pwm: atmel-tcb: 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/463d43cab01f97f3c4247c63cc08e76aa15684c4.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index d42c897..80121ab 100644 (file)
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -327,7 +327,7 @@ static int atmel_tcb_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
        if ((atcbpwm && atcbpwm->duty > 0 &&
                        atcbpwm->duty != atcbpwm->period) &&
                (atcbpwm->div != i || atcbpwm->period != period)) {
-               dev_err(chip->dev,
+               dev_err(pwmchip_parent(chip),
                        "failed to configure period_ns: PWM group already configured with a different value\n");
                return -EINVAL;
        }