From fbc8ab2ccd8547ea536a21a2f7d9e005f2bacc53 Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Mon, 15 May 2023 12:40:26 -0500 Subject: [PATCH] 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 Reviewed-by: Linus Walleij Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-twl4030.c | 23 +++-------------------- 1 file changed, 3 insertions(+), 20 deletions(-) diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c index c1bb2c3ca6f2..3708ed2314e8 100644 --- a/drivers/gpio/gpio-twl4030.c +++ b/drivers/gpio/gpio-twl4030.c @@ -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)