spinand_upd_cfg(9)

📦 version 7.3.1, in nixpkgs unstable

💅 spinand_upd_cfg(9)

okay bestie, so this is a page from the Kernel API Manual — yes, the Kernel API Manual — and today's main character is spinand_upd_cfg. she's a little function, she does one thing, and she does it well. periodt. 🌸

✨ NAME ✨

spinand_upd_cfg — Update the configuration register 💫

like, literally that's her whole job. updating the config reg. iconic behaviour, no notes.

🦋 SYNOPSIS 🦋

int spinand_upd_cfg (struct spinand_device *spinand , u8 mask , u8 val
);

look at her. three args, returns an int. clean, simple, lowkey perfect. 🎀

🫶 ARGUMENTS 🫶

  • spinand — the spinand device 💖 this is the lil guy you're operating on, the whole reason we're here
  • mask — the mask encoding the bits to update in the config reg ✨ think of it as the "which bits are we touching today" filter. very demure, very selective
  • val — the new value to apply ⭐ the actual new content going into those masked bits

🧚 DESCRIPTION 🧚

Update the configuration register. 💅

that's it. that's the whole description. she updates the configuration register, she doesn't overexplain, she doesn't do small talk. main character energy fr fr. 🔥

🌈 RETURN 🌈

  • 0 on success 🎉 slay
  • a negative error code otherwise 😭 so like… if you see a negative number, that's your vibe check failing, bestie
ngl, always check the return value. past you will thank present you. 🫶

👑 SEE ALSO 👑

the kernel file is ./drivers/mtd/nand/spi/core.c — that's where she lives, that's her home 🏠 and while you're in the neighborhood, go say hi to her friends:

iykyk, they all hang out together in the same subsystem 🦋

and that's the page, bestie!! 💜 this gem comes to you from ./drivers/mtd/nand/spi and it's dated October 2026 — so yeah, it's giving from the future, we love a timeless queen. 🌟 mwah, go update some config registers responsibly 💋

📦 where this page comes from