linux-kernel - Re: [PATCH 2/5] i2c: octeon,thunderx: Avoid sending STOP during recovery

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Message-ID: <20160921210044.GE1513@katana>
Date:   Wed, 21 Sep 2016 23:00:44 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Jan Glauber <jglauber@...ium.com>
Cc:     linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        Dmitry Bazhenov <dmitry.bazhenov@...iga.com>
Subject: Re: [PATCH 2/5] i2c: octeon,thunderx: Avoid sending STOP during
 recovery

On Wed, Sep 21, 2016 at 08:51:03AM +0200, Jan Glauber wrote:
> From: Dmitry Bazhenov <dmitry.bazhenov@...iga.com>
> 
> Due to a bug in the ThunderX I2C hardware sending STOP during
> a recovery attempt could lock up the hardware. To work around
> this problem do not send STOP at the beginning of the recovery
> but use the override registers to bring the TWSI including
> the high-level controller out of the bad state.
> 
> Signed-off-by: Dmitry Bazhenov <dmitry.bazhenov@...iga.com>
> Signed-off-by: Jan Glauber <jglauber@...ium.com>
> [Changed commit message]

Applied to for-next, thanks!


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