From: Wolfram Sang <wsa@kernel.org>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
Jarkko Nikula <jarkko.nikula@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Jan Dabros <jsd@semihalf.com>, Held Felix <Felix.Held@amd.com>,
linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
Mark Hasemeyer <markhas@chromium.org>,
Grzegorz Bernacki <gjb@semihalf.com>
Subject: Re: [PATCH v8 6/6] i2c: designware: Add doorbell support for Mendocino
Date: Fri, 7 Apr 2023 08:17:49 +0200 [thread overview]
Message-ID: <ZC+1jcwDZXd5+2gD@sai> (raw)
In-Reply-To: <20230403183216.3493-7-mario.limonciello@amd.com>
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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@amd.com>
> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
> Reviewed-by: Mark Hasemeyer <markhas@chromium.org>
> Tested-by: Mark Hasemeyer <markhas@chromium.org>
Acked-by: Wolfram Sang <wsa@kernel.org>
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next prev parent reply other threads:[~2023-04-07 6:18 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 18:32 [PATCH v8 0/6] Use CCP driver to handle PSP I2C arbitration Mario Limonciello
2023-04-03 18:32 ` [PATCH v8 1/6] crypto: ccp: Drop extra doorbell checks Mario Limonciello
2023-04-03 18:32 ` [PATCH v8 2/6] crypto: ccp: Bump up doorbell debug message to error Mario Limonciello
2023-04-03 18:32 ` [PATCH v8 3/6] crypto: ccp: Return doorbell status code as an argument Mario Limonciello
2023-04-03 18:32 ` [PATCH v8 4/6] crypto: ccp: Use lower 8 bytes to communicate with doorbell command register Mario Limonciello
2023-04-03 18:32 ` [PATCH v8 5/6] i2c: designware: Use PCI PSP driver for communication Mario Limonciello
2023-04-07 6:17 ` Wolfram Sang
2023-04-14 10:21 ` Herbert Xu
2023-04-03 18:32 ` [PATCH v8 6/6] i2c: designware: Add doorbell support for Mendocino Mario Limonciello
2023-04-07 6:17 ` Wolfram Sang [this message]
2023-04-06 6:42 ` [PATCH v8 0/6] Use CCP driver to handle PSP I2C arbitration Wolfram Sang
2023-04-06 11:58 ` Mario Limonciello
2023-04-07 6:18 ` Wolfram Sang
2023-04-12 16:28 ` Limonciello, Mario
2023-04-14 11:05 ` Herbert Xu
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