linux-kernel - Re: [PATCH] Input: goodix-berlin - Add sysfs interface for reading and writing touch IC registers

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Message-ID: <ZjtmZ6Jrj6vn6sv3@finisterre.sirena.org.uk>
Date: Wed, 8 May 2024 20:47:51 +0900
From: Mark Brown <broonie@...nel.org>
To: Richard Hughes <hughsient@...il.com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Jeff LaBundy <jeff@...undy.com>,
	Hans de Goede <hdegoede@...hat.com>,
	Charles Wang <charles.goodix@...il.com>, hadess@...ess.net,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	neil.armstrong@...aro.org
Subject: Re: [PATCH] Input: goodix-berlin - Add sysfs interface for reading
 and writing touch IC registers

On Wed, May 08, 2024 at 09:39:41AM +0100, Richard Hughes wrote:

> If it helps, fwupd already uses mtd for other devices too, although at
> the moment we're using it only for system firmware -- e.g. intel-spi
> style. The MTD subsystem doesn't give fwupd much info about the
> {removable} device itself, and that can pose a problem unless you
> start using heuristics about the parent device to match firmware to
> the mtd device.

FWIW I know SolareFlare network cards used to do this too, though I
don't know about current products.

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