tlclk.1 : contains the starting point for the port
tlclk.2 : contains the first version that compiles (but fails sparse scan)
tlclk.3 : passes sparse and cleans up a lot of code, gets rid of devfs junk
tlclk.4 : add udev support using misc_device 
tlclk.5 : removes ioctls and replaces them with sysfs and is the code in 2.6.17.6


