linux-kernel - Re: [PATCH] i2c: designware: Fix bogus sda_hold

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Message-ID: <20170522083621.upovyjqo56ywqdrl@ninjato>
Date:   Mon, 22 May 2017 10:36:21 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Jan Kiszka <jan.kiszka@...mens.com>
Cc:     Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        mika.westerberg@...ux.intel.com, linux-i2c@...r.kernel.org,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i2c: designware: Fix bogus sda_hold_time due to
 uninitialized vars

On Mon, May 22, 2017 at 07:46:55AM +0200, Jan Kiszka wrote:
> We need to initializes those variables to 0 for platforms that do not
> provide ACPI parameters. Otherwise, we set sda_hold_time to random
> values, breaking e.g. Galileo and IOT2000 boards.
> 
> Fixes: 9d6408433019 ("i2c: designware: don't infer timings described by ACPI from clock rate")
> Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>

Applied to for-current, thanks!


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