Re: [PATCH v6 10/12] watchdog: add gpio watchdog driver

Simon Glass
2021-08-23T17:25:59Z

Hi Wolfgang,

On Mon, 23 Aug 2021 at 05:07, Wolfgang Denk <wd@denx.de> wrote:
>
> Dear Simon,
>
> In message <CAPnjgZ3-k4sGn0G-7tiGixsBxT77s9bDNXeTf-86Fj18oWSaaQ@mail.gmail.com> you wrote:
> > >
> > > Wow.
> > >
> > > I think I'll add this to my signature database:
> > >
> > > | "Trying to catch [programming errors] in the field at runtime is not
> > > | very kind to your users."
> > > |
> > > | - Simon Glass in <CAPnjgZ0aVwo2mq9BNw-9xz+xPZVm6Negf9sQxnTAr9GHTTxPxQ@mail.gmail.com>
> >
> > Well you've taken it out of context :-) It would make more sense if
> > you mention the need for tests
>
> Testing can show the presense of bugs, but not their absence.
> -- Edsger Dijkstr

Indeed, although that is really just a truism. If this were a
philosophy channel and I had actually studied it properly, I would go
on about evidence of absence at this point.

From a s/w POV, there is always one more bug.

Regards,
SImon