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>
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 09/21] pinctrl: renesas: Use scope based of_node_put() cleanups
Date: Wed, 01 May 2024 20:56:07 +0800 [thread overview]
Message-ID: <20240501-pinctrl-cleanup-v1-9-797ceca46e5c@nxp.com> (raw)
In-Reply-To: <20240501-pinctrl-cleanup-v1-0-797ceca46e5c@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/renesas/pinctrl-rza1.c | 14 ++++----------
drivers/pinctrl/renesas/pinctrl-rzg2l.c | 10 +++-------
drivers/pinctrl/renesas/pinctrl-rzn1.c | 23 +++++++----------------
drivers/pinctrl/renesas/pinctrl-rzv2m.c | 7 ++-----
drivers/pinctrl/renesas/pinctrl.c | 7 ++-----
5 files changed, 18 insertions(+), 43 deletions(-)
diff --git a/drivers/pinctrl/renesas/pinctrl-rza1.c b/drivers/pinctrl/renesas/pinctrl-rza1.c
index edcbe7c9ad56..6527872813dc 100644
--- a/drivers/pinctrl/renesas/pinctrl-rza1.c
+++ b/drivers/pinctrl/renesas/pinctrl-rza1.c
@@ -852,7 +852,6 @@ static const struct gpio_chip rza1_gpiochip_template = {
*/
static int rza1_dt_node_pin_count(struct device_node *np)
{
- struct device_node *child;
struct property *of_pins;
unsigned int npins;
@@ -861,12 +860,10 @@ static int rza1_dt_node_pin_count(struct device_node *np)
return of_pins->length / sizeof(u32);
npins = 0;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
of_pins = of_find_property(child, "pinmux", NULL);
- if (!of_pins) {
- of_node_put(child);
+ if (!of_pins)
return -EINVAL;
- }
npins += of_pins->length / sizeof(u32);
}
@@ -986,7 +983,6 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev,
struct rza1_pinctrl *rza1_pctl = pinctrl_dev_get_drvdata(pctldev);
struct rza1_mux_conf *mux_confs, *mux_conf;
unsigned int *grpins, *grpin;
- struct device_node *child;
const char *grpname;
const char **fngrps;
int ret, npins;
@@ -1023,13 +1019,11 @@ static int rza1_dt_node_to_map(struct pinctrl_dev *pctldev,
ret = rza1_parse_pinmux_node(rza1_pctl, np, mux_conf, grpin);
if (ret == -ENOENT)
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
ret = rza1_parse_pinmux_node(rza1_pctl, child, mux_conf,
grpin);
- if (ret < 0) {
- of_node_put(child);
+ if (ret < 0)
return ret;
- }
grpin += ret;
mux_conf += ret;
diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index c3256bfde502..85a4f3c7d73c 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -745,7 +745,6 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
unsigned int *num_maps)
{
struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
- struct device_node *child;
unsigned int index;
int ret;
@@ -753,13 +752,11 @@ static int rzg2l_dt_node_to_map(struct pinctrl_dev *pctldev,
*num_maps = 0;
index = 0;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
ret = rzg2l_dt_subnode_to_map(pctldev, child, np, map,
num_maps, &index);
- if (ret < 0) {
- of_node_put(child);
+ if (ret < 0)
goto done;
- }
}
if (*num_maps == 0) {
@@ -2201,7 +2198,7 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
const char *name = dev_name(pctrl->dev);
struct irq_domain *parent_domain;
struct of_phandle_args of_args;
- struct device_node *parent_np;
+ struct device_node *parent_np __free(device_node) = of_irq_find_parent(np);
struct gpio_irq_chip *girq;
int ret;
@@ -2210,7 +2207,6 @@ static int rzg2l_gpio_register(struct rzg2l_pinctrl *pctrl)
return -ENXIO;
parent_domain = irq_find_host(parent_np);
- of_node_put(parent_np);
if (!parent_domain)
return -EPROBE_DEFER;
diff --git a/drivers/pinctrl/renesas/pinctrl-rzn1.c b/drivers/pinctrl/renesas/pinctrl-rzn1.c
index 4b2f107824fe..e1b4203c66c6 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzn1.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzn1.c
@@ -404,7 +404,6 @@ static int rzn1_dt_node_to_map(struct pinctrl_dev *pctldev,
struct pinctrl_map **map,
unsigned int *num_maps)
{
- struct device_node *child;
int ret;
*map = NULL;
@@ -414,12 +413,10 @@ static int rzn1_dt_node_to_map(struct pinctrl_dev *pctldev,
if (ret < 0)
return ret;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
ret = rzn1_dt_node_to_map_one(pctldev, child, map, num_maps);
- if (ret < 0) {
- of_node_put(child);
+ if (ret < 0)
return ret;
- }
}
return 0;
@@ -760,7 +757,6 @@ static int rzn1_pinctrl_parse_functions(struct device_node *np,
{
struct rzn1_pmx_func *func;
struct rzn1_pin_group *grp;
- struct device_node *child;
unsigned int i = 0;
int ret;
@@ -793,15 +789,13 @@ static int rzn1_pinctrl_parse_functions(struct device_node *np,
ipctl->ngroups++;
}
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
func->groups[i] = child->name;
grp = &ipctl->groups[ipctl->ngroups];
grp->func = func->name;
ret = rzn1_pinctrl_parse_groups(child, grp, ipctl);
- if (ret < 0) {
- of_node_put(child);
+ if (ret < 0)
return ret;
- }
i++;
ipctl->ngroups++;
}
@@ -816,7 +810,6 @@ static int rzn1_pinctrl_probe_dt(struct platform_device *pdev,
struct rzn1_pinctrl *ipctl)
{
struct device_node *np = pdev->dev.of_node;
- struct device_node *child;
unsigned int maxgroups = 0;
unsigned int i = 0;
int nfuncs = 0;
@@ -834,7 +827,7 @@ static int rzn1_pinctrl_probe_dt(struct platform_device *pdev,
return -ENOMEM;
ipctl->ngroups = 0;
- for_each_child_of_node(np, child)
+ for_each_child_of_node_scoped(np, child)
maxgroups += rzn1_pinctrl_count_function_groups(child);
ipctl->groups = devm_kmalloc_array(&pdev->dev,
@@ -844,12 +837,10 @@ static int rzn1_pinctrl_probe_dt(struct platform_device *pdev,
if (!ipctl->groups)
return -ENOMEM;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
ret = rzn1_pinctrl_parse_functions(child, ipctl, i++);
- if (ret < 0) {
- of_node_put(child);
+ if (ret < 0)
return ret;
- }
}
return 0;
diff --git a/drivers/pinctrl/renesas/pinctrl-rzv2m.c b/drivers/pinctrl/renesas/pinctrl-rzv2m.c
index 0767a5ac23e0..0cae5472ac67 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzv2m.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzv2m.c
@@ -388,7 +388,6 @@ static int rzv2m_dt_node_to_map(struct pinctrl_dev *pctldev,
unsigned int *num_maps)
{
struct rzv2m_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
- struct device_node *child;
unsigned int index;
int ret;
@@ -396,13 +395,11 @@ static int rzv2m_dt_node_to_map(struct pinctrl_dev *pctldev,
*num_maps = 0;
index = 0;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
ret = rzv2m_dt_subnode_to_map(pctldev, child, np, map,
num_maps, &index);
- if (ret < 0) {
- of_node_put(child);
+ if (ret < 0)
goto done;
- }
}
if (*num_maps == 0) {
diff --git a/drivers/pinctrl/renesas/pinctrl.c b/drivers/pinctrl/renesas/pinctrl.c
index 4d9d58fc1356..03e9bdbc82b9 100644
--- a/drivers/pinctrl/renesas/pinctrl.c
+++ b/drivers/pinctrl/renesas/pinctrl.c
@@ -241,7 +241,6 @@ static int sh_pfc_dt_node_to_map(struct pinctrl_dev *pctldev,
{
struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
struct device *dev = pmx->pfc->dev;
- struct device_node *child;
unsigned int index;
int ret;
@@ -249,13 +248,11 @@ static int sh_pfc_dt_node_to_map(struct pinctrl_dev *pctldev,
*num_maps = 0;
index = 0;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
ret = sh_pfc_dt_subnode_to_map(pctldev, child, map, num_maps,
&index);
- if (ret < 0) {
- of_node_put(child);
+ if (ret < 0)
goto done;
- }
}
/* If no mapping has been found in child nodes try the config node. */
--
2.37.1
next prev parent reply other threads:[~2024-05-01 12:50 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-01 12:55 [PATCH 00/21] pinctrl: Use scope based of_node_put() cleanups Peng Fan (OSS)
2024-05-01 12:55 ` [PATCH 01/21] pinctrl: ti: iodelay: " Peng Fan (OSS)
2024-05-01 13:32 ` Dan Carpenter
2024-05-02 0:28 ` Peng Fan
2024-05-02 7:05 ` Dan Carpenter
2024-05-01 12:56 ` [PATCH 02/21] pinctrl: tegra: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 03/21] pinctrl: sunplus: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 04/21] pinctrl: stm32: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 05/21] pinctrl: starfive: " Peng Fan (OSS)
2024-05-01 13:30 ` Emil Renner Berthing
2024-05-01 12:56 ` [PATCH 06/21] pinctrl: sprd: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 07/21] pinctrl: spear: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 08/21] pinctrl: samsung: " Peng Fan (OSS)
2024-05-01 16:34 ` Krzysztof Kozlowski
2024-05-01 23:25 ` Peng Fan
2024-05-01 12:56 ` Peng Fan (OSS) [this message]
2024-05-01 12:56 ` [PATCH 10/21] pinctrl: st: " Peng Fan (OSS)
2024-05-01 17:16 ` Dan Carpenter
2024-05-01 12:56 ` [PATCH 11/21] pinctrl: rockchip: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 12/21] pinctrl: k210: " Peng Fan (OSS)
2024-05-02 9:45 ` Damien Le Moal
2024-05-01 12:56 ` [PATCH 13/21] pinctrl: equilibrium: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 14/21] pinctrl: at91: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 15/21] pinctrl: s32cc: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 16/21] pinctrl: nomadik: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 17/21] pinctrl: mediatek: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 18/21] pinctrl: freescale: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 19/21] pinctrl: bcm: bcm63xx: " Peng Fan (OSS)
2024-05-01 12:56 ` [PATCH 20/21] pinctrl: aspeed: g5: " Peng Fan (OSS)
2024-05-02 0:53 ` Andrew Jeffery
2024-05-02 11:52 ` Peng Fan
2024-05-01 12:56 ` [PATCH 21/21] pinctrl: pinconf-generic: " Peng Fan (OSS)
2024-05-03 7:19 ` [PATCH 00/21] pinctrl: " Linus Walleij
2024-05-03 23:11 ` Peng Fan
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