diff options
Diffstat (limited to 'drivers/pwm/pwm-lpss.c')
| -rw-r--r-- | drivers/pwm/pwm-lpss.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index a6ea3ce7e0..867e2bc8c6 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -68,7 +68,7 @@ EXPORT_SYMBOL_GPL(pwm_lpss_tng_info); static inline struct pwm_lpss_chip *to_lpwm(struct pwm_chip *chip) { - return container_of(chip, struct pwm_lpss_chip, chip); + return pwmchip_get_drvdata(chip); } static inline u32 pwm_lpss_read(const struct pwm_device *pwm) @@ -106,7 +106,7 @@ static int pwm_lpss_wait_for_update(struct pwm_device *pwm) */ err = readl_poll_timeout(addr, val, !(val & PWM_SW_UPDATE), 40, ms); if (err) - dev_err(pwm->chip->dev, "PWM_SW_UPDATE was not cleared\n"); + dev_err(pwmchip_parent(pwm->chip), "PWM_SW_UPDATE was not cleared\n"); return err; } @@ -114,7 +114,7 @@ static int pwm_lpss_wait_for_update(struct pwm_device *pwm) static inline int pwm_lpss_is_updating(struct pwm_device *pwm) { if (pwm_lpss_read(pwm) & PWM_SW_UPDATE) { - dev_err(pwm->chip->dev, "PWM_SW_UPDATE is still set, skipping update\n"); + dev_err(pwmchip_parent(pwm->chip), "PWM_SW_UPDATE is still set, skipping update\n"); return -EBUSY; } @@ -190,16 +190,16 @@ static int pwm_lpss_apply(struct pwm_chip *chip, struct pwm_device *pwm, if (state->enabled) { if (!pwm_is_enabled(pwm)) { - pm_runtime_get_sync(chip->dev); + pm_runtime_get_sync(pwmchip_parent(chip)); ret = pwm_lpss_prepare_enable(lpwm, pwm, state); if (ret) - pm_runtime_put(chip->dev); + pm_runtime_put(pwmchip_parent(chip)); } else { ret = pwm_lpss_prepare_enable(lpwm, pwm, state); } } else if (pwm_is_enabled(pwm)) { pwm_lpss_write(pwm, pwm_lpss_read(pwm) & ~PWM_ENABLE); - pm_runtime_put(chip->dev); + pm_runtime_put(pwmchip_parent(chip)); } return ret; @@ -213,7 +213,7 @@ static int pwm_lpss_get_state(struct pwm_chip *chip, struct pwm_device *pwm, unsigned long long base_unit, freq, on_time_div; u32 ctrl; - pm_runtime_get_sync(chip->dev); + pm_runtime_get_sync(pwmchip_parent(chip)); base_unit_range = BIT(lpwm->info->base_unit_bits); @@ -235,7 +235,7 @@ static int pwm_lpss_get_state(struct pwm_chip *chip, struct pwm_device *pwm, state->polarity = PWM_POLARITY_NORMAL; state->enabled = !!(ctrl & PWM_ENABLE); - pm_runtime_put(chip->dev); + pm_runtime_put(pwmchip_parent(chip)); return 0; } @@ -245,10 +245,11 @@ static const struct pwm_ops pwm_lpss_ops = { .get_state = pwm_lpss_get_state, }; -struct pwm_lpss_chip *devm_pwm_lpss_probe(struct device *dev, void __iomem *base, - const struct pwm_lpss_boardinfo *info) +struct pwm_chip *devm_pwm_lpss_probe(struct device *dev, void __iomem *base, + const struct pwm_lpss_boardinfo *info) { struct pwm_lpss_chip *lpwm; + struct pwm_chip *chip; unsigned long c; int i, ret; u32 ctrl; @@ -256,9 +257,10 @@ struct pwm_lpss_chip *devm_pwm_lpss_probe(struct device *dev, void __iomem *base if (WARN_ON(info->npwm > LPSS_MAX_PWMS)) return ERR_PTR(-ENODEV); - lpwm = devm_kzalloc(dev, sizeof(*lpwm), GFP_KERNEL); - if (!lpwm) - return ERR_PTR(-ENOMEM); + chip = devm_pwmchip_alloc(dev, info->npwm, sizeof(*lpwm)); + if (IS_ERR(chip)) + return chip; + lpwm = to_lpwm(chip); lpwm->regs = base; lpwm->info = info; @@ -267,23 +269,21 @@ struct pwm_lpss_chip *devm_pwm_lpss_probe(struct device *dev, void __iomem *base if (!c) return ERR_PTR(-EINVAL); - lpwm->chip.dev = dev; - lpwm->chip.ops = &pwm_lpss_ops; - lpwm->chip.npwm = info->npwm; + chip->ops = &pwm_lpss_ops; - ret = devm_pwmchip_add(dev, &lpwm->chip); + ret = devm_pwmchip_add(dev, chip); if (ret) { dev_err(dev, "failed to add PWM chip: %d\n", ret); return ERR_PTR(ret); } for (i = 0; i < lpwm->info->npwm; i++) { - ctrl = pwm_lpss_read(&lpwm->chip.pwms[i]); + ctrl = pwm_lpss_read(&chip->pwms[i]); if (ctrl & PWM_ENABLE) pm_runtime_get(dev); } - return lpwm; + return chip; } EXPORT_SYMBOL_GPL(devm_pwm_lpss_probe); |