diff --git a/drivers/pwm/pwm-twl.c b/drivers/pwm/pwm-twl.c index 7233ae039bdb..8f981ffff4b4 100644 --- a/drivers/pwm/pwm-twl.c +++ b/drivers/pwm/pwm-twl.c @@ -46,7 +46,6 @@ #define TWL6030_PWM_TOGGLE(pwm, x) ((x) << (pwm * 3)) struct twl_pwm_chip { - struct pwm_chip chip; struct mutex mutex; u8 twl6030_toggle3; u8 twl4030_pwm_mux; @@ -54,7 +53,7 @@ struct twl_pwm_chip { static inline struct twl_pwm_chip *to_twl(struct pwm_chip *chip) { - return container_of(chip, struct twl_pwm_chip, chip); + return pwmchip_get_drvdata(chip); } static int twl_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, @@ -341,23 +340,22 @@ static const struct pwm_ops twl6030_pwm_ops = { static int twl_pwm_probe(struct platform_device *pdev) { + struct pwm_chip *chip; struct twl_pwm_chip *twl; - twl = devm_kzalloc(&pdev->dev, sizeof(*twl), GFP_KERNEL); - if (!twl) - return -ENOMEM; + chip = devm_pwmchip_alloc(&pdev->dev, 2, sizeof(*twl)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + twl = to_twl(chip); if (twl_class_is_4030()) - twl->chip.ops = &twl4030_pwm_ops; + chip->ops = &twl4030_pwm_ops; else - twl->chip.ops = &twl6030_pwm_ops; - - twl->chip.dev = &pdev->dev; - twl->chip.npwm = 2; + chip->ops = &twl6030_pwm_ops; mutex_init(&twl->mutex); - return devm_pwmchip_add(&pdev->dev, &twl->chip); + return devm_pwmchip_add(&pdev->dev, chip); } #ifdef CONFIG_OF