diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-exar.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c index 2fdca872c7c0..d37de78247a6 100644 --- a/drivers/gpio/gpio-exar.c +++ b/drivers/gpio/gpio-exar.c @@ -111,6 +111,13 @@ static int exar_direction_input(struct gpio_chip *chip, unsigned int offset) return 0; } +static void exar_devm_ida_free(void *data) +{ + struct exar_gpio_chip *exar_gpio = data; + + ida_free(&ida_index, exar_gpio->index); +} + static const struct regmap_config exar_regmap_config = { .name = "exar-gpio", .reg_bits = 16, @@ -158,6 +165,10 @@ static int gpio_exar_probe(struct platform_device *pdev) if (index < 0) return index; + ret = devm_add_action_or_reset(dev, exar_devm_ida_free, exar_gpio); + if (ret) + return ret; + sprintf(exar_gpio->name, "exar_gpio%d", index); exar_gpio->gpio_chip.label = exar_gpio->name; exar_gpio->gpio_chip.parent = dev; @@ -173,29 +184,15 @@ static int gpio_exar_probe(struct platform_device *pdev) ret = devm_gpiochip_add_data(dev, &exar_gpio->gpio_chip, exar_gpio); if (ret) - goto err_destroy; + return ret; platform_set_drvdata(pdev, exar_gpio); return 0; - -err_destroy: - ida_free(&ida_index, index); - return ret; -} - -static int gpio_exar_remove(struct platform_device *pdev) -{ - struct exar_gpio_chip *exar_gpio = platform_get_drvdata(pdev); - - ida_free(&ida_index, exar_gpio->index); - - return 0; } static struct platform_driver gpio_exar_driver = { .probe = gpio_exar_probe, - .remove = gpio_exar_remove, .driver = { .name = DRIVER_NAME, }, |