fpga: region: Rename dev to parent for parent device

Rename variable "dev" to "parent" in cases where it represents the parent
device.
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Link: https://lore.kernel.org/r/20210614170909.232415-6-mdf@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/fpga/fpga-region.c

@@ -181,7 +181,7 @@ ATTRIBUTE_GROUPS(fpga_region);
 
 /**
  * fpga_region_create - alloc and init a struct fpga_region
- * @dev: device parent
+ * @parent: device parent
  * @mgr: manager that programs this region
  * @get_bridges: optional function to get bridges to a list
  *
@@ -192,7 +192,7 @@ ATTRIBUTE_GROUPS(fpga_region);
  * Return: struct fpga_region or NULL
  */
 struct fpga_region
-*fpga_region_create(struct device *dev,
+*fpga_region_create(struct device *parent,
 		    struct fpga_manager *mgr,
 		    int (*get_bridges)(struct fpga_region *))
 {
@@ -214,8 +214,8 @@ struct fpga_region
 
 	device_initialize(&region->dev);
 	region->dev.class = fpga_region_class;
-	region->dev.parent = dev;
-	region->dev.of_node = dev->of_node;
+	region->dev.parent = parent;
+	region->dev.of_node = parent->of_node;
 	region->dev.id = id;
 
 	ret = dev_set_name(&region->dev, "region%d", id);
@@ -253,7 +253,7 @@ static void devm_fpga_region_release(struct device *dev, void *res)
 
 /**
  * devm_fpga_region_create - create and initialize a managed FPGA region struct
- * @dev: device parent
+ * @parent: device parent
  * @mgr: manager that programs this region
  * @get_bridges: optional function to get bridges to a list
  *
@@ -268,7 +268,7 @@ static void devm_fpga_region_release(struct device *dev, void *res)
  * Return: struct fpga_region or NULL
  */
 struct fpga_region
-*devm_fpga_region_create(struct device *dev,
+*devm_fpga_region_create(struct device *parent,
 			 struct fpga_manager *mgr,
 			 int (*get_bridges)(struct fpga_region *))
 {
@@ -278,12 +278,12 @@ struct fpga_region
 	if (!ptr)
 		return NULL;
 
-	region = fpga_region_create(dev, mgr, get_bridges);
+	region = fpga_region_create(parent, mgr, get_bridges);
 	if (!region) {
 		devres_free(ptr);
 	} else {
 		*ptr = region;
-		devres_add(dev, ptr);
+		devres_add(parent, ptr);
 	}
 
 	return region;