linux-kernel - [PATCH 04/10] pmdomain: imx: gpcv2: Simplify with scoped for each OF child loop

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Message-Id: <20240823-cleanup-h-guard-pm-domain-v1-4-8320722eaf39@linaro.org>
Date: Fri, 23 Aug 2024 14:51:08 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Ulf Hansson <ulf.hansson@...aro.org>, Heiko Stuebner <heiko@...ech.de>, 
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, 
 Magnus Damm <magnus.damm@...il.com>
Cc: linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-msm@...r.kernel.org, 
 linux-renesas-soc@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 04/10] pmdomain: imx: gpcv2: 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/pmdomain/imx/gpcv2.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/pmdomain/imx/gpcv2.c b/drivers/pmdomain/imx/gpcv2.c
index 856eaac0ec14..963d61c5af6d 100644
--- a/drivers/pmdomain/imx/gpcv2.c
+++ b/drivers/pmdomain/imx/gpcv2.c
@@ -1458,7 +1458,7 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 		.max_register   = SZ_4K,
 	};
 	struct device *dev = &pdev->dev;
-	struct device_node *pgc_np, *np;
+	struct device_node *pgc_np;
 	struct regmap *regmap;
 	void __iomem *base;
 	int ret;
@@ -1480,7 +1480,7 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	for_each_child_of_node(pgc_np, np) {
+	for_each_child_of_node_scoped(pgc_np, np) {
 		struct platform_device *pd_pdev;
 		struct imx_pgc_domain *domain;
 		u32 domain_index;
@@ -1491,7 +1491,6 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 		ret = of_property_read_u32(np, "reg", &domain_index);
 		if (ret) {
 			dev_err(dev, "Failed to read 'reg' property\n");
-			of_node_put(np);
 			return ret;
 		}
 
@@ -1506,7 +1505,6 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 						domain_index);
 		if (!pd_pdev) {
 			dev_err(dev, "Failed to allocate platform device\n");
-			of_node_put(np);
 			return -ENOMEM;
 		}
 
@@ -1515,7 +1513,6 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 					       sizeof(domain_data->domains[domain_index]));
 		if (ret) {
 			platform_device_put(pd_pdev);
-			of_node_put(np);
 			return ret;
 		}
 
@@ -1532,7 +1529,6 @@ static int imx_gpcv2_probe(struct platform_device *pdev)
 		ret = platform_device_add(pd_pdev);
 		if (ret) {
 			platform_device_put(pd_pdev);
-			of_node_put(np);
 			return ret;
 		}
 	}

-- 
2.43.0