diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c
index 35675e4058c6..a39411b87e19 100644
--- a/drivers/pwm/pwm-lp3943.c
+++ b/drivers/pwm/pwm-lp3943.c
@@ -24,9 +24,9 @@ struct lp3943_pwm {
 	struct lp3943_platform_data *pdata;
 };
 
-static inline struct lp3943_pwm *to_lp3943_pwm(struct pwm_chip *_chip)
+static inline struct lp3943_pwm *to_lp3943_pwm(struct pwm_chip *chip)
 {
-	return container_of(_chip, struct lp3943_pwm, chip);
+	return container_of(chip, struct lp3943_pwm, chip);
 }
 
 static struct lp3943_pwm_map *