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pwm: stm32-lp: Make use of pwmchip_parent() accessor
struct pwm_chip::dev is about to change. To not have to touch this driver in the same commit as struct pwm_chip::dev, use the accessor function provided for exactly this purpose. Link: https://lore.kernel.org/r/d79148ed49389c657b72df05758032be2b516ceb.1707900770.git.u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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parent
8f5e2dcbe2
commit
0e89637a4f
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@ -61,7 +61,7 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm,
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do_div(div, NSEC_PER_SEC);
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if (!div) {
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/* Clock is too slow to achieve requested period. */
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dev_dbg(chip->dev, "Can't reach %llu ns\n", state->period);
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dev_dbg(pwmchip_parent(chip), "Can't reach %llu ns\n", state->period);
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return -EINVAL;
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}
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@ -69,7 +69,7 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm,
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while (div > STM32_LPTIM_MAX_ARR) {
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presc++;
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if ((1 << presc) > STM32_LPTIM_MAX_PRESCALER) {
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dev_err(chip->dev, "max prescaler exceeded\n");
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dev_err(pwmchip_parent(chip), "max prescaler exceeded\n");
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return -EINVAL;
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}
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div = prd >> presc;
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@ -130,7 +130,7 @@ static int stm32_pwm_lp_apply(struct pwm_chip *chip, struct pwm_device *pwm,
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(val & STM32_LPTIM_CMPOK_ARROK) == STM32_LPTIM_CMPOK_ARROK,
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100, 1000);
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if (ret) {
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dev_err(chip->dev, "ARR/CMP registers write issue\n");
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dev_err(pwmchip_parent(chip), "ARR/CMP registers write issue\n");
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goto err;
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}
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ret = regmap_write(priv->regmap, STM32_LPTIM_ICR,
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