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Thu, 14 Dec 2023 15:13:54 -0600 From: Ben Levinsky To: , , CC: , , Subject: [PATCH 0/3] mailbox: zynqmp: Enable Bufferless IPIs for Versal based SOCs Date: Thu, 14 Dec 2023 13:13:51 -0800 Message-ID: <20231214211354.348294-1-ben.levinsky@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00001506:EE_|SJ0PR12MB8138:EE_ X-MS-Office365-Filtering-Correlation-Id: a09f04b1-44e8-435c-e0a5-08dbfce994e5 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:(13230031)(4636009)(376002)(396003)(136003)(39860400002)(346002)(230922051799003)(451199024)(186009)(64100799003)(82310400011)(1800799012)(46966006)(36840700001)(40470700004)(40480700001)(26005)(1076003)(426003)(336012)(2616005)(40460700003)(36756003)(356005)(82740400003)(86362001)(81166007)(83380400001)(44832011)(5660300002)(4326008)(70586007)(15650500001)(36860700001)(6666004)(70206006)(6636002)(110136005)(316002)(8676002)(54906003)(8936002)(966005)(2906002)(4744005)(478600001)(41300700001)(47076005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Dec 2023 21:13:55.8104 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a09f04b1-44e8-435c-e0a5-08dbfce994e5 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: SA2PEPF00001506.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB8138 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231214_131408_254091_93BFB14B X-CRM114-Status: UNSURE ( 7.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org For Xilinx-AMD Versal and Versal NET SOC's there exist also inter-processor-interrupts (IPIs) without IPI Message Buffers. For these enable use of IPI Mailbox driver for send/receive as well. This is enabled with new compatible string: "xlnx,versal-ipi-mailbox" Original, buffered usage for ZynqMP based SOC is still supported. Note that the linked patch provides corresponding bindings. Depends on: https://lore.kernel.org/all/20231214054224.957336-3-tanmay.shah@amd.com/T/ Ben Levinsky (3): mailbox: zynqmp: Move of_match structure closer to usage mailbox: zynqmp: Move buffered IPI setup to of_match selected routine mailbox: zynqmp: Enable Bufferless IPI usage on Versal-based SOC's drivers/mailbox/zynqmp-ipi-mailbox.c | 275 ++++++++++++++++++++++----- 1 file changed, 231 insertions(+), 44 deletions(-)