Provided by: linux-doc-2.6.15_2.6.15-23.39_all
device_register - register a device with the system.
int device_register (struct device * dev);
dev pointer to the device structure
This happens in two clean steps - initialize the device and add it to
the system. The two steps can be called separately, but this is the
easiest and most common. I.e. you should only call the two helpers
separately if have a clearly defined need to use and refcount the
device before it is added to the hierarchy.