doc_read_data_area(9)

💖 doc_read_data_area — read data from data area 💖

okay so welcome to the Kernel API Manual bestie, today's main character is doc_read_data_area(9) and she is literally just here to read some bytes for you 🫶

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✨ NAME ✨

doc_read_data_area — read data from data area 💅

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🌸 SYNOPSIS 🌸

void doc_read_data_area (struct docg3 *docg3 , void *buf , int len , int
first );

like yes the line break in the middle of int first is iconic and we're keeping it, no I don't make the rules 🎀

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🦋 ARGUMENTS 🦋

• docg3 — the device, your lil flash buddy 🫶
• buf — the buffer to fill in. and yes, it might be NULL for dummy reads — she's not being shady, that's just how it works 🙈
• len — the length to read. how many bytes we're grabbing, bestie 💫
• first — first time read, in which case DOC_READADDRESS should be set. should be. set it. please. 👑⭐

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💜 DESCRIPTION 💜

Reads bytes from flash data. Handles the single byte / even bytes reads — the way she keeps it cute and even is genuinely so obsessed of her 😭🔥

like that's it, that's the whole job, and she ate. periodt. 💅

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/mtd/devices/docg3.c
• doc_delay(9)
• doc_write_data_area(9)
• doc_set_reliable_mode(9)
• doc_set_asic_mode(9)
• doc_set_device_id(9)
• doc_set_extra_page_mode(9)
• doc_setup_addr_sector(9)
• doc_setup_writeaddr_sector(9)
• doc_read_seek(9)
• doc_write_seek(9)
• doc_read_page_ecc_init(9)
• doc_write_page_ecc_init(9)
• doc_ecc_disable(9)
• doc_hamming_ecc_init(9)
• doc_ecc_bch_fix_data(9)
• doc_read_page_prepare(9)
• doc_read_page_getbytes(9)
• doc_write_page_putbytes(9)
• doc_get_bch_hw_ecc(9)
• doc_page_finish(9)
• doc_read_page_finish(9)
• calc_block_sector(9)
• doc_read_oob(9)
• doc_block_isbad(9)
• doc_get_erase_count(9)
• doc_get_op_status(9)
• doc_write_erase_wait_status(9)
• doc_erase_block(9)
• doc_erase(9)
• doc_write_page(9)
• doc_guess_autoecc(9)
• doc_fill_autooob(9)
• doc_backup_oob(9)
• doc_write_oob(9)
• doc_set_driver_info(9)
• doc_probe_device(9)
• doc_release_device(9)
• docg3_resume(9)
• docg3_suspend(9)
• docg3_probe(9)
• docg3_release(9)

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that's the whole friend group right there, go say hi to all of them, iykyk 💜

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okay bye bestie, this page lives in ./drivers/mtd/devices, dated October 2026, and it's filed under doc_read_data_area(9) — mwah, slay, see u in the next man page 🎀✨💖