gpio_generic_chip_init(9)

💅 gpio_generic_chip_init(9) — like, the whole glow-up guide

okay so bestie, welcome to the Kernel API Manual ✨ this one's a lil function called gpio_generic_chip_init, and honestly? it's giving "short king" energy — tiny page, but it does exactly one thing and does it iconically. 🎀

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🌸 NAME 🌸

gpio_generic_chip_init — Initialize a generic GPIO chip.

that's it. that's the whole vibe check. it sets your generic GPIO chip up so it can live its best life. 💖

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✨ SYNOPSIS ✨

int gpio_generic_chip_init (struct gpio_generic_chip *chip , const
struct gpio_generic_chip_config *cfg );

no cap, that's the exact signature — two args, both pointers, one const because we're respectful like that. 🫶

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🦋 ARGUMENTS 🦋

• chip — the generic GPIO chip you're setting up. this is the main character of the operation, the one getting the glow-up. 👑
• cfg — the generic GPIO chip configuration. this is the blueprint, the Pinterest board, the whole plan for how chip should look when it's done. 🎀

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💜 DESCRIPTION 💜

returns 0 on success, and a negative error number on failure. that's the WHOLE description, bestie — no extra lore, no secret bonus features. slay for brevity, honestly. ✨

lowkey the important takeaway: check the return value. 0 = we ate. negative = something went sideways and you should, like, handle it. 😭

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpio/gpio-mmio.c — go read it, iykyk 📖🔥

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fr fr, that's the entire page. don't overthink it, just pass your chip and your config and let the function do its thing. 💅

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and that's a wrap, bestie!! 🎉 this lil gem lives in ./drivers/gpio and the manual page is dated October 2026 — gpio_generic_chip_init(9), periodt. 💖✨🦋