cypress_nor_...dy_and_clear(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… cypress_nor_sr_ready_and_clear(9) πŸ’…

okay so first things first, bestie β€” this is a page from the Kernel API Manual, section 9, and the function's full government name is cypress_nor_sr_ready_and_clear. the header up top is just the short version, she's shy. anyways. πŸŽ€


✨ NAME ✨

cypress_nor_sr_ready_and_clear β€” this one queries the Status Register of each die by using the Read Any Register command, to see if the whole flash is ready for new commands, and then clears it if there are any errors. that's the whole vibe check. πŸ¦‹


✨ SYNOPSIS ✨

int cypress_nor_sr_ready_and_clear (struct spi_nor *nor );

that's it. that's the whole entry point. icon behavior. ✨


✨ ARGUMENTS ✨

  • nor β€” a pointer to struct spi_nor. literally just a pointer, no cap. give her the struct and she'll take it from there 🫢

✨ RETURN ✨

so here's the tea on what you get back, and there are exactly three possible outcomes:

  • 1 β€” ready πŸ‘‘
  • 0 β€” not ready πŸ™ˆ
  • -errno β€” on errors πŸ’€

like yes she's giving chaotic tri-state energy but that's just how it is.


✨ SEE ALSO ✨

go read these too, they're all in their flop era without each other, fr fr:


ngl, if you're poking at flash status registers you should ABSOLUTELY read spansion_nor_clear_sr(9) too β€” the clear step is right there in the name and she's not doing this alone, bestie πŸ’œ

and that's the page!! 🌸 catch you in ./drivers/mtd/spi-nor, dated October 2026 β€” that's the source path and the date, and the manual header/footer said cypress_nor_...dy_and_clear(9) (Kernel API Manual) so now you have the whole set. mwah, go write some drivers πŸ’–πŸ§šβ­

πŸ“¦ where this page comes from