linux-kernel - Re: [PATCH v8 6/6] i2c: designware: Add doorbell support for Mendocino

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Date:   Fri, 7 Apr 2023 08:17:49 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Mario Limonciello <mario.limonciello@....com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Jan Dabros <jsd@...ihalf.com>, Held Felix <Felix.Held@....com>,
        linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        Mark Hasemeyer <markhas@...omium.org>,
        Grzegorz Bernacki <gjb@...ihalf.com>
Subject: Re: [PATCH v8 6/6] i2c: designware: Add doorbell support for
 Mendocino

On Mon, Apr 03, 2023 at 01:32:15PM -0500, Mario Limonciello wrote:
> Mendocino and later platform don't use the platform feature mailbox for
> communication for I2C arbitration, they rely upon ringing a doorbell.
> 
> Detect the platform by the device ID of the root port and choose the
> appropriate method.
> 
> Link: https://lore.kernel.org/linux-i2c/20220916131854.687371-3-jsd@semihalf.com/
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>
> Acked-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>
> Reviewed-by: Mark Hasemeyer <markhas@...omium.org>
> Tested-by: Mark Hasemeyer <markhas@...omium.org>

Acked-by: Wolfram Sang <wsa@...nel.org>


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