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pwm: renesas-tpu: Make use of devm functions

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This simplifies an error path in .probe() and allows to drop the .remove()
function.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
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 2022-04-20 14:12:36 +02:00 committed by Thierry Reding
parent 6eb3af76ad
commit ff4bcd56c0
1 changed files with 5 additions and 17 deletions
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22
drivers/pwm/pwm-renesas-tpu.c
View file

@ -408,24 +408,13 @@ static int tpu_probe(struct platform_device *pdev)
tpu->chip.ops = &tpu_pwm_ops;
tpu->chip.npwm = TPU_CHANNEL_MAX;
pm_runtime_enable(&pdev->dev);
ret = devm_pm_runtime_enable(&pdev->dev);
if (ret < 0)
return dev_err_probe(&pdev->dev, ret, "Failed to enable runtime PM\n");
ret = pwmchip_add(&tpu->chip);
if (ret < 0) {
pm_runtime_disable(&pdev->dev);
ret = devm_pwmchip_add(&pdev->dev, &tpu->chip);
if (ret < 0)
return dev_err_probe(&pdev->dev, ret, "Failed to register PWM chip\n");
}
return 0;
}
static int tpu_remove(struct platform_device *pdev)
{
struct tpu_device *tpu = platform_get_drvdata(pdev);
pwmchip_remove(&tpu->chip);
pm_runtime_disable(&pdev->dev);
return 0;
}
@ -444,7 +433,6 @@ MODULE_DEVICE_TABLE(of, tpu_of_table);
static struct platform_driver tpu_driver = {
.probe = tpu_probe,
.remove = tpu_remove,
.driver = {
.name = "renesas-tpu-pwm",
.of_match_table = of_match_ptr(tpu_of_table),