linux-kernel - [PATCH v2 06/20] pinctrl: spear: Use scope based of_node

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Message-Id: <20240504-pinctrl-cleanup-v2-6-26c5f2dc1181@nxp.com>
Date: Sat, 04 May 2024 21:20:04 +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>, 
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 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>, 
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 Pengutronix Kernel Team <kernel@...gutronix.de>, 
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 Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>, 
 Sean Wang <sean.wang@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>, 
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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 06/20] pinctrl: spear: 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/spear/pinctrl-spear.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c
index b8caaa5a2d4e..a8c5fe973cd4 100644
--- a/drivers/pinctrl/spear/pinctrl-spear.c
+++ b/drivers/pinctrl/spear/pinctrl-spear.c
@@ -151,24 +151,19 @@ static int spear_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
 					unsigned *num_maps)
 {
 	struct spear_pmx *pmx = pinctrl_dev_get_drvdata(pctldev);
-	struct device_node *np;
 	struct property *prop;
 	const char *function, *group;
 	int ret, index = 0, count = 0;
 
 	/* calculate number of maps required */
-	for_each_child_of_node(np_config, np) {
+	for_each_child_of_node_scoped(np_config, np) {
 		ret = of_property_read_string(np, "st,function", &function);
-		if (ret < 0) {
-			of_node_put(np);
+		if (ret < 0)
 			return ret;
-		}
 
 		ret = of_property_count_strings(np, "st,pins");
-		if (ret < 0) {
-			of_node_put(np);
+		if (ret < 0)
 			return ret;
-		}
 
 		count += ret;
 	}
@@ -182,7 +177,7 @@ static int spear_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
 	if (!*map)
 		return -ENOMEM;
 
-	for_each_child_of_node(np_config, np) {
+	for_each_child_of_node_scoped(np_config, np) {
 		of_property_read_string(np, "st,function", &function);
 		of_property_for_each_string(np, "st,pins", prop, group) {
 			(*map)[index].type = PIN_MAP_TYPE_MUX_GROUP;

-- 
2.37.1