onenand_read_fact_prot_reg(9)

💖 onenand_read_fact_prot_reg(9) 💖

okay so bestie, this is the Kernel API Manual page for onenand_read_fact_prot_reg(9) — yes, the whole name, we’re using it. It’s giving tiny MTD interface function with main character energy, and we’re gonna read it together. 💅

🌸 NAME 🌸

onenand_read_fact_prot_reg — [MTD Interface] Read factory OTP area

✨ SYNOPSIS ✨

int onenand_read_fact_prot_reg (struct mtd_info *mtd , loff_t from ,
       size_t len , size_t *retlen , u_char *buf );

🎀 ARGUMENTS 🎀

• mtd — MTD device structure. That’s the device itself, bestie.
• from — The offset to read. Literally where we’re starting.
• len — number of bytes to read. The length of the little data snack.
• retlen — pointer to variable to store the number of read bytes. It reports back how much got read.
• buf — the databuffer to put/get data. The place where the data goes.

🦋 DESCRIPTION 🦋

Read factory OTP area. That’s the whole mission, no cap. 🔥

🔥 SEE ALSO 🔥

Kernel file: ./drivers/mtd/nand/onenand/onenand_base.c — and the whole extended friend group is:

• onenand_readw(9)
• onenand_writew(9)
• onenand_block_address(9)
• onenand_bufferram_address(9)
• onenand_page_address(9)
• onenand_buffer_address(9)
• flexonenand_block(9)
• flexonenand_addr(9)
• onenand_get_density(9)
• flexonenand_region(9)
• onenand_command(9)
• onenand_read_ecc(9)
• onenand_wait(9)
• onenand_bufferram_offset(9)
• onenand_read_bufferram(9)
• onenand_sync_read_bufferram(9)
• onenand_write_bufferram(9)
• onenand_get_2x_blockpage(9)
• onenand_check_bufferram(9)
• onenand_update_bufferram(9)
• onenand_invalidate_bufferram(9)
• onenand_get_device(9)
• onenand_release_device(9)
• onenand_transfer_auto_oob(9)
• onenand_recover_lsb(9)
• onenand_mlc_read_ops_nolock(9)
• onenand_read_ops_nolock(9)
• onenand_read_oob_nolock(9)
• onenand_read_oob(9)
• onenand_bbt_wait(9)
• onenand_bbt_read_oob(9)
• onenand_verify_oob(9)
• onenand_verify(9)
• onenand_panic_write(9)
• onenand_fill_auto_oob(9)
• onenand_write_ops_nolock(9)
• onenand_write_oob_nolock(9)
• onenand_write_oob(9)
• onenand_block_isbad_nolock(9)
• onenand_multiblock_erase(9)
• onenand_block_by_block_erase(9)
• onenand_erase(9)
• onenand_sync(9)
• onenand_block_isbad(9)
• onenand_default_block_markbad(9)
• onenand_block_markbad(9)
• onenand_do_lock_cmd(9)
• onenand_lock(9)
• onenand_unlock(9)
• onenand_check_lock_status(9)
• onenand_unlock_all(9)
• onenand_otp_command(9)
• onenand_otp_write_oob_nolock(9)
• do_otp_read(9)
• do_otp_write(9)
• do_otp_lock(9)
• onenand_otp_walk(9)
• onenand_get_fact_prot_info(9)
• onenand_get_user_prot_info(9)
• onenand_read_user_prot_reg(9)
• onenand_write_user_prot_reg(9)
• onenand_lock_user_prot_reg(9)
• onenand_check_features(9)
• onenand_print_device_info(9)
• onenand_check_maf(9)
• flexonenand_get_boundary(9)
• flexonenand_get_size(9)
• flexonenand_check_blocks_erased(9)
• onenand_chip_probe(9)
• onenand_probe(9)
• onenand_suspend(9)
• onenand_resume(9)
• onenand_scan(9)
• onenand_release(9)

mwah 💋 — source/version: ./drivers/mtd/nand/onenand, date: October 2026, page: onenand_read_fact_prot_reg(9). That’s the footer, bestie. 🫶