linux-kernel - [PATCH 08/15] cxl/pci: Change find_cxl

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Message-ID: <20241008221657.1130181-9-terry.bowman@amd.com>
Date: Tue, 8 Oct 2024 17:16:50 -0500
From: Terry Bowman <terry.bowman@....com>
To: <ming4.li@...el.com>, <linux-cxl@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-pci@...r.kernel.org>,
	<dave@...olabs.net>, <jonathan.cameron@...wei.com>, <dave.jiang@...el.com>,
	<alison.schofield@...el.com>, <vishal.l.verma@...el.com>,
	<dan.j.williams@...el.com>, <bhelgaas@...gle.com>, <mahesh@...ux.ibm.com>,
	<oohall@...il.com>, <Benjamin.Cheatham@....com>, <rrichter@....com>,
	<nathan.fontenot@....com>, <smita.koralahallichannabasappa@....com>,
	<terry.bowman@....com>
Subject: [PATCH 08/15] cxl/pci: Change find_cxl_ports() to be non-static

CXL PCIe port protocol error support will be added in the future. This
requires searching for a CXL PCIe port device in the CXL topology as
provided by find_cxl_port(). But, find_cxl_port() is defined static
and as a result is not callable outside of this source file.

Update the find_cxl_port() declaration to be non-static.

Signed-off-by: Terry Bowman <terry.bowman@....com>
---
 drivers/cxl/core/core.h | 3 +++
 drivers/cxl/core/port.c | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
index 72a506c9dbd0..14a8b4d14af6 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -108,4 +108,7 @@ int cxl_update_hmat_access_coordinates(int nid, struct cxl_region *cxlr,
 				       enum access_coordinate_class access);
 bool cxl_need_node_perf_attrs_update(int nid);
 
+struct cxl_port *find_cxl_port(struct device *dport_dev,
+			       struct cxl_dport **dport);
+
 #endif /* __CXL_CORE_H__ */
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 1d5007e3795a..089a1f4535c1 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -1336,8 +1336,8 @@ 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)
+struct cxl_port *find_cxl_port(struct device *dport_dev,
+			       struct cxl_dport **dport)
 {
 	struct cxl_find_port_ctx ctx = {
 		.dport_dev = dport_dev,
-- 
2.34.1