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Tue, 21 Mar 2023 21:10:30 -0700 Received: from xsjtanmays50.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2375.34 via Frontend Transport; Tue, 21 Mar 2023 23:10:29 -0500 From: Tanmay Shah To: , CC: , , Tanmay Shah , Tarak Reddy Subject: [PATCH v2 2/2] remoteproc: enhance rproc_put() for clusters Date: Tue, 21 Mar 2023 21:09:36 -0700 Message-ID: <20230322040933.924813-3-tanmay.shah@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230322040933.924813-1-tanmay.shah@amd.com> References: <20230322040933.924813-1-tanmay.shah@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0000B077:EE_|MW4PR12MB5643:EE_ X-MS-Office365-Filtering-Correlation-Id: 22419b43-55e5-4666-30ea-08db2a8b6065 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:(13230025)(4636009)(346002)(396003)(136003)(39860400002)(376002)(451199018)(46966006)(40470700004)(36840700001)(426003)(47076005)(336012)(6666004)(26005)(82310400005)(54906003)(478600001)(316002)(2616005)(186003)(86362001)(110136005)(1076003)(8676002)(70206006)(70586007)(36860700001)(41300700001)(5660300002)(40460700003)(8936002)(4326008)(40480700001)(82740400003)(2906002)(44832011)(356005)(36756003)(81166007)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Mar 2023 04:10:30.8341 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 22419b43-55e5-4666-30ea-08db2a8b6065 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: DS1PEPF0000B077.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB5643 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org This patch enhances rproc_put() to support remoteproc clusters with multiple child nodes as in rproc_get_by_phandle(). Signed-off-by: Tarak Reddy Signed-off-by: Tanmay Shah --- drivers/remoteproc/remoteproc_core.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index a3e7c8798381..e7e451012615 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -2560,6 +2560,19 @@ EXPORT_SYMBOL(rproc_free); void rproc_put(struct rproc *rproc) { module_put(rproc->dev.parent->driver->owner); + struct platform_device *cluster_pdev; + + if (rproc->dev.parent) { + if (rproc->dev.parent->driver) { + module_put(rproc->dev.parent->driver->owner); + } else { + cluster_pdev = of_find_device_by_node(rproc->dev.parent->of_node->parent); + if (cluster_pdev) { + module_put(cluster_pdev->dev.driver->owner); + put_device(&cluster_pdev->dev); + } + } + } put_device(&rproc->dev); } EXPORT_SYMBOL(rproc_put);