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path: root/drivers/pwm/pwm-sl28cpld.c
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Diffstat (limited to 'drivers/pwm/pwm-sl28cpld.c')
-rw-r--r--drivers/pwm/pwm-sl28cpld.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/pwm/pwm-sl28cpld.c b/drivers/pwm/pwm-sl28cpld.c
index 88b01ff9e4..934378d6a0 100644
--- a/drivers/pwm/pwm-sl28cpld.c
+++ b/drivers/pwm/pwm-sl28cpld.c
@@ -81,14 +81,13 @@
regmap_write((priv)->regmap, (priv)->offset + (reg), (val))
struct sl28cpld_pwm {
- struct pwm_chip chip;
struct regmap *regmap;
u32 offset;
};
static inline struct sl28cpld_pwm *sl28cpld_pwm_from_chip(struct pwm_chip *chip)
{
- return container_of(chip, struct sl28cpld_pwm, chip);
+ return pwmchip_get_drvdata(chip);
}
static int sl28cpld_pwm_get_state(struct pwm_chip *chip,
@@ -213,9 +212,10 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev)
return -ENODEV;
}
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*priv));
+ if (IS_ERR(chip))
+ return PTR_ERR(chip);
+ priv = sl28cpld_pwm_from_chip(chip);
priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
if (!priv->regmap) {
@@ -231,10 +231,7 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev)
}
/* Initialize the pwm_chip structure */
- chip = &priv->chip;
- chip->dev = &pdev->dev;
chip->ops = &sl28cpld_pwm_ops;
- chip->npwm = 1;
ret = devm_pwmchip_add(&pdev->dev, chip);
if (ret) {