[PATCH -next v2] usb: ohci-exynos: Simplify with scoped for each OF child loop

[Jinjie Ruan]

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

Signed-off-by: Jinjie Ruan <ruanjinjie at huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
v2:
- Update the commit subject.
- Spilit into 2 patches.
- Add Reviewed-by.
---
 drivers/usb/host/ohci-exynos.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index bfa2eba4e3a7..1379e03644b2 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -37,7 +37,6 @@ struct exynos_ohci_hcd {
 static int exynos_ohci_get_phy(struct device *dev,
 				struct exynos_ohci_hcd *exynos_ohci)
 {
-	struct device_node *child;
 	struct phy *phy;
 	int phy_number, num_phys;
 	int ret;
@@ -55,26 +54,22 @@ static int exynos_ohci_get_phy(struct device *dev,
 		return 0;
 
 	/* Get PHYs using legacy bindings */
-	for_each_available_child_of_node(dev->of_node, child) {
+	for_each_available_child_of_node_scoped(dev->of_node, child) {
 		ret = of_property_read_u32(child, "reg", &phy_number);
 		if (ret) {
 			dev_err(dev, "Failed to parse device tree\n");
-			of_node_put(child);
 			return ret;
 		}
 
 		if (phy_number >= PHY_NUMBER) {
 			dev_err(dev, "Invalid number of PHYs\n");
-			of_node_put(child);
 			return -EINVAL;
 		}
 
 		phy = devm_of_phy_optional_get(dev, child, NULL);
 		exynos_ohci->phy[phy_number] = phy;
-		if (IS_ERR(phy)) {
-			of_node_put(child);
+		if (IS_ERR(phy))
 			return PTR_ERR(phy);
-		}
 	}
 
 	exynos_ohci->legacy_phy = true;
-- 
2.34.1