linux-kernel - [PATCH 03/10] pmdomain: imx: gpc: Simplify with scoped for each OF child loop

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Message-Id: <20240823-cleanup-h-guard-pm-domain-v1-3-8320722eaf39@linaro.org>
Date: Fri, 23 Aug 2024 14:51:07 +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 03/10] pmdomain: imx: gpc: 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/gpc.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/pmdomain/imx/gpc.c b/drivers/pmdomain/imx/gpc.c
index 9517cce93d8a..80a4dcc77199 100644
--- a/drivers/pmdomain/imx/gpc.c
+++ b/drivers/pmdomain/imx/gpc.c
@@ -455,7 +455,6 @@ static int imx_gpc_probe(struct platform_device *pdev)
 	} else {
 		struct imx_pm_domain *domain;
 		struct platform_device *pd_pdev;
-		struct device_node *np;
 		struct clk *ipg_clk;
 		unsigned int ipg_rate_mhz;
 		int domain_index;
@@ -465,28 +464,24 @@ static int imx_gpc_probe(struct platform_device *pdev)
 			return PTR_ERR(ipg_clk);
 		ipg_rate_mhz = clk_get_rate(ipg_clk) / 1000000;
 
-		for_each_child_of_node(pgc_node, np) {
+		for_each_child_of_node_scoped(pgc_node, np) {
 			ret = of_property_read_u32(np, "reg", &domain_index);
-			if (ret) {
-				of_node_put(np);
+			if (ret)
 				return ret;
-			}
+
 			if (domain_index >= of_id_data->num_domains)
 				continue;
 
 			pd_pdev = platform_device_alloc("imx-pgc-power-domain",
 							domain_index);
-			if (!pd_pdev) {
-				of_node_put(np);
+			if (!pd_pdev)
 				return -ENOMEM;
-			}
 
 			ret = platform_device_add_data(pd_pdev,
 						       &imx_gpc_domains[domain_index],
 						       sizeof(imx_gpc_domains[domain_index]));
 			if (ret) {
 				platform_device_put(pd_pdev);
-				of_node_put(np);
 				return ret;
 			}
 			domain = pd_pdev->dev.platform_data;
@@ -500,7 +495,6 @@ static int imx_gpc_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