1 files changed, 10 insertions, 11 deletions

diff --git a/drivers/pwm/pwm-visconti.c b/drivers/pwm/pwm-visconti.c
index e3fb79b3e2a7..28fae4979e3f 100644
--- a/drivers/pwm/pwm-visconti.c
+++ b/drivers/pwm/pwm-visconti.c
@@ -21,7 +21,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/pwm.h>
 
@@ -34,13 +34,12 @@
 #define PIPGM_PWMC_POLARITY_MASK	GENMASK(5, 5)
 
 struct visconti_pwm_chip {
-	struct pwm_chip chip;
 	void __iomem *base;
 };
 
 static inline struct visconti_pwm_chip *visconti_pwm_from_chip(struct pwm_chip *chip)
 {
-	return container_of(chip, struct visconti_pwm_chip, chip);
+	return pwmchip_get_drvdata(chip);
 }
 
 static int visconti_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
@@ -129,28 +128,27 @@ static int visconti_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 static const struct pwm_ops visconti_pwm_ops = {
 	.apply = visconti_pwm_apply,
 	.get_state = visconti_pwm_get_state,
-	.owner = THIS_MODULE,
 };
 
 static int visconti_pwm_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
+	struct pwm_chip *chip;
 	struct visconti_pwm_chip *priv;
 	int ret;
 
-	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
+	chip = devm_pwmchip_alloc(dev, 4, sizeof(*priv));
+	if (IS_ERR(chip))
+		return PTR_ERR(chip);
+	priv = visconti_pwm_from_chip(chip);
 
 	priv->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-	priv->chip.dev = dev;
-	priv->chip.ops = &visconti_pwm_ops;
-	priv->chip.npwm = 4;
+	chip->ops = &visconti_pwm_ops;
 
-	ret = devm_pwmchip_add(&pdev->dev, &priv->chip);
+	ret = devm_pwmchip_add(&pdev->dev, chip);
 	if (ret < 0)
 		return dev_err_probe(&pdev->dev, ret, "Cannot register visconti PWM\n");
 
@@ -172,6 +170,7 @@ static struct platform_driver visconti_pwm_driver = {
 };
 module_platform_driver(visconti_pwm_driver);
 
+MODULE_DESCRIPTION("Toshiba Visconti Pulse Width Modulator driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>");
 MODULE_ALIAS("platform:pwm-visconti");