cxl/port: Rename @comp_map to @reg_map in struct cxl_register_map

Name the field @reg_map, because @reg_map->host will be used for
mapping operations beyond component registers (i.e. AER registers).
This is valid for all occurrences of @comp_map. Change them all.

Signed-off-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20231018171713.1883517-5-rrichter@amd.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

drivers/cxl/core/port.c

@@ -712,7 +712,7 @@ static int cxl_port_setup_regs(struct cxl_port *port,
 {
 	if (dev_is_platform(port->uport_dev))
 		return 0;
-	return cxl_setup_comp_regs(&port->dev, &port->comp_map,
+	return cxl_setup_comp_regs(&port->dev, &port->reg_map,
 				   component_reg_phys);
 }
 
@@ -729,9 +729,9 @@ static int cxl_dport_setup_regs(struct device *host, struct cxl_dport *dport,
 	 * register probing, and fixup @host after the fact, since @host may be
 	 * NULL.
 	 */
-	rc = cxl_setup_comp_regs(dport->dport_dev, &dport->comp_map,
+	rc = cxl_setup_comp_regs(dport->dport_dev, &dport->reg_map,
 				 component_reg_phys);
-	dport->comp_map.host = host;
+	dport->reg_map.host = host;
 	return rc;
 }
 

drivers/cxl/cxl.h

@@ -572,7 +572,7 @@ struct cxl_dax_region {
  * @regions: cxl_region_ref instances, regions mapped by this port
  * @parent_dport: dport that points to this port in the parent
  * @decoder_ida: allocator for decoder ids
- * @comp_map: component register capability mappings
+ * @reg_map: component and ras register mapping parameters
  * @nr_dports: number of entries in @dports
  * @hdm_end: track last allocated HDM decoder instance for allocation ordering
  * @commit_end: cursor to track highest committed decoder for commit ordering
@@ -592,7 +592,7 @@ struct cxl_port {
 	struct xarray regions;
 	struct cxl_dport *parent_dport;
 	struct ida decoder_ida;
-	struct cxl_register_map comp_map;
+	struct cxl_register_map reg_map;
 	int nr_dports;
 	int hdm_end;
 	int commit_end;
@@ -620,15 +620,15 @@ struct cxl_rcrb_info {
 /**
  * struct cxl_dport - CXL downstream port
  * @dport_dev: PCI bridge or firmware device representing the downstream link
- * @comp_map: component register capability mappings
+ * @reg_map: component and ras register mapping parameters
  * @port_id: unique hardware identifier for dport in decoder target list
  * @rcrb: Data about the Root Complex Register Block layout
  * @rch: Indicate whether this dport was enumerated in RCH or VH mode
  * @port: reference to cxl_port that contains this downstream port
  */
 struct cxl_dport {
 	struct device *dport_dev;
-	struct cxl_register_map comp_map;
+	struct cxl_register_map reg_map;
 	int port_id;
 	struct cxl_rcrb_info rcrb;
 	bool rch;