devm_of_rese..._device_init(9)

💅 devm_of_rese..._device_init(9) — a Kernel API Manual moment

ok so bestie, welcome to the kernel API manual, and yes the title is literally truncated like that — devm_of_rese..._device_init(9) — the kernel was too busy being iconic to finish typing, we love that for it 🎀

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✨ NAME ✨

devm_of_reserved_mem_device_init — the resource-managed glow-up of of_reserved_mem_device_init() 🦋

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🌸 SYNOPSIS 🌸

int devm_of_reserved_mem_device_init (struct device *dev );

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💖 ARGUMENTS 💖

• dev — pointer to the device you wanna configure. it's giving "here's the main character, please set them up" 👑

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🧚 DESCRIPTION 🧚

okay so picture this: this is a resource managed version of of_reserved_mem_device_init. that's the whole vibe. the reserved memory region gets released automatically when the device is unbound — like, you don't have to remember to clean up, the kernel does it for you, no cap ✨ honestly the way devm handles the release for you is highkey iconic.

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⭐ RETURN ⭐

• negative errno on failure 😭 (flop era)
• zero on success 💅 (slay era)

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🔥 SEE ALSO 🔥

• Kernel file ./drivers/of/of_reserved_mem.c — go read the source, iykyk 🫶
• fdt_scan_reserved_mem_late(9)
• fdt_fixup_reserved_mem_node(9)
• fdt_validate_reserved_mem_node(9)
• __reserved_mem_init_node(9)
• fdt_init_reserved_mem_node(9)
• of_reserved_mem_device_init_by_idx(9)
• of_reserved_mem_device_init_by_name(9)
• of_reserved_mem_device_release(9)
• of_reserved_mem_lookup(9)
• of_reserved_mem_region_to_resource(9)
• of_reserved_mem_region_to_resource_byname(9)
• of_reserved_mem_region_count(9)

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and that's the whole page, bestie! 🍓 this one's filed under ./drivers/of, dated October 2026, and it's devm_of_rese..._device_init(9) all the way down. periodt 💜✨