linux-kernel - [PATCH 11/11] phy: ti: j721e-wiz: Simplify with scoped for each OF child loop

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Message-Id: <20240826-phy-of-node-scope-v1-11-5b4d82582644@linaro.org>
Date: Mon, 26 Aug 2024 12:07:27 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, Ray Jui <rjui@...adcom.com>, 
 Scott Branden <sbranden@...adcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
 Chunfeng Yun <chunfeng.yun@...iatek.com>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: linux-phy@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org, 
 linux-arm-msm@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 11/11] phy: ti: j721e-wiz: Simplify with scoped for each OF
 child loop

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

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/phy/ti/phy-j721e-wiz.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c
index d0f3ead3fc80..a6c0c5607ffd 100644
--- a/drivers/phy/ti/phy-j721e-wiz.c
+++ b/drivers/phy/ti/phy-j721e-wiz.c
@@ -1404,7 +1404,7 @@ MODULE_DEVICE_TABLE(of, wiz_id_table);
 
 static int wiz_get_lane_phy_types(struct device *dev, struct wiz *wiz)
 {
-	struct device_node *serdes, *subnode;
+	struct device_node *serdes;
 
 	serdes = of_get_child_by_name(dev->of_node, "serdes");
 	if (!serdes) {
@@ -1412,7 +1412,7 @@ static int wiz_get_lane_phy_types(struct device *dev, struct wiz *wiz)
 		return -EINVAL;
 	}
 
-	for_each_child_of_node(serdes, subnode) {
+	for_each_child_of_node_scoped(serdes, subnode) {
 		u32 reg, num_lanes = 1, phy_type = PHY_NONE;
 		int ret, i;
 
@@ -1422,7 +1422,6 @@ static int wiz_get_lane_phy_types(struct device *dev, struct wiz *wiz)
 
 		ret = of_property_read_u32(subnode, "reg", &reg);
 		if (ret) {
-			of_node_put(subnode);
 			dev_err(dev,
 				"%s: Reading \"reg\" from \"%s\" failed: %d\n",
 				__func__, subnode->name, ret);

-- 
2.43.0