linux-kernel - Re: [PATCH v5 2/3] ARM: dts: Add i2c-arbitrator bus for exynos5250-snow

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Message-ID: <20130410110226.GA3533@the-dreams.de>
Date:	Wed, 10 Apr 2013 13:02:27 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Kukjin Kim <kgene.kim@...sung.com>
Cc:	'Doug Anderson' <dianders@...omium.org>,
	'Simon Glass' <sjg@...omium.org>,
	'Naveen Krishna Chatradhi' <ch.naveen@...sung.com>,
	grant.likely@...retlab.ca, yuvaraj.cd@...il.com,
	ben.dooks@...ethink.co.uk, u.kleine-koenig@...gutronix.de,
	broonie@...nsource.wolfsonmicro.com,
	girish.shivananjappa@...aro.org, bhushan.r@...sung.com,
	sreekumar.c@...sung.com, prashanth.g@...sung.com, olof@...om.net,
	djkurtz@...omium.org, swarren@...dotorg.org, linux@...ck-us.net,
	'Russell King' <linux@....linux.org.uk>,
	'Thomas Abraham' <thomas.abraham@...aro.org>,
	'Rahul Sharma' <rahul.sharma@...sung.com>,
	'Jingoo Han' <jg1.han@...sung.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/3] ARM: dts: Add i2c-arbitrator bus for
 exynos5250-snow

On Wed, Apr 10, 2013 at 07:59:17PM +0900, Kukjin Kim wrote:
> Doug Anderson wrote:
> > 
> > We need to use the i2c-arbitrator to talk to any of the devices on i2c
> > bus 4 on exynos5250-snow so that we don't confuse the embedded
> > controller (EC).  Add the i2c-arbitrator to the device tree.  As we
> > add future devices (keyboard, sbs, tps65090) we'll add them on top of
> > this.
> > 
> > The arbitrated bus is numbered 104 simply as a convenience to make it
> > easier for people poking around to guess that it might have something
> > to do with the physical bus 4.
> > 
> > The addition is split between the cros5250-common and the snow device
> > tree file since not all cros5250-class devices use arbitration.
> > 
> > Signed-off-by: Doug Anderson <dianders@...omium.org>
> 
> I'm fine on 2nd and 3rd patches. Shall I take only two patches without 1st
> one in samsung tree?

Please wait for my OK on patch 1. Or ack patches 2 and 3 and I will pick
them up. I am fine with both.

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