diff options
Diffstat (limited to 'drivers/pwm/pwm-pca9685.c')
| -rw-r--r-- | drivers/pwm/pwm-pca9685.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/pwm/pwm-pca9685.c b/drivers/pwm/pwm-pca9685.c index e976a5ca1e7b..c5da2a6ed846 100644 --- a/drivers/pwm/pwm-pca9685.c +++ b/drivers/pwm/pwm-pca9685.c @@ -76,7 +76,6 @@ #define REG_OFF_L(C) ((C) >= PCA9685_MAXCHAN ? PCA9685_ALL_LED_OFF_L : LED_N_OFF_L((C))) struct pca9685 { - struct pwm_chip chip; struct regmap *regmap; struct mutex lock; DECLARE_BITMAP(pwms_enabled, PCA9685_MAXCHAN + 1); @@ -88,7 +87,7 @@ struct pca9685 { static inline struct pca9685 *to_pca(struct pwm_chip *chip) { - return container_of(chip, struct pca9685, chip); + return pwmchip_get_drvdata(chip); } /* This function is supposed to be called with the lock mutex held */ @@ -526,9 +525,11 @@ static int pca9685_pwm_probe(struct i2c_client *client) unsigned int reg; int ret; - pca = devm_kzalloc(&client->dev, sizeof(*pca), GFP_KERNEL); - if (!pca) - return -ENOMEM; + /* Add an extra channel for ALL_LED */ + chip = devm_pwmchip_alloc(&client->dev, PCA9685_MAXCHAN + 1, sizeof(*pca)); + if (IS_ERR(chip)) + return PTR_ERR(chip); + pca = to_pca(chip); pca->regmap = devm_regmap_init_i2c(client, &pca9685_regmap_i2c_config); if (IS_ERR(pca->regmap)) { @@ -537,7 +538,6 @@ static int pca9685_pwm_probe(struct i2c_client *client) ret); return ret; } - chip = &pca->chip; i2c_set_clientdata(client, chip); @@ -573,10 +573,6 @@ static int pca9685_pwm_probe(struct i2c_client *client) pca9685_write_reg(chip, PCA9685_ALL_LED_ON_H, LED_FULL); chip->ops = &pca9685_pwm_ops; - /* Add an extra channel for ALL_LED */ - chip->npwm = PCA9685_MAXCHAN + 1; - - chip->dev = &client->dev; ret = pwmchip_add(chip); if (ret < 0) |