linux-kernel - [PATCH v14 18/34] cxl/port: Remove "enumerate dports" helpers

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Message-ID: <20260114182055.46029-19-terry.bowman@amd.com>
Date: Wed, 14 Jan 2026 12:20:39 -0600
From: Terry Bowman <terry.bowman@....com>
To: <dave@...olabs.net>, <jonathan.cameron@...wei.com>,
	<dave.jiang@...el.com>, <alison.schofield@...el.com>,
	<dan.j.williams@...el.com>, <bhelgaas@...gle.com>, <shiju.jose@...wei.com>,
	<ming.li@...omail.com>, <Smita.KoralahalliChannabasappa@....com>,
	<rrichter@....com>, <dan.carpenter@...aro.org>,
	<PradeepVineshReddy.Kodamati@....com>, <lukas@...ner.de>,
	<Benjamin.Cheatham@....com>, <sathyanarayanan.kuppuswamy@...ux.intel.com>,
	<linux-cxl@...r.kernel.org>, <vishal.l.verma@...el.com>, <alucerop@....com>,
	<ira.weiny@...el.com>
CC: <linux-kernel@...r.kernel.org>, <linux-pci@...r.kernel.org>,
	<terry.bowman@....com>
Subject: [PATCH v14 18/34] cxl/port: Remove "enumerate dports" helpers

From: Dan Williams <dan.j.williams@...el.com>

Now that cxl_switch_port_probe() no longer walks potential dports, because
they are enumerated dynamically on descendant endpoint arrival, remove the
dead code.

Signed-off-by: Dan Williams <dan.j.williams@...el.com>
Reviewed-by: Terry Bowman <terry.bowman@....com>

---

Changes in v13 -> v14:
- New patch
---
 drivers/cxl/core/pci.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
index b838c59d7a3c..0305a421504e 100644
--- a/drivers/cxl/core/pci.c
+++ b/drivers/cxl/core/pci.c
@@ -71,6 +71,14 @@ struct cxl_dport *__devm_cxl_add_dport_by_dev(struct cxl_port *port,
 }
 EXPORT_SYMBOL_NS_GPL(__devm_cxl_add_dport_by_dev, "CXL");
 
+struct cxl_walk_context {
+	struct pci_bus *bus;
+	struct cxl_port *port;
+	int type;
+	int error;
+	int count;
+};
+
 static int cxl_dvsec_mem_range_valid(struct cxl_dev_state *cxlds, int id)
 {
 	struct pci_dev *pdev = to_pci_dev(cxlds->dev);
@@ -820,14 +828,6 @@ int cxl_gpf_port_setup(struct cxl_dport *dport)
 	return 0;
 }
 
-struct cxl_walk_context {
-	struct pci_bus *bus;
-	struct cxl_port *port;
-	int type;
-	int error;
-	int count;
-};
-
 static int count_dports(struct pci_dev *pdev, void *data)
 {
 	struct cxl_walk_context *ctx = data;
-- 
2.34.1