Once you realize that documentation should be laughed at, peed upon, put on fire, and just ridiculed in general, then, and only then, have you reached the level where you can safely read it and try to use it to actually implement a driver.
Linus TorvaldsHelsinki isn't all that bad. It's a very nice city, and it's cold really only in wintertime.
Linus TorvaldsBad programmers worry about the code. Good programmers worry about data structures and their relationships.
Linus Torvalds