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Thu, 23 Apr 2026 01:59:22 -0700 From: Akhil R To: Alexandre Belloni , Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "Rafael J . Wysocki" , Saket Dumbre , "Len Brown" , Guenter Roeck , Philipp Zabel , Bjorn Andersson , Geert Uytterhoeven , Dmitry Baryshkov , Arnd Bergmann , "Eric Biggers" , Wolfram Sang , Miquel Raynal , Jon Hunter , "Thierry Reding" , , , , , , , CC: Akhil R Subject: [PATCH v3 07/13] i3c: master: match I3C device through DT and ACPI Date: Thu, 23 Apr 2026 14:27:06 +0530 Message-ID: <20260423085718.70762-8-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260423085718.70762-1-akhilrajeev@nvidia.com> References: <20260423085718.70762-1-akhilrajeev@nvidia.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PEPF0000000D:EE_|BL3PR12MB6545:EE_ X-MS-Office365-Filtering-Correlation-Id: 195df2a3-1a3d-40ee-103d-08dea116ac4d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|36860700016|376014|82310400026|56012099003|18002099003|22082099003|921020; X-Microsoft-Antispam-Message-Info: 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 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)(1800799024)(7416014)(36860700016)(376014)(82310400026)(56012099003)(18002099003)(22082099003)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: a4QAXe4lqEi220wlESf3vXKHRPk7Xr/rHilhXDEh4oicaXausqi2AtfQqTXZlhDUm+7W7qOVkDTPEbSWpRw6GtT5GCVL0Rh1ZBZ7BsU6qhSn4GoA37/dj1N7r2dblLK4Jjt+jxxboiluucpcj0GpBSVaKPlsSYLmxbu174tfnKkuDqln23eEBzXl+/SuT7oFFzNg2m641BBRo1BBjviJB9w6mMS9auMN18+epaB/jh23QO0bmyH31KyCA9X0gOy66ov1RIhiRjQQBbtEmg+reQhrNfUK4Ew+bpBDfvDH4wp/O+LDwLsbWdMUYEYO3/nv24IPDWHyGSDWDaU7OxMlKhAeZ9hisRxacMGHLUWchxgrf26P3LLqFu7RaAGjk9eZG9P4yCx9Jj1fyspkkhzR30PkXJKTSvbz39Yjc8X1DP4gWYGp6WW9/z8KZTXiNHIb X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2026 08:59:48.3752 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 195df2a3-1a3d-40ee-103d-08dea116ac4d 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: CH3PEPF0000000D.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR12MB6545 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. Reviewed-by: Frank Li 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 fbe8710c4c56..0be83bfdb563 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -343,15 +344,32 @@ 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 = 0; if (dev->type != &i3c_device_type) return 0; i3cdev = dev_to_i3cdev(dev); i3cdrv = drv_to_i3cdrv(drv); - if (i3c_device_match_id(i3cdev, i3cdrv->id_table)) + + if (i3cdev->desc && i3cdev->desc->boardinfo) + static_addr_method = 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; + 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; } -- 2.50.1