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Thu, 9 Apr 2026 03:59:46 -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 , Sakari Ailus , Wolfram Sang , Miquel Raynal , , , , , , CC: Akhil R Subject: [PATCH v2 07/13] i3c: master: match I3C device through DT and ACPI Date: Thu, 9 Apr 2026 16:27:37 +0530 Message-ID: <20260409105747.48158-8-akhilrajeev@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260409105747.48158-1-akhilrajeev@nvidia.com> References: <20260409105747.48158-1-akhilrajeev@nvidia.com> Precedence: bulk X-Mailing-List: devicetree@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: CH3PEPF00000018:EE_|DS4PR12MB9770:EE_ X-MS-Office365-Filtering-Correlation-Id: 7e98a250-8fb7-4971-d9f6-08de9627276d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700016|82310400026|376014|7416014|22082099003|921020|56012099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(36860700016)(82310400026)(376014)(7416014)(22082099003)(921020)(56012099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: KpNI14Tqnyq69bBexfVqCUmiDPIKtk/4Bz88tp3uH8gvNbGzwrQdvU80Y+HeUc8VvXjDDoTtyVbnpyh/SaMIAmRzETPaCU0XfuFyEnvFB1wMIYuUbWzebeFmZLJnm96fRVUxu5N5jzdzYDIGVwhizNRkd6gzELz9eGMuXQhNDhcxGkPDStCjndFRIIddU4u07NNENpwTxqmiD0D5Ymp3tLPWH51kCni2c0H/F1Dk4RPmwwuuM6m02leZCn/J8HSqoLnHysYJ/IvEpwdYT/x/myq1bnpaJK1Abrdg/UTczgNpYO6Fo088ZakzhTzOv/LUoimU7f19FaQ4BA3y9Vyy/saga1jv61HZTADvVBPVmdxjqwJwUdvhZpJqBx/P/DQmE6DPjPXa2J6QGoSRHfyp9WIFbdXKRNbFHLzJkKw2slj+NSG4M4GG9KZmly7NCh0H X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Apr 2026 11:00:04.0960 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7e98a250-8fb7-4971-d9f6-08de9627276d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH3PEPF00000018.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS4PR12MB9770 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 324a0440724e..f9f682a881be 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 = 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