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Date: Tue, 10 Mar 2015 10:28:26 -0600
From: Stephen Warren <swarren@wwwdotorg.org>
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To: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
CC: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
        Gregory Clement <gregory.clement@free-electrons.com>,
        Gabriel Dobato <dobatog@gmail.com>, Wolfram Sang <wsa@the-dreams.de>,
        linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/4] i2c: mux-pinctrl: Rework to honor disabled child
 nodes
References: <1425039885-5137-2-git-send-email-sebastian.hesselbarth@gmail.com> <1425903665-19343-1-git-send-email-sebastian.hesselbarth@gmail.com>
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On 03/09/2015 06:21 AM, Sebastian Hesselbarth wrote:
> I2C mux pinctrl driver currently determines the number of sub-busses by
> counting available pinctrl-names. Unfortunately, this requires each
> incarnation of the devicetree node with different available sub-busses
> to be rewritten.
>
> This patch reworks i2c-mux-pinctrl driver to count the number of
> available sub-nodes instead. The rework should be compatible to the old
> way of probing for sub-busses and additionally allows to disable unused
> sub-busses with standard DT property status = "disabled".
>
> This also amends the corresponding devicetree binding documentation to
> reflect the new functionality to disable unused sub-nodes. While at it,
> also fix two references to binding documentation files that miss an "i2c-"
> prefix.

The DT binding changes at least,
Acked-by: Stephen Warren <swarren@nvidia.com>