micron_st_nor_ready(9)

💅 micron_st_nor_ready(9) — the flash vibe check

Okay bestie, so micron_st_nor_ready(9) is literally the “are you ready for new commands?” check for your flash chip, and it’s giving main character energy in the kernel API manual ✨

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🎀 NAME 🎀

micron_st_nor_ready — Query the Status Register as well as the Flag Status Register to see if the flash is ready for new commands. If there are any errors in the FSR clear them. No cap, that’s the whole assignment 💖

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✨ SYNOPSIS ✨

int micron_st_nor_ready (struct spi_nor *nor );

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🦋 ARGUMENTS 🦋

• nor — pointer to 'struct spi_nor'. That’s your flash struct bestie, she’s the main character here 🫶

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🌸 RETURN 🌸

• 1 — ready, slay 💅
• 0 — not ready, not yet, hold please 🙈
• -errno — errors happened, and that’s the whole mood 😭

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🌈 SEE ALSO 🌈

Kernel file ./drivers/mtd/spi-nor/micron-st.c micron_st_nor_read_fsr(9), micron_st_nor_clear_fsr(9) — go read those too, iykyk 👑

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bestie reminder: this page is from the kernel API manual, and the facts are iconic and non-negotiable 💜

mwah 💋 this cutie lives under ./drivers/mtd/spi-nor, October 2026 edition — catch you in the kernel, bestie 🫶✨