linux-kernel - Re: [PATCH v1 1/1] i2c: designware: Adjust bus_freq

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Message-ID: <20210405205040.GC3945@kunai>
Date:   Mon, 5 Apr 2021 22:50:40 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Yicong Yang <yangyicong@...ilicon.com>,
        "Song Bao Hua (Barry Song)" <song.bao.hua@...ilicon.com>
Subject: Re: [PATCH v1 1/1] i2c: designware: Adjust bus_freq_hz when refuse
 high speed mode set

On Wed, Mar 31, 2021 at 02:05:10PM +0300, Andy Shevchenko wrote:
> When hardware doesn't support High Speed Mode, we forget bus_freq_hz
> timing adjustment. This makes the timings and real registers being
> unsynchronized. Adjust bus_freq_hz when refuse high speed mode set.
> 
> Fixes: b6e67145f149 ("i2c: designware: Enable high speed mode")
> Reported-by: "Song Bao Hua (Barry Song)" <song.bao.hua@...ilicon.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Applied to for-current, thanks!


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