linux-kernel - Re: [PATCH v3 0/8] i2c mux cleanup and locking update

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Date:	Mon, 7 Mar 2016 11:23:09 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Peter Rosin <peda@...ator.liu.se>
Cc:	Jonathan Cameron <jic23@...nel.org>, Peter Rosin <peda@...ntia.se>,
	Peter Korsgaard <peter.korsgaard@...co.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	Antti Palosaari <crope@....fi>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Frank Rowand <frowand.list@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Adriana Reus <adriana.reus@...el.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Nicholas Mc Guire <hofrat@...dl.org>,
	Olli Salonen <olli.salonen@....fi>, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
	linux-media@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 0/8] i2c mux cleanup and locking update


> My offer is going to be this, I'll look after any unforeseen future problems
> caused by this rework, and I can be the i2c-mux maintainer. But if being

Yay, thanks a lot!

> the i2c-mux maintainer turns out to be a huge time-sink, there is no way I
> can stay on in the long run. But I guess that is the same for any maintainer
> (whose job description does not explicitly include being maintainer).

Well, since I became the I2C maintainer in late 2012, i2c-mux was always
low-bandwidth:

$ git log --pretty=oneline v3.2.. -- drivers/i2c/muxes/ drivers/i2c/i2c-mux.c | wc -l
72

And your patch series is already bigger than what was accepted in the
last year altogether :) I understand the uncertainty feeling about this
step; however, I truly think it is not much work. It is a niche -
though, one I'd like to have supported by your expertise.

> the mux update. The main commonality of the demux and the preexisting muxes
> seems to be that the name includes "mux" and that it is all about i2c. Agreed?

Yes, and because they are quite different, I wasn't sure if it a) is not
affected at all or b) totally breaks the design. Glad to hear it is a).

Thanks again, looks like we have a roadmap now for getting this series
in \o/

   Wolfram


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