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pwm: rcar: 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 (mostly) ignored
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.

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>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Uwe Kleine-König 2023-03-03 19:54:32 +01:00 • committed by Thierry Reding
parent fed5d59d82
commit e7fa6e8447
1 changed files with 2 additions and 4 deletions
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6
drivers/pwm/pwm-rcar.c
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@ -238,15 +238,13 @@ static int rcar_pwm_probe(struct platform_device *pdev)
return 0;
}
static int rcar_pwm_remove(struct platform_device *pdev)
static void rcar_pwm_remove(struct platform_device *pdev)
{
struct rcar_pwm_chip *rcar_pwm = platform_get_drvdata(pdev);
pwmchip_remove(&rcar_pwm->chip);
pm_runtime_disable(&pdev->dev);
return 0;
}
static const struct of_device_id rcar_pwm_of_table[] = {
@ -257,7 +255,7 @@ MODULE_DEVICE_TABLE(of, rcar_pwm_of_table);
static struct platform_driver rcar_pwm_driver = {
.probe = rcar_pwm_probe,
.remove = rcar_pwm_remove,
.remove_new = rcar_pwm_remove,
.driver = {
.name = "pwm-rcar",
.of_match_table = of_match_ptr(rcar_pwm_of_table),