diff options
Diffstat (limited to 'drivers/pwm/pwm-lpss.c')
| -rw-r--r-- | drivers/pwm/pwm-lpss.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index accdef5dd58e..23fe332b2394 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -205,8 +205,8 @@ static int pwm_lpss_apply(struct pwm_chip *chip, struct pwm_device *pwm, return ret; } -static void pwm_lpss_get_state(struct pwm_chip *chip, struct pwm_device *pwm, - struct pwm_state *state) +static int pwm_lpss_get_state(struct pwm_chip *chip, struct pwm_device *pwm, + struct pwm_state *state) { struct pwm_lpss_chip *lpwm = to_lpwm(chip); unsigned long base_unit_range; @@ -236,6 +236,8 @@ static void pwm_lpss_get_state(struct pwm_chip *chip, struct pwm_device *pwm, state->enabled = !!(ctrl & PWM_ENABLE); pm_runtime_put(chip->dev); + + return 0; } static const struct pwm_ops pwm_lpss_ops = { @@ -244,15 +246,15 @@ static const struct pwm_ops pwm_lpss_ops = { .owner = THIS_MODULE, }; -struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, void __iomem *base, - const struct pwm_lpss_boardinfo *info) +struct pwm_lpss_chip *devm_pwm_lpss_probe(struct device *dev, void __iomem *base, + const struct pwm_lpss_boardinfo *info) { struct pwm_lpss_chip *lpwm; unsigned long c; int i, ret; u32 ctrl; - if (WARN_ON(info->npwm > MAX_PWMS)) + if (WARN_ON(info->npwm > LPSS_MAX_PWMS)) return ERR_PTR(-ENODEV); lpwm = devm_kzalloc(dev, sizeof(*lpwm), GFP_KERNEL); @@ -284,7 +286,7 @@ struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, void __iomem *base, return lpwm; } -EXPORT_SYMBOL_GPL(pwm_lpss_probe); +EXPORT_SYMBOL_GPL(devm_pwm_lpss_probe); MODULE_DESCRIPTION("PWM driver for Intel LPSS"); MODULE_AUTHOR("Mika Westerberg <[email protected]>"); |