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Thu, 23 Apr 2026 01:59:34 -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 08/13] i3c: dw-i3c-master: Add SETAASA as supported CCC Date: Thu, 23 Apr 2026 14:27:07 +0530 Message-ID: <20260423085718.70762-9-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: CH3PEPF0000000B:EE_|PH7PR12MB7913:EE_ X-MS-Office365-Filtering-Correlation-Id: 4fc871b5-8e64-4b4a-56d3-08dea116b412 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|1800799024|7416014|376014|82310400026|921020|56012099003|18002099003|22082099003; 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)(36860700016)(1800799024)(7416014)(376014)(82310400026)(921020)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: frv3PJGqA9QS7RDgMlhSRkeogHZCTVzDu6WQYlYxYNLJ4IdGea51lsZAo8ZwzP4AwaOu10AOWcMpjqhKfwBMBj5wBQ3X6gb2H1ypXpDSaafOvDP5oOlwonGUCClDfIwcHQKlitVrCASCywJaPmvgH9/Dy05DbLo+F/7NjGCnrnODK+AwYuc12duZ7ViMDTp6a71V1YAO39Zrf6luy+MfcpZvNMieZC4R13Vs49v6Lr1PzCd5cz5E7G2F4kc4ROPyKXId7oTZFnVoieGpgX5Ujq7ZKY02F124gItqWn94z/m1whr/5tWs+Pkvu9y5r9PNy3UkOfB7ig5T2l/nJEGvI+WU/fDojMm/lpRZeU4+MRn0Urph3CObsSfMYfIQK8NM3rOBXxGXCc6awHaZpCwIaIC2KBA32V1fQ4BrZfDGEj8ZkZpBmDC/M1Y+l57+885b X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Apr 2026 09:00:01.3937 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4fc871b5-8e64-4b4a-56d3-08dea116b412 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: CH3PEPF0000000B.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB7913 Add SETAASA and SETHID to the supported list of CCC commands for DesignWare I3C host controller. SETAASA is a broadcast command that assigns predefined static addresses to all I3C devices on the bus. SETHID is to stop HID bit flipping by the SPD Hub to which the SPD devices are connected. It is a prerequisite command to be sent before SETAASA as recommended by JESD300-5 and JESD403 sideband bus specifications. Signed-off-by: Akhil R --- drivers/i3c/master/dw-i3c-master.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c index 655693a2187e..edd42daf7553 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -309,6 +309,8 @@ static bool dw_i3c_master_supports_ccc_cmd(struct i3c_master_controller *m, case I3C_CCC_GETSTATUS: case I3C_CCC_GETMXDS: case I3C_CCC_GETHDRCAP: + case I3C_CCC_SETAASA: + case I3C_CCC_VENDOR(0, true): /* SETHID */ return true; default: return false; -- 2.50.1