nvmem_add_cells(9)

💅 nvmem_add_cells(9) — Kernel API Manual ✨

okay bestie, welcome to the nvmem girlies' corner of the kernel ✨ this one's a section 9 manual page, and it's genuinely so straightforward you're gonna be obsessed.

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🌸 NAME 🌸

nvmem_add_cells — literally just "add cell information to an nvmem device", no cap, that's the whole vibe 🎀

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🦋 SYNOPSIS 🦋

int nvmem_add_cells (struct nvmem_device *nvmem , const struct
       nvmem_cell_info *info , int ncells );

like, yes, that's the signature exactly as written, don't come for me 💅

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✨ ARGUMENTS ✨

• nvmem — the nvmem device you're adding cells to 🫶 this is the main character of the operation.
• info — the nvmem cell info you're adding to the device. the payload, the moment, the content.
• ncells — how many cells are living in info. yes, plural, it's a batch situation 🔥

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⭐ RETURN ⭐

0 on success, or a negative error code on failure 😭 (she can't always slay, okay?)

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💖 SEE ALSO 💖

the kernel file in question is ./drivers/nvmem/core.c — iconic source, go read it — and here's the whole friend group, all of them, in order, no skipping 👑

• nvmem_add_one_cell(9)
• nvmem_register_notifier(9)
• nvmem_unregister_notifier(9)
• nvmem_register(9)
• nvmem_unregister(9)
• devm_nvmem_register(9)
• of_nvmem_device_get(9)
• nvmem_device_get(9)
• nvmem_device_find(9)
• devm_nvmem_device_put(9)
• nvmem_device_put(9)
• devm_nvmem_device_get(9)
• of_nvmem_cell_get(9)
• nvmem_cell_get(9)
• devm_nvmem_cell_get(9)
• devm_nvmem_cell_put(9)
• nvmem_cell_put(9)
• nvmem_cell_read(9)
• nvmem_cell_write(9)
• nvmem_cell_read_u8(9)
• nvmem_cell_read_u16(9)
• nvmem_cell_read_u32(9)
• nvmem_cell_read_u64(9)
• nvmem_cell_read_variable_le_u32(9)
• nvmem_cell_read_variable_le_u64(9)
• nvmem_device_cell_read(9)
• nvmem_device_cell_write(9)
• nvmem_device_read(9)
• nvmem_device_write(9)
• nvmem_add_cell_lookups(9)
• nvmem_del_cell_lookups(9)
• nvmem_dev_name(9)
• nvmem_dev_size(9)

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okay that's the page!! no complicated flags, no gotchas, just vibes and a return value 🧚

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mwah, that's the whole thing 💜 this cutie lives in the ./drivers/nvmem source tree and it's dated October 2026, see you in the next man page bestie 🌈💅