linux-kernel - Re: [PATCH v6 4/4] i2c, i2c

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Message-ID: <20140219151626.GA13973@katana>
Date:	Wed, 19 Feb 2014 16:16:26 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	linux-i2c@...r.kernel.org, Jean Delvare <khali@...ux-fr.org>,
	Guenter Roeck <linux@...ck-us.net>,
	linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Rui Wang <ruiv.wang@...il.com>
Subject: Re: [PATCH v6 4/4] i2c, i2c_imc: Add DIMM bus code

On Fri, Dec 20, 2013 at 05:45:13PM -0800, Andy Lutomirski wrote:
> Add i2c_scan_dimm_bus to declare that a particular i2c_adapter
> contains DIMMs.  This will probe (and autoload modules!) for useful
> SMBUS devices that live on DIMMs.  i2c_imc calls it.

Hmm, after thinking about it for a while and a couple of times, I get
the impression that the functionality of i2c_scan_dimm_bus() should
better be in userspace, i.e. a udev helper. I could imagine introducing
a new functionality macro I2C_FUNC_DIMM_BUS which can be detected in
userspace via i2c-dev. Based on that, the helper can do whatever
necessary. What do you think?

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