pwm: fsl-ftm: 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>

drivers/pwm/pwm-fsl-ftm.c

@@ -453,7 +453,7 @@ static int fsl_pwm_probe(struct platform_device *pdev)
 	fpc->chip.ops = &fsl_pwm_ops;
 	fpc->chip.npwm = 8;
 
-	ret = pwmchip_add(&fpc->chip);
+	ret = devm_pwmchip_add(&pdev->dev, &fpc->chip);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to add PWM chip: %d\n", ret);
 		return ret;
@@ -464,13 +464,6 @@ static int fsl_pwm_probe(struct platform_device *pdev)
 	return fsl_pwm_init(fpc);
 }
 
-static int fsl_pwm_remove(struct platform_device *pdev)
-{
-	struct fsl_pwm_chip *fpc = platform_get_drvdata(pdev);
-
-	return pwmchip_remove(&fpc->chip);
-}
-
 #ifdef CONFIG_PM_SLEEP
 static int fsl_pwm_suspend(struct device *dev)
 {
@@ -552,7 +545,6 @@ static struct platform_driver fsl_pwm_driver = {
 		.pm = &fsl_pwm_pm_ops,
 	},
 	.probe = fsl_pwm_probe,
-	.remove = fsl_pwm_remove,
 };
 module_platform_driver(fsl_pwm_driver);