diff options
Diffstat (limited to 'drivers/pwm/pwm-sl28cpld.c')
| -rw-r--r-- | drivers/pwm/pwm-sl28cpld.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/pwm/pwm-sl28cpld.c b/drivers/pwm/pwm-sl28cpld.c index 5046b6b7fd35..0b01ec25e2f0 100644 --- a/drivers/pwm/pwm-sl28cpld.c +++ b/drivers/pwm/pwm-sl28cpld.c @@ -84,12 +84,14 @@ struct sl28cpld_pwm { struct regmap *regmap; u32 offset; }; +#define sl28cpld_pwm_from_chip(_chip) \ + container_of(_chip, struct sl28cpld_pwm, pwm_chip) static void sl28cpld_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state) { - struct sl28cpld_pwm *priv = dev_get_drvdata(chip->dev); + struct sl28cpld_pwm *priv = sl28cpld_pwm_from_chip(chip); unsigned int reg; int prescaler; @@ -118,7 +120,7 @@ static void sl28cpld_pwm_get_state(struct pwm_chip *chip, static int sl28cpld_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, const struct pwm_state *state) { - struct sl28cpld_pwm *priv = dev_get_drvdata(chip->dev); + struct sl28cpld_pwm *priv = sl28cpld_pwm_from_chip(chip); unsigned int cycle, prescaler; bool write_duty_cycle_first; int ret; @@ -230,6 +232,8 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev) chip->base = -1; chip->npwm = 1; + platform_set_drvdata(pdev, priv); + ret = pwmchip_add(&priv->pwm_chip); if (ret) { dev_err(&pdev->dev, "failed to add PWM chip (%pe)", @@ -237,8 +241,6 @@ static int sl28cpld_pwm_probe(struct platform_device *pdev) return ret; } - platform_set_drvdata(pdev, priv); - return 0; } |