pwm: fsl-ftm: 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/131f976a8f876a88e2a940f5acf6aa1d81833b89.1707900770.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c
index 5792c6ca449fd9e0426bb1b4f2a54a95b3d4da33..47f1f5ac39cf6c039d27f77c367154492c37f284 100644 (file)
--- a/drivers/pwm/pwm-fsl-ftm.c
+++ b/drivers/pwm/pwm-fsl-ftm.c
@@ -233,7 +233,7 @@ static int fsl_pwm_apply_config(struct pwm_chip *chip,
        bool do_write_period = false;
 
        if (!fsl_pwm_calculate_period(fpc, newstate->period, &periodcfg)) {
-               dev_err(chip->dev, "failed to calculate new period\n");
+               dev_err(pwmchip_parent(chip), "failed to calculate new period\n");
                return -EINVAL;
        }
 
@@ -247,7 +247,7 @@ static int fsl_pwm_apply_config(struct pwm_chip *chip,
         */
        else if (!fsl_pwm_periodcfg_are_equal(&fpc->period, &periodcfg)) {
                if (fsl_pwm_is_other_pwm_enabled(fpc, pwm)) {
-                       dev_err(chip->dev,
+                       dev_err(pwmchip_parent(chip),
                                "Cannot change period for PWM %u, disable other PWMs first\n",
                                pwm->hwpwm);
                        return -EBUSY;