diff options
Diffstat (limited to 'drivers/pinctrl/cirrus/pinctrl-cs42l43.c')
| -rw-r--r-- | drivers/pinctrl/cirrus/pinctrl-cs42l43.c | 44 |
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; |
