dp_aux_ep_match(9)

💅 dp_aux_ep_match(9) — like, the Kernel API Manual page you didn't know you needed

okay so bestie, gather round 🫶 this is a page straight out of the Kernel API Manual, and it's literally about one tiny function that decides whether a device and a driver are meant to be. matchmaking, but for kernel devices. it's giving ✨ destiny ✨.

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🌸 NAME 🌸

dp_aux_ep_match — the match function for the dp_aux_bus. that's it, that's the whole vibe. she matches. she's the matchmaker. periodt 💅

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🎀 SYNOPSIS 🎀

int dp_aux_ep_match (struct device *dev , const struct device_driver *drv );

like, she takes a device and a driver and returns an int, okay? keep up 💖

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🦋 ARGUMENTS 🦋

• dev — the device to match. the one putting herself out there, main character energy 👑
• drv — the driver to try to match against. the potential boo. the candidate. the "we'll see" 🙈

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⭐ DESCRIPTION ⭐

okay so here's the tea: at the moment, we just match on device tree. that's it. no cap. no extra checks, no secret sauce, just the device tree doing its thing 🌈

(lowkey iconic that it's that simple, honestly)

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🔥 RETURN 🔥

• True if this driver matches this device 💖🎉
• false otherwise 😭💀

like yes, that's literally it, the whole return story, slay.

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💜 SEE ALSO 💜

• Kernel file ./drivers/gpu/drm/display/drm_dp_aux_bus.c — the source, the origin story, the mothership 🧚
• dp_aux_ep_probe(9)
• dp_aux_ep_remove(9)
• dp_aux_ep_shutdown(9)
• dp_aux_ep_dev_release(9)
• of_dp_aux_ep_destroy(9)
• of_dp_aux_depopulate_bus(9)
• of_dp_aux_populate_bus(9)
• devm_of_dp_aux_populate_bus(9)

go read them all, iykyk 📚✨

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and that's the page, bestie 🍓 this cutie lives over in ./drivers/gpu/drm/display, and she was last touched in October 2026 — dp_aux_ep_match(9), forever and always 💅💖