pwm: stm32-lp: Simplify using devm_pwmchip_add()

This allows to drop the platform_driver's remove function.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c
index e4a10aa..3115abb 100644 (file)
--- a/drivers/pwm/pwm-stm32-lp.c
+++ b/drivers/pwm/pwm-stm32-lp.c
@@ -209,7 +209,7 @@ static int stm32_pwm_lp_probe(struct platform_device *pdev)
        priv->chip.ops = &stm32_pwm_lp_ops;
        priv->chip.npwm = 1;
 
-       ret = pwmchip_add(&priv->chip);
+       ret = devm_pwmchip_add(&pdev->dev, &priv->chip);
        if (ret < 0)
                return ret;
 
@@ -218,13 +218,6 @@ static int stm32_pwm_lp_probe(struct platform_device *pdev)
        return 0;
 }
 
-static int stm32_pwm_lp_remove(struct platform_device *pdev)
-{
-       struct stm32_pwm_lp *priv = platform_get_drvdata(pdev);
-
-       return pwmchip_remove(&priv->chip);
-}
-
 static int __maybe_unused stm32_pwm_lp_suspend(struct device *dev)
 {
        struct stm32_pwm_lp *priv = dev_get_drvdata(dev);
@@ -256,7 +249,6 @@ MODULE_DEVICE_TABLE(of, stm32_pwm_lp_of_match);
 
 static struct platform_driver stm32_pwm_lp_driver = {
        .probe  = stm32_pwm_lp_probe,
-       .remove = stm32_pwm_lp_remove,
        .driver = {
                .name = "stm32-pwm-lp",
                .of_match_table = of_match_ptr(stm32_pwm_lp_of_match),