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Message-Id: <20240504-pinctrl-cleanup-v2-10-26c5f2dc1181@nxp.com>
Date: Sat, 04 May 2024 21:20:08 +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 10/20] pinctrl: equilibrium: 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/pinctrl-equilibrium.c | 21 +++++----------------
1 file changed, 5 insertions(+), 16 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-equilibrium.c b/drivers/pinctrl/pinctrl-equilibrium.c
index 6e1be38865c3..e727257bb697 100644
--- a/drivers/pinctrl/pinctrl-equilibrium.c
+++ b/drivers/pinctrl/pinctrl-equilibrium.c
@@ -588,14 +588,13 @@ static int funcs_utils(struct device *dev, struct eqbr_pmx_func *funcs,
unsigned int *nr_funcs, funcs_util_ops op)
{
struct device_node *node = dev->of_node;
- struct device_node *np;
struct property *prop;
const char *fn_name;
unsigned int fid;
int i, j;
i = 0;
- for_each_child_of_node(node, np) {
+ for_each_child_of_node_scoped(node, np) {
prop = of_find_property(np, "groups", NULL);
if (!prop)
continue;
@@ -633,7 +632,6 @@ static int funcs_utils(struct device *dev, struct eqbr_pmx_func *funcs,
break;
default:
- of_node_put(np);
return -EINVAL;
}
i++;
@@ -706,11 +704,10 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
struct device_node *node = dev->of_node;
unsigned int *pins, *pinmux, pin_id, pinmux_id;
struct pingroup group, *grp = &group;
- struct device_node *np;
struct property *prop;
int j, err;
- for_each_child_of_node(node, np) {
+ for_each_child_of_node_scoped(node, np) {
prop = of_find_property(np, "groups", NULL);
if (!prop)
continue;
@@ -718,42 +715,35 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
err = of_property_count_u32_elems(np, "pins");
if (err < 0) {
dev_err(dev, "No pins in the group: %s\n", prop->name);
- of_node_put(np);
return err;
}
grp->npins = err;
grp->name = prop->value;
pins = devm_kcalloc(dev, grp->npins, sizeof(*pins), GFP_KERNEL);
- if (!pins) {
- of_node_put(np);
+ if (!pins)
return -ENOMEM;
- }
+
grp->pins = pins;
pinmux = devm_kcalloc(dev, grp->npins, sizeof(*pinmux), GFP_KERNEL);
- if (!pinmux) {
- of_node_put(np);
+ if (!pinmux)
return -ENOMEM;
- }
for (j = 0; j < grp->npins; j++) {
if (of_property_read_u32_index(np, "pins", j, &pin_id)) {
dev_err(dev, "Group %s: Read intel pins id failed\n",
grp->name);
- of_node_put(np);
return -EINVAL;
}
if (pin_id >= drvdata->pctl_desc.npins) {
dev_err(dev, "Group %s: Invalid pin ID, idx: %d, pin %u\n",
grp->name, j, pin_id);
- of_node_put(np);
return -EINVAL;
}
pins[j] = pin_id;
if (of_property_read_u32_index(np, "pinmux", j, &pinmux_id)) {
dev_err(dev, "Group %s: Read intel pinmux id failed\n",
grp->name);
- of_node_put(np);
return -EINVAL;
}
pinmux[j] = pinmux_id;
@@ -764,7 +754,6 @@ static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
pinmux);
if (err < 0) {
dev_err(dev, "Failed to register group %s\n", grp->name);
- of_node_put(np);
return err;
}
memset(&group, 0, sizeof(group));
--
2.37.1
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