linux-kernel - [PATCH v6 05/27] cxl: Rename member @dport of struct cxl_dport to @dport

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Message-ID: <20230622035126.4130151-6-terry.bowman@amd.com>
Date:   Wed, 21 Jun 2023 22:51:04 -0500
From:   Terry Bowman <terry.bowman@....com>
To:     <alison.schofield@...el.com>, <vishal.l.verma@...el.com>,
        <ira.weiny@...el.com>, <bwidawsk@...nel.org>,
        <dan.j.williams@...el.com>, <dave.jiang@...el.com>,
        <Jonathan.Cameron@...wei.com>, <linux-cxl@...r.kernel.org>
CC:     <terry.bowman@....com>, <rrichter@....com>,
        <linux-kernel@...r.kernel.org>, <bhelgaas@...gle.com>
Subject: [PATCH v6 05/27] cxl: Rename member @dport of struct cxl_dport to @dport_dev

From: Robert Richter <rrichter@....com>

Reading code like dport->dport does not immediately suggest that this
points to the corresponding device structure of the dport. Rename
struct member @dport to @dport_dev.

While at it, also rename @new argument of add_dport() to @dport. This
better describes the variable as a dport (e.g. new->dport becomes to
dport->dport_dev).

Co-developed-by: Terry Bowman <terry.bowman@....com>
Signed-off-by: Terry Bowman <terry.bowman@....com>
Signed-off-by: Robert Richter <rrichter@....com>
---
 drivers/cxl/core/port.c   | 20 ++++++++++----------
 drivers/cxl/core/region.c |  4 ++--
 drivers/cxl/cxl.h         |  4 ++--
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
index 76888c75dae4..7d3079f5b7b5 100644
--- a/drivers/cxl/core/port.c
+++ b/drivers/cxl/core/port.c
@@ -605,7 +605,7 @@ static int devm_cxl_link_parent_dport(struct device *host,
 	if (!parent_dport)
 		return 0;
 
-	rc = sysfs_create_link(&port->dev.kobj, &parent_dport->dport->kobj,
+	rc = sysfs_create_link(&port->dev.kobj, &parent_dport->dport_dev->kobj,
 			       "parent_dport");
 	if (rc)
 		return rc;
@@ -658,7 +658,7 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
 		if (iter->host_bridge)
 			port->host_bridge = iter->host_bridge;
 		else if (parent_dport->rch)
-			port->host_bridge = parent_dport->dport;
+			port->host_bridge = parent_dport->dport_dev;
 		else
 			port->host_bridge = iter->uport;
 		dev_dbg(uport, "host-bridge: %s\n", dev_name(port->host_bridge));
@@ -847,22 +847,22 @@ static struct cxl_dport *find_dport(struct cxl_port *port, int id)
 	return NULL;
 }
 
-static int add_dport(struct cxl_port *port, struct cxl_dport *new)
+static int add_dport(struct cxl_port *port, struct cxl_dport *dport)
 {
 	struct cxl_dport *dup;
 	int rc;
 
 	device_lock_assert(&port->dev);
-	dup = find_dport(port, new->port_id);
+	dup = find_dport(port, dport->port_id);
 	if (dup) {
 		dev_err(&port->dev,
 			"unable to add dport%d-%s non-unique port id (%s)\n",
-			new->port_id, dev_name(new->dport),
-			dev_name(dup->dport));
+			dport->port_id, dev_name(dport->dport_dev),
+			dev_name(dup->dport_dev));
 		return -EBUSY;
 	}
 
-	rc = xa_insert(&port->dports, (unsigned long)new->dport, new,
+	rc = xa_insert(&port->dports, (unsigned long)dport->dport_dev, dport,
 		       GFP_KERNEL);
 	if (rc)
 		return rc;
@@ -895,8 +895,8 @@ static void cxl_dport_remove(void *data)
 	struct cxl_dport *dport = data;
 	struct cxl_port *port = dport->port;
 
-	xa_erase(&port->dports, (unsigned long) dport->dport);
-	put_device(dport->dport);
+	xa_erase(&port->dports, (unsigned long) dport->dport_dev);
+	put_device(dport->dport_dev);
 }
 
 static void cxl_dport_unlink(void *data)
@@ -954,7 +954,7 @@ __devm_cxl_add_dport(struct cxl_port *port, struct device *dport_dev,
 		dev_dbg(dport_dev, "Component Registers found for dport: %pa\n",
 			&component_reg_phys);
 
-	dport->dport = dport_dev;
+	dport->dport_dev = dport_dev;
 	dport->port_id = port_id;
 	dport->component_reg_phys = component_reg_phys;
 	dport->port = port;
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index f822de44bee0..13cda989d944 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -1162,7 +1162,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
 			dev_dbg(&cxlr->dev, "%s:%s: %s expected %s at %d\n",
 				dev_name(port->uport), dev_name(&port->dev),
 				dev_name(&cxlsd->cxld.dev),
-				dev_name(ep->dport->dport),
+				dev_name(ep->dport->dport_dev),
 				cxl_rr->nr_targets_set);
 			return -ENXIO;
 		}
@@ -1173,7 +1173,7 @@ static int cxl_port_setup_targets(struct cxl_port *port,
 	cxl_rr->nr_targets_set += inc;
 	dev_dbg(&cxlr->dev, "%s:%s target[%d] = %s for %s:%s @ %d\n",
 		dev_name(port->uport), dev_name(&port->dev),
-		cxl_rr->nr_targets_set - 1, dev_name(ep->dport->dport),
+		cxl_rr->nr_targets_set - 1, dev_name(ep->dport->dport_dev),
 		dev_name(&cxlmd->dev), dev_name(&cxled->cxld.dev), pos);
 
 	return 0;
diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 7c8674079f1a..7232c2a0e27c 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -589,7 +589,7 @@ struct cxl_rcrb_info {
 
 /**
  * struct cxl_dport - CXL downstream port
- * @dport: PCI bridge or firmware device representing the downstream link
+ * @dport_dev: PCI bridge or firmware device representing the downstream link
  * @port_id: unique hardware identifier for dport in decoder target list
  * @component_reg_phys: downstream port component registers
  * @rcrb: Data about the Root Complex Register Block layout
@@ -597,7 +597,7 @@ struct cxl_rcrb_info {
  * @port: reference to cxl_port that contains this downstream port
  */
 struct cxl_dport {
-	struct device *dport;
+	struct device *dport_dev;
 	int port_id;
 	resource_size_t component_reg_phys;
 	struct cxl_rcrb_info rcrb;
-- 
2.34.1