linux-kernel - Re: [PATCH V5] i2c: designware: fix wrong Tx/Rx FIFO for ACPI

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Message-ID: <b7a12266-3497-3ce9-ed28-211727440c29@linux.intel.com>
Date:   Wed, 14 Dec 2016 13:20:34 +0200
From:   Jarkko Nikula <jarkko.nikula@...ux.intel.com>
To:     Tin Huynh <tnhuynh@....com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>
Cc:     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@....com
Subject: Re: [PATCH V5] i2c: designware: fix wrong Tx/Rx FIFO for ACPI

On 12/14/2016 11:23 AM, Tin Huynh wrote:
> ACPI always sets Tx/Rx FIFO to 32. This configuration will
> cause problem if the IP core supports a FIFO size of less than 32.
> The driver should read the FIFO size from the IP and select the smaller
> one of the two.
>
> Signed-off-by: Tin Huynh <tnhuynh@....com>
>
> ---
>  drivers/i2c/busses/i2c-designware-platdrv.c |   31 ++++++++++++++++++++------
>  1 files changed, 24 insertions(+), 7 deletions(-)

Acked-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>