This simplifies an error path in .probe() and allows to drop the .remove()
function.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
drivers/pwm/pwm-renesas-tpu.c | 22 +++++-----------------
1 file changed, 5 insertions(+), 17 deletions(-)
diff --git a/drivers/pwm/pwm-renesas-tpu.c b/drivers/pwm/pwm-renesas-tpu.c
index c3ae78e37789..12376988c70e 100644
--- a/drivers/pwm/pwm-renesas-tpu.c
+++ b/drivers/pwm/pwm-renesas-tpu.c
@@ -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),
--
2.35.1
