dio_bus_match(9)

🎀 NAME 🎀

Hii bestie! This page is dio_bus_match(9) from the Kernel API Manual, and its whole personality is: tell if a DIO device structure has a matching DIO device id structure. That's it, that's the assignment. 💅

✨ SYNOPSIS ✨

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

🦋 ARGUMENTS 🦋

• dev — the DIO device structure to match against. The device we're checking, basically.
• drv — the device_driver that points to the array of DIO device id structures to search. This is where the driver core goes looking for a match.

🌸 DESCRIPTION 🌸

Okay so here's the tea: the driver core uses this to check whether a DIO device that's present in the system is in a driver's list of supported devices. It's giving matchmaker energy, but make it kernel. 🔥

Returns 1 if supported, and 0 if there is no match. No cap. 💖

💫 SEE ALSO 💫

• Kernel file ./drivers/dio/dio-driver.c — go read it, bestie: dio_match_device(9), dio_register_driver(9), and dio_unregister_driver(9) are all right there.

Cute sign-off time: this page's source/version is ./drivers/dio, dated October 2026. Byeee, ily, go match some devices! 🫶✨