From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Cc: "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,
"Mika Westerberg" <mika.westerberg@linux.intel.com>,
Felix.Held@amd.com, linux-i2c@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 8/8] i2c: designware: Add doorbell support for Skyrim
Date: Mon, 13 Mar 2023 13:34:24 +0200 [thread overview]
Message-ID: <ZA8KQIeRUtAXbkTV@smile.fi.intel.com> (raw)
In-Reply-To: <b18aefc2-dd07-5356-0d19-b4783ed500e6@linux.intel.com>
On Mon, Mar 13, 2023 at 12:29:50PM +0200, Jarkko Nikula wrote:
> On 3/10/23 23:19, Mario Limonciello wrote:
...
> > + if (rdev->device == 0x1630)
> > + _psp_send_i2c_req = psp_send_i2c_req_cezanne;
> > + else
> > + _psp_send_i2c_req = psp_send_i2c_req_skyrim;
>
> Is there any possibility pci_get_domain_bus_and_slot() returns NULL? Or is
> 00:00.0 always present?
Theoretically it's possible in two cases (or more?):
1) no PCI support compiled;
2) no device found (PCI-less system).
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-03-13 11:36 UTC|newest]
Thread overview: 19+ 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 ` [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 ` [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
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 [this message]
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
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