memory: pl353-smc: simplify with scoped for each OF child loop

Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.

Suggested-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20240825135001.48963-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Author: krzk

drivers/memory/pl353-smc.c

@@ -74,7 +74,6 @@ static int pl353_smc_probe(struct amba_device *adev, const struct amba_id *id)
 	struct device_node *of_node = adev->dev.of_node;
 	const struct of_device_id *match = NULL;
 	struct pl353_smc_data *pl353_smc;
-	struct device_node *child;
 
 	pl353_smc = devm_kzalloc(&adev->dev, sizeof(*pl353_smc), GFP_KERNEL);
 	if (!pl353_smc)
@@ -93,22 +92,20 @@ static int pl353_smc_probe(struct amba_device *adev, const struct amba_id *id)
 	amba_set_drvdata(adev, pl353_smc);
 
 	/* Find compatible children. Only a single child is supported */
-	for_each_available_child_of_node(of_node, child) {
+	for_each_available_child_of_node_scoped(of_node, child) {
 		match = of_match_node(pl353_smc_supported_children, child);
 		if (!match) {
 			dev_warn(&adev->dev, "unsupported child node\n");
 			continue;
 		}
+		of_platform_device_create(child, NULL, &adev->dev);
 		break;
 	}
 	if (!match) {
 		dev_err(&adev->dev, "no matching children\n");
 		return -ENODEV;
 	}
 
-	of_platform_device_create(child, NULL, &adev->dev);
-	of_node_put(child);
-
 	return 0;
 }