From: Stephen Warren <swarren@wwwdotorg.org>
To: Alok Chauhan <alokc@nvidia.com>
Cc: khali@linux-fr.org, ben-linux@fluff.org, w.sang@pengutronix.de,
olof@lixom.net, bones@secretlab.ca, omaplinuxkernel@gmail.com,
ccross@android.com, ldewangan@nvidia.com,
linux-tegra@vger.kernel.org, linux-i2c@vger.kernel.org,
dgreid@chromium.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] i2c: tegra: Add delay before reset the controller
Date: Mon, 02 Apr 2012 13:58:56 -0600 [thread overview]
Message-ID: <4F7A0500.3060305@wwwdotorg.org> (raw)
In-Reply-To: <1333345982-16595-1-git-send-email-alokc@nvidia.com>
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@nvidia.com>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
next prev parent reply other threads:[~2012-04-02 19:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-02 5:53 [PATCH v2] i2c: tegra: Add delay before reset the controller Alok Chauhan
2012-04-02 5:59 ` Alok Chauhan
2012-04-02 10:19 ` Shubhrajyoti Datta
2012-04-02 12:06 ` Alok Chauhan
2012-04-02 19:58 ` Stephen Warren [this message]
2012-04-13 22:51 ` Stephen Warren
2012-04-18 14:27 ` Wolfram Sang
2012-04-18 20:02 ` Stephen Warren
2012-04-18 20:20 ` Wolfram Sang
-- strict thread matches above, loose matches on Subject: below --
2011-12-26 11:14 Alok Chauhan
2012-01-06 16:18 ` Ben Dooks
2012-01-10 4:12 ` Alok Chauhan
2012-02-10 9:20 ` Alok Chauhan
2012-02-10 9:35 ` Shubhrajyoti Datta
2012-02-14 5:49 ` Alok Chauhan
2012-03-08 6:29 ` Alok Chauhan
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