ti_sci_cmd_dev_is_idle(9)

📦 version 7.3.1, in nixpkgs unstable

✨ ti_sci_cmd_dev_is_idle — a whole manual page for one (1) vibe check on a device ✨

okay so this is a page from the Kernel API Manual, and the star of the show is ti_sci_cmd_dev_is_idle(9). she's a tiny function, she's got a big job, and yes we're gonna read the whole thing together 🫶

🌸 NAME 🌸

ti_sci_cmd_dev_is_idle — literally just: check if the device is requested to be idle 💅

like. is it asking to chill. that's the whole assignment.

🦋 SYNOPSIS 🦋

int ti_sci_cmd_dev_is_idle (const struct ti_sci_handle *handle , u32 id
, bool *r_state );

bestie look at her, three arguments, one int coming back at you, no cap 🎀

💖 ARGUMENTS 💖

  • handle — a pointer to the TISCI handle. that's your main character pointer, keep her safe ✨
  • id — the Device Identifier. it's a u32, it says who we're talking about 🔥
  • r_state — a bool * that comes back true if the device is requested to be idle. so the answer gets written through the pointer, iykyk 👑

🌈 RETURN 🌈

0 if all went fine — slay, we love a clean zero 💚 — else it returns the appropriate error. so like, check your return value, that's the vibe check fr fr 😭

🧚 SEE ALSO 🧚

okay this list is iconic and also long, and every single one of these is getting its moment. no skipping, periodt 💜

the kernel file: ./drivers/firmware/ti_sci.c

then the structs:

  • struct ti_sci_xfer(9)
  • struct ti_sci_xfers_info(9)
  • struct ti_sci_desc(9)
  • struct ti_sci_irq(9)
  • struct ti_sci_info(9)

then the functions, in the exact order they were handed to us:

like?? that's the whole friend group and they ALL showed up to the function's birthday party 🎂💀

and that's the page!! huge thanks to ./drivers/firmware for hosting this masterpiece, dated October 2026, filed under ti_sci_cmd_dev_is_idle(9) — mwah, go check if your device is idle bestie, ily 💖🎀🦋

📦 where this page comes from