linux-kernel - Re: [PATCH v2] i2c: tegra: Add delay before reset the controller

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Message-ID: <4F88ADE8.4020200@wwwdotorg.org>
Date:	Fri, 13 Apr 2012 16:51:20 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	ben-linux@...ff.org, w.sang@...gutronix.de
CC:	Alok Chauhan <alokc@...dia.com>, khali@...ux-fr.org,
	olof@...om.net, bones@...retlab.ca, omaplinuxkernel@...il.com,
	ccross@...roid.com, ldewangan@...dia.com,
	linux-tegra@...r.kernel.org, linux-i2c@...r.kernel.org,
	dgreid@...omium.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c: tegra: Add delay before reset the controller

On 04/02/2012 01:58 PM, Stephen Warren wrote:
> On 04/01/2012 11:53 PM, Alok Chauhan wrote:
>> NACK interrupt generated before I2C controller generates
>> the STOP condition on bus. In Software, because of this
>> reset of controller is happening before I2C controller could
>> complete STOP condition. So wait for some time before resetting
>> the controller so that STOP condition has delivered properly on bus.
>>
>> Added delay of 2 clock period before reset the
>> controller in case of NACK error.
>>
>> Signed-off-by: Alok Chauhan <alokc@...dia.com>
> 
> Acked-by: Stephen Warren <swarren@...dotorg.org>

Wolfram, Ben, can this be picked up for 3.5?
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