cypress_nor_get_page_size(9)

✨ cypress_nor_get_page_size(9) ✨

okay so this is a page from the Kernel API Manual, and honestly? it's giving "tiny function, big responsibilities" 💅 let me walk you through it bestie, no cap.

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🌸 NAME 🌸

cypress_nor_get_page_size — literally just "Get flash page size configuration." 🎀 that's the whole vibe.

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🦋 SYNOPSIS 🦋

int cypress_nor_get_page_size (struct spi_nor *nor );

like, it takes one thing and gives you back an int, periodt.

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💖 ARGUMENTS 💖

• nor — a pointer to a struct spi_nor 🫶 that's it, that's the whole argument list, she's low-maintenance.

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✨ DESCRIPTION ✨

okay so here's the tea ☕ — the BFPT table advertises a 512B or 256B page size depending on the part, but plot twist: the page size is actually configurable (with the default being 256B). 🙈

so what does this function do? it reads from CFR3V[4] and sets the correct size. that's the whole mission, and she ate. 💅

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🔥 RETURN 🔥

• 0 on success 🎉
• -errno otherwise 😭

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👑 SEE ALSO 👑

• Kernel file ./drivers/mtd/spi-nor/spansion.c and struct spansion_nor_params(9)
• spansion_nor_clear_sr(9)
• cypress_nor_sr_ready_and_clear(9)
• cypress_nor_quad_enable_volatile(9)
• cypress_nor_determine_addr_mode_by_sr1(9)
• cypress_nor_set_addr_mode_nbytes(9)
• cypress_nor_set_octal_dtr(9)
• spansion_nor_sr_ready_and_clear(9)

go read those too bestie, iykyk 💜

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that's the whole page!! 🧚 from ./drivers/mtd/spi-nor, October 2026, Kernel API Manual energy all the way through 🌈 mwah, ily, go configure some flash page sizes 💋⭐🍓