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Date: Mon, 23 Apr 2012 11:11:58 -0600
From: Stephen Warren <swarren@wwwdotorg.org>
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To: David Daney <ddaney.cavm@gmail.com>
CC: Grant Likely <grant.likely@secretlab.ca>,
        devicetree-discuss@lists.ozlabs.org,
        "Jean Delvare (PC drivers core)" <khali@linux-fr.org>,
        "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>,
        "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>,
        Peter Korsgaard <peter.korsgaard@barco.com>,
        Guenter Roeck <guenter.roeck@ericsson.com>, linux-i2c@vger.kernel.org,
        Rob Herring <rob.herring@calxeda.com>,
        Lars-Peter Clausen <lars@metafoo.de>, linux-kernel@vger.kernel.org,
        David Daney <david.daney@cavium.com>
Subject: Re: [PATCH v3 2/2] i2c/of: Automatically populate i2c mux busses
 from device tree data.
References: <1334265263-13549-1-git-send-email-ddaney.cavm@gmail.com> <1334265263-13549-3-git-send-email-ddaney.cavm@gmail.com>
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On 04/12/2012 03:14 PM, David Daney wrote:
> From: David Daney <david.daney@cavium.com>
> 
> For 'normal' i2c bus drivers, we can call of_i2c_register_devices()
> and have the device tree framework automatically populate the bus with
> the devices specified in the device tree.
> 
> This patch adds a common code to the i2c mux framework to have the mux
> sub-busses be populated by the of_i2c_register_devices() too.  If the
> mux device has an of_node, we populate the sub-bus' of_node so that
> the subsequent call to of_i2c_register_devices() will find the
> corresponding devices.
> 
> It seemed better to put this logic in i2c_add_mux_adapter() rather
> than the individual mux drivers, as they will all probably want to do
> the same thing.
> 
> Signed-off-by: David Daney <david.daney@cavium.com>
> Cc: Lars-Peter Clausen <lars@metafoo.de>

Acked-by: Stephen Warren <swarren@wwwdotorg.org>