Merge branch 'for-6.16/cxl-cleanups' into cxl-for-next

In preparation for code changes related to AMD Zen5 address translation
support, a number of small code refactor and cleanups are send ahead.

1 files changed, 8 insertions, 15 deletions

diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 726bd4a7de27..eb46c6764d20 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -602,17 +602,19 @@ struct cxl_port *to_cxl_port(const struct device *dev)
 }
 EXPORT_SYMBOL_NS_GPL(to_cxl_port, "CXL");
 
+struct cxl_port *parent_port_of(struct cxl_port *port)
+{
+	if (!port || !port->parent_dport)
+		return NULL;
+	return port->parent_dport->port;
+}
+
 static void unregister_port(void *_port)
 {
 	struct cxl_port *port = _port;
-	struct cxl_port *parent;
+	struct cxl_port *parent = parent_port_of(port);
 	struct device *lock_dev;
 
-	if (is_cxl_root(port))
-		parent = NULL;
-	else
-		parent = to_cxl_port(port->dev.parent);
-
 	/*
 	 * CXL root port's and the first level of ports are unregistered
 	 * under the platform firmware device lock, all other ports are
@@ -1035,15 +1037,6 @@ struct cxl_root *find_cxl_root(struct cxl_port *port)
 }
 EXPORT_SYMBOL_NS_GPL(find_cxl_root, "CXL");
 
-void put_cxl_root(struct cxl_root *cxl_root)
-{
-	if (!cxl_root)
-		return;
-
-	put_device(&cxl_root->port.dev);
-}
-EXPORT_SYMBOL_NS_GPL(put_cxl_root, "CXL");
-
 static struct cxl_dport *find_dport(struct cxl_port *port, int id)
 {
 	struct cxl_dport *dport;