Posting here as reference, for those into such geekiness.
A fresh look at the kernel's device model
http://lwn.net/Articles/645810/
A tour of /sys/devices
http://lwn.net/Articles/646617/
A fresh look at the kernel's device model
http://lwn.net/Articles/645810/
A tour of /sys/devices
http://lwn.net/Articles/646617/