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Message-Id: <20240504-pinctrl-cleanup-v2-5-26c5f2dc1181@nxp.com>
Date: Sat, 04 May 2024 21:20:03 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, Dvorkin Dmitry <dvorkin@...bo.com>, 
 Wells Lu <wellslutw@...il.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>, 
 Emil Renner Berthing <kernel@...il.dk>, 
 Jianlong Huang <jianlong.huang@...rfivetech.com>, 
 Hal Feng <hal.feng@...rfivetech.com>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, Viresh Kumar <vireshk@...nel.org>, 
 Shiraz Hashim <shiraz.linux.kernel@...il.com>, soc@...nel.org, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Alim Akhtar <alim.akhtar@...sung.com>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, 
 Patrice Chotard <patrice.chotard@...s.st.com>, 
 Heiko Stuebner <heiko@...ech.de>, Damien Le Moal <dlemoal@...nel.org>, 
 Ludovic Desroches <ludovic.desroches@...rochip.com>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Dong Aisheng <aisheng.dong@....com>, Fabio Estevam <festevam@...il.com>, 
 Shawn Guo <shawnguo@...nel.org>, Jacky Bai <ping.bai@....com>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Chester Lin <chester62515@...il.com>, Matthias Brugger <mbrugger@...e.com>, 
 Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>, 
 Sean Wang <sean.wang@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Andrew Jeffery <andrew@...econstruct.com.au>, Joel Stanley <joel@....id.au>, 
 Dan Carpenter <dan.carpenter@...aro.org>, Tony Lindgren <tony@...mide.com>, 
 Stephen Warren <swarren@...dotorg.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-tegra@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-stm32@...md-mailman.stormreply.com, linux-samsung-soc@...r.kernel.org, 
 linux-renesas-soc@...r.kernel.org, linux-rockchip@...ts.infradead.org, 
 linux-riscv@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 imx@...ts.linux.dev, linux-aspeed@...ts.ozlabs.org, 
 openbmc@...ts.ozlabs.org, Peng Fan <peng.fan@....com>
Subject: [PATCH v2 05/20] pinctrl: sprd: Use scope based of_node_put()
 cleanups

From: Peng Fan <peng.fan@....com>

Use scope based of_node_put() cleanup to simplify code.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/pinctrl/sprd/pinctrl-sprd.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/pinctrl/sprd/pinctrl-sprd.c b/drivers/pinctrl/sprd/pinctrl-sprd.c
index d0b6d3e655a2..c4a1d99dfed0 100644
--- a/drivers/pinctrl/sprd/pinctrl-sprd.c
+++ b/drivers/pinctrl/sprd/pinctrl-sprd.c
@@ -934,7 +934,6 @@ static int sprd_pinctrl_parse_dt(struct sprd_pinctrl *sprd_pctl)
 {
 	struct sprd_pinctrl_soc_info *info = sprd_pctl->info;
 	struct device_node *np = sprd_pctl->dev->of_node;
-	struct device_node *child, *sub_child;
 	struct sprd_pin_group *grp;
 	const char **temp;
 	int ret;
@@ -962,25 +961,20 @@ static int sprd_pinctrl_parse_dt(struct sprd_pinctrl *sprd_pctl)
 	temp = info->grp_names;
 	grp = info->groups;
 
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		ret = sprd_pinctrl_parse_groups(child, sprd_pctl, grp);
-		if (ret) {
-			of_node_put(child);
+		if (ret)
 			return ret;
-		}
 
 		*temp++ = grp->name;
 		grp++;
 
 		if (of_get_child_count(child) > 0) {
-			for_each_child_of_node(child, sub_child) {
+			for_each_child_of_node_scoped(child, sub_child) {
 				ret = sprd_pinctrl_parse_groups(sub_child,
 								sprd_pctl, grp);
-				if (ret) {
-					of_node_put(sub_child);
-					of_node_put(child);
+				if (ret)
 					return ret;
-				}
 
 				*temp++ = grp->name;
 				grp++;

-- 
2.37.1


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