edac_dev_register(9)

💅 edac_dev_register(9) — from the Kernel API Manual, bestie 🫶

okay so real talk: this is a function from the Kernel API Manual, and it's the one that literally registers your device for RAS features with EDAC. no cap, it's giving "let me introduce you to the grown-ups" energy ✨

🎀 NAME 🎀

edac_dev_register — register device for RAS features with EDAC 🔥

⭐ SYNOPSIS ⭐

int edac_dev_register (struct device *parent , char *name , void
*private , int num_features , const struct edac_dev_feature
*ras_features );

🌸 ARGUMENTS 🌸

• parent — the parent device. like, the actual device's device 💖
• name — the name for the folder in the /sys/bus/edac/devices/, and it's derived from the parent device. for e.g. /sys/bus/edac/devices/cxl_mem0/ — iconic path tbh 🦋
• private — the parent driver's data to store in the context, if any. lowkey optional, highkey useful 🙈
• num_features — number of RAS features to register. count 'em, bestie 🔢
• ras_features — list of RAS features to register. the whole lineup, main character energy 👑

💜 RETURN 💜

• 0 — Success. slay, it worked 🎉
• -EINVAL — Invalid parameters passed. not me getting bad args 😭 double-check those params fr fr
• -ENOMEM — Dynamic memory allocation failed. the malloc said no 💀

🌈 SEE ALSO 🌈

Kernel file ./drivers/edac/edac_device.c — go read it, iykyk 📖✨

and that's the whole page, bestie 🎀 this one lives in ./drivers/edac and it's dated October 2026 — so mark your calendar, periodt 💅🌟