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Thu, 11 Jan 2024 11:22:26 -0600 From: Ben Levinsky To: , , , , , , CC: , , , Subject: [PATCH v2 0/3] mailbox: zynqmp: Enable Bufferless IPIs for Versal based SOCs Date: Thu, 11 Jan 2024 09:22:23 -0800 Message-ID: <20240111172226.1816105-1-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: SA2PEPF00001505:EE_|PH7PR12MB6561:EE_ X-MS-Office365-Filtering-Correlation-Id: 46c1426e-7885-4b30-dea8-08dc12c9e28e 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)(396003)(136003)(39860400002)(346002)(376002)(230922051799003)(64100799003)(82310400011)(186009)(451199024)(1800799012)(40470700004)(36840700001)(46966006)(40480700001)(40460700003)(2906002)(36860700001)(6666004)(5660300002)(966005)(15650500001)(478600001)(4744005)(81166007)(4326008)(44832011)(356005)(70586007)(316002)(54906003)(70206006)(36756003)(47076005)(110136005)(8936002)(86362001)(8676002)(2616005)(41300700001)(426003)(336012)(1076003)(26005)(83380400001)(82740400003)(36900700001);DIR:OUT;SFP:1101; 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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/ v2: - formatting in 2/3 patch - remove extra handling in 3/3 versal_ipi_setup() 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 | 258 ++++++++++++++++++++++----- 1 file changed, 214 insertions(+), 44 deletions(-)