supporting more than ttyS*

[Samuel Thibault]

Okash Khawaja, on sam. 03 juin 2017 14:32:46 +0100, wrote:
> This sounds great. /dev/lp* support should be straightforward. I am thinking of adding ttyS* and ttyUSB* in the first pass. And then add lp* afterwards as that may require testing. Let me know if that's okay. 

I'd say directly implement lp* too, so people can test already. Since
it's chosen by a kernel parameter, it's not a problem if it actually
fails somehow, even the nastiest way.

Samuel