[PATCH 14/21] pinctrl: at91: Use scope based of_node_put() cleanups
Peng Fan (OSS)
peng.fan at oss.nxp.com
Wed May 1 05:56:12 PDT 2024
From: Peng Fan <peng.fan at nxp.com>
Use scope based of_node_put() cleanup to simplify code.
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
drivers/pinctrl/pinctrl-at91-pio4.c | 7 ++-----
drivers/pinctrl/pinctrl-at91.c | 17 +++++------------
2 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-at91-pio4.c b/drivers/pinctrl/pinctrl-at91-pio4.c
index a27c01fcbb47..8b01d312305a 100644
--- a/drivers/pinctrl/pinctrl-at91-pio4.c
+++ b/drivers/pinctrl/pinctrl-at91-pio4.c
@@ -632,7 +632,6 @@ static int atmel_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
struct pinctrl_map **map,
unsigned int *num_maps)
{
- struct device_node *np;
unsigned int reserved_maps;
int ret;
@@ -648,13 +647,11 @@ static int atmel_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
ret = atmel_pctl_dt_subnode_to_map(pctldev, np_config, map,
&reserved_maps, num_maps);
if (ret) {
- for_each_child_of_node(np_config, np) {
+ for_each_child_of_node_scoped(np_config, np) {
ret = atmel_pctl_dt_subnode_to_map(pctldev, np, map,
&reserved_maps, num_maps);
- if (ret < 0) {
- of_node_put(np);
+ if (ret < 0)
break;
- }
}
}
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 5aa9d5c533c6..cc32db0797e6 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -292,7 +292,7 @@ static int at91_dt_node_to_map(struct pinctrl_dev *pctldev,
struct at91_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
const struct at91_pin_group *grp;
struct pinctrl_map *new_map;
- struct device_node *parent;
+ struct device_node *parent __free(device_node) = NULL;
int map_num = 1;
int i;
@@ -325,7 +325,6 @@ static int at91_dt_node_to_map(struct pinctrl_dev *pctldev,
new_map[0].type = PIN_MAP_TYPE_MUX_GROUP;
new_map[0].data.mux.function = parent->name;
new_map[0].data.mux.group = np->name;
- of_node_put(parent);
/* create config map */
new_map++;
@@ -1244,7 +1243,6 @@ static int at91_pinctrl_parse_groups(struct device_node *np,
static int at91_pinctrl_parse_functions(struct device_node *np,
struct at91_pinctrl *info, u32 index)
{
- struct device_node *child;
struct at91_pmx_func *func;
struct at91_pin_group *grp;
int ret;
@@ -1267,14 +1265,12 @@ static int at91_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 = at91_pinctrl_parse_groups(child, grp, info, i++);
- if (ret) {
- of_node_put(child);
+ if (ret)
return ret;
- }
}
return 0;
@@ -1296,7 +1292,6 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev,
int i, j, ngpio_chips_enabled = 0;
uint32_t *tmp;
struct device_node *np = dev->of_node;
- struct device_node *child;
if (!np)
return -ENODEV;
@@ -1349,14 +1344,12 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev,
i = 0;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
if (of_device_is_compatible(child, gpio_compat))
continue;
ret = at91_pinctrl_parse_functions(child, info, i++);
- if (ret) {
- of_node_put(child);
+ if (ret)
return dev_err_probe(dev, ret, "failed to parse function\n");
- }
}
return 0;
--
2.37.1
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