pwm: ep93xx: Simplify using devm_pwmchip_add()

This allows to drop the platform_driver's remove function. This is the
only user of driver data so this can go away, too.

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-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
index fc3cb7d..c45a75e 100644 (file)
--- a/drivers/pwm/pwm-ep93xx.c
+++ b/drivers/pwm/pwm-ep93xx.c
@@ -183,27 +183,18 @@ static int ep93xx_pwm_probe(struct platform_device *pdev)
        ep93xx_pwm->chip.ops = &ep93xx_pwm_ops;
        ep93xx_pwm->chip.npwm = 1;
 
-       ret = pwmchip_add(&ep93xx_pwm->chip);
+       ret = devm_pwmchip_add(&pdev->dev, &ep93xx_pwm->chip);
        if (ret < 0)
                return ret;
 
-       platform_set_drvdata(pdev, ep93xx_pwm);
        return 0;
 }
 
-static int ep93xx_pwm_remove(struct platform_device *pdev)
-{
-       struct ep93xx_pwm *ep93xx_pwm = platform_get_drvdata(pdev);
-
-       return pwmchip_remove(&ep93xx_pwm->chip);
-}
-
 static struct platform_driver ep93xx_pwm_driver = {
        .driver = {
                .name = "ep93xx-pwm",
        },
        .probe = ep93xx_pwm_probe,
-       .remove = ep93xx_pwm_remove,
 };
 module_platform_driver(ep93xx_pwm_driver);