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Wed, 11 Sep 2024 05:38:55 -0500 From: Manikanta Guntupalli To: , , , , , CC: , , , , Manikanta Guntupalli Subject: [PATCH V2 0/3] Add atomic transfer support to i2c-cadence Date: Wed, 11 Sep 2024 16:08:49 +0530 Message-ID: <20240911103852.162234-1-manikanta.guntupalli@amd.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Received-SPF: None (SATLEXMB04.amd.com: manikanta.guntupalli@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002324:EE_|SJ2PR12MB9238:EE_ X-MS-Office365-Filtering-Correlation-Id: ee440d12-9448-43fd-9d5e-08dcd24df294 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|82310400026|36860700013; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(1800799024)(82310400026)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2024 10:39:00.2345 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ee440d12-9448-43fd-9d5e-08dcd24df294 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002324.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB9238 This patch series adds atomic transfer support to the i2c-cadence controller version 1.4. --- Changes for V2: Added review signature for PATCH 1/3 and PATCH 2/3. Simplify the return statement of cdns_i2c_error_check(). Update description. Remove unnecessary typecast. Update if-else to reduce a level of indentation. Expand *id->p_recv_buf++ to have clear operation precedence. Move variables to inside while block in cdns_i2c_mrecv_atomic() and cdns_i2c_msend_rem_atomic(). Manikanta Guntupalli (3): i2c: cadence: Relocate cdns_i2c_runtime_suspend and cdns_i2c_runtime_resume to facilitate atomic mode i2c: cadence: Split cdns_i2c_master_xfer for Atomic Mode i2c: cadence: Add atomic transfer support for controller version 1.4 drivers/i2c/busses/i2c-cadence.c | 423 ++++++++++++++++++++++--------- 1 file changed, 303 insertions(+), 120 deletions(-)