Creating the device registry

A proposal is out there (Patrick Mochel)
    ftp.kernel.org/pub/linux/kernel/people/mochel/device

Create a new struct device
Reclaimed from the network code in 2.3 

Each device structure
Corresponds to one physical device
Contains some basic info
Points to power management functions
Points to the device's bus

Uses of the structure:
A view of full system topology
Suspend and resume operations