Yes, but there are no guarantees. In fact, they do quite routinely remove drivers for old hardware, if there is no one willing to maintain them. They removed

Yes, but there are no guarantees. In fact, they do quite routinely remove drivers for old hardware, if there is no one willing to maintain them. They removed support for several pieces of hardware in the last release, in fact, including some particular drivers for an IBM Cell system, and for IBM CAPI flash drives (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=772ba9b5bd2701a9967c084b66ff1daaee0367eb https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...) and so on