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Wed, 18 Mar 2026 10:29:55 -0700 From: Akhil R To: Alexandre Belloni , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "Rafael J . Wysocki" , Robert Moore , "Len Brown" , Guenter Roeck , Philipp Zabel , Eric Biggers , "Fredrik Markstrom" , Miquel Raynal , Thierry Reding , "Jon Hunter" , Suresh Mangipudi , , , , , , , CC: Akhil R Subject: [PATCH 07/12] i3c: master: match I3C device through DT and ACPI Date: Wed, 18 Mar 2026 22:57:20 +0530 Message-ID: <20260318172820.13771-8-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260318172820.13771-1-akhilrajeev@nvidia.com> References: <20260318172820.13771-1-akhilrajeev@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF00012E80:EE_|MN2PR12MB4173:EE_ X-MS-Office365-Filtering-Correlation-Id: 849e53b2-b09a-4e33-bbc0-08de851406ec X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|7416014|36860700016|376014|921020|56012099003|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: yp+0qCsV8uhrcgVIGsbHEdFYxVJjUIH31Twgm0jZ5F6gfDvVr9QWRsEJ/4SaaAmwDVIrISZOTR+0x0yWvYkjtUjWpkvBblwkweHHfIrxkUiXhw0RHOGell60RRzHrTHOuwXYQUIKA+tLf9anO9V5iYQoEIMZ9byi3NHeKV1+wvQvSh64L79ndbKTbFguShRqYiK202Cnf3TwQW1T/kwhiiETa9RdTyYOQzLgCU0NAlWPxcU5M/Z4hBxXHx/XAgYh8jBwJgfdwp/UzsX2qJHFA1asMkUZBMHg6UgBtLER52vZEWh9v9Lm6CbuEeYwHnYP7B6npXlZxf4WPt2NU1LHhJt1rzJNfuHsO+oIkjYFl2O6wrAr+GH3SxYNCPV0CjaXn/BL0aCzmX9kMb9Ohz4LOe4pAoZTPOZf1krzeHbNubaTC8/+b5DBy/iRLBXg+yKilNl4WzQV5lyVnJXvsRF6bGPCrea6htCLhDvn+zaMPAsPtvJ/YVSelwlmEKAADHhuQYx4Y7P2PI0gck48jIVM/ZUQSAIah3wcOobzAe85OpQr7YXmVq7ZwmNCmYUTrxDXH3xbjO7nZRzYnLGEufrOQVWdMkMSSZooD8lOdF3pV4tj7+ce2nMDEloxvjxpCD21HMMrKdMpZJfJiPNBGuyS7NpdmCsycgffnUlIDwlYjP2YCg5fYSKTz2ndDMVo9swGt2aU/IB5uGENuzqf9lcjteDlgaQNYTzUzlQl/LmKvYpyaLiHj2FSdwbul8tdkcy2KhC7u6Qoe1soekYg3IePX7JbKs/d59AoEkThANLFrGIG5yx3Wn2x+ZZCQT95pFte X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(7416014)(36860700016)(376014)(921020)(56012099003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: nLxv0aNDROmBSJOtB669NSnyubJW/xmEJCgYKXlSxiSomP0Jqrek+ypXLoHaiARIaSF6r6OHOhQagHmUaNmiNtrAbpBEbkYXd7pqBQ40Ds4ZTzn6emHgH7oWVme8Akv1C8p8scwB2S+e43IoCatUW1mxqw7bWhOI4+5g6y2Wiwa25ywgu/1WlWJAHb/h66+/mK5q8DKjHfKM8ErkE4oFeT5SYpxVzAt+vqnoVg18c5cZaUOyvprNQtIdw5RdGEuwX+vZdx/DjxKlb9FKESgAT0Lm5F2jWWr4Y20ybOREVGW6AiHV0j86Sh6eBw+K8KBlwaqD++WdSt4HOPUXm67inU1rSjeJ1PRgeZ8JeT7enL864RFGeeJQJNaDQrJytyHq+M9e/UPoVE4plLKEqZL8aI35pDSnmXbJli5I7Au+EYh0uwYWNU/achBY+ZIDR5yI X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2026 17:30:19.4268 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 849e53b2-b09a-4e33-bbc0-08de851406ec X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF00012E80.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4173 Content-Type: text/plain; charset="utf-8" SETAASA-based devices cannot always be identified by PID or DCR; the standard I3C id_table matching may not be applicable. Allow such devices to be matched through Device Tree or ACPI Signed-off-by: Akhil R --- drivers/i3c/master.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 0cce75bb05b0..ef96518558fb 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include #include @@ -342,15 +343,32 @@ static int i3c_device_match(struct device *dev, const= struct device_driver *drv) { struct i3c_device *i3cdev; const struct i3c_driver *i3cdrv; + u8 static_addr_method =3D 0; =20 if (dev->type !=3D &i3c_device_type) return 0; =20 i3cdev =3D dev_to_i3cdev(dev); i3cdrv =3D drv_to_i3cdrv(drv); - if (i3c_device_match_id(i3cdev, i3cdrv->id_table)) + + if (i3cdev->desc && i3cdev->desc->boardinfo) + static_addr_method =3D i3cdev->desc->boardinfo->static_addr_method; + + /* + * SETAASA based device need not always have a matching ID since + * it is not mandatory for such devices to implement deviceinfo + * CCC commands. Allow them to register through DT or ACPI. + */ + if (i3cdrv->id_table && i3c_device_match_id(i3cdev, i3cdrv->id_table)) return 1; =20 + if (static_addr_method & I3C_ADDR_METHOD_SETAASA) { + if (of_driver_match_device(dev, drv)) + return 1; + if (acpi_driver_match_device(dev, drv)) + return 1; + } + return 0; } =20 --=20 2.50.1