clk_bulk_get_optional(9)

📦 version 7.3.1, in nixpkgs unstable

✨ clk_bulk_get_optional(9) ✨

Okay so this is from the Kernel API Manual, and it's literally about grabbing references to a bunch of clock producers at once but in a chill, optional way. Bestie, let me tell you everything 💅

🌸 NAME 🌸

clk_bulk_get_optional — lookup and obtain a number of references to clock producer

🦋 SYNOPSIS 🦋

int clk_bulk_get_optional (struct device *dev , int num_clks , struct clk_bulk_data *clks );

🎀 ARGUMENTS 🎀

  • dev — the device that's being the clock "consumer" (iykyk, it's the one using the clocks)
  • num_clks — literally the number of clk_bulk_data entries you're working with
  • clks — the clk_bulk_data table belonging to the consumer, periodt

💖 DESCRIPTION 💖

So here's the vibe: this function behaves exactly the same as clk_bulk_get except for one iconic little twist — when there's no clock producer. In that case, instead of returning -ENOENT, this one returns 0 and NULL for a clk where a clock producer couldn't be determined. It's giving "no clock? no problem, we're not gonna throw a whole error at you" energy 🙈✨

Lowkey the whole point is it's the forgiving version. The way that it just says "okay bestie, no producer found, here's a NULL and a 0, carry on" — truly main character behavior 👑

🌈 SEE ALSO 🌈

The kernel file lives at ./include/linux/clk.h — go check it out! And here's the whole squad of related functions, all of them, no cap:

That's the whole list, bestie — every single one of them is there fr fr 💀

Okay so that's literally it! This page comes from the ./include/linux source and it's dated October 2026. Go forth and grab those optional clocks, you absolute icon 🫶💜✨

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