nanddev_erase(9)

💅 nanddev_erase(9) — the Kernel API Manual, but make it make sense 🎀

okay bestie, so this is a page straight out of the Kernel API Manual — nanddev_erase(9), which is literally the "please wipe this block" function for NAND devices. Let's get into it ✨

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🌸 NAME 🌸

nanddev_erase — erase a NAND portion, that's it, that's the whole vibe 💖

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🦋 SYNOPSIS 🦋

int nanddev_erase (struct nand_device *nand , const struct nand_pos *pos
);

two args, one int back, no cap 🫶

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🌈 ARGUMENTS 🌈

• nand — your NAND device 👑 the main character, honestly
• pos — the position of the block to erase 📍 like, which one are we wiping

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✨ DESCRIPTION ✨

So basically it erases the block — but only if it's not bad 💀 like it does a little vibe check first, and a bad block does NOT get erased. periodt.

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🔥 RETURN 🔥

• 0 — slay, success 💅✨
• a negative error code — otherwise 😭 not slay

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🎀 SEE ALSO 🎀

all the siblings in the kernel file ./drivers/mtd/nand/core.c — go say hi 🫶

• nand_check_erased_buf(9)
• nand_check_erased_ecc_chunk(9)
• nanddev_isbad(9)
• nanddev_markbad(9)
• nanddev_isreserved(9)
• nanddev_mtd_erase(9)
• nanddev_mtd_max_bad_blocks(9)
• nanddev_get_ecc_engine(9)
• nanddev_put_ecc_engine(9)
• nanddev_find_ecc_configuration(9)
• nanddev_ecc_engine_init(9)
• nanddev_ecc_engine_cleanup(9)
• nanddev_init(9)
• nanddev_cleanup(9)

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ngl the whole bad-block thing is the important bit — erase is conditional, not unconditional. remember that for the exam 💀

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k byeee, this one came from ./drivers/mtd/nand, dated October 2026, and it's filed under nanddev_erase(9) — mwah, go touch some flash 🧚‍♀️💜