linux-kernel - [PATCH v4 11/15] cxl/pci: Change find_cxl

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Message-ID: <20241211234002.3728674-12-terry.bowman@amd.com>
Date: Wed, 11 Dec 2024 17:39:58 -0600
From: Terry Bowman <terry.bowman@....com>
To: <linux-cxl@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-pci@...r.kernel.org>, <nifan.cxl@...il.com>, <ming4.li@...el.com>,
	<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>,
	<ira.weiny@...el.com>, <oohall@...il.com>, <Benjamin.Cheatham@....com>,
	<rrichter@....com>, <nathan.fontenot@....com>, <terry.bowman@....com>,
	<Smita.KoralahalliChannabasappa@....com>, <lukas@...ner.de>,
	<PradeepVineshReddy.Kodamati@....com>
Subject: [PATCH v4 11/15] cxl/pci: Change find_cxl_port() to 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>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.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 0c62b4069ba0..d81e5ee25f58 100644
--- a/drivers/cxl/core/core.h
+++ b/drivers/cxl/core/core.h
@@ -110,4 +110,7 @@ bool cxl_need_node_perf_attrs_update(int nid);
 int cxl_port_get_switch_dport_bandwidth(struct cxl_port *port,
 					struct access_coordinate *c);
 
+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 af92c67bc954..1c4daf9fd2f3 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -1342,8 +1342,8 @@ 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