linux-kernel - Re: [PATCH V1] i2c: designware: fix wrong tx/rx fifo for ACPI

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Message-ID: <20161129092631.GQ1459@lahna.fi.intel.com>
Date:   Tue, 29 Nov 2016 11:26:31 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Tin Huynh <tnhuynh@....com>
Cc:     Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        Loc Ho <lho@....com>, Thang Nguyen <tqnguyen@....com>,
        Phong Vo <pvo@....com>, patches <patches@....com>
Subject: Re: [PATCH V1] i2c: designware: fix wrong tx/rx fifo for ACPI

On Tue, Nov 29, 2016 at 04:15:13PM +0700, Tin Huynh wrote:
>    Yes , My IP core supports 16 bytes size only . Should we get this
>    parameter from ACPI table instead of 32 ?

What if we set the default 32 from ACPI as currently but then read the
value from hardware as well and pick the smaller one of the two?