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From: Sebastian Reichel <sre@kernel.org>
To: Vignesh R <vigneshr@ti.com>
Cc: Claudio Foellmi <claudio.foellmi@ergon.ch>,
	"Strashko, Grygorii" <grygorii.strashko@ti.com>,
	Tony Lindgren <tony@atomide.com>, "Nori, Sekhar" <nsekhar@ti.com>,
	"Cooper Jr., Franklin" <fcooper@ti.com>,
	Aaro Koskinen <aaro.koskinen@iki.fi>,
	Wolfram Sang <wsa@the-dreams.de>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>
Subject: Re: [PATCH] i2c-omap: Trigger bus recovery in lockup case
Date: Wed, 20 Sep 2017 17:02:16 +0200	[thread overview]
Message-ID: <20170920150215.fw7dcru6m234pp56@earth> (raw)
In-Reply-To: <cbb3aaa2-44d1-8a7d-1d8e-1433b0a7b9d3@ti.com>

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Hi,

On Tue, Sep 19, 2017 at 04:20:49PM +0530, Vignesh R wrote:
> I hit a situation where when communicating with a faulty i2c device, the
> last transaction on the bus does not end with proper STOP condition on
> the i2c bus.

Yeah, omap-i2c seems to have big issues with a device not acking a
transaction properly. It can be easily triggered on N950 (OMAP3 based):

https://patchwork.kernel.org/patch/9914785/

Please Cc me when sending a patch, so that I can test it on N950.

-- Sebastian

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  parent reply	other threads:[~2017-09-20 15:02 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-14 15:39 [PATCH] i2c-omap: Trigger bus recovery in lockup case Claudio Foellmi
2017-09-15 23:31 ` Grygorii Strashko
2017-09-18  5:24   ` Vignesh R
2017-09-18 12:01     ` Claudio Foellmi
2017-09-19 10:50       ` Vignesh R
2017-09-20  9:24         ` Claudio Foellmi
2017-09-20 15:02         ` Sebastian Reichel [this message]
2017-09-26 12:24         ` Claudio Foellmi
2017-09-29 12:52           ` Sebastian Reichel
2017-09-29 15:17             ` Claudio Foellmi
2017-09-29 16:37               ` Sebastian Reichel
2017-10-02 23:01                 ` Grygorii Strashko
2017-10-06 15:22                   ` Sebastian Reichel
2017-10-03 10:32               ` Vignesh R
2017-10-04  9:43                 ` [PATCH v2] i2c: omap: " Claudio Foellmi
2017-10-05  6:01                   ` Vignesh R
2017-10-05 12:30                     ` Grygorii Strashko
2017-10-28 20:52                   ` Wolfram Sang
2017-10-30  9:11                     ` Claudio Foellmi
2017-10-30 14:19                   ` Wolfram Sang

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