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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/1] gpio: add sloppy logic analyzer using polling
Date: Mon, 22 Nov 2021 13:19:20 +0100	[thread overview]
Message-ID: <YZuKyEcsXb8dwiHG@ninjato> (raw)
In-Reply-To: <CAHp75VcXuYLM4cPAb+rv47wz0v+Q6tjek6tKuBj32K81XxkKaA@mail.gmail.com>

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Hi Andy,

> > ? Dunno, maybe it is not arbitrary that it is < PAGE_SIZE but other than
> > that the value I chose is arbitrary. There is no technical reason for
> > 2048.
> 
> I understand, but the comment is a bit misleading. My proposal is to
> extend / amend the comment to point the upper-upper limit out. Perhaps
> you need to rename "upper" for your case, or use a different word for
> the PAGE_SIZE limit. Up to you.

I use now "upper limit is arbitrary but should be less than PAGE_SIZE".

> > > > +       if (ret < 0) {
> > >
> > > > +               dev_err(dev, "error naming the GPIOs: %d\n", ret);
> > > > +               return ret;
> > > > +       }
> > >
> > > Perhaps
> > >
> > >   return dev_err_probe() ?
> >
> > Reading strings from DT can be deferred? I don't think so.
> 
> There is a new development, i.e. the documentation for dev_err_probe()
> is going to be amended to allow this. But I can't quickly find a patch
> in mailing list with the related discussion.

I still don't get this one, so if there is new development and you have
a pointer, I'd be glad to hear about it. Otherwise we can fix it
incrementally later.

All the best,

   Wolfram


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  reply	other threads:[~2021-11-22 12:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-18  8:33 [PATCH v2 0/1] gpio: add simple logic analyzer using polling Wolfram Sang
2021-09-18  8:33 ` [PATCH v2 1/1] gpio: add sloppy " Wolfram Sang
2021-09-19 20:27   ` Andy Shevchenko
2021-09-20  8:30     ` Wolfram Sang
2021-09-20  8:45       ` Andy Shevchenko
2021-11-22 12:19         ` Wolfram Sang [this message]
2021-11-22 12:33           ` Andy Shevchenko
2021-11-22 15:03             ` Wolfram Sang
2021-09-20 12:15   ` Geert Uytterhoeven
2021-11-22 11:43     ` Wolfram Sang

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