@@ -35,13 +35,12 @@ static inline struct jz4740_pwm_chip *to_jz4740(struct pwm_chip *chip)
return container_of(chip, struct jz4740_pwm_chip, chip);
}
-static bool jz4740_pwm_can_use_chn(struct jz4740_pwm_chip *jz,
- unsigned int channel)
+static bool jz4740_pwm_can_use_chn(struct pwm_chip *chip, unsigned int channel)
{
/* Enable all TCU channels for PWM use by default except channels 0/1 */
- u32 pwm_channels_mask = GENMASK(jz->chip.npwm - 1, 2);
+ u32 pwm_channels_mask = GENMASK(chip->npwm - 1, 2);
- device_property_read_u32(jz->chip.dev->parent,
+ device_property_read_u32(pwmchip_parent(chip)->parent,
"ingenic,pwm-channels-mask",
&pwm_channels_mask);
@@ -55,14 +54,15 @@ static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
char name[16];
int err;
- if (!jz4740_pwm_can_use_chn(jz, pwm->hwpwm))
+ if (!jz4740_pwm_can_use_chn(chip, pwm->hwpwm))
return -EBUSY;
snprintf(name, sizeof(name), "timer%u", pwm->hwpwm);
- clk = clk_get(chip->dev, name);
+ clk = clk_get(pwmchip_parent(chip), name);
if (IS_ERR(clk)) {
- dev_err(chip->dev, "error %pe: Failed to get clock\n", clk);
+ dev_err(pwmchip_parent(chip),
+ "error %pe: Failed to get clock\n", clk);
return PTR_ERR(clk);
}
@@ -150,7 +150,7 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
*/
rate = clk_round_rate(clk, tmp);
if (rate < 0) {
- dev_err(chip->dev, "Unable to round rate: %ld\n", rate);
+ dev_err(pwmchip_parent(chip), "Unable to round rate: %ld\n", rate);
return rate;
}
@@ -171,7 +171,7 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
err = clk_set_rate(clk, rate);
if (err) {
- dev_err(chip->dev, "Unable to set rate: %d\n", err);
+ dev_err(pwmchip_parent(chip), "Unable to set rate: %d\n", err);
return err;
}