linux-kernel - [PATCH] i2c: simplify with scoped for each OF child loop

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Message-ID: <20240816151340.154939-1-krzysztof.kozlowski@linaro.org>
Date: Fri, 16 Aug 2024 17:13:40 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>,
	linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] i2c: 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/i2c/i2c-core-slave.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c
index e3765e12f93b..faefe1dfa8e5 100644
--- a/drivers/i2c/i2c-core-slave.c
+++ b/drivers/i2c/i2c-core-slave.c
@@ -109,15 +109,12 @@ EXPORT_SYMBOL_GPL(i2c_slave_event);
 bool i2c_detect_slave_mode(struct device *dev)
 {
 	if (IS_BUILTIN(CONFIG_OF) && dev->of_node) {
-		struct device_node *child;
 		u32 reg;
 
-		for_each_child_of_node(dev->of_node, child) {
+		for_each_child_of_node_scoped(dev->of_node, child) {
 			of_property_read_u32(child, "reg", &reg);
-			if (reg & I2C_OWN_SLAVE_ADDRESS) {
-				of_node_put(child);
+			if (reg & I2C_OWN_SLAVE_ADDRESS)
 				return true;
-			}
 		}
 	} else if (IS_BUILTIN(CONFIG_ACPI) && ACPI_HANDLE(dev)) {
 		dev_dbg(dev, "ACPI slave is not supported yet\n");
-- 
2.43.0