[PATCH 02/21] pinctrl: tegra: Use scope based of_node_put() cleanups

From: Peng Fan (OSS)
Date: Wed May 01 2024 - 08:49:08 EST


From: Peng Fan <peng.fan@xxxxxxx>

Use scope based of_node_put() cleanup to simplify code.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
drivers/pinctrl/tegra/pinctrl-tegra-xusb.c | 7 ++-----
drivers/pinctrl/tegra/pinctrl-tegra.c | 10 +++-------
2 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/pinctrl/tegra/pinctrl-tegra-xusb.c b/drivers/pinctrl/tegra/pinctrl-tegra-xusb.c
index 96ef57a7d385..49c5edeba87f 100644
--- a/drivers/pinctrl/tegra/pinctrl-tegra-xusb.c
+++ b/drivers/pinctrl/tegra/pinctrl-tegra-xusb.c
@@ -238,20 +238,17 @@ static int tegra_xusb_padctl_dt_node_to_map(struct pinctrl_dev *pinctrl,
{
struct tegra_xusb_padctl *padctl = pinctrl_dev_get_drvdata(pinctrl);
unsigned int reserved_maps = 0;
- struct device_node *np;
int err;

*num_maps = 0;
*maps = NULL;

- for_each_child_of_node(parent, np) {
+ for_each_child_of_node_scoped(parent, np) {
err = tegra_xusb_padctl_parse_subnode(padctl, np, maps,
&reserved_maps,
num_maps);
- if (err < 0) {
- of_node_put(np);
+ if (err < 0)
return err;
- }
}

return 0;
diff --git a/drivers/pinctrl/tegra/pinctrl-tegra.c b/drivers/pinctrl/tegra/pinctrl-tegra.c
index ccfa3870a67d..69088609a0c8 100644
--- a/drivers/pinctrl/tegra/pinctrl-tegra.c
+++ b/drivers/pinctrl/tegra/pinctrl-tegra.c
@@ -188,20 +188,18 @@ static int tegra_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev,
unsigned *num_maps)
{
unsigned reserved_maps;
- struct device_node *np;
int ret;

reserved_maps = 0;
*map = NULL;
*num_maps = 0;

- for_each_child_of_node(np_config, np) {
+ for_each_child_of_node_scoped(np_config, np) {
ret = tegra_pinctrl_dt_subnode_to_map(pctldev, np, map,
&reserved_maps, num_maps);
if (ret < 0) {
pinctrl_utils_free_map(pctldev, *map,
*num_maps);
- of_node_put(np);
return ret;
}
}
@@ -759,17 +757,15 @@ DEFINE_NOIRQ_DEV_PM_OPS(tegra_pinctrl_pm, tegra_pinctrl_suspend, tegra_pinctrl_r

static bool tegra_pinctrl_gpio_node_has_range(struct tegra_pmx *pmx)
{
- struct device_node *np;
+ struct device_node *np __free(device_node) =
+ of_find_compatible_node(NULL, NULL, pmx->soc->gpio_compatible);
bool has_prop = false;

- np = of_find_compatible_node(NULL, NULL, pmx->soc->gpio_compatible);
if (!np)
return has_prop;

has_prop = of_find_property(np, "gpio-ranges", NULL);

- of_node_put(np);
-
return has_prop;
}


--
2.37.1