 🦋

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✨ DESCRIPTION

Okay so here's the tea: the np that corresponds to a genpd provider might be responsible for one genpd, or honestly it might be out here juggling multiple genpds at once — main character energy, no cap. 👑

What this function does is take that np and use it to find all the genpds that belong to the provider. Scavenger hunt but make it kernel internals. 🔍

Then, for each genpd it finds, it tries a power-off. That's the whole vibe — one by one, we attempt to power them down. 😴

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🔥 SEE ALSO

Like, literally the whole extended friend group. Every single one of them:

• Kernel file ./drivers/pmdomain/core.c
• dev_pm_genpd_set_performance_state(9), dev_pm_genpd_set_next_wakeup(9), dev_pm_genpd_get_next_hrtimer(9), dev_pm_genpd_set_hwmode(9), dev_pm_genpd_get_hwmode(9), dev_pm_genpd_rpm_always_on(9), dev_pm_genpd_is_on(9), pm_genpd_inc_rejected(9)
• genpd_queue_power_off_work(9), genpd_power_off(9), genpd_power_on(9), genpd_power_off_work_fn(9)
• __genpd_runtime_suspend(9), __genpd_runtime_resume(9), genpd_runtime_suspend(9), genpd_runtime_resume(9)
• genpd_power_off_unused(9), genpd_sync_power_off(9), genpd_sync_power_on(9)
• genpd_prepare(9), genpd_finish_suspend(9), genpd_suspend_noirq(9), genpd_finish_resume(9), genpd_resume_noirq(9), genpd_freeze_noirq(9), genpd_thaw_noirq(9), genpd_poweroff_noirq(9), genpd_restore_noirq(9), genpd_complete(9)
• dev_pm_genpd_suspend(9), dev_pm_genpd_resume(9)
• pm_genpd_add_device(9), pm_genpd_remove_device(9)
• dev_pm_genpd_add_notifier(9), dev_pm_genpd_remove_notifier(9)
• pm_genpd_add_subdomain(9), pm_genpd_remove_subdomain(9)
• pm_genpd_init(9), pm_genpd_remove(9)
• struct of_genpd_provider(9)
• genpd_xlate_simple(9), genpd_xlate_onecell(9)
• genpd_add_provider(9), of_genpd_add_provider_simple(9), of_genpd_add_provider_onecell(9), of_genpd_del_provider(9), genpd_get_from_provider(9)
• of_genpd_add_child_ids(9), of_genpd_remove_child_ids(9)
• of_genpd_add_device(9), of_genpd_add_subdomain(9), of_genpd_remove_subdomain(9), of_genpd_remove_last(9)
• genpd_dev_pm_detach(9), genpd_dev_pm_attach(9), genpd_dev_pm_attach_by_id(9), genpd_dev_pm_attach_by_name(9)
• of_genpd_parse_idle_states(9)

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And that's the whole page, bestie 🫶 this one came from the ./drivers/pmdomain source, dated October 2026 — go forth and power things off responsibly 💜🔌