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path: root/drivers/gpio/gpiolib-of.c
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Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
-rw-r--r--drivers/gpio/gpiolib-of.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index f6af5e7be4d1..3bd3283b349c 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -338,11 +338,10 @@ static void of_gpio_flags_quirks(const struct device_node *np,
*/
if (IS_ENABLED(CONFIG_SPI_MASTER) && !strcmp(propname, "cs-gpios") &&
of_property_read_bool(np, "cs-gpios")) {
- struct device_node *child;
u32 cs;
int ret;
- for_each_child_of_node(np, child) {
+ for_each_child_of_node_scoped(np, child) {
ret = of_property_read_u32(child, "reg", &cs);
if (ret)
continue;
@@ -363,7 +362,6 @@ static void of_gpio_flags_quirks(const struct device_node *np,
"spi-cs-high");
of_gpio_quirk_polarity(child, active_high,
flags);
- of_node_put(child);
break;
}
}
@@ -836,18 +834,15 @@ static int of_gpiochip_add_hog(struct gpio_chip *chip, struct device_node *hog)
*/
static int of_gpiochip_scan_gpios(struct gpio_chip *chip)
{
- struct device_node *np;
int ret;
- for_each_available_child_of_node(dev_of_node(&chip->gpiodev->dev), np) {
+ for_each_available_child_of_node_scoped(dev_of_node(&chip->gpiodev->dev), np) {
if (!of_property_read_bool(np, "gpio-hog"))
continue;
ret = of_gpiochip_add_hog(chip, np);
- if (ret < 0) {
- of_node_put(np);
+ if (ret < 0)
return ret;
- }
of_node_set_flag(np, OF_POPULATED);
}
@@ -1058,13 +1053,13 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
int index = 0, ret, trim;
const char *name;
static const char group_names_propname[] = "gpio-ranges-group-names";
- struct property *group_names;
+ bool has_group_names;
np = dev_of_node(&chip->gpiodev->dev);
if (!np)
return 0;
- group_names = of_find_property(np, group_names_propname, NULL);
+ has_group_names = of_property_present(np, group_names_propname);
for (;; index++) {
ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3,
@@ -1085,7 +1080,7 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
if (pinspec.args[2]) {
/* npins != 0: linear range */
- if (group_names) {
+ if (has_group_names) {
of_property_read_string_index(np,
group_names_propname,
index, &name);
@@ -1123,7 +1118,7 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
break;
}
- if (!group_names) {
+ if (!has_group_names) {
pr_err("%pOF: GPIO group range requested but no %s property.\n",
np, group_names_propname);
break;