linux-kernel - Re: [PATCH 1/2] gpio: gpio-74x164: add support for CDx4HC4094

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Message-ID: <CAHp75VeU8Jj5RjQ=8X+=F+=COoAjMgQT18DKJrSHn3972ct9Lw@mail.gmail.com>
Date:   Tue, 26 Jul 2022 11:03:55 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Marcus Folkesson <marcus.folkesson@...il.com>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Ripard <mripard@...nel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] gpio: gpio-74x164: add support for CDx4HC4094

On Tue, Jul 26, 2022 at 10:28 AM Linus Walleij <linus.walleij@...aro.org> wrote:
>
> On Tue, Jul 26, 2022 at 9:31 AM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
>
> > It's rather my common sense, because we have a clock here to shift a
> > register. It's kinda obvious *to me* that when we have a latch, that
> > latch shouldn't pass data on a level. Yes, there are buffers with
> > level strobe, but it's different. So, as I said, the oscilloscope can
> > finish our discussion one way or the other, but I believe it will be
> > my way ;) I will very (badly) surprised if it becomes your way. It
> > will ruin my beliefs in humanity. Not less.
>
> I think you are right Andy, I trust your judgement better than my own
> here for sure!

The true science when we put any statement in doubt and then go
step-by-step to prove it again. If this will be done successfully the
statement is correct. That said, thank you to put this in doubt, it's
appreciated!

-- 
With Best Regards,
Andy Shevchenko