device_is_bound(9)

💅 device_is_bound(9) 💅

okay so bestie, welcome to the device_is_bound(9) page from the Kernel API Manual — yes that's the manual name, and yes we're getting into it. buckle up 🎀

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✨ NAME ✨

device_is_bound — check if a device is bound to a driver 🔍

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🌸 SYNOPSIS 🌸

bool device_is_bound (struct device *dev );

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🦋 ARGUMENTS 🦋

• dev — the device you wanna check, bestie 👀

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💖 DESCRIPTION 💖

So this one returns true if the device you passed in has already finished probing successfully against a driver. like, it made it, it's official, it's giving main character energy 👑

⚠️ okay this part is important: you must call this function with the device lock held. no exceptions, no vibes-based shortcuts, fr fr 🔒

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🌈 SEE ALSO 🌈

the kernel file lives at ./drivers/base/dd.c — go look, iykyk 💅

and here's the whole friend group, all of them, no cap:

• driver_deferred_probe_trigger(9)
• device_block_probing(9)
• device_unblock_probing(9)
• device_set_deferred_probe_reason(9)
• driver_deferred_probe_check_state(9)
• deferred_probe_initcall(9)
• device_bind_driver(9)
• driver_probe_done(9)
• wait_for_device_probe(9)
• driver_probe_device(9)
• device_attach(9)
• device_driver_attach(9)
• driver_attach(9)
• device_release_driver(9)
• device_driver_detach(9)
• driver_detach(9)

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🫶 okay that's the whole page, you ate that. this lil number hangs out under ./drivers/base, and it's dated October 2026 — the device_is_bound(9) era, iconic ⭐💜

xoxo, go hold that device lock 😭🌸