diff options
Diffstat (limited to 'drivers/pwm/pwm-pca9685.c')
| -rw-r--r-- | drivers/pwm/pwm-pca9685.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c index d7542517fa49..e976a5ca1e7b 100644 --- a/drivers/pwm/pwm-pca9685.c +++ b/drivers/pwm/pwm-pca9685.c @@ -110,7 +110,7 @@ static bool pca9685_prescaler_can_change(struct pca9685 *pca, int channel) static int pca9685_read_reg(struct pwm_chip *chip, unsigned int reg, unsigned int *val) { struct pca9685 *pca = to_pca(chip); - struct device *dev = chip->dev; + struct device *dev = pwmchip_parent(chip); int err; err = regmap_read(pca->regmap, reg, val); @@ -123,7 +123,7 @@ static int pca9685_read_reg(struct pwm_chip *chip, unsigned int reg, unsigned in static int pca9685_write_reg(struct pwm_chip *chip, unsigned int reg, unsigned int val) { struct pca9685 *pca = to_pca(chip); - struct device *dev = chip->dev; + struct device *dev = pwmchip_parent(chip); int err; err = regmap_write(pca->regmap, reg, val); @@ -254,7 +254,7 @@ static int pca9685_pwm_gpio_request(struct gpio_chip *gpio, unsigned int offset) if (pca9685_pwm_test_and_set_inuse(pca, offset)) return -EBUSY; - pm_runtime_get_sync(chip->dev); + pm_runtime_get_sync(pwmchip_parent(chip)); return 0; } @@ -279,7 +279,7 @@ static void pca9685_pwm_gpio_free(struct gpio_chip *gpio, unsigned int offset) struct pca9685 *pca = to_pca(chip); pca9685_pwm_set_duty(chip, offset, 0); - pm_runtime_put(chip->dev); + pm_runtime_put(pwmchip_parent(chip)); pca9685_pwm_clear_inuse(pca, offset); } @@ -313,7 +313,7 @@ static int pca9685_pwm_gpio_direction_output(struct gpio_chip *gpio, static int pca9685_pwm_gpio_probe(struct pwm_chip *chip) { struct pca9685 *pca = to_pca(chip); - struct device *dev = chip->dev; + struct device *dev = pwmchip_parent(chip); pca->gpio.label = dev_name(dev); pca->gpio.parent = dev; @@ -350,7 +350,7 @@ static inline int pca9685_pwm_gpio_probe(struct pwm_chip *chip) static void pca9685_set_sleep_mode(struct pwm_chip *chip, bool enable) { - struct device *dev = chip->dev; + struct device *dev = pwmchip_parent(chip); struct pca9685 *pca = to_pca(chip); int err = regmap_update_bits(pca->regmap, PCA9685_MODE1, MODE1_SLEEP, enable ? MODE1_SLEEP : 0); @@ -379,7 +379,7 @@ static int __pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, prescale = DIV_ROUND_CLOSEST_ULL(PCA9685_OSC_CLOCK_MHZ * state->period, PCA9685_COUNTER_RANGE * 1000) - 1; if (prescale < PCA9685_PRESCALE_MIN || prescale > PCA9685_PRESCALE_MAX) { - dev_err(chip->dev, "pwm not changed: period out of bounds!\n"); + dev_err(pwmchip_parent(chip), "pwm not changed: period out of bounds!\n"); return -EINVAL; } @@ -391,7 +391,7 @@ static int __pca9685_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, pca9685_read_reg(chip, PCA9685_PRESCALE, &val); if (prescale != val) { if (!pca9685_prescaler_can_change(pca, pwm->hwpwm)) { - dev_err(chip->dev, + dev_err(pwmchip_parent(chip), "pwm not changed: periods of enabled pwms must match!\n"); return -EBUSY; } @@ -487,7 +487,7 @@ static int pca9685_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) mutex_unlock(&pca->lock); } - pm_runtime_get_sync(chip->dev); + pm_runtime_get_sync(pwmchip_parent(chip)); return 0; } @@ -501,7 +501,7 @@ static void pca9685_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) clear_bit(pwm->hwpwm, pca->pwms_enabled); mutex_unlock(&pca->lock); - pm_runtime_put(chip->dev); + pm_runtime_put(pwmchip_parent(chip)); pca9685_pwm_clear_inuse(pca, pwm->hwpwm); } |