Re: [PATCH 8/8] gpio: sim: new testing module

From: Kent Gibson
Date: Sat Jan 30 2021 - 19:44:18 EST


On Sat, Jan 30, 2021 at 09:37:55PM +0100, Bartosz Golaszewski wrote:
> On Fri, Jan 29, 2021 at 4:57 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> >
> > On Fri, Jan 29, 2021 at 02:46:24PM +0100, Bartosz Golaszewski wrote:
> > > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> > ...
> >

[snip]

> > Honestly, I don't like the idea of Yet Another (custom) Parser in the kernel.
> >
> > Have you investigated existing parsers? We have cmdline.c, gpio-aggregator.c,
> > etc. Besides the fact of test cases which are absent here. And who knows what
> > we allow to be entered.
> >
>
> Yes, I looked all around the kernel to find something I could reuse
> but failed to find anything useful for this particular purpose. If you
> have something you could point me towards, I'm open to alternatives.
>
> Once we agree on the form of the module, I'll port self-tests to using
> it instead of gpio-mockup, so we'll have some tests in the tree.
>

Given the existing selftests focus on testing the gpio-mockup itself, it
would be more appropriate that you add separate tests for gpio-sim.

As an end user I'm interested in the concrete example of driving gpio-sim
that selftests would provide, so I'm looking forward to seeing that.

Cheers,
Kent.