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path: root/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
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Diffstat (limited to 'drivers/pinctrl/cirrus/pinctrl-cs42l43.c')
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs42l43.c44
1 files changed, 32 insertions, 12 deletions
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs42l43.c b/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
index 628b60ccc2b0..a8f82104a384 100644
--- a/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
+++ b/drivers/pinctrl/cirrus/pinctrl-cs42l43.c
@@ -448,7 +448,7 @@ static const struct pinconf_ops cs42l43_pin_conf_ops = {
.pin_config_group_set = cs42l43_pin_config_group_set,
};
-static struct pinctrl_desc cs42l43_pin_desc = {
+static const struct pinctrl_desc cs42l43_pin_desc = {
.name = "cs42l43-pinctrl",
.owner = THIS_MODULE,
@@ -483,7 +483,8 @@ static int cs42l43_gpio_get(struct gpio_chip *chip, unsigned int offset)
return ret;
}
-static void cs42l43_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
+static int cs42l43_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
{
struct cs42l43_pin *priv = gpiochip_get_data(chip);
unsigned int shift = offset + CS42L43_GPIO1_LVL_SHIFT;
@@ -493,23 +494,27 @@ static void cs42l43_gpio_set(struct gpio_chip *chip, unsigned int offset, int va
offset + 1, str_high_low(value));
ret = pm_runtime_resume_and_get(priv->dev);
- if (ret) {
- dev_err(priv->dev, "Failed to resume for set: %d\n", ret);
- return;
- }
+ if (ret)
+ return ret;
ret = regmap_update_bits(priv->regmap, CS42L43_GPIO_CTRL1,
BIT(shift), value << shift);
if (ret)
- dev_err(priv->dev, "Failed to set gpio%d: %d\n", offset + 1, ret);
+ return ret;
pm_runtime_put(priv->dev);
+
+ return 0;
}
static int cs42l43_gpio_direction_out(struct gpio_chip *chip,
unsigned int offset, int value)
{
- cs42l43_gpio_set(chip, offset, value);
+ int ret;
+
+ ret = cs42l43_gpio_set(chip, offset, value);
+ if (ret)
+ return ret;
return pinctrl_gpio_direction_output(chip, offset);
}
@@ -527,6 +532,11 @@ static int cs42l43_gpio_add_pin_ranges(struct gpio_chip *chip)
return ret;
}
+static void cs42l43_fwnode_put(void *data)
+{
+ fwnode_handle_put(data);
+}
+
static int cs42l43_pin_probe(struct platform_device *pdev)
{
struct cs42l43 *cs42l43 = dev_get_drvdata(pdev->dev.parent);
@@ -558,10 +568,20 @@ static int cs42l43_pin_probe(struct platform_device *pdev)
priv->gpio_chip.ngpio = CS42L43_NUM_GPIOS;
if (is_of_node(fwnode)) {
- fwnode = fwnode_get_named_child_node(fwnode, "pinctrl");
-
- if (fwnode && !fwnode->dev)
- fwnode->dev = priv->dev;
+ struct fwnode_handle *child;
+
+ child = fwnode_get_named_child_node(fwnode, "pinctrl");
+ if (child) {
+ ret = devm_add_action_or_reset(&pdev->dev,
+ cs42l43_fwnode_put, child);
+ if (ret) {
+ fwnode_handle_put(child);
+ return ret;
+ }
+ if (!child->dev)
+ child->dev = priv->dev;
+ fwnode = child;
+ }
}
priv->gpio_chip.fwnode = fwnode;