exynos_cpu_power_down(9)

🌸 exynos_cpu_power_down(9) 🌸

hiii bestie 💖 welcome to the Kernel API Manual page for exynos_cpu_power_down(9). yes, we're doing kernel cpu power stuff today. stay with me, it's literally so slay.

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💅 NAME 💅

exynos_cpu_power_down — power down the specified cpu. that's the whole name, no cap 💅

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✨ SYNOPSIS ✨

void exynos_cpu_power_down (int cpu );

okay so that's the exact signature, character for character. she takes an int cpu and returns void. iconic behavior honestly.

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🎀 ARGUMENTS 🎀

• cpu — the cpu to power down. that's it, that's the argument 🫶

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🦋 DESCRIPTION 🦋

okay so bestie, this function will power down the specified cpu. literally what it says on the tin.

but the important plot twist: the sequence must be finished by a call to cpu_do_idle. so like… do not just power the cpu down and dip. the sequence has to be finished with that call. that's the rule, periodt.

💀 bestie please remember: the sequence must be finished by a call to cpu_do_idle. no leaving it half-done, iykyk.

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🔥 SEE ALSO 🔥

the kernel file is ./arch/arm/mach-exynos/platsmp.c, and the related pages are giving linked lore:

• exynos_cpu_power_up(9)
• exynos_cpu_power_state(9)
• exynos_cluster_power_down(9)
• exynos_cluster_power_up(9)
• exynos_cluster_power_state(9)
• exynos_scu_enable(9)

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🫶 okay that's the whole page, bestie. this one lives under ./arch/arm/mach-exynos, it's dated October 2026, and the page itself is exynos_cpu_power_down(9). mwah 💋✨