linux-kernel - [PATCH -next 5/8] soc/tegra: pmc: Simplify with scoped for each OF child loop

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Message-ID: <20240827114607.4019972-6-ruanjinjie@huawei.com>
Date: Tue, 27 Aug 2024 19:46:04 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <andrew@...n.ch>, <sebastian.hesselbarth@...il.com>,
	<gregory.clement@...tlin.com>, <herve.codina@...tlin.com>,
	<qiang.zhao@....com>, <christophe.leroy@...roup.eu>,
	<thierry.reding@...il.com>, <jonathanh@...dia.com>, <nm@...com>,
	<ssantosh@...nel.org>, <petlozup@...dia.com>, <pshete@...dia.com>,
	<ruanjinjie@...wei.com>, <christophe.jaillet@...adoo.fr>,
	<ulf.hansson@...aro.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>,
	<linux-tegra@...r.kernel.org>, <krzk@...nel.org>, <jic23@...nel.org>
Subject: [PATCH -next 5/8] soc/tegra: pmc: 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: Jinjie Ruan <ruanjinjie@...wei.com>
---
 drivers/soc/tegra/pmc.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 6c37d6eb8b49..a08c377933c5 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -1438,7 +1438,7 @@ static int tegra_powergate_init(struct tegra_pmc *pmc,
 				struct device_node *parent)
 {
 	struct of_phandle_args child_args, parent_args;
-	struct device_node *np, *child;
+	struct device_node *np;
 	int err = 0;
 
 	/*
@@ -1457,12 +1457,10 @@ static int tegra_powergate_init(struct tegra_pmc *pmc,
 	if (!np)
 		return 0;
 
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		err = tegra_powergate_add(pmc, child);
-		if (err < 0) {
-			of_node_put(child);
+		if (err < 0)
 			break;
-		}
 
 		if (of_parse_phandle_with_args(child, "power-domains",
 					       "#power-domain-cells",
@@ -1474,10 +1472,8 @@ static int tegra_powergate_init(struct tegra_pmc *pmc,
 
 		err = of_genpd_add_subdomain(&parent_args, &child_args);
 		of_node_put(parent_args.np);
-		if (err) {
-			of_node_put(child);
+		if (err)
 			break;
-		}
 	}
 
 	of_node_put(np);
-- 
2.34.1