On Thu, Mar 20, 2025 at 04:21:16PM -0600, Nico Pache wrote: > On Thu, Mar 20, 2025 at 1:14 PM Mark Brown <broo...@kernel.org> wrote: > > On Wed, Mar 19, 2025 at 05:05:39PM -0600, Nico Pache wrote:
> > > config FW_CS_DSP_KUNIT_TEST
> > > tristate "KUnit tests for Cirrus Logic cs_dsp" if !KUNIT_ALL_TESTS
> > > - depends on KUNIT && REGMAP
> > > + depends on KUNIT && REGMAP && FW_CS_DSP
> > > default KUNIT_ALL_TESTS
> > > - select FW_CS_DSP
> > This makes no sense to me, the select statement is forcing on the code
> > it's testing which is a library and so is selected by it's users, this
> Similarly to eb5c79828cfa ("firmware: cs_dsp: FW_CS_DSP_KUNIT_TEST
> should not select REGMAP"), We shouldnt force a feature on when using
> KUNIT_ALL_TESTS.
This feature is not user selectable, at an absolute minimum you would
need to make the library available in KUnit test builds.
> > change will just stop the tests being run unless someone does the dance
> > to enable a driver which relies on the library. That is something that
> My config also sets the UML wrapper to enable this FW_CS_DSP config so
> it will continue to work in that environment.
Simply adding it to the all_tests.config will just result in it getting
turned off by Kconfig during the build since it's not a visible option
so that's not accomplishing anything. all_tests.config is not UML
specific, it's for enabling all the KUnit tests that could run in UML no
matter how you're running them.
> > seems unlikely to change the outcome of the tests when run from KUnit
> > which is independent of any hardware.
> KUNIT is supported outside the UML environment, and some distros (like
> fedora, and downstream flavors), use KUNIT as modules, with
> KUNIT_ALL_TESTS=m. We only want the tests that are supported by our
> config to be available, we dont want KUNIT going and enabling other
> features so the test works.
The point is not that KUnit is frequently run in UML (personally I
mostly run it with emulated hardware instead) but rather that this is a
library which can be tested independently of having a relevant DSP.
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