linux-kernel - Re: [PATCH v9 1/1] gpio: add sloppy logic analyzer using polling

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Message-ID: <odto4ngzk6ee5pqkv5rpm45v54xrizddlacwupvw4e42a3qfgf@lnwuqy3xluzd>
Date: Thu, 13 Jun 2024 13:48:15 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Arnd Bergmann <arnd@...db.de>, 
	Linus Walleij <linus.walleij@...aro.org>, Linux-Renesas <linux-renesas-soc@...r.kernel.org>, 
	Jonathan Corbet <corbet@....net>, Kent Gibson <warthog618@...il.com>, linux-doc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH v9 1/1] gpio: add sloppy logic analyzer using polling


> > I could also imagine the functionality being exposed
> > through drivers/iio/ in a way that is similar to an
> > adc, but I don't know if that would work in practice or
> > how much of a rewrite that would be.
> >
> 
> I could see it using configfs instead of DT for configuration and iio
> for presenting the output but - from what Wolfram said - insisting on
> this will simply result in this development being dropped entirely.

Despite that, I'd be afraid that the analyzer looks more trustworthy
than it actually is then. debugfs makes that clearer IMO.


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