__fpga_region_register_full(9)

💅 __fpga_region_register_full — Kernel API Manual, bestie edition 🎀

okay so this is a page from the Kernel API Manual and it's about exactly one function: __fpga_region_register_full. say it with me. it's giving "lowkey the full version of the register function" and honestly? iconic.

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✨ NAME ✨

__fpga_region_register_full — create and register an FPGA Region device. that's it. that's the whole gig. it makes the thing and then puts it on the bus, fr fr. 🦋

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🌸 SYNOPSIS 🌸

struct fpga_region * __fpga_region_register_full (struct device *parent
, const struct fpga_region_info *info , struct module *owner );

three args. one struct pointer back. no cap. 💖

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🫶 ARGUMENTS 🫶

• parent — the device parent. like, who's your mom, who do you belong to in the device tree. everybody needs a parent 🥺
• info — parameters for FPGA Region. all the little details it needs to know about itself. this is the vibe check packet 📦
• owner — module containing the get_bridges function. so it knows which module is responsible for that callback. gotta credit the right queen 👑

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⭐ RETURN ⭐

struct fpga_region or ERR_PTR. so either you get your shiny new region pointer, or you get an error pointer and you should absolutely check for it with IS_ERR() before you do literally anything else, bestie 😭

ngl, always check your return values. unhandled ERR_PTR is not the main character energy you want 💀

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🌈 SEE ALSO 🌈

all the friends in the same friend group:

• Kernel file ./drivers/fpga/fpga-region.c
• fpga_region_get(9)
• fpga_region_put(9)
• fpga_region_program_fpga(9)
• __fpga_region_register(9)
• fpga_region_unregister(9)
• fpga_region_init(9)

like genuinely go read them, they all make sense together i promise 🧚

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and that's the page!! 🍓 from the ./drivers/fpga source, October 2026, __fpga_region_register_full(9) — mwah, good luck out there, you're gonna slay this FPGA stuff 💜🔥