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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: Linus Walleij <linus.walleij@linaro.org>,
	 Thierry Reding <thierry.reding@gmail.com>,
	 Jonathan Hunter <jonathanh@nvidia.com>,
	Dvorkin Dmitry <dvorkin@tibbo.com>,
	 Wells Lu <wellslutw@gmail.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	 Alexandre Torgue <alexandre.torgue@foss.st.com>,
	 Emil Renner Berthing <kernel@esmil.dk>,
	 Jianlong Huang <jianlong.huang@starfivetech.com>,
	 Hal Feng <hal.feng@starfivetech.com>,
	Orson Zhai <orsonzhai@gmail.com>,
	 Baolin Wang <baolin.wang@linux.alibaba.com>,
	 Chunyan Zhang <zhang.lyra@gmail.com>,
	Viresh Kumar <vireshk@kernel.org>,
	 Shiraz Hashim <shiraz.linux.kernel@gmail.com>,
	soc@kernel.org,  Krzysztof Kozlowski <krzk@kernel.org>,
	 Sylwester Nawrocki <s.nawrocki@samsung.com>,
	 Alim Akhtar <alim.akhtar@samsung.com>,
	 Geert Uytterhoeven <geert+renesas@glider.be>,
	 Patrice Chotard <patrice.chotard@foss.st.com>,
	 Heiko Stuebner <heiko@sntech.de>,
	Damien Le Moal <dlemoal@kernel.org>,
	 Ludovic Desroches <ludovic.desroches@microchip.com>,
	 Nicolas Ferre <nicolas.ferre@microchip.com>,
	 Alexandre Belloni <alexandre.belloni@bootlin.com>,
	 Claudiu Beznea <claudiu.beznea@tuxon.dev>,
	 Dong Aisheng <aisheng.dong@nxp.com>,
	Fabio Estevam <festevam@gmail.com>,
	 Shawn Guo <shawnguo@kernel.org>, Jacky Bai <ping.bai@nxp.com>,
	 Pengutronix Kernel Team <kernel@pengutronix.de>,
	 Chester Lin <chester62515@gmail.com>,
	Matthias Brugger <mbrugger@suse.com>,
	 Ghennadi Procopciuc <ghennadi.procopciuc@oss.nxp.com>,
	 Sean Wang <sean.wang@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	 AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	 Andrew Jeffery <andrew@codeconstruct.com.au>,
	Joel Stanley <joel@jms.id.au>,
	 Dan Carpenter <dan.carpenter@linaro.org>,
	Tony Lindgren <tony@atomide.com>,
	 Stephen Warren <swarren@wwwdotorg.org>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	 linux-tegra@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	 linux-stm32@st-md-mailman.stormreply.com,
	linux-samsung-soc@vger.kernel.org,
	 linux-renesas-soc@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	 linux-riscv@lists.infradead.org,
	linux-mediatek@lists.infradead.org,  imx@lists.linux.dev,
	linux-aspeed@lists.ozlabs.org,  openbmc@lists.ozlabs.org,
	Peng Fan <peng.fan@nxp.com>
Subject: [PATCH v2 15/20] pinctrl: freescale: Use scope based of_node_put() cleanups
Date: Sat, 04 May 2024 21:20:13 +0800	[thread overview]
Message-ID: <20240504-pinctrl-cleanup-v2-15-26c5f2dc1181@nxp.com> (raw)
In-Reply-To: <20240504-pinctrl-cleanup-v2-0-26c5f2dc1181@nxp.com>

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

Use scope based of_node_put() cleanup to simplify code.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/pinctrl/freescale/pinctrl-imx.c       | 25 +++++++------------------
 drivers/pinctrl/freescale/pinctrl-imx1-core.c | 16 +++++-----------
 drivers/pinctrl/freescale/pinctrl-mxs.c       | 14 ++++----------
 3 files changed, 16 insertions(+), 39 deletions(-)

diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index 2d3d80921c0d..2b7448e3cd65 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -580,7 +580,6 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
 				       u32 index)
 {
 	struct pinctrl_dev *pctl = ipctl->pctl;
-	struct device_node *child;
 	struct function_desc *func;
 	struct group_desc *grp;
 	const char **group_names;
@@ -605,17 +604,15 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
 	if (!group_names)
 		return -ENOMEM;
 	i = 0;
-	for_each_child_of_node(np, child)
+	for_each_child_of_node_scoped(np, child)
 		group_names[i++] = child->name;
 	func->group_names = group_names;
 
 	i = 0;
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		grp = devm_kzalloc(ipctl->dev, sizeof(*grp), GFP_KERNEL);
-		if (!grp) {
-			of_node_put(child);
+		if (!grp)
 			return -ENOMEM;
-		}
 
 		mutex_lock(&ipctl->mutex);
 		radix_tree_insert(&pctl->pin_group_tree,
@@ -635,21 +632,13 @@ static int imx_pinctrl_parse_functions(struct device_node *np,
  */
 static bool imx_pinctrl_dt_is_flat_functions(struct device_node *np)
 {
-	struct device_node *function_np;
-	struct device_node *pinctrl_np;
-
-	for_each_child_of_node(np, function_np) {
-		if (of_property_read_bool(function_np, "fsl,pins")) {
-			of_node_put(function_np);
+	for_each_child_of_node_scoped(np, function_np) {
+		if (of_property_read_bool(function_np, "fsl,pins"))
 			return true;
-		}
 
-		for_each_child_of_node(function_np, pinctrl_np) {
-			if (of_property_read_bool(pinctrl_np, "fsl,pins")) {
-				of_node_put(pinctrl_np);
-				of_node_put(function_np);
+		for_each_child_of_node_scoped(function_np, pinctrl_np) {
+			if (of_property_read_bool(pinctrl_np, "fsl,pins"))
 				return false;
-			}
 		}
 	}
 
diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c
index 90c696046b38..af1ccfc90bff 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c
@@ -508,7 +508,6 @@ static int imx1_pinctrl_parse_functions(struct device_node *np,
 				       struct imx1_pinctrl_soc_info *info,
 				       u32 index)
 {
-	struct device_node *child;
 	struct imx1_pmx_func *func;
 	struct imx1_pin_group *grp;
 	int ret;
@@ -531,14 +530,12 @@ static int imx1_pinctrl_parse_functions(struct device_node *np,
 	if (!func->groups)
 		return -ENOMEM;
 
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		func->groups[i] = child->name;
 		grp = &info->groups[grp_index++];
 		ret = imx1_pinctrl_parse_groups(child, grp, info, i++);
-		if (ret == -ENOMEM) {
-			of_node_put(child);
+		if (ret == -ENOMEM)
 			return ret;
-		}
 	}
 
 	return 0;
@@ -548,7 +545,6 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev,
 		struct imx1_pinctrl *pctl, struct imx1_pinctrl_soc_info *info)
 {
 	struct device_node *np = pdev->dev.of_node;
-	struct device_node *child;
 	int ret;
 	u32 nfuncs = 0;
 	u32 ngroups = 0;
@@ -557,7 +553,7 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev,
 	if (!np)
 		return -ENODEV;
 
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		++nfuncs;
 		ngroups += of_get_child_count(child);
 	}
@@ -579,12 +575,10 @@ static int imx1_pinctrl_parse_dt(struct platform_device *pdev,
 	if (!info->functions || !info->groups)
 		return -ENOMEM;
 
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		ret = imx1_pinctrl_parse_functions(child, info, ifunc++);
-		if (ret == -ENOMEM) {
-			of_node_put(child);
+		if (ret == -ENOMEM)
 			return -ENOMEM;
-		}
 	}
 
 	return 0;
diff --git a/drivers/pinctrl/freescale/pinctrl-mxs.c b/drivers/pinctrl/freescale/pinctrl-mxs.c
index e77311f26262..aee70fa55bec 100644
--- a/drivers/pinctrl/freescale/pinctrl-mxs.c
+++ b/drivers/pinctrl/freescale/pinctrl-mxs.c
@@ -490,16 +490,14 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev,
 	/* Get groups for each function */
 	idxf = 0;
 	fn = fnull;
-	for_each_child_of_node(np, child) {
+	for_each_child_of_node_scoped(np, child) {
 		if (is_mxs_gpio(child))
 			continue;
 		if (of_property_read_u32(child, "reg", &val)) {
 			ret = mxs_pinctrl_parse_group(pdev, child,
 						      idxg++, NULL);
-			if (ret) {
-				of_node_put(child);
+			if (ret)
 				return ret;
-			}
 			continue;
 		}
 
@@ -509,19 +507,15 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev,
 						 f->ngroups,
 						 sizeof(*f->groups),
 						 GFP_KERNEL);
-			if (!f->groups) {
-				of_node_put(child);
+			if (!f->groups)
 				return -ENOMEM;
-			}
 			fn = child->name;
 			i = 0;
 		}
 		ret = mxs_pinctrl_parse_group(pdev, child, idxg++,
 					      &f->groups[i++]);
-		if (ret) {
-			of_node_put(child);
+		if (ret)
 			return ret;
-		}
 	}
 
 	return 0;

-- 
2.37.1


  parent reply	other threads:[~2024-05-04 13:16 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-04 13:19 [PATCH v2 00/20] pinctrl: Use scope based of_node_put() cleanups Peng Fan (OSS)
2024-05-04 13:19 ` [PATCH v2 01/20] pinctrl: ti: iodelay: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 02/20] pinctrl: tegra: " Peng Fan (OSS)
2024-05-30 10:46   ` Thierry Reding
2024-05-04 13:20 ` [PATCH v2 03/20] pinctrl: stm32: " Peng Fan (OSS)
2024-05-17  6:11   ` Patrice CHOTARD
2024-05-27 12:56   ` Linus Walleij
2024-05-04 13:20 ` [PATCH v2 04/20] pinctrl: starfive: " Peng Fan (OSS)
2024-05-27 14:25   ` Markus Elfring
2024-05-30  8:41     ` Peng Fan
2024-05-30  9:40       ` [v2 " Markus Elfring
2024-05-04 13:20 ` [PATCH v2 05/20] pinctrl: sprd: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 06/20] pinctrl: spear: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 07/20] pinctrl: renesas: " Peng Fan (OSS)
2024-05-13 11:59   ` Geert Uytterhoeven
2024-05-13 12:04     ` Peng Fan
2024-05-13 20:51     ` Linus Walleij
2024-05-14  6:35       ` Geert Uytterhoeven
2024-05-14  7:33         ` Linus Walleij
2024-05-14  8:06           ` Geert Uytterhoeven
2024-05-30  9:02     ` Andy Shevchenko
2024-05-30  9:21       ` Geert Uytterhoeven
2024-05-04 13:20 ` [PATCH v2 08/20] pinctrl: st: " Peng Fan (OSS)
2024-05-17  6:44   ` Patrice CHOTARD
2024-05-27 12:57   ` Linus Walleij
2024-05-30  9:04   ` Andy Shevchenko
2024-05-04 13:20 ` [PATCH v2 09/20] pinctrl: rockchip: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 10/20] pinctrl: equilibrium: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 11/20] pinctrl: at91: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 12/20] pinctrl: s32cc: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 13/20] pinctrl: nomadik: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 14/20] pinctrl: mediatek: " Peng Fan (OSS)
2024-05-04 13:20 ` Peng Fan (OSS) [this message]
2024-05-04 13:20 ` [PATCH v2 16/20] pinctrl: bcm: bcm63xx: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 17/20] pinctrl: pinconf-generic: " Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 18/20] pinctrl: freescale: mxs: Fix refcount of child Peng Fan (OSS)
2024-05-27 15:56   ` Markus Elfring
2024-05-30  8:44     ` Peng Fan
2024-05-30  9:50       ` [v2 " Markus Elfring
2024-05-30  9:54         ` Peng Fan
2024-05-04 13:20 ` [PATCH v2 19/20] pinctrl: k210: Use scope based of_node_put() cleanups Peng Fan (OSS)
2024-05-04 13:20 ` [PATCH v2 20/20] pinctrl: samsung: " Peng Fan (OSS)
2024-05-30 11:56 ` [PATCH v2 00/20] pinctrl: " Geert Uytterhoeven
2024-05-31  3:07   ` Peng Fan
2024-05-31  7:06     ` Geert Uytterhoeven
2024-06-18 11:52 ` Peng Fan

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