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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 DM2PEPF00003FC3.mail.protection.outlook.com (10.167.23.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9891.9 via Frontend Transport; Tue, 5 May 2026 17:31:33 +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 15.2.2562.17; Tue, 5 May 2026 12:31:32 -0500 From: Terry Bowman To: , , , , , , , , , , , , , , , , , , , , , CC: , , , , Subject: [PATCH v17 04/11] cxl: Rename find_cxl_port() to find_cxl_port_by_dport() Date: Tue, 5 May 2026 12:30:22 -0500 Message-ID: <20260505173029.2718246-5-terry.bowman@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260505173029.2718246-1-terry.bowman@amd.com> References: <20260505173029.2718246-1-terry.bowman@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM2PEPF00003FC3:EE_|MW4PR12MB7286:EE_ X-MS-Office365-Filtering-Correlation-Id: 31d28631-c17b-4070-3444-08deaacc26f7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|82310400026|36860700016|1800799024|921020|56012099003|18002099003|22082099003; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: RiwIoR/k/gY67yovhlWfx9qb49oNCgNwrqbbitpNh9drqHQKHr1jg3y9/1Aw79hufr7XwMEgMgzuG8oRmU7AWHXdbyS1e7YAjsy80kbAdo9b6bzWu3Y6dDHVmnsWZC4kD+NzJ540BdCzBzpXVAu5cNvmKPDzzZMhbLhkjQw5IRSocntF2Xv0bhDKkNlPA9MCu0aigz9Z5BZl2typFVkklduJjT0UyONf54TKBhPipaKAlWf2M7NgXfryG+wMeUJWFbx0BYfsEgInEYheQWeIuRrpsJf/yfLCUywG972TIqKM1Hf8wHgQE/v20UpLLrBTLZZ37sepIPS2LVrOV7bpbWbl4LdifNl0wkJJrYoIAXQ2yQzA3U7m3m02moyqZDSEPMbmZh8cLWcb8KHZC2taG9eMs95o0j80AONBTr7YgqfzWR3ar/Y972tR0O2IKGbN X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2026 17:31:33.6407 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 31d28631-c17b-4070-3444-08deaacc26f7 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: DM2PEPF00003FC3.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB7286 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. Co-developed-by: Terry Bowman Signed-off-by: Terry Bowman Signed-off-by: Dan Williams --- Changes in v16->v17: - 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 c5aacd7054f1..b35a9016fc81 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -1377,7 +1377,7 @@ 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; @@ -1390,8 +1390,16 @@ 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, @@ -1399,7 +1407,7 @@ 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; } @@ -1893,14 +1901,14 @@ 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