Re: [PATCH 1/7] selftests: gpio: rework and simplify test implementation

Kent Gibson
2021-01-04T15:24:22Z

On Mon, Jan 04, 2021 at 11:00:31PM +0800, Kent Gibson wrote:
> On Mon, Jan 04, 2021 at 03:52:49PM +0200, Andy Shevchenko wrote:
> > On Mon, Jan 4, 2021 at 3:51 AM Kent Gibson <warthog618@gmail.com> wrote:
> > > On Sun, Jan 03, 2021 at 05:10:10PM +0200, Andy Shevchenko wrote:
> >
> > ...
> >
> > > In this example it is the 508:
> > >
> > > # e.g. gpiochip0: GPIOs 508-511, parent: platform/gpio-mockup.0, gpio-mockup-A:
> > >
> > > So I'll use that - unless it is unreliable for some reason?
> >
> > debugfs is not an ABI and tomorrow this can be changed without notice.
> >
>
> I had a bad feeling that might be the case, and all my current solutions
> use debugfs one way or another, so back to the drawing board on that one.
>

Hang on - the find approach that I was looking at previously only uses
/sys/devices/platform, so I'll revert to that one - and add handling for
multi-match.

Cheers,
Kent.