of_find_mip...vice_by_node(9)

📦 version 7.3.1, in nixpkgs unstable

💅 of_find_mipi_dsi_device_by_node(9) 💅

okay so bestie, welcome to the Kernel API Manual ✨ this one is short and sweet and honestly kind of iconic: it's the little lookup girlie that goes "you gave me a device tree node, lemme find the MIPI DSI device that matches it" 🎀

🌸 NAME 🌸

of_find_mipi_dsi_device_by_node — find the MIPI DSI device matching a device tree node 🦋

like, the whole job. that's it. she's a matcher. a finder. a "who's this diva" detector. no cap.

✨ SYNOPSIS ✨

struct mipi_dsi_device * of_find_mipi_dsi_device_by_node (struct device_node *np );

one function, one argument, one pointer return. she's lowkey minimal and honestly? respect 💅

🫶 ARGUMENTS 🫶

  • np — the device tree node 🌳 that you want to match up with a MIPI DSI device. that's the whole input, bestie, just hand over the node and let her cook.

👑 RETURN 👑

she gives you back a pointer to the MIPI DSI device corresponding to np 🔥

…or NULL if no such device exists 😭 — or if it hasn't been registered yet, which is the sneaky part, so don't come for her if the driver probe ordering isn't vibing. NULL means "not a thing (yet)", not "you did something wrong" (probably). ngl, always check the return value, NULL is not a personality trait, it's a warning ⭐

🌈 SEE ALSO 🌈

the squad, the crew, the whole friend group 💖 she does not exist in a vacuum:

Kernel file ./drivers/gpu/drm/drm_mipi_dsi.c — that's where she lives, go say hi 🏠

that's a lot of friends but she's an extrovert, it's giving main character energy 🌟 iykyk.

heads up bestie: np has to actually be a device tree node, and a NULL return is a real possibility — either the device doesn't exist or it just hasn't been registered yet. it's giving "not yet, bestie" not necessarily "never" 🫶 check before you dereference, fr fr 💀

so yeah, that's the page 🌸 — from ./drivers/gpu/drm, dated October 2026, part of the Kernel API Manual (the manpage itself is literally titled of_find_mip...vice_by_node(9) because even the header got truncated, tragic 😭). mwah, go read the DSI helpers next, ily, bye 💜🎀🦋

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