linux-kernel - Re: [PATCH] i2c: rk3x: Give the tuning value 0 during rk3x_i2c_v0_calc

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Message-ID: <20161025091249.GB1597@katana>
Date:   Tue, 25 Oct 2016 11:12:49 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     David Wu <david.wu@...k-chips.com>
Cc:     heiko@...ech.de, dianders@...omium.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: rk3x: Give the tuning value 0 during
 rk3x_i2c_v0_calc_timings

On Sat, Oct 22, 2016 at 04:43:42PM +0800, David Wu wrote:
> We found a bug that i2c transfer sometimes failed on 3066a board with
> stabel-4.8, the con register would be updated by uninitialized tuning
> value, it made the i2c transfer failed.
> 
> So give the tuning value to be zero during rk3x_i2c_v0_calc_timings.
> 
> Signed-off-by: David Wu <david.wu@...k-chips.com>

Added stable and applied to for-current, thanks!


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