From: Jarkko Nikula <jarkko.nikula@linux.intel.com>
To: "Mario Limonciello" <mario.limonciello@amd.com>,
"Jan Dąbroś" <jsd@semihalf.com>,
"Grzegorz Bernacki" <gjb@semihalf.com>,
Rijo-john.Thomas@amd.com, Thomas.Lendacky@amd.com,
herbert@gondor.apana.org.au,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Mika Westerberg" <mika.westerberg@linux.intel.com>
Cc: Felix.Held@amd.com, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 6/8] i2c: designware: Use PCI PSP driver for communication
Date: Mon, 13 Mar 2023 12:30:09 +0200 [thread overview]
Message-ID: <c24b35f6-5bc5-7e24-ab63-499381f5b134@linux.intel.com> (raw)
In-Reply-To: <20230310211954.2490-7-mario.limonciello@amd.com>
On 3/10/23 23:19, Mario Limonciello wrote:
> Currently the PSP semaphore communication base address is discovered
> by using an MSR that is not architecturally guaranteed for future
> platforms. Also the mailbox that is utilized for communication with
> the PSP may have other consumers in the kernel, so it's better to
> make all communication go through a single driver.
>
> Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
> ---
> v3->v4:
> * Pick up tags
> v1->v2:
> * Fix Kconfig to use imply
> * Use IS_REACHABLE
> ---
> drivers/i2c/busses/Kconfig | 2 +-
> drivers/i2c/busses/i2c-designware-amdpsp.c | 142 ++------------------
> drivers/i2c/busses/i2c-designware-core.h | 1 -
> drivers/i2c/busses/i2c-designware-platdrv.c | 1 -
> include/linux/psp-platform-access.h | 1 +
> 5 files changed, 11 insertions(+), 136 deletions(-)
>
For the i2c-designware parts:
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
next prev parent reply other threads:[~2023-03-13 10:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-10 21:19 [PATCH v4 0/8] Export platform features from ccp driver Mario Limonciello
2023-03-10 21:19 ` Mario Limonciello
2023-03-10 21:19 ` [PATCH v4 1/8] crypto: ccp: Drop TEE support for IRQ handler Mario Limonciello
2023-03-10 21:19 ` [PATCH v4 2/8] crypto: ccp: Add a header for multiple drivers to use `__psp_pa` Mario Limonciello
2023-03-10 21:19 ` Mario Limonciello
2023-03-10 21:19 ` [PATCH v4 3/8] crypto: ccp: Move some PSP mailbox bit definitions into common header Mario Limonciello
2023-03-13 10:30 ` Jarkko Nikula
2023-03-10 21:19 ` [PATCH v4 4/8] crypto: ccp: Add support for an interface for platform features Mario Limonciello
2023-03-10 21:19 ` [PATCH v4 5/8] crypto: ccp: Enable platform access interface on client PSP parts Mario Limonciello
2023-03-10 21:19 ` [PATCH v4 6/8] i2c: designware: Use PCI PSP driver for communication Mario Limonciello
2023-03-13 10:30 ` Jarkko Nikula [this message]
2023-03-15 10:28 ` Grzegorz Bernacki
2023-03-10 21:19 ` [PATCH v4 7/8] crypto: ccp: Add support for ringing a platform doorbell Mario Limonciello
2023-03-15 11:07 ` Grzegorz Bernacki
2023-03-21 21:16 ` Limonciello, Mario
2023-03-10 21:19 ` [PATCH v4 8/8] i2c: designware: Add doorbell support for Skyrim Mario Limonciello
2023-03-13 10:29 ` Jarkko Nikula
2023-03-13 11:34 ` Andy Shevchenko
2023-03-20 19:04 ` Mark Hasemeyer
2023-03-20 19:31 ` Mark Hasemeyer
2023-03-17 3:26 ` [PATCH v4 0/8] Export platform features from ccp driver Herbert Xu
2023-03-17 3:26 ` Herbert Xu
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