diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index 5e674a7bbf3b..a94b1e387b92 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -391,7 +391,7 @@ static void ehrpwm_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip);
 
-	/* set period value to zero on free */
+	/* Don't let a pwm without consumer block requests to the other channel */
 	pc->period_cycles[pwm->hwpwm] = 0;
 }