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 TorvaldsA lot of people want to have market share numbers, lots of users, because that's how they view their self worth. For me, one of the most important things for Linux is having a big community that is actively testing new kernels; it's the only way to support the absolute insane amount of different hardware we deal with.
Linus TorvaldsOne of the reasons that I really don't mind that people are selling Linux commercially is exactly because it does make me feel good that people use the product.
Linus Torvalds