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gpio: twl4030: Use devm_gpiochip_add_data() to simplify remove path 

Use devm version of gpiochip add function to handle removal for us.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Andrew Davis 2023-05-15 12:40:26 -05:00 committed by Bartosz Golaszewski
parent 2148a7ac3b
commit fbc8ab2ccd
1 changed files with 3 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/gpio/gpio-twl4030.c
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@ -492,18 +492,6 @@ static struct twl4030_gpio_platform_data *of_gpio_twl4030(struct device *dev,
return omap_twl_info;
}
/* Cannot use as gpio_twl4030_probe() calls us */
static int gpio_twl4030_remove(struct platform_device *pdev)
{
struct gpio_twl4030_priv *priv = platform_get_drvdata(pdev);
gpiochip_remove(&priv->gpio_chip);
/* REVISIT no support yet for deregistering all the IRQs */
WARN_ON(!is_module());
return 0;
}
static int gpio_twl4030_probe(struct platform_device *pdev)
{
struct twl4030_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
@ -577,16 +565,13 @@ no_irqs:
if (pdata->use_leds)
priv->gpio_chip.ngpio += 2;
ret = gpiochip_add_data(&priv->gpio_chip, priv);
ret = devm_gpiochip_add_data(&pdev->dev, &priv->gpio_chip, priv);
if (ret < 0) {
dev_err(&pdev->dev, "could not register gpiochip, %d\n", ret);
priv->gpio_chip.ngpio = 0;
gpio_twl4030_remove(pdev);
goto out;
return ret;
}
platform_set_drvdata(pdev, priv);
if (pdata->setup) {
int status;
@ -596,8 +581,7 @@ no_irqs:
dev_dbg(&pdev->dev, "setup --> %d\n", status);
}
out:
return ret;
return 0;
}
static const struct of_device_id twl_gpio_match[] = {
@ -615,7 +599,6 @@ static struct platform_driver gpio_twl4030_driver = {
.of_match_table = twl_gpio_match,
},
.probe = gpio_twl4030_probe,
.remove = gpio_twl4030_remove,
};
static int __init gpio_twl4030_init(void)