diff options
Diffstat (limited to 'drivers/pwm/pwm-sl28cpld.c')
| -rw-r--r-- | drivers/pwm/pwm-sl28cpld.c | 13 |
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) { |