spi_nor_erase_die(9)

💅 spi_nor_erase_die(9) — like, the whole die, gone 💅

okay bestie, gather round, because this is a page from the Kernel API Manual and the function is literally called spi_nor_erase_die — yes, the entire die, we're not doing the little sector thing today, we're going full send ✨

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🌸 NAME 🌸

spi_nor_erase_die — erase the entire die. that's it. that's the whole vibe. the whole die. all of it. 🫶

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✨ SYNOPSIS ✨

int spi_nor_erase_die (struct spi_nor *nor , loff_t addr , size_t
die_size );

it gives you back an int, because of course it does, that's the standard "did it work or not" energy 💫

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🎀 ARGUMENTS 🎀

• nor — pointer to struct spi_nor. your main character struct, the spi nor flash representation, we love her 👑
• addr — address of the die. where the die lives, geographically speaking 🗺️
• die_size — size of the die. how much die we're erasing, like a measurement, not a guess, please be accurate bestie 📏

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🔥 RETURN 🔥

• 0 on success 🎉
• -errno otherwise 😭

that's it. that's the contract. no in-between, no "maybe", zero ambiguity, we stan a decisive return value 💅

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🦋 SEE ALSO 🦋

bestie. okay. sit down. the kernel file ./drivers/mtd/spi-nor/core.c has, and I cannot stress this enough, so many friends, and they're all here:

spi_nor_get_cmd_ext(9), spi_nor_spimem_setup_op(9), spi_nor_spimem_bounce(9), spi_nor_spimem_exec_op(9), spi_nor_spimem_read_data(9), spi_nor_read_data(9), spi_nor_spimem_write_data(9), spi_nor_write_data(9), spi_nor_read_any_reg(9), spi_nor_write_any_volatile_reg(9), spi_nor_write_enable(9), spi_nor_write_disable(9), spi_nor_read_id(9), spi_nor_read_sr(9), spi_nor_read_cr(9), spi_nor_set_4byte_addr_mode_en4b_ex4b(9), spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(9), spi_nor_set_4byte_addr_mode_brwr(9), spi_nor_sr_ready(9), spi_nor_use_parallel_locking(9), spi_nor_ready(9), spi_nor_wait_till_ready_with_timeout(9), spi_nor_wait_till_ready(9), spi_nor_global_block_unlock(9), spi_nor_write_sr(9), spi_nor_write_sr1_and_check(9), spi_nor_write_16bit_sr_and_check(9), spi_nor_write_16bit_cr_and_check(9), spi_nor_write_16bit_sr_cr_and_check(9), spi_nor_write_sr_and_check(9), spi_nor_write_sr_cr_and_check(9), spi_nor_write_sr2(9), spi_nor_read_sr2(9), spi_nor_div_by_erase_size(9), spi_nor_find_best_erase_type(9), spi_nor_init_erase_cmd(9), spi_nor_destroy_erase_cmd_list(9), spi_nor_init_erase_cmd_list(9), spi_nor_erase_multi_sectors(9), spi_nor_sr1_bit6_quad_enable(9), spi_nor_sr2_bit1_quad_enable(9), spi_nor_sr2_bit7_quad_enable(9), spi_nor_spimem_check_read_pp_op(9), spi_nor_spimem_check_readop(9), spi_nor_spimem_check_pp(9), spi_nor_spimem_adjust_hwcaps(9), spi_nor_set_erase_type(9), spi_nor_mask_erase_type(9), spi_nor_init_uniform_erase_map(9), spi_nor_select_uniform_erase(9), spi_nor_manufacturer_init_params(9), spi_nor_no_sfdp_init_params(9), spi_nor_init_flags(9), spi_nor_init_fixup_flags(9), spi_nor_late_init_params(9), spi_nor_sfdp_init_params_deprecated(9), spi_nor_init_params_deprecated(9), spi_nor_init_default_params(9), spi_nor_init_params(9), spi_nor_quad_enable(9), spi_nor_set_4byte_addr_mode(9), spi_nor_soft_reset(9)

like I said. a lot of friends. it's giving family reunion and honestly? iconic. iykyk 💖

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ngl the SEE ALSO list is longer than the page itself and that's just the energy we're bringing today. no cap. 🌈

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and that's the page, bestie!! from the ./drivers/mtd/spi-nor manual section, dated October 2026 — go erase that whole die, you absolute legend, slay 💜🎀⭐