[PATCH v2 04/20] pinctrl: starfive: Use scope based of_node_put() cleanups
From: Peng Fan (OSS)
Date: Sat May 04 2024 - 09:13:49 EST
From: Peng Fan <peng.fan@xxxxxxx>
Use scope based of_node_put() cleanup to simplify code.
Acked-by: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c | 27 +++++++++-------------
drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c | 18 +++++++--------
2 files changed, 19 insertions(+), 26 deletions(-)
diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
index 6df7a310c7ed..27f99183d994 100644
--- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
+++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7100.c
@@ -480,7 +480,6 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
{
struct starfive_pinctrl *sfp = pinctrl_dev_get_drvdata(pctldev);
struct device *dev = sfp->gc.parent;
- struct device_node *child;
struct pinctrl_map *map;
const char **pgnames;
const char *grpname;
@@ -492,20 +491,18 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
nmaps = 0;
ngroups = 0;
- for_each_available_child_of_node(np, child) {
+ for_each_available_child_of_node_scoped(np, child) {
int npinmux = of_property_count_u32_elems(child, "pinmux");
int npins = of_property_count_u32_elems(child, "pins");
if (npinmux > 0 && npins > 0) {
dev_err(dev, "invalid pinctrl group %pOFn.%pOFn: both pinmux and pins set\n",
np, child);
- of_node_put(child);
return -EINVAL;
}
if (npinmux == 0 && npins == 0) {
dev_err(dev, "invalid pinctrl group %pOFn.%pOFn: neither pinmux nor pins set\n",
np, child);
- of_node_put(child);
return -EINVAL;
}
@@ -527,14 +524,14 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
nmaps = 0;
ngroups = 0;
mutex_lock(&sfp->mutex);
- for_each_available_child_of_node(np, child) {
+ for_each_available_child_of_node_scoped(np, child) {
int npins;
int i;
grpname = devm_kasprintf(dev, GFP_KERNEL, "%pOFn.%pOFn", np, child);
if (!grpname) {
ret = -ENOMEM;
- goto put_child;
+ goto free_map;
}
pgnames[ngroups++] = grpname;
@@ -543,18 +540,18 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
pins = devm_kcalloc(dev, npins, sizeof(*pins), GFP_KERNEL);
if (!pins) {
ret = -ENOMEM;
- goto put_child;
+ goto free_map;
}
pinmux = devm_kcalloc(dev, npins, sizeof(*pinmux), GFP_KERNEL);
if (!pinmux) {
ret = -ENOMEM;
- goto put_child;
+ goto free_map;
}
ret = of_property_read_u32_array(child, "pinmux", pinmux, npins);
if (ret)
- goto put_child;
+ goto free_map;
for (i = 0; i < npins; i++) {
unsigned int gpio = starfive_pinmux_to_gpio(pinmux[i]);
@@ -570,7 +567,7 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
pins = devm_kcalloc(dev, npins, sizeof(*pins), GFP_KERNEL);
if (!pins) {
ret = -ENOMEM;
- goto put_child;
+ goto free_map;
}
pinmux = NULL;
@@ -580,18 +577,18 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
ret = of_property_read_u32_index(child, "pins", i, &v);
if (ret)
- goto put_child;
+ goto free_map;
pins[i] = v;
}
} else {
ret = -EINVAL;
- goto put_child;
+ goto free_map;
}
ret = pinctrl_generic_add_group(pctldev, grpname, pins, npins, pinmux);
if (ret < 0) {
dev_err(dev, "error adding group %s: %d\n", grpname, ret);
- goto put_child;
+ goto free_map;
}
ret = pinconf_generic_parse_dt_config(child, pctldev,
@@ -600,7 +597,7 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
if (ret) {
dev_err(dev, "error parsing pin config of group %s: %d\n",
grpname, ret);
- goto put_child;
+ goto free_map;
}
/* don't create a map if there are no pinconf settings */
@@ -623,8 +620,6 @@ static int starfive_dt_node_to_map(struct pinctrl_dev *pctldev,
mutex_unlock(&sfp->mutex);
return 0;
-put_child:
- of_node_put(child);
free_map:
pinctrl_utils_free_map(pctldev, map, nmaps);
mutex_unlock(&sfp->mutex);
diff --git a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
index 9609eb1ecc3d..4ce080caa233 100644
--- a/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
+++ b/drivers/pinctrl/starfive/pinctrl-starfive-jh7110.c
@@ -150,7 +150,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev,
nmaps = 0;
ngroups = 0;
mutex_lock(&sfp->mutex);
- for_each_available_child_of_node(np, child) {
+ for_each_available_child_of_node_scoped(np, child) {
int npins = of_property_count_u32_elems(child, "pinmux");
int *pins;
u32 *pinmux;
@@ -161,13 +161,13 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev,
"invalid pinctrl group %pOFn.%pOFn: pinmux not set\n",
np, child);
ret = -EINVAL;
- goto put_child;
+ goto free_map;
}
grpname = devm_kasprintf(dev, GFP_KERNEL, "%pOFn.%pOFn", np, child);
if (!grpname) {
ret = -ENOMEM;
- goto put_child;
+ goto free_map;
}
pgnames[ngroups++] = grpname;
@@ -175,18 +175,18 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev,
pins = devm_kcalloc(dev, npins, sizeof(*pins), GFP_KERNEL);
if (!pins) {
ret = -ENOMEM;
- goto put_child;
+ goto free_map;
}
pinmux = devm_kcalloc(dev, npins, sizeof(*pinmux), GFP_KERNEL);
if (!pinmux) {
ret = -ENOMEM;
- goto put_child;
+ goto free_map;
}
ret = of_property_read_u32_array(child, "pinmux", pinmux, npins);
if (ret)
- goto put_child;
+ goto free_map;
for (i = 0; i < npins; i++)
pins[i] = jh7110_pinmux_pin(pinmux[i]);
@@ -200,7 +200,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev,
pins, npins, pinmux);
if (ret < 0) {
dev_err(dev, "error adding group %s: %d\n", grpname, ret);
- goto put_child;
+ goto free_map;
}
ret = pinconf_generic_parse_dt_config(child, pctldev,
@@ -209,7 +209,7 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev,
if (ret) {
dev_err(dev, "error parsing pin config of group %s: %d\n",
grpname, ret);
- goto put_child;
+ goto free_map;
}
/* don't create a map if there are no pinconf settings */
@@ -233,8 +233,6 @@ static int jh7110_dt_node_to_map(struct pinctrl_dev *pctldev,
*num_maps = nmaps;
return 0;
-put_child:
- of_node_put(child);
free_map:
pinctrl_utils_free_map(pctldev, map, nmaps);
mutex_unlock(&sfp->mutex);
--
2.37.1