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Wed, 18 Mar 2026 10:30:08 -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 08/12] i3c: dw-i3c-master: Add SETAASA as supported CCC Date: Wed, 18 Mar 2026 22:57:21 +0530 Message-ID: <20260318172820.13771-9-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: CO1PEPF00012E84:EE_|CH3PR12MB9732:EE_ X-MS-Office365-Filtering-Correlation-Id: 884ae3a2-6a78-40cf-b49d-08de851412af X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|7416014|376014|82310400026|1800799024|921020|56012099003|18002099003|22082099003; X-Microsoft-Antispam-Message-Info: QfMX2ZejuDAvnFte4SMVZoL3NJYAjhhEibjKGFnva4AT3zBYB8iI/xmzL7f73/6EqD/G24DmfciNpQ6rx6n+CKbDrvN8I+oBJd7IaQg575k+e8KLdF4Ovp12IaKTgm2jMl/VePCeUf2YYsMjsLLpysTBMN7zYpmUrGY5vMqvnpH+5RLr200YnEYlbi0hJ/aIf4RkM5d7PXkfcGW5/71cVRq/98vf99e0sEp+a7YFaVPg6fFXI9n8SeH7samm2XQCeVDfUyp8H5OI3/bRX33BUUBynfDycSE6zw5iISnUdwAaGKkegeiqd89evZ3KIbtdVmyvbJuwWxCqZCPPJ004YffnjTWB6aeI59G91bLJ9bg1ZqyEHbXUp56NY4gU0drV0k/wd34u0VNteuoXTuZ1S8hkMqz10PQpLoxKTj3nmGGQ/c60h9YgpIJC5iuWw42ZpseVjTGaXPAPTqU7gSXkwFoJoza7WiwtuF4H6DwqVCQNppWG+wt/frpOxWXIKfVCqUmxBDuP5nv/si5p0SZQhI3FEaXJnhBOL4HWtidfUzoMuB0nP2Kwbe/jdkcE2qzgr12rNbdirq27vkGbHvO5BZ6IgCTNhawhPisySuSVOngubpvRtfpwGqYS+GivEJd1mlLcYoMKTIchwFsNA40sk0kiRYuVeWhTGFFhqTJEGTz376DwcvFFjuMXGa5EF+5QTm5zsnEgyTG/3c8kZm/xgmlKHBOewt+S19zxPhefeWsBd2MuKrJdRUya5AiZAe0/P7G0gSVEgaZMYtXkDdTv83K/1nnarcMmDIob/XDBcmj0DQta4VFqsRD7jY7x6Qgw 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)(7416014)(376014)(82310400026)(1800799024)(921020)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: z3IQgpGVQvfsYQlxYy8MKHuhuaXCXbwT/32lnsVCEXC/9HNKUaQVrp+X5Il8hVDZkbZHkKT/QANT8RvPI9N0z+B6UuQk9vvpLTD8pOxOrDFtTeo60NyKIu9OrXX3FRw1BG0BSF07HAKMOuzElMLewj627iuxUw6oEIva4SM5K+3JBumoFVWYRc0wOetiCE8YkRHSCkdMC+FvBhX93CRZn1q+wyC/83eIMMNcRljaLm3hW64JSbnL4DEaMbsLDUYnq/h+NGf1QKHw5TvwkTlXmCUbRVWhTj6vrTedJGpNkeGlNStymIaBxlb2mfr2I0R8eZfli3dae0vF7IAJLPkdLpKNCF5P7nkqWbXHIKQFbZYjTj8nhzAZS81gd/oZAyJz3z7oYAImwRCIfzeGG0+5d7CtJoG89CKFwM1C/HIUZXJlTA4ekqoaMJyC9slzyD+l X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2026 17:30:39.1499 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 884ae3a2-6a78-40cf-b49d-08de851412af 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: CO1PEPF00012E84.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB9732 Content-Type: text/plain; charset="utf-8" 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 stops HID bit flipping by the SPD Hub on 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 d6bdb32397fb..05ccdf177b6d 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -308,6 +308,8 @@ static bool dw_i3c_master_supports_ccc_cmd(struct i3c_m= aster_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; --=20 2.50.1