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gpio: brcmstb: Convert to platform remove callback returning void

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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.

To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Uwe Kleine-König 2023-09-28 09:06:46 +02:00 committed by Bartosz Golaszewski
parent 484b322676
commit 0667faab96
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpio/gpio-brcmstb.c
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@ -371,7 +371,7 @@ static int brcmstb_gpio_sanity_check_banks(struct device *dev,
}
}
static int brcmstb_gpio_remove(struct platform_device *pdev)
static void brcmstb_gpio_remove(struct platform_device *pdev)
{
struct brcmstb_gpio_priv *priv = platform_get_drvdata(pdev);
struct brcmstb_gpio_bank *bank;
@ -395,8 +395,6 @@ static int brcmstb_gpio_remove(struct platform_device *pdev)
*/
list_for_each_entry(bank, &priv->bank_list, node)
gpiochip_remove(&bank->gc);
return 0;
}
static int brcmstb_gpio_of_xlate(struct gpio_chip *gc,
@ -757,7 +755,7 @@ static struct platform_driver brcmstb_gpio_driver = {
.pm = &brcmstb_gpio_pm_ops,
},
.probe = brcmstb_gpio_probe,
.remove = brcmstb_gpio_remove,
.remove_new = brcmstb_gpio_remove,
.shutdown = brcmstb_gpio_shutdown,
};
module_platform_driver(brcmstb_gpio_driver);