I think there are three reasons why overall this is not that bad for the Linux code base: - it is a driver, not a core module - the constants are implementati

I think there are three reasons why overall this is not that bad for the Linux code base: - it is a driver, not a core module - the constants are implementation details of the driver - active maintenance of code is a necessary condition for inclusion in the Kernel. The other Kernel developers are not supposed to maintain and refactor code dumps.