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client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by BL02EPF0001A102.mail.protection.outlook.com (10.167.241.134) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.292.8 via Frontend Transport; Mon, 3 Aug 2026 22:19:12 +0000 Received: from ethanolx7ea3host.amd.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.41; Mon, 3 Aug 2026 17:19:11 -0500 From: Terry Bowman To: Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Davidlohr Bueso , "Bjorn Helgaas" , "Rafael J . Wysocki" , Jonathan Corbet , CC: Tony Luck , Borislav Petkov , "Hanjun Guo" , Mauro Carvalho Chehab , "Shuai Xue" , Len Brown , Ira Weiny , Li Ming , Shuah Khan , Ben Cheatham , Richard Cheng , Robert Richter , , , , Subject: [PATCH v19 05/14] cxl: Rename find_cxl_port() to find_cxl_port_by_dport() Date: Mon, 3 Aug 2026 17:18:01 -0500 Message-ID: <20260803221810.3685703-6-terry.bowman@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260803221810.3685703-1-terry.bowman@amd.com> References: <20260803221810.3685703-1-terry.bowman@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-ClientProxiedBy: satlexmb07.amd.com (10.181.42.216) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0001A102:EE_|MN2PR12MB4205:EE_ X-MS-Office365-Filtering-Correlation-Id: 725cbd8a-44e8-4d71-6055-08def1ad3f6b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700016|23010399003|376014|1800799024|7416014|56012099006|10067099003|11063799006|3023799007|6133799003|22082099003|18002099003; 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:NLI;SFV:NSPM;H:satlexmb07.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700016)(23010399003)(376014)(1800799024)(7416014)(56012099006)(10067099003)(11063799006)(3023799007)(6133799003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: Dk/+xrpZGq59SuH1GDnaxKdGLYq2DlqGEqIesBtgHSG4LM4CsR6/NoXAzyJ1ldtJdfkNegJXqo6EJ5fdQrgLke0SA9iej6djV6TT4k3CV9gm4Hx2KdJRDj8x7WmXIo0bNmzPIU08zros5FObEFM89dzrkyXbxxhyMI90yTyiJS4LffO5Hx+uS9BUhKXoVbXMvg9pBDV0d+gw9QnMWMFlPj9GgnfzLuNSSROpk1sjooq1C6WmwWPvEqil1ujCBgDtnJw7z03J7ZXjtNHtQWsyuz/gfuHfX/NwIb0UmgOEwX5PlQZf6ujJAA6sSNs4xMRHd1Ch6HNyAG0yfe693Jj3qvBpfU1hGd8yFCK8OEnwrKKCW5ktDnBXefET1HsaXqMJyOUaLDc8Z7K+xBHIY3ttBPoA2npf3El1zwAW09De+JJY0s9XUSPSfDG9XxKQ2w3o X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Aug 2026 22:19:12.8386 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 725cbd8a-44e8-4d71-6055-08def1ad3f6b 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A102.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4205 From: Dan Williams find_cxl_port() and find_cxl_port_by_uport() are internal port lookup functions that search the CXL bus by dport and uport respectively, but their names do not make the lookup method clear. Rename find_cxl_port() to find_cxl_port_by_dport() to make the lookup method explicit and consistent with find_cxl_port_by_uport(). Both functions remain static to port.c; the upcoming patch that adds the first cross-file caller will widen their scope. Make the same naming change to static helper __find_cxl_port_by_dport(). Co-developed-by: Terry Bowman Signed-off-by: Terry Bowman Signed-off-by: Dan Williams Reviewed-by: Dave Jiang Reviewed-by: Jonathan Cameron --- Changes in v18 -> v19: - Update commit message imperative to include __find_cxl_port_by_dport() rename. Changes in v17 -> v18: - New commit --- drivers/cxl/core/port.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index f90f899c31d07..cadb51f70f854 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -1379,7 +1379,7 @@ static int match_port_by_dport(struct device *dev, const void *data) return dport != NULL; } -static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx) +static struct cxl_port *__find_cxl_port_by_dport(struct cxl_find_port_ctx *ctx) { struct device *dev; @@ -1392,8 +1392,16 @@ static struct cxl_port *__find_cxl_port(struct cxl_find_port_ctx *ctx) return NULL; } -static struct cxl_port *find_cxl_port(struct device *dport_dev, - struct cxl_dport **dport) +/** + * find_cxl_port_by_dport - find a cxl_port by one of its targets + * @dport_dev: device representing the dport target + * @dport: optional output of the 'struct cxl_dport' companion of the @dport_dev + * + * Return a 'struct cxl_port' with an elevated reference if found. Use + * __free(put_cxl_port) to release. + */ +static struct cxl_port *find_cxl_port_by_dport(struct device *dport_dev, + struct cxl_dport **dport) { struct cxl_find_port_ctx ctx = { .dport_dev = dport_dev, @@ -1401,7 +1409,7 @@ static struct cxl_port *find_cxl_port(struct device *dport_dev, }; struct cxl_port *port; - port = __find_cxl_port(&ctx); + port = __find_cxl_port_by_dport(&ctx); return port; } @@ -1895,14 +1903,14 @@ EXPORT_SYMBOL_NS_GPL(devm_cxl_enumerate_ports, "CXL"); struct cxl_port *cxl_pci_find_port(struct pci_dev *pdev, struct cxl_dport **dport) { - return find_cxl_port(pdev->dev.parent, dport); + return find_cxl_port_by_dport(pdev->dev.parent, dport); } EXPORT_SYMBOL_NS_GPL(cxl_pci_find_port, "CXL"); struct cxl_port *cxl_mem_find_port(struct cxl_memdev *cxlmd, struct cxl_dport **dport) { - return find_cxl_port(grandparent(&cxlmd->dev), dport); + return find_cxl_port_by_dport(grandparent(&cxlmd->dev), dport); } EXPORT_SYMBOL_NS_GPL(cxl_mem_find_port, "CXL"); -- 2.34.1