From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Warren Subject: Re: [PATCH 1/8] i2c: mux-pinctrl: Rework to honor disabled child nodes Date: Thu, 26 Feb 2015 14:46:29 -0700 Message-ID: <54EF9435.1060806@wwwdotorg.org> References: <1424199129-22099-1-git-send-email-sebastian.hesselbarth@gmail.com> <1424199129-22099-2-git-send-email-sebastian.hesselbarth@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1424199129-22099-2-git-send-email-sebastian.hesselbarth@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Sebastian Hesselbarth Cc: Jason Cooper , Andrew Lunn , Gregory Clement , Gabriel Dobato , Wolfram Sang , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-i2c@vger.kernel.org On 02/17/2015 11:52 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. Tested-by: Stephen Warren (Both the HDMI and LCD panel DDC busses on NVIDIA Tegra Springbank/Seaboard, running next-20150224)