Building separate files for a kernel module

[valdis.kletnieks at vt.edu]

On Wed, 04 Apr 2018 18:29:21 -0300, Martin Galvan said:

> PS: Yes, I'm aware I could just add $(bar-objs) to mydriver-y and
> avoid building bar.a, but I really need to have those files as a
> separate library.

What's driving the requirement for a separate library?