dio_register_driver(9)

💖 NAME 💖

dio_register_driver — bestie, this is the one that registers a brand new DIO driver ✨

(it lives in the Kernel API Manual, section 9, if you were wondering 🎀)

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🦋 SYNOPSIS 🦋

int dio_register_driver (struct dio_driver *drv );

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🌸 ARGUMENTS 🌸

• drv — the driver structure you wanna register. that's it, that's the whole argument 🫶

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✨ DESCRIPTION ✨

okay so picture this: dio_register_driver takes your driver structure and adds it to the list of registered drivers. literally just slips it into the lineup 💅

and what does it give you back? zero if everything slayed, or a negative error value if it did not go well 😭 so like, check your return value, ngl. a negative number is your sign that something went sideways 🙈

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👑 SEE ALSO 👑

• the kernel file ./drivers/dio/dio-driver.c — go read the source, iykyk 🧚
• dio_match_device(9)
• dio_unregister_driver(9) (the one you call when you're done, no cap)
• dio_bus_match(9)

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fr fr, if you're registering drivers you should lowkey read dio_unregister_driver(9) too — what goes on the list can come off the list 💀

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and that's the whole page, bestie! stay iconic ⭐ this one's from ./drivers/dio, dated October 2026, and it's the dio_register_driver(9) page — mwah 💋🌈